Environment-friendly building rainwater collecting device

Abstract

The invention relates to an environment-friendly green building rainwater collecting device which comprises a collecting box, a filtering assembly, a cleaning assembly and a lifting floating assembly, the collecting box comprises a left cavity, a right cavity and a lower cavity, a rainwater pipeline is arranged at the top of the left cavity, the filtering assembly is arranged in the left cavity, and the cleaning assembly is arranged in the right cavity. The lower cavity is arranged below the left cavity and the right cavity, the right cavity is communicated with the lower cavity through a flow guide pipe, intermittent opening and closing of the double-head water pump are controlled through the controller, water balance between the right cavity and the lower cavity is adjusted, and therefore the floating body is driven to drive the inner screw rod through the transmission assembly to enable the cleaning block to move left and right; the filter screen is cleaned back and forth through the cleaning rod. According to the environment-friendly rainwater collection device for the green building, effective collection, storage and utilization of rainwater resources are achieved through the steps of rainwater collection, water volume monitoring, water volume dynamic adjustment, filter screen cleaning, rainwater utilization, automatic control and the like.

Description

Technical Field

[0001] The invention relates to the technical field of green building rainwater collection, and in particular to an environmentally friendly green building rainwater collection device. Background Art

[0002] Rainwater collection, in full, should be called "rainwater collection and utilization system", which refers to the collection and utilization of rainfall runoff collected from hardened surfaces such as roofs of buildings, roads, and squares, and the accumulation of rainwater through channels such as collection, water transmission, water purification, and storage, and the collection of rainwater for greening, landscape water bodies, washing, and groundwater sources to provide rainwater replenishment, so as to achieve the purpose of comprehensive utilization of rainwater resources and water conservation. It has a wide range of significance, such as slowing down urban rainwater floods and groundwater level decline, controlling rainwater runoff pollution, and improving urban ecological environment. Rainwater collection and utilization of buildings, roads, lakes, etc., collect rainwater for green space irrigation, landscape water, or build permeable pavement and use permeable materials for paving, directly increasing the infiltration of rainwater.

[0003] Patent "CN117703009B" discloses a rooftop rainwater collection and utilization structure designed for green buildings. Rainwater in the water tank can flow into the water tank through the water pipe, and the filter can filter the rainwater. Under the action of the filter, leaves, branches and garbage blown to the roof by the wind are separated from the rainwater, and the garbage on the filter can be dumped into the collection box. However, this solution can only tilt large impurities such as leaves into the garbage collection box. After long-term use, the mesh on the filter will be blocked by small impurities, thereby affecting the quality of rainwater filtration and collection. In addition, the device still needs to be cleaned manually regularly, and the filter needs to be removed when cleaning manually. The disassembly and assembly is cumbersome, the efficiency is low, and the maintenance difficulty is increased.

[0004] Based on this, it is necessary to study an environmentally friendly green building rainwater collection device. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide an environmentally friendly green building rainwater collection device, which effectively solves the problem that the existing filter net is easily clogged and has low cleaning efficiency, thereby affecting the rainwater collection rate and quality, resulting in rainwater cannot be collected in a timely and effective manner, causing a waste of rainwater resources.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an environmentally friendly green building rainwater collection device, including a collection box, a filter assembly, a cleaning assembly and a lifting and floating assembly, the collection box including a left chamber, a right chamber and a lower chamber, the top of the left chamber is provided with a rainwater pipe, the interior of the left chamber is provided with a filter assembly, the filter assembly includes parallel filter screens, a drain port is provided below the filter screens, and the drain port is connected to the right chamber; the cleaning assembly includes an inner screw, a positioning rod, a cleaning block and a cleaning rod, the inner screw is arranged between adjacent filter screens in the left chamber, one end of the inner screw is rotatably sleeved in a fixed seat on the inner wall of the left chamber, and the other end extends to the right in a horizontal direction into the right chamber; the positioning rod is arranged in the left chamber and is parallel to the inner screw, and the positioning rod and the inner screw are threadedly sleeved with A cleaning block, wherein cleaning rods are respectively arranged upward and downward on the upper and lower sides of the cleaning block; the lifting and floating assembly comprises a protective shell, a float and a transmission assembly, wherein the protective shell is arranged on the left side inside the right chamber, and the transmission assembly is arranged in the protective shell, and the float floats on the liquid surface in the right chamber and is connected to the transmission assembly; the transmission assembly is also connected to the inner screw for cleaning the filter; the lower chamber is arranged below the left chamber and the right chamber, and the right chamber is connected to the lower chamber through a guide pipe, and the guide pipe is connected to a double-head water pump, and a valve is arranged on the guide pipe; a controller is used to control the intermittent opening and closing of the double-head water pump to adjust the water balance between the right chamber and the lower chamber, thereby driving the float to drive the inner screw through the transmission assembly to move the cleaning block left and right, and the filter is reciprocated by the cleaning rod.

[0007] Furthermore, the transmission assembly includes an upper synchronous wheel, a lower synchronous wheel and a fixed plate. The upper synchronous wheel and the lower synchronous wheel are installed in a protective shell for rotation along a vertical interval, and the upper synchronous wheel and the lower synchronous wheel are matched with belts. The fixed plate is fixedly installed on the belt, and the connecting shaft on its right side is fixed to the float.

[0008] Furthermore, a avoidance groove is vertically opened on the right side wall of the protective shell, and the inner diameter of the avoidance groove is larger than the outer diameter of the connecting shaft on the fixing plate.

[0009] Furthermore, the distal ends of the upper and lower cleaning rods are respectively provided with brushes that contact the upper and lower top surfaces of the filter net.

[0010] Furthermore, a blocking assembly is provided in the protective shell, and the blocking assembly includes a guide rail, a telescopic slide and a connecting rod. The guide rail is vertically fixed to the inner wall of the protective shell and is symmetrically arranged on the front and rear sides of the avoidance groove. The telescopic slide is slidably installed on the guide rail, and the middle part of the telescopic slide is in contact with the avoidance groove; the connecting rod is fixed to the top of the telescopic slide, and the upper end of the connecting rod is fixedly connected to the bottom of the fixed plate by bolts.

[0011] Furthermore, the filter screen can be tilted in the left chamber, and the left chamber is symmetrically provided with card slots, and the left and right sides of the filter screen are fixedly mounted in the card slots, and the left side of the filter screen is tilted downward.

[0012] Furthermore, a slag collecting box is provided on the left side of the collecting box, and a slag dropping opening is provided between the right side of the slag collecting box and the filter screen in the collecting box.

[0013] Furthermore, a cleaning block is threadedly sleeved on the inner screw between adjacent filter screens, and cleaning rods are respectively arranged on the upper and lower sides of the cleaning block, tilted upward and tilted downward, and a brush is arranged at the end of the cleaning rod.

[0014] Furthermore, the cleaning rod includes an inner sleeve rod and an outer sleeve rod, the bottom of the outer sleeve rod is fixed to the cleaning block, the inner sleeve rod is slidably sleeved inside the outer sleeve rod, and the bottom of the inner sleeve rod is fixedly connected to the outer sleeve rod through a top spring, so that the cleaning rod moves left and right to telescope along the inclined path of the filter screen.

[0015] Furthermore, the transmission assembly includes an adjusting link, a transition link, a push-pull link and a guide seat. A guide seat is vertically spaced along the inner wall of the right chamber. An adjusting link is slidably mounted inside the guide seat. The outer side of the adjusting link is fixed to the float. The upper end of the adjusting link is hinged with a transition link. The free end of the transition link is hinged with a push-pull link. The push-pull link extends laterally to the left into the left chamber.

[0016] The beneficial effects of the above technical solution are: the environmentally friendly green building rainwater collection device provided by the present invention monitors the rainwater liquid level in the right chamber in real time through the water level sensor in the right chamber, so that it can accurately sense the water level changes and transmit the water level information to the controller to achieve dynamic adjustment of the water volume in the right chamber and the lower chamber. In this process, the float floats up and down with the rise and fall of the liquid level. This movement is converted into power for the cleaning rod through the transmission assembly, so that it can regularly clean the upper and lower filter screens; the reciprocating movement of the brush on the cleaning rod can effectively remove dirt and impurities on the filter screen, prevent the filter screen from being blocked, and ensure smooth water flow and the cleanliness of rainwater.

[0017] In the system of the present invention, the movement of the float drives the cleaning rod to move back and forth through the transmission assembly, so as to clean the upper and lower filter screens and prevent dirt accumulation from affecting the collection efficiency. This not only ensures the cleanliness of the water quality, but also enhances the disturbance of rainwater through the movement of the float and the repeated dynamic adjustment of the water volume in the two chambers, which helps to prevent the problem of dirt accumulation caused by long-term standing of rainwater.

[0018] This environmentally friendly green building rainwater collection device realizes the effective collection, storage and utilization of rainwater resources through the steps of rainwater collection, water volume monitoring, dynamic water volume adjustment, filter cleaning, rainwater utilization and automatic control. It not only improves the utilization efficiency of water resources, but also reduces environmental pollution and waste, greatly reduces the workload of manual maintenance, and saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of an embodiment of the present invention; Figure 2 It is a schematic diagram of the internal cross-sectional structure of the collection box; Figure 3 To clean up the schematic diagram of the component structure; Figure 4 It is a schematic diagram of the lifting and floating assembly structure; Figure 5 It is a schematic diagram of the internal structure of the left chamber; Figure 6 It is another schematic diagram of the structure of the filter assembly; Figure 7 It is a schematic diagram of the installation structure of the plugging component; Figure 8 It is a schematic diagram of the side structure of the plugging component; Fig. 9 It is another schematic diagram of the structure of the transmission assembly.

[0020] Figure numerals: 1-collection box, 11-left chamber, 12-right chamber, 13-lower chamber, 2-rainwater pipe, 3-filter assembly, 31-upper filter screen, 32-lower filter screen, 33-drain port, 4-water suction port, 5-drive assembly, 51-housing, 52-double-head water pump, 53-flow guide pipe, 54-valve, 6-lifting and floating assembly, 61-protective shell, 62-floating body, 63-transmission assembly, 631-upper synchronous wheel, 632-lower synchronous wheel, 633-belt, 634-fixed plate, 635-connecting shaft, 636-fixed guide Sleeve, 637-hollow shaft, 638-avoidance groove 64-water level sensor, 7-cleaning assembly, 71-fixed seat, 72-positioning rod, 73-inner screw, 74-cleaning block, 75-cleaning rod, 751-outer sleeve rod, 752-inner sleeve rod, 753-top spring, 8-slag collecting box, 81-sealing plate, 82-fixing bolt, 91-outer slide plate, 92-inner slide plate, 93-guide rail, 94-connecting rod, 101-adjusting connecting rod, 102-transition connecting rod, 103-push-pull connecting rod, 104-spring, 105-mounting seat, 106-guide seat. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Embodiment 1, this embodiment aims to provide an environmentally friendly green building rainwater collection device, which is mainly used to clean the filter screen in the rainwater collection box of the green building. The current construction industry is developing in the direction of energy saving and environmental protection, and green buildings will also become the mainstream development direction of the construction industry. As an important part of green buildings, the rainwater collection system can not only effectively replenish water resources, but also alleviate urban drainage pressure to a certain extent and improve the ecological environment. In view of the problem that the filter screen in the green building rainwater collection system in the prior art is easy to clog and has low cleaning efficiency, thereby affecting the rainwater collection rate and quality, resulting in the inability to collect rainwater in a timely and effective manner, resulting in a waste of rainwater resources, this embodiment provides an environmentally friendly green building rainwater collection device, which realizes intelligent control of the cleaning of the filter screen through an automatic cleaning mechanism, which not only improves the quality of rainwater collection, but also reduces the need for manual maintenance, reflecting the environmental protection and high efficiency concept of green buildings.

[0022] like Figure 1-5 As shown, the present embodiment provides an environmentally friendly green building rainwater collection device, comprising a collection box 1, a filter assembly 3, a drive assembly 5, a lifting and floating assembly 6 and a cleaning assembly 7, wherein the collection box comprises a left chamber 11, a right chamber 12 and a lower chamber 13. Figure 1 and 2 As shown, a rainwater pipe 2 is provided on the top of the left chamber, and rainwater flows from the roof of the green building into the left chamber of the rainwater collection box through the rainwater pipe. A filter assembly is provided inside the left chamber, and the filter assembly includes an upper filter screen 31 and a lower filter screen 32 arranged laterally and in parallel. Specifically, card slots are respectively provided on the side walls of the left chamber on the left and right sides of the two filter screens, and the upper filter screen and the lower filter screen are matched and fixed in the card slots on the inner wall of the left chamber in the horizontal direction.

[0023] After the rainwater flows from the rainwater pipe 2 into the left chamber, it first passes through the upper and lower double-layer filter screens to filter the rainwater, thereby effectively removing particulate impurities, dirt, etc. mixed in the rainwater, thereby improving the cleanliness and quality of the collected rainwater. Figure 2 and Figure 3 As shown, a drain outlet 33 is provided below the lower filter screen, and the drain outlet is connected to the right chamber, and a flow valve is provided on the drain outlet of the left chamber. The opening and closing of the flow valve is controlled by a controller, thereby controlling the flow of rainwater in the left and right chambers. That is, when the flow valve is opened, rainwater in the left chamber can flow to the right chamber through the drain outlet.

[0024] like Figure 3 and Figure 4As shown, the lifting and floating assembly 6 includes a protective shell 61, a floating body 62 and a transmission assembly 63. In this embodiment, the transmission assembly includes an upper synchronous wheel 631, a lower synchronous wheel 632, a belt 633, a fixed plate 634 and a fixed guide sleeve 636, etc., wherein the protective shell is arranged on the left side of the right chamber, the upper synchronous wheel and the lower synchronous wheel are rotatably installed in the protective shell through a wheel seat, and the upper synchronous wheel and the lower synchronous wheel are arranged vertically at intervals and matched with the belt 633. The fixed plate 634 is fixedly installed on the belt by bolts, and a connecting shaft 635 is provided on the right side of the fixed plate. A avoidance groove 638 is vertically opened on the right side wall of the protective shell 61, and the inner diameter of the avoidance groove is slightly larger than the diameter of the connecting shaft. The connecting shaft extends to the right in the horizontal direction through the avoidance groove and is fixedly connected to the floating body 62, and the floating body floats on the liquid surface in the right chamber.

[0025] In this embodiment, the lifting and floating assembly is set up in such a way that as the liquid level in the right chamber rises or falls, the floating body will rise or fall accordingly, thereby triggering the action of the transmission assembly. That is to say, as the amount of rainwater in the right chamber increases, the floating body 62 will float upward under the action of buoyancy, thereby driving the belt to move upward through the connecting shaft 635 and the fixed plate 634, so that the upper synchronous wheel and the lower synchronous wheel rotate in the same direction; on the contrary, when the amount of rainwater in the right chamber decreases, the floating body descends, and the belt is driven downward through the same mechanism, and the upper synchronous wheel and the lower synchronous wheel rotate in the opposite direction. In addition, the setting of the avoidance groove can avoid interference with the connecting shaft during the upward and downward movement of the fixed plate and the connecting shaft, even if the connecting shaft moves up and down in the avoidance groove.

[0026] like Figure 4 As shown, a hollow shaft 637 is fixedly mounted in the upper synchronous wheel, and a fixed guide sleeve 636 is provided on the side wall of the protective shell on the left side of the hollow shaft. The hollow shaft extends to the left side into the fixed guide sleeve, and the fixed guide sleeve provides support and guidance for the hollow shaft. The hollow shaft is used to be fixedly mounted with the inner screw of the cleaning assembly, so that when the upper synchronous wheel rotates, it can drive the hollow shaft to rotate, and then drive the inner screw of the cleaning assembly in the left chamber to rotate synchronously.

[0027] Furthermore, if Figure 3 and Figure 5 As shown, the cleaning assembly includes a fixing seat 71, a positioning rod 72, an inner screw 73, a cleaning block 74 and a cleaning rod 75, wherein the inner screw is arranged between the upper filter screen and the lower filter screen in the left chamber, and its left and right ends are respectively rotatably sleeved in the fixing seat 71 on the inner wall of the left chamber, and its right end extends to the right through the fixing seat to the right chamber, and is sleeved and fixed with the hollow shaft in the fixing guide sleeve, so that when the upper synchronous wheel rotates, it can simultaneously drive the inner screw 73 to rotate through the hollow shaft 637. Figure 5As shown, the positioning rod is arranged in the left chamber and is parallel to the inner screw 73. The left and right ends of the positioning rod 72 are respectively fixed on the fixing seat 71 in the left chamber, and a cleaning block is mounted on the positioning rod and the inner screw. The cleaning block 74 is assembled with the inner screw thread. When the inner screw rotates, the cleaning block 74 can move left and right along the extension direction of the length of the positioning rod.

[0028] like Figure 3 As shown, cleaning rods 75 are respectively provided upward and downward on the upper and lower sides of the cleaning block, and brushes are fixed at the ends of the upper and lower cleaning rods, and the upper and lower brushes are respectively in contact with the upper and lower filter mesh surfaces. As the cleaning block reciprocates in the horizontal direction, the brushes on the cleaning rods will continuously brush the filter mesh surface, clean the upper and lower filter meshes, so as to effectively remove impurities attached to the filter mesh and achieve a cleaning effect.

[0029] like Figure 1 and Figure 2 As shown, the lower chamber 13 is arranged below the left chamber 11 and the right chamber 12, and a driving assembly 5 is arranged on the right side of the collecting box, the driving assembly includes a shell 51, a double-head water pump 52 and a guide pipe group 53, etc., wherein the shell is fixed to the collecting box, the double-head water pump is arranged inside the shell, and the double-head water pump is connected to the guide pipe group 53, the guide pipe group includes a water flow circuit composed of two guide pipes, the two circuits are connected to the right chamber and the lower chamber through the double-head water pump, and valves are respectively provided on the two guide pipes for respectively controlling the extraction and discharge of rainwater in the right chamber and the lower chamber. It should be noted that the double-head water pump described in this embodiment includes two groups of water inlets and outlets, and when the right chamber is connected to the lower chamber, it is two different circuits, so that the operations of draining water from the right chamber into the lower chamber or injecting water from the lower chamber into the right chamber can be controlled separately, and each circuit is provided with a valve, which is controlled by the controller; or in actual application, two different water pumps are used to control the above-mentioned two different circulation circuits respectively, thereby realizing the regulation of water volume.

[0030] The controller controls the opening and closing of the double-head water pump and the valve on the guide pipe, so as to realize the dynamic adjustment of the water volume in the right chamber and the lower chamber. In actual application, a water level sensor 64 can also be fixedly installed on the protective shell 61 above the lower synchronous wheel and below the upper synchronous wheel to monitor the height of the rainwater level in the right chamber, that is, when the rainwater level in the right chamber reaches the water level sensor at the upper position, the controller receives the signal and starts the double-head water pump according to the preset logic to open the valve on the corresponding circuit guide pipe, so that the rainwater in the right chamber is pumped into the lower chamber 13 for storage; when the rainwater level in the right chamber reaches the water level sensor at the lower position, the controller receives the signal, starts the double-head water pump to open the valve on the other circuit guide pipe, so that the rainwater in the lower chamber is pumped into the right chamber, so as to realize the dynamic adjustment of the water volume. In this process, the float floats up and down with the rise and fall of the liquid level, so as to drive the cleaning rod of the cleaning component to clean the upper and lower filter screens through the transmission component. At the same time, in this process, the disturbance of rainwater can also be enhanced to avoid the problem of dirt accumulation caused by long-term standing of rainwater. In addition, in actual application, the collection box can be set to a transparent material, which makes it easy to observe the water volume and pollution situation in the collection box in real time. At the same time, it can also monitor the dynamic adjustment of the water volume in different chambers, which is very practical.

[0031] Description of working principle: When the environmentally friendly green building rainwater collection device provided by this embodiment is working, rainwater flows from the roof of the green building through the rainwater pipe into the left chamber of the collection box. In the left chamber, the rainwater first passes through the double-layer filtration of the upper filter screen and the lower filter screen to remove particulate impurities, dirt, etc. After the rainwater in the left chamber is filtered, it flows into the right chamber through the drain port. The water level in the right chamber is monitored by the float, and the float floats up and down with the rise and fall of the liquid level; when the rainwater liquid level in the right chamber approaches the drain port 33, the valve on the guide pipe connected to the lower chamber is opened, so that the rainwater in the right chamber flows into the lower chamber for storage. At this time, the float always floats in the lower position, and no large rise and fall floating difference occurs.

[0032] After all the rainwater in the left chamber flows to the right chamber, close the valve on the drain outlet; start the double-head water pump through the controller, open the corresponding valve, and pump the rainwater in the lower chamber into the right chamber. As the amount of water in the right chamber increases, the float floats upward under the action of buoyancy, and at the same time drives the belt to move upward through the fixed plate, thereby driving the rotation of the upper synchronous wheel and the lower synchronous wheel. When the upper synchronous wheel rotates, the inner screw is driven to rotate through the hollow shaft, thereby prompting the cleaning block to move to the left along the extension direction of the inner screw, so that the brush at the end of the cleaning rod can be used to clean the filter screen; When the rainwater level in the right chamber reaches the upper water level sensor or the float is close to the position of the upper synchronous wheel through real-time monitoring, the controller starts the double-head water pump, opens the corresponding valve, and pumps the rainwater in the right chamber into the lower chamber. At this time, as the liquid level in the right chamber is below, the float moves downward, thereby driving the belt to move downward, causing the upper and lower synchronous wheels to rotate in the opposite direction, and then driving the inner screw to rotate in the opposite direction through the hollow shaft, so that the cleaning block moves to the right, and the brush at the end of the cleaning rod is used to clean the filter screen; when the rainwater level in the right chamber drops to the lower water level sensor or the float is close to the position of the lower synchronous wheel through real-time monitoring, the controller adjusts the double-head water pump and valve status to pump the rainwater in the lower chamber back to the right chamber to achieve dynamic balance of water volume. In this way, by continuously controlling the changes in the volume of rainwater in the right chamber and the lower chamber, the cleaning linkage control of the filter screen is realized. The collected, filtered and cleaned rainwater is stored in the lower chamber and can be used for a variety of non-drinking purposes, such as flushing toilets, watering plants, etc.

[0033] The present embodiment provides an environmentally friendly green building rainwater collection device, which realizes automatic monitoring and adjustment of water volume through the coordinated work between the controller and each module, reduces manual intervention, and the linked cleaning mechanism can regularly clean the filter to ensure the smooth operation of the system and the cleanliness of rainwater. Through a reasonable water volume adjustment and storage mechanism, it reduces the waste of rainwater, which is in line with the concept of water conservation and environmental protection.

[0034] Embodiment 2: Based on Embodiment 1, this embodiment describes another installation structure of the upper filter screen and the lower filter screen.

[0035] like Figure 6 As shown, the upper filter screen and the lower filter screen can also be tilted and clamped inside the left chamber, and a slag discharge port is provided on the left side of the two filter screens, and a slag collecting box 8 is provided on the outer wall of the left chamber. A sealing plate 81 is provided in the slag collecting box, and the sealing plate is installed at the slag discharge port of the left chamber through a sealing cover of the fixing bolts 81. When cleaning the upper and lower filter screens, the sealing plate is removed to connect the slag discharge port with the slag collecting box. In this way, after the cleaning rod cleans the garbage on the two filter screens, the garbage is cleaned to the vicinity of the slag discharge port or directly falls into the slag collecting box, thereby facilitating the cleaning of the garbage.

[0036] Furthermore, the cleaning block is threadedly mounted on the inner screw between adjacent filter screens, and cleaning rods are provided on the upper and lower sides of the cleaning block, tilted upward and tilted downward, respectively. In this embodiment, the cleaning rod includes an inner sleeve rod 752 and an outer sleeve rod 751. The bottom of the outer sleeve rod is fixed to the cleaning block, and the inner sleeve rod is slidably mounted inside the outer sleeve rod. The top extends upward and is provided with a brush, and the bottom of the inner sleeve rod is fixedly connected to the outer sleeve rod by a top spring, so that the cleaning rod moves left and right to telescope along the tilt path of the filter screen.

[0037] Such an arrangement allows impurities and garbage to naturally slide down to the vicinity of the slag discharge port under the action of the cleaning rod, greatly simplifying the cleaning process. The inner sleeve rod is slidably mounted inside the outer sleeve rod and telescopically changed by a top spring to adapt to the inclined path of the filter screen. This design ensures that no matter how the filter screen is tilted, the cleaning rod can fit closely to its surface for effective cleaning, thereby ensuring the comprehensiveness and effectiveness of the cleaning process, reducing residual dirt caused by inadequate cleaning, and further improving the cleaning effect of the filter screen.

[0038] Embodiment 3, based on embodiments 1 and 2, this embodiment provides a blocking component for preventing rainwater from entering the protective shell from the avoidance groove on the protective shell when the amount of rainwater in the right chamber increases, thereby preventing the transmission component in the protective shell from being affected.

[0039] like Figure 7 and Figure 8 As shown, the blocking assembly includes a guide rail 93, a telescopic slide and a connecting rod 94, the telescopic slide includes an outer slide 91 and an inner slide 92, wherein the guide rail is vertically fixed to the inner wall of the protective shell, and is symmetrically arranged on the front and rear sides of the avoidance groove, the telescopic slide is matched and slidably installed on the guide rail, and the middle part of the telescopic slide fits with the avoidance groove, specifically, the outer slide is matched and slidably sleeved on the guide rail 93, the outer slide is fixed to the protective shell by bolts, the inner slide 92 is slidably sleeved inside the outer slide, the right side of the inner slide is in contact with the avoidance groove on the protective shell, the connecting rod is fixed to the top of the inner slide, and the upper end of the connecting rod is fixedly connected to the bottom of the fixed plate by bolts.

[0040] When the float drives the fixed plate on the belt to slide up and down, the inner slide plate can be driven to float up and down at the same time through the connecting rod, and because the upper top surface of the inner slide plate is always higher than the liquid level, when the liquid level rises in the right chamber, the inner slide plate can always seal the avoidance groove first, thereby greatly reducing the risk of rainwater in the right chamber entering the protective shell, realizing protection of the transmission components in the protective shell, and effectively extending the service life.

[0041] Embodiment 4: Based on embodiment 1, this embodiment provides another structure of a transmission assembly.

[0042] like Fig. 9As shown, the transmission assembly includes an adjusting connecting rod 101, a transition connecting rod 102, a push-pull connecting rod 103, a mounting seat 105 and a guide seat 106, etc., wherein a plurality of guide seats 106 are evenly distributed vertically in the right chamber. In this embodiment, the guide seat is a C-shaped structure, with its opening facing the left chamber direction, and the bottom is fixed on the inner wall of the right chamber. The adjusting connecting rod 101 is matched and fitted inside the guide seat, and the outer side of the adjusting connecting rod is fixed to the float. When the float rises and falls with the liquid level, the adjusting connecting rod is driven to move up and down in the guide seat at the same time. The top of the adjusting connecting rod is hinged with a transition connecting rod 103, and the free end of the transition connecting rod is hinged with a push-pull connecting rod. The push-pull connecting rod passes through the right chamber to the left chamber in the horizontal direction, and its left end can be inserted into the mounting seat 105 between the upper and lower filter screens in the left chamber, and the cleaning block and cleaning rod structure described in Example 1 are fixedly installed on the push-pull connecting rod.

[0043] In this way, when the adjusting link moves up and down, the transition link can be used to synchronously drive the push-pull link to move left and right, so that the brush on the top of the cleaning rod can be used to clean the filter surface. In addition, a spring 104 is fixed laterally on the side wall of the right chamber near the left chamber, and the push-pull link is sleeved in the spring. When the push-pull link moves to the left, the spring can be compressed. When the floating body descends and drives the adjusting link to move down, the spring can give the push-pull link a rightward elastic force, providing the necessary reset force, so that it can slide more smoothly from the left chamber to the right.

[0044] Working principle description: When the liquid level in the right chamber rises, the float rises accordingly, driving the adjustment link to move upward in the guide seat. Through the transmission of the transition link, the push-pull link moves to the left, pushing the cleaning block and the cleaning rod structure to approach and clean the filter screen. In this process, the spring is compressed and stores energy; when the liquid level drops, the float drops, driving the adjustment link to move downward; at this time, the spring releases energy, pushing the push-pull link to move to the right, so that the cleaning block and the cleaning rod structure return to their original position and prepare for the next cleaning action. The above utilizes the principles of mechanical transmission and buoyancy to realize the automatic operation of the cleaning component. Through the left and right movement of the cleaning block and the cleaning rod, the impurities on the filter screen surface are effectively cleaned. The structure is relatively simple, saves space, and effectively reduces costs.

[0045] The embodiments of the present invention described above do not constitute a limitation on the protection scope of the present invention. The basic concept of the present invention is to monitor and dynamically adjust the amount of water in the collection box, utilize the dynamic suction and discharge action of rainwater, realize the transfer of rainwater between different chambers, and then achieve a linkage cleaning mechanism, so that the filter can be cleaned regularly to maintain its patency and cleanliness, extend its service life, reduce maintenance costs, and realize efficient collection, filtration, cleaning and storage of rainwater, while reducing manual intervention and waste of water resources. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An environmentally friendly green building rainwater collection device, characterized by: It includes a collecting box, a filtering assembly, a cleaning assembly and a lifting and floating assembly. The collecting box includes a left chamber, a right chamber and a lower chamber. A rainwater pipe is provided on the top of the left chamber. A filtering assembly is provided inside the left chamber. The filtering assembly includes a filter screen arranged in parallel. A drain port is provided below the filter screen. The drain port is communicated with the right chamber. The cleaning assembly includes an inner screw, a positioning rod, a cleaning block and a cleaning rod. The inner screw is arranged between adjacent filter screens in the left chamber, one end of which is rotatably sleeved in a fixing seat on the inner wall of the left chamber, and the other end extends horizontally to the right into the right chamber; the positioning rod is arranged in the left chamber and is parallel to the inner screw, and a cleaning block is threadedly sleeved on the positioning rod and the inner screw, and cleaning rods are respectively arranged upward and downward on the upper and lower sides of the cleaning block; the lifting and floating assembly includes a protective shell, a floating body and a transmission assembly, the protective shell is arranged on the left side of the right chamber, the transmission assembly is arranged in the protective shell, the floating body floats on the liquid surface in the right chamber, and is connected to the transmission assembly connection; the transmission assembly is also connected to the inner screw for cleaning the filter; the lower chamber is arranged below the left chamber and the right chamber, and the right chamber is connected to the lower chamber through a guide tube group, the double-head water pump of the guide tube group is connected to a double-head water pump, and a valve is provided on the guide tube group; the controller is used to control the intermittent opening and closing of the double-head water pump, and the circulation of different circuits of the guide tube group is driven to adjust the water balance between the right chamber and the lower chamber, thereby driving the float through the transmission assembly to make the cleaning block move left and right along the extension path of the inner screw, and using the cleaning rod to reciprocate and clean the filter.

2. The environmentally friendly green building rainwater collection device according to claim 1 is characterized by: The transmission assembly includes an upper synchronous wheel, a lower synchronous wheel and a fixed plate. The upper synchronous wheel and the lower synchronous wheel are installed in a protective shell along a vertical interval and are rotatably mounted. The upper synchronous wheel and the lower synchronous wheel are matched with belts. The fixed plate is fixedly mounted on the belt, and the connecting shaft on its right side is fixed to the float.

3. The environmentally friendly green building rainwater collection device according to claim 2 is characterized by: A avoidance groove is vertically opened on the right side wall of the protective shell, and the inner diameter of the avoidance groove is larger than the outer diameter of the connecting shaft on the fixing plate.

4. The environmentally friendly green building rainwater collection device according to claim 1 is characterized by: The distal ends of the upper and lower cleaning rods are respectively provided with brushes which are in contact with the upper and lower top surfaces of the filter net.

5. The environmentally friendly green building rainwater collection device according to claim 1 is characterized by: A blocking assembly is provided in the protective shell, and the blocking assembly includes a guide rail, a telescopic slide and a connecting rod. The guide rail is vertically fixed to the inner wall of the protective shell and is symmetrically arranged on the front and rear sides of the avoidance groove. The telescopic slide is slidably installed on the guide rail, and the middle part of the telescopic slide is in contact with the avoidance groove; the connecting rod is fixed to the top of the telescopic slide, and the upper end of the connecting rod is fixedly connected to the bottom of the fixed plate by bolts.

6. The environmentally friendly green building rainwater collection device according to claim 1 is characterized by: The filter screen can also be tilted in the left chamber, and the left chamber is symmetrically provided with card slots, and the left and right sides of the filter screen are fixedly mounted in the card slots, and the left side of the filter screen tilts downward.

7. The environmentally friendly green building rainwater collection device according to claim 6 is characterized by: A slag collecting box is also provided on the left side of the left chamber, and a slag dropping opening is provided between the right side of the slag collecting box and the filter screen in the left chamber of the collecting box.

8. The environmentally friendly green building rainwater collection device according to claim 7 is characterized by: A cleaning block is threadedly sleeved on the inner screw between adjacent filter screens, and cleaning rods are arranged on the upper and lower sides of the cleaning block, tilted upward and tilted downward respectively. A brush is arranged at the end of the cleaning rod, and the brush at the end of the cleaning rod is always in contact with the filter screen surface.

9. The environmentally friendly green building rainwater collection device according to claim 8, characterized in that: The cleaning rod comprises an inner sleeve rod and an outer sleeve rod. The bottom of the outer sleeve rod is fixed to the cleaning block. The inner sleeve rod is slidably sleeved inside the outer sleeve rod. The bottom of the inner sleeve rod is fixedly connected to the outer sleeve rod through a top spring, so that the cleaning rod moves left and right to telescope along the inclined path of the filter screen.

10. The environmentally friendly green building rainwater collection device according to claim 1, characterized in that: The transmission assembly includes an adjusting link, a transition link, a push-pull link and a guide seat. A guide seat is vertically spaced along the inner wall of the right chamber. An adjusting link is slidably mounted inside the guide seat. The outer side of the adjusting link is fixed to the floating body. The upper end of the adjusting link is hinged with a transition link. The free end of the transition link is hinged with a push-pull link. The push-pull link extends laterally to the left into the left chamber.

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