CN114197616B

CN114197616B - Municipal drainage is with rainwater well that has filtering capability and be convenient for flood discharge

Info

Publication number: CN114197616B
Application number: CN202111496593.1A
Authority: CN
Inventors: 王江; 童嘉勤
Original assignee: Wuxi No5 Municipal Construction Engineering Co ltd
Current assignee: Wuxi No5 Municipal Construction Engineering Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-12-06
Anticipated expiration: 2041-12-08
Also published as: CN114197616A

Abstract

The application relates to a rainwater well with a filtering function and convenient flood discharge for municipal drainage, which comprises a drainage pipeline, a rainwater well cover arranged at the upper end of the drainage pipeline and a flood discharge pipeline communicated with the drainage pipeline, wherein the rainwater well cover is provided with a plurality of groups of flood discharge drain holes, each group of flood discharge drain holes are distributed in a fan shape, and the plurality of groups of flood discharge drain holes are annularly distributed on the rainwater well cover at intervals; the lower end of the rainwater well cover is provided with a drainage blocking cover, the drainage blocking cover is rotatably arranged in the drainage pipeline and comprises an outer ring, a central plate and a plurality of fan-shaped baffles, and the fan-shaped baffles are arranged at intervals and used for blocking flood discharge drain holes. The rotatable two states that are of normal water shield cover in this application, when rainfall, the flood discharge wash port is plugged up to the drainage shield cover, when rainfall is big, staggers with the flood discharge wash port, and the state of drainage shield cover can be adjusted according to the road ponding condition to this kind of design, makes things convenient for the flood discharge.

Description

Municipal drainage is with rainwater well that has filtering capability and be convenient for flood discharge

Technical Field

The utility model belongs to the technical field of municipal administration rainwater well's technique and specifically relates to a municipal administration drainage is with having filtering capability and being convenient for flood discharge's rainwater well.

Background

Catch basin is essential facility in the municipal works construction, along with the gradual increase of human activity, and city earth's surface land coverage reduces gradually, for smooth discharge road ponding and normal deposit groundwater, catch basin becomes essential facility. The side surface of the catch basin is provided with a hole which is connected with a drainage pipeline, and the bottom of the catch basin is provided with a water seepage pipe which extends downwards, so that rainwater can be supplemented to the underground and redundant rainwater can be drained away through the drainage pipeline, the ground settlement is slowed down, and the rainwater is prevented from submerging the road surface in the case of heavy rain.

Current rainwater well function is comparatively single, is provided with the wash port on the rainwater well lid usually, and the aperture of wash port is less, and drainage speed is slower, and under the great condition of rainfall, drainage speed is slower than surface of road ponding speed far away, consequently can lead to a large amount of ponding in road surface.

Content of application

In order when the rainfall is big, quick discharge surface ponding, this application provides a municipal drainage is with having filtering capability and be convenient for flood discharge's rainwater well.

The application provides a municipal drainage adopts following technical scheme with rainwater well that has filtering capability and be convenient for flood discharge:

a rainwater well with a filtering function and convenient flood discharge for municipal drainage comprises a drainage pipeline, a rainwater well cover arranged at the upper end of the drainage pipeline and a flood discharge pipeline communicated with the drainage pipeline;

the rainwater well cover is provided with a plurality of groups of flood discharge drain holes, each group of flood discharge drain holes are distributed in a fan shape, and the plurality of groups of flood discharge drain holes are annularly distributed on the rainwater well cover at intervals;

the rainwater well cover is characterized in that a drainage blocking cover is arranged at the lower end of the rainwater well cover and is rotatably arranged in the drainage pipeline, the drainage blocking cover comprises an outer ring, a central plate and a plurality of fan-shaped baffles arranged between the outer ring and the central plate, and the fan-shaped baffles are arranged at intervals and used for plugging the flood discharge holes.

Preferably, a main driving part and a slave driving part which are used for driving the drainage baffle cover to rotate are arranged in the drainage pipeline, and the main driving part is linked with the slave driving part.

Based on the design scheme, the main driving part and the auxiliary driving part in the drainage pipeline can drive the drainage baffle cover to rotate; the drainage keeps off the lid rotatable to two states, and one state is: the fan-shaped baffle in the drainage baffle cover is positioned below the flood discharge hole and can block the flood discharge pipe; the other state is: the fan-shaped baffle plate in the drainage baffle cover is staggered with the flood discharge hole, so that the accumulated water on the road can be discharged into a drainage pipeline through the flood discharge hole; therefore, the design can adjust the state of the drainage retaining cover according to the condition of road water accumulation, and flood discharge is facilitated.

Preferably, the slave driving part includes:

the rotating sleeve is rotatably arranged in the drainage pipeline, and a sliding groove is formed in the inner wall of the rotating sleeve along the vertical direction;

the connecting rod is fixedly arranged between the rotating sleeve and the drainage baffle cover, the upper end of the connecting rod is fixedly connected with the drainage baffle cover, and the lower end of the connecting rod is fixedly connected with the rotating sleeve;

the sliding part is arranged on the inner side of the rotating sleeve in a sliding mode, the sliding part is matched with the sliding groove in a sliding clamping mode, and the sliding part is used for driving the rotating sleeve to rotate.

Based on above-mentioned design, the slider receives the spacing of sliding tray, can drive rotatory sleeve when the slider receives rotary driving power and rotate, and rotatory sleeve can drive the connecting rod when rotating and remove, and the connecting rod gives the drainage fender lid with the rotational force transmission, makes the drainage fender lid rotate, changes the state of opening and shutting of flood discharge wash port.

Preferably, a fixed sleeve is fixedly connected in the drainage pipeline, the rotating sleeve is rotatably arranged in the fixed sleeve, and a ball for reducing friction force is arranged between the fixed sleeve and the rotating sleeve.

Based on above-mentioned design, rotatory sleeve rotates the in-process, owing to set up fixed sleeve and ball, provides the supporting force for rotatory sleeve's rotation to at rotatory in-process, the ball changes sliding friction into rolling friction, reduces frictional force, makes the drive lighter, and rotatory sleeve's rotation is more steady.

Preferably, the slider includes the sliding block and slides the magnetic sheet of being connected with the sliding block, the sliding block with sliding tray sliding clamping cooperation, the magnetic sheet slides along the horizontal direction.

Preferably, the main driving part includes:

the spiral upright stanchion is fixedly arranged in the drainage pipeline along the vertical direction;

the driving plate is movably sleeved on the spiral vertical rod and can rotate under the guidance of the spiral vertical rod when being driven by a driving force in the vertical direction;

the floating air bag is connected with the driving plate, is arranged in a hollow mode and can generate buoyancy on the water surface;

the floating plate is arranged between the floating air bag and the drainage pipeline, and the outer side of the floating plate is fixedly connected with a magnetic ring which is matched with the magnetic sheet in a magnetic attraction way.

Based on the design scheme, when the accumulated water in the drainage pipeline is more, the floating air bag rises along with the rise of the water level, the floating air bag drives the driving plate to move upwards when rising, and the plate edge is driven to move upwards and rotate under the limiting and guiding action of the spiral vertical rod, so that the floating air bag and the floating plate rotate synchronously; when the water draining blocking cover rotates, the floating plate drives the sliding piece to rotate and rise under the action of the magnetic ring, so that the rotating sleeve is driven to rotate, and the water draining blocking cover is driven to rotate.

Preferably, a straight slot which is in clamping fit with the spiral vertical rod is formed in the driving plate, and the width of the straight slot is larger than the thickness of the spiral vertical rod;

the floating air bag is fixedly sleeved outside the driving plate in a surrounding manner.

Based on above-mentioned design, the straight flute on the drive plate can remove smoothly in spiral pole setting, can not produce the dead phenomenon of card, and the gasbag that floats sets up in the outside of whole drive plate, and the drive power that receives when the drive plate removes is more steady, avoids the card to die.

Preferably, the floating plate includes:

an outer drive ring disposed outside the floating airbag and adjacent to the slider;

the connecting ribs are fixedly connected between the floating air bag and the outer driving ring and are provided in plurality;

and a filter screen is arranged between every two adjacent connecting ribs.

Based on above-mentioned design, ponding can be followed the clearance of floating plate and flowed downwards, and the filter screen between the splice bar can intercept rubbish, conveniently clears up the rubbish in the drainage pipe.

Preferably, a plurality of steel balls are embedded at the upper end of the drainage blocking cover and used for reducing the resistance of the drainage blocking cover during rotation.

Based on the above design scheme, when the drainage baffle cover rotates, the steel ball can reduce friction force, and the rotation is smoother.

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

1. the drainage baffle cover can be rotated into two states, when the rainfall is small, the drainage baffle cover blocks the flood discharge drain hole, and when the rainfall is large, the drainage baffle cover is staggered with the flood discharge drain hole, the state of the drainage baffle cover can be adjusted according to the road water accumulation condition through the design, and the flood discharge is facilitated;

2. the main drive portion mutually supports with from the drive portion, can keep off the rotation state of lid according to the ponding condition drive drainage in the drainage pipe, therefore can the rotation that the automatic drive drainage kept off the lid, and is more intelligent during the flood discharge.

Drawings

Fig. 1 is a structural front view of a rainwater well.

Fig. 2 is a structural plan view of a catch basin.

Fig. 3 isbase:Sub>A sectional view of the structure taken along the linebase:Sub>A-base:Sub>A in fig. 2.

FIG. 4 is a schematic view showing the inside structure of the drain pipe.

Fig. 5 is a schematic view of structural explosion of the rainwater well cover and the concrete installation step.

Fig. 6 is a partial structure diagram in fig. 4, which mainly shows a structure diagram after explosion of the spiral vertical rod and the driving plate.

Fig. 7 is a sectional perspective view of a partial structure of the main driving part.

Fig. 8 is a partial structural view of the rotating sleeve.

Fig. 9 is an enlarged schematic view of the structure of part B in fig. 8.

Fig. 10 is a schematic view of an exploded structure between a fixed sleeve and a rotating sleeve.

Description of the reference numerals: 1. a water discharge pipeline; 2. a rain well cover; 3. mounting steps on the concrete; 4. flood discharge drain holes; 5. a flood discharge conduit; 6. a drainage baffle cover; 61. an outer ring; 62. a center plate; 63. a fan-shaped baffle plate; 64. a steel ball; 7. a main drive section; 71. spirally erecting a rod; 72. a drive plate; 721. a straight groove; 73. a floating airbag; 74. a floating plate; 741. an outer drive ring; 742. connecting ribs; 743. a filter screen; 744. driving the magnetic ring; 75. a limiting plate; 8. a slave driving section; 81. rotating the sleeve; 811. a sliding groove; 812. a raceway; 82. a connecting rod; 83. a slider; 831. a sliding block; 832. a magnetic sheet; 833. a slide bar; 834. a card slot; 9. a fixed seat; 10. fixing the sleeve; 11. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses municipal drainage is with rainwater well that has filtering capability and be convenient for flood discharge. Referring to fig. 1 and 2, the rainwater well includes a drainage pipeline 1, the drainage pipeline 1 being a municipal rainwater pipeline, the drainage pipeline 1 being disposed on a road or a sidewalk. The upper end of the drainage pipeline 1 is provided with a rainwater well cover 2, the rainwater well cover 2 selects a round well cover, a concrete installation step 3 is arranged on a road or a sidewalk, and the rainwater well cover 2 is arranged on the installation step.

Referring to fig. 2, the rainwater well lid 2 is provided with a plurality of groups of flood discharge drain holes 4, each group of flood discharge drain holes 4 are distributed in a fan shape, the plurality of groups of flood discharge drain holes 4 are distributed on the rainwater well lid 2 at intervals in an annular shape, and each group of flood discharge drain holes 4 comprises a plurality of through holes. When the rainfall is large, the rainwater accumulated on the road can be drained from the flood discharge drain hole 4, and the drainage speed is accelerated.

Referring to fig. 1 and 2, drainage pipe 1 intercommunication has flood discharge pipeline 5, and flood discharge pipeline 5 sets up at drainage pipe 1's well hypomere, and drainage pipe 1's lower extreme meets with the soil, and when the rainfall was less, the rainwater directly permeates to earth, and when the rainfall was great, the water storage capacity in the soil descends, and the rainwater is amassed in drainage pipe 1's bottom, and the rainwater continues to upwards stretch can directly follow flood discharge pipeline 5 and locate to drain away. The filter plate can be connected at the water inlet of the flood discharge pipeline 5, so that larger garbage is prevented from entering the flood discharge pipeline 5 along with water flow.

Referring to fig. 3 and 4, the lower end of the rainwater well lid 2 is provided with a drainage blocking cover 6, the drainage blocking cover 6 is rotatably connected with the drainage pipeline 1, and the rainwater well lid 2 is attached to the drainage blocking cover 6.

Referring to fig. 5, the drain cover 6 includes an outer ring 61, a central plate 62, and a plurality of sector baffles 63 disposed between the outer ring 61 and the central plate 62, one end of each sector baffle 63 is fixed to the outer ring 61, the other end is fixed to the central plate 62, and the sector baffles 63 are spaced apart from each other. The angle of distribution of the fan-shaped baffles 63 is the same as that of the flood discharge holes 4.

When the rainfall is small, the fan-shaped baffle 63 is positioned below the flood discharge hole 4, so that the flood discharge hole 4 can be blocked. When the rainfall is large, more rainwater is accumulated on the road, the drainage baffle cover 6 rotates during operation, the fan-shaped baffle 63 and the flood discharge drain hole 4 are staggered, and the rainwater can be quickly discharged into the drainage pipeline 1 from the flood discharge drain hole 4.

Referring to fig. 5, in order to reduce the resistance of the drainage baffle cover 6 during rotation, a plurality of steel balls 64 are embedded in the upper end of the outer ring 61, and the steel balls 64 are attached to the lower end of the concrete installation step 3, so that the drainage baffle cover 6 is smoother during rotation.

Referring to fig. 3, a driving assembly for driving the drainage baffle to rotate is arranged in the drainage pipeline 1, and the driving assembly comprises a main driving part 7 and a slave driving part 8.

Referring to fig. 3 and 6, the main driving part 7 includes a spiral vertical rod 71 fixedly disposed in the drain pipeline 1, a driving plate 72 movably fitted on the spiral vertical rod 71, a floating air bag 73 connected to the driving plate 72, and a floating plate 74 disposed between the floating air bag 73 and the drain pipeline 1.

Referring to fig. 3, spiral pole setting 71 is detachably connected in drainage pipe 1's bottom to be located drainage pipe 1's axis position department, drainage pipe 1's bottom is provided with fixing base 9, spiral pole setting 71 can with fixing base 9 joint, also can with fixing base 9 threaded connection, spiral pole setting 71 easy to assemble, spiral pole setting 71 upper end rigid coupling has limiting plate 75.

Referring to fig. 6 and 7, a straight slot 721 is opened on the driving plate 72, and the width of the straight slot 721 is slightly larger than the thickness of the spiral vertical rod 71, specifically 2-5mm larger, so that the driving plate 72 can rotate under the guiding action of the spiral vertical rod 71 when being subjected to an upward or downward driving force.

Referring to fig. 7, the floating airbag 73 is fixed to the outside of the drive plate 72, and the floating airbag 73 surrounds the drive plate 72 and covers the inside thereof. The floating air bag 73 is of a circular structure, the floating air bag 73 is made of flexible rubber or flexible plastic, and the floating air bag 73 is filled with hollow gas, wherein the density of the gas is not less than that of the air.

Referring to fig. 7, the floating plate 74 includes an outer driving ring 741 and a coupling rib 742 coupled to the inner driving ring 741, and one end of the coupling rib 742 is fixed to the floating air bag 73 and the other end is fixed to the outer driving ring 741. The splice bar 742 is provided with a plurality ofly to be the annular equipartition setting, fixedly connected with filter screen 743 between the adjacent splice bar 742, filter screen 743 can intercept the rubbish that enters into in the drainage pipe 1, makes things convenient for sanitationman to clear up the rubbish in the drainage pipe 1.

Referring to fig. 7, a driving magnetic ring 744 is fixed to the outer side of the outer driving ring 741, and the driving magnetic ring 744 is used for matching with the driven part 8.

Referring to fig. 4 and 6, the slave driving part 8 includes a rotary sleeve 81 rotatably provided in the drainpipe 1, a connecting rod 82 fixedly connected between the rotary sleeve 81 and the drain cover 6, and a slider 83 slidably provided inside the rotary sleeve 81. The floating plate 74 engages with the slider 83 and moves the slider 83 upward or downward.

Referring to fig. 8, the inner side wall of the rotating sleeve 81 is opened with a plurality of sliding grooves 811, and the slider 83 is slidably disposed in the sliding grooves 811 in the vertical direction.

Referring to fig. 9, the sliding member 83 includes a sliding block 831 and a magnetic sheet 832 slidably connected to the sliding block 831, a sliding rod 833 is fixedly connected to one side of the magnetic sheet 832 close to the sliding block 831, the sliding block 831 is provided with a slot 834, and the sliding rod 833 is slidably inserted into the slot 834.

The length of the rotating sleeve 81 and the length of the sliding groove 811 need to be determined according to the rotation displacement of the main driving part 7, so that the main driving part 7 drives the secondary driving part 8 to rotate to a certain angle, that is, the fan-shaped baffle 63 in the drainage baffle cover 6 is staggered with the flood discharge hole 4, and the sliding part 83 stops displacement under the limit action of the sliding groove 811. The water level continues to rise and the main driving part 7 continues to rise, so that the slider 83 is separated from the floating plate 74 and the flood discharge hole 4 is kept open.

In order to prevent the sliding member 83 from sliding down in the sliding groove 811, the sliding block 831 is provided with anti-slip teeth on the outer side thereof to increase the friction force with the sliding groove 811, and can slide in the vertical direction under the driving of the floating plate 74, and cannot easily slide without being driven.

In order to make the magnetic sheet 832 smoothly fit with the magnetic ring, a certain displacement space is provided between the magnetic sheet 832 and the magnetic ring. When the driving magnetic ring 744 moves to one side of the magnetic sheet 832, the magnetic sheet 832 drives the sliding rod 833 to move under the action of the magnetic force, and the magnetic sheet 832 moves towards the driving magnetic ring 744. When the magnetic ring 744 continues to move upward, the magnetic ring 744 is separated from the magnetic sheet 832, and the magnetic sheet 832 needs to be reset. Therefore, a reset structure is arranged between the sliding rod 833 and the clamping groove 834, the magnetic reset or the spring reset can be used, and the sliding rod 833 can be retracted into the clamping groove 834 only under the condition that the magnetic sheet 832 is not dragged.

When water does not accumulate in the drainage pipeline 1, the magnetic ring on the outer side of the floating air bag 73 is attached to the magnetic sheet 832 in the sliding piece 83, and the floating air bag 73 and the sliding piece 83 are both located at the bottommost end of the drainage pipeline 1 under the action of gravity. When rainwater is accumulated in the drainage pipeline 1, the floating air bag 73 moves upwards under the action of buoyancy, the floating air bag 73 drives the driving plate 72 to move upwards, the driving plate 72 rotates under the guiding action of the spiral vertical rod 71, the rotating force is transmitted to the floating air bag 73 and the floating plate 74, the floating plate 74 drives the sliding piece 83 to rotate and simultaneously ascend, due to the limitation and the guidance of the sliding groove 811, the sliding piece 83 slides in the sliding groove 811 and simultaneously drives the rotating sleeve 81 to rotate in the drainage pipeline 1, and the rotating sleeve 81 can drive the drainage baffle cover 6 to rotate in the rotating process, so that the sector baffle 63 and the flood discharge hole 4 are staggered.

Referring to fig. 10, in order to make the rotation of the rotating sleeve 81 smoother and more stable, a fixed sleeve 10 is fixedly connected in the drainage pipeline 1, the rotating sleeve 81 is rotatably disposed inside the fixed sleeve 10, an upper set of balls 11 and a lower set of balls 11 are embedded on the inner wall of the fixed sleeve 10, a raceway 812 corresponding to the two sets of balls 11 is disposed on the rotating sleeve 81, and the balls 11 are in rolling fit with the raceway 812. When the sliding member 83 drives the rotating sleeve 81 to rotate, the rotation of the rotating sleeve 81 is more stable and smooth due to the arrangement of the balls 11.

The implementation principle of the embodiment is as follows:

when the rainfall is small, the initial position of the main driving part 7 is positioned at the bottom of the drainage pipeline 1, and the fan-shaped baffle 63 in the drainage baffle cover 6 is positioned below the flood discharge hole 4 to block the flood discharge hole 4.

When rainfall is large, the water storage capacity in the ground is reduced, rainwater is accumulated at the bottom of the drainage pipeline 1, the rainwater continues to spread upwards, the floating air bag 73 moves upwards under the action of buoyancy, the floating air bag 73 drives the driving plate 72 to move upwards, the driving plate 72 rotates under the guiding action of the spiral vertical rod 71, and the rotating force is transmitted to the floating air bag 73 and the floating plate 74, the floating plate 74 drives the sliding piece 83 to rotate and simultaneously ascend, due to the limitation and the guidance of the sliding groove 811, the sliding piece 83 slides in the sliding groove 811 and simultaneously drives the rotating sleeve 81 to rotate in the drainage pipeline 1, and the rotating sleeve 81 can drive the drainage baffle cover 6 to rotate in the rotating process, so that the fan-shaped baffle 63 and the flood discharge hole 4 are staggered.

At this time, the slider 83 is restricted by the slide groove 811 and cannot move further, the main drive unit 7 moves further upward, the magnetic ring 744 is driven to be separated from the slider 83, and the magnetic sheet 832 is reset to retract the slide rod 833 into the slot 834. The rain water continues to spread upwards and is drained from the flood discharge pipe 5.

When the water in the road area is reduced, the main driving part 7 moves downwards along with the reduction of the water level, when the driving magnetic ring 744 in the main driving part 7 moves to one side of the sliding part 83, under the action of magnetic force, the magnetic sheet 832 moves to one side of the driving magnetic ring 744 and is attached to the driving magnetic ring, the floating plate 74 drives the sliding part 83 to move downwards and rotate at the same time, the rotary sleeve 81 rotates to drive the drainage blocking cover 6 to reset, and the flood discharge hole 4 is blocked.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 drainage is with rainwater well that has filtering capability and flood discharge be convenient for, includes drainage pipe (1), sets up rainwater well lid (2) in drainage pipe (1) upper end and flood discharge pipeline (5) that are linked together with drainage pipe (1), its characterized in that:

a plurality of groups of flood discharge holes (4) are formed in the rainwater well cover (2), each group of flood discharge holes (4) are distributed in a fan shape, and the plurality of groups of flood discharge holes (4) are annularly distributed on the rainwater well cover (2) at intervals;

the drainage cover (6) is arranged at the lower end of the rainwater well cover (2), the drainage cover (6) is rotatably arranged in the drainage pipeline (1), the drainage cover (6) comprises an outer ring (61), a central plate (62) and fan-shaped baffles (63) arranged between the outer ring (61) and the central plate (62), a plurality of fan-shaped baffles (63) are arranged at intervals, and the fan-shaped baffles (63) are used for plugging the flood discharge holes (4);

a main driving part (7) and a slave driving part (8) which are used for driving the drainage baffle cover (6) to rotate are arranged in the drainage pipeline (1), and the main driving part (7) is linked with the slave driving part (8);

the main drive unit (7) includes:

the spiral vertical rod (71) is fixedly arranged in the drainage pipeline (1) along the vertical direction;

the driving plate (72) is movably sleeved on the spiral vertical rod (71) and can rotate under the guidance of the spiral vertical rod (71) when being driven by a vertical driving force;

the floating air bag (73) is connected with the driving plate (72), is arranged in a hollow manner, and can generate buoyancy on the water surface;

the floating plate (74) is arranged between the floating air bag (73) and the drainage pipeline (1), and a driving magnetic ring (744) is fixedly connected to the outer side of the floating plate (74);

the slave drive unit (8) includes:

the rotating sleeve (81) is rotatably arranged in the drainage pipeline (1), and a sliding groove (811) is formed in the inner wall of the rotating sleeve (81) along the vertical direction;

the connecting rod (82) is fixedly arranged between the rotating sleeve (81) and the drainage baffle cover (6), the upper end of the connecting rod (82) is fixedly connected with the drainage baffle cover (6), and the lower end of the connecting rod (82) is fixedly connected with the rotating sleeve (81);

the sliding piece (83) is arranged on the inner side of the rotating sleeve (81) in a sliding mode, the sliding piece (83) is in sliding clamping fit with the sliding groove (811), and the sliding piece (83) is used for driving the rotating sleeve (81) to rotate;

slider (83) slide including sliding block (831) and with sliding block (831) magnetic sheet (832) of sliding connection, sliding block (831) with sliding tray (811) sliding clamping cooperation, magnetic sheet (832) slide along the horizontal direction, drive magnetic ring (744) with magnetic sheet (832) looks magnetism is inhaled the cooperation.

2. The catch basin with the filtering function and the convenience of flood discharge for municipal drainage according to claim 1, characterized in that: the drainage pipeline is characterized in that a fixed sleeve (10) is fixedly connected into the drainage pipeline (1), a rotating sleeve (81) is rotatably arranged in the fixed sleeve (10), and a ball (11) used for reducing friction force is arranged between the fixed sleeve (10) and the rotating sleeve (81).

3. The rainwater well with filtering function and convenient flood discharge for municipal drainage according to claim 1, characterized in that: a straight groove (721) which is in clamping fit with the spiral upright stanchion (71) is formed in the driving plate (72), and the width of the straight groove (721) is larger than the thickness of the spiral upright stanchion (71);

the floating air bag (73) is fixedly sleeved on the outer side of the driving plate (72) in a surrounding manner.

4. The catch basin with the filtering function and the convenience of flood discharge for municipal drainage according to claim 1, characterized in that: the floating plate (74) includes:

an outer drive ring (741) disposed outside the floating airbag (73) and close to the slider (83);

a plurality of connecting ribs (742) fixedly connected between the floating airbag (73) and the outer driving ring (741);

a filter screen (743) is arranged between the adjacent connecting ribs (742).

5. The catch basin with the filtering function and the convenience of flood discharge for municipal drainage according to claim 1, characterized in that: the upper end of the drainage baffle cover (6) is embedded with a plurality of steel balls (64), and the steel balls (64) are used for reducing the resistance of the drainage baffle cover (6) during rotation.