CN208488467U - A kind of reagent agitating device and the Biochemical Analyzer containing the device - Google Patents

Abstract

The utility model provides a kind of reagent agitating device, which is arranged on the table, and including stirring rod and the second mechanical arm connecting with stirring rod, second mechanical arm is connected with the second drive module；The cavity of stirring rod is connected with water source by water supplying pipe, and stirring rod cavity is connected to water supplying pipe, and stirring rod offers several diffusing holes flowed out for water in cavity along its circumferential direction；The agitating device further includes the hydrops bucket collected to outflow water in cavity and the drying device to drying after stirring rod cleaning, and hydrops bucket is arranged on the table.The utility model additionally provides a kind of Biochemical Analyzer containing reagent agitating device, including workbench, setting reaction tray on the table and sample introduction frame, it is provided with above-mentioned agitating device between sample introduction frame and reaction tray and reagent in reagent bottle is drawn and injects the sample needle mechanism in reaction cup.The utility model has the advantages that the cleaning to stirring rod may be implemented, and simple to operate.

Description

A kind of reagent agitating device and the Biochemical Analyzer containing the device

Technical field

The utility model relates to the technical fields of biochemistry detection, more particularly, to a kind of reagent agitating device and contain The Biochemical Analyzer of the device.

Background technique

Now with social economy and science and technology be constantly progressive, biochemical analysis technology has also obtained unprecedented hair Exhibition, and Biochemical Analyzer is also more more and more universal in various large and medium-sized medical institutions.

It is more that the Chinese patent that existing Biochemical Analyzer such as Authorization Notice No. are CN1963527B discloses a kind of discrete Channel automatic clinical chemistry analyzer, including reaction tray component (1), sample and reagent storage dish component (2), sample-adding needle assemblies (3) With stirring bar assembly (4), the Biochemical Analyzer of the utility model only uses a liquid absorbing probe (5), and the probe (5) is both for adding Reagent is infused, and for filling sample, heat block is equipped with inside the mechanical arm (6) of fixed probe (5), for sucking probe Reagent carries out pre-temperature, reaches optimal reaction temperature, reaction cup (11) be can artificial replacement disposal reaction cup.The reality A kind of single reagent project analysis method using separate multi-channel automatic clinical chemistry analyzer is also disclosed with new patent, is led to Probe is crossed from being drawn respectively in reagent and sample injection reaction cup in reagent bottle, then will be stirred in stirring rod intercalation reaction cup Mixing mixes reagent in reaction cup and sample uniformly, then by the optical measurement mechanism in reaction tray component in reaction cup Reaction solution carry out absorbance measurement.

Mixing component in above-mentioned patent includes the second mechanical arm of fixed stirring rod, drives the of second mechanical arm movement Two drive modules, stirring rod service sink and the stirring driving machine structure for driving stirring rod rotation being placed in second mechanical arm, When needing to clean stirring rod, by stirring driving machine structure so that stirring rod be in stirring rod service sink it is interior to stirring rod into Row cleaning.

Prior art among the above have the following deficiencies: the Biochemical Analyzer reagent bottle and reaction cup all compared with More, then the reagent for needing to use when detecting is more, and stirring rod, which brings reagent into, in order to prevent influences to measure in other reaction cups As a result, usually in reaction cup when reagent difference, it is necessary to be cleaned to stirring rod, need to change stirring rod service sink Water, frequent operation.

Utility model content

One of the purpose of this utility model is to provide a kind of reagent agitating device, its advantage is that may be implemented to stirring rod Cleaning, and it is simple to operate.

The two of the purpose of this utility model are to provide a kind of Biochemical Analyzer containing reagent agitating device, its advantage is that The cleaning to stirring rod may be implemented, and simple to operate.

Above-mentioned first purpose of the utility model has the technical scheme that a kind of reagent stirring dress Set, the agitating device be arranged on the table, including be provided with the stirring rod of cavity along its axial direction and connect with stirring rod the Two mechanical arms, the second driving that the second mechanical arm is connected with driving second mechanical arm and stirring rod moves in the vertical direction Module；

The cavity of the stirring rod is connected with water source by water supplying pipe, and stirring rod cavity is connected to water supplying pipe, the stirring Bar offers several diffusing holes flowed out for water in cavity along its circumferential direction；

The agitating device further includes the hydrops bucket collected to outflow water in cavity and the drying to drying after stirring rod cleaning Device, hydrops bucket are arranged on the table.

By using above-mentioned technical proposal, when needing to clean stirring rod, the water controlled in stirring rod cavity passes through Diffusing hole is flow on the outer peripheral surface of stirring rod, is cleaned to stirring rod, when cleaning, is stirred by the second drive module drive control It mixes bar to be cleaned above hydrops bucket, the water after having cleaned is flowed directly in hydrops bucket, simple to operate.It is cleaned Stirring rod after cleaning is dried by drying device afterwards, prevents the water droplet after cleaning on stirring rod from flowing to remaining place.

The utility model is further arranged to: hydrops bucket bottom offers the apopore for the outflow of hydrops inner bucket water, The water that water speed is less than in stirring rod out of apopore flows to the speed of hydrops bucket by diffusing hole, also sets up in the stirring rod Having prevents check valve of the water flow outside cavity to water supplying pipe.

By using above-mentioned technical proposal, so set, controlling stirring rod in hydrops bucket by the second drive module, stir It mixes the water in bar to flow in hydrops bucket, because the water that water speed is less than in stirring rod that goes out of apopore flows to hydrops by diffusing hole The speed of bucket controls stirring rod stirring and washing in hydrops bucket, to stirring so that storing a certain amount of water in hydrops bucket at this time The cleaning of bar is more thorough, and the setting of check valve is so that the water of water supplying pipe is flowed in hydrops bucket by diffusing hole, and is prevented in the process Only the water flow in hydrops bucket is to water supplying pipe.

The utility model is further arranged to: the drying device includes being fixed in second mechanical arm close to stirring rod side The first blow-out nozzle, the first blow-out nozzle is communicated with pneumatic supply by tracheae, and tracheae is in second mechanical arm and by the Two drive modules are connected to pneumatic supply, and the first blow-out nozzle is towards stirring rod.

By using above-mentioned technical proposal, the setting of the first blow-out nozzle can blow to the stirring rod after cleaning, Realize the drying purpose to stirring rod.

The utility model is further arranged to: second drive module is also connected with the second air blowing close to workbench one end Nozzle, the second blow-out nozzle is towards stirring rod.

By using above-mentioned technical proposal, the setting of the second blow-out nozzle may further blow stirring rod after cleaning Gas, and be blowing to for different directions compared to the first blow-out nozzle.

The utility model is further arranged to: the drying device includes the closed plate that the opening of hydrops bucket is arranged in, The closed plate offers the perforation for entering hydrops bucket for the stirring rod, and the closed plate is far from described second mechanical arm one end It is connected with the second sponge, second sponge offers the jack for entering hydrops bucket for the stirring rod, the internal diameter of the jack Less than the diameter of the stirring rod.

By using above-mentioned technical proposal, so set, being stirred when cleaning stirring rod by the control of the second drive module It mixes bar to move downward, successively by perforation and jack, carries out cleaning stirring into hydrops bucket, move upwards after cleaning, wear first When crossing jack, the second sponge wipes stirring rod outer peripheral surface, then by perforating far from hydrops bucket, is sprayed by blowing It is further dried in mouth.

The utility model is further arranged to: second sponge is Nian Jie with the connecting plate.

By using above-mentioned technical proposal, so set, facilitating the disassembly of the second sponge.

The utility model is further arranged to: the connecting plate is connected with annular clamping ring close to hydrops bucket side, The clamping ring outer peripheral surface is fitted closely with hydrops bucket inner wall.

By using above-mentioned technical proposal, the clamping of connecting plate Yu hydrops bucket is may be implemented in the setting of annular clamping ring, into And facilitate removing and installing for connecting plate, connecting plate and the second sponge can be neatly replaced, and will not influence stirring rod Cleaning.

Above-mentioned second purpose of the utility model has the technical scheme that a kind of be equipped with stirs dress The Biochemical Analyzer set is provided on the sample introduction frame including workbench, setting reaction tray on the table and sample introduction frame Several reagent bottles carry several reaction cups in the reaction tray, are provided between the sample introduction frame and the reaction tray above-mentioned Agitating device and reagent in reagent bottle is drawn and injects the sample needle mechanism in reaction cup.

By using above-mentioned technical proposal, the reagent aspiration in reagent bottle is then injected into reaction cup by sampling probe, Then the reagent in reaction cup is stirred by stirring rod, stirring rod is controlled in product by the second drive module after stirring It is cleaned above liquid bucket or in hydrops bucket, is then dried by drying device.

In conclusion the advantageous effects of the utility model are as follows:

1, so that after specimen needle absorption reagent, reagent will not be dropped in specimen needle by below path for the setting of block piece；

2, it is provided with block piece on reagent rack and specimen holder, when so that reagent will be drawn by sample needle, sample Liquid in needle, which will not be dripped, pollutes medicament in remaining sample bin or agent bin；

3, the setting of cushion can reduce the abrasion generated when rotor plate is contacted with specimen needle.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the structural schematic diagram that collection assembly is embodied in the utility model；

Fig. 3 is the connection relationship diagram that buffer bar and sample needle ontology are embodied in the utility model；

Fig. 4 is the structural schematic diagram that agitating device is embodied in the utility model；

Fig. 5 is the structural schematic diagram that hydrops bucket is embodied in the utility model.

In figure, 1, workbench；2, reaction tray；3, sample introduction frame；31, reagent bottle；4, sample needle mechanism；41, sample needle ontology； 411, connecting rod；412, buffer bar；42, first mechanical arm；43, the first drive module；44, collection assembly；441, transiting rod； 442, connecting plate；443, barrier plate；444, limit plate；445, elastic component；446, collecting tank；447, water fender；5, stirring dress It sets；51, stirring rod；511, diffusing hole；52, second mechanical arm；53, the second drive module；54, drying device；541, first blows Gas jets；542, the second blow-out nozzle；543, closed plate；5431, it perforates；544, the second sponge；5441, jack；55, hydrops Bucket；551, apopore；56, annular clamping ring.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

The utility model provides a kind of reagent agitating device, and the utility model additionally provides a kind of containing reagent stirring dress The Biochemical Analyzer set, the Biochemical Analyzer described further below containing reagent agitating device.

It referring to Fig.1, is a kind of Biochemical Analyzer containing sample needle mechanism disclosed by the utility model, including workbench 1, Reaction tray 2 on workbench 1 and sample introduction frame 3 are set, several reaction cups are carried in reaction tray 2, are also set up in reaction tray 2 There is the optical measurement mechanism that absorbance measurement is carried out to reagent in reaction cup.Several reagent bottles 31 are provided on sample introduction frame 3.Work Sample needle mechanism 4 and agitating device 5 are additionally provided on platform 1, sample needle mechanism 4 is for drawing and injecting reagent in reagent bottle 31 In reaction cup, agitating device 5 is for being stirred the reagent in reaction cup.In use, passing through sample needle mechanism 4 for reagent bottle Reagent aspiration in 31 is then injected into reaction cup, is then stirred by agitating device 5 to the reagent in reaction cup, to promote Into its reaction process, after reaction is completed, absorbance measurement is carried out to reagent in reaction cup by optical measurement mechanism.

Sample needle mechanism 4 includes drawing the sample needle ontology 41 of reagent, and sample needle ontology 41 is connected with first mechanical arm 42, First mechanical arm 42 is connected with the first drive module 43 of its movement of driving, and the first drive module 43 can drive sample needle ontology 41 are circumferentially rotated along it, and then control sample needle ontology 41 towards reagent bottle 31 or reaction cup, are inhaled reagent with facilitating It takes or injects.First drive module 43 can also drive first mechanical arm 42 and sample needle ontology 41 to move in the vertical direction, And then the purpose that sample needle ontology 41 draws reagent out of reagent bottle 31 or injects reagent into reaction cup may be implemented, wherein driving Dynamic sample needle ontology 41 is circumferentially rotated and can be realized by gear motor, and driving sample needle ontology 41 moves in the vertical direction can To realize by lead screw and motor, it is also possible to realize by other technologies means, this is the prior art, in the present embodiment no longer It is described in detail.

One of improvement of the utility model is, as shown in Fig. 2, the sample needle mechanism 4 further includes to sample needle ontology The collection assembly 44 that reagent drippage part is collected in 41, collection assembly 44 includes the transition affixed with the first drive module 43 Bar 441 and the connecting plate 442 hinged far from first drive module one end with transiting rod 441,442 length direction of connecting plate and sample-adding Needle ontology 41 is in the same side of first mechanical arm 42；Connecting plate 442 is hinged with barrier plate far from 42 one end of first mechanical arm 443, driving barrier plate 443 is provided between barrier plate 443 and connecting plate 442 towards close to or far from 41 direction of sample needle ontology The elastic component 445 of movement, barrier plate 443 are connected with limit plate 444, limit plate 444 and connecting plate far from 442 one end of connecting plate Water fender 447 is additionally provided between 442, more than 447 limit plate 444 of water fender is affixed, and the other end is contacted with connecting plate 442.Stop Plate 443 is obliquely installed, and connect one end higher than the other end with connecting plate 442.Water fender 447, limit plate 444,443 and of barrier plate Collecting tank 446 is formed between connecting plate 442, sample needle ontology 41 is in collecting tank 446.

In conjunction with Fig. 3, in 41 motion process of sample needle ontology, if there is the drippage of reagent liquid, the setting of collecting tank 446 It may be implemented that the collection of drippage reagent is prevented reagent to be dropped on the working face of 41 motion path of sample needle ontology, causes dirt Dye, if reagent is dropped in remaining reagent bottle 31, causes the pollution of reagent.Or reagent is dropped in workbench 1, causes work The pollution of platform 1 causes to corrode, it has not been convenient to clear up especially when reagent is acid or alkaline matter to workbench 1.Elastic component So that when needing to carry out absorption reagent by sample needle ontology 41, sample needle ontology 41 is moved downward for 445 setting, resistance 443 stress of baffle is moved away from 41 direction of sample needle ontology, and sample needle ontology 41 is allowed to continue to move downward realization Absorption to reagent, after sample needle ontology 41 draws reagent, sample needle ontology 41 is moved upwards, until being in barrier plate 443 tops, barrier plate 443 reset under the drive of elastic component 445, form the collection of 446 pairs of collecting tank drippage reagents.Barrier plate 443 are obliquely installed, so that collecting tank 446 is obliquely installed, so that falling in even if having the gap between barrier plate 443 and connecting plate 442 Reagent in collecting tank 446 will not be spilt out.

Elastic component 445 can be spring and be also possible to torsional spring, it is only necessary to realize in sample needle ontology 41 far from barrier plate 443 When, barrier plate 443 restores deformation under the effect of elastic component 445, forms the reagent that collecting tank drips sample needle ontology 41 It is collected.

Because being generated when sample needle ontology 41 is abutted with barrier plate 443, between barrier plate 443 and sample needle certain Impact force, sample needle ontology 41 is damaged, therefore is connected with buffering close to 41 one end of sample needle ontology in barrier plate 443 Pad.

In 41 course of work of sample needle ontology, the reagent that front and back is drawn twice is different, then is collected into collecting tank Reagent is different, therefore when needing to draw reagent again, it needs to clear up the reagent in collecting tank, prevent in barrier plate The process kinds of 443 rotations, the reagent in collecting tank 446, which is fallen, pollutes reagent bottle 31 in reagent bottle 31.Therefore workbench 1 On be additionally provided with to the receiving flask that reagent is collected in collecting tank 446.Reagent is transported to reaction in by sample needle ontology 41 After cup, control sample needle ontology 41 is in above receiving flask, then makes sample needle ontology 41 close to receiving flask until in receiving Collect in bottle, liquid, which flows into, during sample needle ontology 41 drives barrier plate 443 to rotate down in the process, in collecting tank 446 collects In bottle.

It is not limited to above scheme, is also possible to barrier plate 443 far from 1 side of workbench and is bonded with the first sponge, the first sea Continuous setting is dropped in the reagent in sample needle ontology 41 in first sponge, and the first sponge has certain liquid storage function Can, the reagent of drippage can be absorbed, need only to need replacing sponge when drawing reagent again.

When first sponge and 41 end of sample needle ontology contact, the substance in the first sponge may be to sample needle sheet Body 41 results in blockage or into sundries, therefore, it is connected with close to 1 one end of workbench by connecting rod 411 in sample needle ontology 41 Buffer bar 412,412 lower end surface of buffer bar are lower than 41 lower end surface of sample needle ontology, buffer bar 412 and sample needle ontology 41 Distance is 3 ~ 5cm.So set, buffer bar 412 is right when sample needle ontology 41 moves downward the driving rotation of barrier plate 443 First sponge and barrier plate 443 exert a force, so that rotor plate rotates, meanwhile, both avoided the first sponge and sample needle ontology 41 Contact, and reduce barrier plate 443 for the impact force of sample needle ontology 41, in addition to this, also guarantee when sample-adding in the process When needle ontology 41 is in absorption reagent in reagent bottle 31, buffer bar 412 is in 31 side of reagent bottle, will not be to reagent bottle 31 It causes to damage.

As shown in figure 4, agitating device 5 includes stirring rod 51, the second mechanical arm 52 connecting with stirring rod 51 and drives The second drive module 53 that second mechanical arm 52 moves, the second drive module 53 can drive stirring rod 51 to be circumferentially rotated, Control stirring rod 51 is close in the horizontal direction or far from reaction cup in turn, and the second drive module 53 can also drive and stir It mixes bar 51 and circumferentially carries out rotary motion realization stirring along it.In addition, the second drive module 53 can also drive second mechanical arm 52 It is moved in the vertical direction with stirring rod 51, and then realizes that stirring rod 51 is stirred in reaction cup or stops far from reaction cup It only stirs and it is cleaned.Wherein stirring rod 51 or stirring rod 51 is driven to circumferentially rotate and can lead to second mechanical arm 52 Gear motor realization is crossed, driving stirring rod 51 moves in the vertical direction can realize by lead screw and motor, be also possible to lead to The realization of other technologies means is crossed, this is the prior art, is no longer described in detail in the present embodiment.

The two of improvement are in the utility model, as shown in figure 4, stirring rod 51 is set as the stirring rod equipped with cavity 51, the cavity of stirring rod 51 is connected with water source by water supplying pipe, and 51 cavity of stirring rod is connected to water supplying pipe, and stirring rod 51 is along its week To several diffusing holes 511 offered for water outflow in cavity.When needing to clean stirring rod 51,51 cavity of stirring rod is controlled Interior water is flow on the outer peripheral surface of stirring rod 51 by diffusing hole 511, is cleaned to stirring rod 51, when cleaning, passes through second 53 drive control stirring rod 51 of drive module is cleaned above hydrops bucket 55, and the water after having cleaned is flowed directly to hydrops bucket It is simple to operate in 55.

Drying is done after agitating device 5 further includes the hydrops bucket 55 collected to outflow water in cavity and cleans to stirring rod 51 Dry device 54, hydrops bucket 55 are arranged on workbench 1.55 bottom of hydrops bucket offers the apopore flowed out for water in hydrops bucket 55 551, the speed for going out the water that water speed is less than in stirring rod 51 and flowing to hydrops bucket 55 by diffusing hole 511 of apopore 551, stirring Being additionally provided in bar 51 prevents check valve of the water flow outside cavity to water supplying pipe.So set, allowing stirring rod in hydrops Be stirred cleaning in bucket 55, can cleaning to stirring rod 51 it is more thorough, the setting of check valve is so that water supplying pipe in the process Water flowed in hydrops bucket 55 by diffusing hole 511, and prevent water flow in hydrops bucket 55 to water supplying pipe.Water after cleaning is direct It is flowed out along apopore 551, operates simpler convenience.Stirring rod 51 is dried after 54 pairs of drying device cleanings, prevents clear The water droplet washed on rear stirring rod 51 flow to remaining place.

Drying device 54 includes affixed first blow-out nozzle 541 affixed and towards agitating plate 51 with second mechanical arm 52, First blow-out nozzle 541 is communicated with pneumatic supply by tracheae, and tracheae is in second mechanical arm 52 and by the second drive module 53 are connected to pneumatic supply.The setting of first blow-out nozzle 541 can blow to the stirring rod 51 after cleaning, realize to stirring The drying purpose of bar 51.

The second blow-out nozzle 542, the second blow-out nozzle are also connected with close to 1 one end of workbench in the second drive module 53 542 towards stirring rod 51.The setting of second blow-out nozzle 542 may further blow to stirring rod 51 after cleaning, and It is blowing to for different directions compared to the first blow-out nozzle 541, the direction of especially the second blow-out nozzle 542 is far from reaction cup In direction, can only drying is blowed to stirring rod 51, without having an impact to the substance in reaction cup.

Further, as shown in figure 5, drying device 54 includes the closed plate 543 that the opening of hydrops bucket 55 is arranged in, envelope Closing plate 543 offers the perforation 5431 for entering hydrops bucket 55 for stirring rod 51, and closed plate 543 is bonded with far from 1 one end of workbench Second sponge 544, the second sponge 544 offer the jack 5441 for entering hydrops bucket 55 for stirring rod 51, the internal diameter of jack 5441 Less than the diameter of stirring rod 51.So set, controlling stirring rod 51 by the second drive module 53 when cleaning stirring rod 51 It moves downward, successively by perforation 5431 and jack 5441, carries out cleaning stirring into hydrops bucket 55, moved upwards after cleaning, When first passing through jack 5441, the second sponge 544 wipes 51 outer peripheral surface of stirring rod, then remote by perforation 5431 From hydrops bucket 55, it is further dried by the first blow-out nozzle 541 and the second blow-out nozzle 542.After cleaning, Stirring rod is more clean, thus the second sponge 544 exchange for number it is few for stirring rod it is clean influence it is smaller.

Closed plate 543 is connected with annular clamping ring 56 close to 55 side of hydrops bucket, is clamped in ring outer peripheral surface and hydrops bucket 55 Wall fits closely.The clamping of closed plate 543 Yu hydrops bucket 55 may be implemented in the setting of annular clamping ring 56, and then facilitates closed plate 543 remove and install, can neatly replace closed plate 543 and the second sponge 544, and will not influence the clear of stirring rod 51 It washes.

The implementation principle of the present embodiment are as follows: in use, the first drive module 43 controls sample needle ontology 41 towards close to examination The movement of 31 direction of agent bottle, until sample needle ontology 41 is abutted with barrier plate 443,443 stress of barrier plate is rotated down, sample needle sheet Body 41 continues to move downward, and the reagent in reagent bottle 31 is drawn, and then sample needle ontology 41 moves upwards, until being in 443 top of barrier plate, barrier plate 443 reset under the drive of elastic component 445, form collecting tank, sample needle ontology 41 is first Close to reaction tray 2 under the driving of drive module 43, in the process, collecting tank 446 drips reagent to sample needle ontology 41 and is collected, Then similarly by reagent injector in reaction cup；Then stirring rod 51 is under the driving of the second drive module 53 in reaction cup Reagent is stirred, and after the completion of stirring, stirring rod 51, which is in hydrops bucket 55, carries out cleaning stirring, is moved upwards after cleaning, first When initially passing through jack 5441, the second sponge 544 wipes 51 outer peripheral surface of stirring rod, then separate by perforation 5431 Hydrops bucket 55 is further dried it by the first blow-out nozzle 541 and the second blow-out nozzle 542；Meanwhile passing through optics Measuring mechanism carries out absorbance measurement to reagent in reaction cup.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. a kind of reagent agitating device, the agitating device (5) setting is provided with cavity on workbench (1), including along its axial direction Stirring rod (51) and the second mechanical arm (52) that is connect with stirring rod (51), the second mechanical arm (52) be connected with driving The second drive module (53) that two mechanical arms (52) and stirring rod (51) move in the vertical direction, it is characterised in that: described to stir The cavity for mixing bar (51) is connected with water source by water supplying pipe, and stirring rod (51) cavity is connected to water supplying pipe, the stirring rod (51) Several diffusing holes (511) flowed out for water in cavity are offered along its circumferential direction；

The agitating device (5) is dry after further including the hydrops bucket (55) collected to outflow water in cavity and cleaning to stirring rod (51) Drying device (54), hydrops bucket (55) be arranged on workbench (1).

2. a kind of reagent agitating device according to claim 1, it is characterised in that: hydrops bucket (55) bottom offers For the apopore (551) of the interior water outflow of hydrops bucket (55), the water that water speed is less than in stirring rod (51) that goes out of apopore (551) leads to Cross the speed that diffusing hole (511) flows to hydrops bucket (55), be additionally provided in the stirring rod (51) prevent water flow outside cavity to The check valve of water supplying pipe.

3. a kind of reagent agitating device according to claim 1, it is characterised in that: the drying device (54) includes affixed In second mechanical arm (52) close to first blow-out nozzle (541) of stirring rod (51) side, the first blow-out nozzle (541) passes through gas Pipe is communicated with pneumatic supply, and tracheae is in second mechanical arm (52) and is connected to by the second drive module (53) with pneumatic supply, the One blow-out nozzle (541) is towards stirring rod (51).

4. a kind of reagent agitating device according to claim 1, it is characterised in that: second drive module (53) is close Workbench (1) one end is also connected with the second blow-out nozzle (542), and the second blow-out nozzle (542) is towards stirring rod (51).

5. a kind of reagent agitating device according to claim 1, it is characterised in that: the drying device (54) includes setting In the closed plate (543) of the opening of hydrops bucket (55), the closed plate (543), which offers, enters product for the stirring rod (51) The perforation (5431) of liquid bucket (55), the closed plate (543) are connected with the second sponge far from the second mechanical arm (52) one end (544), second sponge (544) offers the jack (5441) for entering hydrops bucket (55) for the stirring rod (51), described The internal diameter of jack (5441) is less than the diameter of the stirring rod (51).

6. a kind of reagent agitating device according to claim 5, it is characterised in that: second sponge (544) with it is described Closed plate (543) bonding.

7. a kind of reagent agitating device according to claim 5, it is characterised in that: the closed plate (543) is close to described Hydrops bucket (55) side is connected with annular clamping ring (56), and annular clamping ring (56) outer peripheral surface and hydrops bucket (55) inner wall are tight Closely connected conjunction.

8. a kind of Biochemical Analyzer equipped with agitating device, it is characterised in that: including workbench (1), be arranged on workbench (1) Reaction tray (2) and sample introduction frame (3), be provided with several reagent bottles (31) on the sample introduction frame (3), on the reaction tray (2) Several reaction cups are carried, it is any described that claim 1 ~ 7 is provided between the sample introduction frame (3) and the reaction tray (2) Reagent agitating device (5) and reagent bottle (31) interior reagent is drawn and injects the sample needle mechanism (4) in reaction cup.