Air purification device with filter screen convenient to replace

Abstract

The utility model belongs to the technical field of air purification, and particularly relates to an air purification device with a filter screen convenient to replace, which comprises an air purification device body, a fan is fixedly communicated with the top of the air purification device body, a filter screen box is slidably arranged in the air purification device body, an activated carbon screen is slidably sleeved in the filter screen box, and the activated carbon screen is arranged in the air purification device body. One side of the filter screen box is detachably and fixedly connected with a mounting plate, a dismounting and replacing mechanism is arranged between the mounting plate and the air purification device body, and a connecting mechanism is arranged between the filter screen box and the mounting plate. The filter screen box is reasonable in structural design, under the action of the dismounting and replacing mechanism and the connecting mechanism, the filter screen box and the activated carbon screen can be quickly mounted and dismounted, cleaning and replacing of the filter screen box and the activated carbon screen are facilitated, and meanwhile during mounting, through clamping connection of a limiting rod and an arc-shaped groove, mounting is more stable, and reliability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to an air purification device which is convenient for replacing a filter screen. Background Art

[0002] With the continuous development of modernization, people's requirements for living environment and quality are also constantly improving, while the pollution brought by modern technology has not decreased. In order to achieve the air environment required by people, people have produced a device that can remove impurities and purify polluted air. The internal structure of the device is to filter the air through the filter to achieve the purpose of purification. At present, the society's demand for air purification devices that are easy to replace filters basically meets people's needs, but there are still some problems.

[0003] The air purification device in the related art can filter and purify the air very well, but after the air purification device has been working for a long time, a large amount of dust will accumulate in the filter screen inside it, reducing the effect of air filtration and purification. In addition, the filter screen is generally installed with bolts, which makes it troublesome and inconvenient to disassemble, clean and replace it later. Therefore, we propose an air purification device that is easy to replace the filter screen to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve the above-mentioned shortcomings and to propose an air purification device that is easy to replace the filter.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An air purification device that is easy to replace filters includes an air purification device body, the top of the air purification device body is fixedly connected to a fan, a filter box is slidably arranged in the air purification device body, an activated carbon net is slidably sleeved in the filter box, one side of the filter box is detachably fixedly connected to a mounting plate, a disassembly and replacement mechanism is provided between the mounting plate and the air purification device body, and a connecting mechanism is provided between the filter box and the mounting plate.

[0007] As a preferred embodiment of the present invention, an installation opening is provided on one side of the air purification device body, and the installation plate is slidably mounted in the installation opening, and three slots are provided on the top inner wall and the bottom inner wall of the installation opening, a cavity is provided in the installation plate, and a slide groove is provided on the inner wall of one side of the cavity, and the disassembly and replacement mechanism includes two spring ones fixedly connected to the inner wall of one side of the cavity, and two triangular plates slidably mounted in the slide groove, one end of the two spring ones is fixedly connected to the same extrusion plate, and the extrusion plate is movably abutted against the inclined surfaces of the two triangular plates, and the sides of the two triangular plates away from each other are fixedly connected with three clamping rods and three springs two, and the ends of the six springs two away from each other are respectively fixedly connected to the upper and lower inner walls of the slide groove, and the six clamping rods are respectively movably clamped in the corresponding slots.

[0008] As a preferred embodiment of the present invention, the six springs 2 are respectively sleeved on the outer sides of the corresponding clamping rods.

[0009] As a preferred embodiment of the present invention, one side of the extrusion plate is rotatably connected to a pull rod, and a guide cylinder is fixedly connected to the inner wall of one side of the cavity. The top and bottom of the pull rod are fixedly connected to a limiting rod, and limiting grooves are provided on the top inner wall and the bottom inner wall of the guide cylinder. Arc grooves are provided on the inner walls on both sides of the two limiting grooves, and two limiting rods are movably engaged in the corresponding arc grooves, and the limiting grooves correspond to the limiting rods.

[0010] As a preferred embodiment of the present invention, one end of the pull rod extends to the outside of the mounting plate and is fixedly connected to the pull plate.

[0011] As a preferred embodiment of the present invention, the connecting mechanism includes two ear plates and two plug-in plates fixedly connected to one side of the mounting plate, the two ear plates are respectively fixedly connected to the top and bottom of the filter box, a plug-in interface is provided on one side of the ear plate, the two plug-in plates are movably plugged into the corresponding plug-in interfaces, a through groove is provided on the top of the plug-in plate, a spring three is provided in the through groove, the top and bottom ends of the spring three are fixedly connected to a movable plate, the two movable plates are fixedly connected to a fixed block on the side away from each other, and the two fixed blocks are movably abutted against one side of the ear plate.

[0012] As a preferred embodiment of the present invention, the four movable plates are respectively slidably mounted in the corresponding through grooves.

[0013] As a preferred embodiment of the present invention, an upper dustproof net is fixedly connected to the top of the fan, and lower dustproof nets are fixedly connected to the bottoms of both sides of the air purification device body.

[0014] When the filter screen box and the activated carbon screen need to be disassembled and replaced, the pull plate and the pull rod are rotated so that the limit rod is rotated to be aligned with the limit groove, and the pull rod is not fixed to the left and right positions. At this time, the pull rod and the extrusion plate are pulled outward and the spring is squeezed. When the pull rod moves to the two arc grooves on the right side, the pull rod is reversed so that the two limit rods are rotated into the corresponding arc grooves, and the pull rod and the extrusion plate can be fixed to the left and right positions. Because there is no extrusion of the extrusion plate, under the elastic force of the spring two, the two triangular plates and the six clamping rods will approach each other and disengage from the clamping grooves, and the mounting plate is not fixed. At this time, the mounting plate and the filter screen box can be pulled out and removed, and then the two fixing blocks are pressed. The two fixing blocks will retract into the through grooves and will not abut against the ear plates, and the ear plates are not limited. At this time, the filter screen box and the ear plates can be removed from the plug-in plate and the mounting plate, and then the activated carbon screen can be taken out, and the filter screen box and the activated carbon screen can be disassembled, cleaned and replaced.

[0015] In the utility model, an air purification device that is easy to replace the filter is described. When installing, put the activated carbon mesh into the filter box, press the ear plate to the left, so that the fixed block is automatically compressed back into the through groove and squeezes the spring three. At this time, the plug-in plate is inserted into the plug-in port. When the filter box abuts against the mounting plate, the fixed block is just not squeezed by the ear plate. At this time, under the elastic force of the spring three, the two fixed blocks move outward and movably abut against the left side of the ear plate, so that the ear plate and the filter box can be installed and fixed on the mounting plate, and then the filter box and the mounting plate are inserted. Enter the installation opening and follow the above steps to rotate the limit rod to align with the limit slot, and then the pull rod will not be limited to the left and right. At this time, under the elastic force of spring 1 and the push of manpower, the extrusion plate and the pull rod move to the left, and the extrusion plate squeezes the two triangular plates to move outward. The two triangular plates drive the six clamping rods to move outward and are respectively clamped in the corresponding clamping slots, and then the installation plate and the filter box can be installed and fixed in the air purification device body. Finally, rotate the pull rod in the opposite direction so that the two limit rods are screwed into the two arc grooves on the left.

[0016] The utility model has a reasonable structural design. Through the action of the disassembly and replacement mechanism and the connecting mechanism, it is not only conducive to the rapid installation and disassembly of the filter box and the activated carbon net, but also conducive to the cleaning and replacement of the filter box and the activated carbon net. At the same time, during installation, the limit rod and the arc groove are clamped together, making the installation more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of an air purification device that is easy to replace the filter proposed by the utility model;

[0018] Figure 2A three-dimensional diagram of an air purification device body and a mounting port of an air purification device that facilitates filter replacement proposed by the present invention;

[0019] Figure 3 A three-dimensional diagram of a filter box and a mounting plate of an air purification device for easy filter replacement proposed by the present invention;

[0020] Figure 4 This is a sectional perspective view of a filter box and a mounting plate of an air purification device for easy filter replacement proposed by the present invention;

[0021] Figure 5 for Figure 4 Schematic diagram of the structure of part A;

[0022] Figure 6 This is a side sectional view of a guide tube and a pull rod of an air purification device for facilitating filter replacement proposed by the present invention;

[0023] Figure 7 for Figure 4 Schematic diagram of the structure of part B.

[0024] In the figure: 1. Air purification device body; 2. Fan; 3. Upper dust screen; 4. Lower dust screen; 5. Mounting plate; 6. Filter box; 7. Activated carbon screen; 8. Disassembly and replacement mechanism; 9. Connecting mechanism; 801. Mounting port; 802. Slot; 803. Pull rod; 804. Pull plate; 805. Clamping rod; 806. Cavity; 807. Spring 2; 808. Slide groove; 809. Triangular plate; 810. Extrusion plate; 811. Spring 1; 812. Guide cylinder; 813. Limit rod; 814. Limit groove; 815. Arc groove; 91. Ear plate; 92. Plug plate; 93. Plug port; 94. Through groove; 95. Spring 3; 96. Moving plate; 97. Fixed block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] Reference Figure 1-7 An air purification device that is easy to replace the filter includes an air purification device body 1, the top of the air purification device body 1 is fixedly connected to a fan 2, a filter box 6 is slidably arranged in the air purification device body 1, an activated carbon net 7 is slidably sleeved in the filter box 6, one side of the filter box 6 is detachably fixedly connected to a mounting plate 5, a disassembly and replacement mechanism 8 is provided between the mounting plate 5 and the air purification device body 1, and a connecting mechanism 9 is provided between the filter box 6 and the mounting plate 5.

[0027] Further, refer to Figure 1-6 A mounting port 801 is provided on one side of the air purification device body 1, and the mounting plate 5 is slidably mounted in the mounting port 801. Three slots 802 are provided on the top inner wall and the bottom inner wall of the mounting port 801. A cavity 806 is provided in the mounting plate 5, and a slide groove 808 is provided on the inner wall of one side of the cavity 806. The disassembly and replacement mechanism 8 includes two springs 811 fixedly connected to the inner wall of one side of the cavity 806, and two triangular plates 809 slidably mounted in the slide groove 808. One end of the two springs 811 is fixedly connected to the same extrusion plate 810, and the extrusion plate 810 is movably abutted on the inclined surfaces of the two triangular plates 809. The two triangular plates 809 are fixedly connected to three card rods on the sides away from each other. 805 and three spring twos 807, the ends of the six spring twos 807 that are away from each other are respectively fixedly connected to the upper and lower inner walls of the slide groove 808, and the six clamping rods 805 are respectively movably clamped in the corresponding clamping grooves 802. One side of the extrusion plate 810 is rotatably connected to the pull rod 803, and a guide cylinder 812 is fixedly connected to the inner wall of one side of the cavity 806. The top and bottom of the pull rod 803 are fixedly connected to the limiting rod 813, and limiting grooves 814 are provided on the top inner wall and the bottom inner wall of the guide cylinder 812. Arc grooves 815 are provided on the inner walls on both sides of the two limiting grooves 814. The two limiting rods 813 are respectively movably clamped in the corresponding arc grooves 815, and the limiting grooves 814 correspond to the limiting rods 813.

[0028] The above solution is adopted: rotate the pull plate 804 and the pull rod 803 so that the limit rod 813 rotates to align with the limit groove 814, and then the pull rod 803 is not fixed to the left and right. At this time, pull the pull rod 803 and the extrusion plate 810 are pulled outward and the spring 1 811 is squeezed. When it moves to the two arc grooves 815 on the right, reverse the pull rod 803 so that the two limit rods 813 rotate to the corresponding arc grooves 815, and then the pull rod 803 and the extrusion plate 810 can be fixed to the left and right. Because there is no extrusion plate 810, under the elastic force of the spring 2 807, the two triangular plates 809 and the six clamping rods 805 will approach each other and disengage from the clamping groove 802, and then the mounting plate 5 is not fixed. At this time, the mounting plate 5 and the filter box 6 can be pulled out and removed. When installing, rotate the pull plate 804 and the pull rod 803 so that the limit rod 813 rotates to align with the limit groove 814, and then the pull rod 803 is not fixed to the left and right. At this time, pull the pull rod 803 and the extrusion plate 810 are pulled outward and the spring 1 811 is squeezed. When it moves to the two arc grooves 815 on the right, reverse the pull rod 803 so that the two limit rods 813 rotate to the corresponding arc grooves 815, and then the pull rod 803 and the extrusion plate 810 can be fixed to the left and right. Because there is no extrusion plate 810, at this time, under the elastic force of spring 2 807, the two triangular plates 809 and the six clamping rods 805 will approach each other and disengage from the clamping groove 802, and then the mounting plate 5 is not fixed. At this time, the mounting plate 5 and the filter box 6 can be pulled out and removed.

[0029] Furthermore, the six second springs 807 are respectively sleeved on the outer sides of the corresponding clamping rods 805, so as to facilitate the guidance of the second springs 807 and make their movement more stable.

[0030] Furthermore, one end of the pull rod 803 extends to the outside of the mounting plate 5 and is fixedly connected to the pull plate 804, which is convenient for pulling the pull rod 803 and for rotating the pull rod 803.

[0031] Further, refer to Figure 3 、 Figure 4 and Figure 7 The connecting mechanism 9 includes two ear plates 91 and two plug-in plates 92 fixedly connected to one side of the mounting plate 5. The two ear plates 91 are respectively fixedly connected to the top and bottom of the filter box 6. A plug-in port 93 is provided on one side of the ear plate 91. The two plug-in plates 92 are respectively movably plugged into the corresponding plug-in ports 93. A through slot 94 is provided on the top of the plug-in plate 92. A spring three 95 is provided in the through slot 94. The top and bottom ends of the spring three 95 are fixedly connected to a movable plate 96. The two movable plates 96 are fixedly connected to a fixed block 97 on the side away from each other. The two fixed blocks 97 are movably abutted against one side of the ear plate 91.

[0032] When the filter box 6 and the mounting plate 5 are in contact with each other, the fixing blocks 97 are not squeezed by the ear plates 91 at this time. At this time, under the elastic force of the spring three 95, the two fixing blocks 97 move outward and movably abut against the left side of the ear plates 91, thereby fixing the ear plates 91 and the filter box 6 on the mounting plate 5.

[0033] Furthermore, the four movable plates 96 are respectively slidably mounted in the corresponding through slots 94 , which helps guide the movable plates 96 and makes their movement more stable.

[0034] Furthermore, an upper dustproof net 3 is fixedly connected to the top of the fan 2, and lower dustproof nets 4 are fixedly connected to the bottoms of both sides of the air purification device body 1, which is beneficial to dust prevention.

[0035] In the present invention, when in use, when it is necessary to disassemble and replace the filter box 6 and the activated carbon screen 7, first rotate the pull plate 804 and the pull rod 803, so that the limit rod 813 is rotated to align with the limit groove 814, and then the pull rod 803 is not fixed to the left and right. At this time, the pull rod 803 and the extrusion plate 810 are pulled outward and the spring 1 811 is squeezed. When it moves to the two arc grooves 815 on the right, the pull rod 803 is reversed, so that the two limit rods 813 are rotated to the corresponding arc grooves 815, and then the pull rod 803 and the extrusion plate 810 can be fixed to the left and right. 0 is squeezed, at this time, under the elastic force of spring 2 807, the two triangular plates 809 and the six clamping rods 805 will approach each other and disengage from the clamping slot 802, and then the mounting plate 5 will not be fixed. At this time, the mounting plate 5 and the filter box 6 can be pulled outward and removed, and then the two fixing blocks 97 are pressed. The two fixing blocks 97 will retract into the through slot 94 without abutting against the ear plate 91, and then the ear plate 91 will not be limited. At this time, the filter box 6 and the ear plate 91 can be removed from the plug-in plate 92 and the mounting plate 5, and then the activated carbon net 7 can be taken out, and then the filter box 6 and the activated carbon net 7 can be disassembled, cleaned and replaced.

[0036] When installing, put the activated carbon screen 7 into the filter box 6, press the ear plate 91 to the left, so that the fixed block 97 is automatically compressed back into the through groove 94 and squeezes the spring three 95. At this time, the plug-in plate 92 is inserted into the plug-in port 93. When the filter box 6 abuts against the mounting plate 5, the fixed block 97 is not squeezed by the ear plate 91. At this time, under the elastic force of the spring three 95, the two fixed blocks 97 move outward and movably abut against the left side of the ear plate 91, and then the ear plate 91 and the filter box 6 can be installed and fixed on the mounting plate 5. Then, the filter box 6 and the mounting plate 5 are inserted into the mounting port 801. According to the above steps, the limit rod 8 13 is rotated to be aligned with the limit groove 814, and the pull rod 803 is not limited to the left and right. At this time, under the elastic force of spring 1 811 and the push of manpower, the extrusion plate 810 and the pull rod 803 move to the left, and the extrusion plate 810 squeezes the two triangular plates 809 to move outward. The two triangular plates 809 drive the six clamping rods 805 to move outward and are respectively clamped in the corresponding clamping grooves 802, so that the mounting plate 5 and the filter box 6 can be installed and fixed in the air purification device body 1. Finally, the pull rod 803 is rotated in the opposite direction, so that the two limit rods 813 are screwed into the two arc grooves 815 on the left.

Claims

1. An air purification device that is easy to replace the filter, characterized in that: The invention comprises an air purification device body (1), wherein the top of the air purification device body (1) is fixedly connected to a fan (2), a filter box (6) is slidably provided in the air purification device body (1), an activated carbon net (7) is slidably sleeved in the filter box (6), a mounting plate (5) is detachably fixedly connected to one side of the filter box (6), a disassembly and replacement mechanism (8) is provided between the mounting plate (5) and the air purification device body (1), and a connecting mechanism (9) is provided between the filter box (6) and the mounting plate (5).

2. The air purification device with easy filter replacement according to claim 1, characterized in that: An installation opening (801) is provided on one side of the air purification device body (1), the installation plate (5) is slidably sleeved in the installation opening (801), three slots (802) are provided on the top inner wall and the bottom inner wall of the installation opening (801), a cavity (806) is provided in the installation plate (5), a slide groove (808) is provided on the inner wall of one side of the cavity (806), and the disassembly and replacement mechanism (8) includes two springs (811) fixedly connected to the inner wall of one side of the cavity (806), and two springs (811) slidably sleeved in the slide groove (808). A triangular plate (809), one end of the two springs (811) is fixedly connected to the same extrusion plate (810), the extrusion plate (810) is movably abutted against the inclined surfaces of the two triangular plates (809), and three clamping rods (805) and three springs (807) are fixedly connected on the sides of the two triangular plates (809) away from each other, and the ends of the six springs (807) away from each other are respectively fixedly connected to the upper and lower inner walls of the slide groove (808), and the six clamping rods (805) are respectively movably clamped in the corresponding clamping grooves (802).

3. The air purification device with easy filter replacement according to claim 2, characterized in that: The six springs 2 (807) are respectively sleeved on the outer sides of the corresponding clamping rods (805).

4. The air purification device with easy filter replacement according to claim 2, characterized in that: One side of the extrusion plate (810) is rotatably connected to a pull rod (803), and a guide cylinder (812) is fixedly connected to the inner wall of one side of the cavity (806). The top and bottom of the pull rod (803) are fixedly connected to a limiting rod (813). Limiting grooves (814) are provided on the top inner wall and the bottom inner wall of the guide cylinder (812). Arc grooves (815) are provided on the inner walls on both sides of the two limiting grooves (814). The two limiting rods (813) are respectively movably engaged in the corresponding arc grooves (815), and the limiting grooves (814) correspond to the limiting rods (813).

5. The air purification device with easy filter replacement according to claim 4, characterized in that: One end of the pull rod (803) extends to the outside of the mounting plate (5) and is fixedly connected to a pull plate (804).

6. The air purification device with easy filter replacement according to claim 1, characterized in that: The connecting mechanism (9) comprises two ear plates (91) and two plug-in plates (92) fixedly connected to one side of the mounting plate (5), the two ear plates (91) are fixedly connected to the top and bottom of the filter box (6), one side of the ear plate (91) is provided with a plug-in interface (93), the two plug-in plates (92) are movably plugged into the corresponding plug-in interface (93), the top of the plug-in plate (92) is provided with a through slot (94), a spring three (95) is provided in the through slot (94), the top and bottom ends of the spring three (95) are fixedly connected to a movable plate (96), the two movable plates (96) are fixedly connected to a fixed block (97) on the side away from each other, and the two fixed blocks (97) are movably abutted against one side of the ear plate (91).

7. The air purification device with easy filter replacement according to claim 6, characterized in that: The four movable plates (96) are respectively slidably sleeved in the corresponding through slots (94).

8. The air purification device with easy filter replacement according to claim 1, characterized in that: The top of the fan (2) is fixedly connected to an upper dustproof net (3), and the bottoms of both sides of the air purification device body (1) are fixedly connected to lower dustproof nets (4).

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