Stem cell sorting device
By improving the clamping device and locking mechanism, the problem of poor adaptability of existing stem cell sorting devices to test tubes of different sizes has been solved, achieving stable clamping and accurate cell sorting, thus ensuring the safety and accuracy of the experiment.
Patent Information
- Application Number
- CN202423213441.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing stem cell sorting devices cannot adapt to test tubes of different sizes, resulting in unstable clamping, which can easily cause test tubes to shake, fall off, break, and lose samples, affecting the accuracy and safety of experiments.
The clamping device employs a coordinated arrangement of a mounting base, clamping motor, lead screw, movable seat, and transmission wheel, combined with a sliding rod guide and a buffer structure of push spring and rubber block. Through precise protective devices and locking mechanisms, it achieves uniform clamping of the test tube and stable force adjustment, ensuring that the clamping force remains constant during high-speed centrifugation.
It effectively solves the problem of poor clamping adaptability for test tubes of different sizes, avoids test tube breakage and sample loss, and ensures the accuracy and reliability of cell sorting experiments.
Smart Images
Figure CN223688328U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stem cell sorting technical field, more specifically, it relates to stem cell sorting device. BACKGROUND
[0002] In the field of stem cell research, the existing cell sorting device has many technical defects in the actual application process, which seriously affects the accuracy and safety of sorting, mainly embodied in the following aspects:
[0003] Firstly, among many cell sorting methods, centrifugal separation method is widely used due to its simple operation and low cost, which mainly relies on centrifugal force to separate cells according to physical properties such as size and density, and needs to fix the test tube containing stem cell tissue in a special clamp, however, due to the diversity of experimental requirements, there are significant differences in size and diameter among test tubes of different capacities, and the existing clamp generally has poor adaptability, this fixed specification clamping device cannot meet the stable fixing demand of test tubes of different diameters, which is easy to cause the test tube to shake or fall off in the process of high-speed centrifugation, not only affecting the accuracy of experimental results, but also causing loss and safety hazard of valuable samples.
[0004] Secondly, in view of the above problems, some improved equipment adopts an automatic clamping scheme of motor driven screw rod, trying to realize flexible clamping of test tubes of different specifications through mechanical driving, however, this design exposes serious control precision problem in actual application, especially after the test tube is clamped and fixed, if the operator fails to turn off the motor in time, the continuous clamping force may cause the test tube to break, more importantly, this kind of equipment generally lacks clamping force adjusting mechanism, which cannot adjust according to the pressure bearing capacity of test tubes of different materials, this "one size fits all" clamping method is easy to cause test tube damage and sample pollution, seriously affecting the reliability and safety of experiment.
[0005] More tricky is that although some improved equipment with protection mechanism and force adjusting function appears in the market, trying to solve the problem of test tube breakage and clamping force adjustment, but the structure design of these equipment is too simple and rough, especially in the actual use process, due to the vibration and impact generated by high-speed rotation of the motor, the pre-set clamping force is easy to deviate, this force drift phenomenon not only affects the stability of clamping, but also may suddenly change the clamping force in the process of centrifugation, which has unpredictable influence on the precise cell sorting experiment, in addition, this unstable clamping force may also cause the test tube to move slightly in high-speed rotation, affecting the accuracy of centrifugal separation, and even causing damage to the sample. UTILITY MODEL CONTENTS
[0006] (I) technical problems solved
[0007] In view of the problems in the prior art, the stem cell sorting device is provided to solve the technical problems mentioned in the background art.
[0008] (ii) Technical solutions
[0009] To achieve the above object, the utility model provides the following technical scheme: stem cell sorting device, including base, its characterized in be: base inner side is provided with clamping device, the clamping device includes mounting seat, clamping motor, screw, movable seat and transmission wheel, movable seat with screw is connected through the thread and is active, the both ends of screw symmetry are provided with opposite thread, clamping motor is installed in mounting seat one side, transmission wheel rotation is installed in mounting seat inner side, and one of transmission wheel with screw is fixedly connected, two transmission wheels are engaged with each other, screw rotation is installed in mounting seat, the output end of clamping motor is connected with protection device, the protection device includes connecting sleeve, adjusting sleeve, connecting rod, slot, block, adaptation slot, adaptation sleeve and adaptation block, connecting sleeve is connected in clamping motor output end, adjusting sleeve rotation is set in connecting sleeve one end, connecting rod is connected in one transmission wheel one side, slot is set up in connecting rod outside, block is engaged in slot, adaptation slot is set up in adjusting sleeve inner wall in spiral, adaptation sleeve is movably arranged in adjusting sleeve, adaptation block is fixedly connected in adaptation sleeve outside, and adaptation block is slidably arranged in adaptation slot, locking mechanism is set up in connecting sleeve outside, the locking mechanism includes movable block, movable spring, fixed block, movable rod, fixed sleeve, movable plate and movable hole, movable block is fixedly connected in movable plate one side, movable spring both ends are connected with movable block and fixed block respectively, fixed block is fixedly connected in connecting sleeve outside, movable rod is fixedly connected in fixed sleeve one side, movable plate rotation is set in connecting sleeve outside, movable hole is set up in movable plate.
[0010] The utility model further sets up, connecting sleeve inner side is set up with cooperation groove, cooperation groove is slidably equipped with cooperation block, cooperation block one side is connected with spring and is equipped with block, cooperation block is movably connected with block through spring.
[0011] The utility model further sets up, cooperation block one side is connected with sliding block, and adaptation sleeve one end is set up with sliding slot, and sliding slot is slidably arranged in sliding slot.
[0012] The utility model further sets up, a plurality of fixed rods are slidably arranged on the side wall of the adjusting sleeve, a plurality of fixed slots are formed on the outer side of the connecting sleeve, a connecting spring is arranged on the outer side of the adjusting sleeve, one end of the fixed rod is connected to the outer wall of the adjusting sleeve through the connecting spring, the other end of the fixed rod is inserted into the fixed slot, a reset spring is movably sleeved on the outer side of the movable rod, and one end of the reset spring is in contact with the movable plate.
[0013] The utility model further provides for, the connecting sleeve outside fixedly equipped with slide rail, the fixed sleeve inside correspondingly equipped with slide groove, the slide groove with slide rail adaptation, slide rail and slide groove have realized the spacing and orientation of fixed sleeve.
[0014] The utility model further provides for, the mounting seat detachable equipped with slide rod, the movable seat with slide rod slidingly connected, the setting of slide rod has ensured the stable movement of movable seat.
[0015] The utility model further provides for, the movable seat one side is equipped with the push spring, the push spring other end is equipped with the push plate, the push plate other side installs and is equipped with the rubber block, the setting of above-mentioned parts has effectively ensured the stability and the adhesion of clamping degree.
[0016] The utility model further provides for, the base inside is equipped with the rotary table, the rotary table bottom end is equipped with the rotating shaft, the rotary table is installed through the rotating shaft in the base inside, the rotating shaft outside fixedly equipped with worm gear, the base inside detachable is equipped with the rotary motor, the rotary motor output end is equipped with the worm, above-mentioned parts mainly realize the high speed rotation of equipment to realize centrifugal sorting like this.
[0017] (Three) beneficial effects
[0018] Compared with the prior art, the utility model provides stem cell sorting device, has the following beneficial effects:
[0019] 1, clamping device passes through the collaborative cooperation of mounting seat, clamping motor, lead screw, movable seat and transmission wheel, combines the guiding effect of slide rod and the buffer structure of push spring, push plate, rubber block, effectively solved the problem that the prior art cannot adapt to different specifications test tube, wherein, the opposite screw thread design of lead screw two ends, the synchronous movement of cooperation movable seat, realized the uniform clamping of test tube, the deformable design of rubber block enhanced the adhesion of with test tube outer wall, ensured the stability of clamping, completely overcome the poor adaptability of traditional fixed specification fixture defect.
[0020] 2, through the precise cooperation of the protective device of setting, wherein connecting sleeve, adjusting sleeve, connecting rod, clamping groove, clamping block, adaptation slot, adaptation sleeve and adaptation block, formed reliable protection system, when clamping force reaches the preset value, through the disengagement mechanism of clamping block and clamping groove, realized the idling of clamping motor, simultaneously cooperate block, spring and sliding block linkage structure, make the adjustment of clamping force more accurate and controllable, effectively solved the problem that the prior art is easy to clamp the test tube and explode, avoid sample loss and security risks.
[0021] 3. The innovative locking mechanism comprises a movable block, a movable spring, a fixed block, a movable rod, a fixed sleeve, a movable plate and a movable hole, cooperates with the fixed rod, the connecting spring and the fixed groove, forms a stable force maintaining system, through the positioning cooperation of the movable plate and the movable rod, combines the guiding effect of the slide rail and the slide groove, ensures that the adjusted clamping force will not be deviated due to equipment vibration, completely solves the problem that the preset clamping force is easy to change in the prior art, especially in the high-speed centrifugal process, the multiple locking mechanism can always maintain stable clamping force, ensures the accuracy and reliability of cell sorting experiment. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the overall structure schematic diagram of the stem cell sorting device in the utility model;
[0023] Figure 2 It is the overall structure schematic diagram of the stem cell sorting device in the utility model; Figure 1 It is the partial enlarged structure schematic diagram of A in the utility model;
[0024] Figure 3 It is the sectional structure schematic diagram in the utility model;
[0025] Figure 4 It is the sectional structure schematic diagram of the mounting seat and the movable seat part in the utility model;
[0026] Figure 5 It is the structure schematic diagram of the connecting sleeve and the connecting rod part in the utility model;
[0027] Figure 6 It is the partial enlarged structure schematic diagram of B in the utility model; Figure 5
[0028] It is the sectional structure schematic diagram of the connecting sleeve and the connecting rod part in the utility model; Figure 7
[0029] It is the partial enlarged structure schematic diagram of C in the utility model; Figure 8 Figure 7
[0030] Figure 9 It is the sectional structure schematic diagram of the adjusting sleeve and the adapting sleeve part in the utility model.
[0031] In the figure: 1, base; 2, mounting seat; 3, clamping motor; 4, screw; 5, movable seat; 6, transmission wheel; 7, connecting sleeve; 8, adjusting sleeve; 9, connecting rod; 10, clamping groove; 11, clamping block; 12, adapting groove; 13, adapting sleeve; 14, adapting block; 15, movable block; 16, movable spring; 17, fixed block; 18, movable rod; 19, fixed sleeve; 20, movable plate; 21, movable hole; 22, matching groove; 23, matching block; 24, spring; 25, sliding block; 26, sliding groove; 27, fixed rod; 28, fixed groove; 29, connecting spring; 30, reset spring; 31, slide rail; 32, slide groove; 33, slide rod; 34, push spring; 35, push plate; 36, rubber block; 37, rotary table; 38, rotary shaft; 39, worm wheel; 40, rotary motor; 41, worm. DETAILED DESCRIPTION
[0032] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.
[0033] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0034] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0035] Please refer to Figures 1-9The utility model discloses a stem cell sorting device, including base 1, its characterized in that: the inside of base 1 is provided with clamping device, and clamping device includes mounting seat 2, clamping motor 3, screw 4, movable seat 5 and transmission wheel 6, movable seat 5 is connected with screw 4 through the thread and moves, and the both ends of screw 4 are provided with opposite threads symmetrically, and clamping motor 3 is installed on one side of mounting seat 2, and transmission wheel 6 is rotatably installed in the inside of mounting seat 2, and one transmission wheel 6 is fixedly connected with screw 4, and two transmission wheels 6 are engaged with each other, and screw 4 is rotatably installed on mounting seat 2, and the output end of clamping motor 3 is connected with protection device, and protection device includes connecting sleeve 7, adjusting sleeve 8, connecting rod 9, clamping groove 10, clamping block 11, adaptive groove 12, adaptive sleeve 13 and adaptive block 14, connecting sleeve 7 is connected in the output end of clamping motor 3, adjusting sleeve 8 is rotatably sleeved in one end of connecting sleeve 7, connecting rod 9 is connected on one side of one transmission wheel 6, clamping groove 10 is opened in the outside of connecting rod 9, clamping block 11 is clamped in clamping groove 10, adaptive groove 12 is spirally opened in the inner wall of adjusting sleeve 8, adaptive sleeve 13 is movably arranged in adjusting sleeve 8, adaptive block 14 is fixedly connected on the outside of adaptive sleeve 13, and adaptive block 14 is slidably arranged in adaptive groove 12, and the outside of connecting sleeve 7 is provided with locking mechanism, and locking mechanism includes movable block 15, movable spring 16, fixed block 17, movable rod 18, fixed sleeve 19, movable plate 20 and movable hole 21, movable block 15 is fixedly connected on one side of movable plate 20, movable spring 16 is connected with movable block 15 and fixed block 17 respectively, fixed block 17 is fixedly connected on the outside of connecting sleeve 7, movable rod 18 is fixedly connected on one side of fixed sleeve 19, movable plate 20 is rotatably sleeved on the outside of connecting sleeve 7, and movable hole 21 is opened on movable plate 20.
[0036] Cooperating groove 22 is opened in the inside of connecting sleeve 7, and cooperating block 23 is slidably arranged in cooperating groove 22, spring 24 is connected on one side of cooperating block 23, and cooperating block 23 is movably connected with clamping block 11 through spring 24.
[0037] Sliding block 25 is connected on one side of cooperating block 23, and sliding groove 26 is opened in one end of adaptive sleeve 13, and sliding groove 26 is slidably arranged in sliding groove 26.
[0038] A plurality of fixed rods 27 are slidably arranged on the side wall of adjusting sleeve 8, a plurality of fixed grooves 28 are opened on the outside of connecting sleeve 7, connecting spring 29 is arranged on the outside of adjusting sleeve 8, one end of fixed rod 27 is connected with the outer wall of adjusting sleeve 8 through connecting spring 29, the other end of fixed rod 27 is inserted into fixed groove 28, reset spring 30 is movably sleeved on the outside of movable rod 18, and one end of reset spring 30 is in contact with movable plate 20.
[0039] Slide rail 31 is fixedly arranged on the outside of connecting sleeve 7, and sliding groove 32 is opened on the inside of fixed sleeve 19 correspondingly, and sliding groove 32 is matched with slide rail 31.
[0040] In the embodiment, when the preset clamping force needs to be adjusted, first, the movable block 15 is turned, the movable block 15 is matched with the fixed block 17 to press the movable spring 16, and the movable block 15 drives the movable hole 21 to rotate through the movable plate 20, when the movable spring 16 is pressed to the limit, the movable hole 21 moves to the position concentric with the movable rod 18, then the fixed sleeve 19 is pushed, the fixed sleeve 19 drives the movable rod 18 to slide along the slide rail 31 and the slide groove 32, and the movable rod 18 penetrates into the movable hole 21, at the same time, the fixed sleeve 19 is matched with the movable plate 20 to press the reset spring 30, then the inner wall of the fixed sleeve 19 no longer limits the fixed rod 27, then the adjusting sleeve 8 is rotated, the adjusting sleeve 8 drives the plurality of fixed rods 27 slidingly arranged on the side wall to move synchronously, then the fixed groove 28 inner wall presses the one end of the fixed rod 27, due to the round corner treatment at the edge of the fixed groove 28 and the round corner structure of the end of the fixed rod 27, then the one end of the fixed rod 27 slides out of the fixed groove 28, and the other end of the fixed rod 27 drives the connecting spring 29 to stretch, at the same time, the adjusting sleeve 8 drives the adaptive groove 12 opened in the inner wall to rotate, due to the spiral structure design of the adaptive groove 12, the sliding block 25 and the sliding groove 26 match to limit the adaptive sleeve 13, then the adaptive block 14 drives the adaptive sleeve 13 to slide, then the adaptive sleeve 13 pushes the matched block 23 to slide along the matched groove 22, due to the special inclined structure matching of the matched groove 22 and the matched block 23, then the matched block 23 is gathered inward while sliding along the matched groove 22, and the matched block 23 drives the sliding block 25 to slide along the sliding groove 26, then the matched block 23 is matched with the clamping block 11 to press the spring 24, so that the pre-tightening force of the clamping block 11 changes, so that the clamping block 11 needs to receive greater force to separate from the clamping groove 10, after adjusting, stop rotating the adjusting sleeve 8, and make the connecting spring 29 drive the fixed rod 27 to slide and reset, so that the other end of the fixed rod 27 is inserted into the corresponding fixed groove 28, then the fixed sleeve 19 is loosened, the reset spring 30 pushes the fixed sleeve 19 to slide and reset along the slide rail 31 and the slide groove 32, and the fixed sleeve 19 drives the movable rod 18 to slide and reset, when the reset spring 30 is completely reset, the movable rod 18 is no longer inserted into the movable hole 21, then the movable spring 16 pushes the movable block 15 to reset, then the movable block 15 drives the movable hole 21 to reset through the movable plate 20, and moves to the position not corresponding to the movable rod 18, then the movable rod 18 and the movable plate 20 match to support the fixed sleeve 19, match the slide rail 31 and the slide groove 32 to limit the fixed sleeve 19, so that the fixed sleeve 19 cannot move, then the inner wall of the fixed sleeve 19 limits the outer end of the fixed rod 27, so that the fixed rod 27 cannot move, then the fixed rod 27 and the fixed groove 28 match to limit the adjusting sleeve 8, so that the adjusting sleeve 8 cannot rotate, thereby ensuring the stability effect of the adjusted structure, and further ensuring the stable operation of the equipment.
[0041] Please refer toFigures 1-7 As a further embodiment of the device as a whole: the mounting seat 2 is detachably provided with a sliding rod 33, and the movable seat 5 is in sliding connection with the sliding rod 33.
[0042] The movable seat 5 is connected on one side with a push spring 34, the other end of the push spring 34 is connected with a push plate 35, and the other side of the push plate 35 is provided with a rubber block 36.
[0043] The inside of the base 1 is provided with a rotating table 37, the bottom end of the rotating table 37 is connected with a rotating shaft 38, the rotating table 37 is rotatably installed on the inside of the base 1 through the rotating shaft 38, the outside of the rotating shaft 38 is fixedly provided with a worm gear 39, and the inside of the base 1 is detachably provided with a rotating motor 40, and the output end of the rotating motor 40 is connected with a worm 41.
[0044] More specifically, when the device needs to be used, first place the test tube at the top end of the mounting seat 2, then turn on the clamping motor 3, the clamping motor 3 drives the connecting sleeve 7 connected at the output end to rotate, then drives the cooperating block 23 to rotate through the cooperating groove 22, then the cooperating block 23 drives the connecting rod 9 to rotate through the cooperation of the clamping block 11 and the clamping groove 10, then the connecting rod 9 drives the transmission wheel 6 connected at one end to rotate, thereby driving the transmission wheel 6 engaged therewith to rotate, then the transmission wheel 6 at this position will drive the lead screw 4 to rotate, since the lead screw 4 is symmetrically provided at both ends with opposite threads, the movable seat 5 is movably connected with the lead screw 4 through the threads, and the sliding rod 33 limits the movable seat 5, then the two movable seats 5 will simultaneously slide inward along the sliding rod 33, then the inside of the rubber block 36 will contact the outer wall of the test tube, and at the same time the rubber block 36 will slightly deform, further fitting the outer wall of the test tube, then the movable seat 5 will cooperate with the push plate 35 and the rubber block 36 to press the push spring 34, when the clamping force reaches the preset value, the clamping block 11 is pressed against the outer wall of the clamping groove 10 due to the design of the round corners at the edge of the clamping groove 10 and the outside of the clamping block 11, then the clamping block 11 will slide out of the clamping groove 10 and press the spring 24 connected on one side, so that the clamping block 11 is no longer clamped into the clamping groove 10, thereby causing the clamping motor 3 to drive the connecting sleeve 7 to idle, then turn off the clamping motor 3, effectively preventing the test tube from being clamped and exploded, then turn on the rotating motor 40 installed in the base 1, the rotating motor 40 drives the worm 41 connected at the output end to rotate, then the worm 41 drives the worm gear 39 to rotate, then the worm gear 39 drives the rotating table 37 to rotate through the rotating shaft 38, thereby driving the clamping device and the clamped test tube to rotate, thereby achieving centrifugal sorting.
[0045] In summary, when the preset clamping force needs to be adjusted during the use or operation of the overall device, first, the movable block 15 is turned, the movable block 15 cooperates with the fixed block 17 to press the movable spring 16, and the movable block 15 drives the movable plate 20 to rotate the movable hole 21, when the movable spring 16 is pressed to the limit, the movable hole 21 moves to the position concentric with the movable rod 18, then the fixed sleeve 19 is pushed, the fixed sleeve 19 drives the movable rod 18 to slide along the sliding rail 31 and the sliding groove 32, and the movable rod 18 penetrates into the movable hole 21, at the same time, the fixed sleeve 19 cooperates with the movable plate 20 to press the reset spring 30, then the inner wall of the fixed sleeve 19 no longer limits the fixed rod 27, then the adjustment sleeve 8 is rotated, the adjustment sleeve 8 drives the plurality of fixed rods 27 slidingly arranged on the side wall to move synchronously, then the fixed groove 28 inner wall presses the one end of the fixed rod 27, due to the round corner treatment at the edge of the fixed groove 28 and the round corner structure at the end of the fixed rod 27, then the one end of the fixed rod 27 slides out of the fixed groove 28, and the other end of the fixed rod 27 drives the connecting spring 29 to stretch, at the same time, the adjustment sleeve 8 drives the adaptive groove 12 opened in the inner wall to rotate, due to the spiral structure design of the adaptive groove 12, the sliding block 25 and the sliding groove 26 cooperate to limit the adaptive sleeve 13, then the adaptive block 14 drives the adaptive sleeve 13 to slide, then the adaptive sleeve 13 pushes the cooperation block 23 to slide along the cooperation groove 22, due to the special inclined structure cooperation of the cooperation groove 22 and the cooperation block 23, then the cooperation block 23 is gathered inward while sliding along the cooperation groove 22, and the cooperation block 23 drives the sliding block 25 to slide along the sliding groove 26, then the cooperation block 23 cooperates with the clamping block 11 to press the spring 24, so that the pre-tightening force of the clamping block 11 changes, so that the clamping block 11 needs to receive greater force to separate from the clamping groove 10, after adjusting appropriately, stop rotating the adjustment sleeve 8, and make the connecting spring 29 drive the fixed rod 27 to slide and reset, so that the other end of the fixed rod 27 is inserted into the corresponding fixed groove 28, then release the fixed sleeve 19, the reset spring 30 pushes the fixed sleeve 19 to slide and reset along the sliding rail 31 and the sliding groove 32, and the fixed sleeve 19 drives the movable rod 18 to slide and reset, when the reset spring 30 is completely reset, the movable rod 18 is no longer inserted into the movable hole 21, then the movable spring 16 pushes the movable block 15 to reset, then the movable block 15 drives the movable hole 21 to reset and move to the position not corresponding to the movable rod 18 through the movable plate 20, then the movable rod 18 and the movable plate 20 cooperate to support the fixed sleeve 19, cooperate with the sliding rail 31 and the sliding groove 32 to limit the fixed sleeve 19, so that the fixed sleeve 19 cannot move, then the inner wall of the fixed sleeve 19 limits the outer end of the fixed rod 27, so that the fixed rod 27 cannot move, then the fixed rod 27 and the fixed groove 28 cooperate to limit the adjustment sleeve 8, so that the adjustment sleeve 8 cannot be rotated, thereby ensuring the stability of the adjusted structure, and further ensuring the stable operation of the device.
[0046] When the device needs to be used, first, the test tube is placed to the top end of the mounting seat 2, then the clamping motor 3 is opened, the clamping motor 3 drives the connecting sleeve 7 connected to the output end to rotate, then the matching block 23 is driven to rotate through the matching groove 22, then the connecting rod 9 is driven to rotate through the cooperation of the clamping block 11 and the clamping groove 10, then the transmission wheel 6 connected to one end of the connecting rod 9 is driven to rotate, thereby driving the transmission wheel 6 engaged with it to rotate, then the transmission wheel 6 at this position drives the lead screw 4 to rotate, because the lead screw 4 is symmetrically provided with opposite threads at both ends, the movable seat 5 is movably connected with the lead screw 4 through threads, and the slide rod 33 limits the movable seat 5, then the two movable seats 5 will simultaneously slide inward along the slide rod 33, then the inner side of the rubber block 36 will contact the outer wall of the test tube, and the rubber block 36 will be slightly deformed, thereby being more fitted with the outer wall of the test tube, then the movable seat 5 will cooperate with the push plate 35 and the rubber block 36 to press the push spring 34, when the clamping force reaches the preset value, the clamping groove 10 side wall presses the clamping block 11 outer wall, because the clamping block 11 outer side and the round corner design at the edge of the clamping groove 10 inner wall, then the clamping block 11 will slide out of the clamping groove 10, and press the spring 24 connected to one side, so that the clamping block 11 is no longer clamped into the clamping groove 10, thereby making the clamping motor 3 drive the connecting sleeve 7 to idle, then the clamping motor 3 is closed, effectively preventing the test tube from being clamped and exploded, then the rotary motor 40 installed in the base 1 is opened, the rotary motor 40 drives the worm 41 connected to the output end to rotate, then the worm 41 drives the worm gear 39 to rotate, then the worm gear 39 drives the rotary table 37 to rotate through the rotating shaft 38, thereby driving the clamping device and the clamped test tube to rotate, thereby realizing centrifugal separation.
[0047] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, in the above, whenever it is mentioned that it is fixedly connected, it is preferred to consider welding, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A stem cell sorting device comprising a base (1) characterised in that: The base (1) is provided with a clamping device, the clamping device includes a mounting seat (2), a clamping motor (3), a lead screw (4), a movable seat (5) and a transmission wheel (6), the movable seat (5) is connected with the lead screw (4) through threads, the clamping motor (3) is installed on one side of the mounting seat (2), the transmission wheel (6) is installed on the inner side of the mounting seat (2), one end of the clamping motor (3) is connected with a protection device, the protection device includes a connecting sleeve (7), an adjusting sleeve (8), a connecting rod (9), a clamping groove (10), a clamping block (11), an adaptive groove (12), an adaptive sleeve (13) and an adaptive block (14), the clamping groove (10) is opened on the outer side of the connecting rod (9), the clamping block (11) is clamped in the clamping groove (10), the adaptive groove (12) is spirally opened on the inner wall of the adjusting sleeve (8), the adaptive block (14) is connected on the outer side of the adaptive sleeve (13), the outer side of the connecting sleeve (7) is provided with a locking mechanism, the locking mechanism includes a movable block (15), a movable spring (16), a fixed block (17), a movable rod (18), a fixed sleeve (19), a movable plate (20) and a movable hole (21), the movable spring (16) is connected with the movable block (15) and the fixed block (17) at both ends, the movable rod (18) is connected on one side of the fixed sleeve (19), the movable plate (20) is sleeved on the outer side of the connecting sleeve (7), and the movable hole (21) is opened on the movable plate (20).
2. The stem cell sorting device of claim 1, wherein: The inner side of the connecting sleeve (7) is provided with a matching groove (22), and the matching groove (22) is slidably provided with a matching block (23), one side of the matching block (23) is connected with a spring (24), and the matching block (23) is movably connected with the clamping block (11) through the spring (24).
3. The stem cell sorting device of claim 2, wherein: One side of the matching block (23) is connected with a sliding block (25), one end of the adaptive sleeve (13) is provided with a sliding groove (26), and the sliding groove (26) is slidably arranged in the sliding groove (26).
4. The stem cell sorting device of claim 1, wherein: A plurality of fixed rods (27) are slidably arranged on the side wall of the adjusting sleeve (8), a plurality of fixed grooves (28) are opened on the outer side of the connecting sleeve (7), a connecting spring (29) is arranged on the outer side of the adjusting sleeve (8), one end of the fixed rod (27) is connected with the outer wall of the adjusting sleeve (8) through the connecting spring (29), the other end of the fixed rod (27) is inserted into the fixed groove (28), and the outer side of the movable rod (18) is movably sleeved with a reset spring (30). One end of the reset spring (30) is in contact with the movable plate (20).
5. The stem cell sorting device of claim 4, wherein: The outer side of the connecting sleeve (7) is fixedly provided with a sliding rail (31), the inner side of the fixed sleeve (19) is provided with a sliding groove (32) correspondingly, and the sliding groove (32) is matched with the sliding rail (31).
6. The stem cell sorting device of any one of claims 1-5, wherein: A sliding rod (33) is detachably arranged on the mounting seat (2), and the movable seat (5) is slidably connected with the sliding rod (33).
7. The stem cell sorting device of claim 6, wherein: One side of the movable seat (5) is connected with a push spring (34), the other end of the push spring (34) is connected with a push plate (35), and the other side of the push plate (35) is provided with a rubber block (36).
8. The stem cell sorting device of claim 7, wherein: The inside of the base (1) is provided with a rotating table (37), the bottom end of the rotating table (37) is connected with a rotating shaft (38), the rotating table (37) is rotatably installed on the inside of the base (1) through the rotating shaft (38), the outside of the rotating shaft (38) is fixedly provided with a worm gear (39), and the inside of the base (1) is detachably provided with a rotating motor (40).