Device for conveniently replacing ventilation filter screen

Abstract

The utility model relates to the technical field of ventilation equipment, and provides a device for conveniently replacing a ventilation filter screen. The device for conveniently replacing the ventilation filter screen comprises a ventilation device body, a filtering mechanism and a cleaning mechanism, a matched draught fan is installed in the ventilation device body, the filtering mechanism is connected to the ventilation device body, and the filtering mechanism comprises a fixing frame, a first magnet, a filter screen frame and a first iron sheet. A fixing frame is fixedly connected into the ventilation device body. According to the device capable of conveniently replacing the ventilation filter screen, the filter screen frame can be installed in a magnetic adsorption mode through the arranged filter mechanism, the structure is simple, the filter screen frame is more convenient and rapid to disassemble and assemble, the ventilation device body is not provided with an external structure, the ventilation device body can be conveniently installed in a ventilation opening of a building, and the ventilation effect is good. And through the arrangement of the cleaning mechanism, the filter screen frame can be conveniently and rapidly cleaned, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, and in particular to a device for conveniently replacing a ventilation filter. Background Art

[0002] Ventilation, also known as air exchange, is the use of mechanical or natural methods to deliver enough fresh air into the indoor space, while expelling the dirty air that does not meet the hygiene requirements in the room, so that the indoor air meets the hygiene requirements and the needs of the production process. The various facilities in the building that complete the ventilation work are collectively referred to as ventilation equipment. In order to ensure the quality of the gas, the ventilation equipment is usually equipped with an air filtration structure. However, the ventilation devices currently used need to frequently replace the filters to ensure the filtering effect. The existing filters are installed by bolts, so it is troublesome to install and disassemble frequently, and it is easy to cause bolt thread slippage.

[0003] After searching, a Chinese utility model patent proposes a ventilation device for laboratories that is easy to replace filters (Announcement No.: CN219063654U). A disassembly and assembly mechanism is arranged on the outer wall at one end of the main body of the ventilation device, and the number of disassembly and assembly mechanisms is arranged in four. A protective frame is arranged at one end of the disassembly and assembly mechanism, and a protective net is arranged on one side of the middle of the protective frame. A fixing rod is fixedly connected to the side of the protective frame close to the inside of the main body of the ventilation device, and a pressure frame is fixedly arranged at the end of the fixing rod away from the protective frame. The first spring is compressed by manually pushing the locking rod so that the block on one end of the locking rod is moved out of the slot and the locking rod is rotated. The locking rod and the block can be taken out of the lock hole, and then the protective frame can be removed from the main body of the ventilation device, so as to facilitate the disassembly and assembly work and effectively avoid the frequent use of bolts for installation and fixing. However, the disassembly and assembly mechanism disassembles and fixes the filter by elastic clamping, which is not only complicated in structure, but also not quick enough to disassemble and assemble the filter. Secondly, the filter cannot be cleaned conveniently and quickly, and it is not convenient to use.

[0004] Therefore, it is necessary to provide a new and convenient device for replacing ventilation filters to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a device for conveniently replacing a ventilation filter.

[0006] The utility model provides a device for conveniently replacing a ventilation filter screen, comprising: a ventilation device main body, a filtering mechanism and a cleaning mechanism, wherein a matching fan is installed in the ventilation device main body, the ventilation device main body is connected with a filtering mechanism, the filtering mechanism comprising a fixing frame, a first magnet, a filter screen frame and a first iron sheet, the ventilation device main body is fixedly connected with a fixing frame, a side surface of the fixing frame is provided with a plurality of evenly distributed fixing grooves, the first magnet is fixedly connected in the fixing groove, a matching filter screen frame is provided in the ventilation device main body, a through cavity matching the fixing groove is provided around the filter screen frame, a matching first iron sheet is fixedly connected in the through cavity, the first iron sheet is magnetically adsorbed and fixed to an adjacent first magnet, the ventilation device main body is connected with a cleaning mechanism, the cleaning mechanism comprises a sliding rod and a scraper, a U-shaped groove is provided at one end of the ventilation device main body, two symmetrically arranged sliding rods are fixedly connected in the U-shaped groove, a scraper is provided at the inner bottom of the U-shaped groove, and the scraper is slidably sleeved on the two sliding rods.

[0007] Preferably, a positioning groove is provided on the inner lower surface of the U-shaped groove, a matching second magnet is fixedly connected in the positioning groove, a groove is provided on the lower surface of the scraper, a second iron sheet is fixedly connected in the groove, and the second iron sheet is fixed to the second magnet by magnetic adsorption.

[0008] Preferably, a plurality of evenly distributed guide posts are fixedly connected to one side of the fixing frame, and guide holes matching the guide posts are provided around the filter frame, and the guide posts slide through adjacent guide holes.

[0009] Preferably, the end of the guide column away from the filter frame is arc-shaped.

[0010] Preferably, a carrying handle is fixedly connected to one side of the scraper.

[0011] Preferably, two symmetrically arranged pull rings are fixedly connected to the filter frame.

[0012] Compared with the related art, the device for conveniently replacing the ventilation filter provided by the utility model has the following advantages:

[0013] Beneficial effects:

[0014] The utility model provides a device for conveniently replacing the ventilation filter screen. Through the filter mechanism provided, the filter screen frame can be installed by means of magnetic adsorption. Not only is the structure simple, but the disassembly and assembly of the filter screen frame is also more convenient and quick. In addition, the ventilation device body has no external structure and can be conveniently installed in the ventilation opening of a building. Through the cleaning mechanism provided, the filter screen frame can be cleaned conveniently and quickly, and it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in partial section;

[0017] Figure 3 It is a structural schematic diagram of the scraper in the utility model.

[0018] Numbers in the figure: 1. ventilation device body; 2. fan; 3. fixing frame; 4. fixing groove; 5. first magnet; 6. filter frame; 7. through cavity; 8. first iron sheet; 9. guide hole; 10. guide column; 11. U-shaped groove; 12. slide rod; 13. scraper; 14. carrying handle; 15. positioning groove; 16. second magnet; 17. groove; 18. second iron sheet; 19. pull ring. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 It is a schematic diagram of the structure of the utility model; Figure 2 It is a schematic diagram of the structure of the utility model in partial section; Figure 3 The schematic diagram of the structure of the scraper in the utility model comprises: a ventilation device body 1, a filtering mechanism and a cleaning mechanism.

[0021] In the specific implementation process, Figure 1 and Figure 2 As shown, a matching fan 2 is installed in the ventilation device main body 1, and a filtering mechanism is connected to the ventilation device main body 1, the filtering mechanism includes a fixed frame 3, a first magnet 5, a filter screen frame 6 and a first iron sheet 8. The ventilation device main body 1 is fixedly connected with the fixing frame 3, and a plurality of evenly distributed fixing grooves 4 are provided on one side of the fixing frame 3, and the first magnet 5 is fixedly connected in the fixing groove 4. A matching filter screen frame 6 is provided in the ventilation device main body 1, and a through cavity 7 matching the fixed groove 4 is provided around the filter screen frame 6. A matching first iron sheet 8 is fixedly connected in the through cavity 7, and the first iron sheet 8 is magnetically adsorbed and fixed on the adjacent first magnet 5. A cleaning mechanism is connected to the ventilation device main body 1, and the cleaning mechanism includes a slide rod 12 and a scraper 13. A U-shaped groove 11 is provided at one end of the ventilation device main body 1, and two symmetrically arranged slide rods 12 are fixedly connected in the U-shaped groove 11. A scraper 13 is provided at the inner bottom of the U-shaped groove 11, and the scraper 13 is slidably sleeved on the two slide rods 12.

[0022] It should be noted that during use, since the filter frame 6 is fixed to the fixed frame 3 in the ventilation device body 1 by the magnetic adsorption force of the first iron sheet 8 and the first magnet 5, when it is necessary to disassemble the filter frame 6, the filter frame 6 can be removed by directly pulling it out. When installing, the first iron sheet 8 on the filter frame 6 is magnetically adsorbed on the first magnet 5 on the fixed frame 3, and the filter frame 6 can be installed and fixed.

[0023] It should be further explained that during use, as the filtration proceeds, when a filter cake layer is produced on the filter frame 6 , the scraper 13 is pushed upward to slide along the slide bar 12 to scrape off the filter cake layer produced on the surface of the filter frame 6 .

[0024] refer to Figure 2 and Figure 3 As shown, a positioning groove 15 is provided on the inner lower surface of the U-shaped groove 11, and a matching second magnet 16 is fixedly connected in the positioning groove 15. A groove 17 is provided on the lower surface of the scraper 13, and a second iron sheet 18 is fixedly connected in the groove 17. The second iron sheet 18 is magnetically adsorbed and fixed on the second magnet 16. When the scraper 13 is not in use, the scraper 13 can be magnetically adsorbed on the second magnet 16 through the second iron sheet 18, so that the scraper 13 can be fixed to the bottom of the U-shaped groove 11 when not in use.

[0025] refer to Figure 1 and Figure 2 As shown, a plurality of evenly distributed guide posts 10 are fixedly connected to one side of the fixed frame 3, and guide holes 9 matching the guide posts 10 are opened around the filter frame 6. The guide posts 10 slide through the adjacent guide holes 9. When the filter frame 6 is adsorbed and installed on the fixed frame 3, the guide posts 10 pass through the guide holes 9. The coordinated use of the guide posts 10 and the guide holes 9 plays a guiding role, so that the first iron sheet 8 can be aligned with the first magnet 5 for adsorption, making the magnetic adsorption fixation more stable.

[0026] refer to Figure 2 As shown, the end of the guide post 10 away from the filter frame 6 is arc-shaped, so that the guide post 10 can easily pass through the guide hole 9.

[0027] refer to Figure 1 and Figure 3 As shown, a side of the scraper 13 is fixedly connected to a carrying handle 14, and the carrying handle 14 is provided to facilitate pushing the scraper 13 to slide up for cleaning.

[0028] refer to Figure 1 As shown, two symmetrically arranged pull rings 19 are fixedly connected to the filter screen frame 6, and the filter screen frame 6 can be conveniently pulled out through the arranged pull rings 19.

[0029] The working principle provided by the utility model is as follows: during use, since the filter frame 6 is fixed to the fixed frame 3 in the ventilation device body 1 by the magnetic adsorption force of the first iron sheet 8 and the first magnet 5, when it is necessary to disassemble the filter frame 6, the filter frame 6 can be disassembled by directly pulling it out, and during installation, the first iron sheet 8 on the filter frame 6 is magnetically adsorbed on the first magnet 5 on the fixed frame 3, and the upper filter frame 6 can be installed and fixed. The filter frame 6 is installed by magnetic adsorption, which not only has a simple structure, but also makes the disassembly and assembly of the filter frame 6 more convenient and quick. In addition, the ventilation device body 1 has no external structure and can be conveniently installed in the ventilation opening of a building. During use, as the filtering proceeds, when a filter cake layer is generated on the filter frame 6, the scraper 13 is pushed upward, so that the scraper 13 slides up along the slide rod 12, and the filter cake layer generated on the surface of the filter frame 6 can be scraped off, so that the filter frame 6 can be conveniently and quickly cleaned, and it is more convenient to use.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for conveniently replacing a ventilation filter, characterized in that: include: A ventilation device body (1), wherein a matching fan (2) is installed in the ventilation device body (1); A filter mechanism, wherein the ventilation device body (1) is connected to the filter mechanism, the filter mechanism comprising a fixed frame (3), a first magnet (5), a filter screen frame (6) and a first iron sheet (8), the ventilation device body (1) is fixedly connected to the fixed frame (3), a side surface of the fixed frame (3) is provided with a plurality of evenly distributed fixed grooves (4), the fixed grooves (4) are fixedly connected to the first magnet (5), the ventilation device body (1) is provided with a matching filter screen frame (6), the periphery of the filter screen frame (6) is provided with a through cavity (7) matching the fixed groove (4), the through cavity (7) is fixedly connected to the matching first iron sheet (8), and the first iron sheet (8) is fixedly attached to the adjacent first magnet (5) by magnetic adsorption; A cleaning mechanism is provided, wherein the cleaning mechanism is connected to the ventilation device body (1), and comprises a slide bar (12) and a scraper (13). A U-shaped groove (11) is provided at one end of the ventilation device body (1), and two symmetrically arranged slide bars (12) are fixedly connected in the U-shaped groove (11). A scraper (13) is provided at the inner bottom of the U-shaped groove (11), and the scraper (13) is slidably sleeved on the two slide bars (12).

2. The device for conveniently replacing ventilation filters according to claim 1, characterized in that: A positioning groove (15) is provided on the inner lower surface of the U-shaped groove (11), and a matching second magnet (16) is fixedly connected in the positioning groove (15).

3. The device for conveniently replacing ventilation filters according to claim 1, characterized in that: A groove (17) is provided on the lower surface of the scraper (13), a second iron sheet (18) is fixedly connected in the groove (17), and the second iron sheet (18) is fixed on the second magnet (16) by magnetic adsorption.

4. The device for conveniently replacing ventilation filters according to claim 1, characterized in that: A plurality of evenly distributed guide posts (10) are fixedly connected to one side of the fixed frame (3); guide holes (9) matching the guide posts (10) are provided around the filter frame (6); and the guide posts (10) slide through adjacent guide holes (9).

5. The device for conveniently replacing ventilation filters according to claim 4, characterized in that: The end of the guide column (10) away from the filter frame (6) is in an arc shape.

6. The device for conveniently replacing ventilation filters according to claim 1, characterized in that: A carrying handle (14) is fixedly connected to one side of the scraper (13).

7. The device for conveniently replacing ventilation filters according to claim 1, characterized in that: Two symmetrically arranged pull rings (19) are fixedly connected to the filter screen frame (6).

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