Air circulation purification equipment for medical laboratory

By designing detachable components and cleaning brushes in the air purification device for medical laboratories, the problem of inconvenient filter removal has been solved, thereby improving the filtration effect, simplifying operation, and enhancing the practicality of the equipment.

CN223732367UActive Publication Date: 2025-12-30WUHAN GREEN BEAUTY CLEAN TECH ENG CO LTD
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Patent Information

Application Number
CN202422946357.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-30
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The coarse and fine filters in existing medical laboratory air purification devices are not easy to disassemble and clean, resulting in poor filtration efficiency.

Method used

A disassembly assembly was designed, including a limiting plate, a limiting rod, a pull block, and a spring. These components enable the quick disassembly and installation of the coarse and fine filter screens. A cleaning brush is also provided at the dust screen for cleaning, simplifying the operation process.

Benefits of technology

It improves the cleaning efficiency and filtration effect of the filter screen, prevents dust clogging, and enhances the practicality and convenience of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses air circulation purification equipment for a medical laboratory in the field of medical laboratory purification equipment, which comprises a purification box and a corrugated pipe fixedly mounted on one side of the top of the purification box, and one end, far away from the purification box, of the corrugated pipe is rotationally connected with an air inlet hopper through threads; the interior of the purifying box is sequentially divided into a filtering cavity and a purifying cavity from top to bottom, and a filtering assembly used for conducting preliminary filtering on air is arranged in the filtering cavity. According to the air circulation purification equipment for the medical laboratory, the working efficiency and the filtering effect of the air circulation purification equipment for the medical laboratory are improved, operation is easy, use is convenient and fast, a cleaning brush is arranged on one side of a dustproof net, and the surface of the dustproof net can be continuously brushed back and forth; and therefore, the condition that the dust screen is blocked by external dust due to untimely cleaning of an operator can be prevented, and the practicability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical laboratory purification equipment field, concretely is a kind of air circulation purification equipment for medical laboratory. BACKGROUND

[0002] Laboratory for the purpose of providing information for diagnosing, preventing, treating human diseases or assessing human health, the material from human body carries out biology, microbiology, immunology, chemistry, blood immunology, hematology, biophysics, cytology, pathology or other test laboratory, also known as medical laboratory, laboratory in experimental process, laboratory air needs to be purified, to avoid the microorganism contained in air to influence experimental cell.

[0003] Through the retrieval, the utility model patent with patent No. CN218687495U discloses an air purification device for medical laboratory, including purification box body, the top of purification box body is connected with corrugated pipe, the end of corrugated pipe away from purification box body is provided with air inlet hopper, the lower end of the side wall of purification box body is provided with air outlet hole, air outlet hole is embedded with suction fan, and purification box is provided with purification device for purifying air entering the inside of purification box, and the bottom of purification box is provided with hidden storage roller at four corner positions. The air purification device with hidden storage roller is provided in the present application, which realizes convenient movement of the air purification device, ensures normal working state of the air purification device, makes the air purification device can be targeted for local air purification work, and further effectively improves the applicability of the air purification device.

[0004] However, in the above-mentioned patent, although the coarse filter screen and the fine filter screen are inclined from top to bottom, the impurities in the air can be deposited at the bottom of the coarse filter screen and the fine filter screen under the action of gravity, but it is not convenient to disassemble the coarse filter screen and the fine filter screen to clean the impurities deposited on the surface during use, which can easily lead to poor filtering effect of the air purification device for medical laboratory, which is not conducive to the use of people, therefore, the technical personnel in the art provides an air circulation purification equipment for medical laboratory to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an air circulation purification equipment for medical laboratory to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an air circulation purification equipment for medical laboratory, including purification box and corrugated pipe fixedly installed on one side of the top of purification box, characterized in that:

[0007] The corrugated pipe is rotatably connected with an air inlet hopper at one end away from the purification box, the inside of the purification box is sequentially divided into a filtering cavity and a purification cavity from top to bottom, the inside of the filtering cavity is provided with a filtering assembly for preliminarily filtering air, the side end of the filtering assembly extends to the outside of the purification box and is provided with a dismounting assembly for dismounting and cleaning, the inside of the purification cavity is provided with a purification assembly extending to the filtering cavity for purifying air, the dismounting assembly comprises a limiting plate, a limiting rod, a pull block and a spring, the side end of the pull block is symmetrically provided with the limiting plate located outside the purification box, one side top end of the limiting plate is rotatably connected to the top of the outer wall of the purification box through a bearing, the outer wall of the purification box is provided with a limiting hole penetrating through the bottom end of one side of the limiting plate, the inside of the limiting hole is slidably connected with the limiting rod, one end of the limiting rod penetrates through the limiting hole and extends to the outside of the limiting plate and is welded with the pull block, and the limiting rod is slidably connected with the limiting hole, the surface of the limiting rod is sleeved with the spring located between the pull block and the limiting plate, one end of the spring is fixedly connected with the pull block, and the other end of the spring is fixedly connected with the bottom end of one side of the limiting plate.

[0008] Preferably, the bottom of the purification box is provided with a movable brake wheel, and one side of the purification box is welded with a push handle.

[0009] Preferably, the filtering assembly comprises a pull frame, a coarse filter screen and a fine filter screen, the inside of the filtering cavity is provided with two placing grooves side by side from top to bottom, the inside of each placing groove is slidably connected with the pull frame, one side end of the pull frame extends to the outside of the purification box and is welded with a handle, the inner wall of the pull frame is respectively slidably connected with the coarse filter screen and the fine filter screen, the coarse filter screen is arranged above the fine filter screen, and the side end of the pull frame is provided with the dismounting assembly located outside the outer wall of the purification box.

[0010] Preferably, the purification assembly comprises an air inlet fan, an air outlet fan and a reaction liquid, the top side of the purification cavity is communicated and mounted with an air inlet pipe located in the filtering cavity, the bottom end of the air inlet pipe extends to the inside bottom surface of the purification cavity, the top end inner wall of the air inlet pipe is fixedly mounted with two air inlet fans, the top side of the purification cavity away from the air inlet pipe is symmetrically communicated and mounted with an air outlet pipe located in the filtering cavity, one end of the air outlet pipe penetrates through the purification box and is fixedly mounted with a dustproof screen located outside the outer wall of the purification box, one side of the dustproof screen is provided with an air outlet fan located in the inner wall of the air outlet pipe, and the inside of the purification cavity is filled with the reaction liquid.

[0011] Preferably, one side of the purification box is fixedly mounted with an inlet pipe and an outlet pipe communicated with the inside of the purification cavity, the inlet pipe is arranged above the outlet pipe, and the end of the outlet pipe is fixedly mounted with a control valve.

[0012] Preferably, the side of the purification box is rotationally connected with a rotating rod between the dustproof nets, the other end of the rotating rod is fixedly connected with an output shaft of a motor, the surface of the rotating rod is welded with a cleaning brush, the brush surface of the cleaning brush is in contact with the side of the dustproof net, the side of the purification box is provided with a circular groove on the side of the dustproof net, the end of the cleaning brush away from the rotating rod is welded with a connecting rod extending into the circular groove, and the connecting rod is rotationally connected with the circular groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The medical laboratory air circulation purification equipment, through the detachable assembly, can realize quick disassembly, ash removal and installation of the coarse filter screen and the fine filter screen, improve work efficiency and the filtering effect of the medical laboratory air circulation purification equipment, and is simple to operate and convenient to use.

[0015] 2、The medical laboratory air circulation purification equipment, through the cleaning brush arranged on one side of the dustproof net, can continuously reciprocatingly clean the surface, thereby preventing the dust outside from blocking the dustproof net due to untimely cleaning by the operator, and improving practicality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a sectional view of the overall structure of the utility model;

[0018] Figure 3 It is a sectional view of the overall structure of the utility model;

[0019] Figure 4 It is Figure 2 It is an enlarged sectional view of A.

[0020] In the figure: 1, purification box; 5, corrugated pipe; 6, air inlet hopper; 7, filter cavity; 8, purification cavity; 9, movable brake wheel; 10, push handle; 11, placing groove; 12, dustproof net; 13, rotating rod; 14, motor; 15, cleaning brush; 16, circular groove; 17, connecting rod; 21, pull frame; 22, coarse filter screen; 23, fine filter screen; 24, handle; 31, limiting plate; 32, limiting rod; 33, pull block; 34, spring; 35, limiting hole; 41, air inlet fan; 42, air outlet fan; 43, reaction liquid; 44, air inlet pipe; 45, air outlet pipe; 46, liquid inlet pipe; 47, liquid outlet pipe; 48, control valve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-4 In the embodiments of the utility model, the air circulation and purification equipment for medical laboratories comprises a purification box 1, a bellows 5 fixedly installed on one side of the top of the purification box 1, an air inlet hopper 6 rotatably connected to the end of the bellows 5 away from the purification box 1 through screw threads, a filter cavity 7 and a purification cavity 8 sequentially arranged from top to bottom in the inside of the purification box 1, a movable brake wheel 9 installed at the bottom of the purification box 1, and a handle 10 welded on one side of the purification box 1. The movable brake wheel 9 can rotate freely and has a brake function, so that the user can move and fix the air circulation and purification equipment for medical laboratories.

[0023] The filter cavity 7 is internally provided with a filter assembly for preliminarily filtering air. The filter assembly comprises a pull-out frame 21, a coarse filter screen 22 and a fine filter screen 23. Two placement grooves 11 are sequentially arranged side by side in the inside of the filter cavity 7 from top to bottom. The pull-out frame 21 is slidably connected to the inside of each placement groove 11. A handle 24 is welded to the outside of the purification box 1 at the side end of the pull-out frame 21. The coarse filter screen 22 and the fine filter screen 23 are respectively slidably connected to the inner wall of the pull-out frame 21. The coarse filter screen 22 is arranged above the fine filter screen 23. The pull-out frame 21 is obliquely arranged in the inside of each placement groove 11. The coarse filter screen 22 and the fine filter screen 23 are arranged to sequentially filter impurities in air.

[0024] The side end of the pull-out frame 21 extending to the outside of the purification box 1 is provided with a dismounting assembly for dismounting and cleaning the pull-out frame 21. The dismounting assembly comprises a limiting plate 31, a limiting rod 32, a pull block 33 and a spring 34. The limiting plate 31 is symmetrically arranged at the side end of the pull-out frame 21 and located outside the purification box 1. The limiting plate 31 is rotatably connected to the top of the outer wall of the purification box 1 at the side top end. The limiting hole 35 is formed in the outer wall of the purification box 1 and penetrates through the side bottom end of the limiting plate 31. The limiting rod 32 is slidably connected to the inside of the limiting hole 35. The pull block 33 is welded to the outside of the limiting plate 31 at the end of the limiting rod 32 penetrating through the limiting hole 35. The limiting rod 32 is slidably connected to the limiting hole 35. The spring 34 is sleeved on the surface of the limiting rod 32 and located between the pull block 33 and the limiting plate 31. One end of the spring 34 is fixedly connected to the pull block 33, and the other end of the spring 34 is fixedly connected to the side bottom end of the limiting plate 31.

[0025] In use, by pulling the pull block 33 in turn, the limiting rod 32 is moved away from the limiting hole 35, and the spring 34 is stretched at the same time. When the limiting rod 32 is gradually separated from the limiting hole 35 on one side of the purification box 1, the limiting plate 31 is rotated to release the resistance to the pull-out frame 21. Then, the operator pulls the handle 24 to pull it out of the inside of the placing groove 11. Subsequently, the accumulated impurities and dust on the surfaces of the coarse filter screen 22 and the fine filter screen 23 can be cleaned. When the cleaning is completed, the handle 24 is used to insert the pull-out frame 21 into the corresponding placing groove 11 in turn. Then, the limiting plate 31 is rotated again to align the limiting rod 32 with the limiting hole 35 on one side of the purification box 1. Then, the force applied to the pull block 33 is released. At this time, the spring 34 is reset, and the limiting rod 32 is inserted into the limiting hole 35 again. Thus, the pull-out frame 21 is fixed again and cannot be separated from the placing groove 11. The coarse filter screen 22 and the fine filter screen 23 can be quickly disassembled, cleaned and installed by the operator. The working efficiency and the filtering effect of the air circulation purification equipment for medical laboratories are improved.

[0026] The purification cavity 8 is internally provided with a purification assembly extending to the filtering cavity 7 for purifying air. The purification assembly comprises an air inlet fan 41, an air outlet fan 42 and a reaction liquid 43. An air inlet pipe 44 located in the filtering cavity 7 is symmetrically and communicatively installed on one side of the top of the purification cavity 8. The bottom end of the air inlet pipe 44 extends to the inside bottom surface of the purification cavity 8. Two air inlet fans 41 are fixedly installed on the inner wall of the top end of the air inlet pipe 44. An air outlet pipe 45 located in the filtering cavity 7 is symmetrically and communicatively installed on one side of the top of the purification cavity 8 away from the air inlet pipe 44. One end of the air outlet pipe 45 penetrates through the purification box 1 and is fixedly installed with a dust screen 12 located on the outer wall of the purification box 1. The dust screen 12 is provided with the air outlet fan 42 located on the inner wall of the air outlet pipe 45. The purification cavity 8 is filled with the reaction liquid 43. A liquid inlet pipe 46 and a liquid outlet pipe 47 are fixedly installed on one side of the purification box 1 and are in communication with the inside of the purification cavity 8. The liquid inlet pipe 46 is arranged above the liquid outlet pipe 47. A control valve 48 is fixedly installed on the end of the liquid outlet pipe 47.

[0027] In use, the reaction liquid 43 is delivered into the purification cavity 8 through the liquid inlet pipe 46, then the air inlet fan 41 and the air outlet fan 42 are controlled to operate simultaneously, then the air inlet hopper 6 is aimed at the gas generated by the experiment which needs to be purified, at this time, the gas is pumped into the filter cavity 7 through the air inlet hopper 6 and the corrugated pipe 5 by the operation of the air inlet fan 41, then it is filtered by the coarse filter screen 22 and the fine filter screen 23 in turn, and then enters the inside of the purification cavity 8 from the air inlet pipe 44, at this time, the gas reacts with the reaction liquid 43 in the purification cavity 8, then the purified gas is discharged to the outside through the air outlet pipe 45 by the operation of the air outlet fan 42, the dust screen 12 is arranged to prevent dust from the outside entering the purification cavity 8 through the air outlet pipe 45, when the reaction liquid 43 needs to be replaced, the control valve 48 is opened, at this time, the reaction liquid 43 can be discharged through the liquid outlet pipe 47.

[0028] The side of the purification box 1 is rotationally connected with a rotating rod 13 between the dust screens 12, the other end of the rotating rod 13 is fixedly connected with the output shaft of the motor 14, the surface of the rotating rod 13 is welded with a cleaning brush 15, the brush surface of the cleaning brush 15 is in contact with the side of the dust screen 12, the side of the purification box 1 is provided with a circular groove 16 on one side of the dust screen 12, the end of the cleaning brush 15 away from the rotating rod 13 is welded with a connecting rod 17 extending into the inside of the circular groove 16, and the connecting rod 17 is rotationally connected with the circular groove 16.

[0029] In use, while the air in the medical laboratory is filtered and purified by the air circulation and purification equipment, the motor 14 is started to drive the rotating rod 13 to rotate, so that the cleaning brush 15 welded on the surface of the rotating rod 13 rotates, thereby continuously cleaning the dust screen 12 back and forth, at this time, the other end of the cleaning brush 15 drives the connecting rod 17 to slide in the circular groove 16, the connecting rod 17 and the circular groove 16 are arranged to cooperate to provide stable support when rotating, so that the dust screen 12 can be cleaned evenly, thereby preventing the dust screen 12 from being blocked by dust from the outside due to the operator's failure to clean in time, and further improving the practicability.

[0030] Working principle: when preparing to use the medical laboratory air circulation purification equipment, first through the liquid inlet pipe 46 to deliver the reaction liquid 43 into the purification cavity 8, then through the cooperation of the movable brake wheel 9 and the push hand 10 to move to the appropriate use position, then the air inlet hopper 6 is aligned with the experimental gas generated by the need for purification, control the air inlet fan 41 and the exhaust fan 42 run simultaneously, at this time the gas through the air inlet hopper 6 and the corrugated pipe 5 into the filter cavity 7, then through the coarse filter screen 22 and the fine filter screen 23 in turn after the filter from the air inlet pipe 44 into the inside of the purification cavity 8, the gas into the inside of the purification cavity 8 and the reaction liquid 43 fully reacted, then through the exhaust pipe 45 to the outside, while filtering and purifying the air, start the motor 14, so that the rotating rod 13 drives the cleaning brush 15 to rotate, in turn, run, and then can continuously back and forth cleaning of the dustproof net 12, when the need to clean the coarse filter screen 22 and the fine filter screen 23, pull the pull block 33 to make the limiting hole 35 out of the limiting hole 35 on one side of the purification box 1, then rotate the limiting plate 31 to make it remove the resistance limit to the pull frame 21, can pull the handle 24 to pull the pull frame 21 from the inside of the placing groove 11, then can clean the impurities and dust accumulated on the surface of the coarse filter screen 22 and the fine filter screen 23, simple structure, convenient operation.

[0031] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A medical laboratory air circulation purification equipment, comprising a purification box (1) and a bellows (5) fixedly installed on one side of the top of the purification box (1), characterized in that: one end of the bellows (5) away from the purification box (1) is threadedly rotatably connected with an air inlet hopper (6), the inside of the purification box (1) is sequentially divided into a filtering cavity (7) and a purification cavity (8) from top to bottom, the inside of the filtering cavity (7) is provided with a filtering assembly for preliminarily filtering air, the side end of the filtering assembly extends to the outside of the purification box (1) and is provided with a dismounting assembly for dismounting and cleaning the filtering assembly, the inside of the purification cavity (8) is provided with a purification assembly extending to the filtering cavity (7) for purifying air, the dismounting assembly comprises a limiting plate (31), a limiting rod (32), a pull block (33) and a spring (34), the side end of the pull-out frame (21) is symmetrically provided with the limiting plate (31) located outside the purification box (1), one side top end of the limiting plate (31) is rotatably connected to the top of the outer wall of the purification box (1) through a bearing, a limiting hole (35) penetrating through the bottom end of one side of the limiting plate (31) is formed in the outer wall of the purification box (1), the limiting rod (32) is slidably connected in the limiting hole (35), the pull block (33) is welded to one end of the limiting rod (32) extending to the outside of the limiting plate (31), and the limiting rod (32) is slidably connected with the limiting hole (35), the spring (34) is sleeved on the surface of the limiting rod (32) between the pull block (33) and the limiting plate (31), one end of the spring (34) is fixedly connected with the pull block (33), and the other end of the spring (34) is fixedly connected with the bottom end of one side of the limiting plate (31).

2. A medical laboratory air circulation and purification apparatus according to claim 1, characterized in that: An active brake wheel (9) is installed at the bottom of the purification box (1), and a push handle (10) is welded on one side of the purification box (1).

3. The air circulation and purification apparatus for medical laboratories according to claim 1, characterized in that: The filtering assembly comprises a pull-out frame (21), a coarse filter screen (22) and a fine filter screen (23), two placing grooves (11) are formed side by side in the inside of the filtering cavity (7) from top to bottom, the pull-out frame (21) is slidably connected in each of the placing grooves (11), a handle (24) is welded to the outside of the purification box (1) at the side end of the pull-out frame (21), the coarse filter screen (22) and the fine filter screen (23) are respectively slidably clamped on the inner wall of the pull-out frame (21), and the coarse filter screen (22) is arranged above the fine filter screen (23), and the dismounting assembly is arranged at the side end of the pull-out frame (21) and located outside the outer wall of the purification box (1).

4. The air circulation and purification apparatus for medical laboratories according to claim 1, characterized in that: The purification assembly includes an air inlet fan (41), an air exhaust fan (42) and a reaction liquid (43), one side of the top of the purification cavity (8) is communicated and mounted with an air inlet pipe (44) located inside the filter cavity (7), and the bottom end of the air inlet pipe (44) extends to the inside bottom surface of the purification cavity (8), the top end inner wall of the air inlet pipe (44) is fixedly mounted with two air inlet fans (41), one side of the top of the purification cavity (8) away from the air inlet pipe (44) is symmetrically communicated and mounted with an air exhaust pipe (45) located inside the filter cavity (7), one end of the air exhaust pipe (45) penetrates through the purification box (1) and is fixedly mounted with a dust screen (12) located on the outer wall of the purification box (1), one side of the dust screen (12) is provided with an air exhaust fan (42) located on the inner wall of the air exhaust pipe (45), and the inside of the purification cavity (8) is filled with the reaction liquid (43).

5. A medical laboratory air circulation and purification apparatus according to claim 4, characterized in that: One side of the purification box (1) is fixedly mounted with an inlet pipe (46) and an outlet pipe (47) communicated with the inside of the purification cavity (8), the inlet pipe (46) is arranged above the outlet pipe (47), and the end of the outlet pipe (47) is fixedly mounted with a control valve (48).

6. A medical laboratory air circulation and purification apparatus according to claim 5, wherein: The side of the purification box (1) is rotatably connected with a rotating rod (13) located between the dust screens (12), the other end of the rotating rod (13) is fixedly connected with the output shaft of a motor (14), the surface of the rotating rod (13) is welded with a cleaning brush (15), the brush surface of the cleaning brush (15) is in contact with the side surface of the dust screen (12), the side of the purification box (1) is provided with a circular groove (16) located on one side of the dust screen (12), one end of the cleaning brush (15) away from the rotating rod (13) is welded with a connecting rod (17) extending into the inside of the circular groove (16), and the connecting rod (17) is rotatably connected with the circular groove (16).

Citation Information

Patent Citations

  • Air purification device for medical laboratory

    CN218687495U