Full-automatic dry chemical analyzer test-strips dispensing devices
Technical field
The utility model relates to the full-automatic dry chemical analyzer, particularly a kind of full-automatic dry chemical analyzer test-strips dispensing devices.
Background technology
The automatic separation of full-automatic dry chemical analyzer at present and add sample loading mode and mainly contain following two kinds:
1), automatically paper dividing structure is pressed the wall scroll reaction paper towards last with test paper, delivers to the application of sample position and detect delivering to the instrument detecting position again behind each project test paper point sample respectively through sample needle.The deficiency that this kind mode exists mainly is: a, paper distributing mechanism are difficult to guarantee that the test strips of sending out is that test paper faces up all; And be to be sent to application of sample position or detecting position impartially all, therefore cause omission of sample flase drop and test paper wasting phenomenon to happen occasionally; Even the b test paper is normally delivered to the application of sample position, this kind point sample mode also is difficult to each indicator paper block of assurance and can both puts appearance and cause a certain test item omission;
2), automatically clamp test paper by mechanical arm after the separation and be dipped in the sample, the test paper that will be soaked with sample is then delivered to the instrument detecting position and is detected.This kind mode has solved a kind of defective b of mode, but defective a still exists, and can get into sample because of reagent composition on the test paper and cause sample contaminated and unnecessary sample causes working environment to pollute.
Summary of the invention
The utility model technical matters to be solved is; Not enough to prior art; Provide a kind of and can conveniently store test paper; The test surfaces that guarantees test-strips up, each test event can both be put appearance, and can effectively avoid the full-automatic dry chemical analyzer test-strips dispensing devices of sample contamination working environment.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of full-automatic dry chemical analyzer test-strips dispensing devices; It comprises the some testing cassetes that are equiped with test-strips, and these testing cassetes are deposited in the testing cassete placing device, under the effect of driving mechanism; The testing cassete that the testing cassete conveying mechanism will be deposited in the testing cassete placing device is pushed to the test-strips separating position; The test-strips that the test-strips dispensing mechanism will be in the testing cassete of test-strips separating position is separated item by item, and pushes to the application of sample position one by one, and the sample adding device be made up of pump valve pipeline and sample arm is drawn sample and the test-strips that pushes to the application of sample position adopted and drenches the sample loading mode application of sample; The test-strips that is added with sample is pushed to the detection position then again, supplies testing agency to detect.
This testing cassete one side offer the test-strips outlet near at, and the bottom of this testing cassete is provided with the groove perpendicular to test-strips, this test-strips overlays in the testing cassete by the mode that test surfaces makes progress layer by layer.
Further being improved to of the utility model; This testing cassete placing device comprises top board and base plate; Be connected support through pin between this top board and the base plate; Thereby between top board and base plate, form one be used to store testing cassete cavity, be positioned at be pivoted with on the pin of this testing cassete placing device output terminal one be arranged at storage testing cassete back oscillating deck, the front side of this pin also is provided with one and assists pin; Should assist between pin and the oscillating deck and be provided with extension spring, and make the oscillating deck that to swing held and be pressed on the testing cassete by extension spring.
This driving mechanism comprises a main motor; Connect master and slave synchronizing wheel on the output shaft of this main motor; Winding is with synchronously on this master and slave synchronizing wheel; The below of this master and slave synchronizing wheel is provided with guide rod, the orienting lug that is slidingly connected on this guide rod, and the top of this orienting lug is solid-located with the hypomere of being with synchronously.
This testing cassete conveying mechanism comprises an installing plate; The inner transverse of this installing plate is equipped with two slide bars, is provided with slide rail between two slide bars, and the both sides of a compound slide block are sheathed on respectively on two slide bars; The both sides of one T-shape pushing block are sheathed on respectively on two slide bars that are positioned at compound slide block; And be provided with first stage clip between compound slide block and pushing block, the middle part of this pushing block is sheathed on the slide rail, and an end of this compound slide block is provided with can automatically reset pulling claw; Being equipped with on this pushing block can automatically reset pusher dog; The bottom surface of this pushing block is fixedly connected with a plate, and this web joint is fixedly connected with the orienting lug of said driving mechanism, and an end of this installing plate also is provided with can automatically reset first block.
This test-strips dispensing mechanism comprises a base, and the both sides of this base are equiped with two support plates, on the base between two support plates, is equiped with the release slide rail; Bottom one side of this release slide rail is equiped with the release motor, and the output shaft of this release motor reaches the opposite side of releasing slide rail, and should on the output shaft of release slide rail the main synchronizing wheel of release be installed; The bottom homonymy other end of this release slide rail is pivoted and releases from synchronizing wheel; This releases the synchronous band of winding release between the master and slave synchronizing wheel, and installing release push-rod frame is fixed on top that this release is with synchronously, and the middle part of this push-rod frame also is sheathed on to be released on the slide rail; Make push-rod frame to move along releasing slide rail smoothly; This push-rod frame is provided with push rod arranged side by side, the front end of those push rods offer one be used for ccontaining test-strips breach, and the height of this breach is greater than 1 and less than the height of 2 test-strips.
Further being improved to of such scheme, this testing cassete conveying mechanism also can comprise a line rail, the sheathed marketing department part that slides on this line rail, and should be fixedly connected with the orienting lug of said driving mechanism by the distribution parts, main motor can be driven promote parts rail motion along the line.Be pivoted with distribution through pivot on these distribution parts; The distribution parts are stretched out in the lower end of this distribution, are resisted against a side of the outermost layer testing cassete that is positioned at the testing cassete placing device, and upper end second stage clip of this distribution is connected with the distribution parts; And be provided with second baffle in test-strips separating position one side; Promoting when promoting parts and move, promote stir testing cassete to test-strips separating position and blocked by second baffle after, move and be resisted against the testing cassete top side with promoting parts again; And finally move to the opposite side of testing cassete, so that the loopback test box is got ready.
Compared with prior art, the beneficial effect that the utility model had is:
1, the used test-strips of the utility model is stored in the testing cassete; During use, push rod moves forward and backward by way of the testing cassete bottom groove test-strips that falls within push rod front end breach is pushed on the application of sample position item by item, in the propelling movement process; The release slide rail that is arranged under the push-rod frame has guaranteed that the level and smooth area of push rod ability test-strips and moves forward; Make test-strips can be pushed to the application of sample position impartially, after delivering to the application of sample position, sample adding device takes to drench the sample loading mode application of sample to test-strips; So just can guarantee that each test block on the test-strips can both put appearance, the unlikely project omission situation that occurs because not putting appearance.
2, the utility model also is provided with skewed slot in the front end bottom of push rod, the front end of this skewed slot down, and this skewed slot in front end be equiped with down the tip through stage clip; The tip that should fall is positioned at the push rod front end; In the propelling movement process, the tip that should fall is resisted against the test-strips front side, and along with test-strips is advanced forward; Move the compressing of falling tip stage clip synclinal bend below, has guaranteed that so further the test-strips that push rod pushes can be pushed to the application of sample position impartially.
3, the utility model places test trough with test paper or reagent, and test-strips is all put into testing cassete according to test surfaces in last mode in proper order, not only more convenient storage; And can effectively guarantee when application of sample detects, test surfaces up, and can not cause omission of sample flase drop and test paper the waste situation; And because the adding of test trough makes the test-strips overall weight increase, thereby is not prone to situations such as upset, coiling and skew in the transport process; During application of sample; This test trough also can be carried unnecessary specimen fluids, makes its unlikely flowing directly on the worktable, pollutes working environment.This multinomial order chemical reaction test paper is embedded in this test trough and is held on the ridge of bottom land; Thereby can effectively block specimen fluids side leakage on test paper; The used specimen fluids of each test item can not arrive together by crossfire, has effectively avoided producing cross pollution between the adjacent project.
4, the used multinomial order chemical reaction test-strips of the utility model also can be the test trough that inner bottom part has some reacting holes; Hold different chemical reaction reagents in each reacting hole respectively; Each reacting hole all is a space independently; Thereby can effectively intercept the side leakage of projects reactant liquor, to avoid producing cross pollution between the adjacent project.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model.
Fig. 2 is the structural representation of the utility model testing cassete placing device.
Fig. 3 is the structural representation of the utility model driving mechanism.
Fig. 4 is the structural representation of the utility model testing cassete conveying mechanism first embodiment.
Fig. 5 is the running-active status synoptic diagram of the utility model testing cassete conveying mechanism first embodiment.
Fig. 6 is the structural representation of the utility model test-strips dispensing mechanism.
Fig. 7 A is the structural representation of the utility model test-strips first embodiment.
Fig. 7 B is the structural representation of the utility model test-strips second embodiment.
Fig. 8 is the perspective exploded view of the utility model testing cassete structure one embodiment.
Fig. 9 is the solid combination synoptic diagram of Fig. 8.
Figure 10 pushes to the view of application of sample position from the testing cassete placing device for the utility model test-strips.
Figure 11 is structure and the operating state synoptic diagram thereof of the utility model testing cassete conveying mechanism second embodiment.
Figure 12 is the structural representation of the utility model test-strips dispensing mechanism second embodiment.
Embodiment
As shown in Figure 1; The utility model full-automatic dry chemical analyzer test-strips dispensing devices comprises that (this sample adding device is a known structure to the sample adding device that testing cassete 5, testing cassete placing device 6 and the driving mechanism 7, testing cassete conveying mechanism 8, the test-strips dispensing mechanism 9 and that are equiped with test-strips be made up of pump valve pipeline and sample arm; In this application; The applicant just changes the sample loading mode that adds of this sample adding device into the pouring sample loading mode by original point sample mode; So just can guarantee that each test block on the test-strips can both put appearance; The unlikely project omission situation that occurs because not putting appearance, this improves fully and is realized by Control Software, thereby does not do too much narration in this structure to sample adding device.)。
As shown in Figure 2, this testing cassete placing device 6 comprises top board 29 and base plate 33, is connected support through pin 31 between this top board 29 and the base plate 33, is used to store testing cassete 5 thereby between top board 29 and base plate 33, form a cavity.Be positioned at be pivoted with on the pin 31 of these testing cassete placing device 6 output terminals one be arranged at all storage testing cassete 5 back oscillating deck 30; The front side of this pin 31 also is provided with an auxiliary pin 311; Should assist between pin 311 and the oscillating deck 30 and be provided with extension spring 32; The oscillating deck 30 that can swing is held by extension spring 32, thereby testing cassete 5 is compressed.
As shown in Figure 3; This driving mechanism 7 comprises an electric machine support 11, and an end of this electric machine support 11 main motor 10 that locks is installed main synchronizing wheel 13 on the output shaft of this main motor 10; The other end installing of this electric machine support 11 is from synchronizing wheel 13 ', and master and slave synchronizing wheel 13,13 ' is gone up winding and is with 14 synchronously.This master and slave synchronizing wheel 13,13 ' below are provided with guide rod 15, the orienting lug 12 that is slidingly connected on this guide rod 15, the top of this orienting lug 12 be solid-located with 14 hypomere synchronously.This main motor 10 is for realizing the stepper motor of rotating, and it can drive synchronizing wheel 13 and do rotating, thereby can horizontally slip along guide rod 15 through the winding 14 drive orienting lugs 12 of being with synchronously above that.
As shown in Figure 4, this testing cassete conveying mechanism 8 comprises an installing plate 16, and the inner transverse of this installing plate 16 is equipped with between two slide bars, 19, two slide bars 19 and is provided with slide rail 24.The both sides of one compound slide block 18 are sheathed on respectively on two slide bars 19.The both sides of one T-shape pushing block 22 are sheathed on respectively on two slide bars 19 that are positioned at compound slide block 18; And 22 of compound slide block 18 and pushing blocks are provided with first stage clip 20; Make that when pushing block 22 action this compound slide block 18 also can corresponding actions, the middle part of this pushing block 22 is sheathed on the slide rail 24.One end of this compound slide block 18 is provided with two first torsion springs 25, and each first torsion spring 25 is provided with pulling claw 26.Through second torsion spring 21 pusher dog 23 is installed on this pushing block 22, makes this pusher dog 23 can rotate a special angle.The bottom surface of this pushing block 22 is fixedly connected a plate 17, and this web joint 17 is fixedly connected with the orienting lug 12 of above-mentioned driving mechanism 7.One end of this installing plate 16 also is provided with first block 28 through the 3rd torsion spring 27, makes this first block 28 can rotate a special angle.In the present embodiment; After making pulling claw 26, second torsion spring 21 make pusher dog 23, the 3rd torsion spring 27 that first block 28 is turned an angle through first torsion spring 25 respectively; Again after the spacing condition of pulling claw 26, pusher dog 23, first block 28 is removed; Can automatically reset, but the utility model is not limited thereto, any pulling claw 26, pusher dog 23 and the 28 automatically reset measures of first block all is encompassed in this patent protection domain.
The action of this testing cassete conveying mechanism 8 as shown in Figure 5, when testing cassete 5 was in test-strips separating position a, pushing block 22 was in position A (being position shown in Figure 4); After the test-strips in the testing cassete that is in separating position a 5 41 used up, under the effect of main motor 10, the web joint 17 that is connected with orienting lug 12 drove pushing block 22 and moves to position B; Travel forward thereby promote this empty testing cassete 5, compound slide block 18 is also corresponding moves forward for this, and this moment, the pulling claw 26 and first block 28 were collided; First block 28 is motionless, and pulling claw 26 falls down, and pushing block 22 continues to move to position C; This moment, testing cassete 5 was released fully; The pusher dog 23 and first block 28 are collided, and first block 28 is motionless, cross first block 28 after pusher dog 23 swings.After releasing empty testing cassete 5 fully, pushing block 22 retreats into position B under the effect of main motor 10, and compound slide block 18 is also drawn back under the acting in conjunction of the pulling force of pushing block 22 and first stage clip 20; Pusher dog 23 is collided with first block 28 once more in this process, and this moment, pusher dog 23 was motionless, and first block 28 falls down; Pulling claw 26 lifts thereupon; Testing cassete 5 among the bank bit b gets into the neutral gear of 22 of pulling claw 26 and pushing blocks thereupon, and pushing block 22 continues to retreat into position A, and pulling claw 26 drives testing cassetes 5 to separating position a.
As shown in Figure 6; This test-strips dispensing mechanism 9 comprises a base 40, and the middle part of this base 40 is equiped with releases slide rail 36, and a side of this release slide rail 36 is equiped with releases motor 39; Opposite side is pivoted with two and releases synchronizing wheel 38; Winding is released and is with 37 synchronously between the two release synchronizing wheels 38, and the output shaft of release motor 39 passes releases the wherein pivot of a release synchronizing wheel 38 of slide rail 36 conducts, and this release is synchronously with the fixing push-rod frame 35 of installing in 37 top; The middle part of this push-rod frame 35 is sheathed on to be released on the slide rail 36; Make push-rod frame 35 can be smoothly move along releasing slide rail 36, the front end of this push-rod frame 35 is provided with at least two parallel push rod 351, the front end of those push rods 351 offer one be used for ccontaining test-strips 41 breach 352.The height of this breach 352 is greater than 1 and less than the height of 2 test-strips 41.
Like Fig. 1-shown in Figure 6; The upper/lower terminal of the installing plate 16 of this testing cassete conveying mechanism 8 is connected with the top board 29 and the base plate 33 of testing cassete placing device 6 respectively; And driving mechanism 7 is installed on the top board 29, and the orienting lug 12 of driving mechanism 7 is fixedly connected with the web joint 17 of testing cassete conveying mechanism 8.
Shown in Fig. 7 A, test-strips 41 embodiment one that use in the utility model comprise a test trough 412, and the inner bottom surface of this test trough 412 is provided with several ridges 413 that is used for built on stilts multinomial order chemical reaction test paper; One multinomial order chemical reaction test strips 411 is embedded in this test trough 412 and is held on the ridge 413; The one or both ends of this test trough 412 are provided with first direction recess or guiding convex tendon 414.
Shown in Fig. 7 B; Test-strips 41 embodiment two that use in the utility model are roughly the same with embodiment one; Its difference only is that the inside of this test trough 412 is the some reacting holes 415 of distribution evenly, and hold different chemical reaction reagents respectively in each reacting hole 415.
Like Fig. 8-shown in Figure 9, the testing cassete of using in the utility model 5 is used to deposit test-strips 41.This testing cassete 5 one embodiment comprise drawer 52 in an outer box 51 and; Should in the side plate inboard of drawer 52 be provided with test-strips 41 on second lead convex tendon or the direction recess 521 that cooperate of first direction recess or guiding convex tendon 414; An end that is somebody's turn to do outer box 51 is provided with an opening 511; Interior drawer 52 box 51, forms test-strips outlet 53 after both are chimeric outside this opening 511 embeds, test-strips 41 can laterally be released in interior drawer 52.The bottom of drawer 52 also is provided with the groove 54 that matches with push rod 351 in being somebody's turn to do.This testing cassete 5 can every as required box be deposited tens to the hundreds of bar, and the test trough 412 of all test-strips 41 makes progress according to test surfaces, and downward mode leaves in the interior drawer 52 of testing cassete 5 at the bottom of the test-strips.
Although the embodiment of top testing cassete 5 is outer box 51 and interior drawer 52 structure combining; But the testing cassete of the utility model is not limited thereto; It also can be bottom one side and offers the integral type box body of test-strips outlet 53, the plate inboard, two opposite sides of this box body be provided with test-strips 41 on second lead convex tendon or the direction recess 521 that cooperate of first direction recess or guiding convex tendon 414.
The push-rod frame 35 of above-mentioned test-strips dispensing mechanism 9 is installed in the rear side of testing cassete 5, and a groove 54 of each push rod 351 corresponding testing cassetes 5 bottom is set up.When preparing to release test-strips 41; Push rod 351 is under the effect of releasing motor 39; Releasing to march to forward with 37 drive push-rod frames 35 synchronously makes its breach 352 just in time be positioned at the bottom of testing cassete 5; One test-strips 41 is just in time fallen within the breach 352 of two push rods 351, and under the effect of releasing motor 39, push rod 351 moves forward by way of the groove 54 of testing cassete bottom again; The test-strips 41 that falls within push rod 351 front ends is delivered to the application of sample position of sample adding device (not shown), and sample adding device takes to drench the sample loading mode application of sample to test-strips 41.This sample adding device is a known structure; Thereby do not do too much narration at this, in the utility model, this sample adding device just will add sample loading mode and change into and drench appearance; So just make sample fully to contact, some test event can not occur and the omission situation occur because of point sample not with test paper or reagent.
Shown in figure 10; When the utility model uses; With putting into the testing cassete 5 that test-strips 41 is housed in the testing cassete placing device 6, those testing cassetes 5 are pressed between oscillating deck 30 and the testing cassete conveying mechanism 8 under the acting in conjunction of rear side oscillating deck 30 and extension spring 32 earlier.At this moment, testing cassete 5 is foremost just in time established by pushing block 22 and pulling claw 26 cards, starts main motor 10, makes orienting lug 12, web joint 17 and pushing block 22 movement therewith, and testing cassete 5 is delivered to separating position a.Restart and release motor 39; Make the breach 352 of push rod 351 just in time be positioned at testing cassete 5 inner box 52 below; Then utilize and release 35 actions of motor 39 drive push-rod frames; Thereby release test-strips 41 is c to the application of sample position, after application of sample finishes, again this test-strips 41 is delivered to the check meter (not shown) and tests; After one test-strips 41 was delivered to check meter, push-rod frame 35 resetted under the effect of releasing motor 39 and begins to release action next time, used up until test-strips 41 to begin to circulate above-mentioned action.
Shown in figure 11; This testing cassete conveying mechanism 8 second embodiment comprise a line rail 71; Sheathed marketing department part 72 slides on this line rail 71; And should promote parts 72 can be fixedly connected with the orienting lug 12 of said driving mechanism 7, makes that promoting parts 72 can drive and promote parts 72 rail 71 motions along the line under main motor 10 effects.Be pivoted with distribution 74 through pivot 73 on these distribution parts 72, the lower end of this distribution 74 is stretched out and is promoted parts 72, can be used for stirring testing cassete 5 to the test-strips separating position that is positioned at the one of which side, and this test-strips separating position one side is provided with second baffle 75.The upper end of this distribution 74 is connected with distribution parts 72 through stage clip 76.When main motor 10 drives when being with 14 runnings synchronously, be with 14 to drive and promote parts 72 rails 71 motions along the line synchronously, promote 74 with distribution parts 72 by a place to the right push to test box 5 on the base plate 33 of testing cassete placing device 6, move; After testing cassete 5 is blocked by second baffle 75, to promote parts 72 and continue to move to right, distribution 74 receives the big resistance of testing cassete 5; Climb to the top of testing cassete 5 around pivot 73 rotations at the b place, continue to go to the c place to compress testing cassete 5, make testing cassete 5 be stabilized in test-strips separating position place; After strip dispensing mechanism 9 to be measured is accomplished test-strips dispensing work; Promote 74 and walk to d place disengaging testing cassete 5, promote 74 and oppositely be moved to the left, testing cassete 5 is released; Whole distribution parts 72 return a place (section start), have both accomplished the action of whole propelling movement testing cassete.
Shown in figure 12, be the utility model test-strips dispensing mechanism second example structure synoptic diagram.The front end both sides of this release slide rail 36 also can be respectively equipped with a support plate 42; Be fixed with the skewed slot 43 that is positioned at push rod 351 front end bottoms on each support plate 42; The front end of this skewed slot 43 down, and the front ends in this skewed slot 43 are equiped with down the tip 44 through stage clip, the tip 44 is positioned at the front end of push rod 351.In the propelling movement process; The tip 44 that should fall is resisted against the front side of test-strips 41; And along with test-strips 41 is advanced forward, the tip 44 that falls constantly moves compressing stage clip synclinal bend 43 belows, has guaranteed that so further the test-strips 41 that push rod 351 pushes can be pushed to the application of sample position impartially.This push rod also can be provided with a circular-arc bulge-structure 45 near the gap position place; Like this when from testing cassete 5, pushing out test-strips 41; During these bulge-structure 45 these testing cassetes 5 of process; This bulge-structure 45 can upwards push up the test-strips to be separated 41 in the testing cassete 5 gradually, thereby can effectively avoid treating discrete testing bar and the test-strips adhesion of releasing, and guarantees the smooth release of test-strips 41 abilities that just is being pushed out.Make the discrete testing bar of treating in the testing cassete 5 obtain arrangement simultaneously, it is more entirely left in the testing cassete 5, the unlikely test-strips 41 stuck situation in testing cassete 5 that occur.