CN209263439U - A kind of cold storage plant - Google Patents

Abstract

The utility model discloses a kind of cold storage plants, store for reagent, the refrigerated cabinet including liquid sucting mechanism and for storing reagent bottle, and the refrigerated cabinet is equipped with imbibition pore；The liquid sucting mechanism includes support frame, slide assemblies and pipette, one end of the pipette is located in refrigerated cabinet after passing through the imbibition pore, the other end is mounted on slide assemblies, the slide assemblies are mounted on the refrigerated cabinet by support frame as described above, for realizing the separation or connection of the pipette and reagent bottle；Not only can be convenient for the quick-replaceable of reagent bottle in refrigerated cabinet, and the sealing effect of refrigerated cabinet can also be improved.

Description

A kind of cold storage plant

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of cold storage plants.

Background technique

Reagent bottle is the container for using storage reagent, is widely used in medical experimental and chemical laboratory, is normal in laboratory A kind of experiment article seen, during medical test, it is sometimes desirable to chilling treatment be carried out to reagent bottle, can postpone to store The holding time of reagent in reagent bottle, to carry out various tests and research.However, currently on the market for storing reagent bottle Cold storage plant it is not only at high cost, but also the replacement of reagent bottle is also more troublesome.

Utility model content

The utility model provides a kind of cold storage plant, can not only realize the quick-replaceable of reagent bottle, and can also increase The airtightness of strong cold storage plant, structure is simply practical, saves manufacturing cost.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of cold storage plant is stored for reagent, comprising:

Refrigerated cabinet, for storing reagent bottle, the refrigerated cabinet is equipped with imbibition pore；

One end of liquid sucting mechanism, including support frame, slide assemblies and pipette, the pipette passes through the imbibition pore It is located in refrigerated cabinet afterwards, the other end of pipette is mounted on slide assemblies；The slide assemblies are pacified by support frame as described above On the refrigerated cabinet, for realizing the separation or connection of the pipette and reagent bottle.

In the utility model, since pipette is the separation or connection realized by liquid sucting mechanism with reagent bottle, work as reagent After reagent in bottle is finished, opens refrigerated cabinet and drive pipette to separate with reagent bottle by slide assemblies, thus by reagent Bottle takes out；After novel agent bottle is put into refrigerated cabinet, pipette is driven to enter in reagent bottle again by slide assemblies, to incite somebody to action The reagent extracted in reagent bottle is tested, and the quick-replaceable of reagent bottle in refrigerated cabinet not only can be convenient for, but also The sealing effect of refrigerated cabinet can be improved.

It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not The application can be limited.

Detailed description of the invention

In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of structural schematic diagram for cold storage plant that an embodiment of the present invention provides；

Fig. 2 is the decomposition diagram of the cold storage plant in Fig. 1；

Fig. 3 is the diagrammatic cross-section of the cold storage plant in Fig. 1；

Fig. 4 is the decomposition diagram of the liquid sucting mechanism in Fig. 1；

Fig. 5 is the decomposition diagram of the support frame in Fig. 1；

Fig. 6 is the decomposition diagram of the plunger in Fig. 1；

Fig. 7 is the decomposition diagram of the slide assemblies in Fig. 1；

Fig. 8 is the structural schematic diagram of the sliding block in Fig. 1；

Fig. 9 is the decomposition diagram of the ejecting mechanism in Fig. 1；

Figure 10 is the diagrammatic cross-section of the ejecting mechanism in Fig. 1；

Figure 11 is the structural schematic diagram of the ejection axis in Fig. 1；

Figure 12 is enlarged diagram of the Figure 11 at A；

Figure 13 is the decomposition diagram of the ejection axle sleeve in Fig. 1；

Figure 14 is the decomposition diagram of the refrigerated cabinet in Fig. 1；

Figure 15 is the partially exploded diagram of the refrigerated cabinet in Fig. 1；

Figure 16 is the partially exploded diagram of the box-like body in Fig. 1；

Figure 17 is the partially exploded diagram of the chamber door in Fig. 1；

Figure 18 is the decomposition diagram of the radiator in Fig. 1.

Description of symbols:

100, refrigerated cabinet；101, imbibition pore；102, mounting portion；10, liquid sucting mechanism；11, support frame；111, guide rod is pacified Dress portion；12, slide assemblies；121, guide rod；122, sliding block；1221, sliding block driving section；1222a, pipette mounting portion；1222b, Limit hole；1223, sleeve receiving hole；123, shift fork；13, pipette；14, limit assembly；141, the first spring-loaded plunger；1411, Plunger body；1412, the first elastic component；1413, spacing ball；142, second spring plunger；20, ejecting mechanism；21, axis is ejected； 212, sliding rail；212a, the first track；212b, the second track；212c, third track；213, tight lock part；213a, locking Slot；214, the first blocking portion；215, the second blocking portion；216, third blocking portion；22, axle sleeve is ejected；222, Fastener；222a, Hook；222b, locking pin；223, pin hole；23, elastic component；30, radiator；31, radiator fan；32, cooling fin；321, it dissipates Heat channel；33, heat radiation rack；40, cooling piece；50, sleeve；60, box-like body；61, cabinet；611, sealing ring；612, left thermal insulation board； 613, rear thermal insulation board；614, right thermal insulation board；615, upper thermal insulation board；62, chamber door；621, thermal insulation board；622, door-plate；623, card reading Device；63, receiving cavity；70, temperature sensor；200, reagent bottle.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

It is also understood that in this utility model term used in the description merely for the sake of description specific embodiment Purpose and be not intended to limit the utility model.As used in the utility model specification and appended book Like that, other situations unless the context is clearly specified, otherwise " one " of singular, "one" and "the" are intended to include plural number Form.

It will be further appreciated that the term used in the utility model specification and appended book " and/ Or " refer to any combination and all possible combinations of one or more of associated item listed, and including these groups It closes.

As shown in Figure 1 to Figure 3, the cold storage plant of the application includes refrigerated cabinet 100 and liquid sucting mechanism 10, wherein refrigeration Cabinet 100 is mainly used for storing reagent bottle 200, and reagent bottle 200 is provided with reagent, such as latex reagent, blood sample or biology Preparation etc..In the present embodiment, refrigerated cabinet 100 is equipped with imbibition pore 101, and liquid sucting mechanism 10 includes support frame 11, sliding Component 12 and pipette 13, one end of pipette 13 is located in refrigerated cabinet 100 after passing through imbibition pore 101, for drawing examination Reagent in agent bottle 200.The other end of pipette 13 is mounted on slide assemblies 12, and slide assemblies 12 are installed by support frame 11 On refrigerated cabinet 100, for realizing the separation or connection of pipette 13 and reagent bottle 200.It is understood that company herein The connection being not necessarily referring to physically is connect, but pipette 13 is protruded into reagent bottle 200 and can be drawn.

After the above technical solution is adopted, after the reagent in reagent bottle 200 is finished, refrigerated cabinet 100 is opened, sliding is passed through Component 12 drives pipette 13 to separate with the reagent bottle 200 in refrigerated cabinet 100, so that reagent bottle 200 be taken out；When new examination After agent bottle 200 is put into refrigerated cabinet 100, pipette 13 is driven to enter in reagent bottle 200 again by slide assemblies 12, to take out It takes the reagent in reagent bottle 200 to be tested, the quick-replaceable of reagent bottle 200 in refrigerated cabinet 100 not only can be convenient for, And the sealing effect of refrigerated cabinet 100 can also be improved.

Specifically, slide assemblies 12 can be any one sliding equipment, such as lead screw assembly, line slide rail component or Guide rod component, the application are not intended to limit, and purpose is mainly for drive pipette 13 and the separation or connection of reagent bottle 200 It can.

Fig. 1 to Fig. 8 is please referred to, in an alternative embodiment, slide assemblies 12 include guide rod 121 and sliding block 122, are slided Pipette mounting portion 1222a and sliding block driving section 1221 are offered on block 122, sliding block 122 can be slided by sliding block driving section 1221 Dynamic to be mounted on guide rod 121, pipette 13 is mounted on pipette mounting portion 1222a.

Specifically, support frame 11 is of an L-shaped structure, and vertical end is connect with the side of refrigerated cabinet 100, horizontal ends and refrigeration The upper surface of cabinet 100 connects, and can make support frame 11 is stronger to be fixed on refrigerated cabinet 100.In the present embodiment, Support frame 11 is equipped with guide rod mounting portion 111 in the vertical direction, and guide rod 121 is fixed on guide rod installation in such a way that screw locks In portion 111, thus in order to which sliding block 122 is moved up and down along guide rod 121, and then pipette 13 and reagent bottle 200 is driven to be detached from Or enter in reagent bottle 200.

In an alternative embodiment, slide assemblies 12 are additionally provided with driving part, which is mounted on sliding block 122 Side, for realizing moving up and down for sliding block 122.Specifically, when slide assemblies 12 are lead screw assembly, driving part can be with For electric machine assembly, so as to realize automatically moving for sliding block 122；When slide assemblies 12 are slide track component or guide rod component When, driving part can be electric machine assembly, or the Power Components such as cylinder.In the present embodiment, driving part is setting Shift fork 123 in 122 side of sliding block realizes moving up and down for sliding block 122 by stirring shift fork 123, cold so as to reduce Hide the manufacturing cost of device.

In an alternative embodiment, support frame 11 is equipped with limit assembly 14, and sliding block 122 is in separate pipette 13 One end face is equipped with limiting section, and the position of limiting section is corresponding with the position of limit assembly 14.Specifically, limit assembly 14 includes two A plunger, respectively the first spring-loaded plunger 141 and second spring plunger 142, the first spring-loaded plunger 141 and second spring plunger 142 are correspondingly arranged at two extreme positions that sliding block 122 can be run.

Specifically, after the reagent of the reagent bottle 200 in refrigerated cabinet 100 is finished, refrigerated cabinet 100 is opened, is stirred Fork 123 moves up sliding block 122 along guide rod 121, and sliding block 122 drives pipette 13 to be detached from reagent bottle 200, to sliding block When limiting section on 122 engages with the first spring-loaded plunger 141, then it represents that sliding block 122 has been promoted in place, can decontrol sliding block 122 Reagent bottle 200 is taken out.After new reagent bottle 200 is put into refrigerated cabinet 100, stirs shift fork 123 and make sliding block 122 along leading Bar 121 moves down, and sliding block 122 drives pipette 13 to enter reagent bottle 200, to the limiting section and second spring on sliding block 122 When plunger 142 engages, then it represents that sliding block 122 has pushed in place, the door of refrigerated cabinet 100 can be closed, and replacement reagent is complete At.

After the above technical solution is adopted, the first bullet is respectively equipped on two extreme positions that can be run due to sliding block 122 Spring plunger 141 and second spring plunger 142, can not only realize the quick-replaceable of reagent bottle in refrigerated cabinet in this way, that is, decontrol Reagent bottle can be taken out after sliding block 122；And the sealing effect of refrigerated cabinet can also be improved, when pushing in place such as sliding block 122, The position that sliding block 122 is limited by second spring plunger 142, so that it is guaranteed that the sealing between sliding block 122 and refrigerated cabinet 100 Property.

In an alternative embodiment, limiting section is the limit hole 1222b being arranged on sliding block 122, the first spring stack Plug 141 includes plunger body 1411, the first elastic component 1412 and spacing ball 1413, in the present embodiment, 1413 activity of spacing ball It is mounted on the front end of plunger body 1411, the first elastic component 1412 is arranged between plunger body 1411 and spacing ball 1413, In, the structure of second spring plunger 142 is identical as the structure of the first spring-loaded plunger 141, the shape and spacing ball of limit hole 1222b 1413 shape matching, after the above technical solution is adopted, can not only reduce the friction between sliding block 122 and limit assembly 14, Sliding block 122 or 14 service life of limit assembly are improved, but also can reduce the manufacturing cost of cold storage plant.

In an alternative embodiment, refrigerated cabinet 100 is equipped with sleeve 50, wherein sleeve 50 is mounted on pipette On hole 101, pipette 13 is threaded through in sleeve 50.In the present embodiment, one end that sliding block 122 is abutted with sleeve 50 is equipped with sleeve Receiving hole 1223, the shape of sleeve 50 is in cone, the form and dimension of sleeve receiving hole 1223 and the shape of sleeve 50 and greatly Small matching, i.e. sleeve 50 cooperate with the face relative to each other of sleeve receiving hole 1223 in sealing is contacted, so as to improve refrigerating box The leakproofness of body 100 prevents the cold air in refrigerated cabinet 100 from overflowing by sleeve 50.

It please refers to Fig.1 to Fig.3, Fig. 9 to Figure 13, in an alternative embodiment, cold storage plant further includes ejecting mechanism 20, ejecting mechanism 20 is mounted in the one side of the opposite door of refrigerated cabinet 100, for realizing the automatic ejection of reagent bottle 200.

In an alternative embodiment, ejecting mechanism 20 includes ejection axis 21, ejects axle sleeve 22 and elastic component 23, In, elastic component 23 is mounted between ejection axis 21 and ejection axle sleeve 22, and one end of elastic component 23 is abutted with ejection axis 21, elasticity The other end of part 23 is abutted with ejection axle sleeve 22, and in the present embodiment, ejection axle sleeve 22 is equipped with Fastener 222, ejects axis 21 It is equipped with tight lock part 213；Fastener 22 is connected or separated with tight lock part 213, so that ejection axis 21 can along its axially direction It is flexible to be mounted in ejection axle sleeve 22；Ejection axle sleeve 22 is mounted on refrigerated cabinet 100, and ejection axis 21 is far from ejection axle sleeve 22 One end is located in refrigerated cabinet 100, for realizing the automatic ejection of reagent bottle 200.

Specifically, after the reagent of the reagent bottle 200 in refrigerated cabinet 100 is finished, refrigerated cabinet 100 is opened, by pressing Reagent bottle 200 is pressed so that Fastener 222 is separated with tight lock part 213, i.e. ejection axis 21 is in its axial direction relative to ejection Axle sleeve 22 is in elongation state, so that reagent bottle 200 is ejected a part, and then reagent bottle 200 is facilitated to take out.When new reagent bottle After 200 are put into refrigerated cabinet 100, reagent bottle 200 pushes ejection axis 21 to move along its axial direction, so that Fastener 222 and lock Tight portion 213 connects, i.e., ejection axis 21 is in its axial direction compressive state relative to ejection axle sleeve 22, so as to by new reagent Bottle 200 is put into refrigerated cabinet 100, then shuts the door of refrigerated cabinet 100, and replacement reagent is completed.

After the above technical solution is adopted, since reagent bottle 200 is to realize automatic ejection by ejecting mechanism 20, work as reagent bottle After reagent in 200 is finished, reagent bottle 200 can be taken out by operating ejecting mechanism 20, it on the one hand can be in order to refrigerating box The quick-replaceable of reagent bottle 200 in body 100, as one hand can take out reagent bottle；Still further aspect can also be improved refrigerating box The utilization rate of refrigerating space in body 100 reduces the pick-and-place area for being used for reagent bottle 200.

In an alternative embodiment, ejection axis 21 is equipped with the sliding rail 212 for being looped around 213 side of tight lock part, Wherein, Fastener 222 includes locking pin 222b and hook 222a, and in the present embodiment, ejection axle sleeve 22 is equipped with pin hole 223, One end of hook 222a is mounted in pin hole 223 by locking pin 222b, and the other end of hook 222a is moved along sliding rail 212 It is connected or separated afterwards with tight lock part 213.

Specifically, sliding rail 212 includes the first track 212a, the second track 212b and third track 212c, tight lock part The two sides that locking slot 213a, the first track 212a and third track 212c are located at locking slot 213a, locking slot are provided on 213 213a is arranged on one end of the second track 212b, and hook 222a passes through the other end of the first track 212a from the second track 212b Into in the second track 212b；One end of third track 212c is connect with the second track 212b, so that hook 222a is detached from lock It can enter in third track 212c from the second track 212b after tight slot 213a；The other end and the first track of third track 212c 212a connection, so that hook 222a enters in the first track 212a from third track 212c.

After the above technical solution is adopted, when ejecting axis 21 relative to axle sleeve 22 is ejected in elongation state, pressing ejection axis 21 move hook 222a along sliding rail 212, i.e. hook 222a is entered in the second track 212b by the first track 212a, It connects and is connected in locking slot 213a by the second track 212b again.When ejection axis 21 is in compressive state relative to ejection axle sleeve 22 When, i.e., hook 222a connects in locking slot 213a, makes hook 222a be detached from locking slot 213a by pressing ejection axis 21, then Entered in third track 212c by the second track 212b, under the elastic force effect of elastic component 23, hook 222a is from third track 212c is directly entered the first track 212a, to realize the function of ejecting mechanism 20.

In an alternative embodiment, sliding rail 212 is equipped with for preventing hook 222a from the second track 212b Into the first blocking portion 214 in the first track 212a, wherein the first blocking portion 214 is arranged in the first track 212a and second On the junction of track 212b.Specifically, the first blocking portion 214 and the first track 212a use chamfered transition, the first blocking portion 214 are connect with the second track 212b using 90 ° of angle.

In an alternative embodiment, sliding rail 212 is equipped with for preventing hook 222a from third track 212c Into the second blocking portion 215 in the second track 212b, wherein the second blocking portion 215 is arranged in the second track 212b and third On the junction of track 212c.Specifically, the second blocking portion 215 and the second track 212b use chamfered transition, the second blocking portion 215 are connect with third track 212c using 90 ° of angle.

In an alternative embodiment, sliding rail 212 is equipped with for preventing hook 222a from the first track 212c Third blocking portion 216 into third track 212b, wherein third blocking portion 216 is arranged in the first track 212a and third On the junction of track 212c.Specifically, third blocking portion 216 and third track 212c use chamfered transition, third blocking portion 216 are connect with the first track 212a using 90 ° of angle.

In an alternative embodiment, tight lock part 213 is heart-shaped structure, and the middle part of the heart-shaped structure is located at the second track On 212b.When hook 222a is when the first track 212b is mobile, since third blocking portion 216 and the first track 212b use 90 ° Angle connection, therefore hook 222a can only along the first track 212b enter the second track 212b, then be connected to heart-shaped knot The middle part of structure.After separation in the middle part of hook 222a and heart-shaped structure, since the first blocking portion 214 and the second track 212b use 90 ° of angle connection, and the second blocking portion 215 and the second track 212b be using chamfered transition, therefore hook 222a can only be along Second track 212b enters in third track 212c, is then entered in the first track 212a by third track 212c, that is, completed Entire sliding rail 212 is mobile.

In an alternative embodiment, ejection axis 21 is equipped with guide ledges 211, and ejection axle sleeve 22 is equipped with and guiding The matched guide groove 221 of boss 211.Specifically, the quantity of guide ledges 211 is two, two guide ledges 211 are symmetrically set Set ejection 21 two sides of axis, when eject axis 21 be mounted on ejection axle sleeve 22 when, two guide ledges 211 be respectively engaged with two it is right The guide groove 221 answered.

Refering to fig. 1 to Fig. 3, Figure 14 to Figure 17, in an alternative embodiment, refrigerated cabinet 100 includes box-like body 60, cooling piece 40 and radiator 30, wherein cooling piece 40 is mounted on the lower end of box-like body 60, radiator 30 and refrigeration Piece 40 connects.Wherein, the mode of refrigerated cabinet 100 is not limited to this, such as circulating pump refrigeration or artificial ice cube etc. of placing are made Cold mode.

In an alternative embodiment, cooling piece 40 is preferably semiconductor chilling plate, in the present embodiment, semiconductor system Cold chill surface is connect with the lower end of box-like body 60, and the heating face of semiconductor chilling plate is connect with radiator 30, so as to The heat that heating face is generated is taken away, and can not only realize the refrigeration effect of refrigerated cabinet 100 in this way, but also can enhance cold The airtightness of cabinet 100 is hidden, influence of the extraneous factor to reagent in reagent bottle is reduced.

In an alternative embodiment, radiator 30 includes radiator fan 31, cooling fin 32 and heat radiation rack 33, heat dissipation The one side of piece 32 is that the another side of cooling fin 32 is equipped with radiating groove 321.Specifically, the heating face of cooling piece 40 is fitted in heat dissipation The one side of 32 plane of piece, the another side of cooling fin 32 are mounted on one end of heat radiation rack 33, and radiator fan 31 is located at heat radiation rack 33 The other end on.

In an alternative embodiment, it is additionally provided with temperature sensor 70 on refrigerated cabinet 100, is set on refrigerated cabinet 100 There is mounting portion 102, temperature sensor 70 is installed on the mounting portion 102.Specifically, when temperature sensor 70 detects refrigerating box When temperature in body 100 is lower than the minimum temperature that reagent saves, pause cooling piece 40 freezes, and remains refrigerated cabinet 100 In preset temperature.When temperature sensor 70 detects the maximum temperature for being higher than refrigerated product preservation in refrigerated cabinet 100, close Close the work of cooling piece 40.

In an alternative embodiment, box-like body 60 includes cabinet 61 and chamber door 62, offers and is used on cabinet 61 The receiving cavity 63 of reagent bottle 200 is accommodated, the lid of chamber door 62 closes the opening in receiving cavity 63.Specifically, chamber door 62 is equipped with Thermal insulation board 621, the left end of cabinet 61 are equipped with left thermal insulation board 612, and the right end of cabinet 61 is equipped with right thermal insulation board 614, cabinet 61 it is upper End is equipped with upper thermal insulation board 615, and the rear end of cabinet 61 is equipped with rear thermal insulation board 613, and chamber door 62 and the junction of cabinet 61 are equipped with sealing Circle 611, not only the opening and closing of chamber door 62 can be made more steady, but also the leakproofness of chamber door 62 and cabinet 61, at the same use every Hot plate can obstruct receiving cavity 63 and extraneous heat exchange, it is ensured that the refrigeration effect of box-like body 60.

In an alternative embodiment, cold storage plant further includes card reader 623, which is embedded in chamber door 62, Dosage for reagent in detection reagent bottle 200.Specifically, chamber door 62 further includes door-plate 622, and card reader 623 is mounted on heat-insulated Between plate 621 and door-plate 622, and the tag match on card reader 623 and reagent bottle 200, when new reagent bottle 200 is put into receiving In cavity 63, card reader 623 can record and save the specifying information that the reagent bottle 200 is put into, and analyzer passes through suction each time When liquid pipe 13 extracts the solvent in reagent bottle 200, card reader 623 record after the information with the default number used of reagent bottle 200 Comparison, when analyzer is equal to default time used of reagent bottle 200 by the number that pipette 13 extracts 200 internal solvent of reagent bottle Number, card reader 623 feed this information to cold storage plant and user are reminded to replace reagent.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical Novel protection scope should be subject to the protection scope in claims.

Claims (14)

1. a kind of cold storage plant is stored for reagent characterized by comprising

Refrigerated cabinet, for storing reagent bottle, the refrigerated cabinet is equipped with imbibition pore；

One end of liquid sucting mechanism, including support frame, slide assemblies and pipette, the pipette passes through position after the imbibition pore In in refrigerated cabinet, the other end of pipette is mounted on slide assemblies；The slide assemblies are mounted on by support frame as described above On the refrigerated cabinet, for realizing the separation or connection of the pipette and reagent bottle.

2. cold storage plant according to claim 1, which is characterized in that the slide assemblies include guide rod and sliding block, described Pipette is installed on the sliding block, and the sliding block is movable to be installed on the guide rod, and the guide rod is fixed on the support On frame.

3. cold storage plant according to claim 2, which is characterized in that the slide assemblies further include driving part, described Driving part is mounted on the side of sliding block, for realizing moving up and down for sliding block.

4. cold storage plant according to claim 2 or 3, which is characterized in that support frame as described above is equipped with described for limiting The mobile limit assembly of sliding block, the sliding block are equipped with limiting section, the position of the limiting section on the end face far from pipette It is corresponding with the position of limit assembly.

5. cold storage plant according to claim 4, which is characterized in that the limit assembly includes two plungers, two institutes State the both ends that plunger is separately mounted to support frame.

6. cold storage plant according to claim 5, which is characterized in that the limiting section is the limit being arranged on sliding block The front end in hole, the plunger is equipped with spacing ball, and the shape of the spacing ball is matched with the shape of limit hole.

7. cold storage plant according to claim 1, which is characterized in that the refrigerated cabinet is equipped with sleeve, the sleeve It is mounted on imbibition pore, the pipette is threaded through in the sleeve.

8. cold storage plant according to claim 1, which is characterized in that the cold storage plant further includes for realizing reagent bottle The ejecting mechanism of automatic ejection, the ejecting mechanism are mounted on the refrigerated cabinet.

9. cold storage plant according to claim 8, which is characterized in that the ejecting mechanism includes ejection axis, ejection axle sleeve And elastic component, the elastic component are mounted between ejection axis and ejection axle sleeve, the ejection axis is installed by the ejection axle sleeve On the refrigerated cabinet.

10. cold storage plant according to claim 9, which is characterized in that the ejection axle sleeve is equipped with Fastener, the top Shaft, which is equipped with, is equipped with tight lock part with the matched sliding rail of hook, the sliding rail, and the Fastener is along the sliding Track it is mobile and and lock portion from or connection.

11. cold storage plant according to claim 1, which is characterized in that the refrigerated cabinet includes box-like body, cooling piece And radiator, the cooling piece are mounted on the lower end of the box-like body, the radiator is connect with cooling piece.

12. cold storage plant according to claim 11, which is characterized in that the radiator includes cooling fin and radiation air Fan, one end of the cooling fin are connect with the cooling piece, and the other end of the cooling fin is connect with the radiator fan.

13. cold storage plant according to claim 12, which is characterized in that be additionally provided with temperature sensing on the refrigerated cabinet Device, the refrigerated cabinet are equipped with mounting portion, and the temperature sensor is installed on the mounting portion.

14. cold storage plant according to claim 11, which is characterized in that further include for reagent dosage in detection reagent bottle Card reader, the box-like body includes chamber door, and the card reader is embedded in chamber door.