Detachable air filter

Abstract

The utility model relates to the technical field of air filters, and discloses a detachable air filter. Comprising an air filter, a first connecting frame, a placing frame and a second connecting frame, an opening is formed in the side wall of the air filter, and the first connecting frame is arranged on the side wall, located at the opening, of the air filter in an attached mode. The first connecting frame provided by the utility model can be stably placed on the side wall of the air filter through the inserting plate, so that the plurality of rectangular frames and the filter screen are stably placed and used, and the filter screen is arranged on the outer side of the air filter, so that an operable space for subsequent disassembly and replacement can be enlarged, and the convenience is improved; a handle is pressed downwards to drive a pressing rod to move downwards, so that a shifting piece extends into a rectangular groove, at the moment, the shifting piece moves out to the position below a cross-shaped notch and is not limited to a rotating rod, the rotating rod can stably rotate to drive a rotating cylinder to rotate, meanwhile, a clamping block is driven to retract into the rectangular groove, and a connecting plate and a rectangular frame can be pulled out; and the filter screen can be conveniently replaced.

Description

Technical Field

[0001] This utility model relates to the field of air filter technology, and in particular to a detachable air filter. Background Technology

[0002] An air filter is an air filtration device that captures dust from a gas-solid two-phase flow and purifies the gas. Finally, the purified air with low dust content is sent into the room to ensure the process requirements of clean rooms and the air cleanliness of general air-conditioned rooms.

[0003] In existing technologies, air filters require periodic replacement of the filter element. To ensure stable protection, the filter element is typically installed inside the air filter, necessitating removal of part of the filter housing for replacement. This process is cumbersome, and the limited space inside the air filter makes disassembly and replacement difficult. Therefore, this invention presents a detachable air filter. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that in the prior art, in order to provide stable protection for the filter element, the filter element is generally installed inside the air filter. When replacing it, it is necessary to remove part of the air filter housing, which is cumbersome. In addition, the limited space inside the air filter makes it inconvenient to disassemble and replace it. Therefore, a detachable air filter is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A detachable air filter includes an air filter, a first connecting frame, a placement frame, and a second connecting frame. The air filter has an opening on its side wall. The first connecting frame is fitted onto the side wall of the air filter where the opening is located. The placement frame is fixedly connected to the side of the first connecting frame facing away from the air filter. The second connecting frame is fixedly connected to the side of the placement frame facing away from the first connecting frame. The inner wall of the placement frame has multiple strip-shaped openings. A rectangular frame is inserted into the inner wall of the placement frame at one of the strip-shaped openings. A filter screen is provided on the inner wall of the rectangular frame. A connecting plate is fixedly connected to the top of the rectangular frame. The connecting plate is fitted onto the inner wall of the placement frame at one of the strip-shaped openings. A rectangular groove is formed in the inner wall of the connecting plate. A rotating cylinder is rotatably connected to the connecting plate at the inner wall of the rectangular groove. A locking block is fixedly connected to the wall of the rotating cylinder. A limiting groove is formed in the inner wall of the placement frame. An opening is formed in the side wall of the connecting plate at the rectangular groove. The locking block extends through the opening into the interior of the placement frame at the limiting groove. An adjustment mechanism is provided on the inner wall of the top of the connecting plate.

[0007] Preferably, a protective cover plate is attached to the side wall of the second connecting frame, and the inner wall of the protective cover plate has multiple through holes.

[0008] Preferably, a plug is fixedly connected to the bottom of the rectangular frame, and a slot is provided on the inner wall of the bottom end of the placement frame, with the plug inserted into the inner wall of the slot.

[0009] Preferably, an insert plate is fixedly connected to the side wall of the first connecting frame, and an installation groove is provided on the inner wall of the air filter. The insert plate is inserted into the inner wall of the installation groove. A rectangular groove is provided on the inner wall of the insert plate. A fixing rod is fixedly connected to the insert plate on the inner wall of the rectangular groove. A clamping plate and a torsion spring are movably sleeved on the wall of the fixing rod. One end of the torsion spring is fixedly connected to the inner wall of the clamping plate, and the other end of the torsion spring is fixedly connected to the inner wall of the insert plate. A slot is provided on the inner wall of the air filter, and the clamping plate is clamped onto the inner wall of the air filter located in the slot.

[0010] Preferably, a pull rope is fixedly connected to the side wall of the card plate, a cavity is opened in the inner wall of the first connecting frame, a rotating rod is rotatably provided in the inner wall of the cavity, one end of the pull rope away from the card plate is fixedly connected to the rod wall of the rotating rod, and a rotating ring is fixedly connected to the top end of the rotating rod.

[0011] Preferably, the end of the card plate is provided with a rubber pad, and the air filter is fixedly connected to the anti-slip pad on the inner wall of the card slot. The rubber pad is pressed and set on the side wall of the anti-slip pad.

[0012] Preferably, the adjusting mechanism includes a pressure rod, a paddle, a handle, and a spring. The inner wall of the connecting plate has a notch, and the rod wall of the pressure rod extends through the notch to the inner wall of the connecting plate located in the rectangular groove. The inner wall of the connecting plate located in the notch has a cross groove. The paddle is fixedly connected to the rod wall of the pressure rod and is slidably disposed on the inner wall of the connecting plate located in the cross groove. The inner wall of the top end of the rotating cylinder has a rectangular groove, and the paddle extends to the inner wall of the rectangular groove. The bottom of the spring is fixedly connected to the inner wall of the connecting plate located in the notch, and the top end of the spring is pressed against the bottom of the handle.

[0013] Preferably, a metal rod is fixedly connected to the side wall of the protective cover, a slot is provided on the inner wall of the second connecting frame, and a magnetic block is fixedly connected to the inner wall of the second connecting frame in the slot, with the metal rod and the magnetic block adsorbed together.

[0014] Preferably, a pull ring is fixedly connected to the side wall of the protective cover.

[0015] Compared with the prior art, the present invention provides a detachable air filter, which has the following advantages:

[0016] 1. This detachable air filter can be stably placed on the side wall of the air filter via the first connecting frame and the insert plate, allowing multiple rectangular frames and filter screens to be stably placed and used. The filter screen is located on the outside of the air filter, which increases the operability space for subsequent disassembly and replacement, improving convenience. Pressing down the handle can drive the pressure rod to move down, causing the paddle to extend into the interior of the rectangular groove. At this time, the paddle moves out to the bottom of the cross slot without limiting the rotating rod, allowing the rotating rod to rotate stably and drive the rotating cylinder to rotate while simultaneously causing the locking block to retract into the interior of the rectangular groove. The connecting plate and rectangular frame can be pulled out for easy replacement of the filter screen.

[0017] 2. This detachable air filter, through a torsion spring, can push the clamping plate to extend into the inside of the slot, allowing the insert plate to be stably set inside the mounting slot. This improves the stability of the first connecting frame on the side wall of the air filter and enhances the stability of the filter screen during use. Subsequently, rotating the rotating ring can drive the rotating rod to rotate, and the rotation of the rotating rod can cause the pull rope to be wound around the rod wall. Then, the pull rope can pull the clamping plate to retract into the rectangular slot, facilitating the removal of the first connecting frame. The rubber pad is pressed tightly onto the side wall of the anti-slip pad, which can improve the tightness and stability of the clamping plate being locked inside the slot.

[0018] 3. This detachable air filter can protect the filter screen inside the second connecting frame and the placement frame through the protective cover. At the same time, the anti-slip cover has multiple through holes to ensure the air permeability of the protective cover and prevent it from affecting the filtration effect of the filter screen. The metal rod extends into the inside of the slot and is attached to the magnetic block to improve the stability of the protective cover installation. The protective cover can be removed by pulling the pull ring. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a detachable air filter proposed in this utility model;

[0020] Figure 2 for Figure 1 Enlarged structural diagram of part A in the middle section;

[0021] Figure 3 for Figure 1 Enlarged structural diagram of section B in the middle;

[0022] Figure 4 for Figure 2 Three-dimensional view of the middle connecting plate;

[0023] Figure 5 for Figure 2 A three-dimensional view of the structure with the frame placed in the middle.

[0024] In the diagram: 1 Air filter, 2 First connecting frame, 3 Placement frame, 4 Second connecting frame, 5 Protective cover, 6 Rectangular frame, 7 Filter screen, 8 Connecting plate, 9 Insert block, 10 Insert plate, 11 Fixing rod, 12 Card plate, 13 Torsion spring, 14 Pull rope, 15 Rotating rod, 16 Rotary ring, 17 Rubber pad, 18 Anti-slip pad, 19 Rotary cylinder, 20 Card block, 21 Pressure rod, 22 Paddle, 23 Handle, 24 Spring, 25 Metal rod, 26 Magnetic block, 27 Pull ring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Example 1

[0027] Reference Figure 1-5 A detachable air filter includes an air filter 1, a first connecting frame 2, a placement frame 3, and a second connecting frame 4. An opening is formed in the side wall of the air filter 1. The first connecting frame 2 is fitted onto the side wall of the air filter 1 where the opening is located. The placement frame 3 is fixedly connected to the side of the first connecting frame 2 facing away from the air filter 1. The second connecting frame 4 is fixedly connected to the side of the placement frame 3 facing away from the first connecting frame 2. Multiple strip-shaped openings are formed in the inner wall of the placement frame 3. A rectangular frame 6 is inserted into the inner wall of the placement frame 3 at the location of each strip-shaped opening. The inner wall is provided with a filter screen 7. The top of the rectangular frame 6 is fixedly connected to a connecting plate 8. The connecting plate 8 is fitted to the inner wall of the placement frame 3 located at the strip-shaped opening. The inner wall of the connecting plate 8 is provided with a rectangular groove. The connecting plate 8 is rotatably connected to the inner wall of the rectangular groove. A locking block 20 is fixedly connected to the cylinder wall of the rotating cylinder 19. The inner wall of the placement frame 3 is provided with a limiting groove. The connecting plate 8 is provided with an opening on the side wall of the rectangular groove. The locking block 20 extends through the opening into the placement frame 3 located inside the limiting groove. An insert plate 10 is fixedly connected to the side wall of the first connecting frame 2.

[0028] The inner wall of the top of the connecting plate 8 is provided with an adjustment mechanism, which includes a pressure rod 21, a paddle 22, a handle 23 and a spring 24. The inner wall of the connecting plate 8 is provided with a notch, and the rod wall of the pressure rod 21 extends through the notch to the inner wall of the rectangular groove of the connecting plate 8. The inner wall of the connecting plate 8 in the notch is provided with a cross groove. The paddle 22 is fixedly connected to the rod wall of the pressure rod 21 and slides on the inner wall of the cross groove of the connecting plate 8. The inner wall of the top of the rotating cylinder 19 is provided with a rectangular groove, and the paddle 22 extends to the inner wall of the rectangular groove. The bottom of the spring 24 is fixedly connected to the inner wall of the notch of the connecting plate 8, and the top of the spring 24 is pressed against the bottom of the handle 23.

[0029] In use, the first connecting frame 2, the placement frame 3, and the second connecting frame 4 can stably place multiple rectangular frames 6 and filters 7. Then, the first connecting frame 2 can be stably placed on the side wall of the air filter 1 through the insert plate 10, so that multiple rectangular frames 6 and filters 7 can be stably placed and used. Moreover, the filter 7 is placed on the outside of the air filter 1, which can increase the operable space for subsequent disassembly and replacement, and improve convenience.

[0030] The downward pressure of the handle 23 can drive the pressure rod 21 to move down, causing the paddle 22 to extend into the rectangular groove. At this time, the paddle 22 moves out to the bottom of the cross groove, without limiting the rotation rod 21, allowing the rotation rod 21 to rotate stably and drive the rotating drum 19 to rotate while driving the locking block 20 to retract into the rectangular groove. This allows the connecting plate 8 and the rectangular frame 6 to be pulled out, making it convenient to replace the filter screen 7.

[0031] Example 2

[0032] Reference Figure 1-5 The inner wall of the insert plate 10 has a rectangular groove, and the inner wall of the air filter 1 has an installation groove. The insert plate 10 is inserted into the inner wall of the installation groove. The insert plate 10 is fixedly connected to the inner wall of the rectangular groove. The fixing rod 11 is movably sleeved on the rod wall of the fixing rod 11. One end of the torsion spring 13 is fixedly connected to the inner wall of the fixing rod 12, and the other end of the torsion spring 13 is fixedly connected to the inner wall of the insert plate 10. The inner wall of the air filter 1 has a slot, and the fixing plate 12 is clamped to the inner wall of the air filter 1 located in the slot.

[0033] A pull rope 14 is fixedly connected to the side wall of the card plate 12. A cavity is opened in the inner wall of the first connecting frame 2. A rotating rod 15 is rotatably provided in the inner wall of the cavity. One end of the pull rope 14 away from the card plate 12 is fixedly connected to the rod wall of the rotating rod 15. A rotating ring 16 is fixedly connected to the top of the rotating rod 15. A rubber pad 17 is provided at the end of the card plate 12. An anti-slip pad 18 is fixedly connected to the inner wall of the air filter 1 located in the card slot. The rubber pad 17 is pressed tightly onto the side wall of the anti-slip pad 18.

[0034] After the insert plate 10 is inserted into the slot, the torsion spring 13 can push the retaining plate 12 to extend into the slot, so that the insert plate 10 can be stably placed inside the mounting slot, which can improve the stability of the first connecting frame 2 on the side wall of the air filter 1, thereby improving the stability of the filter screen 7. Subsequently, rotating the rotating ring 16 can drive the rotating rod 15 to rotate. The rotation of the rotating rod 15 can cause the pull rope 14 to be wound around the rod wall of the rotating rod 15. Then the pull rope 14 can pull the retaining plate 12 to retract into the rectangular slot, which is convenient for the removal of the first connecting frame 2. The rubber pad 17 is pressed tightly on the side wall of the anti-slip pad 18, which can improve the tight stability of the retaining plate 12 in the slot.

[0035] Example 3

[0036] Reference Figure 1-5 A protective cover plate 5 is attached to the side wall of the second connecting frame 4. The inner wall of the protective cover plate 5 has multiple through holes. A plug 9 is fixedly connected to the bottom of the rectangular frame 6. A slot is opened on the inner wall of the bottom end of the placement frame 3. The plug 9 is inserted into the inner wall of the slot. A metal rod 25 is fixedly connected to the side wall of the protective cover plate 5. A slot is opened on the inner wall of the second connecting frame 4. A magnetic block 26 is fixedly connected to the inner wall of the second connecting frame 4 located in the slot. The metal rod 25 is attracted to the magnetic block 26. A pull ring 27 is fixedly connected to the side wall of the protective cover plate 5.

[0037] The protective cover 5 can protect the filter screen 7 inside the second connecting frame 4 and the placement frame 3. At the same time, the anti-slip cover 5 has multiple through holes inside to ensure the air permeability of the protective cover 5 and prevent it from affecting the filtration effect of the filter screen 7. The metal rod 25 extends into the inside of the slot and is attached to the magnetic block 26 to improve the stability of the protective cover 5 installation. The protective cover 5 can be removed by pulling the pull ring 27.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A detachable air filter, comprising an air filter (1), a first connecting frame (2), a placement frame (3), and a second connecting frame (4), characterized in that: An opening is provided on the side wall of the air filter (1). The first connecting frame (2) is fitted onto the side wall of the air filter (1) where the opening is located. The placement frame (3) is fixedly connected to the side of the first connecting frame (2) away from the air filter (1). The second connecting frame (4) is fixedly connected to the side of the placement frame (3) away from the first connecting frame (2). The inner wall of the placement frame (3) has multiple strip-shaped openings. A rectangular frame (6) is inserted into the inner wall of the placement frame (3) at the strip-shaped openings. A filter screen (7) is provided on the inner wall of the rectangular frame (6). The top of the rectangular frame (6) is fixedly... A connecting plate (8) is fixedly connected to the inner wall of the placement frame (3) located at the strip-shaped opening. A rectangular groove is opened on the inner wall of the connecting plate (8). A rotating cylinder (19) is rotatably connected to the inner wall of the rectangular groove. A locking block (20) is fixedly connected to the cylinder wall of the rotating cylinder (19). A limiting groove is opened on the inner wall of the placement frame (3). An opening is opened on the side wall of the rectangular groove of the connecting plate (8). The locking block (20) extends through the opening to the inside of the limiting groove of the placement frame (3). An adjustment mechanism is provided on the top inner wall of the connecting plate (8).

2. A detachable air filter according to claim 1, characterized in that: A protective cover plate (5) is attached to the side wall of the second connecting frame (4), and the inner wall of the protective cover plate (5) has multiple through holes.

3. A detachable air filter according to claim 1, characterized in that: The bottom of the rectangular frame (6) is fixedly connected to a plug (9), and the bottom inner wall of the placement frame (3) is provided with a slot, and the plug (9) is inserted into the inner wall of the slot.

4. A detachable air filter according to claim 1, characterized in that: A plug plate (10) is fixedly connected to the side wall of the first connecting frame (2). The inner wall of the air filter (1) is provided with an installation groove. The plug plate (10) is inserted into the inner wall of the installation groove. The inner wall of the plug plate (10) is provided with a rectangular groove. The plug plate (10) is fixedly connected to the inner wall of the rectangular groove with a fixing rod (11). A clamping plate (12) and a torsion spring (13) are movably sleeved on the rod wall of the fixing rod (11). One end of the torsion spring (13) is fixedly connected to the inner wall of the clamping plate (12). The other end of the torsion spring (13) is fixedly connected to the inner wall of the plug plate (10). The inner wall of the air filter (1) is provided with a slot. The clamping plate (12) is clamped to the inner wall of the air filter (1) located in the slot.

5. A detachable air filter according to claim 4, characterized in that: A pull rope (14) is fixedly connected to the side wall of the card plate (12). A cavity is opened in the inner wall of the first connecting frame (2). A rotating rod (15) is rotatably provided in the inner wall of the cavity. One end of the pull rope (14) away from the card plate (12) is fixedly connected to the rod wall of the rotating rod (15). A rotating ring (16) is fixedly connected to the top end of the rotating rod (15).

6. A detachable air filter according to claim 4, characterized in that: The end of the card plate (12) is provided with a rubber pad (17), and the air filter (1) is fixedly connected to the inner wall of the card slot with an anti-slip pad (18). The rubber pad (17) is pressed and set on the side wall of the anti-slip pad (18).

7. A detachable air filter according to claim 1, characterized in that: The adjustment mechanism includes a pressure rod (21), a paddle (22), a handle (23), and a spring (24). The inner wall of the connecting plate (8) has a notch. The rod wall of the pressure rod (21) extends through the notch to the inner wall of the rectangular groove of the connecting plate (8). The inner wall of the connecting plate (8) in the notch has a cross groove. The paddle (22) is fixedly connected to the rod wall of the pressure rod (21). The paddle (22) is slidably disposed on the inner wall of the cross groove of the connecting plate (8). The inner wall of the top of the rotating cylinder (19) has a rectangular groove. The paddle (22) extends to the inner wall of the rectangular groove. The bottom of the spring (24) is fixedly connected to the inner wall of the notch of the connecting plate (8). The top of the spring (24) is pressed against the bottom of the handle (23).

8. A detachable air filter according to claim 2, characterized in that: A metal rod (25) is fixedly connected to the side wall of the protective cover (5). A slot is provided on the inner wall of the second connecting frame (4). A magnetic block (26) is fixedly connected to the inner wall of the slot of the second connecting frame (4). The metal rod (25) and the magnetic block (26) are attracted to each other.

9. A detachable air filter according to claim 2, characterized in that: A pull ring (27) is fixedly connected to the side wall of the protective cover (5).

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