CN207415418U - Glove box - Google Patents

Abstract

The utility model discloses a kind of glove box, the problems such as solving harmful substance leakage preventing device in the prior art air flow method is uneven during the experiment, technical solution is：Including operating babinet, operating babinet includes exposure chamber, the both sides up and down of operation babinet are respectively arranged with an inlet chamber and a support component, powered air-purifying device is installed in inlet chamber, support component includes supporting rack and object placing cavity, exhaust-air filter is installed in object placing cavity, powered air-purifying device and exhaust-air filter are connected with exposure chamber, homogenizing plate is provided at the top of operation babinet, homogenizing plate is located at powered air-purifying device lower position and homogenizing plate is connected with powered air-purifying device, and homogenizing plate is connected with the exposed chamber.The design of the technical essential, air-tightness is good, and can be flowed to entering exposed intracavitary air-flow, avoids hazardous materials spillage.

Description

glove box

technical field

The utility model relates to a biosafety device for testing and analyzing pathogenic microorganisms, in particular to a glove box.

Background technique

At present, in order to quickly and accurately diagnose infectious diseases, it is often necessary to conduct a comprehensive inspection and analysis of pathogenic microorganisms. In view of the fact that pathogenic microorganisms are pathogenic microorganisms to humans and animals, they are easy to cause infections and even infectious diseases. Therefore, during the detection and experimentation of pathogenic microorganisms, it is easy to form harmful bioaerosols. If harmful bioaerosols spread into the laboratory, it will greatly increase the risk of disease infection for staff and seriously threaten The personal safety of the staff may even cause serious pollution to the laboratory itself and the surrounding environment, causing major public health incidents. Therefore, in order to ensure the personal safety of the staff, it is necessary to establish a sealed and reliable inspection operating environment when testing pathogenic microorganisms. When operating strong pathogenic microorganisms that can cause (very) serious diseases in humans or animals, it is usually necessary It is completely isolated and operated in a high-level biosafety isolator or operation box with extremely high biosafety performance.

However, at present, my country mainly adopts the primary protective barriers mainly of Class II biological safety cabinets for pathogenic microorganism operations. The working windows of these biological safety cabinets only use airflow to prevent the leakage of harmful substances in the cabinets, but the toxic and harmful particles inside are easy to cause Improper operation of personnel causes unfiltered leakage to the outside, causing pollution to the experimental site itself and the surrounding environment, and seriously endangering the personal safety of the experimental personnel.

The utility model patent with the application number 201621052174.3 discloses a "biological safety glove box type isolator", which mainly installs filter devices at the air supply port and the air exhaust port to efficiently filter the air supply and exhaust air, and connects at the same time There is an instrument filter and a pressure difference detection port, which can perform in-situ leak detection, and a disinfection device is installed for disinfection, and the operation box is equipped with operating gloves and a transfer bucket, and airtight doors are installed on the left and right sides of the transfer channel. No direct contact with the experimental items and air-tight delivery of the items, avoiding the spread of harmful substances formed during the inspection operation to the experimental site, preventing pollution to the surrounding environment, and ensuring the personal safety of the staff, etc.

However, during the working process of this utility model, the gas enters directly from the position of the air supply filter device, and the entering gas cannot achieve uniform flow, and it is easy to affect the experimental results due to uneven air distribution; at the same time, the utility model needs to be cleaned. , it is necessary to fully open the equipment door to clean its interior, and the operation is complicated.

Utility model content

In view of the deficiencies in the prior art, the purpose of the utility model is to provide a glove box with uniform air distribution, easy cleaning and convenient operation under the condition of ensuring no leakage of harmful substances.

In order to achieve the above purpose, the utility model provides the following technical solutions: a glove box, including an operation box, the operation box includes an exposure cavity, and an air inlet cavity and a A support assembly, the air supply filter device is installed in the air intake chamber, the support assembly includes a support frame and a storage chamber, an exhaust air filter device is installed in the storage chamber, the air supply filter device and the exhaust air filter device The air filter devices are all in communication with the exposure chamber, and the top of the operation box is provided with a flow equalizer, which is located below the air supply filter device and is connected to the air supply. The filtering device is connected, and the flow equalizer is connected with the exposure chamber;

The equalizer plate is configured to equalize the airflow sent into the exposure chamber by the air supply filter device.

By adopting the above-mentioned technical scheme and setting of the equalizer plate, the airflow sent by the air supply filter device to the exposure chamber is evenly distributed, so that the parameters of the animals or experimental equipment are consistent during the experiment, and the accuracy of the experiment is improved.

The utility model is further configured as follows: the bottom of the operation box is provided with an exhaust plate, and the exhaust plate communicates with the exposure cavity;

The bottom of the exposure chamber is provided with an air pumping chamber, the air pumping chamber communicates with the exhaust plate, the air pumping chamber is provided with a plurality of circulation ports, and the plurality of circulation ports are arranged along the Even in the length direction;

The exhaust filter device is connected with an exhaust pipe, and the exhaust pipe communicates with a plurality of the circulation ports at the same time.

By adopting the above technical solution, on the one hand, the exhaust gas in the exposure chamber can be fully exhausted, and the setting of multiple circulation ports makes the exhaust gas uniform, fast, and wide in range; on the other hand, the exhaust gas in the exposure chamber can be passed through multiple circulation ports After the outlet comes out, they are all discharged in one exhaust filter device, saving costs;

In addition, the exhaust plate and the suction chamber can not only act on the exhaust gas, but also on the waste liquid. The experimenter can clean the exposure chamber by passing water into the exposure chamber through the pipeline, and then the cleaned waste liquid can be passed through There is no need to fully open the exposure chamber because the suction chamber flows out, the structure is simple, and the operation is convenient.

The utility model is further configured as follows: the bottom of the air pumping chamber is set as an inclined plane with an included angle with the horizontal plane, and the end of the air pumping chamber facing the opening of the included angle is provided with a liquid outlet, and the liquid outlet is connected with a drainage pipeline;

A waste liquid bucket is arranged in the storage chamber;

The waste liquid bucket is configured to receive the waste liquid flowing out from the drainage pipeline.

By adopting the above technical scheme, the inclined surface at the bottom of the suction chamber can ensure that there will be no waste liquid accumulated in the suction chamber, and it will flow out into the waste liquid bucket along the slope;

After the waste liquid bucket receives the waste liquid, the waste liquid can be removed at any time for treatment, and the operation is convenient.

The utility model is further configured as: the setting position of the circulation port is higher than the height of the liquid level in the pumping cavity.

By adopting the above technical solution, the position of the flow port is higher than the liquid level in the pumping chamber, preventing the waste liquid in the pumping chamber from entering the gas pipeline through the flow port.

The utility model is further configured as follows: the air pumping chamber is located on the side of the circulation port and is provided with a deflector, the deflector is located on the upper side of the circulation port, and the deflector faces away from the side of the circulation port set diagonally downward;

The deflector is configured to guide the drainage of the waste liquid entering the suction chamber.

By adopting the above technical scheme, the deflector is set so that the waste liquid can flow down obliquely along the deflector, preventing the waste liquid from entering the ventilation pipeline through the flow port when it flows into the pumping chamber, and ensuring the dryness of the circulating gas sex.

The utility model is further configured as follows: two exhaust plates and two air extraction chambers are arranged, and the two exhaust plates and two air extraction chambers are arranged symmetrically along the width direction of the operation box.

By adopting the above-mentioned technical scheme, the two exhaust plates exhaust, the exhaust speed is fast, and the efficiency is high. The setting of the two exhaust chambers can ensure the complete circulation of the gas and reduce the situation that the exhaust gas cannot be discharged due to dead angles.

The utility model is further set as: the left side wall or the right side wall of the operation box is equipped with a transfer cabin, the transfer cabin includes an inlet and an outlet, the inlet and the outlet are provided with hatch doors, the the transfer chamber communicates with the exposure chamber via the outlet;

The air supply filtering device includes a first air supply filtering device and a second air supply filtering device, the first air supply filtering device communicates with the exposure cavity, and the second air supply filtering device communicates with the transfer cabin Connected;

The transfer cabin communicates with the exhaust filter device.

By adopting the above technical solution, the second air supply filter device can ventilate the transfer cabin and flow out through the exhaust filter device, thereby completing the cleaning of the experimental equipment in the transfer cabin and ensuring that the experimental equipment passing through the transfer cabin is free from pollution.

The utility model is further set as follows: the front and rear sides of the operation box are equipped with operation doors, the operation door is provided with a groove facing the side of the operation box, the groove is arranged along the periphery of the operation door and A pneumatic sealing ring is arranged in the groove;

An operating glove is provided on the operating door, and the operating glove is configured to extend into the exposure chamber to pick and place items.

By adopting the above technical scheme, the pneumatic sealing ring is inflated and inflated, completely sealing the installation gap between the operation door and the operation box, and the sealing performance is good;

During the experimental operation, the experimenter can operate the experimental equipment in the exposure chamber through operating gloves. The exposure chamber is completely sealed, and the interior maintains a slight negative pressure, and no harmful substances will leak out.

The utility model is further set as: the upper and lower ends of the operation door are respectively provided with a mounting piece and a locking piece;

The installation part adopts a plurality of hinges, and the plurality of hinges are arranged along the length direction of the operation door, and the operation door is installed and connected with the operation box through hinges;

The locking member includes a plurality of latches fixedly installed on the operation door, and the plurality of latches are arranged along the length direction of the operation door, and the operation box is provided with inserting tubes that match the latches.

By adopting the above-mentioned technical solution, the operation door can be opened without taking off the operation door completely, and adopts the locking method of a bolt intubation, which has a simple structure, convenient operation and low cost.

The utility model is further configured as: the left and right sides of the operation door are provided with pneumatic springs, and the pneumatic springs are connected with the operation box.

By adopting the above technical solution, the pneumatic spring can control the operation door so that the opening and closing angle can be adjusted according to the demand when the operation door is opened and closed, which has a high degree of automation; at the same time, the speed of the pneumatic spring is relatively slow, the dynamic force does not change much, and it is easy to control.

Description of drawings

Hereinafter, some specific embodiments of the present utility model will be described in detail with reference to the drawings and examples without limitation. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale.

Fig. 1 is the exploded schematic view of glove box of the present utility model;

Fig. 2 is a schematic diagram of the operating box structure of the utility model glove box;

Fig. 3 is the sectional view of the air inlet cavity of the utility model glove box;

Fig. 4 is the structural representation of the operating door of the utility model glove box;

Fig. 5 is a partial enlarged view of the operating door of the utility model glove box;

Fig. 6 is a schematic structural view of the air extraction cavity of the glove box of the present invention.

In the attached drawings: 1. Operation box; 1a. Exposure cavity; 2. Operation door; 2a. Groove; 3. Transfer cabin; 6. The second air supply filter device; 7. Peripheral housing; 8. Air pipe connector; 9. Exhaust pipe; 10. Exhaust air filter device; 11. Drainage pipeline; 12. Waste liquid bucket; Fan; 14. Storage chamber; 15. Support frame; 16. Suction chamber; 16a. Flow port; 16b. Liquid outlet; 17. Exhaust plate; 18. Locking device; 18a. Latch pin; . Pneumatic spring; 20. Hinge; 21. Operating gloves; 22. Pneumatic sealing ring.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model embodiment more clear, the embodiment of the utility model glove box will be further described below with reference to FIG. 1 to FIG. 6 .

A glove box, comprising an operation box 1, the operation box 1 includes a top, a bottom, left and right side walls, and front and rear walls, and the top, bottom, left and right side walls, and front and rear walls enclose an exposure cavity 1a, and the exposure cavity 1a is used for Accommodate experimental animals or experimental equipment, etc.; the upper part of the operation box 1 is equipped with an air intake chamber, the air intake chamber includes a peripheral shell 7, and an air supply filter device is arranged in the air intake chamber, and the air supply filter device is connected to the exposure chamber 1a Pass, the specific implementation method is:

The side of the peripheral casing 7 facing the operation box 1 includes a mounting part (not shown in the figure), the mounting part is arranged along the edge of the peripheral casing 7, and the peripheral casing 7 is connected to the top screw or the top of the operation box 1 through the mounting part. The bolts are fixedly connected; the top of the peripheral shell 7 is provided with a vent, and an air pipe connector 8 is installed at the vent, which is used to connect with an external power device such as a fan, so as to ventilate into the air intake cavity; the air intake cavity is provided with The air supply filter device, the air supply filter device comprises a first air supply filter device 5, a second air supply filter device 6 and a filter for installing the first air supply filter device 5 and the second air supply filter device 6 filter bracket (not shown in the figure), the filter bracket can be integrally welded or screw/bolt fixedly installed on the side wall of the peripheral housing 7, and can also be screw/bolt fixedly installed on the top of the operation box 1; The air filter device 5 communicates with the exposure chamber 1a to ensure that the external power device is ventilated to the first air supply filter device 5, and the first air supply filter device 5 filters the gas and sends it to the exposure chamber 1a for experimental operation;

In order to ensure that the air flow sent by the first air supply filter device 5 to the exposure chamber 1a is evenly distributed, the top of the operating box 1 is provided with a flow equalizer 4, and the flow equalizer 4 includes a plurality of flow equalization holes, and the flow equalization holes are respectively It communicates with the exposure chamber 1a and the air intake chamber, and a plurality of equalizing holes are arranged along the length direction and the width direction of the equalizing plate 4; the setting of the equalizing plate 4 can directly arrange multiple A uniformly arranged through hole is used as a flow equalization hole, so that the top of the operation box body 1 can be used as a flow balance plate 4 to realize the effect of the flow balance plate 4, and installation holes can also be set on the top of the operation box body 1 (not shown in the figure). out), the mounting hole matches the flow equalizer 4, the flow equalizer 4 is detachably connected to the top of the operation box 1 at the installation hole, and the installation hole can be set as a stepped hole, and the flow equalizer 4 and the stepped hole The screw at the step is fixedly connected, and the flow equalizer 4 is a purchased finished flow equalizer; in order to facilitate installation and simple structure, the utility model preferably adopts an outsourced finished flow equalizer 4 to be directly installed on the top of the operation box 1.

The bottom of the operation box 1 is equipped with a support assembly, the support assembly includes a support frame 15 and a storage chamber 14, the support frame 15 is used to support the operation box 1, the support frame 15 includes a top plate and a bottom plate, and the operation box 1 is placed on the support frame 15 on the top plate; the bottom plate of the support frame 15 is provided with an exhaust filter device 10, the exhaust filter device 10 is located in the storage chamber 14, and the exhaust filter device 10 is connected with the exposure chamber 1a, and the exhaust filter device 10 includes a vortex fan 13. Filter (not shown in the figure) and exhaust pipe 9. During the experiment, the exhaust gas in the exposure chamber 1a can be filtered and discharged through the exhaust filter device 10;

In order to ensure that the exhaust gas in the exposure chamber 1a is discharged quickly and efficiently, the utility model is preferably provided with an exhaust plate 17 at the bottom of the operation box 1, and a plurality of exhaust holes are arranged on the exhaust plate 17. The exhaust plate 17 It can be integrally arranged with the bottom of the operation box body 1, that is, an air exhaust hole is provided on the bottom of the operation box body 1, and the operation box body 1 is used as an exhaust plate 17 to exhaust the air, or it can be provided on the bottom of the operation box body 1 with a The matching installation step hole of the exhaust plate 17, the screw fixed connection or welding fixed connection between the exhaust plate 17 and the step of the step hole, the utility model is preferably to directly set the exhaust hole at the bottom of the operation box 1, and the exhaust plate 17 is integrated with the bottom of the operation box 1; the outside of the bottom of the operation box 1 is integrally welded with an air extraction chamber 16, the air extraction chamber 16 is located on the lower side of the exhaust plate 17 and the air extraction chamber 16 is located in the storage chamber 14, The air extraction chamber 16 communicates with the exposure chamber 1a through the exhaust hole of the exhaust plate 17, and the air extraction chamber 16 is provided with a plurality of circulation ports 16a. A flow port 16a that is equally arranged along its length direction, the flow port 16a is sealed and installed with a ventilation pipeline, and the ventilation pipeline adopts a four-way ventilation pipeline, wherein the three connections are respectively sealed and connected with the three flow ports 16a, and the fourth connection is connected with the exhaust air. The tube 9 is tightly connected.

The utility model is preferably that the exhaust plate 17 and the air extraction cavity 16 are all set to two, and the two exhaust plates 17 and the air extraction cavity 16 corresponding to it are arranged symmetrically along the bottom width direction of the operation box body 1. The ventilation pipelines connected to a total of six flow ports 16a on each air extraction cavity 16 are connected with an exhaust pipe 9 at the same time, so that during the working process of the utility model, the six air extraction pipelines are gathered together to extract air through exhaust air filtration The device 10 filters and discharges, and has high working efficiency and good air exhaust performance.

The transmission cabin 3 is installed on the left or right side wall of the operation box 1, and the periphery of the transmission cabin 3 is integrally welded with a mounting flange (not shown in the figure), and the mounting flange is fixedly connected with the side wall of the exposure chamber 1 by screws ; The left side wall or the right side wall of the operation box 1 is provided with a through hole (not shown in the figure), the transfer cabin 3 includes a cabin body and a cabin, and the two opposite side walls of the cabin body are respectively provided with an inlet and an outlet , the inlet and the outlet communicate with each other and communicate with the exposure chamber 1a, the entrance and the outlet are equipped with a hatch 3a, the outlet of the transfer cabin 3 is connected and adapted to the through hole on the operation box 1, wherein the outlet of the transfer cabin 3 The hatch 3a at the entrance is located in the exposure chamber 1a, and the hatch 3a at the entrance is located outside the exposure chamber 1a and on the side of the transfer cabin 3 facing away from the operation box 1; the hatch 3a is connected with the cabin by hinges to ensure The opening and closing of the cabin door 3a is convenient and easy to install; a chute can be arranged in the cabin, and an installation tray (not shown in the figure) is embedded in the chute, the length of the chute is consistent with the length of the transfer cabin 3, and the tray can be pulled out of the cabin Located on the outside of the cabin, when it is necessary to transfer experimental equipment or utensils into the exposure chamber 1a, the tray can be pulled out first, put the experimental equipment or utensils on the tray, and then push the tray to slide along the chute until the tray slides directly to the exposure chamber 1a Inside, and then remove the experimental equipment or utensils to complete their transfer work.

In order to ensure the sterility and safety of the experimental equipment and utensils transported into the exposure chamber 1a, and to prevent the external air from entering the exposure chamber 1a and affecting the experimental results, the second air supply filter device 6 in the air intake chamber is connected to the cabin of the transfer cabin 3 The specific implementation method is: the outer casing 7 of the air intake cavity and the cabin body of the transfer cabin 3 are provided with an air interface, and the two are connected with a ventilation pipeline, and the second air supply filter device 6 is connected to the outer casing. The air pipe connector 8 on 7 is connected, and the external power device sends air to the second air supply filter device 6 through the air pipe connector 8, and the second air supply filter device filters it and transports it to the transfer cabin 3 through the ventilation pipeline. In the cabin, the experimental equipment and utensils in the cabin are cleaned, the transfer cabin 3 is connected with an exhaust pipeline connected with the exhaust pipe 9, and the exhaust gas after cleaning is sent to the exhaust pipe 9 through the exhaust pipeline, and then Enter the exhaust air filter device 10 for filtering and discharge.

The side of the operating box 1 opposite to the side wall where the transfer cabin 3 is installed is provided with a circuit interface, an air circuit interface and a disinfection interface; the circuit interface is used to connect power to the exposure chamber 1a, and the air circuit interface can be used when necessary Ventilate the exposure chamber 1a or extract the gas in the exposure chamber 1a. The disinfection interface is used to transmit disinfectant to the exposure chamber 1a to disinfect the exposure chamber 1a. The circuit interface, gas circuit interface and disinfection interface are all connected to the operation box. The side walls of the body 1 are hermetically connected.

When cleaning and disinfecting the liquid in the exposure chamber 1a, the liquid will enter the air extraction chamber 16 through the exhaust holes of the air exhaust plate 17. In order to facilitate the flow of liquid, the bottom of the air extraction chamber 16 is provided with a liquid outlet 16b. The liquid outlet 16b is connected to a drainage pipeline 11, and a waste liquid bucket 12 is placed on the bottom plate of the storage chamber 14. The drainage pipeline 11 is connected to the waste liquid bucket 12, and is used to discharge the liquid in the pumping chamber 16 to the waste liquid bucket 12 Inside; in order to ensure that there is no liquid accumulation in the pumping chamber 16, the bottom of the pumping chamber 16 adopts a slope setting, that is, one side is higher along its length direction, and the bottom is set at an included angle with the horizontal plane, and the liquid outlet 16b is arranged in the clamping position. The corner opening, that is, the lower side, can ensure that the liquid in the suction chamber 16 flows along the bottom of the inclined plane to the lower side and flows out through the liquid outlet 16b.

Simultaneously, in order to prevent the liquid in the air pumping chamber 16 from entering the ventilation pipeline at the flow port 16a, when the liquid level in the air pumping chamber 16 is the highest, the height of the flow port 16a is higher than its liquid level, and the flow port The upper side of 16a is integrally welded with a deflector plate (not shown in the figure) extending obliquely downwards away from the circulation port 16a. When the liquid flows down through the exhaust holes of the exhaust plate 17, the deflector plate can guide it , to prevent the liquid flowing down from entering the ventilation pipeline at the flow port 16a.

A further embodiment of the utility model is that the front and rear side walls of the operation box 1 are provided with an installation part of the operation door 2, the operation door 2 is matched with the installation part of the operation door 2, and the operation door 2 is fixed with a closing screw on its upper part. Page 20, hinge 20 is set to a plurality of, preferably four, is evenly arranged along the length direction of operating door 2; In order to ensure that when operating door 2 is closed, the sealing performance of exposure cavity 1a is good, the peripheral edge of operating door 2 is provided with concave Groove 2a, the pneumatic sealing ring 22 is placed in the groove 2a, the pneumatic sealing ring 22 is connected with the pneumatic device, inflated to the pneumatic sealing ring 22, and the pneumatic sealing ring 22 expands to complete the sealing function; the left and right sides of the operation door 2 are equipped with gas springs 19. One end of the pneumatic spring 19 is connected to the operating door 2, and the other end is connected to the operating box 1; the lower part of the operating door 2 is connected with a locking device 18, specifically, the lower part of the operating door 2 is screwed and installed with a latch 18a, and the latch 18a is set as Multiple, preferably three and three bolts 18a are evenly arranged along the length direction of the operation door 2, and the operation box 1 is integrally welded with an intubation tube 18b that matches the bolts 18a. When the operation door 2 is closed to complete the exposure chamber 1a When sealing, at this time, the latch 18a is inserted into the insertion tube 18b to complete the locking and fixing of the operation door 2; Stretching gradually, the operating door 2 is gradually opened until it reaches a suitable position. At this time, power supply to the pneumatic spring 19 is stopped, and the pneumatic spring 19 is automatically locked to this position.

In order to facilitate observation in the exposure chamber 1a, the operating door 2 is made of a transparent material, preferably toughened glass. The operating door 2 is provided with a plurality of preferably three operating ports, and the sealing ring at the operating port is sealed with operating gloves 21 , the operating gloves 21 are configured to be worn by experimenters and extended into the exposure chamber 1a for experimental operations.

During the experiment, the pneumatic sealing ring 22 is inflated, and the operation door 2 and the operation box 1 are sealed and closed. At this time, the external power device is opened, and the external power device sends air to the first air supply filter device 5 and the second air supply in the air intake chamber. The filter device 6 supplies air, and the first air supply filter device 5 filters the gas and enters the exposure chamber 1a through the uniform flow plate 4 for experiments. The circulation port 16a of the air chamber 16 enters the exhaust pipe 9, the exhaust filter device 10 filters the exhaust gas conveyed by the exhaust pipe 9, and the vortex fan 13 discharges it; when it is necessary to transport experimental equipment or utensils into the exposure chamber 1a, Close the hatch 3a at the exit of the transfer cabin 3, then open the hatch 3a at the entrance of the transfer cabin 3, pull out the tray, put the experimental equipment or utensils on the tray and push them into the cabin of the transfer cabin 3, and then close the entrance Then the experimenter wears operating gloves 21, stretches into the exposure chamber 1a, opens the hatch 3a at the exit of the transfer cabin 3, pulls out the tray, and removes the experimental equipment or appliances on the tray for testing Operation, the whole process, the exposure chamber 1a is completely isolated from the outside world, and the experimental equipment and utensils are cleaned before entering the exposure chamber 1a, so as to ensure that the harmful gas in the exposure chamber 1a will not leak into the atmosphere and cause pollution, affecting the safety of experimenters. Moreover, the outside air is prevented from entering into the exposure chamber 1a to affect the experimental results.

When it is necessary to disinfect and clean the exposure cavity 1a, the cleaning liquid is delivered to the exposure cavity 1a, and the cleaned liquid enters the air extraction cavity 16 through the exhaust holes on the exhaust plate 17, and then passes through the liquid storage tank 16. The liquid outlet 16b flows into the drainage pipeline 11, and is discharged into the waste liquid bucket 12 through the drainage pipeline 11, and the cleaning of the exposure chamber 1a is completed, and then the external power device is turned on, and the external power device is sent to the second waste liquid in the air intake chamber. The first air supply filter device 5 and the second air supply filter device 6 supply air. The first air supply filter device 5 filters the gas and enters the exposure chamber 1a through the equalizer plate 4 for clean air cleaning. The cleaning is more thorough, and the structure Simple and easy to operate.

The above description is only the preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, any improvements and modifications made should also be regarded as the present invention. Protection scope of utility model.

Claims (10)

1. A glove box, comprising an operation box, the operation box includes an exposure cavity, an air intake cavity and a support assembly are respectively arranged on the upper and lower sides of the operation box, and the air intake cavity is equipped with The air supply filter device, the support assembly includes a support frame and a storage chamber, an exhaust air filter device is installed in the storage chamber, and the air supply filter device and the exhaust air filter device are both connected to the exposure chamber, It is characterized in that: the top of the operation box is provided with a flow equalizer, the flow equalizer is located below the air supply filter device and the flow equalizer is connected to the air supply filter device, and the flow equalizer is connected to the air supply filter device. The flow plate communicates with the exposure chamber; The equalizer plate is configured to equalize the airflow sent into the exposure chamber by the air supply filter device. 2. The glove box according to claim 1, characterized in that: the bottom of the operating box is provided with an exhaust plate, and the exhaust plate communicates with the exposure chamber; The exposure chamber is provided with a pumping chamber, the pumping chamber communicates with the exhaust plate, and the pumping chamber is provided with a plurality of circulation ports, and the plurality of circulation ports are arranged along the length of the pumping chamber All directions are aligned; The exhaust filter device is connected with an exhaust pipe, and the exhaust pipe communicates with a plurality of the circulation ports at the same time. 3. The glove box according to claim 2, characterized in that: the bottom of the air extraction chamber is set as an inclined plane with an angle with the horizontal plane, and the end of the air extraction chamber facing the opening of the angle is provided with a liquid outlet, the The liquid outlet is connected with a drainage pipeline; A waste liquid bucket is arranged in the storage chamber; The waste liquid bucket is configured to receive the waste liquid flowing out from the drainage pipeline. 4. The glove box according to claim 3, characterized in that: the location of the circulation port is higher than the liquid level in the suction cavity. 5. The glove box according to claim 4, characterized in that: said air pumping chamber is located on one side of said circulation opening and is provided with a deflector, said deflector is located on the upper side of said circulation opening, said deflector The plate is arranged obliquely downward on the side facing away from the circulation port; The deflector is configured to guide the drainage of the waste liquid entering the suction chamber. 6. The glove box according to claim 5, characterized in that: there are two exhaust plates and two air extraction chambers, and two exhaust plates and two air extraction chambers are arranged along the The width direction of the body is set symmetrically. 7. The glove box according to claim 1, characterized in that: the left side wall or the right side wall of the operation box is equipped with a transfer cabin, the transfer cabin includes an inlet and an outlet, and the inlet and the outlet are hatches are provided at each place, and the transfer cabin communicates with the exposure chamber through the outlet; The air supply filtering device includes a first air supply filtering device and a second air supply filtering device, the first air supply filtering device communicates with the exposure cavity, and the second air supply filtering device communicates with the transfer cabin Connected; The transfer cabin communicates with the exhaust filter device. 8. The glove box according to claim 1, characterized in that: the front and rear sides of the operation box are equipped with operation doors, and the operation door is provided with a groove facing the side of the operation box, and the groove It is arranged along the peripheral edge of the operation door and a pneumatic sealing ring is arranged in the groove; An operating glove is provided on the operating door, and the operating glove is configured to extend into the exposure cavity to pick and place items. 9. The glove box according to claim 8, characterized in that: the upper and lower ends of the operation door are respectively provided with mounting parts and locking parts; The installation part adopts a plurality of hinges, and the plurality of hinges are arranged along the length direction of the operation door, and the operation door is installed and connected with the operation box through hinges; The locking member includes a plurality of latches fixedly installed on the operation door, and the plurality of latches are arranged along the length direction of the operation door, and the operation box is provided with inserting tubes that match the latches. 10. The glove box according to claim 9, characterized in that: the left and right sides of the operation door are provided with pneumatic springs, and the pneumatic springs are connected to the operation box.