Adjustable air purifier with PM2.5 detector

Abstract

The present application relates to an air purifier, especially to an adjustable air purifier with PM2.5 detector. The technical problem to be solved is to provide an adjustable air purifier with PM2.5 detector which can display PM2.5 content and can be processed in time. The adjustable air purifier with PM2.5 detector comprises a purifier, an air suction pipe, a gas guide frame and a moving pipe, etc. The purifier is connected with air suction pipes on the left and right sides of the rear part, and the upper part of the purifier is connected with gas guide frames on the left and right sides. The moving pipe is placed between the similar gas guide frame and air suction pipe. The purifier can purify the air, reduce environmental pollution, the detector can detect the PM2.5 content in the air and display the detected data. When the PM2.5 content in the air exceeds the standard, the filter can filter the air to reduce the PM2.5 content in the air and strengthen the filtering performance.

Description

TECHNICAL FIELD

[0001] The present application relates to an air purifier, in particular to an adjustable air purifier with a PM2.5 detector. BACKGROUND

[0002] With the popularity of cars, there is a large amount of exhaust emissions, which leads to an increase in PM2.5 content in the air, causing serious air pollution, so air purification treatment is needed.

[0003] The patent with publication number CN215446799U discloses a wall-mounted hidden air purifier, which comprises an air purifier, a clock is embedded and installed on the front side of the air purifier, an installation plate is fixedly installed on the top of the air purifier, an installation hole is provided through the front side of the installation plate, a rubber pad is fixedly installed on the bottom inner wall of the installation hole, and an anti-shaking mechanism is fixedly installed on the top of the installation plate. By setting the clamping plate, the screw nailed to the wall can be clamped firmly under the elastic force of the compression spring, preventing unnecessary shaking. By setting the clock and the colorful lamp on the front side of the air purifier, the wall space can be saved. However, this patent does not display the PM2.5 content, and when the PM2.5 content in the air exceeds the standard, people cannot handle it in time.

[0004] In view of the existing problems, a kind of air purifier that can display PM2.5 content and can handle in time is designed. SUMMARY

[0005] In order to overcome the above-mentioned prior art without displaying the PM2.5 content, when the PM2.5 content in the air exceeds the standard, people cannot handle it in time, the technical problem to be solved is to provide an adjustable air purifier with a PM2.5 detector that can display PM2.5 content and can handle in time.

[0006] The technical scheme is: an adjustable air purifier with a PM2.5 detector, comprising a purifier, an air suction pipe, a gas guide frame, a moving pipe, a gas guide pipe, an air inlet box, a sealing plate, a first elastic member, a detection mechanism, a filtering mechanism and a replacement mechanism, the purifier is connected with the air suction pipe on the left and right sides of the rear part, the purifier is connected with the gas guide frame on the left and right sides of the upper part, the moving pipe is placed between the similar gas guide frames and air suction pipes, the air inlet box is connected between the gas guide pipes, the gas guide pipe and the air inlet box are communicated, the air inlet box is connected and communicated with the purifier, the sealing plate is slidably provided on the front side of the air inlet box, the first elastic member is connected between the sealing plate and the purifier, the detection mechanism for detecting the PM2.5 content is provided on the front side of the air inlet box, the filtering mechanism for filtering impurities is provided on the gas guide frame, and the replacement mechanism is provided on the moving pipe.

[0007] Further, the detection mechanism comprises guide rails, a detector, wedge-shaped clamping blocks and second elastic members, the left and right sides of the front side of the air inlet tank are connected with guide rails, the detector is slidably arranged between the guide rails, the lower part of the guide rails is slidably provided with wedge-shaped clamping blocks capable of clamping the detector, and the second elastic members are connected between the wedge-shaped clamping blocks and the guide rails.

[0008] Further, the filter mechanism comprises filter plates, collection frames and cover plates, the filter plates and the collection frames are slidably arranged in the air guide frame, the collection frames are located below the filter plates, the outer sides of the air guide frame are rotatably connected with cover plates capable of blocking the filter plates and the collection frames, and the middle part of the collection frame is provided with a ventilation hole.

[0009] Further, the replacement mechanism comprises replacement pipes, third elastic members, lock blocks, first guide rods, clamping plates, fourth elastic members and filters, the front side of the moving pipe is connected with the replacement pipe, the replacement pipe and the purifier are slidably connected, the third elastic members are connected between the replacement pipe and the purifier, the filters are placed in the replacement pipe, the rear side of the moving pipe is connected with the lock block, the left and right sides of the middle part of the rear part of the purifier are connected with two first guide rods, the clamping plate capable of clamping the lock block is slidably arranged between the two first guide rods, the fourth elastic members are wound on the first guide rods, and the two ends of the fourth elastic members are connected with the first guide rods and the clamping plate.

[0010] Further, the cleaning mechanism comprises scrapers and fifth elastic members, the scrapers for cleaning the filter plates are slidably arranged on the front and rear sides of the air guide frame, the fifth elastic members are wound on the scrapers, and the two ends of the fifth elastic members are connected with the air guide frame and the scraper.

[0011] Further, the replacement mechanism comprises guide frames, push rods, sixth elastic members and first wedge-shaped blocks, the left and right sides of the front lower part of the purifier are connected with guide frames, the push rods are slidably arranged between the guide frames, the push rods contact the detector, the sixth elastic members are wound on the guide frames, the two ends of the sixth elastic members are connected with the guide frames and the push rods, and the front side of the replacement pipe is connected with the first wedge-shaped block, and the first wedge-shaped block contacts the push rod.

[0012] Further, the pushing mechanism comprises push frames, second guide rods, push frames, seventh elastic members, second wedge-shaped blocks and third wedge-shaped blocks, the outer sides of the replacement pipe are connected with the push frames, at least two second guide rods are connected with the top of the air guide frame, the push frame is slidably arranged between the second guide rods, the seventh elastic members are wound on the second guide rods, the two ends of the seventh elastic members are connected with the air guide frame and the second guide rod, the outer sides of the push frame are connected with the second wedge-shaped block, the push frame moves backward to contact the second wedge-shaped block, the outer sides of the scraper are connected with the third wedge-shaped block, and the similar push frame and the third wedge-shaped block contact.

[0013] Further, the adjusting mechanism comprises a mounting frame, a motor, a gear, a rack, connecting rods and adjusting pipes, the mounting frame is connected to the middle part of the rear side of the purifier, the motor is installed on the upper part of the mounting frame, the output shaft of the motor is connected with the gear, the rack is slidably arranged on the middle part of the rear side of the purifier, the rack is engaged with the gear, the connecting rods are connected to the left and right sides of the rack, and the adjusting pipes are connected to the outer ends of the connecting rods.

[0014] The purifier can purify the air, reduce environmental pollution, and the detector can detect the content of PM2.5 in the air and display the detected data.

[0015] 2. Under the action of the scraper, the impurities on the filter plate can be scraped off, so that the impurities are removed, and the air outside the purifier is difficult to be sucked into the purifier due to too much impurities.

[0016] 3. While the detector moves downward, the replacement pipe can be pushed to move backward, so that the replacement pipe is automatically replaced, and manual operation is not required, which is convenient and fast.

[0017] 4. While the replacement pipe moves backward, the scraper can be pushed to move inward, so that the filter plate is automatically cleaned, and the use is convenient.

[0018] 5. The motor can drive the adjusting pipe to move up and down, so that the height of the adjusting pipe is adjusted, and the air quality at different heights can be detected. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0020] Figure 2 It is a schematic diagram of the first partial three-dimensional structure of the present application.

[0021] Figure 3 It is a schematic diagram of the second partial three-dimensional structure of the present application.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the detection mechanism of the present application.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the filtering mechanism of the present application.

[0024] Figure 6 It is a schematic diagram of the first three-dimensional structure of the replacement mechanism of the present application.

[0025] Figure 7 It is a schematic diagram of the second three-dimensional structure of the replacement mechanism of the present application.

[0026] Figure 8 Enlarged schematic view of part A of the present application.

[0027] Figure 9 Schematic view of the cleaning mechanism of the present application.

[0028] Figure 10 Schematic view of the replacement mechanism of the present application.

[0029] Figure 11 Schematic view of the pushing mechanism of the present application.

[0030] Figure 12 Schematic view of the adjusting mechanism of the present application.

[0031] Reference signs in the drawing: 1: purifier, 2: air suction pipe, 3: air guide frame, 4: moving pipe, 5: air guide pipe, 6: air inlet box, 7: sealing plate, 8: first elastic member, 9: detection mechanism, 91: guide rail, 92: detector, 93: wedge-shaped clamping block, 94: second elastic member, 10: filtering mechanism, 101: filter plate, 102: collection frame, 103: cover plate, 104: air hole, 11: replacement mechanism, 111: replacement pipe, 112: third elastic member, 113: locking block, 114: first guide rod, 115: clamping plate, 116: fourth elastic member, 117: filter, 12: cleaning mechanism, 121: scraper, 122: fifth elastic member, 13: replacement mechanism, 131: guide frame, 132: pushing rod, 133: sixth elastic member, 134: first wedge-shaped block, 14: pushing mechanism, 141: pushing frame, 142: second guide rod, 143: pushing frame, 144: seventh elastic member, 145: second wedge-shaped block, 146: third wedge-shaped block, 15: adjusting mechanism, 151: mounting frame, 152: motor, 153: gear, 154: rack, 155: connecting rod, 156: adjusting pipe. DETAILED DESCRIPTION

[0032] The present application will now be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the application are shown. The application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, and fully convey the scope of the application to those skilled in the art.

[0033] Example 1

[0034] An adjustable air purifier with PM2.5 detector, as shown in Figures 1-8As shown, including the purifier 1, suction pipe 2, guide frame 3, mobile pipe 4, air guide pipe 5, intake box 6, sealing plate 7, the first elastic member 8, detection mechanism 9, filtering mechanism 10 and replacement mechanism 11, the purifier 1 rear left and right sides are connected by screws suction pipe 2, purifier 1 upper left and right sides are connected by screws guide frame 3, the left guide frame 3 and the left suction pipe 2 between the placement of mobile pipe 4, the right guide frame 3 and the right suction pipe 2 between the placement of mobile pipe 4, air guide pipe 5 between the connection of intake box 6, air guide pipe 5 and intake box 6 communication, intake box 6 and purifier 1 connection and communication, intake box 6 front side sliding type sealing plate 7, sealing plate 7 and purifier 1 between the connection of two first elastic members 8, the first elastic member 8 spring, intake box 6 front side detection mechanism 9, detection mechanism 9 for detecting PM2.5 content, guide frame 3 on the filtering mechanism 10, filtering mechanism 10 for filtering impurities, mobile pipe 4 on the replacement mechanism 11.

[0035] As shown in Figure 1 and Figure 4 , the detection mechanism 9 includes a guide rail 91, detector 92, wedge-shaped block 93 and second elastic member 94, the left and right sides of the front side of the intake box 6 are connected by bolts guide rail 91, guide rail 91 between the sliding type detection instrument 92, guide rail 91 lower part of the sliding type wedge-shaped block 93, wedge-shaped block 93 can be detection instrument 92 card, wedge-shaped block 93 and guide rail 91 between the connection of the second elastic member 94.

[0036] As shown in Figure 5 , the filtering mechanism 10 includes a filter plate 101, collection frame 102 and cover plate 103, guide frame 3 inside are slidingly provided with filter plate 101, guide frame 3 inside are slidingly provided with collection frame 102, collection frame 102 is located below the filter plate 101, guide frame 3 outside are rotatably connected with cover plate 103, cover plate 103 can be filter plate 101 and collection frame 102 block, collection frame 102 middle part of the air hole 104.

[0037] As shown in Figure 1 , Figure 6 , Figure 7 and Figure 8As shown, the replacement mechanism 11 comprises a replacement pipe 111, a third elastic member 112, a lock block 113, a first guide rod 114, a clamping plate 115, a fourth elastic member 116 and a filter 117. The front side of the moving pipe 4 is connected with the replacement pipe 111 through screws, the replacement pipe 111 is slidingly connected with the purifier 1, two third elastic members 112 are connected between the replacement pipe 111 and the purifier 1, the third elastic members 112 are springs, the filter 117 is placed in the replacement pipe 111, the rear side of the moving pipe 4 is connected with the lock block 113 through bolts, the left and right sides of the middle rear part of the purifier 1 are connected with two first guide rods 114, the left two first guide rods 114 are slidingly provided with the clamping plate 115, the right two first guide rods 114 are also slidingly provided with the clamping plate 115, the clamping plate 115 can clamp the lock block 113, the first guide rod 114 is wound with the fourth elastic member 116, one end of the fourth elastic member 116 is connected with the first guide rod 114, the other end of the fourth elastic member 116 is connected with the clamping plate 115, and the fourth elastic member 116 is a spring.

[0038] Start the purifier 1, through the air suction pipe 2, the moving pipe 4, the air guide frame 3, the air hole 104, the air guide pipe 5 and the air inlet tank 6, the air outside the purifier 1 is sucked into the purifier 1, the purifier 1 can purify the air, and the purified air is discharged, which can reduce environmental pollution, the filter plate 101 can filter the impurities in the air, so as to avoid the influence of the impurities on the work of the purifier 1, and the filtered impurities will fall into the collection frame 102, the cover plate 103 is opened, the filter plate 101 and the collection frame 102 can be taken out, then the filter plate 101 and the collection frame 102 are cleaned, people can open the detector 92, then push the detector 92 backward, the detector 92 pushes the sealing plate 7 to move backward, the first elastic member 8 is compressed, the detector 92 moves into the air inlet tank 6, the detector 92 can detect the content of PM2.5 in the air and display the detected data on the detector 92, when the content of PM2.5 in the air is detected, the detector 92 is closed, then the detector 92 is released, the sealing plate 7 moves forward under the action of the first elastic member 8 and resets, the detector 92 moves forward and resets, the sealing plate 7 closes the air inlet tank 6, and people move the detector 92 downward again, when the detector 92 moves downward and touches the wedge-shaped clamping block 93, the wedge-shaped clamping block 93 is pushed forward, the second elastic member 94 is compressed, when the detector 92 moves downward and passes the wedge-shaped clamping block 93, the wedge-shaped clamping block 93 moves backward and resets under the action of the second elastic member 94, the wedge-shaped clamping block 93 can clamp the detector 92, when the detector 92 is needed, people can pull the wedge-shaped clamping block 93 forward, so that the wedge-shaped clamping block 93 no longer blocks the detector 92, if the content of PM2.5 in the air exceeds the standard, people can push the replacement pipe 111 backward, the third elastic member 112 is compressed, the replacement pipe 111 drives the lock block 113 to move backward, when the lock block 113 moves backward and the clamping plate 115, the lock block 113 pushes the clamping plate 115 to move outward, the fourth elastic member 116 is compressed, when the lock block 113 passes the clamping plate 115, the clamping plate 115 moves inward under the action of the fourth elastic member 116, the clamping plate 115 clamps the lock block 113, so as to fix the moving pipe 4 and the replacement pipe 111, at this time, the air suction pipe 2 and the air guide frame 3 correspond to the replacement pipe 111, the air outside the environment will pass through the replacement pipe 111, the filter 117 can filter the air, reduce the content of PM2.5 in the air, and enhance the filtering performance, and can avoid damage to the purifier 1, the filter 117 is placed in the replacement pipe 111, which is convenient to replace, when the content of PM2.5 in the air is reduced to a level that will not affect the environment, people can pull the clamping plate 115 outward, the fourth elastic member 116 is compressed, the clamping plate 115 releases the lock block 113, the replacement pipe 111 moves forward and resets under the action of the third elastic member 112, the replacement pipe 111 is removed, the clamping plate 115 is released, and the clamping plate 115 moves inward and resets under the action of the fourth elastic member 116, at this time, the air suction pipe 2 and the air guide frame 3 correspond to the moving pipe 4.

[0039] Embodiment 2

[0040] On the basis of embodiment 1, as Figure 9 shown, it further comprises a cleaning mechanism 12, the cleaning mechanism 12 comprises a scraper 121 and a fifth elastic element 122, the scraper 121 is slidably arranged on the front and rear sides of the air guide frame 3, the scraper 121 is used for cleaning the filter plate 101, the fifth elastic element 122 is arranged on the scraper 121, one end of the fifth elastic element 122 is connected with the air guide frame 3, and the other end of the fifth elastic element 122 is connected with the scraper 121, and the fifth elastic element 122 is a spring.

[0041] People can push the scraper 121 inward, the fifth elastic element 122 is compressed, the scraper 121 can scrape off the impurities on the filter plate 101, so that too much impurities cannot cause the air outside to be difficult to be sucked into the purifier 1, and the impurities fall into the collection frame 102, and the scraper 121 is loosened, and the scraper 121 is moved outward and reset under the action of the fifth elastic element 122.

[0042] As Figure 10 shown, it further comprises a replacement mechanism 13, the replacement mechanism 13 comprises a guide frame 131, a pushing rod 132, a sixth elastic element 133 and a first wedge block 134, the left and right sides of the lower part of the front side of the purifier 1 are connected with the guide frame 131 through bolts, the pushing rod 132 is slidably arranged between the guide frames 131, the pushing rod 132 is in contact with the detector 92, the sixth elastic element 133 is arranged on the guide frame 131, one end of the sixth elastic element 133 is connected with the guide frame 131, the other end of the sixth elastic element 133 is connected with the pushing rod 132, the sixth elastic element 133 is a spring, and the first wedge block 134 is connected with the pushing rod 132.

[0043] When the detector 92 moves downward, the detector 92 pushes the pushing rod 132 to move downward, the sixth elastic element 133 is compressed, the pushing rod 132 pushes the first wedge block 134 to move backward, the first wedge block 134 drives the replacement pipe 111 to move backward, and the replacement pipe 111 is automatically replaced, so that manual operation of people is not needed, and convenience and rapidity are achieved, when the detector 92 moves upward, the detector 92 no longer pushes the pushing rod 132, and the pushing rod 132 moves upward and resets under the action of the sixth elastic element 133.

[0044] As Figure 11As shown, it also includes a pushing mechanism 14, which includes a pushing frame 141, second guide rods 142, pushing frames 143, seventh elastic members 144, second wedge blocks 145 and third wedge blocks 146, the outer sides of the replacement tubes 111 are connected with the pushing frames 141 through bolts, the top of the air guide frame 3 is connected with two second guide rods 142, the pushing frames 143 are slidingly arranged between the left second guide rods 142, the pushing frames 143 are also slidingly arranged between the right second guide rods 142, the seventh elastic members 144 are wound around the second guide rods 142, one end of the seventh elastic member 144 is connected with the air guide frame 3, the other end of the seventh elastic member 144 is connected with the second guide rod 142, the seventh elastic member 144 is a spring, the outer sides of the pushing frames 143 are connected with the second wedge blocks 145 through screws, the pushing frames 141 move backward to contact the second wedge blocks 145, the outer sides of the scrapers 121 are connected with the third wedge blocks 146, the pushing frames 143 and the third wedge blocks 146 close to them contact each other.

[0045] When the replacement tubes 111 move backward, the replacement tubes 111 drive the pushing frames 141 to move backward, when the pushing frames 141 move backward to contact the second wedge blocks 145, the pushing frames 141 drive the second wedge blocks 145 to move upward, the second wedge blocks 145 drive the pushing frames 143 to move upward, the seventh elastic members 144 are compressed, the pushing frames 143 drive the third wedge blocks 146 to move inward, the third wedge blocks 146 drive the scrapers 121 to move inward, the filter plates 101 are automatically cleaned, and the use is convenient, when the replacement tubes 111 move forward, the replacement tubes 111 drive the pushing frames 141 to move forward, the pushing frames 141 no longer drive the second wedge blocks 145, the pushing frames 143 move downward to reset under the action of the seventh elastic members 144, the pushing frames 143 no longer drive the third wedge blocks 146, the scrapers 121 move outward to reset under the action of the fifth elastic members 122, and the third wedge blocks 146 move outward to reset.

[0046] As shown, Figure 12 It also includes an adjusting mechanism 15, which includes a mounting frame 151, a motor 152, a gear 153, a rack 154, connecting rods 155 and adjusting tubes 156, the mounting frame 151 is connected with the rear middle part of the purifier 1 through a bolt, the motor 152 is installed on the upper part of the mounting frame 151 through a bolt, the output shaft of the motor 152 is connected with the gear 153 through a key, the rack 154 is slidingly arranged on the rear middle part of the purifier 1, the rack 154 is engaged with the gear 153, the connecting rods 155 are connected with the left and right sides of the rack 154 through screws, and the outer ends of the connecting rods 155 are connected with the adjusting tubes 156, and the two adjusting tubes 156 are slidingly connected with the two air suction tubes 2 respectively.

[0047] People can control the output shaft of the motor 152 to rotate, the motor 152 drives the gear 153 to rotate, the gear 153 drives the rack 154 to move upward, the rack 154 drives the adjusting pipe 156 to move upward through the connecting rod 155, the adjusting pipe 156 slides in the air suction pipe 2, the output shaft of the motor 152 is reversed to rotate, the gear 153 is reversed to rotate, the gear 153 drives the rack 154 to move downward, the adjusting pipe 156 moves downward, the height of the adjusting pipe 156 is adjusted, so that the air quality of different height is detected, after the height of the adjusting pipe 156 is adjusted, the motor 152 is turned off.

[0048] It should be understood that the above-mentioned embodiments are only used for illustrating the present application but not for limiting the scope of the present application. Furthermore, it should be understood that those skilled in the art can make various modifications or changes to the present application after reading the content of the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. An adjustable air purifier with a PM2.5 detector, comprising a purifier (1) and an air intake pipe (2), wherein the air intake pipe (2) is connected to both the left and right sides of the rear of the purifier (1), characterized in that, It also includes an air guide frame (3), a moving tube (4), an air guide pipe (5), an air inlet box (6), a sealing plate (7), a first elastic element (8), a detection mechanism (9), a filtration mechanism (10), and a replacement mechanism (11). The air guide frame (3) is connected to both the upper left and right sides of the purifier (1). A moving tube (4) is placed between the adjacent air guide frame (3) and the air inlet pipe (2). An air inlet box (6) is connected between the air guide pipes (5). The air guide pipe (5) and the air inlet box (6) are connected. The air inlet box (6) and the purifier (1) are connected and communicate with each other. A sealing plate (7) is slidably provided on the front side of the air inlet box (6). A first elastic element (8) is connected between the sealing plate (7) and the purifier (1). A detection mechanism (9) for detecting PM2.5 content is provided on the front side of the air inlet box (6). A filtration mechanism (10) for filtering impurities is provided on the air guide frame (3). A replacement mechanism (11) is provided on the moving tube (4). The testing mechanism (9) includes a guide rail (91), a testing instrument (92), a wedge-shaped block (93), and a second elastic element (94). The left and right sides of the front of the air intake box (6) are connected to the guide rail (91). The testing instrument (92) is slidably arranged between the guide rails (91). The lower part of the guide rail (91) is slidably provided with a wedge-shaped block (93) that can hold the testing instrument (92). The second elastic element (94) is connected between the wedge-shaped block (93) and the guide rail (91). The filtration mechanism (10) includes a filter plate (101), a collection frame (102) and a cover plate (103). The filter plate (101) and the collection frame (102) are slidably provided inside the air guide frame (3). The collection frame (102) is located below the filter plate (101). The outer side of the air guide frame (3) is rotatably connected to a cover plate (103) that can block the filter plate (101) and the collection frame (102). A vent hole (104) is opened in the middle of the collection frame (102). The replacement mechanism (11) includes a replacement tube (111), a third elastic element (112), a locking block (113), a first guide rod (114), a clamping plate (115), a fourth elastic element (116), and a filter (117). The front side of the moving tube (4) is connected to the replacement tube (111). The replacement tube (111) and the purifier (1) are slidably connected. The third elastic element (112) is connected between the replacement tube (111) and the purifier (1). The replacement tube (111) contains a filter. There is a filter (117), and a locking block (113) is connected to the rear side of the moving tube (4). Two first guide rods (114) are connected to the left and right sides of the middle rear part of the purifier (1). A card plate (115) that can lock the locking block (113) is slidably provided between the two adjacent first guide rods (114). A fourth elastic element (116) is wound around the first guide rod (114). The two ends of the fourth elastic element (116) are connected to the first guide rod (114) and the card plate (115) respectively. It also includes a cleaning mechanism (12), which includes a scraper (121) and a fifth elastic element (122). The air guide frame (3) is slidably provided with scrapers (121) for cleaning the filter plate (101) on both the front and rear sides. The scraper (121) is wrapped with a fifth elastic element (122). The two ends of the fifth elastic element (122) are connected to the air guide frame (3) and the scraper (121) respectively. It also includes a replacement mechanism (13), which includes a guide frame (131), a push rod (132), a sixth elastic element (133), and a first wedge block (134). The left and right sides of the lower front of the purifier (1) are connected to the guide frame (131). The push rod (132) is slidably provided between the guide frames (131). The push rod (132) is in contact with the detector (92). The sixth elastic element (133) is wound around the guide frame (131). The two ends of the sixth elastic element (133) are connected to the guide frame (131) and the push rod (132) respectively. The front side of the replacement tube (111) is connected to the first wedge block (134). The first wedge block (134) is in contact with the push rod (132).

2. An adjustable air purifier with a PM2.5 detector according to claim 1, characterized in that, It also includes a pushing mechanism (14), which includes a pushing frame (141), a second guide rod (142), a pusher (143), a seventh elastic element (144), a second wedge block (145), and a third wedge block (146). The outer side of the connecting pipe (111) is connected to the pushing frame (141), and the top of the air guide frame (3) is connected to at least two second guide rods (142). Pushers (143) are slidably provided between adjacent second guide rods (142). The second guide rod (142) is wound with a seventh elastic element (144). The two ends of the seventh elastic element (144) are connected to the air guide frame (3) and the second guide rod (142) respectively. The outer side of the push frame (143) is connected with a second wedge block (145). When the push frame (141) moves backward, it will contact the second wedge block (145). The outer side of the scraper (121) is connected with a third wedge block (146). The adjacent push frame (143) and the third wedge block (146) contact each other.

3. An adjustable air purifier with a PM2.5 detector according to claim 2, characterized in that, It also includes an adjustment mechanism (15), which includes a mounting bracket (151), a motor (152), a gear (153), a rack (154), a connecting rod (155), and an adjustment tube (156). The mounting bracket (151) is connected to the middle of the rear side of the purifier (1). The motor (152) is installed on the upper part of the mounting bracket (151). The gear (153) is connected to the output shaft of the motor (152). The rack (154) is slidably provided in the middle of the rear side of the purifier (1). The rack (154) and the gear (153) mesh. The connecting rod (155) is connected to both the left and right sides of the rack (154). The adjustment tube (156) is connected to the outer end of the connecting rod (155). The two adjustment tubes (156) are slidably connected to the two air intake tubes (2) respectively.

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