CN113529907B

CN113529907B - Rainwater recovery device with anti-blocking function

Info

Publication number: CN113529907B
Application number: CN202110864153.0A
Authority: CN
Inventors: 李明建; 陈松; 沈耀忠
Original assignee: Jiangyin Chengxiangxin Construction Co ltd
Current assignee: Jiangyin Chengxiangxin Construction Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-10-28
Anticipated expiration: 2041-07-29
Also published as: CN113529907A

Abstract

The invention discloses a rainwater recovery device with an anti-blocking function, wherein a working cavity is formed in a shell, a cylinder is fixedly arranged at the top of the working cavity, a first filter cavity is formed in the cylinder, a first filter module is fixedly arranged in the first filter cavity, a filter box is fixedly arranged below the cylinder, a second filter cavity is formed in the filter box, the first filter cavity is communicated with the second filter cavity through a first conveying pipeline, the second filter module is fixedly arranged in the second filter cavity, the first filter module is connected with the second filter module through a control module, a collecting box is fixedly arranged on one side of the filter box, the collecting box is communicated with the second filter cavity through a second conveying pipeline, and the collecting box is communicated with the first filter cavity through a third conveying pipeline. The large particle impurity of tentatively filtering through first filtration module in the rainwater filters the tiny granule of rainwater by the second filtration module again, makes the rainwater reach recycle's standard, and the practicality is stronger.

Description

Rainwater recovery device with anti-blocking function

Technical Field

The invention relates to the technical field of municipal construction, in particular to a rainwater recycling device with an anti-blocking function.

Background

With the continuous development of social economy, the requirements of people on living environment are higher and higher, so that the municipal engineering construction is more and more popularized. In order to increase urban greening, a certain amount of greening plants, such as flowers, plants, trees and the like, are usually planted on two sides of a traffic road, and are watered regularly to ensure the healthy growth of the greening plants, so that a large amount of water resources are consumed in the process. In order to save water, the rainwater can be collected to be used as greening spraying and greening irrigation water, but solid impurities such as sludge and branches can be brought into the rainwater collection device by the rainwater to wash the ground, so that the rainwater collection device is blocked, and the rainwater recovery is further influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing the rainwater recovery device with the anti-blocking function, large-particle impurities in rainwater are preliminarily filtered by the first filtering module, and fine particles in the rainwater are filtered by the second filtering module, so that the rainwater reaches the standard of recycling, and the rainwater recovery device is high in practicability.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a rainwater recovery unit with prevent stifled function, which comprises a housin, the drum, the rose box, the collecting box, the water storage chamber, first filtration module, the second filters the module, a control module, first pipeline, the second pipeline, third pipeline and fourth pipeline, the working chamber has been seted up in the casing, the drum sets firmly in the working chamber top, first filtration chamber has been seted up in the drum, first filtration module sets firmly in first filtration intracavity, the rose box has set firmly below the drum, the second filtration chamber has been seted up in the rose box, and first filtration chamber is through first pipeline and second filtration chamber intercommunication, second filtration module sets firmly in the second filtration chamber, first filtration module passes through control module and is connected with second filtration module, one side of rose box has set firmly the collecting box, the collecting box passes through second pipeline and second filtration chamber intercommunication, and the collecting box passes through third pipeline and first filtration chamber intercommunication, the storage water tank sets firmly in the working chamber bottom, the storage water tank passes through fourth pipeline and second filtration chamber intercommunication.

In a preferred technical scheme of the invention, the first filtering module comprises a roller, a filter screen, a partition plate, a driving motor, a first one-way valve and a liquid injection module, the roller is rotatably arranged in the first filtering cavity, the driving motor is fixedly arranged on the side wall of the shell, the power output end of the driving motor is fixedly connected with the roller, more than two partition plates are uniformly and circumferentially fixedly arranged on the side wall of the roller, a first through hole communicated with the first filtering cavity is formed in the bottom of the cylinder, the filter screen is fixedly arranged in the first through hole, the first conveying pipeline is communicated with the first through hole, a second through hole is formed in one side of the cylinder, the third conveying pipeline is communicated with the second through hole, a cleaning cavity is formed in the roller, the liquid injection module is fixedly arranged in the cleaning cavity, a liquid injection hole communicated with the cleaning cavity is further formed in one end, close to the driving motor, of the roller, the first one-way valve is fixedly arranged in the liquid injection hole, and a water inlet hole is further formed in the top of the cylinder.

In a preferred technical scheme of the invention, the liquid injection module comprises a push plate, a threaded shaft, a second one-way valve, a ratchet gear, a first rotating gear, a pawl, a pressing handle, a first compression spring, an L-shaped rod, a rotating rod and a second compression spring, a liquid discharge hole communicated with the cleaning cavity is formed in the side surface of the roller, the second one-way valve is fixedly arranged in the liquid discharge hole, the push plate is slidably arranged in the cleaning cavity, one end of the threaded shaft is in threaded connection with the push plate, the other end of the threaded shaft extends into the working cavity and is fixedly connected with the ratchet gear, a pressing groove communicated with the working cavity is formed in the top of the shell, the pressing handle is connected with the bottom wall of the pressing groove through the first compression spring, the bottom end of the pressing handle extends into the working cavity and is meshed with the first rotating gear, the first rotating gear is rotatably arranged on the side wall of the working cavity, the pawl is fixedly arranged on the side surface of the first rotating gear, the L-shaped rod is rotatably arranged on the side wall of the working cavity through the rotating rod, one end of the L-shaped rod is clamped with the ratchet gear, and the L-shaped rod is connected with the top wall of the working cavity through the second compression spring.

In a preferred technical scheme of the invention, the second filtering module comprises a conical filtering plate, a mud scraping plate, a first rotating shaft, a first driving wheel, a second driving wheel, a sewage discharge pipeline, a first belt, a turbofan, a first bevel gear, a supporting plate, a second rotating shaft and a third rotating shaft, the conical filtering plate is fixedly arranged on the side wall of the second filtering cavity, the first rotating shaft is rotatably arranged on the top wall of the second filtering cavity, more than two mud scraping plates are uniformly and circumferentially and fixedly arranged on the side wall of the first rotating shaft, the other end of the first rotating shaft extends to the upper part of the filtering box and is fixedly connected with the first driving wheel, a third through hole communicated with the second filtering cavity is formed in the lower part of the filtering box, a driving cavity is formed in the third through hole, the second filtering cavity is communicated with the driving cavity through the third through hole, the turbofan is rotatably arranged in the driving cavity, one end of the second rotating shaft is fixedly connected with the turbofan, the other end of the second rotating shaft extends to one side of the filtering box and is fixedly connected with the first bevel gear, the supporting plate is fixedly arranged on one side of the filtering box, the supporting plate is rotatably arranged on one side of the supporting plate, the third rotating shaft is fixedly arranged on the bottom of the third rotating shaft, the gear is meshed with the first rotating shaft, the conical belt, the top of the conical filtering module is fixedly arranged in the second rotating shaft, the top of the second filtering module, the second filtering plate, the second rotating shaft, the second filtering module is fixedly arranged in the second rotating shaft, the second filtering module, the second filtering plate, the sewage discharge pipeline, the second rotating shaft, the drain discharge pipeline, and the drain discharging module is fixedly arranged in the drain discharge pipeline, and is fixedly arranged in the second rotating shaft, and is fixedly arranged in the top of the second rotating shaft, and the second rotating shaft, the drain discharging module.

In a preferred technical scheme of the invention, the control module comprises a third driving wheel, a fourth driving wheel, a second belt, a fourth rotating shaft, a rotating block and a T-shaped rod, the third driving wheel is fixedly arranged at a free end of the second rotating shaft, the fourth driving wheel is rotatably arranged on the side wall of the working chamber through the fourth rotating shaft, the fourth driving wheel is connected with the third driving wheel through the second belt, the rotating block is fixedly arranged on the fourth rotating shaft and is positioned right below the L-shaped rod, a limit groove is formed in the side surface of the rotating block, and the T-shaped rod is slidably arranged in the limit groove.

In a preferred technical scheme of the invention, the automatic door opening module comprises a floating plate, a connecting block, a connecting rod, a wedge block, a main push rod, an auxiliary push rod, a third compression spring and a door plate, wherein the floating plate is sleeved on the first rotating shaft, the connecting block is hinged with the floating plate through the connecting rod, a first chute is formed in one side of the second filter cavity, the wedge block is arranged in the first chute in a sliding manner, one end of the wedge block extends into the second filter cavity and is fixedly connected with the connecting block, a second chute is formed in the side wall of the third through hole, the door plate is arranged in the second chute in a sliding manner, the door plate is connected with the side wall of the second chute through the third compression spring, the first chute is communicated with the third through hole, the main push rod is arranged at one end of the fourth through hole in a sliding manner, the main push rod extends into the first chute and abuts against the inclined surface of the wedge block, the auxiliary push rod is arranged at the other end of the fourth through hole in a sliding manner, and the auxiliary push rod extends into the third through hole and abuts against the door plate.

The invention has the beneficial effects that:

1. separate first filter chamber for the same part of a plurality of through setting up the baffle, the during operation, driving motor drives the roller and slowly rotates, and the roller rotates and drives the baffle and rotate thereupon, makes the rainwater filter via the filter screen in the first through-hole, and the rainwater after the filtration is gone into in the rose box by first pipeline, and the baffle rotation can strike off the impurity on filter screen surface simultaneously to carry to the second through-hole and go into in the collecting box by the third pipeline, thereby filter the large granule impurity of rainwater, prevent that the filter residue from blockking up the filter screen.

2. In the use process, the roller rotates to drive the push plate to rotate, so that the push plate moves rightwards along the cleaning cavity under the action of the threaded shaft, a flocculating agent is discharged into the second filtering cavity from the liquid discharge hole, impurities in rainwater are condensed into large particles and settled, and the large particles are conveyed into the collecting box by the partition plate, so that the filter screen is prevented from being blocked by the particles; when the second filter module blocks up, break away from the joint state with L shape pole and ratchet through control module, the threaded shaft breaks away from the constraint this moment, follows the push pedal and rotates to stop to the second filter intracavity injection flocculating agent.

3. Through setting up the toper filter plate for impurity is piled up in toper filter plate middle part under the action of gravity, avoids blockking up the toper filter plate, can improve the life of filter plate, utilizes rivers to promote the turbine simultaneously and rotates, and then the mud on control mud scraping plate striking off toper filter plate surface, has practiced thrift the electric energy.

Drawings

Fig. 1 is a schematic structural diagram of a rainwater recycling device with an anti-blocking function according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

fig. 4 is a cross-sectional view in the direction C-C in fig. 2.

In the figure:

1. a housing; 2. a cylinder; 3. a filter box; 4. a collection box; 5. a water storage tank; 6. a first filtration module; 601. a roller; 602. a filter screen; 603. a partition plate; 604. a drive motor; 605. cleaning the cavity; 606. a first check valve; 607. a liquid injection module; 6071. pushing a plate; 6072. a threaded shaft; 6073. a second one-way valve; 6074. a ratchet gear; 6075. a first rotating gear; 6076. a pawl; 6077. pressing the handle; 6078. a first compression spring; 6079. a drain hole; 60710. pressing the groove; 60711. an L-shaped rod; 60712. a rotating rod; 60713. a second compression spring; 608. a first through hole; 609. a second through hole; 610. a liquid adding hole; 611. a water inlet hole; 7. a second filtration module; 701. a conical filter plate; 702. a mud scraper; 703. a first rotating shaft; 704. a first drive pulley; 705. a second transmission wheel; 706. a blowdown line; 707. a first belt; 708. a turbofan; 709. a first bevel gear; 710. a second bevel gear; 711. a support plate; 712. a second rotating shaft; 713. a third rotating shaft; 714. a third through hole; 715. a transmission cavity; 8. a control module; 801. a third transmission wheel; 802. a fourth transmission wheel; 803. a second belt; 804. a fourth rotating shaft; 805. rotating the block; 806. a T-shaped rod; 807. a limiting groove; 9. a first delivery conduit; 10. a second delivery conduit; 11. a third delivery conduit; 12. a fourth delivery conduit; 13. a working chamber; 14. a first filter chamber; 15. a second filter chamber; 16. an automatic door opening module; 161. a floating plate; 162. connecting blocks; 163. a connecting rod; 164. a wedge block; 165. a main push rod; 166. an auxiliary push rod; 167. a third compression spring; 168. a door panel; 169. a first chute; 1610. a second chute; 1611. and a fourth via.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-4, an embodiment provides a rainwater recycling device with an anti-blocking function, which includes a housing 1, a cylinder 2, a filtering tank 3, a collecting tank 4, a water storage chamber 5, a first filtering module 6, a second filtering module 7, a control module 8, a first conveying pipeline 9, a second conveying pipeline 10, a third conveying pipeline 11 and a fourth conveying pipeline 12, wherein a working chamber 13 is formed in the housing 1, the cylinder 2 is fixedly disposed at the top of the working chamber 13, a first filtering chamber 14 is formed in the cylinder 2, the first filtering module 6 is fixedly disposed in the first filtering chamber 14, the filtering tank 3 is fixedly disposed below the cylinder 2, a second filtering chamber 15 is formed in the filtering tank 3, the first filtering chamber 14 is communicated with the second filtering chamber 15 through the first conveying pipeline 9, the second filtering module 7 is fixedly disposed in the second filtering chamber 15, the first filtering module 6 is connected with the second filtering module 7 through the control module 8, the collecting tank 4 is fixedly disposed on one side of the filtering tank 3, the collecting tank 4 is communicated with the second filtering chamber 15 through the second conveying pipeline 10, the third filtering chamber 4 is communicated with the collecting tank 12, and the fourth filtering chamber 12 is communicated with the collecting tank 5. In this embodiment, the first filtering chamber 14 is a cylindrical cavity, and during operation, rainwater enters the first filtering chamber 14 through the water inlet 611, rainwater is primarily filtered through the first filtering module 6, large-particle impurities in rainwater are removed, filtered rainwater is discharged into the filtering box 3 through the first conveying pipeline 9, meanwhile, filter residues are discharged into the collecting box 4 through the third conveying pipeline 11 and collected, rainwater subjected to primary filtering is secondarily filtered through the second filtering module 7 in the second filtering chamber 15, small-particle impurities in rainwater are removed, further rainwater reaches a recycling standard cone, the qualified rainwater is discharged into the water storage tank 5 through the fourth conveying pipeline 12 and stored, filter residues obtained by secondary filtering are discharged into the collecting box 4 through the third conveying pipeline 714 and stored, an operator can conveniently treat the filter residues, and environmental pollution caused by random discharge of the filter residues is avoided.

Specifically, the first filtering module 6 includes a roller 601, a filter screen 602, a partition 603, a driving motor 604, a first one-way valve 606 and a liquid injection module 607, the roller 601 is rotatably disposed in the first filtering chamber 14, the driving motor 604 is fixedly disposed on a side wall of the housing 1, a power output end of the driving motor 604 is fixedly connected to the roller 601, more than two partitions 603 are circumferentially and uniformly fixedly disposed on the side wall of the roller 601, a first through hole 608 communicating with the first filtering chamber 14 is disposed at a bottom of the cylinder 2, the filter screen 602 is fixedly disposed in the first through hole 608, a first conveying pipeline 9 is communicated with the first through hole 608, a second through hole 609 is disposed at one side of the cylinder 2, a third conveying pipeline 11 is communicated with the second through hole 609, a cleaning chamber is disposed inside the roller 601, the liquid injection module 607 is fixedly disposed in the cleaning chamber 605, a liquid injection hole 610 communicating with the cleaning chamber 605 is further disposed at one end of the roller 601 close to the driving motor 604, the first one-way valve 606 is fixedly disposed in the liquid injection hole 610, and a water inlet hole 611 is further disposed at a top of the cylinder 2. The first filtering cavity 14 is divided into a plurality of parts with the same size through the partition boards 603, when the rainwater treatment device works, the driving motor 604 drives the rollers 601 to rotate, the rollers 601 rotate to drive the partition boards 603 to rotate, then the partition boards 603 drive rainwater to rotate in the first filtering cavity 14, when the rainwater rotates to the position right below the rollers 601, the rainwater is primarily filtered by the filter screen 602 in the first through hole 608, large-particle impurities in the rainwater are removed, meanwhile, the rollers 601 rotate to drive the liquid injection module 607 to inject a flocculating agent into the first filtering cavity 14, so that the impurities in the rainwater are condensed into large particles and settled, and the sewage treatment efficiency is further improved; after the filtering is completed, the roller 601 rotates to drive the partition plate 603 to scrape off the filter residues on the surface of the filter screen 602 and the filter residues obtained by sedimentation, and the filter residues are conveyed to the second through hole 609 and discharged into the collection box 4 through the third conveying pipeline 11 for collection, so that the filter screen 602 is prevented from being blocked by the filter residues, and the filtering efficiency is prevented from being influenced.

Specifically, the liquid injection module 607 includes a push plate 6071, a threaded shaft 6072, a second check valve 6073, a ratchet gear 6074, a first rotation gear 6075, a pawl 6076, a pressing handle 6077, a first compression spring 6078, an L-shaped lever 60711, a rotation lever 60712, and a second compression spring 60713, wherein a liquid discharge hole 6079 is formed in a side surface of the roller 601 and communicates with the cleaning chamber 605, the second check valve 6076 is fixedly disposed in the liquid discharge hole 6079, the push plate 6071 is slidably disposed in the cleaning chamber 605, one end of the threaded shaft 6072 is threadedly coupled to the push plate 6071, the other end of the threaded shaft 6072 extends into the working chamber 13 and is fixedly coupled to the ratchet gear 6074, a pressing groove 60710 is formed in a top portion of the housing 1 and communicates with the working chamber 13, the pressing handle 6077 is coupled to a bottom wall of the pressing groove 60710 through the first compression spring 6078, a bottom end of the pressing handle 6077 extends into the working chamber 13 and is engaged with the first rotation gear 6075, the first rotation gear 75 is rotatably disposed in a side wall of the working chamber 13, the pawl 6076 is fixedly disposed on the side surface of the first rotation lever 6075, the side surface of the working chamber 6075, and is coupled to the top wall of the working chamber 6013 through the L-shaped lever 60606013, and the L-shaped lever 6060606075, and the end of the lever 606060606060606013 is coupled to the second compression spring 6060606060606060606060606013. In an initial state, the L-shaped rod 60711 is abutted to the tooth socket of the ratchet gear 6074 under the action of the second compression spring 60712 to clamp the ratchet gear 6074, during operation, when the roller 601 rotates, the roller 601 drives the push plate 6071 to synchronously rotate, the ratchet gear 6074 is clamped and cannot rotate along with the roller 601, at this time, under the action of the threaded shaft 6072, the push plate 6071 moves rightwards along the cleaning cavity 605, the push plate 6071 moves rightwards to extrude the cleaning cavity 605 and open the liquid discharge hole 6079 by overcoming the pressure of the second one-way valve 6073, so that the flocculant is discharged into the first filter cavity 14 from the liquid discharge hole 6079, when the flocculant in the cleaning cavity 605 is used up, the external flocculant box is connected to the liquid adding hole 610, at this time, the handle 6078 is pressed downwards to press the handle 6078, the first rotation gear 6075 is driven to rotate by the downward movement of the handle 6078, the ratchet gear 6074 is driven by the ratchet 6074, the ratchet gear 6072 drives the threaded shaft 6072 to rotate, further the push plate 6078 to move, and the flocculant in the external box is sucked into the cleaning cavity 605 leftwards to complete the cleaning process.

Specifically, the second filter module 7 includes a conical filter plate 701, a mud scraper 702, a first rotating shaft 703, a first driving wheel 704, a second driving wheel 705, a sewage pipe 706, a first belt 707, a turbofan 708, a first bevel gear 709, a second bevel gear 710, a support plate 711, a second rotating shaft 712 and a third rotating shaft 713, the conical filter plate 701 is fixedly disposed on the sidewall of the second filter cavity 15, the first rotating shaft 703 is rotatably disposed on the top wall of the second filter cavity 15, more than two mud scrapers 702 are uniformly circumferentially disposed on the sidewall of the first rotating shaft 703, the other end of the first rotating shaft 703 extends to the upper side of the filter box 3 and is fixedly connected with the first driving wheel 704, a third through hole 714 communicated with the second filter cavity 15 is disposed below the filter box 3, a driving cavity 715 is disposed in the third through hole 714, the turbofan 708 is rotatably disposed in the transmission cavity 715, one end of the second rotating shaft 712 is fixedly connected to the turbofan 708, the other end of the second rotating shaft 712 extends to one side of the filter box 3 and is fixedly connected to the first bevel gear 709, the support plate 711 is fixedly disposed at one side of the filter box 3, the third rotating shaft 713 is rotatably disposed on the support plate 711, the second bevel gear 710 is fixedly disposed at the bottom end of the third rotating shaft 713, the second bevel gear 710 is meshed with the first bevel gear 709, the second driving wheel 705 is fixedly disposed at the top of the third rotating shaft 713, the second driving wheel 705 is connected to the first driving wheel 704 through the first belt 707, one end of the sewage discharge pipe 706 is fixedly disposed at the bottom of the conical filter plate 701, the other end of the sewage discharge pipe 706 is fixedly disposed in the third through hole 714, and the automatic door opening module 16 is further disposed in the second filter cavity 15. After rainwater subjected to primary filtration enters the second filter cavity 15, the rainwater is subjected to secondary filtration under the action of the conical filter plate 701, small particle impurities in the rainwater slide along the inclined surface of the conical filter plate 701 under the action of gravity and fall to the center of the conical filter plate 701 to be accumulated, when the conical filter plate 701 is blocked, the water level in the second filter cavity 15 rises, so that the automatic door opening module 16 is opened, at the moment, the rainwater is discharged out of the second filter cavity 15 through the third through hole 714, in the rainwater discharging process, the turbofan 708 is driven to rotate, the turbofan 708 drives the first bevel gear 709 to rotate through the second rotating shaft 712, the first bevel gear 709 drives the second driving wheel 705 to rotate through the third rotating shaft 713, the second driving wheel 705 drives the first driving wheel 704 to rotate through the first rotating shaft 703, the mud scraping plate 702 is driven to rotate through the first rotating shaft 703, and the mud on the surface of the conical filter plate 701 is scraped, so that the fallen mud flows into the third through hole 714 and is discharged out of the second filter cavity 15.

Specifically, the control module 8 includes a third driving wheel 801, a fourth driving wheel 802, a second belt 803, a fourth rotating shaft 804, a rotating block 805 and a T-shaped rod 806, the third driving wheel 801 is fixedly disposed at a free end of the second rotating shaft 712, the fourth driving wheel 802 is rotatably disposed on a side wall of the working chamber 13 through the fourth rotating shaft 804, the fourth driving wheel 802 is connected with the third driving wheel 801 through the second belt 803, the rotating block 805 is fixedly disposed on the fourth rotating shaft 804, the rotating block 805 is located right below the L-shaped rod 60711, a limiting groove 807 is formed in a side surface of the rotating block 805, and the T-shaped rod 806 is slidably disposed in the limiting groove 807. The turbofan 708 rotates to drive the third transmission wheel 801 to rotate through the second rotating shaft 712, the third transmission wheel 801 drives the fourth transmission wheel 802 to rotate through the second belt 803, the fourth transmission wheel 802 rotates to drive the fourth rotating shaft 804 to rotate, the fourth rotating shaft 804 rotates to drive the rotating block 805 to rotate, the T-shaped rod 806 slides outwards along the limiting groove 807 under the action of centrifugal force, the T-shaped rod 806 stirs the L-shaped rod 60711, the L-shaped rod 60711 is separated from the ratchet 6074, the ratchet 6074 and the threaded rod 6072 can rotate along with the roller 601, at the moment, the push plate 6071 stops sliding rightwards, and a flocculating agent is not extruded into the first filter cavity 14 any more.

Specifically, the automatic door opening module 16 includes a floating plate 161, a connecting block 162, a connecting rod 163, a wedge block 164, a main push rod 165, an auxiliary push rod 166, a third compression spring 167, and a door panel 168, the floating plate 161 is sleeved on the first rotating shaft 703, the connecting block 162 is hinged to the floating plate 161 through the connecting rod 163, a first sliding slot 169 is formed in one side of the second filter cavity 15, the wedge block 164 is slidably disposed in the first sliding slot 169, one end of the wedge block 164 extends into the second filter cavity 15 and is fixedly connected to the connecting block 162, a second sliding slot 1610 is formed in a side wall of the third through hole 714, the door panel 168 is slidably disposed in the second sliding slot 1610, the door panel 168 is connected to a side wall of the second sliding slot 1610 through the third compression spring 167, the first sliding slot 169 is communicated with the third through hole 714 through the fourth through hole 1611, the main push rod 165 is slidably disposed at one end of the fourth through hole 1611, the main push rod 165 extends into the first sliding slot 169 and is inclined with the wedge block 164, the auxiliary push rod 166 is slidably disposed at the other end of the fourth through hole 1611, and the auxiliary push rod 166 is extended to be abutted to the door panel 168. When the water level in the second filter cavity 15 rises, the floating plate 161 slides upwards along the first rotating shaft 703, the floating plate 161 moves upwards to push the connecting block 162 to move leftwards through the connecting rod 163, the connecting block 162 moves leftwards to drive the wedge block 164 to slide along the first sliding groove 169, the wedge block 169 slides to press the main push rod 165, so that the main push rod 165 slides along the fourth through hole 1611, the main push rod 165 drives the auxiliary push rod 166 to press the door panel 168, the door panel 168 slides into the second sliding groove 1610 and presses the third compression spring 167, the third through hole 714 is opened, filter residues can be discharged into the collection box 4 through the third through hole 714, and the phenomenon that the filter residues are accumulated above the conical filter screen 701 to cause the blockage of the filter screen is avoided.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a rainwater recovery unit with prevent stifled function which characterized in that: comprises a shell (1), a cylinder (2), a filter box (3), a collecting box (4), a water storage cavity (5), a first filter module (6), a second filter module (7), a control module (8), a first conveying pipeline (9), a second conveying pipeline (10), a third conveying pipeline (11) and a fourth conveying pipeline (12), a working cavity (13) is arranged in the shell (1), the cylinder (2) is fixedly arranged at the top of the working cavity (13), a first filter cavity (14) is arranged in the cylinder (2), the first filter module (6) is fixedly arranged in the first filter cavity (14), the filter box (3) is fixedly arranged below the cylinder (2), a second filter cavity (15) is arranged in the filter box (3), the first filter cavity (14) is communicated with the second filter cavity (15) through the first conveying pipeline (9), the second filter module (7) is fixedly arranged in the second filter cavity (15), the first filter module (6) is communicated with the second filter cavity (7) through the control module (8), one side of the second filter box (4) is communicated with the collecting box (4), the second filter cavity (4) is communicated with the collecting box (4) through the second conveying pipeline (14), the water storage tank (5) is fixedly arranged at the bottom of the working cavity (13), and the water storage tank (5) is communicated with the second filtering cavity (15) through a fourth conveying pipeline (12);

the first filtering module (6) comprises a roller (601), a filtering net (602), a partition plate (603), a driving motor (604), a first one-way valve (606) and a liquid injection module (607), the roller (601) is rotatably arranged in the first filtering cavity (14), the driving motor (604) is fixedly arranged on the side wall of the shell (1), the power output end of the driving motor (604) is fixedly connected with the roller (601), more than two partition plates (603) are uniformly and fixedly arranged on the side wall of the roller (601) along the circumferential direction, the bottom of the cylinder (2) is provided with a first through hole (608) communicated with the first filter cavity (14), the filter screen (602) is fixedly arranged in the first through hole (608), the first conveying pipeline (9) is communicated with the first through hole (608), one side of the cylinder (2) is provided with a second through hole (609), the third conveying pipeline (11) is communicated with the second through hole (609), a cleaning cavity (605) is formed in the roller (601), the liquid injection module (607) is fixedly arranged in the cleaning cavity (605), a liquid injection hole (610) communicated with the cleaning cavity (605) is further formed in one end, close to the driving motor (604), of the roller (601), the first one-way valve (606) is fixedly arranged in the liquid injection hole (610), and a water inlet hole (611) is further formed in the top of the cylinder (2);

the liquid injection module (607) comprises a push plate (6071), a threaded shaft (6072), a second one-way valve (6073), a ratchet gear (6074), a first rotating gear (6075), a pawl (6076), a pressing handle (6077), a first compression spring (6078), an L-shaped rod (60711), a rotating rod (60712) and a second compression spring (60713), wherein a liquid discharge hole (6079) communicated with the cleaning cavity (605) is formed in the side surface of the roller (601), the second one-way valve (6073) is fixedly arranged in the liquid discharge hole (6079), the push plate (6071) is slidably arranged in the cleaning cavity (605), one end of the threaded shaft (6072) is in threaded connection with the push plate (6071), the other end of the threaded shaft (6072) extends into the working cavity (13) and is fixedly connected with the ratchet gear (6074), a pressing groove (60710) communicated with the working cavity (13) is formed in the top of the casing (1), the pressing handle (6077) is connected with the pressing groove (6074) through the first compression spring (6078), the bottom end of the pressing handle (6077) is fixedly arranged on the side wall of the working cavity (6075), the rotating gear (6075), and the rotating rod (6075) is arranged on the side wall of the rotating gear (6075), one end of the L-shaped rod (60711) is clamped with the ratchet wheel (6074), and the L-shaped rod (60711) is connected with the top wall of the working cavity (13) through a second compression spring (60713);

the second filtering module (7) comprises a conical filtering plate (701), a mud scraping plate (702), a first rotating shaft (703), a first driving wheel (704), a second driving wheel (705), a sewage pipeline (706), a first belt (707), a turbofan (708), a first bevel gear (709), a second bevel gear (710), a supporting plate (711), a second rotating shaft (712) and a third rotating shaft (713), the conical filtering plate (701) is fixedly arranged on the side wall of the second filtering cavity (15), the first rotating shaft (703) is rotatably arranged on the top wall of the second filtering cavity (15), more than two mud scraping plates (702) are uniformly and fixedly arranged on the side wall of the first rotating shaft (703) in the circumferential direction, the other end of the first rotating shaft (703) extends to the upper part of the filtering box (3) to be fixedly connected with the first driving wheel (704), a third through hole (714) communicated with the second filtering cavity (15) is formed in the lower part of the filtering box (3), a driving cavity (715) is formed in the third through hole (714), the turbofan (708) is rotatably arranged in the driving cavity (708), one end of the second rotating shaft (712) is fixedly connected with the second rotating shaft (712), one side of the filtering box (712), one side of the second rotating shaft (712) is fixedly connected with the first rotating shaft (712), one side of the filtering box (711), the third rotating shaft (713) is rotatably arranged on the supporting plate (711), the second bevel gear (710) is fixedly arranged at the bottom end of the third rotating shaft (713), the second bevel gear (710) is meshed with the first bevel gear (709), the second driving wheel (705) is fixedly arranged at the top of the third rotating shaft (713), the second driving wheel (705) is connected with the first driving wheel (704) through a first belt (707), one end of the sewage discharge pipeline (706) is fixedly arranged at the bottom of the conical filter plate (701), the other end of the sewage discharge pipeline (706) is fixedly arranged in the third through hole (714), and the second filter cavity (15) is internally provided with an automatic door opening module (16).

2. A rainwater recovery device with an anti-blocking function according to claim 1, wherein: control module (8) include third drive wheel (801), fourth drive wheel (802), second belt (803), fourth pivot (804), commentaries on classics piece (805) and T shape pole (806), third drive wheel (801) set firmly in the free end of second pivot (712), fourth drive wheel (802) through fourth pivot (804) rotate set up in working chamber (13) lateral wall, and fourth drive wheel (802) are connected with third drive wheel (801) through second belt (803), change piece (805) set firmly on fourth pivot (804), and change piece (805) are located under L shape pole (60711), spacing groove (807) have been seted up to change piece (805) side, and T shape pole (806) slide and set up in spacing groove (807).

3. A rainwater recovery device with an anti-blocking function according to claim 1, wherein: the automatic door opening module (16) comprises a floating plate (161), a connecting block (162), a connecting rod (163), a wedge-shaped block (164), a main push rod (165), an auxiliary push rod (166), a third compression spring (167) and a door plate (168), the floating plate (161) is sleeved on the first rotating shaft (703), the connecting block (162) is hinged to the floating plate (161) through the connecting rod (163), a first sliding groove (169) is formed in one side of the second filtering cavity (15), the wedge-shaped block (164) is arranged in the first sliding groove (169) in a sliding mode, one end of the wedge-shaped block (164) extends into the second filtering cavity (15) and is fixedly connected with the connecting block (162), a second sliding groove (1610) is formed in the side wall of the third through hole (714), the door plate (168) is arranged in the second sliding groove (1610) in a sliding mode, the door plate (168) is connected with the side wall of the second sliding groove (1610) through the third compression spring (167), the first sliding groove (169) is communicated with the third through a third through hole (1611), the main push rod (165) is connected with the side wall of the auxiliary push rod (166), the sliding groove (164), and the other end of the sliding groove (714) is connected with the fourth through the sliding groove (164), and the auxiliary push rod (166) extends into the third through hole (714) to be abutted with the door panel (168).