Low-resistance high-air-volume high-efficiency air purification filter with baffle

Abstract

The application discloses a low-resistance large-air-volume high-efficiency air purification filter with a partition plate and belongs to the technical field of air purification filters. The low-resistance large-air-volume high-efficiency air purification filter with the partition plate comprises a shell, flange plates for butt-joint pipes are arranged at two ends of the shell, an insertion frame is fixedly connected to the inner wall of the shell, a fixed frame is inserted into the insertion frame, a filter plate is fixedly connected to the inner wall of the fixed frame, and a sealing plate is arranged on the front face of the shell. The linear section and the inclined section of the guide groove are matched with the sliding rod and the sliding sleeve, the sealing plate is first horizontally moved outward and then rotated by 180 degrees to completely leave the opening of the shell, the filter plate can be quickly replaced, the circular block and the piston block are pushed by the linkage rod to press air into the sealed air bag, the sealing plate is closed, the air bag is automatically inflated to tightly adhere to the inner side of the sealing plate, the unfiltered air is effectively prevented from leaking from the gap between the sealing plates, and the sealing reliability of the filter is remarkably improved.

Description

Technical Field

[0001] This invention belongs to the field of air purification filter technology, specifically relating to a low-resistance, high-airflow, partitioned, high-efficiency air purification filter. Background Technology

[0002] Air purifiers, as core components of air handling systems, are widely used in fields with stringent requirements for air cleanliness, such as pharmaceutical manufacturing, electronic semiconductors, and food processing. Their performance directly affects the air quality and process stability of the production environment.

[0003] The announcement number is CN119258670B. A dry chemical filter for air purification includes a frame, a dry filter box, a filter structure, an installation structure, an opening and closing structure, a scraping structure, and a closing structure.

[0004] The aforementioned application documents rely on hydraulically driven sealing doors to open the housing, but this only allows for linear sliding door opening, resulting in a long opening stroke and occupying a large amount of external space. Furthermore, since the door remains at the front of the filter box after sliding, it is inconvenient to replace the filter plates. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a low-resistance, high-volume, baffled high-efficiency air purifier filter, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides a low-resistance, high-volume, partitioned high-efficiency air purifier filter, comprising a housing, flanges for connecting pipes are fitted at both ends of the housing, a plug-in frame is fixedly connected to the inner wall of the housing, a fixing frame is plugged into the inside of the plug-in frame, a filter plate is fixedly connected to the inner wall of the fixing frame, and a sealing plate is provided on the front of the housing. An electric telescopic rod and a mounting plate are fixedly connected to the outer wall of the housing. The output end of the electric telescopic rod is hinged to a mounting rod. The sealing plate is fixedly sleeved on the outer wall of the mounting rod. A sliding sleeve A is slidably connected to the outer wall of the mounting rod. A sliding rod is rotatably connected to the bottom of the sliding sleeve A. A fixing box is fixedly connected to the other end of the mounting plate. A guide groove is provided at the bottom of the fixing box. A spiral groove A is provided on the outer wall of the mounting rod. A sliding shaft A is fixedly connected to the inner wall of the sliding sleeve A. A sealing frame is fixedly connected to the inner wall of the housing. A sealing airbag is provided on the inner wall of the sealing frame. An air supply pipe is fitted into the air inlet of the sealing airbag. An air inlet pipe is fitted into the upper end of the air supply pipe. A piston block is slidably connected to the inner wall of the air supply pipe. A movable rod A is fixedly connected to the outer wall of the piston block. A circular block is fixedly connected to the other end of the movable rod A. A linkage rod is fixedly sleeved on the outer wall of the output shaft of the electric telescopic rod.

[0007] As a further description of the above technical solution: The bottom end of the slide rod is slidably connected to the inside of the guide groove, and the guide groove is composed of a straight groove and an inclined groove.

[0008] As a further description of the above technical solution: A spring A is fixedly connected to the outer wall of one end of the gas pipeline, and the other end of the spring A is fixedly connected to a circular block.

[0009] As a further description of the above technical solution: The sliding shaft A is slidably connected to the inner wall of the spiral groove A, and one-way valves are provided at the connection points of the air supply pipe, the sealing airbag, and the air inlet pipe.

[0010] As a further description of the above technical solution: A rotating rod is rotatably passed through the back of the housing. A movable cavity is formed inside the fixed frame. An opening is formed on the inner wall of the movable cavity. One end of the rotating rod rotatably passes through the opening and extends into the interior of the movable cavity. A locking block is fixedly connected to the end of the rotating rod located inside the movable cavity. A connecting rod A is fixedly connected to the outer wall of the linkage rod. A connecting rod B is fixedly connected to the upper end of the connecting rod A. A sliding sleeve B is fixedly connected to the upper end of the connecting rod B. A sliding shaft B is rotatably connected to the inner wall of the sliding sleeve B. A spiral groove B is formed on the outer wall of the rotating rod.

[0011] As a further description of the above technical solution: The sliding sleeve B is slidably connected to the outer wall of the rotating rod, and the sliding shaft B is slidably connected to the inner wall of the spiral groove B.

[0012] As a further description of the above technical solution: The width of the card block is smaller than the width of the opening, and the length of the card block is greater than the width of the opening.

[0013] As a further description of the above technical solution: The outer wall of the rotating rod is fixedly fitted with a movable rod B. The two ends of the movable rod B are hinged to a connecting rod by a pin. The other end of the connecting rod is hinged to a connecting rod C by a pin. The other end of the connecting rod C is fixedly connected to a movable plate. The bottom of the movable plate is fixedly connected to a sealing gasket.

[0014] As a further description of the above technical solution: The end of the connecting rod C away from the connecting rod slides through the upper and lower sides of the housing, and the movable plate and the sealing gasket are slidably connected to the upper side of the plug frame.

[0015] The advantages of this application are: (1) This application achieves the effect of the sealing plate first moving horizontally outward and then rotating 180 degrees to completely open the shell by using the straight section and inclined section of the guide groove in conjunction with the sliding rod and sliding sleeve, which facilitates the quick replacement of the filter plate; by pushing the circular block and piston block with the linkage rod to press the air into the sealing airbag, the airbag automatically expands and tightly adheres to the inner side of the sealing plate when the sealing plate is closed, which effectively avoids the leakage of unfiltered air from the gap of the sealing plate and significantly improves the sealing reliability of the filter.

[0016] (2) This application uses a linkage rod to drive the sliding sleeve B to slide along the rotating rod via connecting rod A and connecting rod B. The rotating rod is rotated 90 degrees by the cooperation of sliding shaft B and spiral groove B. This achieves the effect that the locking block automatically rotates to the vertical state to release the lock when the sealing plate is opened, and automatically rotates to the horizontal state to restore the lock when the sealing plate is closed. This effectively prevents the filter plate from loosening due to vibration during equipment operation and enhances the stability of filter plate installation.

[0017] (3) This application uses the rotation of the rotating rod to drive the moving rod and the connecting rod to move the connecting rod C and the moving plate up and down, so as to achieve the linkage sealing effect that the sealing gasket automatically rises away from the plug frame when the sealing plate is opened and the sealing gasket automatically falls to fit the fixed frame when the sealing plate is closed. This effectively avoids the leakage of unfiltered air from the gap between the plug frame and the fixed frame, and further enhances the overall sealing performance of the filter. Attached Figure Description

[0018] Figure 1 This is an overall diagram of the invention; Figure 2 This is a partial cross-sectional view of the present invention; Figure 3 This is the invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is the invention Figure 2 Enlarged view at point B in the middle; Figure 5 This is a cross-sectional view of the back and part of the present invention; Figure 6 This is the invention Figure 5 Enlarged view at point C; Figure 7 These are side and top sectional views of the present invention; Figure 8 This is the invention Figure 7 Enlarged view of point D in the middle.

[0019] Explanation of key figure labels: 1. Housing; 2. Flange; 31. Insertion frame; 32. Fixing frame; 33. Filter plate; 4. Sealing plate; 51. Electric telescopic rod; 52. Mounting rod; 53. Sliding sleeve A; 54. Sliding rod; 55. Guide groove; 56. Spiral groove A; 57. Sliding shaft A; 58. Sealing frame; 59. Sealing airbag; 510. Air supply pipe; 511. Air inlet pipe; 512. Movable rod A; 513. Piston block; 5 14. Circular block; 515. Linkage rod; 516. Spring A; 517. Mounting plate; 518. Fixing box; 61. Rotating rod; 62. Locking block; 63. Movable cavity; 64. Through port; 65. Connecting rod A; 66. Connecting rod B; 67. Sliding sleeve B; 68. Sliding shaft B; 69. Spiral groove B; 71. Movable rod B; 72. Connecting rod; 73. Connecting rod C; 74. Moving plate; 75. Sealing gasket. Detailed Implementation

[0020] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort should fall within the scope of protection of the present application.

[0021] Example 1, as Figures 1-7 As shown, a low-resistance, high-volume, baffled high-efficiency air purifier filter includes a housing 1, flanges 2 for connecting pipes are fitted at both ends of the housing 1, a plug-in frame 31 is fixedly connected to the inner wall of the housing 1, a fixed frame 32 is plugged into the inside of the plug-in frame 31, a filter plate 33 is fixedly connected to the inner wall of the fixed frame 32, and a sealing plate 4 is provided on the front of the housing 1. An electric telescopic rod 51 and a mounting plate 517 are fixedly connected to the outer wall of the housing 1. A mounting rod 52 is hinged to the output end of the electric telescopic rod 51. A sealing plate 4 is fixedly sleeved on the outer wall of the mounting rod 52. A sliding sleeve A53 is slidably connected to the outer wall of the mounting rod 52. A sliding rod 54 is rotatably connected to the bottom of the sliding sleeve A53. A fixing box 518 is fixedly connected to the other end of the mounting plate 517. A guide groove 55 is provided at the bottom of the fixing box 518. A spiral groove A56 is provided on the outer wall of the mounting rod 52. A sliding rod 54 is fixedly connected to the inner wall of the sliding sleeve A53. The sliding shaft A57 has a sealing frame 58 fixedly connected to the inner wall of the housing 1. The inner wall of the sealing frame 58 is provided with a sealing airbag 59. The air inlet of the sealing airbag 59 is equipped with an air supply pipe 510. The upper end of the air supply pipe 510 is equipped with an air inlet pipe 511. The inner wall of the air supply pipe 510 is slidably connected with a piston block 513. The outer wall of the piston block 513 is fixedly connected with a movable rod A512. The other end of the movable rod A512 is fixedly connected with a circular block 514. The outer wall of the output shaft of the electric telescopic rod 51 is fixedly sleeved with a linkage rod 515.

[0022] The bottom end of the slide rod 54 is slidably connected to the inside of the guide groove 55, and the guide groove 55 is composed of a straight groove and an inclined groove. By setting the guide groove 55, which is a combination of a straight groove and an inclined groove, the slide rod 54 keeps the position of the sliding sleeve A53 unchanged when it slides along the straight groove in the initial stage of movement. Only after the sealing plate 4 moves horizontally out to the correct position does it enter the inclined groove to drive the sliding sleeve A53 to slide. This realizes the sequential action of the sealing plate 4 first moving horizontally outward and then rotating 180 degrees, avoiding interference between the sealing plate 4 and the housing 1 when the sealing plate 4 rotates inside the housing 1, and improving the smoothness and safety of the opening operation.

[0023] A spring A516 is fixedly connected to the outer wall of one end of the air supply pipe 510, and the other end of the spring A516 is fixedly connected to the circular block 514. By setting the spring A516, when the electric telescopic rod 51 extends, it can automatically push the circular block 514 and the piston block 513 to reset, so that the air in the sealing airbag 59 is discharged through the one-way valve, the airbag contracts and releases the seal, making it easy for the sealing plate 4 to open; at the same time, the spring A516 provides a buffer when the sealing plate 4 is closed, avoiding rigid impact between the linkage rod 515 and the circular block 514, thus improving the reliability of the sealing control mechanism.

[0024] The sliding shaft A57 is slidably connected to the inner wall of the spiral groove A56. One-way valves are provided at the connection points of the air supply pipe 510, the sealing airbag 59, and the air inlet pipe 511. By setting the one-way valves, air is allowed to flow into the sealing airbag 59 in one direction to achieve expansion and sealing when the piston block 513 compresses air. When the piston block 513 resets, air in the sealing airbag 59 is allowed to be discharged in one direction through the air inlet pipe 511 to prevent air backflow and ensure the accuracy and stability of the inflation and deflation of the sealing airbag 59.

[0025] In practical use, when using the purification filter, the pipe is assembled on the flanges 2 on both sides of the housing 1, and then filtered through the filter plate 33. When the filter plate 33 needs to be replaced, the electric telescopic rod 51 is activated, which moves the mounting rod 52 together. The mounting rod 52 then moves the sealing plate 4 together, and at the same time, the mounting rod 52 moves the sliding sleeve A53 horizontally. The sliding rod 54 at the bottom of the sliding sleeve A53 is slidably connected to the inside of the guide groove 55. The guide groove 55 is composed of a straight groove and an inclined groove. In the initial stage of the movement of the mounting rod 52, the sliding rod 54 slides along the straight section of the guide groove 55. At this time, the vertical position of the sliding rod 54 in the guide groove 55 remains unchanged. Therefore, the relative position of the sliding sleeve A53 on the mounting rod 52 remains unchanged. The sliding shaft A57 on the inner wall of the sliding sleeve A53 does not slide relative to each other in the spiral groove A56. The mounting rod 52 does not rotate, and the sealing plate 4 remains horizontally outward. When the mounting rod 52 moves to the inclined section of the guide groove 55 where the sliding rod 54 enters, the sliding rod 54 moves outward along the inclined groove, causing the sliding sleeve A53 to slide outward on the outer wall of the mounting rod 52. When the sliding sleeve A53 moves, the sliding shaft A57 on its inner wall slides along the spiral groove A56 on the outer wall of the mounting rod 52, forcing the mounting rod 52 to rotate around its own axis. As the sliding rod 54 continues to move down in the inclined groove, the sliding shaft A57 slides along the spiral groove A56, causing the mounting rod 52 to rotate 180 degrees. The sealing plate 4 rotates 180 degrees accordingly, so that the sealing plate 4 is fully opened and the opening on the front of the housing 1 is made. At this time, the fixing frame 32 can be pulled out from the plug-in frame 31 to replace the filter plate 33. When it is necessary to close the sealing plate 4, the electric telescopic rod 51 retracts in the opposite direction, and the above actions are performed in reverse. The sealing plate 4 first rotates 180 degrees in the opposite direction to reset, and then moves horizontally inward to close the opening on the front of the housing 1. Simultaneously, during the closing process of the sealing plate 4, the electric telescopic rod 51 retracts in the opposite direction, the sealing plate 4 first rotates 180 degrees in the opposite direction to reset, and then moves horizontally inward to close the front opening of the housing 1. As the linkage rod 515 moves with the electric telescopic rod 51, it pushes the circular block 514 to move against the elastic force of the spring A516. The circular block 514 drives the movable rod A512 and the piston block 513 to move, forcing the air in the air supply pipe 510 into the sealing airbag 59 through the one-way valve. The sealing airbag 59 expands and presses tightly against the inner side of the sealing plate 4, thus sealing the sealing plate 4. When the filter plate 33 needs to be replaced again, the electric telescopic rod 51 extends, the linkage rod 515 disengages from the circular block 514, the spring A516 pushes the circular block 514 and the piston block 513 to reset, the air in the sealing airbag 59 is discharged through the one-way valve on the air supply pipe 510 and the air inlet pipe 511, the sealing airbag 59 contracts, the seal is released, and then the sealing plate 4 moves horizontally outward and rotates to open.

[0026] Example 2, as Figures 5-8 As shown, based on Embodiment 1, a rotating rod 61 is rotatably passed through the back of the housing 1. A movable cavity 63 is opened inside the fixed frame 32. A through-hole 64 is opened on the inner wall of the movable cavity 63. One end of the rotating rod 61 rotatably passes through the through-hole 64 and extends into the interior of the movable cavity 63. A locking block 62 is fixedly connected to the end of the rotating rod 61 located inside the movable cavity 63. A connecting rod A65 is fixedly connected to the outer wall of the linkage rod 515. A connecting rod B66 is fixedly connected to the upper end of the connecting rod A65. A sliding sleeve B67 is fixedly connected to the upper end of the connecting rod B66. A sliding shaft B68 is rotatably connected to the inner wall of the sliding sleeve B67. A spiral groove B69 is opened on the outer wall of the rotating rod 61.

[0027] The sliding sleeve B67 is slidably connected to the outer wall of the rotating rod 61, and the sliding shaft B68 is slidably connected to the inner wall of the spiral groove B69. By setting the cooperation between the spiral groove B69 and the sliding shaft B68, the sliding sleeve B67 can drive the rotating rod 61 to rotate precisely 90 degrees when it moves linearly along the rotating rod 61, realizing the linkage control of opening the sealing plate 4 and unlocking the fixed frame 32, and closing the sealing plate 4 and locking the fixed frame 32.

[0028] The width of the locking block 62 is smaller than the width of the opening 64, and the length of the locking block 62 is greater than the width of the opening 64. By setting the width of the locking block 62 to be smaller than the width of the opening 64 and the length to be greater than the width of the opening 64, the locking block 62 can pass through the opening 64 in a vertical state to unlock when the rotating rod 61 rotates 90 degrees, and lock itself in a horizontal state by locking it against the inner wall of the movable cavity 63. The structure is simple and compact, and effectively prevents the fixed frame 32 from loosening due to vibration during equipment operation.

[0029] When the above-mentioned equipment is used, when the electric telescopic rod 51 is started and drives the linkage rod 515 to move, the linkage rod 515 drives the connecting rod A65 and the connecting rod B66 to move synchronously towards the housing 1. The sliding sleeve B67 at the upper end of the connecting rod B66 slides along the outer wall of the rotating rod 61 towards the housing 1. The sliding shaft B68 on the inner wall of the sliding sleeve B67 slides along the spiral groove B69 on the outer wall of the rotating rod 61, causing the rotating rod 61 to rotate 90 degrees. The locking block 62 changes from the initial horizontal locking state to the vertical state. At this time, the locking block 62 can be pulled out from the movable cavity 63 through the through port 64 to release the lock on the fixed frame 32. Thus, the fixed frame 32 can be pulled out from the plug-in frame 31 for the replacement of the filter plate 33. When it is necessary to relock the fixed frame 32, the electric telescopic rod 51 moves in the reverse direction, the linkage rod 515 drives the connecting rod A65 and the connecting rod B66 to move in the reverse direction, the sliding sleeve B67 slides along the rotating rod 61 in the direction away from the housing 1, the sliding shaft B68 slides in the reverse direction along the spiral groove B69 to drive the rotating rod 61 to rotate 90 degrees in the reverse direction, the locking block 62 returns to the horizontal locking state, and is locked in the inner wall of the movable cavity 63, locking the fixed frame 32 inside the plug-in frame 31 to prevent the filter plate 33 from loosening due to vibration during equipment operation.

[0030] Example 3, as Figures 5-7 As shown, based on Embodiment 1 (or Embodiment 2), a movable rod B71 is fixedly sleeved on the outer wall of the rotating rod 61. The two ends of the movable rod B71 are hinged to the connecting rod 72 by a pin. The other end of the connecting rod 72 is hinged to the connecting rod C73 by a pin. The other end of the connecting rod C73 is fixedly connected to the movable plate 74. The bottom of the movable plate 74 is fixedly connected to the sealing gasket 75.

[0031] The end of the connecting rod C73 away from the connecting rod 72 slides through the upper and lower sides of the housing 1. The movable plate 74 and the sealing gasket 75 are slidably connected to the upper side of the inside of the plug frame 31. By setting the movable plate 74 and the sealing gasket 75 to slide on the upper side of the inside of the plug frame 31, the rotating rod 61 can drive the sealing gasket 75 to automatically rise and fall through the movable rod B71 and the connecting rod 72 when rotating. This realizes the linkage control that the sealing gasket 75 automatically rises to release the seal when the sealing plate 4 is opened and automatically falls to restore the seal when the sealing plate 4 is closed. This effectively avoids the leakage of unfiltered air from the gap between the plug frame 31 and the fixed frame 32.

[0032] When the above-mentioned equipment is used, when the sealing plate 4 is opened and the rotating rod 61 rotates 90 degrees to release the lock on the fixed frame 32, the movable rod B71 fixedly sleeved on the outer wall of the rotating rod 61 rotates 90 degrees synchronously. The two ends of the movable rod B71 are hinged to the connecting rod 72 through the pin, and the other end of the connecting rod 72 is hinged to the connecting rod C73 through the pin. When the rotating rod 61 rotates, it drives the movable rod B71 to swing. The movable rod B71 pushes the connecting rod C73 to slide upward along the upper and lower sides of the housing 1 through the connecting rod 72. The connecting rod C73 drives the moving plate 74 and the bottom sealing gasket 75 to move upward, so that the sealing gasket 75 moves away from the upper and lower sides of the plug frame 31, releasing the seal on the gap between the plug frame 31 and the fixed frame 32. At this time, the fixed frame 32 is in a free state on all sides, making it easy to pull the fixed frame 32 out of the plug frame 31 for replacement of the filter plate 33. When it is necessary to relock and seal the fixed frame 32, the rotating rod 61 rotates 90 degrees in the opposite direction, the movable rod B71 swings in the opposite direction, and the connecting rod 72 pulls the connecting rod C73 and the moving plate 74 downward to reset. The sealing gasket 75 is tightly attached to the upper and lower end faces of the fixed frame 32 again, restoring the seal on the gap between the plug frame 31 and the fixed frame 32, preventing unfiltered air from leaking from the gap.

[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A low-resistance, high-volume, baffled high-efficiency air purifier filter, comprising a housing, characterized in that, The two ends of the housing are fitted with flanges for connecting pipes. The inner wall of the housing is fixedly connected to a plug-in frame. A fixing frame is inserted into the inside of the plug-in frame. A filter plate is fixedly connected to the inner wall of the fixing frame. A sealing plate is provided on the front of the housing. An electric telescopic rod and a mounting plate are fixedly connected to the outer wall of the housing. The output end of the electric telescopic rod is hinged to a mounting rod. The sealing plate is fixedly sleeved on the outer wall of the mounting rod. A sliding sleeve A is slidably connected to the outer wall of the mounting rod. A sliding rod is rotatably connected to the bottom of the sliding sleeve A. A fixing box is fixedly connected to the other end of the mounting plate. A guide groove is provided at the bottom of the fixing box. A spiral groove A is provided on the outer wall of the mounting rod. A sliding shaft A is fixedly connected to the inner wall of the sliding sleeve A. A sealing frame is fixedly connected to the inner wall of the housing. A sealing airbag is provided on the inner wall of the sealing frame. An air supply pipe is fitted into the air inlet of the sealing airbag. An air inlet pipe is fitted into the upper end of the air supply pipe. A piston block is slidably connected to the inner wall of the air supply pipe. A movable rod A is fixedly connected to the outer wall of the piston block. A circular block is fixedly connected to the other end of the movable rod A. A linkage rod is fixedly sleeved on the outer wall of the output shaft of the electric telescopic rod.

2. The low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 1, characterized in that, The bottom end of the slide rod is slidably connected to the inside of the guide groove, and the guide groove is composed of a straight groove and an inclined groove.

3. The low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 2, characterized in that, A spring A is fixedly connected to the outer wall of one end of the gas pipeline, and the other end of the spring A is fixedly connected to a circular block.

4. The low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 3, characterized in that, The sliding shaft A is slidably connected to the inner wall of the spiral groove A, and one-way valves are provided at the connection points of the air supply pipe, the sealing airbag, and the air inlet pipe.

5. A low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 4, characterized in that, A rotating rod is rotatably passed through the back of the housing. A movable cavity is formed inside the fixed frame. An opening is formed on the inner wall of the movable cavity. One end of the rotating rod rotatably passes through the opening and extends into the interior of the movable cavity. A locking block is fixedly connected to the end of the rotating rod located inside the movable cavity. A connecting rod A is fixedly connected to the outer wall of the linkage rod. A connecting rod B is fixedly connected to the upper end of the connecting rod A. A sliding sleeve B is fixedly connected to the upper end of the connecting rod B. A sliding shaft B is rotatably connected to the inner wall of the sliding sleeve B. A spiral groove B is formed on the outer wall of the rotating rod.

6. A low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 5, characterized in that, The sliding sleeve B is slidably connected to the outer wall of the rotating rod, and the sliding shaft B is slidably connected to the inner wall of the spiral groove B.

7. A low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 6, characterized in that, The width of the card block is smaller than the width of the opening, and the length of the card block is greater than the width of the opening.

8. A low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 7, characterized in that, The outer wall of the rotating rod is fixedly fitted with a movable rod B. The two ends of the movable rod B are hinged to a connecting rod by a pin. The other end of the connecting rod is hinged to a connecting rod C by a pin. The other end of the connecting rod C is fixedly connected to a movable plate. The bottom of the movable plate is fixedly connected to a sealing gasket.

9. A low-resistance, high-volume, baffled high-efficiency air purifier filter according to claim 8, characterized in that, The end of the connecting rod C away from the connecting rod slides through the upper and lower sides of the housing, and the movable plate and the sealing gasket are slidably connected to the upper side of the plug frame.

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