CN113649087A - Clean bench for biological experiments and using method - Google Patents

Abstract

An ultra-clean workbench for biological experiments and a using method thereof, comprising an ultra-clean workbench body with a box shell (1) and an air pipe (8), a first cylinder shell (3) arranged between the box shell (1) and the air pipe (8), a filter screen (4) arranged in the first cylinder shell (3), a pressure plate (5) arranged between the first cylinder shell (3) and the filter screen (4), a first closing plate (7) arranged on the first cylinder shell (3), and a tightening screw (6) arranged between the pressure plate (5) and the first closing plate (7), wherein an operation platform for biological experiments is realized through the ultra-clean workbench body, the air injected into the ultra-clean workbench body is purified through the filter screen (4), the air flow passing through the filter screen (4) is arranged in a non-windward way through the first cylinder shell (3) and the pressure plate (5), through first shrouding (7) and tight screw rod (6) in top, realized fixing pressure disk (5), realized carrying out the scattering release to the air current that needs purification treatment, consequently improved the life of filter screen.

Description

Clean bench for biological experiments and using method

Technical Field

The invention relates to a clean bench and a using method, in particular to a clean bench for biological experiments and a using method.

Background

A clean bench (also called a clean bench) is designed to meet the requirement of the modern industry, the photoelectric industry, the bio-pharmaceuticals, scientific research and experiment and other fields on the cleanliness of local working areas, air is sucked into a pre-filter by a fan, enters a high-efficiency filter through a static pressure box for filtering, and the filtered air is sent out in a vertical or horizontal airflow state, so that the operating area reaches hundred-grade cleanliness, and the requirement of production on the environmental cleanliness is ensured, therefore, the clean bench and the using method for the biological experiment are important biological experiment equipment, in the existing clean bench and the using method for the biological experiment, a filter screen is also directly arranged at an output port of the fan, and the service life of the filter screen is influenced because the filter screen is directly acted by the output airflow of the fan,

based on the technical book of filing of the present applicant in 6/9/2021 with practical technical problems solved in the working process, the similar patent documents are obtained by searching, wherein the patent numbers are as follows: ZL201620790663.2 and the prior technical problems, technical characteristics and technical effects in the background art make the application technical proposal of the invention.

Disclosure of Invention

The object of the invention is an ultraclean bench for biological experiments,

the invention aims to provide a method for using an ultra-clean workbench for biological experiments.

In order to overcome the technical defects, the invention aims to provide an ultra-clean workbench for biological experiments and a using method, so that the service life of a filter screen is prolonged.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an ultra-clean bench for biological assay, includes the ultra-clean bench body that has case shell and tuber pipe, sets up first bobbin case between case shell and tuber pipe, sets up filter screen in first bobbin case, sets up pressure disk between first bobbin case and filter screen, sets up first shrouding on first bobbin case, sets up the tight screw rod in top between pressure disk and first shrouding.

Owing to designed the superclean bench body, first shell, the filter screen, the pressure disk, first shrouding and the tight screw rod in top, through the superclean bench body, an operation platform for biological assay has been realized, through the filter screen, realized carrying out purification treatment to the air of pouring into in the superclean bench body, through first shell and pressure disk, realized carrying out non-windward setting to the air current through the filter screen, through first shrouding and the tight screw rod in top, realized fixing to the pressure disk, realized carrying out the scattering release to the air current that needs purification treatment, consequently, the life of filter screen has been improved.

The invention designs that the superclean workbench body, the first cylinder shell, the filter screen, the pressure plate, the first sealing plate and the jacking screw rod are connected with each other in a manner of scattering and releasing air flow to be purified.

The invention designs that a first cylinder shell and a pressure plate are connected with a superclean workbench body, a filter screen, a first sealing plate and a jacking screw rod in a mode of forming a buffer air flow release interval.

The invention designs that the superclean bench body also comprises a fan, a lighting lamp and a disinfection lamp.

The technical effects of the technical scheme are as follows: by setting the direction of the air flow passing through the filter screen, no air flow impact is generated on the filter screen.

The invention designs that the device also comprises a first accessory device, the first accessory device is arranged on the clean bench body, and the first accessory device is arranged to comprise a first valve and a second valve.

The invention designs that the device also comprises a second accessory device which is arranged on the superclean workbench body and is arranged as an operation platform,

The invention designs the superclean bench, which further comprises a third accessory device, wherein the third accessory device is arranged on the superclean bench body and comprises a second cylinder shell, an inner overturning plate, a compression screw, a torsion spring and a second sealing plate.

The technical effects of the technical scheme are as follows: integrated mounting of other components is achieved.

The invention designs that an operating table, a first cylinder shell, a fan, a second cylinder shell, a lighting lamp and a sterilizing lamp are respectively arranged on a box shell, an air pipe is arranged between the first cylinder shell and the fan, a first valve and a second valve are respectively arranged on the air pipe, a pressure plate and a first sealing plate are respectively arranged on the first cylinder shell, a filter screen is arranged between the first cylinder shell and the pressure plate, a jacking screw rod is arranged between the pressure plate and the first sealing plate, an inner overturning plate and a second sealing plate are respectively arranged on the second cylinder shell, and a compression screw rod and a torsion spring are respectively arranged between the inner overturning plate and the second cylinder shell.

The technical effects of the technical scheme are as follows: the technical scheme of the invention is formed by a box shell, an operation table, a first cylinder shell, a filter screen, a pressure plate, a jacking screw rod, a first sealing plate, an air pipe, a fan, a first valve, a second cylinder shell, an inner overturning plate, a compression screw rod, a torsion spring, a second sealing plate, a lighting lamp and a sterilizing lamp, and the technical problem of the invention is solved.

The invention designs that a first cylinder shell is provided to comprise a first cylinder part, a first disc part, a first rod part and an isolation plate part, the outer end part of the side surface of the first cylinder part is respectively connected with the first disc part and an air pipe, the inner end surface inner wall of the first cylinder part is connected with the inner end of the first rod part, a first air hole is arranged in the inner end surface part and the first rod part of the first cylinder part, the first cylinder part is connected with a box shell in a penetrating way, the outer end opening part of the first cylinder part is connected with a first sealing plate in a contact way, the first disc part is connected with the first sealing plate through a connecting bolt, the outer end of the first rod part is connected with a filter screen in a contact way, the first cylinder part is connected with a pressure plate and a jacking screw rod accommodating way, the inner wall of the outer end surface of the first cylinder part is connected with the isolation sliding plate part, the isolation plate part is connected with a jacking screw rod in a threaded way, and the isolation plate part is provided with a circular sheet-shaped body, the first cylinder part is arranged to be a circular box-shaped body, the first disc edge part is arranged to be a circular ring-shaped body with a threaded hole body, the threaded hole body of the first disc edge part is arranged to be connected with a connecting bolt on the first sealing plate, the first rod part is arranged to be a trapezoid block-shaped body, the first rod parts are arranged to be distributed at intervals along the inner end face inner wall of the first cylinder part, the first air hole body is arranged to be an L-shaped hole, the end opening part of the transverse hole body of the first air hole body is arranged on the inner end face part of the first cylinder part, and the end opening part of the vertical hole body of the first air hole body is arranged on the side face part of the first rod part.

The technical effects of the technical scheme are as follows: the arrangement of the nonlinear air channel and the small end face support is realized, and the protection of the filter screen is realized.

The invention designs that the filter screen is arranged into a circular sheet body and is arranged into a sunk connection with the first cylinder shell, one end surface of the filter screen is arranged into a contact connection with the first cylinder shell, and the other end surface of the filter screen is arranged into a contact connection with the pressure plate.

The technical effects of the technical scheme are as follows: the air passing purification treatment is realized.

The invention designs that the pressure plate comprises a plate part and a second rod part, the inner end face part of the plate part is connected with the inner end head of the second rod part, a second air duct body is arranged in the plate part and the second rod part, the outer end head of the second rod part is connected with a filter screen in a contact mode, the outer end face part of the plate part is connected with a jacking screw in a contact mode, the plate part is connected with a first cylinder shell in a sinking mode, the plate part is arranged to be a circular plate-shaped body, the second rod part is arranged to be a trapezoid block-shaped body, the second rod part is arranged to be distributed at intervals along the inner end face part of the plate part, the second air duct body is arranged to be an L-shaped hole, the transverse hole end opening part of the second air duct body is arranged on the inner end face part of the plate part, and the vertical hole end opening part of the second air duct body is arranged on the side face part of the second rod part.

The technical effects of the technical scheme are as follows: the arrangement of the non-linear air channel and the small end face support is realized, the protection of the filter screen is realized, and the arrangement of the installation space formed between the first cylindrical shells is realized.

The invention designs that the jacking screw rod is a screw rod with three claw bodies at the inner end, the three claw bodies of the jacking screw rod are in contact connection with the pressure plate, the inner end of the jacking screw rod is in threaded connection with the first cylinder shell, the outer end of the jacking screw rod is in contact connection with the first sealing plate, the outer end of the jacking screw rod is in split distribution with the inner end of the jacking screw rod, and the outer end of the jacking screw rod is in threaded connection with the inner end of the jacking screw rod.

The technical effects of the technical scheme are as follows: the compression acting force generated on the filter screen is realized.

The invention designs that the first sealing plate is arranged into a cover body with an edge body, the first sealing plate is arranged to be in buckling connection with the first cylindrical shell, the edge body of the first sealing plate is provided with a through hole body, the through hole body of the first sealing plate is arranged to be in connection with a connecting bolt on the first cylindrical shell, and the inner side surface part of the first sealing plate is arranged to be in contact connection with the jacking screw rod.

The technical effects of the technical scheme are as follows: realized sealing first shell, realized supporting the tight screw rod in top.

The invention designs that the box shell comprises a box part, the axle head portion and the shank and be provided with first window body and the second window body that passes through in the preceding side of case portion, the bottom end face upper portion of case portion sets up to hookup with the axle head portion and the bottom end face lower part of case portion sets up to hookup with the shank, the axle head portion sets up to and sets up to hookup with the fan with the embedded hookup of operation panel and the shank, the side of the left and right sides of case portion sets up respectively to hookup with first bobbin case and second bobbin case and the inside of the top end face of case portion sets up respectively to hookup with light and sterilamp, the case portion sets up to the rectangle box-shaped body that has arc top end face portion and the axle head portion sets up to circular rod-shaped body, the shank sets up to H font frame-shaped body and two shank set up to the vertical center line symmetric distribution along case portion, first window body and second window body that passes through set up respectively to the circular port-shaped body.

The invention designs that the air pipe comprises a main pipe part, a first branch pipe part and a second branch pipe part, one port of the main pipe part is respectively connected with an inner port of the first branch pipe part and an inner port of the second branch pipe part, the other port of the main pipe part is connected with a first shell, an outer port of the first branch pipe part is connected with a fan, a first valve is arranged on the first branch pipe part, a second valve is arranged on the second branch pipe part, and the main pipe part, the first branch pipe part and the second branch pipe part are respectively arranged into a circular pipe body.

The invention designs that the shell of the fan is connected with the box shell and the opening part of the output end of the fan is connected with the air pipe.

The invention designs that the illuminating lamp is connected with the inner wall of the upper end surface of the box shell in a hoisting mode, and the power supply interface of the illuminating lamp is connected with an external power supply through a switch.

The invention designs that the disinfection lamp is an ultraviolet disinfection lamp, the disinfection lamp is connected with the inner wall of the upper end face of the box shell in a hoisting mode, and a power supply interface of the disinfection lamp is connected with an external power supply through a switch.

The technical effects of the five technical schemes are as follows: the setting of the superclean bench for the biological experiment is realized, and the superclean environmental requirement during the biological experiment is met.

The invention provides that the first valve and the second valve are respectively arranged as ball valves and the first valve and the second valve are respectively arranged on the air pipe.

The technical effects of the five technical schemes are as follows: the on-off control of the branch pipeline of the air pipe is realized.

The invention provides that the console comprises a platform part and a strip part, the middle part of the upper end surface of the platform part is connected with the strip part, the middle part of the lower end surface of the platform part is provided with a containing hole body, the containing hole body is connected with the box, the lower end surface of the platform part is connected with the box in a contact mode, the platform part is provided with a circular disk-shaped body, the strip part is provided with a rectangular block-shaped body, and the containing hole body is provided with a circular blind hole.

The technical effects of the technical scheme are as follows: the partition of the operation area is separately arranged, and the requirements of the biological experiment on step-by-step use and use of different types of biological products are met.

The invention designs that the second cylinder shell is provided with a second cylinder part, an ear seat part and a second disc edge part, the upper part of an inner end port of the second cylinder part is provided to be connected with the ear seat part, the outer end part of the side surface of the second cylinder part is provided to be connected with the second disc edge part and a second threaded hole body is arranged on the lower part of the inner end port of the second cylinder part, a first threaded hole body is arranged on the upper side part of the inner end port of the second cylinder part and the second cylinder part is provided to be connected with the box shell in a penetrating way, the ear seat part is provided to be connected with the inner overturn plate through a pin shaft and the ear seat part is provided to be connected with a torsion spring in a contacting way, the outer end mouth part of the second cylinder part is provided to be connected with a second seal plate in a contacting way and the second disc edge part is provided to be connected with the second seal plate through a connecting bolt, the first threaded hole body and the second threaded hole body are respectively provided to be connected with a compression screw rod and the second cylinder part is provided to be a tubular body with a rectangular through hole, the second flange portion is a circular ring-shaped body with a threaded hole body, the threaded hole body of the second flange portion is connected with a connecting bolt on the second sealing plate, the lug seat portion is a double-plate lug seat, and the first threaded hole body and the second threaded hole body are respectively circular hole bodies.

The invention designs that the inner overturning plate is arranged into a convex flake-shaped body, the upper end contraction part of the inner overturning plate is connected with the second cylinder shell through a pin shaft, the upper end contraction part of the inner overturning plate is connected with a torsion spring in a contact mode, the upper end face part and the lower end face part of the inner overturning plate are respectively provided with a U-shaped opening body, the U-shaped opening body of the inner overturning plate is connected with a compression screw rod, and the inner side face part of the inner overturning plate is connected with the second cylinder shell in a contact mode.

The invention designs that the compression screw is a flat-head bolt, is in threaded connection with the second cylinder shell, and is in through-serial connection with the inner overturning plate.

The invention provides that the torsion spring is arranged to be in sleeved connection with a pin shaft between the second cylinder shell and the inner overturning plate, one end head of the torsion spring is arranged to be in contact connection with the second cylinder shell, and the other end head of the torsion spring is arranged to be in contact connection with the inner overturning plate.

The invention provides that the second sealing plate is arranged to be a cover body with an edge body, the second sealing plate is arranged to be buckled with the second cylinder shell, the edge body of the second sealing plate is provided with a through hole body, and the through hole body of the second sealing plate is arranged to be connected with a connecting bolt on the second cylinder shell.

The technical effects of the five technical schemes are as follows: the device realizes the arrangement of the taking and placing channels of the biological articles and improves the efficiency of biological experiments.

The invention designs that a box shell, an air pipe, a fan, a lighting lamp, a sterilizing lamp, a first cylinder shell, a filter screen, a pressure plate, a jacking screw rod and a first sealing plate are arranged to be distributed according to the mode of purifying air by an end head pipe, the box shell, the air pipe, the fan, the lighting lamp, the sterilizing lamp, the first cylinder shell, the filter screen, the pressure plate, the jacking screw rod, the first sealing plate, the first valve and the second valve are arranged to be distributed according to the mode of double-port arrangement, the box shell, the air pipe, the fan, the lighting lamp, the sterilizing lamp, the first cylinder shell, the filter screen, the pressure plate, the jacking screw rod, the first sealing plate, the second cylinder shell, an inner turnover plate, a compression screw rod, a torsion spring and the second sealing plate are arranged to be distributed according to the mode of taking and placing channels, and the box shell, the air pipe, the fan, the lighting lamp, the sterilizing lamp, the first cylinder shell, the filter screen, the pressure plate, the jacking screw rod, the first sealing plate and an operation platform are arranged to be distributed according to the mode of isolating operation area, the center line of the box shell, the center line of the operating platform, the center line of the fan and the center line of the sterilizing lamp are arranged on the same straight line, a first cylinder shell, a filter screen and a pressure plate, a top tight screw and a first shrouding set up to constitute a set of end pipe air-purifying part and two sets of end pipe air-purifying part sets up respectively to set up in the left and right sides face of case portion, a second shell, an interior upset board, a compression screw, a torsion spring and a second shrouding set up to constitute a set of access channel part and four sets of access channel parts set up respectively in the bight of case portion, light and sterilamp set up respectively to arrange the distribution along the upper end terminal surface inner wall interval of case shell, second section of thick bamboo and first section of thick bamboo set up respectively to link with the case portion, first section of thick bamboo sets up respectively to link with main pipe portion, hold the hole body and set up to link with the axle head portion.

The invention designs that a first rod part and a second rod part are arranged to comprise a rod part and a gas distribution platform part, a first annular groove body and a second annular groove body are respectively arranged on the side surface of the rod part, a transverse hole body and a vertical hole body are respectively arranged in the rod part, an inner end port part of the vertical hole body is connected with the transverse hole body, an outer end port part of the vertical hole body is arranged on one inner wall of the first annular groove body and one inner wall of the second annular groove body, the other inner wall of the first annular groove body and the other inner wall of the second annular groove body are connected with the gas distribution platform part and the rod part is arranged to be a circular disk-shaped body, the gas distribution platform part is arranged to be a part of a spherical body, the first annular groove body and the second annular groove body are arranged to be U-shaped annular ring grooves, the transverse hole body is arranged to be a circular blind hole body, and the vertical hole body is arranged to be an L-shaped hole, the gas distributing parts are arranged to be distributed corresponding to the vertical holes.

The technical effects of the technical scheme are as follows: by increasing the contact surface of the air flow, the flow speed of the air flow is reduced, and the air flow penetrates through the filter screen at a slow speed.

The invention designs that an opening groove body is arranged on the gas distributing platform part and a dust adsorbing material is arranged in the opening groove body of the gas distributing platform part.

The technical effects of the technical scheme are as follows: a prior pre-treatment of the air flow through the filter screen is achieved.

The invention designs a use method of an ultra-clean workbench for biological experiments, which comprises the following steps: the operating platform for biological experiments is realized by the superclean bench body, the air injected into the superclean bench body is purified by the filter screen, the non-windward setting of the air flow passing through the filter screen is realized by the first cylinder shell and the pressure plate, the fixation of the pressure plate is realized by the first sealing plate and the jacking screw rod, and the scattering release of the air flow needing to be purified is realized.

The invention designs that the method comprises the following steps: placing the filter screen in the first cylinder part to make the filter screen contact with the outer end of the first rod part, placing the disk part in the first cylinder part to make the outer end of the second rod part act on the filter screen, rotating the jacking screw rod on the partition plate part to make the three claws of the jacking screw rod act on the disk part, placing the first sealing plate on the opening part of the outer end of the first cylinder part, installing the connecting bolt in the through hole of the first sealing plate and the threaded hole of the first disk part, installing the first sealing plate on the first cylinder part, and simultaneously generating acting force to the jacking screw rod by the first sealing plate to make the partition plate part move inwards in the first cylinder part to clamp the filter screen by the second rod part,

placing the biological laboratory product into the second cylinder, placing the second sealing plate on the open portion of the outer end of the second cylinder, installing the connecting bolt in the through hole body of the second sealing plate and the threaded hole body of the second flange portion, installing the second sealing plate on the second cylinder,

the first valve is in an open state, the second valve is in a closed state, the first branch pipe part and the main pipe part are in an open state, the fan is in a working state, air is injected into the first barrel part through the first branch pipe part and the main pipe part 8, the air enters a space between the disk part and the inner end surface inner wall of the first barrel part through the second air hole passage body, the air is purified by the filter screen and then is released into the box part through the first air hole passage body,

the hand of an operator is put into the box part through the first leakage window body and the second leakage window body, the compression screw rod is separated from the second threaded hole body, the upper end contraction part of the inner turnover plate is applied with turnover acting force to overcome the elastic energy storage of the torsion spring, the inner turnover plate is separated from the inner end port of the second cylinder part, a biological experiment product is taken out of the second cylinder part and put on one side surface of the upper end surface of the platform part, a first biological experiment is carried out, after the biological experiment is finished, the experimental product is put into the second cylinder part through the inner end port of the second cylinder part, the compression screw rod is installed between the U-shaped opening body of the lower end surface part of the inner turnover plate and the second threaded hole body, the inner turnover plate is compressed through the compression screw rod, the biological experiment product taken out of the second cylinder part is put on the other side surface of the upper end surface of the platform part when the second biological experiment is carried out, the connecting bolt is taken out from the through hole body of the second sealing plate and the threaded hole body of the second flange part, the second sealing plate is separated from the second cylinder part, the experimental product is taken out from the second cylinder part, the blower is in a stop working state,

when the box part is disinfected, the compression screw is taken out from the U-shaped opening body and the second threaded hole body at the lower end surface part of the inner turnover plate, the compression screw is installed in the U-shaped opening body and the first threaded hole body at the upper end surface part of the inner turnover plate, the inner turnover plate is separated from the inner end port of the second cylinder part, the first leakage window body and the second leakage window body are sealed by using a plastic film, the connecting bolt is taken out from the through hole body of the first sealing plate and the threaded hole body at the first disk edge part, the first sealing plate and the first cylinder part are opened, the filter screen, the pressure plate, the jacking screw and the isolation plate part are taken out from the first cylinder part, the first sealing plate is installed on the first cylinder part by the connecting bolt, the first valve is in a closed state, the second valve is in an open state, the second branch pipe part and the main pipe part are in an open state, and the second branch pipe part is communicated with the disinfection and sterilization gas source part, the sterilizing gas is injected into the box part to make the sterilizing lamp in working state.

The invention designs that the method comprises the following steps: when air is released into the first annular groove body and the second annular groove body through the transverse hole body and the vertical hole body, the flowing air in the first annular groove body and the second annular groove body is subjected to deceleration treatment by the air distributing part.

In the present invention, the first cylinder case, the filter screen, the platen, the tightening screw, and the first seal plate are basic components, and the case, the console, the air duct, the blower, the first valve, the second cylinder case, the inner turning plate, the hold-down screw, the torsion spring, the second seal plate, the illumination lamp, and the sterilamp are functional components, and the case, the spindle head, the leg, the first louver body, the second louver body, the table, the bar, the accommodation hole, the first cylinder, the first disk, the first rod, the first air duct, the partition plate, the disc, the second rod, the second air duct, the main duct, the first branch duct, the second cylinder, the ear seat, the second disk, the first threaded hole, the second threaded hole, the bar, the air duct, the second disk, the air duct, and the like, The design of the technical characteristics of the first annular groove body, the second annular groove body, the transverse hole body and the vertical hole body is the technical characteristics which accord with the patent law and the implementation rules thereof.

In the technical scheme, the superclean bench body, the first cylinder shell, the filter screen, the pressure plate, the first sealing plate and the jacking screw rod which are used for scattering and releasing the air flow needing purification treatment are important technical characteristics, and the superclean bench has novelty, creativity and practicability in the technical field of superclean benches and using methods for biological experiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic view of one of the first embodiments of the present invention,

figure 2 is a schematic view of the structure of the operating table 2,

figure 3 is a schematic view of a second embodiment of the present invention,

a box shell-1, an operation table-2, a first cylinder shell-3, a filter screen-4, a pressure plate-5, a tightening screw-6, a first seal plate-7, an air pipe-8, a fan-9, a first valve-91, a second valve-92, a second cylinder shell-93, an inner overturn plate-94, a compression screw-95, a torsion spring-96, a second seal plate-97, a lighting lamp-98, a disinfection lamp-99, a box part-11, a shaft head part-12, a leg supporting part-14, a first leakage window body-13, a second leakage window body-15, a first leakage window body-15, a second leakage window body-9, a second valve body-92, a second cylinder shell-93, a second leakage window body-94, a compression screw-95, a torsion spring-96, a second seal plate-97, a lighting lamp-98, a disinfection lamp-99, a box part-11, a shaft head part-12, a leg supporting part-14, a first leakage window body-13, a second leakage window body, a third leakage window body, a fourth leakage window body, a third leakage window body, a fourth leakage window body, a,

The gas-filled tube comprises a table part-21, a strip part-22, an accommodating hole body-23, a first tube part-31, a first flange part-32, a first rod part-33, a first gas tube part-34, a partition plate part-35, a disc part-51, a second rod part-52, a second gas tube part-53, a main tube part-81, a first branch tube part-82, a second branch tube part-83, a second tube part-931, an ear seat part-932, a second flange part-933, a first threaded hole body-934, a second threaded hole body-935, a rod part-101, an air tube part-102, a first annular groove body-103, a second annular groove body-104, a transverse hole body-201 and a vertical hole body-202.

Detailed Description

Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

An ultra-clean bench for biological experiments, wherein fig. 1 is one of the first embodiments of the present invention, which is specifically described with reference to the accompanying drawings and comprises a case housing 1, an operation table 2, a first cylinder housing 3, a filter screen 4, a pressure plate 5, a tightening screw 6, a first sealing plate 7, an air duct 8, a blower 9, a first valve 91, a second valve 92, a second cylinder housing 93, an inner turning plate 94, a pressing screw 95, a torsion spring 96, a second sealing plate 97, an illuminating lamp 98 and a sterilizing lamp 99, wherein the operation table 2, the first cylinder housing 3, the blower 9, the second cylinder housing 93, the illuminating lamp 98 and the sterilizing lamp 99 are respectively arranged on the case housing 1, the air duct 8 is arranged between the first cylinder housing 3 and the blower 9, the first valve 91 and the second valve 92 are respectively arranged on the air duct 8, the first cylinder housing 3 is respectively provided with the pressure plate 5 and the first sealing plate 7, and the filter screen 4 is arranged between the first cylinder housing 3 and the pressure plate 5, a tightening screw 6 is provided between the pressure plate 5 and the first sealing plate 7, an inner flap plate 94 and a second sealing plate 97 are provided on the second cylinder 93, and a compression screw 95 and a torsion spring 96 are provided between the inner flap plate 94 and the second cylinder 93.

In the present embodiment, the cabinet 1 is configured to include a cabinet portion 11, a shaft head portion 12 and a leg portion 14 and is provided with a first through-window body 13 and a second through-window body 15 at a front side portion of the cabinet portion 11, a bottom end face upper portion of the cabinet portion 11 is configured to be coupled with the shaft head portion 12 and a bottom end face lower portion of the cabinet portion 11 is configured to be coupled with the leg portion 14, the shaft head portion 12 is configured to be in embedded coupling with the console 2 and the leg portion 14 is configured to be coupled with the blower 9, left and right side portions of the cabinet portion 11 are respectively configured to be coupled with the first barrel housing 3 and the second barrel housing 93 and an inside of a top end face of the cabinet portion 11 is configured to be coupled with the illumination lamp 98 and the sterilizing lamp 99 respectively, the cabinet portion 11 is configured as a rectangular box-shaped body having an arc-shaped top end face portion and the shaft head portion 12 is configured as a circular rod-shaped body, the leg portion 14 is configured as an H-shaped frame-shaped body and the two leg portions 14 are configured to be symmetrically distributed along a vertical center line of the cabinet portion 11, the first and second louver bodies 13 and 15 are respectively provided as circular hole-shaped bodies.

Through case shell 1, formed the support tie point to operation panel 2, first bobbin case 3, fan 9, second bobbin case 93, light 98 and sterilamp 99, by journal portion 12, realized being connected with operation panel 2, by shank portion 14, realized being connected with fan 9, by case portion 11, realized being connected with first bobbin case 3, realized being connected with second bobbin case 93, realized being connected with light 98, realized being connected with sterilamp 99, by first perspective window body 13 and second perspective window body 15, realized entering into the passageway in case portion 11 as operating personnel's arm, its technical purpose lies in: for serving as a support carrier for the console 2, the first cartridge 3, the blower 9, the second cartridge 93, the illumination lamp 98 and the sterilizing lamp 99.

In the present embodiment, the console 2 is provided to include the table portion 21 and the strip portion 22 and the upper end face middle portion of the table portion 21 is provided to be coupled with the strip portion 22, the accommodation hole body 23 is provided in the lower end face middle portion of the table portion 21 and the accommodation hole body 23 is provided to be coupled with the cabinet 1, the lower end face portion of the table portion 21 is provided to be coupled with the cabinet 1 in contact and the table portion 21 is provided as a circular disk-shaped body, the strip portion 22 is provided as a rectangular block-shaped body and the accommodation hole body 23 is provided as a circular blind hole.

The operation table 2 forms a support connection point to the case 1, the housing hole 23 realizes connection with the case 1, the table part 21 and the bar part 22 realize treatment as a biological experiment operation support surface, and the technical aim is as follows: used as a table top component for carrying out biological experiments.

In the present embodiment, the first tube housing 3 is provided to include a first tube portion 31, a first flange portion 32, a first rod portion 33 and a partition plate portion 35 and the lateral outer end portion of the first tube portion 31 is provided to be coupled with the first flange portion 32 and the air duct 8, respectively, the inner end face inner wall of the first tube portion 31 is provided to be coupled with the inner end head of the first rod portion 33 and a first air duct body 34 is provided in the inner end face portion of the first tube portion 31 and the first rod portion 33, the first tube portion 31 is provided to be coupled with the housing 1 in series and the outer end opening portion of the first tube portion 31 is provided to be coupled with the first closing plate 7 in contact, the first flange portion 32 is provided to be coupled with the first closing plate 7 by a connecting bolt and the outer end head of the first rod portion 33 is provided to be coupled with the filter net 4 in contact, the first tube portion 31 is provided to be coupled with the pressure plate 5 and the tightening screw 6 in accommodation and the outer end face inner wall of the first tube portion 31 is provided to be slidably coupled with the partition plate portion 35, the partition plate portion 35 is provided to be screw-coupled with the puller screw 6 and the partition plate portion 35 is provided as a circular sheet-like body, the first tube portion 31 is provided as a circular box-like body and the first flange portion 32 is provided as an annular body having a threaded hole body, the threaded hole body of the first flange portion 32 is provided to be coupled with the connecting bolt on the first closing plate 7 and the first rod portion 33 is provided as a trapezoidal block-like body, the first rod portions 33 are provided to be distributed at intervals along the inner end face inner wall of the first tube portion 31 and the first gas hole port 34 is provided as an L-shaped hole, the lateral hole port portion of the first gas hole port 34 is provided on the inner end face portion of the first tube portion 31 and the vertical hole port portion of the first gas hole port 34 is provided on the side face portion of the first rod portion 33.

Through first shell 3, formed to case shell 1, filter screen 4, pressure disk 5, the tight screw rod 6 in top, the support tie point of first shrouding 7 and tuber pipe 8, by first barrel 31, realized being connected with case shell 1, realized being connected with pressure disk 5, by separation plate 35, realized being connected with the tight screw rod 6 in top, realized being connected with tuber pipe 8, by first stick 33, realized being connected with filter screen 4, by first rim portion 32, realized being connected with first shrouding 7, by first pore casing 34, realized carrying out the intercommunication with case shell 1 and handle, its technical aim at: the support carrier is used for supporting the filter screen 4, the pressure plate 5, the jacking screw rod 6, the first sealing plate 7 and the air pipe 8.

In the present embodiment, the filter net 4 is provided as a circular plate-like body and the filter net 4 is provided to be coupled with the first casing 3 in a sunk manner, one of end surface portions of the filter net 4 is provided to be coupled with the first casing 3 in a contact manner and the other end surface portion of the filter net 4 is provided to be coupled with the platen 5 in a contact manner.

Through filter screen 4, formed the support connection point to first bobbin case 3 and pressure disk 5, by filter screen 4, realized being connected with first bobbin case 3, realized being connected with pressure disk 5, its technical aim at: for use as a means for purifying the air entering the cabinet 1.

In this embodiment, the pressure plate 5 is provided to include a disc portion 51 and a second rod portion 52 and an inner end face portion of the disc portion 51 is provided to be coupled with an inner end of the second rod portion 52, a second air duct body 53 is provided in the disc portion 51 and the second rod portion 52 and an outer end of the second rod portion 52 is provided in contact coupling with the filter mesh 4, an outer end face portion of the disc portion 51 is provided in contact coupling with the tightening screw 6 and the disc portion 51 is provided in sunk coupling with the first barrel casing 3, the disc portion 51 is provided as a circular plate-shaped body and the second rod portion 52 is provided as a trapezoidal block-shaped body, the second rod portions 52 are provided in spaced arrangement along an inner end face portion of the disc portion 51 and the second air duct body 53 is provided as an L-shaped hole, a lateral hole end portion of the second air duct body 53 is provided on the inner end face portion of the disc portion 51 and a vertical hole end portion of the second air duct body 53 is provided on a side face portion of the second rod portion 52.

Through pressure disk 5, formed the support tie point to first bobbin case 3, filter screen 4 and the tight screw rod 6 in top, by dish portion 51, realized being connected with first bobbin case 3, realized being connected with the tight screw rod 6 in top, by second stick 52, realized being connected with filter screen 4, by second gas duct body 53, realized carrying out intercommunication processing, its technical aim at with case shell 1: as one of the parts for press-fixing the filter net 4.

In this embodiment, the tightening screw 6 is set to be a screw whose inner end has three claws and the three claws of the tightening screw 6 are set to be in contact-type coupling with the pressure plate 5, the inner end of the tightening screw 6 is set to be in threaded coupling with the first barrel casing 3 and the outer end of the tightening screw 6 is set to be in contact-type coupling with the first sealing plate 7, the outer end of the tightening screw 6 is set to be in split-type distribution with the inner end of the tightening screw 6 and the outer end of the tightening screw 6 is set to be in threaded coupling with the inner end of the tightening screw 6.

Through the tight screw rod 6 in top, formed the support tie point to first shell of a cylinder 3, pressure disk 5 and first shrouding 7, by the tight screw rod 6 in top, realized being connected with first shell of a cylinder 3, realized being connected with pressure disk 5, realized being connected with first shrouding 7, its technical aim at: and the second part is used for compressing and fixing the filter screen 4.

In this embodiment, the first sealing plate 7 is provided as a lid body having an edge body and the first sealing plate 7 is provided to be snap-coupled with the first cartridge case 3, a through hole body is provided on the edge body of the first sealing plate 7 and the through hole body of the first sealing plate 7 is provided to be coupled with the connecting bolt on the first cartridge case 3, and the inner side surface of the first sealing plate 7 is provided to be coupled with the tightening screw 6 in a contact manner.

Through first shrouding 7, formed the support tie point to first bobbin case 3 and the tight screw rod 6 in top, by first shrouding 7, realized being connected with first bobbin case 3, realized being connected with the tight screw rod 6 in top, its technical aim at: for use as a means for end sealing the first cartridge 3.

In the present embodiment, the duct 8 is provided to include the main duct portion 81, the first branch duct portion 82, and the second branch duct portion 83 and one of the port portions of the main duct portion 81 is provided to be coupled with the inner port portion of the first branch duct portion 82 and the inner port portion of the second branch duct portion 83, respectively, the other of the port portions of the main duct portion 81 is provided to be coupled with the first casing 3 and the outer port portion of the first branch duct portion 82 is provided to be coupled with the blower 9, the first valve 91 is provided on the first branch duct portion 82 and the second valve 92 is provided on the second branch duct portion 83, and the main duct portion 81, the first branch duct portion 82, and the second branch duct portion 83 are provided as circular tubular bodies, respectively.

Through tuber pipe 8, formed the support tie point to first bobbin case 3, fan 9, first valve 91 and second valve 92, by being responsible for portion 81, realized being connected with first bobbin case 3, by first branch pipe portion 82, realized being connected with fan 9, realized being connected with first valve 91, by second branch pipe portion 83, realized being connected with second valve 92, its technical purpose lies in: for serving as a conduit member communicating with the first cartridge housing 3.

In the present embodiment, a housing of the blower 9 is provided to be coupled with the cabinet 1 and an outlet port portion of the blower 9 is provided to be coupled with the air duct 8.

Through fan 9, formed the support tie point to case shell 1 and tuber pipe 8, by fan 9, realized being connected with case shell 1, realized being connected with tuber pipe 8, its technical aim at: for use as a means for supplying gas.

In the present embodiment, the first valve 91 and the second valve 92 are provided as ball valves, respectively, and the first valve 91 and the second valve 92 are provided on the air duct 8, respectively.

Through first valve 91 and second valve 92, formed the support connection point to tuber pipe 8, realized being connected with tuber pipe 8 by first valve 91 and second valve 92, its technical aim at: for use as a control member for opening and closing the duct 8.

In the present embodiment, the second cylinder 93 is provided to include a second cylinder 931, a lug seat 932 and a second rim part 933, and an inner end port upper part of the second cylinder 931 is provided to be coupled to the lug seat 932, a lateral outer end part of the second cylinder 931 is provided to be coupled to the second rim part 933 and a second screw hole 935 is provided on an inner end port lower part of the second cylinder 931, a first screw hole 934 is provided on an inner end port upper side part of the second cylinder 931 and the second cylinder 931 is provided to be coupled to the case 1 in a through-type manner, the lug seat 932 is provided to be coupled to the inner flip plate 94 by a pin shaft and the lug seat 932 is provided to be coupled to the torsion spring 96 in a contact manner, an outer end mouth part of the second cylinder 931 is provided to be coupled to the second closing plate 97 in a contact manner and the second rim part 933 is provided to be coupled to the second closing plate 97 by a connecting bolt, the first screw hole 934 and the second screw hole 935 are provided to be coupled to the compression screw 95 and the second cylinder 931 is provided to be coupled to a pipe having a through-hole A circular body, the second flange part 933 is provided as a circular ring body having a threaded hole body and the threaded hole body of the second flange part 933 is provided to be coupled with a connection bolt on the second closing plate 97, the lug part 932 is provided as a double-plate lug and the first and second threaded hole bodies 934 and 935 are provided as circular hole bodies, respectively.

Through second cartridge 93, formed the support tie point to case shell 1, interior upset board 94, compression screw 95, torsion spring 96 and second shrouding 97, by second section of thick bamboo 931, realized being connected with case shell 1, by ear seat portion 932, realized being connected with interior upset board 94, realized being connected with torsion spring 96, by first screw hole body 934 and second screw hole body 935, realized being connected with compression screw 95, by second rim portion 933, realized being connected with second shrouding 97, its technical aim at lies in: serving as a support carrier for inner roll-over plate 94, hold-down screw 95, torsion spring 96 and second cover plate 97.

In the present embodiment, the inner flip plate 94 is provided as a convex-shaped sheet-like body and the upper end constricted portion of the inner flip plate 94 is provided to be coupled with the second cylindrical case 93 by a pin, the upper end constricted portion of the inner flip plate 94 is provided to be coupled with the torsion spring 96 in a contact manner and the upper and lower end face portions of the inner flip plate 94 are provided with U-shaped opening bodies, respectively, the U-shaped opening body of the inner flip plate 94 is provided to be coupled with the pressing screw 95 and the inner side face portion of the inner flip plate 94 is provided to be coupled with the second cylindrical case 93 in a contact manner.

Through interior inversion board 94, formed the support connection point to second cartridge 93, compression screw 95 and torsion spring 96, by interior inversion board 94, realized being connected with second cartridge 93, realized being connected with torsion spring 96, realized being connected with compression screw 95, its technical objective lies in: as one of the members for sealing the inner port portion of the second cylindrical shell 93.

In the present embodiment, the compression screw 95 is provided as a flat head bolt and the compression screw 95 is provided to be screw-coupled with the second cylinder case 93, and the compression screw 95 is provided to be coupled with the inner flipping plate 94 in series.

Through holding down screw 95, formed the support tie point to second shell 93 and interior inversion board 94, by holding down screw 95, realized being connected with second shell 93, realized being connected with interior inversion board 94, its technical aim at: and a second sealing member for sealing the inner port of the second cylindrical case 93.

In the present embodiment, the torsion spring 96 is provided in nested engagement with the pin between the second cylinder case 93 and the inner roll-over plate 94 and one end of the torsion spring 96 is provided in contact engagement with the second cylinder case 93 and the other end of the torsion spring 96 is provided in contact engagement with the inner roll-over plate 94.

The torque spring 96 forms a supporting connection point for the second cartridge 93 and the inner roll-over plate 94, and the torque spring 96 realizes connection with the second cartridge 93 and the inner roll-over plate 94, so that the technical purpose is as follows: and a third member for sealing the inner port portion of the second cylindrical case 93.

In this embodiment, second closing plate 97 is provided as a cap body having an edge body and second closing plate 97 is provided to be snap-coupled with second cartridge 93, a through hole body is provided on the edge body of second closing plate 97 and the through hole body of second closing plate 97 is provided to be coupled with a connection bolt on second cartridge 93.

Through second shrouding 97, formed the support tie point to second cartridge case 93, by second shrouding 97, realized being connected its technical aim at with second cartridge case 93: for end sealing the outer end opening of the second cylindrical case 93.

In this embodiment, the illumination lamp 98 is configured to be connected to the inner wall of the upper end surface of the cabinet 1 in a hanging manner and the power interface of the illumination lamp 98 is configured to be connected to an external power source through a switch.

Through light 98, formed the support tie point to case shell 1, by light 98, realized being connected with case shell 1, its technical purpose lies in: for use as a component for the lighting process in the cabinet 1.

In this embodiment, the disinfection lamp 99 is an ultraviolet disinfection lamp and the disinfection lamp 99 is a ceiling-mounted connection with the inner wall of the upper end face of the cabinet 1, and the power interface of the disinfection lamp 99 is connected with an external power supply through a switch.

Through sterilamp 99, formed the support tie point to case shell 1, by sterilamp 99, realized being connected with case shell 1, its technical aim at: for use as a component for performing a sterilization process in the cabinet 1.

In the present embodiment, the cabinet 1, the duct 8, the blower 9, the illumination lamp 98, the sterilizing lamp 99, and the first cartridge 3, the filter screen 4, the platen 5, the tightening screw 6, and the first closing plate 7 are disposed so as to be distributed in a manner that the end-head pipe purifies the air, and the cabinet 1, the duct 8, the blower 9, the illumination lamp 98, the sterilizing lamp 99, the first cartridge 3, the filter screen 4, the platen 5, the tightening screw 6, the first closing plate 7, the first valve 91, and the second valve 92 are disposed so as to be distributed in a dual-port arrangement, and the cabinet 1, the duct 8, the blower 9, the illumination lamp 98, the sterilizing lamp 99, the first cartridge 3, the filter screen 4, the platen 5, the tightening screw 6, the first closing plate 7, the second cartridge 93, the inner inversion plate 94, the pressing screw 95, the torsion spring 96, and the second closing plate 97 are disposed so as to be distributed in a manner that the pick-and place passage is formed, and the cabinet 1, the duct 8, the blower 9, the illumination lamp 98, the sterilizing lamp 99, the first cartridge 3, the end-head pipe purifies the air, and the second closing plate 92 are disposed so as to be distributed in a pick-place passage arrangement, The sterilizing lamps 99, the first cylinder shell 3, the filter screen 4, the pressure plate 5, the tightening screw 6, the first sealing plate 7 and the operation table 2 are arranged to be distributed according to a mode of isolating an operation area, the central line of the case shell 1, the central line of the operation table 2, the central line of the fan 9 and the central line of the sterilizing lamps 99 are arranged on the same straight line, the first cylinder shell 3, the filter screen 4, the pressure plate 5, the tightening screw 6 and the first sealing plate 7 are arranged to form a group of end tube air purification parts, two groups of end tube air purification parts are respectively arranged to be arranged on the left side surface part and the right side surface part of the case part 11, the second cylinder shell 93, the inner overturning plate 94, the pressing screw 95, the torsion spring 96 and the second sealing plate 97 are arranged to form a group of taking and placing channel parts, the four groups of taking and placing channel parts are respectively arranged at the corner parts of the case part 11, the illuminating lamps 98 and the sterilizing lamps 99 are respectively arranged to be distributed at intervals along the inner wall of the upper end surface of the case shell 1, the second cylinder portion 931 and the first cylinder portion 31 are respectively provided to be coupled to the tank portion 11, the first cylinder portions 31 are respectively provided to be coupled to the main pipe portion 81, and the accommodation hole body 23 is provided to be coupled to the spindle head portion 12.

The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.

The invention discloses a method for using an ultra-clean bench for biological experiments, which comprises the following steps: the filter basket 4 is placed in the first cylinder 31, the filter basket 4 is brought into contact with the outer end of the first rod 33, the disk part 51 is placed in the first cylinder 31, the outer end of the second rod 52 is made to act on the filter basket 4, the tightening screw 6 is made to rotate on the partition plate part 35, the three claws of the tightening screw 6 are made to act on the disk part 51, the first seal plate 7 is placed on the outer end opening part of the first cylinder 31, the connecting bolt is installed in the through hole of the first seal plate 7 and the threaded hole of the first flange part 32, the first seal plate 7 is installed on the first cylinder 31, the first seal plate 7 simultaneously generates a force to the tightening screw 6, the partition plate part 35 is moved inward in the first cylinder 31, and the filter basket 4 is clamped by the second rod 52,

the biological laboratory test article is put in the second cylinder 931, the second seal plate 97 is put in the open portion of the outer end of the second cylinder 931, the connecting bolt is fitted into the through hole of the second seal plate 97 and the threaded hole of the second flange portion 933, the second seal plate 97 is fitted in the second cylinder 931,

the first valve 91 is opened, the second valve 92 is closed, the first branch pipe 82 and the main pipe 81 are opened, the blower 9 is operated, air is injected into the first cylinder 31 through the first branch pipe 82 and the main pipe 8, the air enters the space between the disk part 51 and the inner end surface inner wall of the first cylinder 31 through the second air hole passage 53, the air is purified by the filter screen 4 and then released into the box part 11 through the first air hole passage 34,

an operator puts the hand into the box part 11 through the first and second through-leakage window bodies 13 and 15, separates the hold-down screw 95 from the second threaded hole body 935, applies a turning force to the upper end constricted part of the inner flip plate 94 to overcome the elastic energy storage of the torsion spring 96, separates the inner flip plate 94 from the inner end port of the second cylinder 931, takes out the biological test article from the second cylinder 931 and puts it on one side surface of the upper end face of the table part 21, performs a first biological test, after the biological test is completed, puts the test article into the second cylinder 931 through the inner end port of the second cylinder 931, mounts the hold-down screw 95 between the U-shaped opening body of the lower end face of the inner flip plate 94 and the second threaded hole body 935, holds down the inner flip plate 94 through the hold-down screw 95, and, when performing a second biological test, puts the biological test article taken out from the second cylinder 931 on the other side surface of the upper end face of the table part 21, the connection bolts are removed from the through-holes of the second seal plate 97 and the screw holes of the second collar part 933, the second seal plate 97 is separated from the second cylinder 931, the test article is removed from the second cylinder 931, the blower 9 is stopped,

when the box part 11 is sterilized, the pressing screw 95 is taken out from the U-shaped opening body and the second threaded hole 935 at the lower end surface of the inner turning plate 94, the pressing screw 95 is mounted on the U-shaped opening body and the first threaded hole 934 at the upper end surface of the inner turning plate 94, the inner turning plate 94 is separated from the inner end port of the second cylinder 931, the first and second penetration window bodies 13 and 15 are sealed with plastic films, the connecting bolt is taken out from the through hole of the first sealing plate 7 and the threaded hole of the first flange part 32, the first sealing plate 7 is separated from the first cylinder 31, the filter screen 4, the pressure plate 5, the holding screw 6 and the isolation plate part 35 are taken out from the first cylinder 31, the first sealing plate 7 is mounted on the first cylinder 31 by the connecting bolt, the first valve 91 is closed, the second door 92 is opened, the second branch pipe part 83 and the main pipe 81 are opened, the second branch pipe portion 83 is connected to a sterilizing gas source, and the sterilizing gas is injected into the box portion 11 to operate the sterilizing lamp 99.

An ultra-clean bench for use in biological experiments, FIG. 3 is a second embodiment of the present invention, which will be described in detail with reference to the accompanying drawings, wherein a first rod 33 and a second rod 52 are provided to include a rod 101 and a gas-distributing table 102, a first gas channel 34 and a second gas channel 53 are provided to include a horizontal channel 201 and a vertical channel 202, a first annular groove 103 and a second annular groove 104 are provided on the side surfaces of the rod 101, respectively, and a horizontal channel 201 and a vertical channel 202 are provided in the rod 101, respectively, an inner end port of the vertical channel 202 is provided to be coupled to the horizontal channel 201 and an outer end port of the vertical channel 202 is provided to be coupled to one of the inner walls of the first annular groove 103 and one of the inner walls of the second annular groove 104, the other of the inner walls of the first annular groove 103 and the second annular groove 104 are provided to be coupled to the gas-distributing table 102 and the rod 101 is provided as a circular disk-shaped body, the gas distributing table part 102 is arranged as a part of a sphere, the first annular groove body 103 and the second annular groove body 104 are arranged as U-shaped annular grooves, the transverse hole body 201 is arranged as a circular blind hole body, the vertical hole body 202 is arranged as an L-shaped hole body, and the gas distributing table part 102 is arranged to be distributed corresponding to the vertical hole body 202.

The invention relates to a method for using an ultra-clean bench for biological experiments, which comprises the following steps: when the air is released into the first annular groove 103 and the second annular groove 104 through the horizontal hole body 201 and the vertical hole body 202, the flowing air in the first annular groove 103 and the second annular groove 104 is subjected to the deceleration process by the gas-distributing table portion 102.

In a third embodiment of the present invention, an open tank is provided on an air-distributing table portion 102 and a dust adsorbing material is provided in the open tank of the air-distributing table portion 102.

In the second embodiment of the present invention, the superclean table body, the first cylinder case 3, the filter screen 4, the pressure plate 5, the first closing plate 7, and the tightening screw 6 are coupled to each other in such a manner that the air flow to be purified is released in a scattered manner.

In the present embodiment, the first cartridge 3 and the platen 5 are coupled to the superclean table body, the filter screen 4, the first closing plate 7, and the tightening screw 6 in such a manner as to form a buffer air flow discharge section.

In this embodiment, the superclean bench body is configured to further include a blower 9, an illumination lamp 98, and a disinfection lamp 99.

In this embodiment, a first accessory device is further included and is disposed on the clean bench body, and the first accessory device is configured to include the first valve 91 and the second valve 92.

In this embodiment, a second accessory device is further included and is arranged on the clean bench body, and the second accessory device is arranged as the operation table 2,

In this embodiment, a third attachment device is further included and is disposed on the clean bench body, and the third attachment device is configured to include a second cylinder case 93, an inner roll-over plate 94, a hold-down screw 95, a torsion spring 96, and a second sealing plate 97.

A second embodiment of the invention is based on the first embodiment,

the second embodiment of the present invention comprises the steps of: realized the operation platform that is used for biological assay by the superclean bench body, realized carrying out purification treatment to the air of pouring into in the superclean bench body by filter screen 4, realized carrying out non-windward setting to the air current through filter screen 4 by first shell 3 and pressure disk 5, realized fixing pressure disk 5 by first shrouding 7 and the tight screw rod 6 in top, realized carrying out the scattering release to the air current that needs purification treatment.

A second embodiment of the invention is based on the first embodiment.

The invention has the following characteristics:

1. owing to designed the superclean bench body, first bobbin case 3, filter screen 4, pressure disk 5, first shrouding 7 and the tight screw rod in top 6, through the superclean bench body, an operation platform for biological assay has been realized, through filter screen 4, realized carrying out purification treatment to the air of pouring into in the superclean bench body, through first bobbin case 3 and pressure disk 5, realized carrying out non-windward setting to the air current through filter screen 4, through first shrouding 7 and the tight screw rod in top 6, realized fixing pressure disk 5, realized carrying out the scattering release to the air current that needs purification treatment, consequently, the life of filter screen has been improved.

2. Because case shell 1, tuber pipe 8, fan 9, light 98 and sterilamp 99 have been designed, realized forming the ultra-clean experimental interval in case shell 1.

3. Due to the design of the first valve 91 and the second valve 92, a stepwise injection of the air flow and the sterilizing gas flow is achieved.

4. Due to the design of the operating platform 2, the operating platforms of different experimental types are arranged in different areas.

5. Due to the design of second cartridge 93, inner roll-over plate 94, compression screw 95, torsion spring 96 and second seal plate 97, a sealed passage to enclosure 1 is provided.

6. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.

7. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.

Still other technical features associated with the clean bench body for scattered release of the air flow to be purified, the first cylinder 3, the filter screen 4, the pressure plate 5, the first closing plate 7 and the tightening screw 6 are all one of the embodiments of the present invention, and the respective technical features of the above-described embodiments may be arbitrarily combined, and in order to satisfy the requirements of patent laws, patent practice rules and examination guidelines, all possible combinations of the respective technical features of the above-described embodiments will not be described.

The above-mentioned embodiment is only one implementation form of the clean bench and the using method for biological experiments provided by the invention, and other variations of the scheme provided by the invention, such as adding or reducing components or steps therein, or applying the invention to other technical fields similar to the invention, belong to the protection scope of the invention.

Claims (10)

1. An ultra-clean workbench for biological experiments and a using method thereof are characterized in that: include the superclean bench body that has case shell (1) and tuber pipe (8), set up first bobbin case (3) between case shell (1) and tuber pipe (8), set up filter screen (4) in first bobbin case (3), pressure disk (5) of setting between first bobbin case (3) and filter screen (4), set up first shrouding (7) on first bobbin case (3), set up tight screw rod (6) in top between pressure disk (5) and first shrouding (7).

2. The clean bench of claim 1 for biological experiments, wherein: the superclean bench body, the first cylinder shell (3), the filter screen (4), the pressure plate (5), the first sealing plate (7) and the jacking screw rod (6) are connected with each other in a manner of scattering and releasing air flow needing purification treatment.

3. The clean bench of claim 2 for biological experiments, wherein: the first cylinder shell (3) and the pressure plate (5) are connected with the superclean workbench body, the filter screen (4), the first sealing plate (7) and the jacking screw rod (6) in a mode of forming a buffer air flow release interval.

4. The clean bench of claim 1 for biological experiments, wherein: the ultra-clean workbench body also comprises a fan (9), a lighting lamp (98) and a disinfection lamp (99),

or, the first accessory device is arranged on the clean bench body and comprises a first valve (91) and a second valve (92),

or, the device also comprises a second accessory device which is arranged on the clean bench body and is arranged as an operation bench (2),

or, still include the third annex device and the third annex device sets up on superclean bench body, and the third annex device sets up to include second cartridge case (93), interior upset board (94), compression screw (95), torsion spring (96) and second shrouding (97).

5. The clean bench of claim 4 for biological experiments, wherein: an operating table (2), a first cylinder shell (3), a fan (9), a second cylinder shell (93), a lighting lamp (98) and a disinfection lamp (99) are respectively arranged on the box shell (1), an air pipe (8) is arranged between the first cylinder shell (3) and the fan (9), a first valve (91) and a second valve (92) are respectively arranged on the air pipe (8), a pressure plate (5) and a first sealing plate (7) are respectively arranged on the first cylinder shell (3), a filter screen (4) is arranged between the first cylinder shell (3) and the pressure plate (5), a jacking screw rod (6) is arranged between the pressure plate (5) and the first sealing plate (7), an inner overturning plate (94) and a second sealing plate (97) are respectively arranged on the second cylinder shell (93), a compression screw (95) and a torsion spring (96) are respectively arranged between the inner overturning plate (94) and the second cylinder shell (93).

6. The clean bench of claim 5 for biological experiments, wherein: the first barrel casing (3) is arranged to include a first barrel part (31), a first flange part (32), a first rod part (33) and a partition plate part (35), the outer end part of the side surface of the first barrel part (31) is respectively connected with the first flange part (32) and the air pipe (8), the inner end surface inner wall of the first barrel part (31) is connected with the inner end head of the first rod part (33) and a first air hole body (34) is arranged in the inner end surface part of the first barrel part (31) and the first rod part (33), the first barrel part (31) is connected with the box casing (1) in a penetrating mode and the outer end opening part of the first barrel part (31) is connected with the first sealing plate (7) in a contact mode, the first flange part (32) is connected with the first sealing plate (7) through a connecting bolt and the outer end head of the first rod part (33) is connected with the filter screen (4) in a contact mode, the first cylinder part (31) is respectively arranged to be in accommodation connection with the pressure plate (5) and the tightening screw (6), the outer end face inner wall of the first cylinder part (31) is in sliding connection with the isolation plate part (35), the isolation plate part (35) is in threaded connection with the tightening screw (6), the isolation plate part (35) is arranged to be a circular sheet-shaped body, the first cylinder part (31) is arranged to be a circular box-shaped body, the first disc edge part (32) is arranged to be a circular ring-shaped body with a threaded hole body, the threaded hole body of the first disc edge part (32) is arranged to be in connection with a connecting bolt on the first sealing plate (7), the first rod part (33) is arranged to be a trapezoid-shaped body, the first rod part (33) is arranged to be distributed at intervals along the inner end face inner wall of the first cylinder part (31) and the first air hole body (34) is arranged to be an L-shaped hole, the transverse hole opening part of the first air hole body (34) is arranged on the inner end face part of the first cylinder part (31) and the first air hole body (34) The end opening part of the vertical hole is arranged on the side surface part of the first rod part (33),

or the filter screen (4) is arranged into a circular sheet-shaped body, the filter screen (4) is arranged to be connected with the first cylinder shell (3) in a sinking way, one end surface part of the filter screen (4) is arranged to be connected with the first cylinder shell (3) in a contact way, the other end surface part of the filter screen (4) is arranged to be connected with the pressure plate (5) in a contact way,

or, the pressure plate (5) is set to include a plate part (51) and a second rod part (52), the inner end face part of the plate part (51) is connected with the inner end of the second rod part (52), a second air duct body (53) is arranged in the plate part (51) and the second rod part (52) and the outer end of the second rod part (52) is connected with the filter screen (4) in a contact mode, the outer end face part of the plate part (51) is connected with the jacking screw rod (6) in a contact mode and the plate part (51) is connected with the first barrel shell (3) in a sinking mode, the plate part (51) is set to be a circular plate body and the second rod part (52) is set to be a trapezoid block body, the second rod parts (52) are arranged along the inner end face part of the plate part (51) in an interval mode and the second air duct body (53) is set to be L-shaped holes, the transverse hole end parts of the second air duct body (53) are arranged on the inner end face part of the plate part (51) and the vertical hole parts of the second air duct body (53) are arranged on the inner end face part of the plate part (51) The body port part is arranged on the side surface part of the second rod part (52),

or the jacking screw rod (6) is set to be a screw rod with three claw bodies at the inner end and the three claw bodies of the jacking screw rod (6) are set to be in contact connection with the pressure plate (5), the inner end of the jacking screw rod (6) is set to be in thread connection with the first cylinder shell (3) and the outer end of the jacking screw rod (6) is set to be in contact connection with the first sealing plate (7), the outer end of the jacking screw rod (6) is set to be in split distribution with the inner end of the jacking screw rod (6) and the outer end of the jacking screw rod (6) is set to be in thread connection with the inner end of the jacking screw rod (6),

or the first sealing plate (7) is arranged into a cover body with an edge body, the first sealing plate (7) is arranged to be buckled with the first cylinder shell (3), the edge body of the first sealing plate (7) is provided with a through hole body, the through hole body of the first sealing plate (7) is arranged to be connected with a connecting bolt on the first cylinder shell (3), the inner side surface part of the first sealing plate (7) is arranged to be in contact connection with the tightening screw rod (6),

or, case (1) sets up to include case portion (11), axle head portion (12) and shank (14) and be provided with first perspective window body (13) and second perspective window body (15) at the preceding side portion of case portion (11), the bottom end face upper portion of case portion (11) sets up to hookup with axle head portion (12) and the bottom end face lower part of case portion (11) sets up to hookup with shank (14), axle head portion (12) set up to and operation panel (2) embedded hookup and shank (14) set up to hookup with fan (9), the left and right sides side portion of case portion (11) sets up respectively to hookup with first barrel casing (3) and second barrel casing (93) and the top end inside of case portion (11) sets up respectively to hookup with light (98) and disinfection lamp (99), case portion (11) set up to the rectangle box that has arc top end face portion and axle head portion (12) set up to circular rod-shaped body, the leg parts (14) are arranged to be H-shaped frame bodies, the two leg parts (14) are symmetrically distributed along the vertical central line of the box part (11), the first and second through-leakage window bodies (13, 15) are respectively arranged to be circular hole bodies,

or, the air duct (8) is set to include a main duct portion (81), a first branch duct portion (82) and a second branch duct portion (83) and one of the port portions of the main duct portion (81) is set to be coupled with the inner port portion of the first branch duct portion (82) and the inner port portion of the second branch duct portion (83), respectively, another one of the port portions of the main duct portion (81) is set to be coupled with the first cylindrical case (3) and the outer port portion of the first branch duct portion (82) is set to be coupled with the blower (9), a first valve (91) is provided on the first branch duct portion (82) and a second valve (92) is provided on the second branch duct portion (83), the main duct portion (81), the first branch duct portion (82) and the second branch duct portion (83) are set to be circular tubular bodies, respectively,

or the shell of the fan (9) is connected with the box shell (1) and the opening part of the output end of the fan (9) is connected with the air pipe (8),

or the illuminating lamp (98) is arranged to be connected with the inner wall of the upper end surface of the box shell (1) in a hoisting way, and the power interface of the illuminating lamp (98) is arranged to be connected with an external power supply through a switch,

or the sterilizing lamp (99) is set as an ultraviolet sterilizing lamp and the sterilizing lamp (99) is set as a hanging connection with the inner wall of the upper end surface of the case shell (1), the power interface of the sterilizing lamp (99) is set as a connection with an external power supply through a switch,

or the first valve (91) and the second valve (92) are respectively arranged as ball valves and the first valve (91) and the second valve (92) are respectively arranged on the air pipe (8),

or, the console (2) is provided to include a table portion (21) and a strap portion (22) and the upper end face middle portion of the table portion (21) is provided to be coupled with the strap portion (22), a housing hole body (23) is provided in the lower end face middle portion of the table portion (21) and the housing hole body (23) is provided to be coupled with the cabinet case (1), the lower end face portion of the table portion (21) is provided to be coupled with the cabinet case (1) in contact and the table portion (21) is provided to be a circular disk-shaped body, the strap portion (22) is provided to be a rectangular block-shaped body and the housing hole body (23) is provided to be a circular blind hole,

or, the second cylinder case (93) is provided to include a second cylinder portion (931), a lug seat portion (932) and a second rim portion (933) and an inner end port upper portion of the second cylinder portion (931) is provided to be coupled with the lug seat portion (932), a side outer end portion of the second cylinder portion (931) is provided to be coupled with the second rim portion (933) and a second threaded hole body (935) is provided on a lower portion of the inner end port of the second cylinder portion (931), a first threaded hole body (934) is provided on an upper side portion of the inner end port of the second cylinder portion (931) and the second cylinder portion (931) is provided to be coupled through the case (1), the lug seat portion (932) is provided to be coupled with the inner flip plate (94) by a pin shaft and the lug seat portion (932) is provided to be coupled with the torsion spring (96) in contact, a mouth portion of the second cylinder portion (931) is provided to be coupled with the second seal plate (97) in contact and the second rim portion (933) is provided to be coupled with the second seal plate (97) by a connection bolt in contact, the first threaded hole body (934) and the second threaded hole body (935) are respectively provided to be coupled with the compression screw (95) and the second barrel portion (931) is provided as a tubular body having a rectangular through hole, the second rim portion (933) is provided as a circular ring-shaped body having a threaded hole body and the threaded hole body of the second rim portion (933) is provided to be coupled with a connecting bolt on the second closing plate (97), the lug portion (932) is provided as a double lug and the first threaded hole body (934) and the second threaded hole body (935) are respectively provided as circular hole bodies,

or, the inner roll-over plate (94) is arranged into a convex shape sheet body, the upper end contraction part of the inner roll-over plate (94) is arranged to be connected with the second cylinder shell (93) through a pin shaft, the upper end contraction part of the inner roll-over plate (94) is arranged to be connected with a torsion spring (96) in a contact way, the upper end part and the lower end part of the inner roll-over plate (94) are respectively provided with a U-shaped opening body, the U-shaped opening body of the inner roll-over plate (94) is arranged to be connected with a compression screw (95) and the inner side part of the inner roll-over plate (94) is arranged to be connected with the second cylinder shell (93) in a contact way,

or the compression screw (95) is arranged to be a flat-head bolt, the compression screw (95) is arranged to be in threaded connection with the second cylinder shell (93), the compression screw (95) is arranged to be in serial connection with the inner overturning plate (94),

or the torsion spring (96) is arranged to be sleeved and connected with a pin shaft between the second cylinder shell (93) and the inner overturning plate (94), one end of the torsion spring (96) is arranged to be in contact connection with the second cylinder shell (93), the other end of the torsion spring (96) is arranged to be in contact connection with the inner overturning plate (94),

or the second sealing plate (97) is arranged to be a cover-shaped body with an edge body, the second sealing plate (97) is arranged to be buckled with the second cylinder shell (93), a through hole body is arranged on the edge body of the second sealing plate (97), and the through hole body of the second sealing plate (97) is arranged to be connected with a connecting bolt on the second cylinder shell (93).

7. The clean bench of any one of claims 1 to 6, wherein: case shell (1), tuber pipe (8), fan (9), light (98) and sterilamp (99) and first cartridge case (3), filter screen (4), pressure disk (5), tight screw rod in top (6) and first shrouding (7) set up to distribute and case shell (1) according to the mode of end head pipe air-purifying, fan (9), light (98), sterilamp (99), first cartridge case (3), filter screen (4), pressure disk (5), tight screw rod in top (6) and first shrouding (7) and first valve (91) and second valve (92) set up to distribute according to the mode of dual-port setting, case shell (1), tuber pipe (8), fan (9), light (98), sterilamp (99), first cartridge case (3), filter screen (4), pressure disk (5), tight screw rod in top (6) and first shrouding (7) and second cartridge case (93), The inner overturning plate (94), the compression screw (95), the torsion spring (96) and the second sealing plate (97) are arranged to be distributed according to a mode of taking and placing channels, the box shell (1), the air pipe (8), the fan (9), the illuminating lamp (98), the sterilizing lamp (99), the first cylinder shell (3), the filter screen (4), the pressure plate (5), the jacking screw (6), the first sealing plate (7) and the operating platform (2) are arranged to be distributed according to a mode of isolating an operating area, the central line of the box shell (1), the central line of the operating platform (2), the central line of the fan (9) and the central line of the sterilizing lamp (99) are arranged on the same straight line, one first cylinder shell (3), one filter screen (4), one pressure plate (5), one jacking screw (6) and one first sealing plate (7) are arranged to form a group of end head pipe air purifying parts, and two groups of end head pipe air purifying parts are respectively arranged on the left side surface part and the right side surface part of the box part (11), a second cylinder (93), an inner turning plate (94), a compression screw (95), a torsion spring (96) and a second closing plate (97) are arranged to constitute a set of access passage parts and four sets of access passage parts are respectively arranged at the corners of the box part (11), the illuminating lamps (98) and the sterilizing lamps (99) are respectively arranged to be distributed at intervals along the inner wall of the upper end face of the box casing (1), the second cylinder (931) and the first cylinder (31) are respectively arranged to be coupled with the box part (11), the first cylinder (31) is respectively arranged to be coupled with the main pipe (81), and the accommodation hole (23) is arranged to be coupled with the shaft head part (12).

8. The clean bench of claim 7 for biological experiments, wherein: the first rod part (33) and the second rod part (52) are arranged to include a rod part (101) and a gas-dividing table part (102) and the first gas channel body (34) and the second gas channel body (53) are arranged to include a cross hole body (201) and a vertical hole body (202), the side surfaces of the rod part (101) are respectively provided with a first annular groove body (103) and a second annular groove body (104) and the rod part (101) is respectively provided with a cross hole body (201) and a vertical hole body (202), the inner end port part of the vertical hole body (202) is arranged to be coupled with the cross hole body (201) and the outer end port part of the vertical hole body (202) is arranged on one of the inner walls of the first annular groove body (103) and one of the inner walls of the second annular groove body (104), the other of the inner walls of the first annular groove body (103) and the other of the second annular groove body (104) are arranged to be coupled with the gas-dividing table part (102) and the rod part (101) is arranged to be a circular disk-shaped body, the gas distributing platform part (102) is arranged to be a part of a sphere, the first annular groove body (103) and the second annular groove body (104) are arranged to be U-shaped annular grooves, the transverse hole body (201) is arranged to be a round blind hole body, the vertical hole body (202) is arranged to be an L-shaped hole body, the gas distributing platform part (102) is arranged to be distributed corresponding to the vertical hole body (202),

or an open groove body is arranged on the gas distribution platform part (102) and a dust adsorbing material is arranged in the open groove body of the gas distribution platform part (102).

9. A use method of an ultra-clean workbench for biological experiments is characterized in that: the method comprises the following steps: realized the operation platform that is used for biological experiment by the superclean bench body, realized carrying out purification treatment to the air of pouring into in the superclean bench body by filter screen (4), realized carrying out non-windward setting to the air current through filter screen (4) by first bobbin casing (3) and pressure disk (5), realized fixing pressure disk (5) by first shrouding (7) and top tight screw rod (6), realized carrying out the scattering release to the air current that needs purification treatment.

10. The use method of the clean bench for biological experiments as claimed in claim 4, wherein: the method comprises the following steps: placing the filter screen (4) in the first cylinder (31), bringing the filter screen (4) into contact with the outer end of the first rod (33), placing the disk (51) in the first cylinder (31), causing the outer end of the second rod (52) to act on the filter screen (4), rotating the tightening screw (6) on the partition plate (35), causing the three claws of the tightening screw (6) to act on the disk (51), placing the first seal plate (7) on the outer-end open portion of the first cylinder (31), installing the connecting bolt in the through-hole of the first seal plate (7) and the threaded hole of the first flange (32), installing the first seal plate (7) on the first cylinder (31), simultaneously generating a force to the tightening screw (6) by the first seal plate (7), causing the partition plate (35) to move inward in the first cylinder (31), and clamping the filter screen (4) by the second rod (52),

placing the biological laboratory product in the second cylinder section (931), placing the second sealing plate (97) in the open mouth portion of the outer end of the second cylinder section (931), fitting the connecting bolt in the through hole body of the second sealing plate (97) and the threaded hole body of the second flange section (933), fitting the second sealing plate (97) in the second cylinder section (931),

the first valve (91) is in an open state, the second valve (92) is in a closed state, the first branch pipe part (82) and the main pipe part (81) are in an open state, the fan (9) is in a working state, air is injected into the first cylinder part (31) through the first branch pipe part (82) and the main pipe part (81), the air enters a space between the disc part (51) and the inner end face inner wall of the first cylinder part (31) through the second air hole part (53), the air is purified by the filter screen (4) and then released into the box part (11) through the first air hole part (34),

an operator puts the hand into the box part (11) through the first leakage window body (13) and the second leakage window body (15), separates the compression screw (95) from the second threaded hole body (935), applies a turning force to the upper end contraction part of the inner turnover plate (94), overcomes the elastic energy storage of the torsion spring (96), separates the inner turnover plate (94) from the inner end port of the second cylinder part (931), takes out the biological experiment product from the second cylinder part (931) and puts the biological experiment product on one side surface of the upper end surface of the table part (21), carries out a first biological experiment, after finishing the biological experiment, puts the experiment product into the second cylinder part (931) through the inner end port of the second cylinder part (931), makes the compression screw (95) installed between the U-shaped opening body at the lower end surface of the inner turnover plate (94) and the second threaded hole body (935), compresses the turnover plate (94) through the compression screw (95), when a second biological experiment is performed, the biological experiment article taken out of the second barrel part (931) is placed on the other side surface of the upper end surface of the table part (21), the connecting bolt is taken out from the through hole body of the second sealing plate (97) and the threaded hole body of the second flange part (933), the second sealing plate (97) is separated from the second barrel part (931), the experimental article is taken out of the second barrel part (931), and the fan (9) is stopped,

when the box part (11) is disinfected, the compression screw (95) is taken out from the U-shaped opening body and the second threaded hole body (935) at the lower end face part of the inner turnover plate (94), the compression screw (95) is installed in the U-shaped opening body and the first threaded hole body (934) at the upper end face part of the inner turnover plate (94), the inner turnover plate (94) is separated from the inner end port of the second cylinder part (931), the first through-leakage window body (13) and the second through-leakage window body (15) are sealed by using plastic films, the connecting bolt is taken out from the through-hole body of the first sealing plate (7) and the threaded hole body of the first flange part (32), the first sealing plate (7) is separated from the first cylinder part (31), the filter screen (4), the pressure plate (5), the jacking screw (6) and the isolation plate part (35) are taken out from the first cylinder part (31), and the first sealing plate (31) is installed on the first cylinder part (7) through the connecting bolt, the first valve (91) is closed, the second valve (92) is opened, the second branch pipe part (83) and the main pipe part (81) are opened, the second branch pipe part (83) is communicated with a sterilization gas source, the sterilization gas is injected into the box part (11) to make the sterilization lamp (99) in a working state,

or, the steps are: when air is released into the first annular groove body (103) and the second annular groove body (104) through the transverse hole body (201) and the vertical hole body (202), the flowing air in the first annular groove body (103) and the second annular groove body (104) is subjected to deceleration treatment by the air distributing table portion (102).

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