Air purification device with automatic cleaning structure

Abstract

The utility model discloses an air purification device with an automatic cleaning structure, which comprises a shifting block, a first clamping block, a filter plate, a supporting plate, a cleaning brush, an extrusion block, a screw rod, a dust collection box, a first cover and a second cover, a base is fixed at the lower end of an air purification device shell, and an air inlet is formed in the front side wall of the air purification device shell; a draught fan is fixed in a rear side cavity of the inner wall of the air purification device shell, and a dustproof net is arranged on the front side of the draught fan and fixed to the inner wall of the rear side of the air purification device shell. According to the air purification device with the automatic cleaning structure, the filter plate can be conveniently clamped in the device to be kept stable, the stability of the filter screen is guaranteed, the filter plate can be conveniently taken out to be replaced, operation is easy, dust accumulated on the filter plate can be cleaned, the service life of the filter plate is guaranteed, and the air purification device is suitable for popularization and application. And dust removed from the filter plate can be collected and cannot be accumulated in the device to cause pollution.

Description

Technical Field

[0001] The utility model relates to the field of air purification devices, in particular to an air purification device with an automatic cleaning structure. Background Technique

[0002] Air purification refers to providing overall solutions for various indoor environmental problems such as disinfection, dust reduction and haze removal, removing harmful decoration residues and peculiar smells, etc., improving living and working conditions, and enhancing physical and mental health. Indoor environmental pollutants and pollution sources mainly include radioactive gases, molds, particulate matters, decoration residues, second-hand smoke, etc. Most commonly used air purification devices generally adopt methods such as exhaust structures or atomized dust reduction for the purification process to maintain the cleanliness of the air in the environment. However, during the air purification process, dust is likely to remain in the air purification device, resulting in a decrease in purification efficiency. Therefore, an air purification device with an automatic cleaning structure is needed.

[0003] It is difficult for existing air purification devices to firmly hold the filter plate in the device, which easily causes the filter plate to shake. Moreover, the filter plate is not easy to take out for replacement, and the operation is rather cumbersome. In addition, it is difficult to clean the dust accumulated on the filter plate, which easily causes the filter plate to be blocked, and it is inconvenient to collect the dust removed from the filter plate. The dust stays inside the device for a long time, causing pollution.

[0004] Therefore, we propose an air purification device with an automatic cleaning structure to facilitate solving the problems mentioned above. Content of the Utility Model

[0005] The purpose of the utility model is to provide an air purification device with an automatic cleaning structure to solve the problems in the above background technique that it is difficult to firmly hold the filter plate in the device, which easily causes the filter plate to shake, the filter plate is not easy to take out for replacement, the operation is rather cumbersome, it is difficult to clean the dust accumulated on the filter plate, which easily causes the filter plate to be blocked, it is inconvenient to collect the dust removed from the filter plate, and the dust stays inside the device for a long time, causing pollution.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An air purification device with an automatic cleaning structure, including: a dial block, a first clamping block, a filter plate, a support plate, a cleaning brush, a pressing block, a lead screw, a dust collection box, a first cover and a second cover. A base is fixed at the lower end of the outer shell of the air purification device;

[0007] It further includes:

[0008] An air inlet. The air inlet is arranged on the front side wall of the outer shell of the air purification device. A fan is fixed in the rear cavity of the inner wall of the air purification device. A dust-proof net is arranged in front of the fan, and the dust-proof net is fixed on the rear inner wall of the outer shell of the air purification device;

[0009] Pushing blocks are provided in the left and right side slots at the upper end of the outer shell of the air purification device. A first clamping block is fixed to the inner side of the pushing block, and a first ordinary spring is connected to the outer side wall of the pushing block. A filter plate is arranged in the inner cavity of the outer shell of the air purification device. First sliding blocks are fixed to both the left and right sides of the filter plate. A support plate is arranged at the lower end of the first sliding block. Second ordinary springs are connected to both the left and right sides at the lower end of the support plate, and the lower ends of the second ordinary springs are connected to the inner bottom side wall of the outer shell of the air purification device;

[0010] Cleaning brushes are arranged at the front end of the filter plate. Second sliding blocks are fixed to both the left and right sides of the cleaning brush. An extrusion block is fixed to the lower end in the middle of the cleaning brush. A limiting rod passes through the middle of the second sliding block on the left side, and a lead screw passes through the middle of the second sliding block on the right side. The top end of the lead screw is connected to the output end of the motor;

[0011] A dust collection box is provided in the lower side wall of the outer shell of the air purification device. A first cover is arranged at the top end of the dust collection box. Torsion springs are connected at the joints of the left and right ends of the outer shell of the air purification device and the dust collection box. Brackets are fixed to both the left and right sides at the lower end of the outer shell of the air purification device. A second cover is arranged inside the bracket. A second clamping block is fixed to the front end of the second cover. A third clamping block is fixed to the front side at the lower end of the outer shell of the air purification device.

[0012] Preferably, the pushing block is slidably connected to the slot at the top end of the outer shell of the air purification device, and the first clamping block is slidably connected to the slot at the top end of the outer shell of the air purification device.

[0013] Preferably, holes are evenly arranged at equal intervals on the surface of the filter plate. The first sliding block is slidably connected to the slots on both side walls of the outer shell of the air purification device, and the upper side wall of the support plate is in contact with the lower side wall of the filter plate.

[0014] Preferably, the rear side of the cleaning brush is in contact with the front side of the filter plate. The slot of the second sliding block on the left side is slidably connected to the limiting rod, and the slot of the second sliding block on the right side is threadedly connected to the lead screw. The lower end of the lead screw is rotatably connected to the slot of the outer shell of the air purification device through a bearing.

[0015] Preferably, the inner side wall of the dust collection box is rotatably connected to the first cover through a rotating shaft. One end of the torsion spring is connected to the dust collection box, and the other end of the torsion spring is connected to the first cover.

[0016] Preferably, the bracket is rotatably connected to the second cover through a bolt, and the second clamping block is snap-fitted with the third clamping block.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: The air purification device with an automatic cleaning structure can conveniently clamp the filter plate in the device to maintain stability, ensuring the stability of the filter screen. Moreover, the filter plate can be conveniently taken out for replacement, with simple operation. In addition, the dust accumulated on the filter plate can be cleaned, ensuring the service life of the filter plate. Furthermore, the dust removed from the filter plate can be collected, preventing it from accumulating inside the device and causing pollution;

[0018] 1. There are provided a toggle block, a first clamping block, a first ordinary spring, a filter plate, a first sliding block, a support plate and a second ordinary spring. The toggle block is slidably connected to the slot at the top end of the outer shell of the air purification device, and the first clamping block is also slidably connected to the slot at the top end of the outer shell of the air purification device. The surface of the filter plate is evenly provided with holes at equal intervals, and the first sliding block is slidably connected to the slots on both side walls of the outer shell of the air purification device. Moreover, the upper side wall of the support plate is in contact with the lower side wall of the filter plate. When the filter plate needs to be replaced, the toggle block is toggled to make the first clamping block slide outwards, while squeezing the first ordinary spring. When the first clamping block moves to a position where it does not obstruct the up and down movement of the first sliding block, the filter plate can be placed into the interior of the outer shell of the air purification device. The lower end of the filter plate fits on the upper side of the support plate and squeezes the second ordinary spring. After releasing the force on the toggle block, due to the characteristics of the first ordinary spring, the first clamping block is driven to reset, clamping the filter plate inside the outer shell of the air purification device. If the filter plate needs to be taken out, the toggle block is similarly toggled, and the characteristics of the second ordinary spring drive the support plate to reset, then the filter plate can be ejected to complete the replacement, with very convenient and fast operation;

[0019] 2. There are provided a cleaning brush, a second sliding block, a limiting rod, a lead screw and a motor. The rear side of the cleaning brush is in contact with the front side of the filter plate. The slot of the second sliding block on the left is slidably connected to the limiting rod, and the slot of the second sliding block on the right is threadedly connected to the lead screw. Moreover, the lower end of the lead screw is rotatably connected to the slot of the outer shell of the air purification device through a bearing. When dust has accumulated on the filter plate, the motor is started to drive the lead screw to rotate. Due to the characteristics of the threaded connection and the limitation of the limiting rod, the second sliding block can drive the cleaning brush to move up and down, and the rear end of the cleaning brush can clean the filter plate, ensuring that the filter plate can maintain good adsorption performance;

[0020] 3. An extrusion block, a dust collection box, a first lid, a torsion spring, a bracket, a second lid, a second latch and a third latch are provided. The inner side wall of the dust collection box and the first lid are rotationally connected through a rotating shaft. One end of the torsion spring is connected to the dust collection box, and the other end of the torsion spring is connected to the first lid. The bracket and the second lid are rotationally connected through bolts, and the second latch and the third latch are engaged. When the cleaning brush completes one cleaning from top to bottom, the downward movement of the cleaning brush drives the extrusion block to descend. When the extrusion block reaches the bottom, it presses against the first lid. Due to the characteristic of the rotating shaft connection, the first lid rotates around the rotating shaft, causing the dust to fall into the dust collection box for collection. When the cleaning brush rises, the extrusion block no longer presses against the first lid. Due to the characteristic of the torsion spring, the first lid automatically resets to the closed state, preventing the dust from being adsorbed onto the filter plate again, ensuring the cleanliness of the air purification device housing. When the dust collection box is full, pull the second latch so that it is no longer engaged with the third latch, and then the second lid can be rotated around the bolt connected to the bracket, and the dust will fall out of the dust collection box under the influence of gravity, enabling the dust to be collected and processed, ensuring cleanliness and hygiene. Brief Description of the Drawings

[0021] Figure 1 It is a front structural schematic diagram of the present utility model;

[0022] Figure 2 It is a front sectional structural schematic diagram of the present utility model;

[0023] Figure 3 It is a rear sectional structural schematic diagram of the present utility model;

[0024] Figure 4 It is a top sectional structural schematic diagram of the present utility model;

[0025] Figure 5 It is a side structural schematic diagram of the second lid of the present utility model;

[0026] Figure 6 For the present utility model Figure 2 The enlarged structural schematic diagram at position A.

[0027] In the figure: 1. Air purification device housing; 2. Base; 3. Air inlet; 4. Fan; 5. Dust-proof net; 6. Pusher block; 7. First latch; 8. First ordinary spring; 9. Filter plate; 10. First sliding block; 11. Support plate; 12. Second ordinary spring; 13. Cleaning brush; 14. Second sliding block; 15. Extrusion block; 16. Limiting rod; 17. Lead screw; 18. Motor; 19. Dust collection box; 20. First lid; 21. Torsion spring; 22. Bracket; 23. Second lid; 24. Second latch; 25. Third latch. Detailed Implementation Manner

[0028] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-6 , the present utility model provides an air purification device with an automatic cleaning structure, including: an air purification device housing 1, a base 2, an air inlet 3, a fan 4, a dust-proof net 5, a dial block 6, a first clamping block 7, a first ordinary spring 8, a filter plate 9, a first sliding block 10, a support plate 11, a second ordinary spring 12, a cleaning brush 13, a second sliding block 14, an extrusion block 15, a limiting rod 16, a lead screw 17, a motor 18, a dust collection box 19, a first cover 20, a torsion spring 21, a bracket 22, a second cover 23, a second clamping block 24 and a third clamping block 25.

[0030] As Figure 1 , Figure 3 and Figure 4As shown in the figure, a base 2 is fixed to the lower end of the air purification device housing 1, an air inlet 3 is arranged on the front side wall of the air purification device housing 1, and a fan 4 is fixed in the rear side cavity of the inner wall of the air purification device housing 1, and a dustproof net 5 is arranged on the front side of the fan 4, and the dustproof net 5 is fixed on the rear inner wall of the air purification device housing 1, and a shift block 6 is arranged in the left and right side slots of the upper end of the air purification device housing 1, and a first card block 7 is fixed on the inner side of the shift block 6, and a first common spring 8 is connected to the outer side wall of the shift block 6, and the A filter plate 9 is arranged in the inner cavity of the air purification device housing 1, and a first sliding block 10 is fixed on the left and right sides of the filter plate 9, and a support plate 11 is arranged at the lower end of the first sliding block 10, and the left and right sides of the lower end of the support plate 11 are connected to the second common spring 12, and the lower end of the second common spring 12 is connected to the inner bottom side wall of the air purification device housing 1, the shift block 6 is slidably connected to the slot at the top of the air purification device housing 1, and the first clamping block 7 is slidably connected to the slot at the top of the air purification device housing 1, and the surface of the filter plate 9 is evenly spaced. Holes are evenly arranged, and the first sliding block 10 is slidably connected with the grooves on the two side walls of the air purification device housing 1, and the upper side wall of the support plate 11 is fitted with the lower side wall of the filter plate 9. The fan 4 is started to allow air to enter the interior of the air purification device housing 1 from the air inlet 3. The dustproof net 5 can prevent dust from entering the interior of the fan 4 and causing malfunctions, so dust accumulates on the front side of the filter plate 9. When the filter plate 9 needs to be replaced, the dial block 6 is moved to make the first clamping block 7 slide outward, and at the same time, the first common spring 8 is squeezed. When the first clamping block 7 moves to When the first sliding block 10 is not hindered from moving up and down, the filter plate 9 can be placed inside the housing 1 of the air purification device, and the lower end of the filter plate 9 is attached to the upper side of the support plate 11 and squeezes the second common spring 12, and the force on the shifting block 6 is released. Due to the characteristics of the first common spring 8, the first clamping block 7 is driven to reset, and the filter plate 9 is clamped inside the housing 1 of the air purification device. If the filter plate 9 needs to be removed, the shifting block 6 is also moved, and the characteristics of the second common spring 12 drive the support plate 11 to reset and the filter plate 9 can be ejected, and the replacement is completed. The operation is very convenient and fast.

[0031] like Figure 2 and Figure 4As shown in the figure, a cleaning brush 13 is provided at the front end of the filter plate 9. Second sliding blocks 14 are fixed on both the left and right sides of the cleaning brush 13. An extrusion block 15 is fixed to the lower end of the middle part of the cleaning brush 13. A limiting rod 16 passes through the middle part of the left second sliding block 14, and a lead screw 17 passes through the middle part of the right second sliding block 14. The top end of the lead screw 17 is connected to the output end of the motor 18. The rear side of the cleaning brush 13 is in contact with the front side of the filter plate 9. The slot of the left second sliding block 14 is slidably connected to the limiting rod 16, and the slot of the right second sliding block 14 is threadedly connected to the lead screw 17. The lower end of the lead screw 17 is rotatably connected to the slot of the air purification device housing 1 through a bearing. When dust has accumulated on the filter plate 9, the motor 18 is started to drive the lead screw 17 to rotate. Due to the characteristics of the threaded connection and the limitation of the limiting rod 16, the second sliding block 14 can drive the cleaning brush 13 to move up and down, and the rear end of the cleaning brush 13 can clean the filter plate 9, ensuring that the filter plate 9 can maintain good adsorption performance;

[0032] As Figure 2 , Figure 5 and Figure 6 As shown in the figure, a dust collection box 19 is provided in the lower side wall of the air purification device housing 1. A first lid 20 is provided at the top end of the dust collection box 19. Torsion springs 21 are connected to the joints of the left and right ends of the air purification device housing 1 and the dust collection box 19. Brackets 22 are fixed to both the left and right sides of the lower end of the air purification device housing 1. A second lid 23 is provided inside the brackets 22. A second clamping block 24 is fixed to the front end of the second lid 23. A third clamping block 25 is fixed to the front side of the lower end of the air purification device housing 1. The inner side wall of the dust collection box 19 is rotatably connected to the first lid 20 through a rotating shaft. One end of the torsion spring 21 is connected to the dust collection box 19, and the other end of the torsion spring 21 is connected to the first lid 20. The brackets 22 are rotatably connected to the second lid 23 through bolts. The second clamping block 24 and the third clamping block 25 are clamped together. When the cleaning brush 13 completes a cleaning from top to bottom, the downward movement of the cleaning brush 13 drives the extrusion block 15 to move downward. When the extrusion block 15 reaches the bottom end, it presses against the first lid 20. Due to the characteristics of the rotating shaft connection, the first lid 20 rotates around the rotating shaft, causing the dust to fall into the dust collection box 19 for collection. When the cleaning brush 13 moves upward, the extrusion block 15 no longer presses against the first lid 20. Due to the characteristics of the torsion spring 21, the first lid 20 automatically resets to the closed state, preventing the dust from being adsorbed onto the filter plate 9 again, ensuring the cleanliness of the air purification device housing 1. When the dust collection box 19 is full, the second clamping block 24 is pulled to make it no longer clamped with the third clamping block 25, and then the second lid 23 can be rotated around the bolt connected to the brackets 22, and the dust will fall out of the inside of the dust collection box 19 under the influence of gravity, enabling the dust to be collected and processed, ensuring cleanliness and hygiene.

[0033] This is the entire working process of the air purification device with an automatic cleaning structure. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding, which are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0035] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An air purification device with an automatic cleaning structure, comprising: A shift block (6), a first clamping block (7), a filter plate (9), a support plate (11), a cleaning brush (13), an extrusion block (15), a screw rod (17), a dust collection box (19), a first cover (20) and a second cover (23), wherein a base (2) is fixed to the lower end of the air purification device housing (1); It is characterized by further comprising: An air inlet (3), wherein the air inlet (3) is arranged on the front side wall of the air purification device housing (1), and a fan (4) is fixed in the rear side cavity of the inner wall of the air purification device housing (1), and a dustproof net (5) is arranged on the front side of the fan (4), and the dustproof net (5) is fixed on the rear side inner wall of the air purification device housing (1); A shift block (6), wherein the shift blocks (6) are arranged in the left and right side slots of the upper end of the air purification device housing (1), and a first clamping block (7) is fixed on the inner side of the shift block (6), and a first common spring (8) is connected to the outer side wall of the shift block (6), a filter plate (9) is arranged in the inner cavity of the air purification device housing (1), and a first sliding block (10) is fixed on the left and right sides of the filter plate (9), and a support plate (11) is arranged at the lower end of the first sliding block (10), and the left and right sides of the lower end of the support plate (11) are connected to a second common spring (12), and the lower end of the second common spring (12) is connected to the inner bottom side wall of the air purification device housing (1); A cleaning brush (13), wherein the front end of the filter plate (9) is provided with a cleaning brush (13), and second sliding blocks (14) are fixed to the left and right sides of the cleaning brush (13), and an extrusion block (15) is fixed to the lower middle end of the cleaning brush (13), a limiting rod (16) passes through the middle of the left second sliding block (14), and a screw rod (17) passes through the middle of the right second sliding block (14), and the top end of the screw rod (17) is connected to the output end of the motor (18); A dust box (19), wherein the dust box (19) is provided in the lower side wall of the air purification device housing (1), and a first cover (20) is provided at the top of the dust box (19), and a torsion spring (21) is connected to the left and right ends of the air purification device housing (1) and the dust box (19), brackets (22) are fixed to the left and right sides of the lower end of the air purification device housing (1), and a second cover (23) is provided on the inner side of the bracket (22), and a second clamping block (24) is fixed to the front end of the second cover (23), and a third clamping block (25) is fixed to the front side of the lower end of the air purification device housing (1).

2. The air purification device with automatic cleaning structure according to claim 1, characterized in that: The shifting block (6) is in sliding connection with the slot at the top end of the air purification device housing (1), and the first clamping block (7) is in sliding connection with the slot at the top end of the air purification device housing (1).

3. The air purification device with automatic cleaning structure according to claim 1, characterized in that: The surface of the filter plate (9) is provided with holes at even intervals, and the first sliding block (10) is slidably connected to the grooves on the two side walls of the air purification device housing (1), and the upper side wall of the support plate (11) is fitted to the lower side wall of the filter plate (9).

4. The air purification device with automatic cleaning structure according to claim 1, characterized in that: The rear side of the cleaning brush (13) is fitted with the front side of the filter plate (9), and the slot of the second sliding block (14) on the left side is slidably connected to the limit rod (16), and the slot of the second sliding block (14) on the right side is threadedly connected to the screw rod (17), and the lower end of the screw rod (17) is rotatably connected to the slot of the air purification device housing (1) via a bearing.

5. The air purification device with automatic cleaning structure according to claim 1, characterized in that: The inner side wall of the dust box (19) is rotatably connected to the first cover (20) via a rotating shaft, one end of a torsion spring (21) is connected to the dust box (19), and the other end of the torsion spring (21) is connected to the first cover (20).

6. The air purification device with automatic cleaning structure according to claim 1, characterized in that: The bracket (22) and the second cover (23) are rotatably connected via bolts, and the second clamping block (24) and the third clamping block (25) are snap-fitted together.

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