CN103364255A - Blending device for hematology analyzer - Google Patents
Blending device for hematology analyzer Download PDFInfo
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- CN103364255A CN103364255A CN2012100880337A CN201210088033A CN103364255A CN 103364255 A CN103364255 A CN 103364255A CN 2012100880337 A CN2012100880337 A CN 2012100880337A CN 201210088033 A CN201210088033 A CN 201210088033A CN 103364255 A CN103364255 A CN 103364255A
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Abstract
The invention discloses a blending device for a hematology analyzer. The blending device comprises idler wheels which can rotate for 360 degrees and a roller for bearing a test tube stand, wherein the roller and the idler wheels are fixed together; the inner part of the roller is provided with a space for containing the test tube stand; a plurality of test tubes can be contained on the test tube stand. When the blending device works, a plurality of the test tubes are contained on the test tube stand and the test tube stand is arranged in the roller; the idler wheels rotate and drive the roller to rotate for 360 degrees or 180 degrees, so that blood samples in the test tubes can be uniformly blended. The blending device disclosed by the embodiment of the invention can carry out shaking-up operation on a plurality of the test tubes in the test tube stand for one time so that times for grabbing the test tubes can be reduced by shaking up a plurality of the test tubes for one time when being compared with a shaking-up device in the prior art, and the quantity for shaking up the test tubes for one time is increased; therefore, the blending efficiency of the hematology analyzer is improved.
Description
Technical field
The present invention relates to medical sanitary apparatus, more particularly, relate to a kind of evenly mixing device for cellanalyzer.
Background technology
Cellanalyzer is that very widely one of instrument is used in the hospital clinical check, along with the in recent years development of making rapid progress of computer technology, the technology of blood cell analysis is also hived off from three and is turned to five to hive off, from two-dimensional space and then turn to three dimensions, and we also notice many employing and the identical technology of current FA flow cytometer of five sorting techniques of modern cellanalyzer, such as scattered light detection technique, sheath stream technology, laser technology etc.
In cellanalyzer, automatically need before the sampling blood sample is carried out the further sampling of abundant mixing ability and detects.The patent No. is the device that the Chinese patent of CN01123219.6 discloses a kind for the treatment of of sample of blood products, comprises conveyer, is used on predefined paths one by one mobile box; Agitating device, it is with at least one picking device, this picking device can be started by drive unit, from box motionless on the path, pick at least a selected test tube, from the path, pick at least a selected test tube the motionless box, make test tube away from box, shake test tube and with in the tube back box, and sampler, it can extract the sample of specified rate out from put back to the test tube that shook in advance in the box.The test tube clamp that above-mentioned agitating device will fill blood sample is held on the grabbing device that grasps on it even with sample mix.During operation, pick at least two selected test tubes the box of picking device from the path that is fixed on conveyer, then test tube is shaken twice together.Above-mentioned agitating device is when shaking test tube, need picking device to grasp respectively test tube, for example, picking device in this patent once can grasp two selected test tubes, when needs carried out married operation to ten invisible spectro blood samples, picking device grasped two test tubes at every turn, then simultaneously two test tubes was carried out shaking operation twice, so need to carry out five times grasping manipulation, shake operation five times.For analyzing blood sample in batches, its mixing efficiency is on the low side.
Therefore, how to work out a kind of evenly mixing device that improves mixing efficiency in the cellanalyzer, become the technical matters that those skilled in the art need to be resolved hurrily.
Summary of the invention
Therefore, the object of the invention is to, a kind of evenly mixing device for cellanalyzer is provided, to improve the mixing efficiency of cellanalyzer.
To achieve these goals, the invention discloses a kind of evenly mixing device for cellanalyzer, comprising can the rotating 360 degrees roller and the cylinder of carrying test tube rack, wherein, described cylinder roller is fixed together, and described cylinder inside has the space that holds test tube rack.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, be provided with belt on the described roller, cooperate with the first motor by belt gear.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, also comprise clamping device.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, described clamping device comprises the second motor, fixed sturcture, screw rod, voussoir and block, wherein, described the second motor is fixed on the described fixed sturcture, the circular hole that described screw rod one end passes on the described fixed sturcture links to each other with described the second motor, described voussoir is set in its inside surface on the screw rod and matches with screw thread on the described screw rod, described fixed sturcture bottom has the groove that holds described voussoir, and described block and described groove are complementary.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, described clamping device is fixed on the web joint.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, also comprise the optoelectronic switch of controlling described the second motor operation, be provided with the shell fragment that triggers described optoelectronic switch on the described voussoir.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, also comprise the stop motion mechanism that is arranged on the described cylinder and blocks described test tube rack.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, described stop motion mechanism comprises spring, fixed sturcture, syndeton and rolling bearing, wherein, described syndeton upper end is provided with shrinkage pool that a diameter matches with spring for holding described spring, described spring wherein one section be placed in the shrinkage pool, one section is exposed outside shrinkage pool; The syndeton lower end extends to form forward an axle that matches with rolling bearing, and described rolling bearing is set on this axle, and the front end of axle arranges nut and gets off to prevent axis of rolling landing from the axle; Described fixed sturcture is fixed on the cylinder wall.
Preferably, at above-mentioned evenly mixing device for cellanalyzer, described evenly mixing device is fixed by bracing frame.
Preferably, the cylinder both sides are provided with microswitch.
The evenly mixing device that is used for cellanalyzer in the embodiment of the invention comprises can the rotating 360 degrees roller and the cylinder of carrying test tube rack, and wherein, described cylinder roller is fixed together, and described cylinder inside has the space that holds test tube rack; Described test tube rack can hold a plurality of test tubes.
During above-mentioned evenly mixing device work, hold a plurality of test tubes on the test tube rack, test tube rack is arranged in the cylinder, and the roller rotation also drives 360 ° or 180 ° of drum rotatings, thereby invisible spectro blood sample can be mixed.Because the evenly mixing device in the embodiment of the invention once shakes up operation to a plurality of test tubes in the test tube rack, than oscillating uniform device of the prior art, owing to once shake up the number of times that a plurality of test tubes not only can reduce the crawl test tube, and increased and once shake up the quantity of test tube, thereby improved the mixing efficiency of cellanalyzer.
Description of drawings
Fig. 1 is the cellanalyzer perspective view that the embodiment of the invention provides;
Fig. 2 is the cellanalyzer plan structure synoptic diagram that the embodiment of the invention provides;
Fig. 3 is the plan structure synoptic diagram of the test tube rack that provides of the embodiment of the invention;
Fig. 4 is the structural representation of looking up of the test tube rack that provides of the embodiment of the invention;
Fig. 5 and Fig. 6 are the multi-angle structure synoptic diagram that the embodiment of the invention provides towing device;
Fig. 7 is the blast structural representation that the embodiment of the invention provides towing device;
Fig. 8 is the side-looking structural representation that the embodiment of the invention provides gearing;
Fig. 9 is the blast structural representation that the embodiment of the invention provides gearing;
Figure 10 is the evenly mixing device perspective view that the embodiment of the invention provides;
Figure 11 is the blast structural representation of the evenly mixing device that provides of the embodiment of the invention;
Figure 12 is the clamping device perspective view that the embodiment of the invention provides;
Figure 13 is the clamping device blast structural representation that the embodiment of the invention provides
Figure 14 is the stop motion mechanism blast structural representation that the embodiment of the invention provides;
Figure 15 is the stop motion mechanism sectional structure synoptic diagram that the embodiment of the invention provides;
Figure 16 is the stop motion mechanism mounting structure synoptic diagram that the embodiment of the invention provides.
Embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.
As depicted in figs. 1 and 2, this sample introduction sampler comprises loading attachment, and the test tube rack that is used for depositing the test tube that the fills sample blood luggage of going forward side by side carries; Towing device 4 is used for the test tube that the sample introduction sampler is deposited is delivered to evenly mixing device; Evenly mixing device 5 is used for invisible spectro sample blood is mixed; Puncture sampling apparatus 6 is used for analyzing blood cell composition; Discharge mechanism 7 is used for the test tube rack of finishing the sample introduction sampling is unloaded.
Above-mentioned sample introduction sampler specific works process is: the test tube rack 3 in the loading attachment, under the effect of towing device 4, deliver in the evenly mixing device 5, by towing device 4 test tube support of carrying sample blood is delivered to puncture sampling apparatus 6 again after process evenly mixing device 5 mixes, sample; In the sample analysis process, the test tube that carries enters again that to carry out the multiple reversal compound in the evenly mixing device 5 even, so that mixing is more abundant; Test tube rack 3 was pushed out and is discharged in the carrying disk 8 of discharge mechanism 7 after ultimate analysis detected and finishes.
As shown in Figure 3 and Figure 4, the test tube rack 3 in the present embodiment can hold a plurality of test tubes 26, and blood sample is contained in the test tube 26, and uses plug closes, and distance is identical between the adjacent test tube 26.
Wherein, in the above-mentioned test tube rack 3, annular cover 32 can be fixed on the sidewall 31 by physical construction, for example adopts screw to be fixed on the sidewall 31; Can also be set to integral structure, form integral structure by injection moulding particularly.
Install for convenient, sidewall 31 tops are provided with the groove 34 identical with test tube 26 spacings, and horizontal direction is provided with step 32.Base plate 30 at test tube rack 3 is provided with cavernous structure, to make things convenient for the clamping of follow up device, this cavernous structure is the square opening structure particularly, and this square opening comprises sleeve pipe and this sleeve pipe is fixed on stiffening rib on the base plate 30, stiffening rib centered by sleeve pipe to around disperse layout, not only guarantee the intensity of sleeve pipe, also saved to greatest extent raw material.Above-mentioned base plate 30 can be set to integral structure with cavernous structure, is integral the formula structure by injection molding particularly.
Loading attachment in the embodiment of the invention comprises carrying disk 1 and pushes away sample piece 2, and wherein, carrying disk 1 can hold test tube rack 3, and test tube rack 3 is slidably disposed on the carrying disk 1; Push away the end that sample piece 2 is arranged on carrying disk 1, and can promote test tube rack 3 and move to the direction away from carrying disk 1 other end.
Particularly, the both sides of carrying disk 1 are provided with guide pole, push away sample piece 2 and pass this guide pole and can carry out longitudinal sliding motion along guide pole.When above-mentioned carrying disk 1 every side was provided with a guide pole, carrying disk 1 was provided with clamping part near the edge of carrying disk 1 loading surface and away from the edge of carrying disk 1 loading surface, and this pushes away the sample piece in the acting in conjunction lower slider of clamping part and guide pole; When above-mentioned carrying disk 1 every side was provided with at least two guide poles, every guide pole be arranged in parallel, this moment this push away sample piece 2 can be smoothly under the effect of guide pole promotion test tube rack 3 move to predetermined direction.
The structure of discharge mechanism is identical with loading attachment, and the two difference is a loading place that is positioned at whole sample introduction sampler, unloading place that is positioned at described sample introduction sampler.
Such as Fig. 5 to towing device 4 shown in Figure 9, this towing device 4 can be the rack and pinion drive mechanism that motor 36 drives, it also can be the cam mechanism that motor 36 drives, under the driving of motor 36, under rack and pinion drive mechanism or cam mechanism transmission, the section of pulling that all can realize towing device 4 is rectilinear motion up and down, and this section of pulling is specially handgrip.Handgrip moves upward, and when arriving top limit position, handgrip gos deep in the cavernous structure of test tube rack 3 bottoms, moves at predetermined track thereby whole towing device 44 drives test tube rack 3 along the cross slide way transverse shifting; When handgrip moved downward, handgrip separated with test tube rack 3, and what whole towing device 4 just can be independent moves in predetermined track.
In this only narration as an example of the rack-and-pinion transmission example, this towing device 4 comprises handgrip 39 and the driving mechanism that can move up and down, and driving mechanism drives handgrip 39 and moves up and down.This driving mechanism comprises the holder 42 that can be sleeved on the cross track particularly, by fixed cap 44 motor 36 is installed on this holder 42, is fixed with gear 37 on the output shaft of motor 36; Be fixed on the orienting lug 41 on the holder 42; Slidably be arranged on the slide block on the orienting lug 41, the tooth bar 38 that is provided with handgrip 39 on this slide block and matches with gear 37 wherein, is provided with cylindrical hole 54 on the handgrip 39, by the pin that is installed on the cylindrical hole 54 handgrip is fixed on the slide block; With slide block is added the clamping plate 48 that are held in orienting lug 41.
When towing device 4 arrives the precalculated position, by 37 rotations of motor 36 driven gears, the rotation of gear 37 so that tooth bar 38 move upward along tooth bar 38 orienting lugs 41.In tooth bar 38 motion processes, tooth bar 38 abuts against on the madial wall 31 of orienting lug 41 without a side of profile of tooth, moves up and down along orienting lug 41.The cylinder 52 that one projection is arranged near a side of orienting lug 41 at tooth bar 38, cylinder 52 is positioned at the strip groove 53 of orienting lug 41 centres in the process that moves up and down, play the effect of mechanical position limitation, this cylinder 52 can be the entity cylindrical pins, also can be a pulley that can freely rotate.
When gear 37 arrives certain altitude, be fixed in the cavernous structure on tooth bar 38 drive handgrips 39 insertion test tube racks 3 base plates 30 on the slide block, like this, test tube rack 3 towing devices 4 can drive test tube rack 3 and move simultaneously in the transverse movement process.When this device need not to drive test tube rack 3 motion, motor 36 backward rotation certain angles, tooth bar 38 moves downward backhaul, the cavernous structure that handgrip 39 breaks away from test tube rack 3 bottoms.
Be provided with the through hole 43 that matches with cross slide way on this holder 42, wherein, reduce the wearing and tearing of holder 42, the two ends of through hole 43 are respectively arranged with orienting sleeve 50, and this orienting sleeve 50 is fixed by mounting flange 49.
In order better to hold the working time of handgrip 39, also be provided with photoelectric sensor 45 on this towing device 4, wherein, be fixed with on the slide block for the sheet metal 51 that starts photoelectric sensor 45, when handgrip 39 moves to predeterminated position, sheet metal 51 contacts with photoelectric sensor 45, starts photoelectric sensor 45 operations, this moment photoelectric sensor 45 CD-ROM drive motor 36 antikinesises that transmit control signal.
The opposite side of tooth bar 38 is provided with a sheet metal 51, and sheet metal 51 also moves up and down thereupon in tooth bar 38 motion processes, and sheet metal 51 triggers the photoelectric sensor 45 that is positioned at front end when arriving the precalculated position, thus the duty of control motor 36.
Whole test tube rack 3 towing devices 44 are driven by main frame motor 36, Timing Belt (not outpouring) is fastened on the clamping plate 48, through hole 43 and cross slide way (not outpouring) clearance fit are so that test tube rack 3 towing devices 4 are done transverse movement along cross slide way under the drive of motor 36.
Fixed a roller 40 at tooth bar 38, roller 40 is between test tube rack 3 cross slide waies, and in test tube rack 3 towing devices 4 transverse movement processes, roller rolls along test tube rack 3 cross slide way inside surfaces, thereby plays guide effect.By cross slide way and roller 40 guiding, avoid whole test tube rack 3 towing devices 4 is to vacillate now to the left, now to the right in motion to whole like this test tube rack 3 towing devices 4 in motion process.
After towing device 4 was transported to evenly mixing device 5 with test tube rack 3, evenly mixing device 5 shook test tube rack 3, thereby shook the test tube 26 of placing on the test tube rack 3.
As shown in Figure 10 and Figure 11, this evenly mixing device 5 comprise can rotating 360 degrees roller 9, the cylinder 11 of roller 10 and carrying test tube rack 3, wherein, cylinder 11 is fixed together with roller 9 and roller 10, and cylinder 11 inside have the space that holds test tube rack 3; Roller 9 and roller 10 rotate under the driving effect of motor 13.Test tube rack 3 is transported to cylinder 11 inside under the effect of towing device 4, and is fixed on cylinder 11 inside, and evenly mixing device is fixed on described cross slide way top by bracing frame.
The course of work of evenly mixing device 5 in the middle of below will describing in detail.
Preferred in the present embodiment, motor 13 rotates by band transmission driving rolls 9 and roller 10, thereby realizes whole row's test tube 26 same time Rotate 180s ° or 360 °, thus so that the abundant mixing of sample.After mixing finished, optoelectronic switch 19 was to motor 13 transmitted signals, and motor 13 stops operating.
In order to optimize above-mentioned evenly mixing device 5, extremely shown in Figure 13 such as Figure 12, also be provided with clamping device 14 on the evenly mixing device 5 in the present embodiment, the just clamping device 14 of braking behind test tube rack 3 Rotate 180s in evenly mixing device 5 ° or 360 °, 14 pairs of whole cylinders 11 of this clamping device carry out mechanical braking.
Be provided with optoelectronic switch 19 and clamping device 14 in cylinder 11 upper ends.This clamping device 14 comprises motor 16, fixed sturcture 17, screw rod 18, voussoir 21 and block 22, wherein, motor 13 is fixed on the fixed sturcture 17, the circular hole that screw rod 18 1 ends pass on the fixed sturcture 17 links to each other with motor 13, voussoir 21 is set in its inside surface on the screw rod 18 and matches with screw thread on the screw rod 18,18 rotation drive voussoirs 21 move downward thereby motor 13 drives screw rod, fixed sturcture 17 bottoms have the groove 34 that holds voussoir 21, when voussoir 21 does not move downward, just be contained in groove 34 the insides of this fixed sturcture 17, block 22 is complementary with the groove 34 of voussoir 21.Whole clamping device 14 is fixed on the web joint 171 on the bracing frame that is fixed on evenly mixing device by 17 times end peripheries of fixed sturcture and is fixed, and this web joint 171 is hollow, and middle hole can hold the motion of voussoir about in the of 21.Block 22 is fixed on the cylinder 11 of evenly mixing device 5, and by block 22 is braked, thereby index drum 11 rotates.
After mixing was finished, shell fragment 20 triggered optoelectronic switch 19, and motor 16 quits work, motor 16 is downward by screw rod 18 drive voussoirs 21 simultaneously, block 22 inserts in the voussoirs 21, plays mechanical braking, to prevent because the phenomenon of breaking through that rotator inertia and photoelectric sensor lag behind or lost efficacy and cause.
In order further to optimize above-mentioned evenly mixing device 5, extremely shown in Figure 16 such as Figure 14, also be provided with stop motion mechanism 15 on the evenly mixing device 5 in the present embodiment, as shown in the figure, this stop motion mechanism 15 comprises spring 27, fixed sturcture 25, syndeton 24 and rolling bearing 23, wherein, syndeton 24 upper ends are provided with the shrinkage pool that a diameter matches with spring 27 and are used for holding spring 27, spring 27 wherein one section be placed in the shrinkage pool, one section is exposed outside shrinkage pool; Syndeton 24 is fixed in the mounting hole 28 of fixed sturcture 25, the upper surface of the spring 27 on it withstand on fixed sturcture 25 the upper end lower surface and cut down output by the top of this face and to give birth to certain elasticity tension; Fixed sturcture 25 is fixed on cylinder 11 sidewalls 31; Syndeton 24 lower ends extend to form forward an axle that matches with rolling bearing 23, and described rolling bearing 23 is set on this axle, and the front end of axle arranges nut and gets off to prevent axis of rolling landing from the axle.
Below will describe stop motion mechanism 15 courses of work in detail.
Rolling bearing 23 is stuck in the groove 34 of test tube rack 3, and when towing device 4 promoted test tube rack 3, rolling bearing 23 was crossed test tube rack 3 grooves 34 and lifted, and this moment, stop motion mechanism 15 interior springs 27 compressed, and test tube rack 3 passes through smoothly.After reaching correct position, 4 pairs of test tube racks 3 of towing device are strength not laterally, at this moment rolling bearing 23 is stuck in the groove 34 on the test tube rack 3 just, so that test tube rack 3 horizontal free movements are obstructed, and test tube rack 3 closely leans in cylinder 11 bottoms under the downward effect of spring 27, and test tube rack 3 can be cylinder 11 interior skews in cylinder 11 rotary courses.
In addition, be provided with microswitch in the both sides of cylinder 11, all be positioned at cylinder 11 inside to guarantee whole test tube rack 3 and all test tubes 26.The rolling bearing 23 of stop motion mechanism 15 is stuck in the groove 34 of test tube rack 3, promote test tube rack 3, rolling bearing 23 is crossed test tube rack 3 grooves 34 and is lifted, this moment, stop motion mechanism 15 interior springs 27 compressed, test tube rack 3 passes through smoothly, test tube rack 3 does not laterally stress after reaching correct position, rolling bearing 23 is stuck in the groove 34 just, so that test tube rack 3 horizontal free movements are obstructed, and test tube rack 3 closely leans in cylinder 11 bottoms under the effect of spring 27, and test tube rack 3 can be cylinder 11 interior skews in cylinder 11 rotary courses.
Claims (10)
1. an evenly mixing device that is used for cellanalyzer is characterized in that, comprising can the rotating 360 degrees roller and the cylinder of carrying test tube rack, and wherein, described cylinder roller is fixed together, and described cylinder inside has the space that holds test tube rack.
2. the evenly mixing device for cellanalyzer as claimed in claim 1 is characterized in that, is provided with belt on the described roller, cooperates with the first motor by belt gear.
3. the evenly mixing device for cellanalyzer as claimed in claim 2 is characterized in that, also comprises clamping device.
4. the evenly mixing device for cellanalyzer as claimed in claim 3, it is characterized in that, described clamping device comprises the second motor, fixed sturcture, screw rod, voussoir and block, wherein, described the second motor is fixed on the described fixed sturcture, the circular hole that described screw rod one end passes on the described fixed sturcture links to each other with described the second motor, described voussoir is set in its inside surface on the screw rod and matches with screw thread on the described screw rod, described fixed sturcture bottom has the groove that holds described voussoir, and described block and described groove are complementary.
5. the evenly mixing device for cellanalyzer as claimed in claim 4 is characterized in that, described clamping device is fixed on the web joint.
6. the evenly mixing device for cellanalyzer as claimed in claim 5 is characterized in that, also comprises the optoelectronic switch of controlling described the second motor operation, is provided with the shell fragment that triggers described optoelectronic switch on the described voussoir.
7. such as each described evenly mixing device for cellanalyzer among the claim 1-6, it is characterized in that, also comprise the stop motion mechanism that is arranged on the described cylinder and blocks described test tube rack.
8. the evenly mixing device for cellanalyzer as claimed in claim 7, it is characterized in that, described stop motion mechanism comprises spring, fixed sturcture, syndeton and rolling bearing, wherein, described syndeton upper end is provided with shrinkage pool that a diameter matches with spring for holding described spring, described spring wherein one section be placed in the shrinkage pool, one section is exposed outside shrinkage pool; The syndeton lower end extends to form forward an axle that matches with rolling bearing, and described rolling bearing is set on this axle, and the front end of axle arranges nut and gets off to prevent axis of rolling landing from the axle; Described fixed sturcture is fixed on the cylinder wall.
9. the evenly mixing device for cellanalyzer as claimed in claim 1 is characterized in that, described evenly mixing device is fixed by bracing frame.
10. the evenly mixing device for cellanalyzer as claimed in claim 1 is characterized in that, described cylinder both sides are provided with microswitch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210088033.7A CN103364255B (en) | 2012-03-29 | 2012-03-29 | For the evenly mixing device of cellanalyzer |
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| CN201210088033.7A CN103364255B (en) | 2012-03-29 | 2012-03-29 | For the evenly mixing device of cellanalyzer |
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| CN103364255B CN103364255B (en) | 2016-04-27 |
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