CN212715280U

CN212715280U - Outdoor blind ditch drainage sump pit structure

Info

Publication number: CN212715280U
Application number: CN202021118512.5U
Authority: CN
Inventors: 田杰
Original assignee: Sichuan Huanyu Architectural Design Co ltd
Current assignee: Sichuan Huanyu Architectural Design Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-16
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an outdoor french drain drainage sump pit structure, including the sump pit main part, the sump pit main part internal fixation is provided with the rose box, and the one end and the drain pipe intercommunication of rose box, other end intercommunication have the collector pipe, and the one end UNICOM that the rose box was kept away from to the collector pipe has the header tank, is provided with one-level filtering component on the rose box, is provided with the second grade on the header tank and filters the piece. After outdoor road surface ponding, ponding gets into in the drain pipe via the french drain, in the drain pipe flows into the rose box, through one-level filtering component's filtration, great debris in the ponding are filtered and are got rid of, then ponding flows into in the header tank through the collector pipe, through second grade filterable ponding again via the water pump output to the external world, realize the french drain drainage, debris through one-level filtering component and second grade filtering component outdoor road area aquatic filter and clear away, avoid the debris of water pump ponding in the course of the work to cause the jam to the water pump.

Description

Outdoor blind ditch drainage sump pit structure

Technical Field

The utility model relates to a plumbing technical field, in particular to outdoor french drain drainage sump pit structure.

Background

The blind ditch water collecting and draining pit is formed by arranging filling materials in a roadbed or foundation, paving a filtering layer and burying a water permeable pipe in the filtering layer, and is generally used in places requiring good drainage, such as a gymnasium, a museum and the like.

Chinese patent No. CN210529904U discloses an outdoor blind ditch drainage sump structure, which comprises a sump main body, wherein the cross section of the sump main body is in a shape of "convex", an access cover plate is arranged on the population on the top surface of the sump main body, an access platform is arranged in the middle of the inner wall of the sump main body, the access platform divides the sump main body into an upper sump and a lower sump, a plurality of crawling ladders are arranged on the inner wall of the sump main body, and a coupling submersible sewage pump is arranged at the bottom of the sump main body; when the blind ditch sump structure drains, outside accumulated water enters the sump main body from the blind ditch, and the accumulated water entering the sump is discharged through the submersible sewage pump, so that the water collecting and draining work is completed.

The above prior art scheme has following defect, via the inside ponding of french drain entering sump pit, just through the inside simple settlement of sump pit just discharge the inside ponding that gets into the sump pit by stealthily dirty pump, easily causes the jam to stealthily dirty pump in the drainage process, needs regularly to change stealthily dirty pump or carry out frequent washing maintenance to stealthily dirty pump, very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor french drain drainage sump pit structure has and can avoid the water pump to block up the advantage to a certain extent.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an outdoor french drain drainage sump structure, includes the sump pit main part, the blind ditch hole has been seted up on the sump pit main part inner wall, be provided with the drain pipe in the blind ditch hole, the drain pipe link up with the french drain, the sump pit main part internal fixation is provided with the rose box, the sump pit main part internal fixation is provided with the water pump, the one end and the drain pipe intercommunication of rose box, other end intercommunication have the collector pipe, the collector pipe is kept away from the one end UNICOM of rose box and is had the header tank, the header tank internal fixation is provided with the overflow board that divide into the header tank and collection box, the water inlet and the collection box intercommunication of water pump, the delivery port and the wet return intercommunication of water pump, be provided with the one-level filtering component who is used for filtering ponding on the rose box, be provided with the second grade filter.

Through adopting above-mentioned technical scheme, after there is ponding outdoor road surface, ponding gets into in the drain pipe via the french drain, flow into in the rose box through the drain pipe, through the filtration of the primary filter subassembly in the rose box, great debris filter in the ponding gets rid of, through once filterable ponding through the collector pipe flow in the settling tank of header tank, through once filterable ponding subsides at settling tank in, after the ponding liquid level height in the settling tank surpassed the height of overflow plate, supernatant does not cross the overflow plate, through the filtration entering collection box of secondary filter piece in, export the external world via the water pump, realize the french drain drainage, debris through primary filter subassembly and secondary filter spare outdoor road area aquatic are filtered and are clear away, avoid the debris of water pump in the working process ponding to cause the water pump to block up.

The present invention may be further configured in a preferred embodiment as: the one-level filtering component comprises a mounting plate and a one-level filtering plate, a connecting hole is formed in the filtering box, the water collecting pipe is communicated with the connecting hole, the mounting plate is fixedly arranged in the connecting hole, a plurality of mounting holes penetrating through the mounting plate are formed in the mounting plate, and the one-level filtering plate is arranged in the mounting hole.

Through adopting above-mentioned technical scheme, outdoor road ponding filters through the one-level filter that sets up in the mounting hole in the blind ditch entering rose box, the ponding that gets into in the rose box, filters great debris in the ponding, flows into the header tank via the collector pipe in, filters the ponding through the one-level filter, makes great debris in the ponding clear up, has alleviateed the drainage pressure in follow-up in-process escape canal.

The present invention may be further configured in a preferred embodiment as: set up the perforation that runs through the mounting panel on the lateral wall of mounting panel, the drive shaft is worn to be equipped with in the perforation internal rotation, every set up on the pore wall of mounting hole and run through to fenestrate through-hole, every all rotate in the through-hole and specially be equipped with the pivot, the one end and the filter fixed connection of pivot, the coaxial fixed cover of the other end is equipped with first gear, coaxial fixed cover is equipped with a plurality of second gears in the drive shaft, second gear and first gear engagement, be provided with on the installation piece and be used for driving pivot pivoted driving piece.

Through adopting above-mentioned technical scheme, rotate through driving piece drive pivot, the rotation of pivot drives second gear revolve, second gear and first gear engagement and drive first gear revolve, the rotation of first gear drives the filter and rotates, when rainstorm, outdoor surface ponding is more, through rotating the filter make the interior ponding of rose box can flow the rose box with faster velocity of flow, avoided effectively because need filter surface ponding and lead to surface ponding too much.

The present invention may be further configured in a preferred embodiment as: and each through hole is internally provided with a first sealing element used for sealing a gap between the through hole and the rotating shaft, and the filter plate is fixedly provided with a second sealing element used for being abutted against the hole wall of the mounting hole.

Through adopting above-mentioned technical scheme, under the normal use of rose box, surface gathered water flows into the wet return then and gets into the rose box via the french drain, again carries out the filtration for the first time via the filter on the mounting panel, when the filter carries out the filtration for the first time to ponding, first sealing member is sealed with the space between through-hole and the pivot, and the second sealing member is sealed with the space between mounting hole and the filter, has less the condition of rose box leaking in filtering process to a certain extent.

The present invention may be further configured in a preferred embodiment as: the secondary filter piece sets up to the secondary filter, the open-top setting of settling tank, the mounting groove has been seted up along vertical direction to the roof of settling tank, the secondary filter slides along vertical direction and sets up in the mounting groove, supply second grade filter male slot has been seted up to the roof of overflow plate.

Through adopting above-mentioned technical scheme, surface gathered water gets into in the rose box via the french drain, the one-level filtering subassembly through the rose box gets into the settling tank of header tank in, ponding subsides at the settling tank, after the height of the super many overflow plates of ponding liquid level height in the settling tank, ponding flows into in the collection box through the second grade filter, ponding in the settling tank carries out secondary filter through the second grade filter, the debris with ponding go forward filter, when having avoided the ponding of water pump in with the collection box to take out effectively, because the jam that the debris of ponding caused the water pump.

The present invention may be further configured in a preferred embodiment as: the side wall of the collecting box is provided with a first limiting hole penetrating through the collecting box to the mounting groove, a limiting pin is arranged in the first limiting hole in an establishing mode, and a second limiting hole for the limiting pin to insert is formed in the filter plate.

Through adopting above-mentioned technical scheme, along vertical direction down with the second grade filter along mounting groove lapse, when the axial coincidence in first spacing hole and the spacing hole of second, insert first spacing hole and the spacing hole of second with the spacer pin, through the rigidity of spacer pin with the second grade filter, cooperation between second grade filter and the header tank is inseparabler, the filtration efficiency of earphone filter has been improved effectively, when needs clear up the second grade filter, extract the direction that the spacing hole of second was kept away from to the spacer pin orientation, can pull down the second grade filter from the header tank and wash or change.

The present invention may be further configured in a preferred embodiment as: the limiting pin is characterized in that a pull ring is fixedly arranged at one end, far away from the second limiting hole, of the limiting pin, a clamping key is fixedly arranged on the limiting pin along the axial direction of the limiting pin, and a clamping groove connected with the clamping key in a sliding mode is formed in the hole wall of the first limiting hole along the axial direction of the limiting pin.

Through adopting above-mentioned technical scheme, the orientation is kept away from the direction pulling pull ring in the spacing hole of second, the pull ring drives the spacer pin and is kept away from the direction motion in the spacing hole of second towards, the spacer pin drives the card key motion, elastic potential energy is stored to the elastic component, when the card key breaks away from the draw-in groove completely, rotate the spacer pin, the card key is driven skew draw-in groove by the spacer pin, loosen the pull ring this moment, the lateral wall butt of card key and header tank, avoid the spacer pin reinsertion the spacing hole of second under the effect of elastic component, can pull down the earphone filter from the header tank and wash the change this moment, the cooperation through spacer pin and the spacing hole of second makes the rigidity of second grade filter, and is easy and simple to handle reliably, and high safety.

The present invention may be further configured in a preferred embodiment as: the slot internal fixation is provided with first sealing strip, the one end of first sealing strip and the diapire butt of filter, the other end and the diapire butt of slot, be provided with the second sealing strip in the mounting groove, the one end of second sealing strip and the lateral wall butt of filter, the other end and the diapire butt of mounting groove.

Through adopting above-mentioned technical scheme, after the slot is inserted along the vertical downstream of mounting groove to the second grade filter, first sealing strip and second sealing strip are sealed the filter in the clearance between header tank and overflow board, have improved the filtration efficiency of second grade filter effectively.

To sum up, the utility model discloses an following at least one useful technological effect:

accumulated water enters a drain pipe through a blind ditch, flows into a filter box through the drain pipe, is filtered by a primary filter assembly in the filter box, and is filtered to remove large sundries in the accumulated water, and is filtered by a secondary filter assembly to enter a recovery box, and the collected water is output to the outside through a water pump, so that the blind ditch drainage is realized, the sundries in the water in the outdoor road area of the primary filter assembly and the secondary filter assembly are filtered and removed, and the water pump is prevented from being blocked by the sundries in the accumulated water in the working process of the water pump;

when rainstorm occurs, more water is accumulated on the outdoor road surface, the accumulated water in the filter box can flow out of the filter box at a higher flow speed by rotating the filter plate, and the excessive accumulated water on the road surface caused by the need of filtering the accumulated water on the road surface is effectively avoided;

thirdly, the accumulated water in the settling tank is secondarily filtered through the secondary filter plate, so that sundries in the accumulated water are further filtered, and the water pump is effectively prevented from being blocked by the sundries in the accumulated water when the water pump pumps the accumulated water in the recovery tank;

fourthly, after the vertical downstream insertion slot of installation groove is followed to the second grade filter, first sealing strip and second sealing strip are sealed the filter in the clearance between header tank and overflow plate, have improved the filtration efficiency of second grade filter effectively.

Drawings

FIG. 1 is a schematic sectional view of the whole of the present invention;

FIG. 2 is a schematic structural view of the filtering box of the present invention;

FIG. 3 is a schematic structural view of the first stage filter plate of the present invention;

FIG. 4 is a schematic structural view of the water collecting tank of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4.

Reference numerals: 1. a sump body; 11. climbing a ladder; 12. blind ditch holes; 13. a drain pipe; 14. a water collection pipe; 15. a water pump; 16. an inner layer; 17. an outer layer; 18. a top cover; 19. a water return pipe; 2. a filter box; 21. connecting holes; 3. a water collection tank; 31. an overflow plate; 32. a settling tank; 33. a recycling bin; 34. mounting grooves; 35. a slot; 36. a first seal strip; 37. a second seal strip; 4. a primary filter assembly; 41. mounting a plate; 42. a first-stage filter plate; 43. mounting holes; 44. a water collection cover; 45. perforating; 46. a drive shaft; 461. a second gear; 47. a through hole; 471. a first seal member; 48. a rotating shaft; 481. a first gear; 49. a second seal member; 491. an outer seal strip; 492. an inner seal strip; 5. a drive member; 6. a secondary filter plate; 61. a second limiting hole; 7. a first limit hole; 71. a card slot; 8. a spacing pin; 81. a pull ring; 82. a card key; 83. an elastic member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, an outdoor blind ditch drainage sump structure comprises a sump main body 1, wherein the sump comprises an inner layer 16 and an outer layer 17, a top cover 18 is arranged at the top of the sump, and a ladder stand 11 for workers to climb is arranged in the sump main body 1. A blind ditch hole 12 is formed in the inner wall of the sump body 1, the blind ditch is communicated with the blind ditch hole 12, a drain pipe 13 is arranged in the blind ditch hole 12, and the drain pipe 13 is communicated with the blind ditch. The filter box 2 is fixedly arranged in the sump main body 1, one end of the filter box 2 is communicated with the drain pipe 13, the other end of the filter box 2 is communicated with the water collecting pipe 14, and one end, far away from the filter box 2, of the water collecting pipe 14 is communicated with the water collecting tank 3. The water collecting tank 3 is communicated with the input end of the water pump 15, and the output end of the water pump 15 is communicated with the water return pipe 19.

As shown in fig. 1 and 2, a first-stage filtering component 4 for filtering accumulated water is arranged on the filtering tank 2, the first-stage filtering component 4 comprises a mounting plate 41 and a first-stage filtering plate 42, a connecting hole 21 is formed in the filtering tank 2, the mounting plate 41 is fixedly arranged in the connecting hole 21, a plurality of mounting holes 43 penetrating through the mounting plate 41 are formed in the mounting plate 41, the first-stage filtering plate 42 is arranged in the mounting holes 43, a water collecting cover 44 is fixedly arranged at one end, close to the filtering tank 2, of the water collecting pipe 14, the water collecting cover 44 is trapezoidal, a smaller opening is communicated with the water collecting pipe 14, a larger opening is fixedly arranged on the mounting plate 41, and the opening area of the larger end of the water collecting cover 44 is matched with.

As shown in fig. 2 and 3, a through hole 45 is formed in the side wall of the mounting plate 41 along the horizontal direction, a driving shaft 46 penetrates through the through hole 45, a through hole 47 penetrating through the through hole 45 is formed in the hole wall of each mounting hole 43, a rotating shaft 48 penetrates through each through hole 47 in a rotating manner, one end of each rotating shaft 48 is fixedly connected with the filter plate, a first gear 481 is coaxially and fixedly sleeved at the other end of each rotating shaft, a plurality of second gears 461 are coaxially and fixedly sleeved on the driving shaft 46, and the second gears 461 are meshed with the first gears 481.

As shown in fig. 3, the mounting block is provided with a driving member 5 for driving the rotation shaft 48 to rotate, the driving member 5 is provided as a knob, and the knob is fixedly connected with the driving shaft 46. When the heavy surface water of rainstorm is too much, the knob is twisted by the staff, the knob rotates and drives the drive shaft 46 to rotate, the drive shaft 46 drives the second gear 461 to rotate, the second gear 461 drives the first gear 481 of meshing to rotate, the first gear 481 drives the rotating shaft 48 and then drives the one-level filter 42 to rotate, and the rotation of filter leaves the mounting hole 43, the mounting hole 43 is opened, increase water flow and then accelerate the drainage of the heavy surface water, through twisting the knob, enlarge the mounting hole 43, increase water flow is used for the quick drainage of the heavy surface water of rainstorm, the filtration when the heavy surface water drainage at ordinary times is ensured, the timely drainage of the heavy surface water when rainfall is great is also ensured, and the application range is improved.

As shown in fig. 3, a first sealing member 471 is disposed in the through hole 47 for sealing a gap between the through hole 47 and the rotating shaft 48. First sealing member 471 sets up to the sealing ring, and the material of sealing ring is rubber, and the coaxial fixed cover of sealing ring is established on pivot 48, and the outer wall of sealing ring and the outer wall butt of through-hole 47, with the space between pivot 48 and the through-hole 47 sealed, guaranteed when the filter filters ponding, ponding can not contact through-hole 47 and first gear 481 and second gear 461, reduced the rusty risk of first gear 481 and second gear 461, improved driven precision.

As shown in fig. 3, a second seal 49 is fixed to each filter plate to abut against the hole wall of the mounting hole 43. The number of the second sealing elements 49 is two, the two sealing elements are respectively an outer sealing strip 491 arranged on the outer wall of the mounting plate 41 far away from the filter box 2 and an inner sealing strip 492 arranged on the inner wall of the mounting plate 41 close to the filter box 2, the inner sealing strip 492 and the outer sealing strip 491 are arranged in a staggered mode, the inner sealing strip 492 and the outer sealing strip 491 are made of rubber, when the knob is twisted, the knob can be twisted in one direction, and the sealing performance of the device is also improved.

As shown in fig. 4, be provided with the second grade filter piece that is used for filtering ponding on the header tank 3, the second grade filter piece sets up to second grade filter 6, the header tank 3 internal fixation is provided with the overflow board 31 that divide into header tank 3 and collection box 33 with header tank 3, the degree of depth that highly is less than header tank 3 of overflow board 31, the open-top setting of settling tank 32, mounting groove 34 has been seted up along vertical direction to the roof of settling tank 32, second grade filter 6 slides along vertical direction and sets up in mounting groove 34, confession second grade filter 6 male slot 35 has been seted up to the roof of overflow board 31.

Area water gets into in the rose box 2 via the french drain, in the one-level filtering subassembly 4 entering header tank 3's of rose box 2 subsides case 32, ponding subsides in subsider case 32, after the height of the super many overflow plates 31 of ponding liquid level height in subsider case 32, ponding is in the recycle bin 33 of 6 inflow of second grade filter, ponding in the subsider case 32 carries out secondary filter through second grade filter 6, the debris in ponding further filter, when having avoided water pump 15 to take ponding in the recycle bin 33 out effectively, because the jam that the debris in ponding caused water pump 15.

As shown in fig. 4, a first sealing strip 36 is fixedly arranged in the slot 35, one end of the first sealing strip 36 abuts against the bottom wall of the filter plate, the other end of the first sealing strip 36 abuts against the bottom wall of the slot 35, a second sealing strip 37 is arranged in the mounting groove 34, one end of the second sealing strip 37 abuts against the side wall of the filter plate, and the other end of the second sealing strip abuts against the bottom wall of the mounting groove 34. After the second grade filter 6 inserts slot 35 along the vertical downward motion of mounting groove 34, first sealing strip 36 and second sealing strip 37 are sealed the filter in the clearance between header tank 3 and overflow plate 31, have improved the filtration efficiency of second grade filter 6 effectively.

As shown in fig. 4 and 5, the side wall of the collecting box is provided with a first limiting hole 7 penetrating to the mounting groove 34, a limiting pin 8 is created in the first limiting hole 7, and a second limiting hole 61 for inserting the limiting pin 8 is provided on the second-stage filter plate 6. Keep away from the fixed pull ring 81 that is provided with of one end of the spacing hole 61 of second on the spacer pin 8, be provided with card key 82 along the axial fixity of spacer pin 8 on the spacer pin 8, offer the draw-in groove 71 of being connected with card key 82 slides along the axial of spacer pin 8 on the pore wall of first spacing hole 7, the coaxial cover is equipped with elastic component 83 on the spacer pin 8, elastic component 83 is the extension spring, the one end and the spacer pin 8 fixed connection of extension spring, the other end and the pore wall fixed connection of first spacing hole 7.

When needs carry out filterable to second grade filter 6, pulling ring 81 drives 8 orientation motions of spacing round pin orientation of keeping away from the spacing hole 61 of second, after 8 and the spacing hole 61 of second break away from, treat that card key 82 breaks away from with draw-in groove 71, rotatory spacer pin 8 makes the lateral wall butt of card key 82 and header tank 3, prevent that spacer pin 8 from returning to in 8 of second spacer pin under the pulling force effect of elastic component 83, then carry out washing or the change of second grade filter 6, spacer pin 8 makes 6's rigidity of second grade filter with the cooperation of the spacing hole 61 of second, and is easy and simple to handle reliably, and the security performance is high.

The specific operation process comprises the following steps:

when the accumulated water appears on the outdoor road surface, the accumulated water flows into the drain pipe 13 through the blind ditch, the accumulated water flows into the filter box 2 through the drain pipe 13, is filtered by the first-stage filter plate 42, so that larger sundries in the accumulated water are filtered, the accumulated water flows into the water collecting pipe 14 through the filtration of the first-stage filter plate 42, enters the settling box 32 through the water collecting pipe 14, is settled through the settling box 32, when the height of the liquid level in the settling box 32 exceeds the height of the overflow plate 31, supernatant of the accumulated water flows through the second-stage filter plate 6, flows into the recovery box 33 through the secondary filtration of the second-stage filter plate 6, the accumulated water entering the recovery box 33 flows into the water return pipe 19 through the water pump 15, so that the accumulated water on the road surface is recovered, when the rainfall is too large, a large amount of accumulated water appears on the ground, at the moment, the knob is twisted by a worker, the rotation of the knob, and then drive the rotation of the first gear 481 with the meshing of second gear 461, finally drive and the filter rotates, make mounting hole 43 open completely, increase ponding flow to the a large amount of ponding of outdoor road surface have been discharged fast, have avoided ground a large amount of ponding to appear effectively.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an outdoor french drain drainage sump pit structure, includes sump pit main part (1), blind ditch hole (12) have been seted up on sump pit main part (1) inner wall, be provided with drain pipe (13) in blind ditch hole (12), drain pipe (13) link up its characterized in that with the french drain: sump pit main part (1) internal fixation is provided with rose box (2), sump pit main part (1) internal fixation is provided with water pump (15), rose box (2) and drain pipe (13) intercommunication, rose box (2) intercommunication has collector pipe (14), the one end intercommunication that filter box (2) were kept away from in collector pipe (14) has collector box (3), collector box (3) internal fixation is provided with overflow board (31) that divide into with collector box (3) settling tank (32) and collection box (33), the water inlet and the collection box (33) intercommunication of water pump (15), the delivery port and return pipe (19) intercommunication of water pump (15), be provided with one-level filtering component (4) that are used for filtering ponding on rose box (2), be provided with the second grade filter piece that is used for filtering ponding on collector box (3).

2. An outdoor blind ditch drainage sump pit structure according to claim 1, characterized in that: one-level filtering component (4) include mounting panel (41) and one-level filter (42), connecting hole (21) have been seted up on rose box (2), collector pipe (14) and connecting hole (21) intercommunication, connecting hole (21) internal fixation is provided with mounting panel (41), a plurality of mounting holes (43) that run through mounting panel (41) have been seted up on mounting panel (41), one-level filter (42) set up in mounting hole (43).

3. An outdoor blind ditch drainage sump pit structure according to claim 2, characterized in that: offer perforation (45) along the horizontal direction on the lateral wall of mounting panel (41), drive shaft (46), every are worn to be equipped with to perforation (45) internal rotation set up on the pore wall of mounting hole (43) through-hole (47) to perforation (45), every all rotate in through-hole (47) and specially be equipped with pivot (48), the one end and one-level filter (42) fixed connection of pivot (48), the coaxial fixed cover in the other end are equipped with first gear (481), the coaxial fixed cover is equipped with a plurality of second gear (461) on drive shaft (46), second gear (461) and first gear (481) meshing, be provided with on mounting panel (41) and be used for driving pivot (48) pivoted driving piece (5).

4. An outdoor blind ditch drainage sump pit structure according to claim 3, characterized in that: and a first sealing piece (471) used for sealing a gap between the through hole (47) and the rotating shaft (48) is arranged in each through hole (47), and a second sealing piece (49) used for being abutted against the hole wall of the mounting hole (43) is fixedly arranged on the first-stage filter plate (42).

5. An outdoor blind ditch drainage sump pit structure according to claim 1, characterized in that: the second grade filters and sets up to second grade filter (6), the open-top setting of settling tank (32), mounting groove (34) have been seted up along vertical direction to the roof of settling tank (32), vertical direction slip setting is followed in mounting groove (34) in second grade filter (6), confession second grade filter (6) male slot (35) have been seted up to the roof of overflow board (31).

6. An outdoor blind ditch drainage sump pit structure according to claim 5, characterized in that: set up on the lateral wall of header tank (3) and run through first spacing hole (7) to mounting groove (34), wear to be equipped with in first spacing hole (7) and sell (8), be provided with on second grade filter (6) and supply spacing round pin (8) male spacing hole (61) of second.

7. An outdoor blind ditch drainage sump pit structure according to claim 6, characterized in that: the fixed pull ring (81) that is provided with of one end of keeping away from spacing hole (61) of second on spacer pin (8), axial fixity along spacer pin (8) is provided with card key (82) on spacer pin (8), draw-in groove (71) of being connected with card key (82) slide is seted up along the axial of spacer pin (8) on the pore wall of first spacing hole (7), be provided with in first spacing hole (7) and be used for ordering about spacer pin (8) towards spacing hole (61) internal motion's of second elastic component (83).

8. An outdoor blind ditch drainage sump pit structure according to claim 7, characterized in that: the utility model discloses a filter, including slot (35), slot (35) internal fixation is provided with first sealing strip (36), the one end of first sealing strip (36) and the diapire butt of second grade filter (6), the diapire butt of the other end and slot (35), be provided with second sealing strip (37) in mounting groove (34), the one end of second sealing strip (37) and the lateral wall butt of second grade filter (6), the diapire butt of the other end and mounting groove (34).