CN220992261U - Purification performance fume hood for nuclear medicine - Google Patents

Abstract

The utility model discloses a fume hood with a purification function for nuclear medicine, which relates to the technical field of fume hoods and comprises a fume hood main body, an operation platform, a cabinet door and an illuminating lamp, wherein ventilation openings are formed in two sides of the inside of the fume hood main body, a ventilation assembly is arranged at the bottom of the ventilation opening, air passage pipes are communicated with the side surfaces of the ventilation assembly, and a filtering mechanism is arranged in the ventilation opening.

Description

Purification performance fume hood for nuclear medicine

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a fume hood with a purification function for nuclear medicine.

Background

Fume hoods, also known as fume hoods, are a large-scale device in laboratories, particularly chemical laboratories. The purpose is to reduce the contact between experimenters and harmful gases, and the complete isolation requires the use of a glove box. Fume hoods are the primary barrier to protect personnel from toxic chemical fumes. The device can be used as important safety backup equipment, and can effectively discharge harmful gas when chemical smog, dust and toxic gas are generated like failure in a chemical experiment process, so that workers and laboratory environment are protected. The experiment uses environment protection as own, and has wide market prospect.

According to patent application number 201720897578.0, a fume hood for chemistry experiments of area purification performance is disclosed, including cupboard and filter, the cupboard is inside to pass through bolt and filter fixed connection, the cupboard outside is provided with the cupboard frame, the cupboard frame top passes through bolt and light fixed connection, the light below bonds with the glass door, the glass door below is provided with the water pipe, the water pipe below passes through bolt and workstation fixed connection, the workstation both sides are provided with the gas circuit pipe, the inside bearing and exhaust fan swing joint that pass through of gas circuit pipe, workstation below and sewer pipe connection, gas circuit pipe bottom and filter pipe connection, the gas circuit pipe left side is provided with the power. The chemical experiment ventilation cabinet with the purification function has the advantages of reasonable structural design, safety, reliability, convenient installation, rapid collection of chemical experiment gas, high ventilation efficiency, good purification effect and the like, is simple to repair and maintain, is fast to disassemble and assemble, and can be widely popularized and used.

Above-mentioned technical scheme has following defect, filters the air through the filter screen, but the filter screen is installed inside the filter, when need dismantle the change to the filter screen, need demolish the filter, and operation process is loaded down with trivial details, inconvenient change installation, inconvenient use.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a fume hood with a purification function for nuclear medicine.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a purification performance fume hood for nuclear medicine, includes fume hood main part, operation platform, cabinet door and light, the inside fixedly connected with operation platform of fume hood main part fluting, fume hood main part bottom rotates and is connected with the cabinet door, fume hood main part fluting top is provided with the light, the vent has all been seted up to the inside both sides of fume hood main part, the vent bottom is provided with ventilation assembly, ventilation assembly side intercommunication has the gas circuit pipe, the inside filter media that is provided with of vent.

Preferably, the filtering mechanism comprises a filtering frame, the filtering frame is clamped with the ventilation opening, two groups of fixing plates are arranged inside the filtering frame, and a filter screen is arranged inside the filtering frame.

Preferably, the fixed plates are provided with two groups, one group of the fixed plates is fixedly connected with the filter frame, the other group of the fixed plates is slidably connected with the filter frame, and the filter screen is arranged between the two groups of the fixed plates.

Preferably, the fixed plate is internally provided with a threaded rod, the bottom end of the threaded rod is arranged on the connecting block, the connecting block is arranged inside the bottom fixed plate, the connecting block is rotationally connected with the fixed plate, and the top end of the threaded rod is fixedly connected with the rotating handle.

Preferably, a group of fixed plate top fixedly connected with two sets of gag levers, gag lever post top fixedly connected with stopper.

Preferably, the fixed plate is in threaded rotation connection with the threaded rod, the fixed plate is arranged outside the two groups of limiting rods, and the fixed plate is in sliding connection with the limiting rods.

Preferably, the pore diameter of the filter screen is 2mm.

Advantageous effects

Compared with the prior art, the utility model provides the fume hood with the purification function for nuclear medicine, which has the following beneficial effects:

1. The filter frame is clamped inside the ventilation opening, the ventilation assembly arranged at the bottom of the ventilation opening purifies air and is discharged through the air channel pipe, the filter frame is fixedly connected with the filter screen through the two groups of fixing plates, the aperture of the filter screen is 2mm, impurities in the air can be filtered, and the air can be effectively and quickly purified.

2. Through the rotation handle for the rotation handle drives the threaded rod rotation, and the connecting block that the threaded rod bottom set up rotates in bottom fixed plate, threaded rod and top fixed plate threaded connection, thereby makes the fixed plate atress slide on two sets of gag levers, and the stopper that the gag lever levers top set up is spacing to fixed plate sliding distance, thereby fixes through two sets of fixed plates, and easy operation is swift, convenient dismantlement installation.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic perspective view of a filtering mechanism according to the present utility model;

Fig. 4 is a schematic diagram of a three-dimensional dynamic structure of the filtering mechanism of the present utility model.

Fig. 5 is a schematic diagram of the structure a in fig. 4 according to the present utility model.

In the figure: 1. a fume hood body; 11. a vent; 12. a ventilation assembly; 13. the gas path pipe; 14. a filter frame; 15. a fixing plate; 16. a filter screen; 17. a threaded rod; 18. a connecting block; 19. a rotating handle; 20. a limit rod; 21. a limiting block; 2. an operating platform; 3. a cabinet door; 4. an illuminating lamp.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a fume hood with purification function for nuclear medicine comprises a fume hood main body 1, an operation platform 2, a cabinet door 3 and an illuminating lamp 4, wherein the operation platform 2 is fixedly connected in a groove of the fume hood main body 1, the cabinet door 3 is rotatably connected to the bottom of the fume hood main body 1, the illuminating lamp 4 is arranged at the top of the groove of the fume hood main body 1, ventilation openings 11 are formed in two sides of the inside of the fume hood main body 1, a ventilation assembly 12 is arranged at the bottom of the ventilation opening 11, a gas pipe 13 is communicated with the side face of the ventilation assembly 12, a filtering mechanism is arranged in the ventilation opening 11, the filtering mechanism comprises a filtering frame 14, the filtering frame 14 is clamped with the ventilation opening 11, two groups of fixing plates 15 are arranged in the filtering frame 14, a filter screen 16 is arranged in the filtering frame 14, two groups of fixing plates 15 are fixedly connected with the filtering frame 14, the other groups of fixing plates 15 are slidingly connected with the filtering frame 14, the filter screen 16 is arranged between the two groups of fixing plates 15, and the aperture of the filter screen 16 is 2mm;

through above-mentioned technical scheme, with filter frame 14 joint inside vent 11, vent assembly 12 that vent 11 bottom set up purifies the air to discharge through gas circuit pipe 13, filter frame 14 is inside to be connected with filter screen 16 through two sets of fixed plates 15 fixedly, and filter screen 16 aperture is 2mm, can filter the impurity in the air, can carry out effective quick purification to the air.

Referring to fig. 1, 4 and 5, a threaded rod 17 is arranged inside a fixed plate 15, the bottom end of the threaded rod 17 is arranged at a connecting block 18, the connecting block 18 is arranged inside a bottom fixed plate 15, the connecting block 18 is rotationally connected with the fixed plate 15, a rotating handle 19 is fixedly connected to the top end of the threaded rod 17, two groups of limiting rods 20 are fixedly connected to the top of one group of fixed plates 15, a limiting block 21 is fixedly connected to the top of each limiting rod 20, the fixed plate 15 is rotationally connected with the threaded rod 17 through threads, the fixed plate 15 is arranged outside the two groups of limiting rods 20, and the fixed plate 15 is slidingly connected with the limiting rods 20;

Through the technical scheme, when the fixing device is required to be used, the rotating handle 19 is rotated, the rotating handle 19 drives the threaded rod 17 to rotate, the connecting block 18 arranged at the bottom of the threaded rod 17 rotates in the bottom fixing plate 15, the threaded rod 17 is in threaded connection with the top fixing plate 15, so that the fixing plate 15 is stressed to slide on the two groups of limiting rods 20, the limiting blocks 21 arranged at the tops of the limiting rods 20 limit the sliding distance of the fixing plate 15, and the fixing device is fixed through the two groups of fixing plates 15, is simple and quick to operate and is convenient to use;

working principle: during the use, with filter frame 14 joint at vent 11 inside, the rotatory handle 19 of crossing for the handle 19 drives threaded rod 17 rotation, and the connecting block 18 that threaded rod 17 bottom set up rotates in bottom fixed plate 15, threaded rod 17 and top fixed plate 15 threaded connection, thereby makes fixed plate 15 atress slide on two sets of gag lever posts 20, fixes filter screen 16 through two sets of fixed plates 15, thereby filters air impurity.

The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present utility model.

Claims (3)

1. The utility model provides a purification performance fume hood for nuclear medicine, includes fume hood main part (1), operation platform (2), cabinet door (3) and light (4), the inside fixedly connected with operation platform (2) of fume hood main part (1) fluting, fume hood main part (1) bottom rotates and is connected with cabinet door (3), fume hood main part (1) fluting top is provided with light (4), a serial communication port, vent (11) have all been seted up to inside both sides of fume hood main part (1), vent (11) bottom is provided with ventilation module (12), ventilation module (12) side intercommunication has gas circuit pipe (13), the inside filter equipment that is provided with of vent (11).

The filter comprises a filter frame (14) and is characterized by further comprising two groups of fixing plates (15) and a filter screen (16), wherein one group of fixing plates (15) is fixedly connected with the filter frame (14), the other group of fixing plates (15) is slidably connected with the filter frame (14), and the filter screen (16) is arranged between the two groups of fixing plates (15); the novel fixing device is characterized in that a threaded rod (17) is arranged inside the fixing plate (15), the bottom end of the threaded rod (17) is arranged at a connecting block (18), the connecting block (18) is arranged inside the bottom fixing plate (15), the connecting block (18) is rotationally connected with the fixing plate (15), and a rotating handle (19) is fixedly connected to the top end of the threaded rod (17); two groups of limiting rods (20) are fixedly connected to the top of one group of the fixing plates (15), and limiting blocks (21) are fixedly connected to the tops of the limiting rods (20); the fixing plate (15) is in threaded rotation connection with the threaded rod (17), the fixing plate (15) is arranged outside the two groups of limiting rods (20), and the fixing plate (15) is in sliding connection with the limiting rods (20).

2. A nuclear medicine decontamination function fume hood according to claim 1, wherein: the filter mechanism comprises a filter frame (14), the filter frame (14) is clamped with the ventilation opening (11), two groups of fixing plates (15) are arranged inside the filter frame (14), and a filter screen (16) is arranged inside the filter frame (14).

3. A nuclear medicine decontamination function fume hood according to claim 2, wherein: the pore diameter of the filter screen (16) is 2mm.