CN211800894U

CN211800894U - Biological safety cabinet

Info

Publication number: CN211800894U
Application number: CN202020343829.2U
Authority: CN
Inventors: 祝晓栋
Original assignee: Heibei Agricultural University
Current assignee: Heibei Agricultural University
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-30
Anticipated expiration: 2030-03-18

Abstract

The utility model relates to a biosafety cabinet technical field especially relates to an agricultural sprinkler, solves current biosafety cabinet and blocks up the filter screen easily at the inlet end dust when filtering, does not carry out the shortcoming of album dirt, has still solved the shortcoming that the end of giving vent to anger does not carry out the disinfection measure. The novel cabinet comprises a cabinet body, the left end fixedly connected with intake pipe of the cabinet body, the lower extreme fixedly connected with cartridge filter of intake pipe, there is a collection dirt lid bottom of cartridge filter through threaded connection, the inboard fixedly connected with bracing piece of collection dirt lid. This scheme is through at external meter intake pipe of cabinet, the bottom design cartridge filter of intake pipe, the dust is collected to cartridge filter bottom design collection dirt lid, and design supporting disk and first filter screen constitute filtering component, still installs the spring on the supporting disk, supporting disk bottom contact support pole for when the air current flows, utilize the elasticity of spring, make first filter screen vibrations, make the difficult jam of first filter screen, lead to the intake efficiency to reduce.

Description

Biological safety cabinet

Technical Field

The utility model relates to a biological safety cabinet technical field especially relates to a biological safety cabinet.

Background

The biosafety cabinet is designed for protecting the operator, the laboratory environment and the experimental materials from being exposed to infectious aerosols and splashes which may be generated in the operation process when operating infectious experimental materials such as primary cultures, strains of bacteria and viruses and diagnostic specimens.

A ventilation device is generally designed in the biological safety cabinet, and air inlet and exhaust are realized by filtering through a filter screen with good performance. However, clogging is likely to occur during filtration at the inlet end, and dust lacks a collection measure, and only microorganisms are filtered at the outlet end, but there is a lack of a continuous sterilization measure. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the dust of the prior biological safety cabinet easily blocks the filter screen when the air inlet end is filtered, does not have the defect of dust collection, and also solves the defect that the air outlet end does not have the disinfection measure, thereby providing the biological safety cabinet.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a biosafety cabinet comprises a cabinet body, wherein the left end of the cabinet body is fixedly connected with an air inlet pipe, the lower end of the air inlet pipe is fixedly connected with a filter cylinder, the bottom of the filter cylinder is connected with a dust collecting cover through screw threads, the inner side of the dust collecting cover is fixedly connected with a supporting rod, the upper end of the supporting rod is in contact connection with a supporting disk, the lower end of the supporting disk is adhered with a first filter screen, the upper end of the supporting disk is provided with a spring which is contacted with the top end of the interior of the filter cylinder, the right wall of the cabinet body is fixedly connected with an exhaust pipe, the right end of the exhaust pipe is fixedly connected with a disinfection cylinder, the upper end of the disinfection cylinder is fixedly provided with a fan, the lower end of the disinfection cylinder is connected with a bottom cover through threads, a disinfection lamp is fixedly arranged in the bottom cover, a supporting shell is fixedly connected in the disinfection cylinder, and a second filter screen is bonded on the surface of the supporting shell.

Preferably, the support plate is in sliding connection with the inner wall of the filter cartridge, and the support plate is of a porous hollow structure.

Preferably, the side wall of the filter cylinder is provided with a plurality of air inlets.

Preferably, the lower end of the exhaust pipe is fixedly connected with an air suction cover, and the air suction cover is in an inverted funnel shape.

Preferably, the dust collection cover and the support rod are of an integrated structure, and the dust collection cover is of a concave cavity structure.

Preferably, the supporting shell is of a porous hollow structure, and the bottom of the supporting shell is arc-surface-shaped.

The utility model has the advantages that: according to the scheme, the air inlet pipe is arranged outside the cabinet body, the filter cylinder is arranged at the bottom of the air inlet pipe, the dust collecting cover is arranged at the bottom of the filter cylinder to collect dust, the support disc and the first filter screen are designed to form a filter assembly, the spring is further mounted on the support disc, the bottom of the support disc is in contact with the support rod, so that when airflow flows, the first filter screen vibrates by utilizing the elasticity of the spring, the first filter screen is not easy to block, and the air inlet efficiency is reduced;

through a disinfection section of thick bamboo of design at the blast pipe end, bottom installation sterilamp in a disinfection section of thick bamboo, and support shell and second filter screen at a disinfection section of thick bamboo internal design for when microorganism is on attached to the second filter screen, can be continuously disinfected by the sterilamp, it is effectual to disinfect.

Drawings

FIG. 1 is a schematic structural view of a biosafety cabinet according to the present invention;

FIG. 2 is an enlarged cross-sectional view of the filter cartridge of FIG. 1 of a biosafety cabinet according to the present invention;

FIG. 3 is an enlarged cross-sectional view of the disinfection cylinder of FIG. 1 of a biosafety cabinet according to the present invention;

FIG. 4 is a top view of the support plate of FIG. 2 of a biosafety cabinet according to the present invention;

fig. 5 is a front view of the supporting shell of fig. 3 of a biosafety cabinet according to the present invention.

In the figure: the air cleaner comprises a cabinet body 1, an air inlet pipe 2, a filter cylinder 3, an air inlet 4, a dust collecting cover 5, a supporting rod 6, a supporting plate 7, a first filter screen 8, a spring 9, an exhaust pipe 10, an air suction cover 11, a disinfection cylinder 12, a fan 13, a bottom cover 14, a disinfection lamp 15, a supporting shell 16 and a second filter screen 17.

Detailed Description

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

Referring to fig. 1-5, a biosafety cabinet comprises a cabinet body 1, an air inlet pipe 2 is fixedly connected to the left end of the cabinet body 1, a filter cartridge 3 is fixedly connected to the lower end of the air inlet pipe 2, a dust collecting cover 5 is connected to the bottom of the filter cartridge 3 through a screw thread, a support rod 6 is fixedly connected to the inner side of the dust collecting cover 5, a support plate 7 is connected to the upper end of the support rod 6 in a contact manner, a first filter screen 8 is bonded to the lower end of the support plate 7, a spring 9 is mounted at the upper end of the support plate 7 and contacts with the top end of the interior of the filter cartridge 3, an exhaust pipe 10 is fixedly connected to the right wall of the cabinet body 1, a disinfection cylinder 12 is fixedly connected to the right end of the exhaust pipe 10, a fan 13 is fixedly mounted at the upper end of the disinfection cylinder 12, model number is HBSJD01, belongs to prior art, and is equipped with the switch, and fixedly connected with support shell 16 in disinfection section of thick bamboo 12, the surface bonding of support shell 16 has second filter screen 17.

According to the scheme, the air inlet pipe 2 is arranged outside the cabinet body 1, the filter cylinder 3 is arranged at the bottom of the air inlet pipe 2, the dust collecting cover 5 is arranged at the bottom of the filter cylinder 3 to collect dust, the support plate 7 and the first filter screen 8 are designed to form a filter assembly, the spring 9 is further installed on the support plate 7, the bottom of the support plate 7 is in contact with the support rod, and when airflow flows, the first filter screen 8 is vibrated by utilizing the elasticity of the spring 9, so that the first filter screen 8 is not easy to block, and the air inlet efficiency is reduced;

through in the terminal design disinfection section of thick bamboo 12 of blast pipe 10, bottom installation sterilamp 15 in the disinfection section of thick bamboo 12, and support shell 16 and second filter screen 17 at the inside design of a disinfection section of thick bamboo 12 for when the microorganism is attached to on second filter screen 17, can be continuously disinfected by sterilamp 15, it is effectual to disinfect.

In this embodiment, the supporting disk 7 is connected with the inner wall of the filter cartridge 3 in a sliding manner, and the supporting disk 7 has a porous hollow structure. Through the design of the porous hollow structure, air can flow through.

In this embodiment, the side wall of the filter cartridge 3 is provided with a plurality of air inlets 4. The air inlet 4 is designed to allow air to enter the filter cartridge 3.

In this embodiment, an intake cover 11 is fixedly connected to a lower end of the exhaust pipe 10, and the intake cover 11 has an inverted funnel shape. The design of the air suction hood 11 is beneficial to sucking air in a local area.

In this embodiment, the dust collecting cover 5 and the supporting rod 6 are integrated, and the dust collecting cover 5 is a hollow structure. Through the design of the concave cavity structure, dust can be collected conveniently.

In this embodiment, the supporting shell 16 is a porous hollow structure, and the bottom of the supporting shell 16 is arc-surface shaped. Through the design of the porous hollow structure, air can flow through.

When the air purifier is used, the fan 13 and the sterilizing lamp 15 are turned on, the fan 13 sucks air in the sterilizing cylinder 12, so that the air in the cabinet body 1 enters the sterilizing cylinder 12 through the air suction cover 11 and the exhaust pipe 10, the air outside the cabinet body 1 enters the filter cylinder 3 through the air inlet 4, then the air sequentially passes through the first filter screen 8, the support disc 7 and the air inlet pipe 2 and then enters the cabinet body 1, air circulation is realized, when the air passes through the first filter screen 8, dust can be filtered, and the air flow can push the first filter screen 8 to move, so that the spring 9 on the support disc 7 vibrates, the first filter screen 8 vibrates continuously, the dust is not easy to block the first filter screen 8, and the dust collection cover 5 designed at the bottom of the filter cylinder 3 can be used for collecting dust; when the air in the cabinet body 1 passes through the exhaust pipe 10 and gets into a disinfection section of thick bamboo 12, the air can flow out through second filter screen 17, support shell 16 and fan 13 in proper order, and the microorganism can be filtered by second filter screen 17, and because the installation of sterilamp 15, can eliminate the microorganism, sustainable disinfection, effectual.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The biosafety cabinet comprises a cabinet body (1) and is characterized in that an air inlet pipe (2) is fixedly connected to the left end of the cabinet body (1), a filter cylinder (3) is fixedly connected to the lower end of the air inlet pipe (2), a dust collecting cover (5) is connected to the bottom of the filter cylinder (3) through threads, a supporting rod (6) is fixedly connected to the inner side of the dust collecting cover (5), a supporting disk (7) is connected to the upper end of the supporting rod (6) in a contact manner, a first filter screen (8) is bonded to the lower end of the supporting disk (7), a spring (9) is installed at the upper end of the supporting disk (7), the spring (9) is in contact with the top end of the interior of the filter cylinder (3), an exhaust pipe (10) is fixedly connected to the inside of the right wall of the cabinet body (1), a disinfection cylinder (12) is fixedly connected to, the lower end of the disinfection cylinder (12) is connected with a bottom cover (14) through threads, a disinfection lamp (15) is fixedly installed in the bottom cover (14), a supporting shell (16) is fixedly connected in the disinfection cylinder (12), and a second filter screen (17) is bonded on the surface of the supporting shell (16).

2. The biosafety cabinet according to claim 1, characterized in that the support plate (7) is slidably connected with the inner wall of the filter cartridge (3), and the support plate (7) is of a porous hollow structure.

3. The biosafety cabinet according to claim 1, characterized in that the side wall of the filter cartridge (3) is provided with a plurality of air inlets (4), and the air inlets (4) are provided.

4. The biosafety cabinet according to claim 1, characterized in that an air suction cover (11) is fixedly connected to the lower end of the exhaust pipe (10), and the air suction cover (11) is in an inverted funnel shape.

5. The biosafety cabinet according to claim 1, characterized in that the dust collecting cover (5) and the supporting rod (6) are of an integral structure, and the dust collecting cover (5) is of a hollow cavity structure.

6. The biosafety cabinet according to claim 1, characterized in that the supporting shell (16) is a porous hollow structure, and the bottom of the supporting shell (16) is arc-shaped.