Combined air purification filter

Abstract

The utility model relates to the technical field of air purification filters, and discloses a combined air purification filter. Comprising a box body, an air inlet pipe and an air outlet pipe are fixedly connected to the inner wall of the box body, a pretreatment filter screen is fixedly connected to the inner wall of the air inlet pipe, a fixing frame is fixedly connected to the inner wall of the box body, and a plurality of connecting frames are inserted into the inner wall of the fixing frame; and a fiber filter screen, a biological filter screen, an activated carbon filter screen and an HEPA filter screen are arranged on the inner walls of the multiple connecting frames correspondingly, an opening is formed in the inner wall of the top end of the box body, and a cover plate is inserted in the position, located on the inner wall of the opening, of the box body. The fiber filter screen, the biological filter screen, the activated carbon filter screen and the HEPA filter screen which are respectively arranged in the plurality of connecting frames are used for carrying out multi-layer filtering, so that the air filtering effect can be ensured, gas can be discharged through the gas outlet pipe, and the gas can be pretreated through the pretreatment filter screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification filter technical field especially relates to a combined air purification filter. BACKGROUND

[0002] Air purification filter is used for cleaning air, removing air pollutants and harmful substances equipment or component, they are usually applied to air purifier, air conditioning system and ventilation equipment, when selecting air purification filter, the type of filter, filtering efficiency, applicable pollutants, service life and replacement frequency and other factors need to be considered. Regularly replacing the filter can ensure the effectiveness of the air purifier and air quality.

[0003] In the prior art, multiple layers of filter materials are arranged in the combined air purification filter, and the service life of different materials is different. After long-term use of the combined air purification filter, it is not convenient to disassemble and replace the filter materials in the equipment according to the use requirements, which affects the convenience of subsequent maintenance. Therefore, the utility model designs a combined air purification filter. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of combined air purification filters to solve the problem that the inside of combined air purification filter in prior art can be arranged multiple layers of filter materials, and the service life of different materials is different, after long-term use of the combined air purification filter, it is not convenient to disassemble and replace the filter materials in the equipment according to the use requirements, which affects the convenience of subsequent maintenance.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A combined air purification filter, comprising a box body, the inner wall of the box body is fixedly connected with an air inlet pipe and an air outlet pipe, the inner wall of the air inlet pipe is fixedly connected with a pretreatment filter screen, the inner wall of the box body is fixedly connected with a fixed frame, the inner wall of the fixed frame is inserted with a plurality of connecting frames, the inner walls of the plurality of connecting frames are respectively provided with fiber filter screens, biological filter screens, activated carbon filter screens and HEPA filter screens, an opening is formed in the top inner wall of the box body, a cover plate is inserted in the inner wall of the opening of the box body, a handle is fixedly connected to the top end of the cover plate, a plurality of insertion slots are formed in the top inner walls of the plurality of connecting frames, a plurality of insertion blocks are fixedly connected to the bottom of the cover plate, and the plurality of insertion blocks are respectively inserted into the inner walls of the plurality of connecting frames in the insertion slots.

[0007] Preferably, the top end inner wall of the box is fixedly connected with a gas cylinder, the inner wall of the box is fixedly connected with a plurality of fixed rods, a flow guide plate is movably arranged on the rod wall of the plurality of fixed rods, the piston rod end of the gas cylinder is fixedly connected with a connecting rod, a strip-shaped opening is formed in the inner wall of each of the plurality of flow guide plates, a plurality of push rods are fixedly connected to the rod wall of the connecting rod, and the rod walls of the plurality of push rods are slidably arranged on the inner walls of the strip-shaped openings.

[0008] Preferably, the bottom of each of the plurality of connecting frames is fixedly connected with a positioning block, a plurality of positioning grooves are formed in the bottom inner wall of the fixed frame, the positioning blocks are insertedly arranged on the inner walls of the positioning grooves, and the bottom of the connecting frame is fixedly connected with a sealing strip, which is tightly arranged on the inner wall of the fixed frame.

[0009] Preferably, a rectangular groove is formed in the inner wall of the insertion block, a fixed shaft is fixedly connected to the inner wall of the insertion block in the rectangular groove, a clamping plate and a torsional spring are movably arranged on the rod wall of the fixed shaft, one end of the torsional spring is fixedly connected to the inner wall of the clamping plate, the other end of the torsional spring is fixedly connected to the inner wall of the insertion block, a fan-shaped clamping groove is formed in the inner wall of the insertion slot of the connecting frame, and the clamping plate is tightly arranged in the inner wall of the fan-shaped clamping groove.

[0010] Preferably, a cavity is formed in the top end inner wall of the cover plate, a threaded ring is fixedly connected to the inner wall of the cavity of the cover plate, a screw rod is threadedly connected to the inner wall of the threaded ring, a connecting ring is rotatably connected to the bottom end rod wall of the screw rod, a pull rope is fixedly connected to the side wall of the connecting ring, and the pull rope extends to the inside of the rectangular groove of the insertion block and is fixedly connected with the clamping plate.

[0011] Preferably, the top end rod wall of the screw rod extends above the cover plate and is fixedly connected with a rotating ring.

[0012] Compared with the prior art, the combined air purification filter has the following beneficial effects:

[0013] 1. The combined air purification filter can guarantee the filtering effect of air through multi-layer filtering of the fiber filter screen, the biological filter screen, the activated carbon filter screen and the HEPA filter screen arranged in the plurality of connecting frames, and the gas can be discharged through the gas outlet pipe, and the pretreatment filter screen can pretreat the gas.

[0014] 2. The combined air purification filter can connect the cover plate and the connecting frame by inserting the insertion block of the cover plate into the inner wall of the insertion slot of the connecting frame, and after the insertion block is inserted into the inner wall of the insertion slot, the torsional spring can push the clamping plate to be tightly arranged in the inner wall of the fan-shaped clamping groove, so that the stability of the connection between the cover plate and the connecting frame is improved.

[0015] 3、The combined air purification filter, through the piston rod movement of the air cylinder, the connecting rod can be driven to move down, the guide plate can be driven to swing along the rod wall of the fixed rod by the shift rod, the flow direction of the gas can be adjusted, so that the gas can flow more uniformly through the fiber filter screen, the biological filter screen, the activated carbon filter screen and the HEPA filter screen for filtering treatment.

[0016] 4、The combined air purification filter, by rotating the rotating ring, the screw rod can be driven to rotate along the inner wall of the threaded ring, the connecting ring can be moved, the pull rope can be moved, the clamping plate can be retracted into the rectangular slot, and the connecting frame and the internal filter material that do not need to be replaced can be retained in the fixed frame when the handle is subsequently pulled to drive the cover plate to move upward, the weight of pulling the cover plate is reduced, and the convenience of subsequent maintenance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structural diagram of a combined air purification filter is proposed in the utility model;

[0018] Figure 2 For Figure 1 An enlarged schematic view of the structure of the partial A part in the middle;

[0019] Figure 3 For Figure 2 A structural perspective view of the connecting ring.

[0020] In the drawing: 1 box, 2 air inlet pipe, 3 pretreatment filter screen, 4 air outlet pipe, 5 air cylinder, 6 fixed rod, 7 guide plate, 8 connecting rod, 9 shift rod, 10 fixed frame, 11 connecting frame, 12 fiber filter screen, 13 biological filter screen, 14 activated carbon filter screen, 15 HEPA filter screen, 16 positioning block, 17 sealing strip, 18 cover plate, 19 handle, 20 plug-in block, 21 fixed shaft, 22 clamping plate, 23 torsional spring, 24 pull rope, 25 threaded ring, 26 screw rod, 27 rotating ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Embodiment one

[0023] Referring to Figures 1-3The utility model provides a combined air purification filter, including the box 1, the inner wall fixed connection of box 1 has the air inlet pipe 2 and the air outlet pipe 4, the inner wall fixed connection of air inlet pipe 2 has the pretreatment filter screen 3, the inner wall fixed connection of box 1 has the fixed frame 10, the inner wall of fixed frame 10 is inserted and is equipped with a plurality of connecting frame 11, the inner wall of a plurality of connecting frame 11 is equipped with fiber filter screen 12, biological filter screen 13, activated carbon filter screen 14 and HEPA filter screen 15 respectively, the top inner wall of box 1 is opened and has an opening, the inner wall of box 1 is inserted and is equipped with the cover plate 18 at the opening, the top fixed connection of cover plate 18 has the handle 19, the top inner wall of a plurality of connecting frame 11 is opened and has the slot respectively, the bottom fixed connection of cover plate 18 has a plurality of insertion block 20, a plurality of insertion block 20 are inserted and set up respectively in the inner wall of a plurality of connecting frame 11 at the slot.

[0024] The bottom of a plurality of connecting frame 11 is fixedly connected with a positioning block 16, a plurality of positioning grooves are formed in the bottom inner wall of the fixed frame 10, the positioning block 16 is inserted and arranged in the inner wall of the positioning groove, the bottom of the connecting frame 11 is fixedly connected with a sealing strip 17, and the sealing strip 17 is tightly arranged on the inner wall of the fixed frame 10.

[0025] A rectangular slot is formed in the inner wall of the insertion block 20, a fixed shaft 21 is fixedly connected to the inner wall of the rectangular slot of the insertion block 20, a clamping plate 22 and a torsional spring 23 are movably sleeved on the rod wall of the fixed shaft 21, one end of the torsional spring 23 is fixedly connected to the inner wall of the clamping plate 22, the other end of the torsional spring 23 is fixedly connected to the inner wall of the insertion block 20, a fan-shaped clamping slot is formed in the inner wall of the connecting frame 11 at the slot, and the clamping plate 22 is tightly arranged in the inner wall of the fan-shaped clamping slot.

[0026] In use, gas enters the inside of the box 1 through the air inlet pipe 2, and then passes through the fiber filter screen 12, the biological filter screen 13, the activated carbon filter screen 14 and the HEPA filter screen 15 arranged in the plurality of connecting frames 11 respectively for multi-layer filtration, so as to ensure the filtration effect of the air, and the gas can be discharged through the air outlet pipe 4. The pretreatment filter screen 3 can pretreat the gas. The cover plate 18 is inserted and arranged in the inner wall of the connecting frame 11 at the slot through the insertion block 20 at the bottom, so that the cover plate 18 is connected with the connecting frame 11. After the insertion block 20 is inserted and arranged in the inner wall of the slot, the torsional spring 23 can push the clamping plate 22 to be tightly arranged in the inner wall of the fan-shaped clamping slot, so as to improve the stability of the connection between the cover plate 18 and the connecting frame 11.

[0027] After the connecting frame 11 extends to the inside of the fixed frame 10, the positioning block 16 extends to the inner wall of the positioning groove, so as to improve the stability of the installation of the connecting frame 11. The sealing strip 17 can improve the tightness of the connecting frame 11 in the fixed frame 10.

[0028] Embodiment two

[0029] Refer to Figures 1-3The inner wall of the top end of the box body 1 is fixedly connected with a gas cylinder 5, the inner wall of the box body 1 is fixedly connected with a plurality of fixed rods 6, the rod wall of the plurality of fixed rods 6 is movably sleeved with a flow guide plate 7, the piston rod end of the gas cylinder 5 is fixedly connected with a connecting rod 8, the inner wall of the plurality of flow guide plates 7 is respectively provided with a strip-shaped opening, the rod wall of the connecting rod 8 is fixedly connected with a plurality of push rods 9, and the rod wall of the plurality of push rods 9 is respectively slidably arranged on the inner wall of the strip-shaped opening.

[0030] The piston rod of the gas cylinder 5 can drive the connecting rod 8 to move downwards, the flow guide plate 7 can be pushed to swing along the rod wall of the fixed rod 6 through the push rod 9, the flow direction of the gas can be adjusted, and the gas can flow more uniformly through the fiber filter screen 12, the biological filter screen 13, the activated carbon filter screen 14 and the HEPA filter screen 15 for filtering treatment.

[0031] Example three

[0032] With reference to Figures 1-3 The inner wall of the top end of the cover plate 18 is provided with a cavity, the inner wall of the cavity is fixedly connected with a threaded ring 25, the inner wall of the threaded ring 25 is threadedly connected with a screw rod 26, the bottom end of the rod wall of the screw rod 26 is rotatably connected with a connecting ring 28, the side wall of the connecting ring 28 is fixedly connected with a pull rope 24, the pull rope 24 extends to the inside of the rectangular groove and is fixedly connected with the clamping plate 22, and the top end of the rod wall of the screw rod 26 extends to the upper side of the cover plate 18 and is fixedly connected with a rotating ring 27.

[0033] Rotating the rotating ring 27 can drive the screw rod 26 to rotate along the inner wall of the threaded ring 25, the connecting ring 28 can be pulled to move, the pull rope 24 can be pulled to move, the clamping plate 22 can be retracted into the rectangular groove, the connecting frame 11 and the filter material in the inside which do not need to be replaced can be retained in the inside of the fixed frame 10 when the cover plate 18 is pulled upwards by the handle 19 in the subsequent process, the weight of pulling the cover plate 18 can be reduced, and the convenience of subsequent maintenance can be improved.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A combined air purification filter comprising a housing (1), characterized in that: The inner wall of the box (1) is fixedly connected with an air inlet pipe (2) and an air outlet pipe (4), the inner wall of the air inlet pipe (2) is fixedly connected with a pretreatment filter screen (3), the inner wall of the box (1) is fixedly connected with a fixed frame (10), a plurality of connection frames (11) are insertedly arranged on the inner wall of the fixed frame (10), the inner walls of the plurality of connection frames (11) are respectively provided with a fiber filter screen (12), a biological filter screen (13), an activated carbon filter screen (14) and a HEPA filter screen (15), the top end inner wall of the box (1) is provided with an opening, the inner wall of the box (1) at the opening is insertedly provided with a cover plate (18), the top end of the cover plate (18) is fixedly connected with a handle (19), the top end inner walls of the plurality of connection frames (11) are respectively provided with insertion slots, the bottom of the cover plate (18) is fixedly connected with a plurality of insertion blocks (20), and the plurality of insertion blocks (20) are respectively insertedly arranged on the inner walls of the plurality of connection frames (11) at the insertion slots.

2. A combined air cleaning filter according to claim 1, characterized in that: The top end inner wall of the box (1) is fixedly connected with an air cylinder (5), the inner wall of the box (1) is fixedly connected with a plurality of fixed rods (6), the rod walls of the plurality of fixed rods (6) are movably sleeved with guide plates (7), the piston rod end of the air cylinder (5) is fixedly connected with a connecting rod (8), the inner walls of the plurality of guide plates (7) are respectively provided with strip-shaped openings, and the rod wall of the connecting rod (8) is fixedly connected with a plurality of push rods (9). The rod walls of the plurality of push rods (9) are respectively slidably arranged on the inner walls of the strip-shaped openings.

3. A combined air cleaning filter according to claim 1, characterized in that: The bottoms of the plurality of connection frames (11) are respectively fixedly connected with positioning blocks (16), the bottom end inner wall of the fixed frame (10) is provided with a plurality of positioning grooves, the positioning blocks (16) are insertedly arranged on the inner walls of the positioning grooves, and the bottoms of the connection frames (11) are fixedly connected with sealing strips (17).

4. The combined air cleaning filter according to claim 1, wherein: The inner wall of the insertion block (20) is provided with a rectangular groove, the insertion block (20) is fixedly connected with a fixed shaft (21) at the inner wall of the rectangular groove, the rod wall of the fixed shaft (21) is movably sleeved with a clamping plate (22) and a torsional spring (23), one end of the torsional spring (23) is fixedly connected to the inner wall of the clamping plate (22), the other end of the torsional spring (23) is fixedly connected to the inner wall of the insertion block (20), and the inner wall of the connection frame (11) at the insertion slot is provided with a fan-shaped clamping groove, and the clamping plate (22) is clampedly arranged on the inner wall of the fan-shaped clamping groove.

5. The combined air cleaning filter according to claim 1, wherein: The top end inner wall of the cover plate (18) is provided with a cavity, the inner wall of the cover plate (18) at the cavity is fixedly connected with a threaded ring (25), the inner wall of the threaded ring (25) is threadedly connected with a screw rod (26), the bottom end rod wall of the screw rod (26) is rotatably connected with a connecting ring (28), the side wall of the connecting ring (28) is fixedly connected with a pull rope (24), and the pull rope (24) extends to the inside of the rectangular groove of the insertion block (20) and is fixedly connected with the clamping plate (22).

6. A combined air cleaning filter according to claim 5, characterized in that: The top end rod wall of the screw rod (26) extends above the cover plate (18) and is fixedly connected with a rotating ring (27).

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