A rain and sewage mixed drainage system

Abstract

The present invention relates to the technical field of drainage wells, and specifically relates to a rain and sewage mixed drainage system, which includes a rain and sewage well pre-buried pipe buried in the rain and sewage well. A reserved groove is provided on the top surface of the rain and sewage well pre-buried pipe, and a cover ring is inserted at the top of the reserved groove. A manhole cover is hinged to the inner ring opening of the cover ring, and the manhole cover overlaps on a first cushion ring, and the first cushion ring is fixed on the inner ring surface of the cover ring. A plurality of traction pipes are fixed to the bottom surface of the cover ring, and the bottom ends of the traction pipes are fixed on the surface of a connecting ring. A metal mesh cover is fixed between the connecting ring and the cover ring; The beneficial effects are as follows: For the rain and sewage mixed drainage system proposed by the present invention, by setting a rainwater pipe and a conveying pipe, which are respectively used for the collection and conveyance of rainwater and daily road surface water, the effective separation of rainwater and sewage is realized, the utilization efficiency of water resources is improved, and the difficulty and cost of sewage treatment are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of drainage wells, and specifically to a rain and sewage mixed drainage system. Background Art

[0002] In traditional rain and sewage drainage systems, the collection and treatment of rainwater and sewage often have the problem of mixed discharge, which not only affects the environmental quality, but also increases the difficulty and cost of sewage treatment. At the same time, the design of traditional rain and sewage manhole covers is simple, with single functions, and is prone to problems such as water accumulation and blockage under bad weather conditions, affecting the traffic safety and drainage efficiency of the road surface. In addition, there are also certain difficulties in the installation and maintenance of manhole covers and embedded pipes, such as insecure installation and inconvenient maintenance.

[0003] To solve the above problems, some improved rain and sewage drainage systems have emerged on the market. The Chinese invention with the application number CN202010988882.2 proposes a rain and sewage separation transformation system for a combined drainage riser, belonging to the field of rain and sewage separation transformation. The rain and sewage separation transformation system includes an original combined drainage riser, an original rainwater drainage riser, an overflow device, and a rain and sewage separator. The tops of the original combined drainage riser and the original rainwater drainage riser collect rainwater from the same roof. The overflow device is fixedly arranged at the top water inlet of the original combined drainage riser that needs to be transformed on the roof. The overflow device is hollow and has an opening at the lower end. The top of the overflow device is closed with a cover plate, and drainage holes are opened at the same height on the surrounding walls of the overflow device. The rain and sewage separator is arranged on the outlet pipe at the bottom of the original combined drainage riser. This system reduces the amount of rainwater mixed into the sewage pipe network when using a rainwater separator independently.

[0004] However, the above system still fails to comprehensively solve problems such as the stability and easy maintainability of manhole covers. Therefore, a new type of rain and sewage mixed drainage system is needed, which can not only effectively separate rainwater and sewage, but also improve the stability and easy maintainability of manhole covers, and is convenient for construction and installation at the same time. Summary of the Invention

[0005] The purpose of the present invention is to provide a rain and sewage mixed drainage system to solve the problems raised in the above background art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rainwater and sewage mixed drainage system, comprising a rainwater and sewage well embedded pipe, buried in the rainwater and sewage well, a reserved groove is opened on the top surface of the rainwater and sewage well embedded pipe, a cover ring is inserted on the top of the reserved groove, a well cover is hinged on the inner ring of the cover ring, the well cover is overlapped on the gasket ring, the gasket ring is fixed on the inner ring surface of the cover ring, a plurality of traction pipes are fixed on the bottom surface of the cover ring, the bottom ends of the traction pipes are fixed on the surface of the connecting ring, a metal mesh cover is fixed between the connecting ring and the cover ring, a cleaning rack is embedded on the bottom surface of the cover ring, and the bottom of the connecting ring A water storage cylinder is installed, and two retaining rings are fixed on the bottom end of the water storage cylinder. A drain port is opened at the bottom of the water storage cylinder. A delivery pipe and a rainwater pipe are fixed to the surface of the pre-buried pipe for the rainwater well. The rainwater pipe is above the delivery pipe. A support pipe is fixed to the surface of the pre-buried pipe for the rainwater well. A sewage pipe is inserted inside the support pipe. An electric telescopic cylinder is installed above the support pipe. The piston rod of the electric telescopic cylinder is fixed under the water storage cylinder. The water storage cylinder and the sewage pipe are connected by a pipe, and a one-way electromagnetic control valve is installed on the pipe; a plurality of spherical wheels are embedded on the top surface of the cover ring.

[0007] Preferably, the embedded pipe for the rainwater and sewage well is in the form of a "T"-shaped circular pipe, and the reserved groove is in the form of a "T"-shaped annular groove. An embedding groove 1 is provided on the bottom surface of the reserved groove. The embedding groove 1 is an annular groove. A fine mesh hard plate is inserted inside the embedding groove 1. A clamping ring is fixed to the bottom surface of the fine mesh hard plate. The clamping ring is inserted in the clamping groove. The clamping groove is an annular groove with an arc-shaped fracture. The clamping groove is provided on the bottom surface of the embedding groove 1. A rubber sleeve is fixed on the bottom end of the clamping ring. After the fine mesh hard plate is overlapped on the bottom surface of the embedding groove 1, the rubber sleeve is inserted in the clamping groove. The cross-sectional diameter of the rubber sleeve is larger than the slot width of the clamping groove. Two side grooves are provided on the top surface of the embedded pipe for the rainwater and sewage well. The side grooves are connected to the reserved groove. A pull ring is inserted inside the side groove, and the pull ring is fixed to the top surface of the fine mesh hard plate.

[0008] Preferably, the cover ring is an annular plate structure, the top surface of the cover ring is provided with an installation groove, a limit shaft is fixed between two parallel side walls of the installation groove, the limit shaft passes through the connecting handle, the connecting handle is fixed to the side wall of the manhole cover, a limit rotation groove is provided on the surface of the manhole cover, the limit rotation groove is an "I"-shaped circular opening, the internal rotation connection of the limit rotation groove is a turning handle, the turning handle is an "I"-shaped cylinder, a cross-shaped screwing handle is fixed on the top surface of the turning handle, a traction strip is fixed to the bottom end of the turning handle, the traction strip passes through the through opening, the through opening is provided on the surface of the gasket ring 1, the through opening is a square opening, a hanging piece is fixed to the bottom end of the traction strip, the width of the hanging piece is smaller than the width of the through opening, the plate length of the hanging piece is smaller than the long side length of the slot of the through opening, a rubber gasket is fixed to the inner ring surface of the cover ring, the rubber gasket is a circular ring plate structure with an "L"-shaped cross section, and the bottom plate of the rubber gasket is fixed to the top surface of the gasket ring 1.

[0009] Preferably, the connecting ring is located in the inner ring opening of the metal mesh cover. A collar is sleeved and fixed at the top end of the water storage cylinder. After the top end of the water storage cylinder is inserted into the inner ring opening of the connecting ring, the collar abuts against the bottom surface of the connecting ring, and the collar and the connecting ring are fixed by bolts.

[0010] Preferably, a second cushion ring is fixed to the inner wall of the water storage cylinder. An anti-falling net plate is lapped above the second cushion ring, and the anti-falling net plate is fixed to the second cushion ring by screws.

[0011] Preferably, the retaining ring is a circular ring plate with a "concave" cross-section. Two retaining rings are arranged vertically. A sealing ring is sleeved and fixed in the groove of the retaining ring. The outer diameter of the sealing ring is larger than the inner diameter of the rain and sewage well embedded pipe. The sealing ring is clamped between the retaining ring and the rain and sewage well embedded pipe and undergoes elastic deformation. The water discharge port is above the bottom retaining ring.

[0012] Preferably, a limiting screw rod is screwed on the pipe body of the supporting pipe for clamping and limiting the sewage discharge pipe. An installation seat is fixed on the top surface of the supporting pipe, and the installation seat is sleeved and fixed at the bottom end of the electric telescopic cylinder.

[0013] Preferably, the pipeline includes a first connecting pipe, a corrugated pipe, and a second connecting pipe. The top end of the sewage discharge pipe is inserted and fixed with the first connecting pipe. The top end of the first connecting pipe is sleeved and fixed with the corrugated pipe. The top end of the corrugated pipe is sleeved and fixed at the bottom end of the second connecting pipe. The second connecting pipe is inserted and fixed on the bottom plate of the water storage cylinder. A one-way electromagnetic control valve is installed on the pipe body of the first connecting pipe for intercepting and regulating the inside of the first connecting pipe.

[0014] Preferably, a bottom groove is formed on the bottom surface of the rain and sewage well embedded pipe. The bottom groove is an annular groove. A plurality of square grooves are formed on the side wall of the bottom groove. A perforation is formed on the surface of the square groove. A reinforcing rod is inserted into the perforation. One end of the reinforcing rod is fixed on the surface of a square plate. The square plate is inserted into the square groove. The thickness of the square plate is less than the depth of the square groove. An anti-detachment ring is inserted into the bottom groove. The outer diameter of the anti-detachment ring is equal to the outer diameter of the bottom groove. The inner diameter of the anti-detachment ring is equal to the inner diameter of the rain and sewage well embedded pipe. And the height of the anti-detachment ring is equal to the height of the bottom groove. A connecting screw rod is screwed on the bottom surface of the anti-detachment ring. The connecting screw rod penetrates through the anti-detachment ring and is screwed on the top surface of the bottom groove.

[0015] Preferably, a second embedding groove is formed on the bottom surface of the cover ring. The second embedding groove is an annular groove. A cleaning frame is inserted into the second embedding groove. The inner ring surface of the cleaning frame is covered with bristles. A rubber ring is sleeved and fixed on the outer ring surface of the cleaning frame. The outer diameter of the rubber ring is larger than the outer diameter of the second embedding groove. After the cleaning frame is inserted into the second embedding groove, the rubber ring is clamped between the second embedding groove and the cleaning frame and undergoes elastic deformation.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The rain and sewage mixed drainage system proposed by the present invention realizes the effective separation of rainwater and sewage by setting up rainwater pipes and conveying pipes, which are respectively used for the collection and conveyance of rainwater and daily road surface water, improves the utilization efficiency of water resources, and reduces the difficulty and cost of sewage treatment. The design of the cleaning rack enables the easy cleaning of sundries such as sediment on the surface of the metal mesh cover, and it can be conveniently stored in the second embedding groove after cleaning. In addition, the combined design of the fine mesh hard board and the pull ring facilitates the cleaning of the swept particles out of the well, improving the maintenance efficiency of the system. The cover ring can be used as a transfer rack when not installed, carrying on-site construction tools or components, expanding the functionality of the system. At the same time, the combined design of the water storage cylinder and the sewage discharge pipe enables the effective collection and discharge of rainwater in rainy weather, enhancing the adaptability and flexibility of the system. The rain and sewage mixed drainage system provided by the present invention has beneficial effects in many aspects such as effective separation of rain and sewage, improved stability of the manhole cover, enhanced maintainability, expanded functionality, and optimized installation and reinforcement, providing new ideas and solutions for the improvement and optimization of urban rain and sewage discharge systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present invention;

[0019] Figure 2 is a top view of the structure of the present invention;

[0020] Figure 3 is Figure 2 a sectional view of the structure at A-A in

[0021] Figure 4 is Figure 3 an enlarged schematic view of the structure at A in

[0022] Figure 5 is Figure 3 an enlarged schematic view of the structure at B in

[0023] Figure 6 is Figure 3 an enlarged schematic view of the structure at C in

[0024] Figure 7 is Figure 6 an enlarged schematic view of the structure at D in

[0025] Figure 8 is Figure 6 an enlarged schematic view of the structure at E in

[0026] Figure 9 is a schematic structural diagram of the present invention after the cover ring is lifted;

[0027] Figure 10 is Figure 9 a front view of the structure in

[0028] Figure 11 is Figure 10 the sectional view of the structure at section B-B in

[0029] Figure 12 is Figure 11 the enlarged schematic view of the structure at position F in

[0030] Figure 13 the schematic view of the structure when the cover ring of the present invention cooperates with the metal mesh cover to act as a transfer rack;

[0031] Figure 14 the schematic view of the support pipe structure of the present invention;

[0032] Figure 15 the schematic view of the connection structure between the reinforcing rod and the square plate of the present invention.

[0033] In the figure: the rain and sewage well embedded pipe 1, the reserved groove 2, the first embedded groove 3, the hard plate with fine mesh holes 4, the snap ring 5, the card slot 6, the rubber sleeve 7, the pull ring 8, the side groove 9, the cover ring 10, the first cushion ring 11, the manhole cover 12, the connecting handle 13, the installation groove 14, the limiting shaft 15, the limiting rotating groove 16, the rotating handle 17, the traction strip 18, the through hole 19, the hanging piece 20, the rubber cushion ring 21, the traction pipe 22, the connecting ring 23, the metal mesh cover 24, the water storage cylinder 25, the sleeve ring 26, the bolt 27, the second cushion ring 28, the anti-falling net plate 29, the conveying pipe 30, the rainwater pipe 31, the retaining ring 32, the sealing ring 33, the water discharge port 34, the support pipe 35, the sewage pipe 36, the mounting seat 37, the electric telescopic cylinder 38, the first connecting pipe 39, the corrugated pipe 40, the second connecting pipe 41, the one-way electromagnetic control valve 42, the bottom groove 43, the square groove 44, the through hole 45, the reinforcing rod 46, the square plate 47, the anti-disengagement ring 48, the connecting screw 49, the spherical wheel 50, the second embedded groove 51, the cleaning frame 52, the rubber ring 53. Detailed implementation manners

[0034] In order to clearly and completely describe the purpose, technical solutions of the present invention, and make the advantages more clear and understandable, the following further details the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0035] Please refer to Figures 1 to 15The present invention provides a technical solution: a rainwater and sewage mixed drainage system, comprising a rainwater and sewage well embedded pipe 1, which is embedded in the rainwater and sewage well, a reserved groove 2 is provided on the top surface of the rainwater and sewage well embedded pipe 1, a cover ring 10 is inserted on the top of the reserved groove 2, a well cover 12 is hinged on the inner ring of the cover ring 10, the well cover 12 is overlapped on the gasket 11, the gasket 11 is fixed on the inner ring surface of the cover ring 10, the cover ring 10 is an annular plate structure, a mounting groove 14 is provided on the top surface of the cover ring 10, a limiting shaft 15 is fixed between two parallel side walls of the mounting groove 14, the limiting shaft 15 passes through a connecting handle 13, the connecting handle 13 is fixed on the side wall of the well cover 12, a limiting rotation groove 16 is provided on the surface of the well cover 12, and a limiting rotation groove 16 is provided on the surface of the well cover 12. The groove 16 is an "I"-shaped circular opening, and the internal rotation of the limit rotating groove 16 is connected with a rotating handle 17, which is an "I"-shaped cylinder. A cross-shaped screw handle is fixed to the top surface of the rotating handle 17, and a traction bar 18 is fixed to the bottom end of the rotating handle 17. The traction bar 18 passes through a through opening 19, and the through opening 19 is opened on the surface of the gasket ring 11. The through opening 19 is a square opening. A hanging piece 20 is fixed to the bottom end of the traction bar 18. The width of the hanging piece 20 is smaller than the width of the through opening 19, and the plate length of the hanging piece 20 is smaller than the long side length of the groove of the through opening 19. A rubber gasket 21 is fixed to the inner ring surface of the cover ring 10. The rubber gasket 21 is a circular ring plate structure with an "L"-shaped cross section, and the bottom plate of the rubber gasket 21 is fixed to the top surface of the gasket ring 11.

[0036] When in use, after the rainwater well pre-buried pipe 1 is pre-buried in the rainwater well, the cover ring 10 is laid on the top of the reserved groove 2, and when the manhole cover 12 is laid flat on the inner ring opening of the cover ring 10 to seal it, in order to prevent the manhole cover 12 from bumping in the cover ring 10, it is necessary to press the manhole cover 12 downward to squeeze the rubber gasket 21 to produce deformation, and at the same time, pinch the cross screw handle by hand to drive the rotating handle 17 to rotate, and the rotating handle 17 pulls the hanging piece 20 to rotate through the traction bar 18 until the hanging piece 20 and the through-opening 19 are misaligned, that is, the hanging piece 20 and the through-opening 19 are distributed in a "cross" shape, and the manhole cover 12 is no longer pressed, and the rubber gasket 21 is pressed. The gasket 21 rebounds to elastically support the manhole cover 12, so that the hanging piece 20 is tightly against the bottom surface of the gasket 11, thereby fixing the manhole cover 12 on the inner ring opening of the cover ring 10. When the manhole cover 12 needs to be opened, the turning handle 17 is turned to drive the hanging piece 20 to rotate to correspond to the through-opening 19, and the manhole cover 12 is lifted to drive the connecting handle 13 to rotate with the limiting axis 15 as the center axis. The moving trajectory of the manhole cover 12 when it is opened is an arc shape. Since the width of the hanging piece 20 is smaller than the width of the through-opening 19, space is reserved for removing the hanging piece 20 from the through-opening 19 when the manhole cover 12 is opened.

[0037] A plurality of traction pipes 22 are fixed to the bottom surface of the cover ring 10. The bottom ends of the traction pipes 22 are fixed to the surface of the connecting ring 23. A metal mesh cover 24 is fixed between the connecting ring 23 and the cover ring 10. The connecting ring 23 is located in the inner ring opening of the metal mesh cover 24. A cleaning frame 52 is embedded in the bottom surface of the cover ring 10. A water storage cylinder 25 is installed at the bottom of the connecting ring 23. A sleeve ring 26 is sleeved and fixed at the top end of the water storage cylinder 25. After the top end of the water storage cylinder 25 is inserted into the inner ring opening of the connecting ring 23, the sleeve ring 26 abuts against the bottom surface of the connecting ring 23. The sleeve ring 26 and the connecting ring 23 are fixed by bolts 27. An embedding groove two 51 is formed in the bottom surface of the cover ring 10. The embedding groove two 51 is an annular groove. The cleaning frame 52 is inserted into the inside of the embedding groove two 51. The inner ring surface of the cleaning frame 52 is covered with bristles. A rubber ring 53 is sleeved and fixed on the outer ring surface of the cleaning frame 52. The outer diameter of the rubber ring 53 is larger than the outer diameter of the embedding groove two 51. After the cleaning frame 52 is inserted into the embedding groove two 51, the rubber ring 53 is clamped between the embedding groove two 51 and the cleaning frame 52 and undergoes elastic deformation. The rain and sewage well embedded pipe 1 is a "T"-shaped circular pipe. The reserved groove 2 is a "T"-shaped annular groove. An embedding groove one 3 is formed in the bottom surface of the reserved groove 2. The embedding groove one 3 is an annular groove. A fine mesh hard board 4 is inserted into the inside of the embedding groove one 3. A snap ring 5 is fixed to the bottom surface of the fine mesh hard board 4. The snap ring 5 is inserted into a card slot 6. The card slot 6 is an annular groove with a circular arc-shaped fracture. The card slot 6 is formed in the bottom surface of the embedding groove one 3. A rubber sleeve 7 is sleeved and fixed at the bottom end of the snap ring 5. After the fine mesh hard board 4 is lapped on the bottom surface of the embedding groove one 3, the rubber sleeve 7 is inserted into the card slot 6. The cross-sectional diameter of the rubber sleeve 7 is larger than the slot width of the card slot 6. Two side grooves 9 are formed in the top surface of the rain and sewage well embedded pipe 1. The side grooves 9 communicate with the reserved groove 2. A pull ring 8 is inserted into the inside of the side grooves 9. The pull ring 8 is fixed to the top surface of the fine mesh hard board 4.

[0038] When in use, in rainy weather, when there is a lot of water on the road, the cover ring 10 needs to be lifted, and the metal mesh cover 24 extends from the top of the rainwater well pre-buried pipe 1, and the metal mesh cover 24 satisfies the rainwater to flow into the rainwater well pre-buried pipe 1. When the surface of the metal mesh cover 24 is blocked by mud and sand, or when cleaning the surface of the metal mesh cover 24 after the rainwater is dredged, the cleaning frame 52 is pulled out from the second embedding groove 51, and the cleaning frame 52 is moved to descend along the metal mesh cover 24, and the cleaning frame 52 is moved to rotate around the metal mesh cover 24. During the process, the bristles on the inner annular surface of the cleaning frame 52 clean the surface of the metal mesh cover 24, and the mud and sand swept away are removed. The cleaning rack 52 falls on the top of the fine mesh hard plate 4; after cleaning, the cleaning rack 52 is pushed into the embedded groove 51 for hidden storage. Due to the resilience of the rubber ring 53 under compression and deformation, the cleaning rack 52 is effectively prevented from falling off from the embedded groove 51 when there is no external tensioning force; since the swept particles are not convenient to be swept out above the fine mesh hard plate 4, the pull ring 8 is pinched by hand to pull the fine mesh hard plate 4 to slide up along the reserved groove 2 until the top surface of the fine mesh hard plate 4 and the top surface of the rainwater and sewage well pre-buried pipe 1 are coplanar. At this time, the particles on the fine mesh hard plate 4 are swept off the fine mesh hard plate 4, and then the fine mesh hard plate 4 is pushed back to the embedded groove 3 for hidden storage.

[0039] A plurality of spherical wheels 50 are embedded on the top surface of the cover ring 10. When the cover ring 10 is not installed on the top of the pre-buried pipe 1 for the rainwater and sewage well, the cover ring 10 is turned over so that the connecting ring 23 faces upward. At this time, the spherical wheels 50 touch the bottom surface, and the cover ring 10 is lifted and suspended in the air. At this time, the top of the cover ring 10 is surrounded by the traction pipe 22 and the metal mesh cover 24, forming a transfer frame that can be used on site, which is used to carry and transfer on-site construction tools or structures, thereby enriching the functionality of the cover ring 10 and the well cover 12.

[0040] A second cushion ring 28 is fixed to the inner wall of the water storage cylinder 25. An anti-falling net plate 29 is lapped above the second cushion ring 28. The anti-falling net plate 29 is fixed to the second cushion ring 28 by screws. Two retaining rings 32 are sleeved and fixed to the bottom end of the water storage cylinder 25. The retaining rings 32 are circular ring plates with a "concave" cross-section. The two retaining rings 32 are distributed vertically. A sealing ring 33 is sleeved and fixed in the groove of the retaining ring 32. The outer diameter of the sealing ring 33 is larger than the inner diameter of the rain and sewage well embedded pipe 1. The sealing ring 33 is clamped between the retaining ring 32 and the rain and sewage well embedded pipe 1 to generate elastic deformation. The water discharge port 34 is above the bottom retaining ring 32. A water discharge port 34 is opened at the bottom of the water storage cylinder 25. A delivery pipe 30 and a rainwater pipe 31 are inserted and fixed to the surface of the rain and sewage well embedded pipe 1. The rainwater pipe 31 is above the delivery pipe 30. A support pipe 35 is inserted and fixed to the surface of the rain and sewage well embedded pipe 1. A sewage pipe 36 is inserted into the support pipe 35. An electric telescopic cylinder 38 is installed above the support pipe 35. The piston rod of the electric telescopic cylinder 38 is fixed below the water storage cylinder 25. The water storage cylinder 25 and the sewage pipe 36 are connected through a pipeline. A one-way electromagnetic control valve 42 is installed on the pipeline. A limit screw is screwed onto the pipe body of the support pipe 35 to clamp and limit the sewage pipe 36. A mounting seat 37 is fixed to the top surface of the support pipe 35. The mounting seat 37 is sleeved and fixed to the bottom end of the electric telescopic cylinder 38. The pipeline includes a first connecting pipe 39, a corrugated pipe 40 and a second connecting pipe 41. The top end of the sewage pipe 36 is inserted and fixed with the first connecting pipe 39. The top end of the first connecting pipe 39 is sleeved and fixed with the corrugated pipe 40. The top end of the corrugated pipe 40 is sleeved and fixed to the bottom end of the second connecting pipe 41. The second connecting pipe 41 is inserted and fixed to the bottom plate of the water storage cylinder 25. The one-way electromagnetic control valve 42 is installed on the pipe body of the first connecting pipe 39 to intercept and regulate the flow inside the first connecting pipe 39.

[0041] During use, under normal circumstances, the cover ring 10 is inserted into the top of the reserved groove 2. At this time, the delivery pipe 30 is between the two retaining rings 32. The liquid on the road surface falls into the water storage cylinder 25 through the holes on the surface of the manhole cover 12. The liquid collected inside the water storage cylinder 25 flows out through the water discharge port 34 to the space between the two retaining rings 32. The liquid between the two retaining rings 32 is transported through the delivery pipe 30. The delivery pipe 30 is for the collection and transportation of daily road surface water. The reason for installing the anti-falling net plate 29 on the top of the water storage cylinder 25 is to prevent mobile phones or key chains that fall through the holes on the surface of the manhole cover 12 from falling to the bottom of the water storage cylinder 25, so that after the manhole cover 12 is opened, the items on the anti-falling net plate 29 can be taken out. The sewage pipe 36 is used to transport sewage.

[0042] In rainy weather, especially when there is serious water accumulation on the road surface, the switch of the electric telescopic cylinder 38 is triggered to start the electric telescopic cylinder 38 to lift the water storage cylinder 25 until the rainwater pipe 31 is between the two retaining rings 32 and the water discharge port 34 is at the pipe orifice of the rainwater pipe 31. At this time, the metal mesh cover 24 extends out from the rain and sewage well embedded pipe 1. While the holes on the surface of the manhole cover 12 convey rainwater downward, the metal mesh cover 24 also allows rainwater to pass through and then inject into the rain and sewage well embedded pipe 1. After the rainwater fills the water storage cylinder 25, it flows through the water discharge port 34 to between the two retaining rings 32, and then the rainwater is conveyed through the rainwater pipe 31. When the rain volume expands again, the one-way electromagnetic control valve 42 is opened to introduce the rainwater inside the water storage cylinder 25 into the sewage pipe 36. At this time, the sewage pipe 36 and the rainwater pipe 31 jointly achieve the drainage of the rainwater poured into the water storage cylinder 25.

[0043] A bottom groove 43 is formed on the bottom surface of the rain and sewage well embedded pipe 1. The bottom groove 43 is an annular groove, and a plurality of square grooves 44 are formed on the side wall of the bottom groove 43. A perforation 45 is formed on the surface of the square groove 44, and a reinforcing rod 46 is inserted into the perforation 45. One end of the reinforcing rod 46 is fixed on the surface of a square plate 47. The square plate 47 is inserted into the square groove 44. The thickness of the square plate 47 is less than the depth of the square groove 44. An anti-detachment ring 48 is inserted into the bottom groove 43. The outer diameter of the anti-detachment ring 48 is equal to the outer diameter of the bottom groove 43, the inner diameter of the anti-detachment ring 48 is equal to the inner diameter of the rain and sewage well embedded pipe 1, and the height of the anti-detachment ring 48 is equal to the height of the bottom groove 43. A connecting screw rod 49 is screwed on the bottom surface of the anti-detachment ring 48. The connecting screw rod 49 penetrates through the anti-detachment ring 48 and is screwed on the top surface of the bottom groove 43.

[0044] When installing the rain and sewage well embedded pipe 1, after the rain and sewage well embedded pipe 1 is buried in the rain and sewage well, the square plate 47 is inserted into the square groove 44. At this time, the reinforcing rod 46 penetrates through the perforation 45 and inserts into the well wall, forming an installation and reinforcement structure for the rain and sewage well embedded pipe 1 and the well wall. To prevent the reinforcing rod 46 from falling off the rain and sewage well embedded pipe 1, the anti-detachment ring 48 is inserted into the bottom groove 43, and the connecting screw rod 49 is used to fix the anti-detachment ring 48 in the bottom groove 43.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rainwater and sewage mixed drainage system, comprising a rainwater and sewage well pre-buried pipe (1), buried in the rainwater and sewage well, characterized in that: The top surface of the rainwater well buried pipe (1) is provided with a reserved groove (2), the top of the reserved groove (2) is plugged with a cover ring (10), the inner ring opening of the cover ring (10) is hinged with a well cover (12), the well cover (12) is overlapped on the gasket ring (11), the gasket ring (11) is fixed to the inner ring surface of the cover ring (10), a plurality of traction pipes (22) are fixed to the bottom surface of the cover ring (10), the bottom end of the traction pipe (22) is fixed to the surface of the connecting ring (23), a metal mesh cover (24) is fixed between the connecting ring (23) and the cover ring (10), a cleaning frame (52) is embedded in the bottom surface of the cover ring (10), a water storage cylinder (25) is installed at the bottom of the connecting ring (23), and two retaining rings are fixed to the bottom end of the water storage cylinder (25) (32), a drain port (34) is provided at the bottom of the water storage cylinder (25), a delivery pipe (30) and a rainwater pipe (31) are plugged and fixed on the surface of the rainwater well pre-buried pipe (1), the rainwater pipe (31) is located above the delivery pipe (30), a support pipe (35) is plugged and fixed on the surface of the rainwater well pre-buried pipe (1), a sewage pipe (36) is plugged inside the support pipe (35), an electric telescopic cylinder (38) is installed above the support pipe (35), a piston rod of the electric telescopic cylinder (38) is fixed below the water storage cylinder (25), the water storage cylinder (25) and the sewage pipe (36) are connected through a pipeline, and a one-way electromagnetic control valve (42) is installed on the pipeline; a plurality of spherical wheels (50) are embedded on the top surface of the cover ring (10).

2. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The rainwater well pre-buried pipe (1) is a "T"-shaped circular pipe, the reserved groove (2) is a "T"-shaped annular groove, the bottom surface of the reserved groove (2) is provided with an embedding groove (3), the embedding groove (3) is an annular groove, a fine mesh hard plate (4) is inserted into the inside of the embedding groove (3), a clamping ring (5) is fixed to the bottom surface of the fine mesh hard plate (4), the clamping ring (5) is inserted into the clamping groove (6), the clamping groove (6) is an annular groove with a circular arc fracture, and the clamping groove (6) is provided at the bottom of the embedding groove (3). The bottom end of the clamping ring (5) is sleeved and fixed with a rubber sleeve (7). After the fine mesh hard plate (4) is overlapped on the bottom surface of the embedding groove (3), the rubber sleeve (7) is inserted into the clamping groove (6). The cross-sectional diameter of the rubber sleeve (7) is larger than the slot width of the clamping groove (6). The top surface of the rainwater and sewage well pre-buried pipe (1) is provided with two side grooves (9). The side grooves (9) are connected with the reserved groove (2). The inside of the side groove (9) is inserted with a pull ring (8), and the pull ring (8) is fixed on the top surface of the fine mesh hard plate (4).

3. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The cover ring (10) is an annular plate-shaped structure. A mounting groove (14) is provided on the top surface of the cover ring (10). A limit axis (15) is fixed between two parallel side walls of the mounting groove (14). The limit axis (15) passes through a connecting handle (13). The connecting handle (13) is fixed to the side wall of the manhole cover (12). A limit rotation groove (16) is provided on the surface of the manhole cover (12). The limit rotation groove (16) is an "I"-shaped circular opening. A rotation handle (17) is rotatably connected inside the limit rotation groove (16). The rotation handle (17) is an "I"-shaped cylinder. A cross-shaped screw handle is fixed on the top surface of the rotation handle (17). A traction strip (18) is fixed to the bottom end of (17), the traction strip (18) passes through a through opening (19), the through opening (19) is opened on the surface of the gasket ring (11), the through opening (19) is square, a hanging piece (20) is fixed to the bottom end of the traction strip (18), the width of the hanging piece (20) is smaller than the width of the through opening (19), the plate length of the hanging piece (20) is smaller than the length of the long side of the notch of the through opening (19), a rubber gasket (21) is fixed to the inner ring surface of the cover ring (10), the rubber gasket (21) is a circular plate structure with an "L"-shaped cross section, and the bottom plate of the rubber gasket (21) is fixed to the top surface of the gasket ring (11).

4. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The connecting ring (23) is located in the inner ring opening of the metal mesh cover (24), and a sleeve ring (26) is sleeved and fixed on the top end of the water storage cylinder (25). After the top end of the water storage cylinder (25) is inserted into the inner ring opening of the connecting ring (23), the sleeve ring (26) abuts against the bottom surface of the connecting ring (23), and the sleeve ring (26) and the connecting ring (23) are fixed by bolts (27).

5. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: A second gasket ring (28) is fixed to the inner wall of the water storage cylinder (25), an anti-falling mesh plate (29) is overlapped on the upper side of the second gasket ring (28), and the anti-falling mesh plate (29) is fixed to the second gasket ring (28) by screws.

6. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The retaining ring (32) is a circular plate with a concave cross section. The two retaining rings (32) are arranged in an upper and lower position. A sealing ring (33) is fixedly mounted in a groove of the retaining ring (32). The outer diameter of the sealing ring (33) is larger than the inner diameter of the rainwater well pre-buried pipe (1). The sealing ring (33) is clamped between the retaining ring (32) and the rainwater well pre-buried pipe (1) to generate elastic deformation. The drain port (34) is located above the retaining ring (32) at the bottom.

7. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The support pipe (35) has a limit screw threadedly connected to its body for clamping and limiting the sewage pipe (36). A mounting seat (37) is fixed to the top surface of the support pipe (35), and the mounting seat (37) is sleeved and fixed on the bottom end of the electric telescopic cylinder (38).

8. The rainwater and sewage mixed drainage system according to claim 1, characterized in that: The pipeline comprises a connecting pipe 1 (39), a bellows (40) and a connecting pipe 2 (41); the top end of the sewage pipe (36) is plugged and fixed with the connecting pipe 1 (39); the top end of the connecting pipe 1 (39) is sleeved and fixed with the bellows (40); the top end of the bellows (40) is sleeved and fixed on the bottom end of the connecting pipe 2 (41); the connecting pipe 2 (41) is plugged and fixed on the bottom plate of the water storage cylinder (25); and a one-way electromagnetic control valve (42) is installed on the pipe body of the connecting pipe 1 (39) for regulating the flow cutoff inside the connecting pipe 1 (39).

9. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The bottom surface of the rainwater well pre-buried pipe (1) is provided with a bottom groove (43), the bottom groove (43) is an annular groove, a plurality of square grooves (44) are provided on the side wall of the bottom groove (43), a through hole (45) is provided on the surface of the square groove (44), a reinforcing rod (46) is inserted into the inside of the through hole (45), one end of the reinforcing rod (46) is fixed to the surface of a square plate (47), the square plate (47) is inserted into the square groove (44), and the plate thickness of the square plate (47) is less than the square groove ( 44), an anti-slip ring (48) is inserted into the interior of the bottom groove (43), the outer diameter of the anti-slip ring (48) is equal to the outer diameter of the bottom groove (43), the inner diameter of the anti-slip ring (48) is equal to the inner diameter of the rainwater and sewage well pre-buried pipe (1), and the height of the anti-slip ring (48) is equal to the height of the bottom groove (43), and a connecting screw (49) is screwed on the bottom surface of the anti-slip ring (48), and the connecting screw (49) penetrates the anti-slip ring (48) and is screwed on the top surface of the bottom groove (43).

10. A rainwater and sewage mixed drainage system according to claim 1, characterized in that: The bottom surface of the cover ring (10) is provided with a second embedding groove (51), the second embedding groove (51) being an annular groove, the cleaning frame (52) being inserted into the interior of the second embedding groove (51), the inner annular surface of the cleaning frame (52) being covered with bristles, the outer annular surface of the cleaning frame (52) being sleeved and fixed with a rubber ring (53), the outer diameter of the rubber ring (53) being larger than the outer diameter of the second embedding groove (51), after the cleaning frame (52) is inserted into the second embedding groove (51), the rubber ring (53) is clamped between the second embedding groove (51) and the cleaning frame (52) to generate elastic deformation.

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