CN113931281A

CN113931281A - Municipal rainwater treatment system

Info

Publication number: CN113931281A
Application number: CN202111258448.XA
Authority: CN
Inventors: 万政毅; 邹云梅; 刘亚娟; 姜小峰
Original assignee: Jiangsu Wanshi Changda Garden Co ltd
Current assignee: Jiangsu Wanshi Changda Garden Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-01-14
Anticipated expiration: 2041-10-27
Also published as: CN113931281B

Abstract

The utility model relates to a municipal administration rainwater processing system, including the drainage channel that is equipped with water drainage tank, install the rainwater grate on drainage channel, the rainwater grate is equipped with a plurality of and is equipped with a plurality of along drainage channel length direction, drainage channel includes that left side stands seat and right side stand seat, the rainwater grate is including rotating the connecting plate of connecting in left side stand seat and along the lap joint board of drainage channel width direction sliding connection on the connecting plate, the lap joint board deviates from connecting plate one end overlap joint in right side stand seat, be equipped with feedback mechanism on the right side stand seat, a feedback mechanism corresponds a rainwater grate at least. When the rainfall is very large, the water accumulated on the road surface reaches a certain depth, the feedback mechanism is triggered at the moment, the lap joint plate is pushed to the connecting plate, and the lap joint plate leaves the right vertical seat. Under the action of self-weight, the rainwater grate rotates downwards to one side of the drainage channel. At this moment, the upper end of the drainage channel is completely opened, so that accumulated water can enter the drainage channel more quickly, the drainage speed is increased, and the probability of accumulated water on the road surface is reduced.

Description

Municipal rainwater treatment system

Technical Field

The application relates to the field of municipal engineering, in particular to a municipal rainwater treatment system.

Background

At present, rainwater enters a drainage channel through a rainwater grate and is collected to a sewage treatment place by a drainage pipe to treat sewage. However, when the rainfall is very large, the whole system has no time to drain water, so that the drainage capability can not keep up with the rainfall speed, the city is submerged, and the daily life of people is influenced.

Disclosure of Invention

In order to increase the drainage speed in heavy rainfall,

the application provides a municipal rainwater treatment system adopts following technical scheme:

the utility model provides a municipal administration rainwater processing system, includes the drain channel that is equipped with the water drainage tank, installs the rainwater grate on the drain channel, the rainwater grate is equipped with a plurality of and is equipped with a plurality of along drain channel length direction, the drain channel includes left vertical seat and right vertical seat, the rainwater grate is including rotating the connecting plate of connecting in left vertical seat and along drain channel width direction sliding connection in the overlap joint board on the connecting plate, the overlap joint board deviates from connecting plate one end overlap joint in right vertical seat, be equipped with feedback mechanism on the vertical seat of right side, feedback mechanism is used for pushing the overlap joint board to the connecting plate at a certain time of the long-pending water yield in road surface and makes the overlap joint board break away from right vertical seat, and a feedback mechanism corresponds a rainwater grate at least.

Through adopting above-mentioned technical scheme, when daily use, the rainwater enters into the water drainage tank when rainwater grate prefilter, then flows into municipal pipeline after gathering in the water drainage tank. When the rainfall is very large, the water accumulated on the road surface reaches a certain depth, the feedback mechanism is triggered at the moment, the lap joint plate is pushed to the connecting plate, and the lap joint plate leaves the right vertical seat. Under the action of self-weight, the rainwater grate rotates downwards to one side of the drainage channel. At this moment, the upper end of the drainage channel is completely opened, so that accumulated water can enter the drainage channel more quickly, the drainage speed is increased, and the probability of accumulated water on the road surface is reduced.

Optionally, the upper end surface of the right vertical seat is provided with a holding tank along the vertical direction, the side wall of the middle part of the holding tank is provided with a through groove communicated with the drainage tank, the feedback mechanism comprises a floating ball slidably connected in the holding tank along the vertical direction, a push rod fixedly mounted on the floating ball, a mounting seat mounted in the holding tank, and a first reset piece connected between the push rod and the mounting seat, the upper end of the push rod is obliquely arranged to form a first guide surface, and the lap plate is obliquely arranged towards one end of the right vertical seat to form a second guide surface; when the lap joint plate abuts against the upper end of the right vertical seat, the second guide surface abuts against the first guide surface, and the floating ball is located below the through groove.

Through adopting above-mentioned technical scheme, when daily use, the rainwater enters into the holding tank to flow to the water drainage tank in through the groove, make the push rod keep at a take the altitude, the overlap joint board overlap joint is on the right vertical seat this moment, makes the rainwater that enters into the water drainage tank all filtered through the rainwater grate. When surface gathered water is deep, the water intake speed of holding tank is greater than the speed through leading to the groove drainage, and the floater drives the push rod upward movement this moment, and the push rod pushes away the lap-joint plate from right side and stands the seat. The rainwater grate rotates under the effect of dead weight to make the drain tank upper end full open, thereby make the rainwater can be faster enter into the drain tank, improved drainage speed, reduced surface gathered water.

Optionally, mount pad sliding connection is in the holding tank, it is connected with adjusting screw to rotate on the mount pad, adjusting screw sets up along vertical direction, just adjusting screw lower extreme threaded connection stands in the right side.

By adopting the technical scheme, the height of the mounting seat can be adjusted by screwing the adjusting bolt, so that the initial position of the push rod is adjusted. Thereby adjusting the resistance that the push rod moves to push the strap away from the right riser to overcome. Thereby ensuring that the rainwater grate rotates relative to the drainage channel under the preset accumulated water amount.

Optionally, the connecting plate up end is seted up and is used for inlaying the caulking groove of establishing the overlap joint board, the dovetail has been seted up along water drainage tank width direction to the caulking groove tank bottom, sliding connection has the slider in the dovetail, overlap joint board fixed connection is in the slider.

Through adopting above-mentioned technical scheme to ensure that the connecting plate when the rotation downwards, the overlap joint board can follow the connecting plate and rotate downwards, makes the water drainage tank upper end opened.

Optionally, the push rod abuts against the side wall of the accommodating groove, a first drainage hole is formed in the push rod along the vertical direction, the first drainage hole is communicated with the upper end and the lower end of the push rod, and a second drainage hole corresponding to the first drainage hole is formed in the lap joint plate.

Through adopting above-mentioned technical scheme to make the push rod can remove along established orbit, make the push rod can be better with the bridging plate push away from right side seat.

Optionally, be equipped with on the right side founds the seat and be used for adjusting the adjusting part who leads to the groove size, adjusting part includes along vertical direction sliding connection in the right side founds the regulating plate of seat and is used for locking the locking piece that regulating plate and right side founded the seat, the regulating plate is used for blockking logical groove.

Through adopting above-mentioned technical scheme, the accessible is adjusted logical groove's size, adjusts the drainage rate of holding tank to adjust the ponding degree of depth that triggers feedback mechanism.

Optionally, a linkage block is arranged on one side of the connecting plate between the two connecting plates, and a linkage groove is formed in the other side of the connecting plate and communicated with the upper end face of the connecting plate; when the lap joint plate is abutted against the right vertical seat, the linkage block is embedded in the linkage groove.

By adopting the technical scheme, when one rainwater grate is triggered to rotate, the other rainwater grates are also in linkage and cooperation. On one hand, the probability that a single rainwater grate rotates due to mistaken touch can be prevented, and on the other hand, the rainwater grate can be stably and integrally rotated in the accumulated water mode to open the drainage channel.

Optionally, the depth of the drainage groove is greater than the width of the rainwater grate, an elastic part used for enabling the connecting plate to rotate downwards is arranged between at least one connecting plate and the left vertical seat, and the elastic part is detachably connected with the left vertical seat.

By adopting the technical scheme, the power for driving the rainwater grate to rotate can be adjusted by installing the elastic pieces with different elastic potential energy. The rainwater grate can be stably lapped on the right vertical seat when needing lapping; when the rotation is needed, the rotation can be stably carried out to one side of the drainage groove.

Optionally, the drain pipe that is used for being connected with the municipal pipeline is connected on the drainage canal, drain pipe and water drainage tank intercommunication, the junction of water drainage tank and drain pipe is equipped with filter module, filter module along drain pipe length direction sliding connection in water drainage tank, be equipped with the connection rope between rainwater grate and the filter module, work as when the rainwater grate leaves right grudging post and rotates to butt vertical state, filter module is pulled from the drain pipe.

Through adopting above-mentioned technical scheme, under the not big condition of displacement, the drainage is earlier after the filtration of filter module, and the city administrative system that flows into makes things convenient for follow-up to carry out recovery processing and utilization to the rainwater. When the displacement demand is great, rainwater grate was turned over this moment, drove simultaneously and filtered module and leaves the drain pipe, made the rainwater can discharge municipal system more fast, reduced ponding.

Optionally, a second resetting piece is arranged between the filtering module and the side wall of the drainage groove; when the rainwater grate is lapped on the right vertical seat, the filtering module is abutted against the communicating port of the drain pipe and the drainage groove under the action of the second reset piece.

Through adopting above-mentioned technical scheme, after ponding is discharged, can reset to the rainwater grate by the manual work, after the rainwater grate resets, the filtration module can be under the effect of second piece that resets, and the operation of being more convenient for is replied to the state of butt in the drain pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the water accumulated on the road surface is more, the rainwater grate can be automatically opened to accelerate the drainage;

2. when the rainwater grate and the filtering module are used daily, rainwater is primarily filtered, so that subsequent rainwater can be conveniently and intensively treated and recycled;

3. the feedback mechanism has simple structure, no electronic element, stable performance and lower cost.

Drawings

FIG. 1 is a schematic structural view of example 1.

FIG. 2 is a plan view of embodiment 1.

FIG. 3 is a sectional view of embodiment 1.

FIG. 4 is a sectional view of embodiment 2.

FIG. 5 is a partial schematic view of embodiment 3.

Description of reference numerals: 1. a drainage channel; 2. a rainwater grate; 3. a drain pipe; 4. a left vertical seat; 5. a right vertical seat; 6. a base; 7. a water discharge tank; 8. a connecting plate; 9. a lap plate; 10. caulking grooves; 11. a dovetail groove; 12. a slider; 13. a feedback mechanism; 14. a push rod; 15. a floating ball; 16. a mounting seat; 17. a first reset member; 18. accommodating grooves; 19. a first groove; 20. a second groove; 21. adjusting the screw rod; 22. a first drain hole; 23. a second drain hole; 24. an adjusting plate; 25. a locking member; 26. mounting holes; 27. a through groove; 28. a linkage block; 29. a linkage groove; 30. an elastic member; 31. a filtration module; 32. connecting ropes; 33. a second reset member; 34. a placement groove; 35. an air bag; 36. a gas supply box; 37. a containing groove; 38. piercing the stem; 39. a spring; 40. a stop lever; 41. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Example 1:

the embodiment of the application discloses municipal rainwater processing system. Referring to fig. 1 and 2, a municipal rainwater treatment system includes a drain channel 1, a rainwater grate 2, and a drain pipe 3. The drain 1 includes a left vertical base 4, a right vertical base 5, and a base 6. The left vertical seat 4 and the right vertical seat 5 are respectively fixedly connected to two ends of the base 6, a drainage groove 7 is formed among the left vertical seat 4, the right vertical seat 5 and the base 6, and the rainwater grate 2 covers the drainage channel 1 and closes an opening at the upper end of the drainage groove 7. The drain pipe 3 is connected to the drain channel 1 and communicates with the drain tank 7. In daily use, the rainwater enters into water drainage tank 7 after filtering through rainwater grate 2, then discharges into the municipal pipeline through drain pipe 3 in, goes to carry out subsequent rainwater and handles.

Referring to fig. 2 and 3, in order to drain water more rapidly when water is accumulated in a deeper position on the road surface, the depth of the drainage channel 7 is greater than the width of the rainwater grate 2. The rainwater grate 2 comprises a connecting plate 8 and a lapping plate 9. One end of the connecting plate 8 is rotatably connected to the left vertical seat 4, the other end of the connecting plate is provided with an embedded groove 10, and the embedded groove 10 is communicated with the side walls on two sides of the connecting plate 8. A dovetail groove 11 is formed in the bottom of the caulking groove 10 along the width direction of the drainage groove 7, a sliding block 12 is connected in the dovetail groove 11 in a sliding mode, and the lapping plate 9 is fixedly connected to the sliding block 12. The strap 9 is inserted into the groove 10 and is slidably connected to the groove 10. One end of the lapping plate 9 far away from the connecting plate 8 is lapped on the right vertical seat 5. The right vertical seat 5 is provided with a feedback mechanism 13.

When the water amount in the road surface reaches a certain depth, the feedback mechanism 13 pushes the lapping plate 9 to the connecting plate 8 so that the lapping plate 9 is separated from the right vertical seat 5. At the moment, under the self-weight of the rainwater grate 2, the rainwater grate 2 rotates relative to the drainage channel 1, so that the upper end of the drainage channel 7 is opened, drainage can be accelerated, and the water accumulation is reduced.

Referring to fig. 3, specifically, the feedback mechanism 13 includes a push rod 14, a floating ball 15, a mounting seat 16 and a first restoring member 17. The upper end surface of the right vertical seat 5 is provided with a containing groove 18 along the vertical direction. The receiving groove 18 includes a first groove 19 for the push rod 14 to slide and a second groove 20 for the floating ball 15 to float. The second groove 20 is located below the first groove 19 and communicates with the first groove 19. The push rod 14 is slidably connected in the first groove 19, and the lower end of the push rod 14 is located in the second groove 20. The floating ball 15 is fixedly sleeved outside the lower end of the push rod 14, and the floating ball 15 is located in the second groove 20. The side wall of the second groove 20 is provided with a channel, and the through groove 27 is communicated with the drainage groove 7. In the initial state, the float ball 15 is located below the through groove 27.

The mounting seat 16 is mounted in the receiving groove 18 through an adjusting screw 21 and fixed relative to the bottom of the receiving groove 18. The first restoring member 17 is a spring, and two ends of the first restoring member 17 are fixedly connected to the push rod 14 and the mounting base 16 respectively. The push rod 14 includes the body of rod and the ejector pad of fixed connection in the body of rod top, and the ejector pad of the upper end of push rod 14 is the slope towards the lapping plate 9 and sets up formation first spigot surface, and the lapping plate 9 is the slope towards right vertical seat 5 one end and sets up formation second spigot surface, second spigot surface butt in first spigot surface. The push rod 14 is provided with a first water drainage hole 22 along the vertical direction, the first water drainage hole 22 is communicated with the upper end and the lower end of the push rod 14, and the lapping plate 9 is provided with a second water drainage hole 23 corresponding to the first water drainage hole 22.

During daily use, rainwater enters the holding tank 18 through the second drain hole 23 and the first drain hole 22 and flows into the drainage channel 7 through the through groove 27, so that the push rod 14 is kept at a certain height, the lapping plate 9 is lapped on the right vertical seat 5 at the moment, and the rainwater entering the drainage channel 7 is filtered through the rainwater grate 2. When the surface water is deep, the water inlet speed of the accommodating groove 18 is higher than the water discharging speed through the through groove 27, at the moment, the floating ball 15 drives the push rod 14 to move upwards, and the push rod 14 pushes the lapping plate 9 away from the right vertical seat 5. The rainwater grate 2 rotates under the action of dead weight, so that the upper end of the drainage groove 7 is fully opened, rainwater can quickly enter the drainage groove 7, the drainage speed is increased, and the surface gathered water is reduced. In order to make the rotation smoother, the end of the strap 9 facing away from the web 8 is rounded.

Referring to fig. 3, in order to allow the rain water grate 2 to be stably positioned at a predetermined position, the adjusting screw 21 is vertically disposed, and the mounting seat 16 is rotatably coupled to the polished rod portion of the adjusting screw 21 through a bearing. The lower end of the adjusting screw 21 is connected with the right vertical seat 5 in a threaded manner. The initial position of the mounting seat 16, i.e. the initial position of the push rod 14, can be set by screwing the adjusting screw 21, thereby ensuring that the push rod 14 can better support the lapping plate 9 in the initial position.

Referring to fig. 3, in order to adjust the water accumulation depth when the feedback mechanism 13 feeds back, an adjusting assembly for adjusting the size of the through groove 27 is arranged on the right vertical base 5, and the adjusting assembly comprises an adjusting plate 24 connected to the right vertical base 5 in a sliding manner along the vertical direction and a locking member 25 for locking the adjusting plate 24 and the right vertical base 5. The adjustment plate 24 serves to block the through slot 27. The locking member 25 is provided with at least two, and the locking member 25 is a bolt. The adjusting plate 24 is provided with a plurality of mounting holes 26, and the locking member 25 is screwed to the right vertical base 5 through the mounting holes 26. The locking pieces 25 are matched with different mounting holes 26, so that the adjusting plates 24 are mounted at different heights, and the sizes of the through grooves 27 are adjusted. The smaller the through groove 27 is, the shallower the depth of the accumulated water corresponding to the feedback of the feedback mechanism 13.

Referring to fig. 2, in order to reduce false triggering, a linkage block 28 is disposed on one side of the connecting plate 8 located between the two connecting plates 8, and a linkage groove 29 is disposed on the other side of the connecting plate 8, wherein the linkage groove 29 is communicated with the upper end surface of the connecting plate 8. The linkage block 28 on the connecting plate 8 is embedded in the linkage groove 29 on the connecting plate 8 adjacent to the linkage block. If when the rainwater grate is used, only one accumulated water in one row of the rainwater grates 2 triggers the feedback mechanism 13, at the moment, although the lapping plate 9 is pushed to the connecting plate 8, other rainwater grates 2 are in a state of lapping on the right vertical seat 5, so that the rainwater grate 2 cannot rotate relative to the drainage channel 1. Of course, when most of the rain water grates 2 are triggered, all the rain water grates 2 can smoothly rotate relative to the drainage channel 1, and the drainage channel 7 is opened.

Referring to fig. 3, after several rain water grates 2 are triggered for the adjustment to the bottom, all the rain water grates 2 can rotate with respect to the drain channel 1. An elastic piece 30 used for enabling the connecting plate 8 to rotate downwards is arranged between the at least one connecting plate 8 and the left vertical seat 4, and the elastic piece 30 is a tension spring. One end of the tension spring is fixedly connected to the connecting plate 8, and the other end of the tension spring is mounted on the left vertical seat 4 through a bolt. When the lapping plate 9 is abutted on the right vertical seat 5, the tension spring is in stretching arrangement. After the lap joint plate 9 is adjusted to leave the right vertical seat 5 by adjusting the number of the installed elastic pieces 30, the driving force received by the rainwater grate 2 enables the rainwater grate 2 to rotate relative to the drainage channel 1 more stably.

The implementation principle of a municipal rainwater treatment system in the embodiment of the application is as follows:

in the initial state, the lapping plate 9 is lapped on the right vertical seat 5, and the rainwater grate 2 shields the drainage channel 7. When daily rainfall, the rainwater enters into water drainage tank 7 after rainwater grate 2 prefilter to in the drain pipe 3 is gone into to the busbar, in the flow direction municipal pipeline.

If more ponding has been had on the road surface, the velocity of intaking of holding tank 18 is greater than the speed of the drainage through logical groove 27 this moment, and floater 15 drives push rod 14 upward movement, and push rod 14 pushes away lapping plate 9 from right vertical seat 5. The rainwater grate 2 rotates downwards to enable the upper end of the drainage groove 7 to be fully opened, so that rainwater can enter the drainage groove 7 more quickly, the drainage speed is improved, and accumulated water on the road surface is reduced.

Example 2:

referring to fig. 4, embodiment 2 is different from embodiment 1 in that a filter module 31 is provided at the junction of the drain tank 7 and the drain pipe 3, and the filter module 31 is slidably coupled to the drain tank 7 along the length direction of the drain pipe 3. A connecting rope 32 is arranged between one rainwater grate 2 and the filtering module 31, and the connecting rope 32 can be a steel rope. Specifically, one end of the connecting rope 32 is fixedly connected to the rotating end of the connecting rod 8, and the other end is fixedly connected to the upper end of the filtering module 31. Be equipped with the second piece 33 that resets between filtration module 31 and the drain tank 7 lateral wall, the second piece 33 that resets is the spring, and the second resets 33 both ends and fixes connection in filtration module 31 and drain tank 7 lateral wall respectively.

During daily use, the filter module 31 abuts against the communication port between the drain pipe 3 and the drain groove 7. The rainwater firstly passes through the filtration module 31 after the prefilter, enters into the drain pipe 3 again, and convenient follow-up rainwater is handled. When ponding is more, rainwater grate 2 leaves right vertical seat 5 and rotates to 7 inner walls of butt drain tank, and filter module 31 is pulled from drain pipe 3, makes the drainage speed can be faster. When the rainwater grate 2 is manually reset to be lapped on the right vertical seat 5, the filtering module 31 is abutted at the communication port of the drain pipe 3 and the drain groove 7 under the action of the second resetting piece 33.

Example 3:

referring to fig. 5, embodiment 3 is different from embodiment 1 in that a placement groove 34 is opened in the left vertical base 4, and a baffle plate 41 for blocking the placement groove 34 is rotatably connected to an upper end of the placement groove 34. An air bag 35 and an air supply box 36 are arranged on the inner bottom surface of the placing groove 34, and the air supply box 36 is positioned in the air bag. A containing groove 37 is formed in the position, corresponding to the gas supply box 36, of the inner bottom surface of the containing groove, and a puncturing rod 38 for puncturing the gas supply box 36 to enable the gas supply box to generate gas is connected in the containing groove 37 in a sliding mode along the vertical direction. A spring 39 for urging the piercing rod 38 toward the gas supply case 36 is provided between the piercing rod 38 and the groove wall of the accommodating groove 37. A stop lever 40 is fixedly connected to one end of the connecting plate 8, and the stop lever 40 abuts against the upper end of the puncturing rod 38 for keeping the puncturing rod 38 at a position where the air supply box 36 cannot be punctured.

When the connecting plate 8 rotates relative to the left vertical seat 4, the stop lever 40 leaves the puncture lever 38, the puncture lever 38 moves towards the air supply box 36 under the pushing of the spring 39, so that the air supply box 36 starts to supply air to the air bag 35, and the air bag 35 pushes the baffle plate 41 after expanding and expands out of the placing groove 34. The novel street lamp can play a certain reminding role in the water accumulation period, and can be used for passers to climb, so that the difficulty and the death rate of people walking in the heavy rain period are reduced.

The gas supply cartridge 36 may be a cartridge containing various compounds, the generation of which is accomplished by piercing the separation membrane between the compounds through a piercing rod 38, such as a cartridge of various compounds, which causes the separate compounds to merge together through the piercing rod 38. Such as citric acid and sodium bicarbonate and water, can produce large amounts of carbon dioxide to inflate the balloon.

The gas supply cartridge 36 may also be a conventional module having a gas release button, which is depressed by the piercing rod 38 to initiate gas supply to the gas supply cartridge 36. Of course, the air supply principle of the air supply box 36 may also be the air inflation principle of an airbag, that is, after the trigger is punctured, an explosion is generated, so as to inflate the airbag, which is not described herein again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a municipal administration rainwater processing system, is including drainage canal (1) that is equipped with water drainage tank (7), install rainwater grate (2) on drainage canal (1), rainwater grate (2) are equipped with a plurality of and are equipped with a plurality of, its characterized in that along drainage canal (1) length direction: drainage channel (1) is including left side riser (4) and right riser (5), rainwater grate (2) including rotate connect in connecting plate (8) of left riser (4) and along lap strap (9) on connecting plate (8) of water drainage tank (7) width direction sliding connection, lap strap (9) deviate from connecting plate (8) one end overlap joint in right riser (5), be equipped with feedback mechanism (13) on right riser (5), feedback mechanism (13) are used for pushing lap strap (9) to connecting plate (8) at a certain time with lap strap (9) and make lap strap (9) break away from right riser (5), and a feedback mechanism (13) correspond one rainwater grate (2) at least.

2. The municipal rainwater treatment system of claim 1, wherein: the upper end surface of the right vertical seat (5) is provided with a containing groove (18) along the vertical direction, the side wall of the middle part of the containing groove (18) is provided with a through groove (27) communicated with the drainage groove (7), the feedback mechanism (13) comprises a floating ball (15) which is connected in the containing groove (18) in a sliding manner along the vertical direction, a push rod (14) which is fixedly arranged on the floating ball (15), an installation seat (16) which is arranged in the containing groove (18) and a first reset piece (17) which is connected between the push rod (14) and the installation seat (16), the upper end of the push rod (14) is obliquely arranged to form a first guide surface, and one end of the lapping plate (9) facing the right vertical seat (5) is obliquely arranged to form a second guide surface; when the lap plate (9) abuts against the upper end of the right vertical seat (5), the second guide surface abuts against the first guide surface, and the floating ball (15) is located below the through groove (27).

3. A municipal rainwater treatment system according to claim 2, wherein: mount pad (16) sliding connection is in holding tank (18), it is connected with adjusting screw (21) to rotate on mount pad (16), adjusting screw (21) set up along vertical direction, just adjusting screw (21) lower extreme threaded connection stands seat (5) on the right side.

4. A municipal rainwater treatment system according to claim 2, wherein: caulking groove (10) that are used for inlaying establishing overlap joint board (9) are seted up to connecting plate (8) upper end, dovetail (11) have been seted up along water drainage tank (7) width direction to caulking groove (10) tank bottom, sliding connection has slider (12) in dovetail (11), overlap joint board (9) fixed connection is in slider (12).

5. A municipal rainwater treatment system according to claim 4, wherein: the push rod (14) abuts against the side wall of the accommodating groove (18), a first water drainage hole (22) is formed in the push rod (14) in the vertical direction, the first water drainage hole (22) is communicated with the upper end and the lower end of the push rod (14), and a second water drainage hole (23) corresponding to the first water drainage hole (22) is formed in the lap joint plate (9).

6. A municipal rainwater treatment system according to claim 5, wherein: stand and be equipped with the adjusting part who is used for adjusting logical groove (27) size on seat (5) on the right side, the adjusting part includes along vertical direction sliding connection in the right side stand adjusting plate (24) of seat (5) and locking piece (25) that are used for locking adjusting plate (24) and right side stand (5), adjusting plate (24) are used for blockking logical groove (27).

7. The municipal rainwater treatment system according to claim 6, wherein: one side of the connecting plate (8) positioned between the two connecting plates (8) is provided with a linkage block (28), the other side of the connecting plate is provided with a linkage groove (29), and the linkage groove (29) is communicated with the upper end surface of the connecting plate (8); when the lapping plate (9) is abutted to the right vertical seat (5), the linkage block (28) is embedded in the linkage groove (29).

8. The municipal rainwater treatment system of claim 7, wherein: the depth of the drainage channel (7) is larger than the width of the rainwater grate (2), at least one elastic piece (30) used for enabling the connecting plate (8) to rotate downwards is arranged between the connecting plate (8) and the left vertical seat (4), and the elastic piece (30) is detachably connected with the left vertical seat (4).

9. The municipal rainwater treatment system of claim 1, wherein: be connected with drain pipe (3) that are used for being connected with the municipal pipeline on drainage canal (1), drain pipe (3) and water drainage tank (7) intercommunication, water drainage tank (7) are equipped with filter module (31) with the junction of drain pipe (3), filter module (31) are along drain pipe (3) length direction sliding connection in water drainage tank (7), be equipped with between rainwater grate (2) and filter module (31) and connect rope (32), work as when rainwater grate (2) leave right side riser (5) and rotate to the vertical state of butt, filter module (31) are pulled from drain pipe (3).

10. A municipal rainwater treatment system according to claim 9, wherein: a second reset piece (33) is arranged between the filtering module (31) and the side wall of the drainage groove (7); when the rainwater grate (2) is lapped on the right vertical seat (5), the filtering module (31) is abutted to a communication opening between the drain pipe (3) and the drain groove (7) under the action of the second resetting piece (33).