阅读说明：本技术 一种实验室用试剂存放柜 (Reagent storing compartment is used in laboratory ) 是由 魏涛 范小娟 于 2020-06-12 设计创作，主要内容包括：本发明提供一种实验室用试剂存放柜,包括：柜体,其内设置有若干分隔板,以将柜体分隔成若干独立的存放室；通风系统,其包括进气系统和抽气系统,柜体的两侧壁分别设置有进气通道和排气通道,进气系统与进气通道连接,抽气系统与排气通道连接；气流自进气通道沿与其对应的存放室朝向排气通道流动；及制冷系统,设置于柜体的底部,用于对柜体制冷；制冷系统内设置有盘旋导气管,盘旋导气管的进气端与进气系统连接,盘旋导气管的出气端与进气通道连接。通过通风系统、进气通道、排气通道与若干独立的存放室组成多个独立的气流通道；通过制冷系统对盘旋导气管内的气流制冷,从而降低了通风系统流经柜体内各存放室的气流温度,安全环保。(The invention provides a reagent storage cabinet for a laboratory, which comprises: the cabinet body is internally provided with a plurality of partition plates so as to divide the cabinet body into a plurality of independent storage chambers; the ventilation system comprises an air inlet system and an air exhaust system, wherein an air inlet channel and an air exhaust channel are respectively arranged on two side walls of the cabinet body, the air inlet system is connected with the air inlet channel, and the air exhaust system is connected with the air exhaust channel; the airflow flows from the air inlet channel to the air outlet channel along the storage chamber corresponding to the air inlet channel; the refrigerating system is arranged at the bottom of the cabinet body and is used for refrigerating the cabinet body; the air inlet end of the spiral air duct is connected with the air inlet system, and the air outlet end of the spiral air duct is connected with the air inlet channel. A plurality of independent airflow channels are formed by the ventilation system, the air inlet channel, the air outlet channel and a plurality of independent storage chambers; the air flow in the spiral air guide pipe is refrigerated through the refrigerating system, so that the temperature of the air flow flowing through each storage chamber in the cabinet body of the ventilating system is reduced, and the cabinet is safe and environment-friendly.)

1. A reagent storage cabinet for a laboratory, comprising:

the cabinet body (1) is internally provided with a plurality of partition plates (4) to divide the cabinet body (1) into a plurality of independent storage chambers (5);

the ventilating system (2) comprises an air inlet system (21) and an air exhaust system (22), an air inlet channel (6) and an air exhaust channel (7) are respectively arranged on two side walls of the cabinet body (1), the air inlet system (21) is connected with the air inlet channel (6), and the air exhaust system (22) is connected with the air exhaust channel (7); the air flow flows from the air inlet channel (6) along the storage chamber (5) corresponding to the air inlet channel towards the air outlet channel (7); and

the refrigerating system (3) is arranged at the bottom of the cabinet body (1) and is used for refrigerating the cabinet body (1);

be provided with in refrigerating system (3) and circle air duct (8), the inlet end that circles air duct (8) with air intake system (21) are connected, the end of giving vent to anger that circles air duct (8) with inlet channel (6) are connected.

2. The laboratory reagent holding cabinet according to claim 1, wherein each holding compartment (5) is provided with a plurality of first air vents (51) at a side close to the air inlet channel (6), each first air vent (51) being provided with a first one-way air valve for allowing air flow from the air inlet channel (6) towards the holding compartment (5);

a plurality of second air holes (52) are formed in one side, close to the exhaust channel (7), of each storage chamber (5), and a second one-way air valve is arranged on each second air hole (52) so that air flows from the storage chambers (5) to the exhaust channel (7).

3. The laboratory reagent storage cabinet according to claim 1, wherein one end of each partition plate (4) facing the inner side of the cabinet body (1) in depth is provided with a horizontal boss (41), a hollow airflow chamber (42) is arranged in the horizontal boss (41), and one end of the airflow chamber (42) is communicated with the air inlet channel (6); the side wall of the airflow cavity (42) is provided with a plurality of third air holes (43), and the third air holes (43) are provided with a plurality of third one-way air valves so that airflow flows from the airflow cavity (42) to the corresponding storage chambers (5).

4. Laboratory reagent storage cabinet according to claim 1, characterized in that the storage compartment (5) comprises:

the reagent storage box comprises a first storage chamber (53), wherein a plurality of reagent storage boxes (531) are arranged in the first storage chamber, a plurality of slide ways (532) are arranged on a partition plate in the first storage chamber along the depth direction, and each reagent storage box (531) is slidably arranged in the corresponding slide way (532);

the second storage chamber (54) is provided with a plurality of partition barrier strips (541) along the depth direction on the partition plate in the second storage chamber (54) so as to partition the second storage chamber (54) into a plurality of storage areas.

5. The laboratory reagent storage cabinet according to claim 4, wherein two side walls of each of the slide tracks (532) are provided with a slide groove (533), two sides of the reagent storage box (531) are provided with a slide block (534), and the slide blocks are symmetrically arranged on one end of the reagent storage box (531) facing the inner side of the depth of the storage chamber (5), and each of the slide blocks (534) is inserted into the corresponding slide groove (533) and moves along the slide groove (533).

6. The laboratory reagent storage cabinet according to claim 5, wherein each of the sliding grooves (533) is provided with an elastic connecting member (535), one end of each of the elastic connecting members (535) is fixedly connected to one end of the sliding groove (533), and the other end of each of the elastic connecting members abuts against the corresponding sliding block (534).

7. The laboratory reagent storage cabinet according to claim 1, wherein an air inlet pipe (61) is arranged on one side of the bottom of the air inlet channel (6), a first gas flow meter (62) and an air inlet valve (63) are arranged on the air inlet pipe (61), one end of the air inlet pipe (61) is connected with an air inlet system (21), and the other end of the air inlet pipe is respectively connected with the spiral air guide pipe (8) and the air inlet channel (6) through a control valve;

an exhaust pipe (71) is arranged on one side of the top of the exhaust channel (7), a second gas flowmeter (72) and an exhaust valve (73) are arranged on the exhaust pipe (71), and one end of the exhaust pipe (71) is connected with an air exhaust system (22).

8. The laboratory reagent storage cabinet according to claim 7, wherein the exhaust pipe (71) is provided with an alarm (74) for detecting the concentration of combustible gas;

the exhaust pipe (71) is connected with a filter box (75), and one side, far away from the exhaust pipe (71), of the filter box (75) is connected with the air exhaust system (22).

9. Laboratory reagent storage cabinet according to claim 1, characterized in that the refrigeration system (3) comprises:

a tank (31) filled with an antifreeze;

the air duct supporting piece (32) is formed by enclosing 4 punching plates, is arranged in the middle of the box body (31) and is used for fixing the spiral air duct (8); and

and a refrigerator (33) which is provided at the bottom of the box body (31) and is used for refrigerating the antifreeze.

10. The laboratory reagent storage cabinet according to claim 9, wherein a first propeller (34) is disposed on one side of the top of the box body (31), a second propeller (35) is disposed on one side of the bottom of the box body (31), and the first propeller (34) and the second propeller (35) are disposed on two ends of the box body (31) respectively and are used for propelling the antifreeze solution to flow circularly.

Technical Field

The invention belongs to the technical field of chemical experimental equipment, and particularly relates to a high-safety reagent storage cabinet for a laboratory.

Background

In chemical experiments, a large amount of chemical reagents are usually required, and because different chemical reagents have different physicochemical properties, two points are usually required to be noticed during the storage process: firstly, acid and alkali are different cabinets; the second is the principle of upper solid-lower liquid. When the solid reagent and the liquid reagent are stored in one reagent storage cabinet at the same time, the liquid reagent at the bottom of the reagent storage cabinet continuously volatilizes, so that the solid reagent at the top of the reagent storage cabinet is affected along with the prolonging of the storage time, and slow chemical reactions such as decomposition, change of chemical characteristics and the like occur; or a physical reaction such as moisture absorption, etc. In addition, a plurality of liquid reagents are stored in the reagent storage cabinet for a long time, and along with the mixing of volatilized liquid reagents, certain chemical reactions often occur in the air, and even potential safety hazards such as fire disasters and the like are easy to occur due to the fact that the concentration of flammable liquid volatilized into the reagent storage cabinet is too high.

In order to solve the safety hazard, a ventilation system is installed in the reagent storage cabinet, however, the airflow of the ventilation system flows from the bottom side of the reagent storage cabinet to the top of the reagent storage cabinet, and the airflow tends to flow from the liquid reagent to the solid reagent, which affects the long-term storage of the solid reagent. Therefore, it is necessary to improve the ventilation structure of the reagent storage cabinet to facilitate long-term storage of solid reagents and liquid reagents.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a reagent storage cabinet for a laboratory, in which a ventilation system is added in a cabinet body to enable an airflow to flow from an air inlet channel to an air outlet channel along a storage chamber corresponding to the air inlet channel, so that the airflow in the corresponding storage chamber is in a substantially horizontal flow direction, and does not affect reagents in adjacent storage chambers, thereby solving a problem that a liquid reagent in an existing reagent storage cabinet is likely to flow towards a solid reagent during a volatilization process to affect long-term storage of the solid reagent.

Another object of the present invention is to provide a reagent storage cabinet for laboratories with high safety, in which a refrigeration system is added at the bottom of the cabinet body, and the refrigeration system is used to refrigerate the air flow in the spiral air duct, so as to reduce the temperature of the air flow passing through each storage chamber in the cabinet body by the ventilation system, thereby avoiding the potential safety hazard caused by the volatilization of flammable liquid, and improving the safety of the reagent storage cabinet.

In order to achieve the above object, the technical solution of the present invention is as follows.

A reagent holding cabinet for a laboratory, comprising:

the cabinet body is internally provided with a plurality of partition plates so as to divide the cabinet body into a plurality of independent storage chambers;

the ventilation system comprises an air inlet system and an air exhaust system, wherein an air inlet channel and an air exhaust channel are respectively arranged on two side walls of the cabinet body, the air inlet system is connected with the air inlet channel, and the air exhaust system is connected with the air exhaust channel; the airflow flows from the air inlet channel to the air outlet channel along the storage chamber corresponding to the air inlet channel; and

the refrigerating system is arranged at the bottom of the cabinet body and is used for refrigerating the cabinet body;

the refrigerating system is internally provided with a spiral air duct, the air inlet end of the spiral air duct is connected with the air inlet system, and the air outlet end of the spiral air duct is connected with the air inlet channel.

Furthermore, one side of each storage chamber, which is close to the air inlet channel, is provided with a plurality of first air holes, and each first air hole is provided with a first one-way air valve so that air flow flows from the air inlet channel to the storage chambers;

a plurality of second air holes are formed in one side, close to the exhaust channel, of each storage chamber, and a second one-way air valve is arranged on each second air hole, so that air flows from the storage chambers to the exhaust channel.

Furthermore, a horizontal boss is arranged at one end of each partition plate facing the inner side of the depth of the cabinet body, a hollow airflow cavity is arranged in each horizontal boss, and one end of each airflow cavity is communicated with the air inlet channel; the side wall of the airflow cavity is provided with a plurality of third air holes, and the third air holes are provided with a plurality of third one-way air valves so that airflow flows from the airflow cavity to the storage chambers corresponding to the airflow cavity.

Specifically, be provided with dry box on the horizontal boss, be provided with allochroic silica gel or active carbon in the dry box.

Further, the storage compartment includes:

the reagent storage box comprises a first storage chamber, a second storage chamber and a plurality of reagent storage boxes, wherein the first storage chamber is internally provided with a plurality of reagent storage boxes, a plurality of slide ways are arranged on a partition plate in the first storage chamber along the depth direction, and each reagent storage box is slidably arranged in the corresponding slide way;

and a plurality of separating barrier strips are arranged on the separating plate in the second storage chamber along the depth direction so as to separate the second storage chamber into a plurality of storage areas.

Furthermore, the two side walls of each slide way are provided with sliding grooves, the two sides of each reagent storage box are provided with sliding blocks which are symmetrically arranged at one end of each reagent storage box, which faces the inner side of the depth of the storage chamber, and each sliding block is inserted into the corresponding sliding groove and moves along the sliding groove.

Furthermore, each sliding groove is internally provided with an elastic connecting piece, one end of each elastic connecting piece is fixedly connected with one end of each sliding groove, and the other end of each elastic connecting piece is abutted against the corresponding sliding block.

Specifically, one end of the reagent storage box is abutted against the horizontal boss, and the other end of the reagent storage box is provided with a recording card for marking the types of the reagents stored in the reagent storage box.

Further, an air inlet pipe is arranged on one side of the bottom of the air inlet channel, a first gas flowmeter and an air inlet valve are arranged on the air inlet pipe, one end of the air inlet pipe is connected with an air inlet system, and the other end of the air inlet pipe is respectively connected with the spiral air guide pipe and the air inlet channel through a control valve;

and an exhaust pipe is arranged on one side of the top of the exhaust channel, a second gas flowmeter and an exhaust valve are arranged on the exhaust pipe, and one end of the exhaust pipe is connected with an air exhaust system.

Furthermore, an alarm is arranged on the exhaust pipe and used for detecting the concentration of the combustible gas;

the exhaust pipe is connected with a filter box, and one side of the filter box, which is far away from the exhaust pipe, is connected with the air exhaust system.

Further, the refrigeration system includes:

a tank filled with an antifreeze;

the air duct supporting piece is formed by enclosing 4 punching plates, is arranged in the middle of the box body and is used for fixing the spiral air duct; and

and the refrigerator is arranged at the bottom of the box body and is used for refrigerating the anti-freezing solution.

Furthermore, a first propeller is arranged on one side of the top of the box body, a second propeller is arranged on one side of the bottom of the box body, and the first propeller and the second propeller are respectively arranged at two ends of the box body and used for pushing the anti-freezing solution to flow circularly.

The invention has the beneficial effects that:

1. according to the reagent storage cabinet for the laboratory, the cabinet body is divided into the plurality of independent storage chambers, so that different reagents are respectively placed, and the reagent storage cabinet is more beneficial to the management of the reagents in the laboratory. And the air inlet channels and the air outlet channels are positioned at two sides of the cabinet body, a plurality of independent airflow channels are formed by the air inlet channels and the independent storage chambers, and airflow enters the air inlet channels from the air inlet system and flows towards the air outlet channels through the air inlet channels along the storage chambers corresponding to the air inlet channels, so that the airflow in the corresponding storage chambers basically horizontally flows, and the reagent in the adjacent storage chambers cannot be influenced. The problem of among the current reagent storing compartment lower floor liquid reagent volatilize towards upper solid reagent and then influence upper solid reagent and deposit for a long time is solved, the space utilization is reasonable, simple structure, and safety ring protects.

2. According to the reagent storage cabinet for the laboratory, the refrigeration system is additionally arranged at the bottom of the cabinet body, and the air flow in the spiral air guide pipe is refrigerated through the refrigeration system, so that the temperature of the air flow flowing through each storage chamber in the cabinet body by the ventilation system is reduced, further potential safety hazards caused by volatilization of flammable liquid are avoided, and the safety of the reagent storage cabinet is improved; and the air-cooled refrigeration mode can avoid frost gas in the reagent storage cabinet.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the cabinet and the partition plates according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a portion B in fig. 3.

FIG. 5 is a schematic view showing the construction of the reagent storage case of FIG. 1.

Fig. 6 is a schematic diagram of the operation of the air intake system and the refrigeration system of fig. 1.

In the figure: 1. a cabinet body; 2. a ventilation system; 21. an air intake system; 22. an air extraction system; 3. a refrigeration system; 31. a box body; 32. an airway tube support; 33. a refrigerator; 34. a first propeller; 35. a second propeller; 4. a partition plate; 41. a horizontal boss; 42. a gas flow chamber; 43. a third air hole; 5. a storage chamber; 51. a first air hole; 52. a second air hole; 53. a first storage chamber; 531. a reagent storage box; 532. a slideway; 533. a chute; 534. a slider; 535. an elastic connecting member; 54. a second storage chamber; 541. separating barrier strips; 6. an air intake passage; 61. an air inlet pipe; 62. a first gas flow meter; 63. an intake valve; 7. an exhaust passage; 71. an exhaust pipe; 72. a second gas flow meter; 73. an exhaust valve; 74. an alarm; 75. a filter cartridge; 8. the air duct is coiled.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a schematic structural diagram of a reagent storage cabinet for a laboratory according to an embodiment of the present invention is shown, the reagent storage cabinet is mainly used in a laboratory, and includes a cabinet body 1, a ventilation system 2, and a refrigeration system 3.

A plurality of partition plates 4 are arranged in the cabinet body 1 to divide the cabinet body 1 into a plurality of independent storage chambers 5; for example, according to the solid-liquid characteristics of the stored reagent, the solid reagent can be stored in the upper storage chamber, the liquid reagent can be stored in the lower storage chamber, and the liquid reagents can be layered according to the bottled size of the liquid reagent, such as 500mL, 2.5L, 5L, etc., so as to facilitate the storage and management of the reagent.

Referring to fig. 1 and fig. 6 together, the ventilation system 2 includes an air intake system 21 and an air exhaust system 22, two side walls of the cabinet 1 are respectively provided with an air intake passage 6 and an air exhaust passage 7, the air intake system 21 is connected with the air intake passage 6, and the air exhaust system 22 is connected with the air exhaust passage 7; the airflow flows from the intake passage 6 toward the exhaust passage 7 along the storage chamber 5 corresponding thereto. For example, a plurality of first air holes 51 are formed in one side of each storage chamber 5, which is close to the air inlet channel 6, and a first one-way air valve is arranged on each first air hole 51, so that air flows from the air inlet channel 6 to the storage chamber 5; a plurality of second air holes 52 are formed in one side of each storage chamber 5, which is close to the exhaust passage 7, and a second one-way air valve is arranged on each second air hole 52, so that air flows from the storage chamber 5 to the exhaust passage 7.

In this embodiment, through separating into a plurality of independent storage chambers with the cabinet body, realize depositing the classification of different reagents, more be favorable to the management of reagent in the laboratory. And be located the inlet channel and the exhaust passage of cabinet body both sides, a plurality of independent airflow channel have been constituteed jointly with each independent deposit room, the air current gets into inlet channel from air intake system, flow towards exhaust passage along the deposit room rather than corresponding through inlet channel, then make the air current that corresponds in the deposit room be horizontal flow direction basically, and can not exert an influence to the reagent in the adjacent deposit room, the problem of current reagent cabinet middle and lower floor liquid reagent volatilizees towards upper solid reagent and then influences the long-term deposit of upper solid reagent has been solved, the space utilization is reasonable, moreover, the steam generator is simple in structure, and safety and environmental protection.

Referring to fig. 6 again, the refrigeration system 3 is disposed at the bottom of the cabinet 1 for refrigerating the cabinet 1; a spiral air duct 8 is arranged in the refrigerating system 3, the air inlet end of the spiral air duct 8 is connected with an air inlet system 21, and the air outlet end of the spiral air duct 8 is connected with an air inlet channel 6. The air flow in the spiral air guide pipe is refrigerated by the refrigerating system positioned at the bottom of the cabinet body, so that the temperature of the air flow is reduced after the air flow passes through the spiral air guide pipe, the temperature of the air flow in each independent air flow channel is reduced, the potential safety hazard caused by volatilization of flammable liquid is avoided, and the safety of the reagent storage cabinet is improved; and the air-cooled refrigeration mode can avoid frost gas in the reagent storage cabinet.

The refrigeration system 3 includes a tank 31, an airway support 32, and a refrigerator 33.

The box body 31 is filled with antifreeze; the antifreezing solution can be a mixed solution of water and alcohol, and can also be other liquids which accord with the refrigeration temperature of the reagent. The refrigerator 33 is provided at the bottom of the tank 31 and cools the antifreeze.

The air duct support piece 32 is formed by enclosing 4 punching plates, is arranged in the middle of the box body 31 and is used for fixing the spiral air duct 8; the air duct 8 that spirals sets up in the middle part of box 31, can play the fixed effect of support to the air duct that spirals through air duct support piece on the one hand, and on the other hand antifreeze can get into air duct support piece through the hole on the board that punches a hole to form the refrigeration to the gas in the air duct that spirals.

Specifically, a first propeller 34 is disposed on one side of the top of the box 31, a second propeller 35 is disposed on one side of the bottom of the box 31, and the first propeller 34 and the second propeller 35 are disposed at two ends of the box 31 respectively and are used for pushing the antifreeze to flow circularly. The first propeller and the second propeller are used for propelling the anti-freezing solution in the box body, so that the anti-freezing solution circularly flows in the box body, and the temperature of the anti-freezing solution is kept uniform when the anti-freezing solution is refrigerated by the refrigerator, so that the temperature of gas in the spiral gas guide pipe is uniform, and the phenomenon that the ice is condensed due to too low local temperature to influence the refrigeration effect of the anti-freezing solution can be avoided.

Referring to fig. 2, 4 and 6, a horizontal boss 41 is disposed at one end of each partition plate 4 facing the inner side of the depth of the cabinet 1, a hollow airflow chamber 42 is disposed in the horizontal boss 41, and one end of the airflow chamber 42 is communicated with the air inlet channel 6; the sidewall of the airflow chamber 42 is provided with a plurality of third air holes 43, and the third air holes 43 are provided with a plurality of third one-way air valves, so that the airflow flows from the airflow chamber 42 to the corresponding storage chamber 5. In use, in order to allow the air flow in the air inlet passage 6 to partially enter the corresponding storage chamber 5 along the first air hole 51, partially enter the air flow chamber 42 in the horizontal boss and enter the corresponding storage chamber 5 along the third air hole 43, the air flow in the corresponding storage chamber 5 is accelerated, and the flowing protective atmosphere in the corresponding storage chamber 5 is facilitated to be formed. The air flow entering the storage chamber 5 flows into the exhaust channel 7 along the second air hole 52, so that the protective air flow flows, and a negative pressure environment or a high pressure environment is prevented from being formed in the reagent cabinet.

Specifically, a drying box is arranged on the horizontal boss 41, and allochroic silica gel or active carbon is arranged in the drying box. For example, the top of horizontal boss is provided with the spacing recess of being convenient for place dry box, and spacing recess matches in the size of dry box. Placed dry box on the horizontal boss that corresponds, carry out the drying to the deposit room through allochroic silica gel or active carbon in the dry box, avoid the moisture to produce the influence to the reagent in the deposit room.

Referring to fig. 6 again, an air inlet pipe 61 is arranged on one side of the bottom of the air inlet channel 6, a first gas flowmeter 62 and an air inlet valve 63 are arranged on the air inlet pipe 61, one end of the air inlet pipe 61 is connected with the air inlet system 21, and the other end is respectively connected with the spiral air duct 8 and the air inlet channel 6 through a control valve; the air inlet system 21 may be a conventional air inlet line for supplying protective gas. The air inlet system is connected with the spiral air duct through the air inlet pipe and communicated with the air inlet channel through the spiral air duct, so that the air flow entering the storage chamber can be refrigerated.

An exhaust pipe 71 is arranged on one side of the top of the exhaust channel 7, a second gas flow meter 72 and an exhaust valve 73 are arranged on the exhaust pipe 71, and one end of the exhaust pipe 71 is connected with the air extraction system 22. The gas pumping system may be a conventional pumping line for pumping the protective gas in the exhaust passage to form a flowing protective atmosphere.

Specifically, the exhaust pipe 71 is provided with an alarm 74 for detecting the concentration of the combustible gas; the exhaust pipe 71 is connected with a filter box 75, and one side of the filter box 75 far away from the exhaust pipe 71 is connected with the air exhaust system 22. Because deposit and have multiple solid reagent and liquid reagent in the storage chamber, liquid reagent has certain volatility usually, and volatile liquid enters into exhaust passage along with the air current in, can gather in exhaust passage, often there is certain potential safety hazard when reaching certain concentration, therefore be connected with the alarm that is used for detecting combustible gas concentration on the blast pipe, when combustible gas reaches certain concentration, the alarm can send alarm signal, reach safety monitoring's purpose, ensure the high security in laboratory. The filter box is internally provided with an adsorbent for adsorbing harmful gas so as to reduce the concentration of the harmful gas entering the air exhaust system and realize primary filtration and adsorption of the harmful gas.

Referring to fig. 1 to 5, the storage compartment 5 includes a first storage compartment 53 and a second storage compartment 54. The first storage chamber 53 is provided above the second storage chamber 54, the first storage chamber 53 is mainly used for storing solid reagents and liquid reagents bottled in 500mL bottles, and the second storage chamber 54 is mainly used for storing liquid reagents bottled in 2.5L and 5L bottles. In this embodiment, the first storage chamber has 3 levels, and the second storage chamber has 1 level, and can be increased or decreased according to specific needs.

A plurality of reagent storage boxes 531 are disposed in the first storage chamber 53, a plurality of slideways 532 are disposed on a partition plate in the first storage chamber in the depth direction, and each reagent storage box 531 is slidably disposed in the corresponding slideway 532. For example, two side walls of each slide 532 are provided with sliding grooves 533, two sides of the reagent storage box 531 are provided with sliders 534, and the sliders 534 are symmetrically disposed on one end of the reagent storage box 531 facing the inner side of the storage chamber 5, and each slider 534 is inserted into the corresponding sliding groove 533 and moves along the sliding groove 533. When the reagent storage box is used, the sliders 534 at both sides of the reagent storage box 531 slide into the slide grooves 533 at both sides of the corresponding slide groove 532, so that the reagent storage box can stably slide in the corresponding slide groove. Because specific fixed reagent or the bottled liquid reagent of tiny is deposited in the reagent case, have certain weight, through the setting of slider and spout, can make the slip of reagent case more stable, avoid its roll-off slide and produce the potential safety hazard.

Specifically, each sliding groove 533 is provided with an elastic connector 535 therein, one end of each elastic connector 535 is fixedly connected to one end of the sliding groove 533, and the other end of each elastic connector 535 abuts against the corresponding sliding block 534. The elastic connecting piece is a spring, one side of the sliding groove, which is close to the outside, is provided with a blocking wall, one end of the spring is fixedly arranged on the blocking wall, and the other end of the spring is abutted against the sliding block. When the reagent storage box is used, the reagent storage box is pulled outwards so as to take out the corresponding reagent, and at the moment, the spring is extruded to generate the return elastic force towards the inner side; when the reagent storage box is pushed and pulled inwards, the reset elasticity of the spring reduces the manual push-pull acting force, and the reagent storage box is helped to reset inwards. Thereby avoiding the reagent storage box from separating from the corresponding slide way, achieving the purpose of saving labor and being more convenient to use.

For recording convenience, one end of the reagent storage box 531 abuts against the horizontal boss 41, and the other end is provided with a recording card for marking the types of the reagents stored in the reagent storage box 531, so that the reagents stored in the reagent storage box can be conveniently recorded and accessed, and the reagent access efficiency is improved.

A plurality of partition bars 541 are provided on the partition plate in the second storage chamber 54 in the depth direction to partition the second storage chamber 54 into a plurality of storage areas. Through separating into a plurality of districts of depositing with the second deposit room to in classifying to deposit big bottle reagent, thereby can improve the efficiency of access effectively.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.