Shopping mall rainwater filtration equipment based on smart city

Abstract

The present invention relates to the field of smart cities, and in particular to a rainwater filtering device for shopping malls based on smart cities. The technical problem is: on rainy days, after people use umbrellas, the rainwater on the umbrellas has not been effectively treated, resulting in rainwater dripping into the shopping mall, which in turn causes water accumulation indoors, and a large amount of rainwater is also accompanied by the soles of customers' shoes, which can easily cause customers to slip while walking, causing safety hazards. The technical solution is: a rainwater filtering device for shopping malls based on smart cities, including a dewatering tank and a filter box, etc.; the filter box is fixedly connected to the right side of the dewatering tank. The present invention realizes that when people use umbrellas on rainy days and enter large shopping malls, they first remove the rainwater in the umbrellas, and then clean the rainwater and impurities on the soles of customers' shoes, and use the filtered rainwater to further clean the shopping mall, thereby avoiding indoor water accumulation and customers slipping while walking, improving the cleanliness and dryness of the shopping mall environment while greatly reducing the operating costs of large shopping malls.

Description

Technical Field

[0001] The present invention relates to the field of smart cities, and in particular to a shopping mall rainwater filtering device based on smart cities. Background Art

[0002] In the prior art, on rainy days, people use umbrellas to enter and exit large shopping malls, and most of them bring their umbrellas into the malls. The rainwater on the umbrellas has not been effectively treated, which can easily cause the rainwater to drip onto the mall's indoor floors, stairs, elevators and other passages, thereby causing local or widespread water accumulation indoors, which can easily cause the elderly, children, pregnant women and other customers to slip while walking, thereby causing certain safety hazards and affecting the cleanliness and dryness of the mall environment. In addition, a large amount of rainwater is also attached to the soles of customers' shoes, which greatly increases the risk factor. Cleaning by mall staff requires external tap water for cleaning, and water resources cannot be effectively utilized, thereby increasing the operating costs of large shopping malls.

[0003] In summary, it is necessary to develop a rainwater filtration device for shopping malls based on smart cities to overcome the above problems. Summary of the invention

[0004] In order to overcome the disadvantages that on rainy days, rainwater on umbrellas has not been effectively treated after people use them, causing rainwater to drip into shopping malls, thereby causing water accumulation indoors, and a large amount of rainwater is also on the soles of customers' shoes, which can easily cause customers to slip while walking and cause safety hazards, the present invention provides a shopping mall rainwater filtering device based on smart city.

[0005] The technical implementation scheme of the present invention is: a rainwater filtering device for shopping malls based on smart cities, including a dewatering tank, a filter box, a limit rod, a water removal unit, a reverse cleaning unit and a filter unit; the filter box is fixedly connected to the right side of the dewatering tank; the limit rod is fixedly connected to the lower part of the filter box; the dewatering unit for removing rainwater is installed on the upper inner side of the dewatering tank; the reverse cleaning unit for cleaning soles and the ground is installed on the upper inner side of the filter box; and the filter unit for filtering after cleaning is installed on the lower inner side of the filter box.

[0006] Optionally, a protrusion is provided on the outer annular surface of the limiting rod.

[0007] Optionally, the water removal unit includes a guide plate, a fixed rod, a sliding plate, a spring, an electric shaft, a cam, a connecting frame and a scraper; a guide plate is fixedly connected to the upper inner side of the filter box; a fixed rod is slidably connected to the left and right parts of the guide plate; a sliding plate is slidably connected to the upper part between the two fixed rods; two springs are fixedly connected between the sliding plate and the guide plate; two electric shafts are installed on the upper inner side of the filter box and above the guide plate; a cam is fixedly connected to the rear of the two electric shafts; the two cams are in contact with the sliding plate; eight connecting frames are fixedly connected to the left and right parts of the upper surface of the sliding plate in an equidistant manner in a ring, and the eight connecting frames form a group, and each group of connecting frames on the left and right is rotatably connected to eight scrapers.

[0008] Optionally, a torsion spring is provided at the connection between the scraper and the connecting frame for resetting the scraper.

[0009] Optionally, the top of the scraper is set to be conical, which is used to smooth the umbrella cloth in the umbrella and scrape rainwater off the umbrella cloth.

[0010] Optionally, the facing sides of the eight scrapers are all cut into bevels.

[0011] Optionally, the reverse cleaning unit includes a pull rod, a cleaning blanket, a connecting rod, a fixed sleeve, a first spur gear, a mop frame, a motor, a first transmission shaft, a second spur gear, a first support rod, a first rack, a second support rod, a second rack, a third support rod, a third rack, a fourth support rod and a fourth rack; the mop frame is slidably connected to the lower inner side of the filter box; the mop frame is fixedly connected to the lower part of the connecting rod; the left and right parts of the connecting rod are each rotatably connected to a fixed sleeve; a cleaning blanket is wrapped around the front of the two fixed sleeves; the front end of the cleaning blanket is connected to the pull rod; the outer annular surfaces of the two fixed sleeves are fixedly connected to a first spur gear; the motor is installed at the lower right side of the filter box; the motor output shaft is fixedly connected to the first transmission shaft; the first transmission The shaft is rotatably connected to the filter box; a second spur gear is fixedly connected to the left and right parts of the first transmission shaft; the two second spur gears are each meshed with a first spur gear; two first support rods are fixedly connected to the left part of the inner side of the filter box; the first rack is fixedly connected to the right end of the two first support rods; two second support rods are fixedly connected to the right part of the inner side of the filter box; the second rack is fixedly connected to the left end of the two second support rods; two third support rods are fixedly connected to the left part of the inner side of the filter box and located above the two first support rods; the third rack is fixedly connected to the right end of the two third support rods; two fourth support rods are fixedly connected to the right part of the inner side of the filter box and located above the two second support rods; the fourth rack is fixedly connected to the left end of the two fourth support rods.

[0012] Optionally, the pull rod is detachable.

[0013] Optionally, the filter unit includes a water collecting box, a filter plate, a sliding frame, an electric push rod, a fifth rack, a sixth rack, a third spur gear, a fourth spur gear, a first transmission wheel, a second transmission shaft, a second transmission wheel and a fifth spur gear; the lower inner part of the filter box is fixedly connected to the water collecting box; the upper part of the water collecting box is rotatably connected to two filter plates; the right inner part of the filter box is slidably connected to the sliding frame; the left part of the sliding frame is fixedly connected to two electric push rods; the telescopic parts of the two electric push rods are fixedly connected to the fifth rack; the right part of the sliding frame is fixedly connected to the sixth rack; the right part of the water collecting box is rotated through the rotating shaft The third spur gear is rotatably connected to the water collecting tank; the sixth rack meshes with the third spur gear; a fourth spur gear is fixedly connected to the right part of each of the two filter plates; the fourth spur gear at the rear meshes with the third spur gear; the first transmission wheel is fixedly connected to the right part of the rear filter plate and located to the right of the fourth spur gear; the second transmission shaft is rotatably connected to the right part of the water collecting tank; the second transmission wheel is fixedly connected to the right part of the second transmission shaft; the second transmission wheel is connected to the first transmission wheel through a belt; the fifth spur gear is fixedly connected to the left part of the second transmission shaft; the fifth spur gear meshes with the fourth spur gear in front.

[0014] The beneficial effects of the present invention are as follows: the present invention enables people to first remove rainwater from umbrellas when entering large shopping malls after using umbrellas on rainy days, and then clean rainwater and impurities on the soles of customers' shoes, and the staff can use the filtered rainwater to further clean the shopping mall, effectively utilizing water resources for cleaning, avoiding indoor water accumulation and customers slipping while walking, improving the cleanliness and dryness of the shopping mall environment, and greatly reducing the operating costs of large shopping malls. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the rainwater filtration equipment for shopping malls based on smart cities of the present invention;

[0016] Figure 2 Shown is a cross-sectional view of a rainwater filtration device for a shopping mall for a smart city according to the present invention;

[0017] Figure 3 Shown is a schematic diagram of the three-dimensional structure of a water removal unit of a rainwater filtration device for a shopping mall for smart cities according to the present invention;

[0018] Figure 4 Shown is a partial three-dimensional structural schematic diagram of a water removal unit of a rainwater filtration device for shopping malls used in smart cities according to the present invention;

[0019] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the reverse cleaning unit of the shopping mall rainwater filtration equipment for smart cities according to the present invention;

[0020] Figure 6 Shown is a schematic diagram of a first partial three-dimensional structure of a reverse cleaning unit of a shopping mall rainwater filtration device for a smart city according to the present invention;

[0021] Figure 7 Shown is a schematic diagram of a second partial three-dimensional structure of a reverse cleaning unit of a shopping mall rainwater filtration device for a smart city according to the present invention;

[0022] Figure 8 Shown is a first three-dimensional structural schematic diagram of a filtering unit of a rainwater filtering device for shopping malls used in smart cities according to the present invention;

[0023] Fig. 9 Shown is a second three-dimensional structural schematic diagram of a filtering unit of a rainwater filtering device for shopping malls used in smart cities according to the present invention;

[0024] Fig.10 Shown is a schematic diagram of a first partial three-dimensional structure of a filtering unit of a rainwater filtering device for shopping malls used in smart cities according to the present invention;

[0025] Fig.11 Shown is a schematic diagram of the second partial three-dimensional structure of the filtering unit of the rainwater filtering equipment for shopping malls used in smart cities according to the present invention.

[0026] The meanings of the reference numerals in the figure are: 1-water tank, 2-filter box, 3-limiting rod, 201-guide plate, 202-fixing rod, 203-sliding plate, 204-spring, 205-electric shaft, 206-cam, 207-connecting frame, 208-scraper, 301-pull rod, 302-cleaning blanket, 303-connecting rod, 304-fixing sleeve, 305-first spur gear, 306-mop frame, 307-motor, 308-first transmission shaft, 309-second spur gear, 310-first support rod, 311- 11-first rack, 312-second support rod, 313-second rack, 314-third support rod, 315-third rack, 316-fourth support rod, 317-fourth rack, 401-water collecting tank, 402-filter plate, 403-sliding frame, 404-electric push rod, 405-fifth rack, 406-sixth rack, 407-third spur gear, 408-fourth spur gear, 409-first transmission wheel, 410-second transmission shaft, 411-second transmission wheel, 412-fifth spur gear. DETAILED DESCRIPTION

[0027] Reference to an embodiment herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0028] Example 1

[0029] A rainwater filtration device for shopping malls based on smart cities, Figure 1-2 As shown, it includes a dewatering box 1, a filter box 2, a limiting rod 3, a water removal unit, a reverse cleaning unit and a filter unit; the filter box 2 is fixedly connected to the right side of the dewatering box 1; the limiting rod 3 is fixedly connected to the lower part of the filter box 2; the dewatering unit is installed on the upper inner part of the dewatering box 1; the reverse cleaning unit is installed on the upper inner part of the filter box 2; and the filter unit is installed on the lower inner part of the filter box 2.

[0030] Among them, the outer ring surface of the limiting rod 3 is provided with a protrusion.

[0031] During the work, the staff will move the water removal tank 1 and the filter box 2 to the entrance of the large shopping mall simultaneously. Then, when a customer brings an umbrella into the mall on a rainy day, the umbrella is first placed in the water removal tank 1. At this time, the water removal unit starts to remove the rainwater in the umbrella. Then the customer is asked to move to the front of the filter box 2. At this time, the reverse cleaning unit starts to clean the rainwater and impurities on the soles of the customer's shoes. Then the staff will clean the ground. Then, after the reverse cleaning unit completes the cleaning, the filter unit starts to filter.

[0032] Example 2

[0033] Based on Example 1, Figure 2 and Figure 3-11 As shown, the water removal unit includes a guide plate 201, a fixed rod 202, a sliding plate 203, a spring 204, an electric shaft 205, a cam 206, a connecting frame 207 and a scraper 208; the guide plate 201 is fixedly connected to the upper inner side of the filter box 2; the left and right parts of the guide plate 201 are each slidably connected to a fixed rod 202; the upper part between the two fixed rods 202 is slidably connected to a sliding plate 203; two fixed connections are fixedly connected between the sliding plate 203 and the guide plate 201 Spring 204; two electric rotating shafts 205 are installed on the upper inner side of the filter box 2 and above the guide plate 201; a cam 206 is fixedly connected to the rear of the two electric rotating shafts 205; the two cams 206 are in contact with the sliding plate 203; eight connecting frames 207 are fixedly connected in annular shapes equidistantly on the left and right parts of the upper surface of the sliding plate 203, and the eight connecting frames 207 form a group, and each group of connecting frames 207 on the left and right is rotatably connected to eight scrapers 208.

[0034] A torsion spring 204 is provided at the connection between the scraper 208 and the connecting frame 207 for resetting the scraper 208 .

[0035] The top of the scraper 208 is set to be conical, which is used to smooth the umbrella cloth in the umbrella and scrape off the rainwater on the umbrella cloth.

[0036] The facing sides of the eight scrapers 208 are all cut into inclined surfaces.

[0037] The reverse cleaning unit includes a pull rod 301, a cleaning blanket 302, a connecting rod 303, a fixing sleeve 304, a first spur gear 305, a mop frame 306, a motor 307, a first transmission shaft 308, a second spur gear 309, a first support rod 310, a first rack 311, a second support rod 312, a second rack 313, a third support rod 314, a third rack 315, a fourth support rod 316 and a fourth rack 317; the mop frame 306 is slidably connected to the lower inner part of the filter box 2; the mop frame 306 is fixedly connected to the lower part of the connecting rod 303; the left and right parts of the connecting rod 303 are each rotatably connected to a fixing sleeve 304; the cleaning blanket 302 is wound around the front of the two fixing sleeves 304; the front end of the cleaning blanket 302 is connected to the pull rod 301; the outer annular surfaces of the two fixing sleeves 304 are fixedly connected to a first spur gear 305; the motor 307 is installed at the lower right side of the filter box 2; the output shaft of the motor 307 A first transmission shaft 308 is fixedly connected; the first transmission shaft 308 is rotationally connected to the filter box 2; a second spur gear 309 is fixedly connected to the left and right parts of the first transmission shaft 308; the two second spur gears 309 are each meshed with a first spur gear 305; two first support rods 310 are fixedly connected to the left part of the inner side of the filter box 2; the right ends of the two first support rods 310 are fixedly connected to the first rack 311; two second support rods 312 are fixedly connected to the right part of the inner side of the filter box 2; the left ends of the two second support rods 312 are fixedly connected to the second rack 313; two third support rods 314 are fixedly connected to the left part of the inner side of the filter box 2 and located above the two first support rods 310; the right ends of the two third support rods 314 are fixedly connected to the third rack 315; two fourth support rods 316 are fixedly connected to the right part of the inner side of the filter box 2 and located above the two second support rods 312; the left ends of the two fourth support rods 316 are fixedly connected to the fourth rack 317.

[0038] The pull rod 301 is detachable.

[0039] The filter unit includes a water collecting box 401, a filter plate 402, a sliding frame 403, an electric push rod 404, a fifth rack 405, a sixth rack 406, a third spur gear 407, a fourth spur gear 408, a first transmission wheel 409, a second transmission shaft 410, a second transmission wheel 411 and a fifth spur gear 412; the water collecting box 401 is fixedly connected to the lower inner part of the filter box 2; two filter plates 402 are rotatably connected to the upper part of the water collecting box 401; the sliding frame 403 is slidably connected to the right inner part of the filter box 2; two electric push rods 404 are bolted to the left part of the sliding frame 403; the fifth rack 405 is fixedly connected to the telescopic part of the two electric push rods 404; the sixth rack 406 is fixedly connected to the right part of the sliding frame 403; the right part of the water collecting box 401 The third spur gear 407 is rotatably connected to the right part of the water collecting tank 401 through a rotating shaft; the sixth rack 406 is meshed with the third spur gear 407; a fourth spur gear 408 is fixedly connected to the right part of the two filter plates 402; the fourth spur gear 408 at the rear is meshed with the third spur gear 407; a first transmission wheel 409 is fixedly connected to the right part of the rear filter plate 402 and located to the right of the fourth spur gear 408; the right part of the water collecting tank 401 is rotatably connected to the second transmission shaft 410; the second transmission wheel 411 is fixedly connected to the first transmission wheel 409 through a belt; the fifth spur gear 412 is fixedly connected to the left part of the second transmission shaft 410; the fifth spur gear 412 is meshed with the fourth spur gear 408 at the front.

[0040] During the work, the staff will move the water tank 1 and the filter box 2 to the entrance of the large shopping mall synchronously, and then when customers bring umbrellas into the mall on a rainy day, the staff will guide two customers to put the umbrellas into the water tank 1. At this time, the two umbrellas are vertically inserted into the eight scrapers 208 on the left and the eight scrapers 208 on the right and squeezed, so that the eight scrapers 208 on the left and the eight scrapers 208 on the right are respectively rotated toward the center position of the two umbrellas, and then the two umbrellas are limited by the eight scrapers 208 on the left and the eight scrapers 208 on the right, and then the two electric shafts 205 are started to drive the two cams 206 to rotate, and the rotation of the two cams 206 squeezes the sliding plate 203 and drives the sliding plate 203 to move upward, and the sliding plate 203 is moved upward. The plate 203 moves upward, driving the two groups of connecting frames 207 to move upward, thereby driving the eight scrapers 208 on the left and the eight scrapers 208 on the right to move upward synchronously, thereby driving the two umbrellas to move upward. At the same time, the sliding plate 203 moves upward to stretch the two springs 204. Then, when the two electric rotating shafts 205 drive the two cams 206 to rotate and do not squeeze the sliding plate 203, the sliding plate 203 moves downward and resets through the rebound force of the two springs 204, thereby driving all related components to move and reset, thereby causing the eight scrapers 208 on the left and the eight scrapers 208 on the right to move downward synchronously, thereby driving the two umbrellas to move downward, thereby causing the two umbrellas to reciprocate up and down, thereby removing rainwater from the two umbrellas.

[0041] Next, the customer is asked to move to the front of the filter box 2. At this time, the staff will pre-connect the cleaning blanket 302 with the two fixing sleeves 304, and then pull out the cleaning blanket 302 and move it to the front of the filter box 2, and connect the pull rod 301 with the front end of the cleaning blanket 302, and then limit the cleaning blanket 302 by the pull rod 301 to prevent displacement, and then guide the customer to walk to the upper surface of the cleaning blanket 302, and then clean the rainwater and impurities on the soles of the customers' shoes. After a period of time, the cleaning blanket 302 is dirty and there is a lot of water inside the cleaning blanket 302. At this time, the staff will remove the pull rod 301, and then the two electric push rods 404 will start to drive the first The fifth rack 405 moves, so that the fifth rack 405 is disengaged from the second spur gear 309. Then, the motor 307 starts the output shaft to drive the first transmission shaft 308 to rotate. The rotation of the first transmission shaft 308 drives the two second spur gears 309 to rotate. The rotation of the two second spur gears 309 drives the two first spur gears 305 to rotate. The rotation of the two first spur gears 305 drives the two fixing sleeves 304 to rotate. The rotation of the two fixing sleeves 304 collects the cleaning blanket 302 into a curled shape. Then, the staff takes the mop rack 306 out of the filter box 2, thereby driving the mop rack 306 to move upward. The upward movement of the mop rack 306 drives the connecting rod 303 to move upward. The connecting rod 303 moves The two fixing sleeves 304 are driven to move upward, and the movement of the fixing sleeves 304 drives the two first spur gears 305 to move. At this time, the left first spur gear 305 moves upward and meshes with the first rack 311, thereby causing the left first spur gear 305 to rotate. At the same time, the right first spur gear 305 moves upward and meshes with the second rack 313, thereby causing the right first spur gear 305 to rotate. At this time, the left first spur gear 305 and the right first spur gear 305 rotate in opposite directions, thereby causing the two fixing sleeves 304 to rotate in opposite directions, thereby twisting the cleaning blanket 302, thereby squeezing out the accumulated water in the cleaning blanket 302. Then, the staff continues to drive the mop rack 3 06 moves upward, and then drives the two first spur gears 305 to move with the same working principle. At this time, the left first spur gear 305 moves upward and meshes with the third rack 315, so that the left first spur gear 305 rotates. At the same time, the right first spur gear 305 moves upward and meshes with the fourth rack 317, so that the right first spur gear 305 rotates. At this time, the left first spur gear 305 and the right first spur gear 305 rotate in the opposite direction, so that the two fixing sleeves 304 rotate in the opposite direction, and then the cleaning blanket 302 is twisted and reset, so as to clean the cleaning blanket 302, and then the staff cleans the rainwater splashed on the ground;

[0042] Next, after the staff has finished cleaning the floor, the staff will put the mop rack 306 into the filter box 2, and then twist the cleaning blanket 302 according to the same working principle, so as to squeeze the cleaning blanket 302 after cleaning the floor, and then squeeze out the accumulated water in the cleaning blanket 302. At this time, the accumulated water in the cleaning blanket 302 is filtered through the filter plate 402 and then flows into the water collection box 401. Then, the staff will drive the mop rack 306 to move downward, and then twist the cleaning blanket 302 to reset according to the same working principle. Then, when the two first spur gears 305 move downward and align with the two second spur gears 306, the cleaning blanket 302 is rotated to rotate. 9 meshes, at this time, the two electric push rods 404 start to drive the fifth rack 405 to move, so that the fifth rack 405 meshes with the second spur gear 309, and then the motor 307 starts the output shaft to drive the first transmission shaft 308 to rotate, the first transmission shaft 308 rotates to drive the two second spur gears 309 to rotate, the two second spur gears 309 rotate to drive the two first spur gears 305 to rotate, thereby causing the two fixing sleeves 304 to rotate, the two fixing sleeves 304 rotate to drive the cleaning blanket 302 to rotate, thereby exposing the end of the cleaning blanket 302, and at the same time the right second spur gear 309 rotates to drive the fifth rack 405 to move The fifth rack 405 moves downward, driving the two electric push rods 404 to move, the two electric push rods 404 move and drive the sliding frame 403 to move downward, the sliding frame 403 moves and drives the sixth rack 406 to move, the sixth rack 406 moves and drives the third spur gear 407 to rotate, the third spur gear 407 rotates and drives the fourth spur gear 408 at the rear to rotate, the fourth spur gear 408 at the rear rotates and drives the filter plate 402 at the rear to rotate, the filter plate 402 at the rear rotates and drives the first transmission wheel 409 to rotate, the first transmission wheel 409 rotates and drives the second transmission wheel 411 to rotate through the belt, and the second transmission wheel 411 rotates. The rotation of the wheel 411 drives the second transmission shaft 410 to rotate, the rotation of the second transmission shaft 410 drives the fifth spur gear 412 to rotate, the rotation of the fifth spur gear 412 drives the fourth spur gear 408 in front to rotate, the rotation of the fourth spur gear 408 in front drives the front filter plate 402 to rotate, so that the two filter plates 402 rotate in opposite directions, and the rotation of the front filter plate 402 drives the end of the cleaning blanket 302 to move, and then the end of the cleaning blanket 302 is moved to the front side of the filter box 2, so as to clean the cleaning blanket 302, and filter and collect the accumulated water in the cleaning blanket 302.

[0043] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.

Claims

1. A shopping mall rainwater filtering device based on smart city, comprising a water removal tank (1), a filter box (2) and a limit rod (3); the filter box (2) is fixedly connected to the right side of the water removal tank (1); the limit rod (3) is fixedly connected to the lower part of the filter box (2); the characteristics are: It also includes a water removal unit, a reverse cleaning unit and a filter unit; the water removal unit for removing rainwater is installed on the upper inner side of the water removal box (1); the reverse cleaning unit for cleaning the soles and the ground is installed on the upper inner side of the filter box (2); and the filter unit for filtering after cleaning is installed on the lower inner side of the filter box (2); The water removal unit comprises a guide plate (201), a fixed rod (202), a sliding plate (203), a spring (204), an electric rotating shaft (205), a cam (206), a connecting frame (207) and a scraper (208); the guide plate (201) is fixedly connected to the upper inner portion of the filter box (2); the left and right portions of the guide plate (201) are each slidably connected to a fixed rod (202); the sliding plate (203) is slidably connected to the upper portion between the two fixed rods (202); and the sliding plate (203) and the guide plate (201) are fixedly connected to each other. two springs (204); two electric rotating shafts (205) are installed on the upper inner side of the filter box (2) and above the guide plate (201); a cam (206) is fixedly connected to the rear of each of the two electric rotating shafts (205); both cams (206) are in contact with the sliding plate (203); eight connecting frames (207) are fixedly connected to the left and right upper surfaces of the sliding plate (203) in an equidistant manner in annular shapes, the eight connecting frames (207) form a group, and each of the left and right groups of connecting frames (207) is rotatably connected to eight scrapers (208); The reverse cleaning unit comprises a pull rod (301), a cleaning blanket (302), a connecting rod (303), a fixing sleeve (304), a first spur gear (305), a mop frame (306), a motor (307), a first transmission shaft (308), a second spur gear (309), a first support rod (310), a first rack (311), a second support rod (312), a second rack (313), a third support rod (314), a third rack (315), a fourth support rod (316) and a fourth rack (317). ); a mop rack (306) is slidably connected to the lower inner part of the filter box (2); a connecting rod (303) is fixedly connected to the lower part of the mop rack (306); the left and right parts of the connecting rod (303) are rotatably connected to a fixing sleeve (304); a cleaning blanket (302) is wound around the front of the two fixing sleeves (304); a pull rod (301) is connected to the front end of the cleaning blanket (302); a first straight gear (305) is fixedly connected to the outer annular surface of the two fixing sleeves (304); a motor (307) is installed at the lower right part of the filter box (2); the motor (30 7) The output shaft is fixedly connected to a first transmission shaft (308); the first transmission shaft (308) is rotatably connected to the filter box (2); a second spur gear (309) is fixedly connected to the left and right parts of the first transmission shaft (308); the two second spur gears (309) are each meshed with a first spur gear (305); two first support rods (310) are fixedly connected to the left part of the inner side of the filter box (2); the right ends of the two first support rods (310) are fixedly connected to a first rack (311); the right part of the inner side of the filter box (2) is fixedly connected to two second support rods (311); rod (312); the left ends of the two second support rods (312) are fixedly connected to a second rack (313); two third support rods (314) are fixedly connected to the left portion of the inner side of the filter box (2) and located above the two first support rods (310); the right ends of the two third support rods (314) are fixedly connected to a third rack (315); the right ends of the two third support rods (314) are fixedly connected to the right portion of the inner side of the filter box (2) and located above the two second support rods (312); and the left ends of the two fourth support rods (316) are fixedly connected to a fourth rack (317).

2. According to the smart city-based shopping mall rainwater filtration equipment according to claim 1, it is characterized in that: The outer ring surface of the limiting rod (3) is provided with a protrusion.

3. According to the smart city-based shopping mall rainwater filtration equipment of claim 1, it is characterized by: A torsion spring (204) is provided at the connection between the scraper (208) and the connecting frame (207) for resetting the scraper (208).

4. According to the smart city-based shopping mall rainwater filtration equipment of claim 1, it is characterized by: The top of the scraper (208) is arranged in a cone shape, and is used to smooth the umbrella cloth in the umbrella and scrape off the rainwater on the umbrella cloth.

5. According to the smart city-based shopping mall rainwater filtration equipment of claim 1, it is characterized by: The facing sides of the eight scrapers (208) are all cut into bevels.

6. A rainwater filtration device for shopping malls based on smart cities according to claim 5, characterized in that: The pull rod (301) is detachable.

7. A rainwater filtration device for shopping malls based on smart cities according to claim 6, characterized in that: The filter unit comprises a water collecting box (401), a filter plate (402), a sliding frame (403), an electric push rod (404), a fifth rack (405), a sixth rack (406), a third spur gear (407), a fourth spur gear (408), a first transmission wheel (409), a second transmission shaft (410), a second transmission wheel (411) and a fifth spur gear (412); the lower inner part of the filter box (2) is fixedly connected to the water collecting box (401); the upper part of the water collecting box (401) is rotatably connected to two filter plates (402); the right inner part of the filter box (2) is slidably connected to the sliding frame (403); the left part of the sliding frame (403) is fixedly connected to two electric push rods (404); the telescopic parts of the two electric push rods (404) are fixedly connected to the fifth rack (405); the right part of the sliding frame (403) is fixedly connected to the sixth rack (406); the water collecting box (40 1) The right part is rotatably connected to a third spur gear (407) via a rotating shaft; the sixth rack (406) is meshed with the third spur gear (407); the right parts of the two filter plates (402) are each fixedly connected to a fourth spur gear (408); the fourth spur gear (408) at the rear is meshed with the third spur gear (407); the first transmission wheel (409) is fixedly connected to the right part of the filter plate (402) at the rear and located to the right of the fourth spur gear (408); the right part of the water collecting tank (401) is rotatably connected to a second transmission shaft (410); the right part of the second transmission shaft (410) is fixedly connected to a second transmission wheel (411); the second transmission wheel (411) is transmission-connected to the first transmission wheel (409) via a belt; the left part of the second transmission shaft (410) is fixedly connected to a fifth spur gear (412); the fifth spur gear (412) is meshed with the fourth spur gear (408) at the front.

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