Air purification equipment for classroom

Abstract

The utility model provides air purification equipment for a classroom, which relates to the technical field of air purification and comprises a base, a shell is arranged at the top of the base, a placing groove is formed in the top of the base, and a fixing rod is fixedly connected in the placing groove. According to the utility model, when the fan runs to generate certain vibration, the shell is stressed to move downwards, the buffer rod and the hydraulic damping rod are extruded to shrink, meanwhile, under the action of the connecting block and the connecting rod, the moving block is driven to move on the fixed rod, and the damping spring is extruded by the moving block to shrink; under the elastic potential energy of the buffer rod and the hydraulic damping rod and the damping effect of the hydraulic damping rod, vibration can be effectively absorbed and buffered, the vibration amplitude of the equipment is reduced, noise generated during operation of a fan is reduced, and the problems that existing air purification equipment for classrooms does not have the damping function, the learning environment is affected, and the learning cost is reduced are solved. And the attention of the students is easily distracted.

Description

Technical Field

[0001] This utility model relates to the field of air purification technology, and in particular to an air purification device for classrooms. Background Technology

[0002] Classrooms are enclosed spaces with high population density. In northern winters, the cold weather and closed windows, coupled with heating, lead to poor air circulation and polluted air, negatively impacting the learning environment. Air purifiers, also known as "air cleaners," can adsorb, decompose, or transform air pollutants to improve air cleanliness. Product types include household and commercial models, and styles include countertop and wall-mounted units. They are categorized by technology, such as HEPA and activated carbon.

[0003] Existing classroom air purification equipment has been equipped with a detachable inner casing, which makes it easy to clean and replace the filter after long-term use. After three-stage filtration, it can effectively ensure filtration accuracy and improve filtration effect. However, existing classroom air purification equipment does not have a shock absorption function, which causes the fan to generate a lot of noise when it is running, affecting the learning environment and easily distracting students. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing equipment lacks shock absorption, resulting in excessive noise from the fan during operation, which affects the learning environment and easily distracts students. Therefore, this invention proposes an air purification device for classrooms.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an air purification device for classrooms, comprising a base, a housing on the top of the base, a placement groove on the top of the base, a fixed rod fixedly connected in the placement groove, a movable block sleeved on the outer surface of the fixed rod, a connecting block fixedly connected to the bottom of the housing, a connecting rod rotatably connected to the inner side of the movable block and the connecting block, a shock-absorbing spring sleeved on the outer surface of the fixed rod, a hydraulic damping rod and a buffer rod fixedly connected between the base and the housing, a first filter frame, a second filter frame and a third filter frame movably inserted on one side of the housing, a limit mechanism provided on one side of the housing, and a fan installed inside the housing.

[0006] Preferably, the limiting mechanism includes a fixed frame, which is fixedly connected to one side of the housing, and a rotating rod is rotatably connected to the inner side of the fixed frame.

[0007] Preferably, one end of the rotating rod is rotatably connected to the housing, and a worm gear and a limiting plate are fixedly sleeved on the outer surface of the rotating rod.

[0008] Preferably, a worm gear is rotatably connected to the inner side of the fixing frame, one end of the worm gear movably passes through the fixing frame and is fixedly installed with a rotating cap, and the worm gear is meshed with a worm wheel.

[0009] Preferably, a polyester fiber filter screen is fixedly connected inside the first filter frame, and a borosilicate microfiber filter screen is fixedly connected inside the second filter frame.

[0010] Preferably, an activated carbon filter screen is fixedly connected inside the third filter frame, and an air outlet is provided on one side of the housing.

[0011] Preferably, an air inlet is provided on one side of the housing, and self-locking casters are installed at the bottom of the base.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, when the fan generates a certain vibration, the shell moves downward under force, and the buffer rod and hydraulic damping rod are compressed and begin to contract. At the same time, under the action of the connecting block and the connecting rod, the moving block is driven to move on the fixed rod, and the shock-absorbing spring is compressed by the moving block and begins to contract. Under the elastic potential energy of the buffer rod and the hydraulic damping rod and the damping action of the hydraulic damping rod, the vibration can be effectively absorbed and buffered, reducing the vibration amplitude of the equipment and reducing the noise generated by the fan during operation. This solves the problem that existing classroom air purification equipment does not have a shock absorption function, which affects the learning environment and easily distracts students.

[0014] 2. In this utility model, the limiting mechanism, by rotating the rotating cap, drives the worm gear to rotate, which in turn drives the rotating rod to rotate. The rotating rod then drives the limiting plate to rotate, facilitating the limiting and disassembly of the first, second, and third filter frames. This also makes it easier to clean and replace the first, second, and third filter frames after prolonged use. Furthermore, the meshing of the worm gear and worm wheel provides a one-way self-locking characteristic. Once the limiting plate rotates to the appropriate position to limit the filter frames, it prevents the limiting plate from rotating on its own without the rotating cap being operated. Attached Figure Description

[0015] Figure 1 This utility model provides a perspective view of the main structure of an air purification device for classrooms;

[0016] Figure 2 This utility model provides a left-side structural perspective view of an air purification device for classrooms;

[0017] Figure 3 This utility model provides a perspective view of the rear structure of an air purification device for classrooms;

[0018] Figure 4 This utility model provides an unfolded three-dimensional view of the first filter frame, second filter frame, third filter frame and shell in a classroom air purification device;

[0019] Figure 5 This utility model provides a three-dimensional structural view of a slot placed in an air purification device for classrooms;

[0020] Figure 6 This utility model provides a three-dimensional structural view of a connecting block in a classroom air purification device;

[0021] Figure 7 This utility model presents a three-dimensional structural view of a limiting mechanism in a classroom air purification device.

[0022] Legend: 1. Base; 2. Housing; 3. Placement slot; 4. Fixing rod; 5. Moving block; 6. Connecting block; 7. Connecting rod; 8. Shock-absorbing spring; 9. Hydraulic damping rod; 10. First filter frame; 11. Second filter frame; 12. Third filter frame; 13. Polyester fiber filter screen; 14. Borosilicate microfiber filter screen; 15. Activated carbon filter screen; 16. Limiting mechanism; 1601. Fixing frame; 1602. Rotating rod; 1603. Worm gear; 1604. Limiting plate; 1605. Worm; 1606. Rotating cap; 17. Fan; 18. Self-locking caster wheel; 19. Air outlet; 20. Air inlet; 21. Buffer rod. Detailed Implementation

[0023] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0025] Example 1: As Figure 1 - Figure 7As shown, this utility model provides an air purification device for classrooms, including a base 1, a housing 2 on the top of the base 1, a placement groove 3 on the top of the base 1, a fixed rod 4 fixedly connected in the placement groove 3, a movable block 5 sleeved on the outer surface of the fixed rod 4, a connecting block 6 fixedly connected to the bottom of the housing 2, a connecting rod 7 rotatably connected to the inner side of the movable block 5 and the connecting block 6, a shock-absorbing spring 8 sleeved on the outer surface of the fixed rod 4, a hydraulic damping rod 9 and a buffer rod 21 fixedly connected between the base 1 and the housing 2, a first filter frame 10, a second filter frame 11 and a third filter frame 12 movably inserted on one side of the housing 2, a limit mechanism 16 provided on one side of the housing 2, and a fan 17 installed inside the housing 2.

[0026] The overall effect of Embodiment 1 is that when the fan 17 generates a certain vibration, the housing 2 moves downward under force, the buffer rod 21 and the hydraulic damping rod 9 are compressed and begin to contract. At the same time, under the action of the connecting block 6 and the connecting rod 7, the moving block 5 moves on the fixed rod 4, and the shock-absorbing spring 8 is compressed by the moving block 5 and begins to contract. Under the elastic potential energy of the buffer rod 21 and the hydraulic damping rod 9 and the damping action of the hydraulic damping rod 9, the vibration can be effectively absorbed and buffered, reducing the vibration amplitude of the equipment and reducing the noise generated by the fan 17 during operation. This solves the problem that existing classroom air purification equipment does not have a shock absorption function, which affects the learning environment and easily distracts students.

[0027] Example 2: As Figure 1 - Figure 7 As shown, the limiting mechanism 16 includes a fixed frame 1601, which is fixedly connected to one side of the housing 2. A rotating rod 1602 is rotatably connected to the inner side of the fixed frame 1601. One end of the rotating rod 1602 is rotatably connected to the housing 2. A worm gear 1603 and a limiting plate 1604 are fixedly sleeved on the outer surface of the rotating rod 1602. A worm 1605 is rotatably connected to the inner side of the fixed frame 1601. One end of the worm 1605 moves through the fixed frame 1601 and is fixedly installed with a rotating cap 1606. The worm 1605 is meshed with the worm gear 1603. A polyester fiber filter screen 13 is fixedly connected in the first filter frame 10. A borosilicate microfiber filter screen 14 is fixedly connected in the second filter frame 11. An activated carbon filter screen 15 is fixedly connected in the third filter frame 12. An air outlet 19 is provided on one side of the housing 2, and an air inlet 20 is provided on one side of the housing 2. A self-locking universal wheel 18 is installed at the bottom of the base 1.

[0028] The overall effect of Embodiment 2 is that, through the set limiting mechanism 16, rotating the rotating cap 1606 drives the worm gear 1605 to rotate. Since the worm gear 1605 is meshed with the worm wheel 1603, the worm wheel 1603 drives the rotating rod 1602 to rotate, and the rotating rod 1602 drives the limiting plate 1604 to rotate. This facilitates the limiting and disassembly of the first filter frame 10, the second filter frame 11, and the third filter frame 12, and makes it easier to clean and replace the first filter frame 10, the second filter frame 11, and the third filter frame 12 after long-term use. At the same time, through the meshing cooperation of the worm wheel 1603 and the worm gear 1605, it has a one-way self-locking characteristic. When the limiting plate 1604 rotates to the appropriate position to limit the filter frame, it can prevent the limiting plate 1604 from being in a position where the rotating cap 1606 is not operated. In case of 606, the device rotates on its own and then passes through a polyester fiber filter 13 (10 micrometers in diameter) and a borosilicate microfiber filter 14 (0.5 micrometers in diameter). When the fan 17 is running, the polyester fiber filter 13 can filter out hair, lint, large particles, dander, etc. in the air, while the borosilicate microfiber filter 14 can efficiently remove inhalable particulate matter. The activated carbon filter 15 is used for air purification, removing volatile organic compounds and pollutants in the air, and can deodorize and remove odors under a certain air volume, with a very good purification effect. The device is equipped with an air outlet 19 and an air inlet 20, which facilitates the entry of air into the housing 2 through the air inlet 20 and finally discharge through the air outlet 19. The self-locking casters 18 facilitate the movement of the device.

[0029] Working Principle: During use, the self-locking casters 18 are used to move the device to a suitable location in the classroom. The power supply to the fan 17 is connected, and the fan 17 starts. Air enters the housing 2 through the air inlet 20 and passes sequentially through a polyester fiber filter 13, a borosilicate microfiber filter 14, and an activated carbon filter 15. The polyester fiber filter 13 filters out hair, lint, large particles, and dander. The borosilicate microfiber filter 14 efficiently removes inhalable particulate matter. The activated carbon filter 15 purifies the air, removing volatile organic compounds and pollutants, and deodorizes and removes odors at a certain airflow rate. Finally, the purified air is discharged through the air outlet 19. When the fan 17 vibrates, the housing 2 moves downwards under pressure, and the buffer rod 21 and hydraulic damping rod 9 are compressed and begin to contract. Simultaneously, the connecting... Under the action of block 6 and connecting rod 7, the moving block 5 moves on the fixed rod 4. The shock-absorbing spring 8 is squeezed by the moving block 5 and begins to contract. Under the elastic potential energy of buffer rod 21 and hydraulic damping rod 9 and the damping action of hydraulic damping rod 9, it can effectively absorb and buffer vibration, reduce the vibration amplitude of the equipment, and reduce the noise generated by the fan 17 during operation. When it is necessary to replace and clean the filter screen, rotate the rotating cap 1606 to drive the worm gear 1605 to rotate. Since the worm gear 1605 is meshed with the worm wheel 1603, the worm wheel 1603 drives the rotating rod 1602 to rotate. The rotating rod 1602 drives the limiting plate 1604 to rotate, which can release the limiting of the first filter frame 10, the second filter frame 11, and the third filter frame 12. Then, the first filter frame 10, the second filter frame 11, and the third filter frame 12 can be pulled out from the housing 2 for cleaning and replacement.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A classroom air purification device, comprising a base (1), characterized in that: The base (1) has a housing (2) on top, a placement groove (3) on top, a fixed rod (4) fixedly connected in the placement groove (3), a moving block (5) on the outer surface of the fixed rod (4), a connecting block (6) fixedly connected at the bottom of the housing (2), a connecting rod (7) rotatably connected to the inner side of the moving block (5) and the connecting block (6), a shock-absorbing spring (8) on the outer surface of the fixed rod (4), a hydraulic damping rod (9) and a buffer rod (21) fixedly connected between the base (1) and the housing (2), a first filter frame (10), a second filter frame (11) and a third filter frame (12) movably inserted on one side of the housing (2), a limit mechanism (16) on one side of the housing (2), and a fan (17) installed inside the housing (2).

2. The classroom air purification device according to claim 1, characterized in that: The limiting mechanism (16) includes a fixing frame (1601), which is fixedly connected to one side of the housing (2), and a rotating rod (1602) is rotatably connected to the inner side of the fixing frame (1601).

3. The classroom air purification device according to claim 2, characterized in that: One end of the rotating rod (1602) is rotatably connected to the housing (2), and a worm gear (1603) and a limiting plate (1604) are fixedly sleeved on the outer surface of the rotating rod (1602).

4. The classroom air purification device according to claim 2, characterized in that: The inner side of the fixed frame (1601) is rotatably connected to a worm (1605). One end of the worm (1605) movably passes through the fixed frame (1601) and is fixedly installed with a rotating cap (1606). The worm (1605) is meshed with a worm wheel (1603).

5. The classroom air purification device according to claim 1, characterized in that: A polyester fiber filter screen (13) is fixedly connected inside the first filter frame (10), and a borosilicate microfiber filter screen (14) is fixedly connected inside the second filter frame (11).

6. The classroom air purification device according to claim 1, characterized in that: An activated carbon filter screen (15) is fixedly connected inside the third filter frame (12), and an air outlet (19) is provided on one side of the housing (2).

7. The classroom air purification device according to claim 1, characterized in that: An air inlet (20) is provided on one side of the housing (2), and a self-locking caster wheel (18) is installed at the bottom of the base (1).

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