CN115288201B - Municipal administration well lid - Google Patents

Abstract

The application relates to a municipal well lid, and relates to the field of well lids. The well cover is hinged to the mounting base, a first connecting rod is hinged to the mounting base, a second connecting rod is hinged to the well cover, the second connecting rod can be supported between the well cover and the mounting base, and a control assembly for controlling the second connecting rod to turn over is arranged on the well cover. The application has the function of improving the safety of the well cover in use in rainy days.

Description

Municipal administration well lid

Technical Field

The application relates to the field of well covers, in particular to a municipal well cover.

Background

The rainwater well lid is one of municipal well lids, and the rainwater well lid is the product that is used for covering road or deep well, mainly used prevents that people or object from falling, still can be used to the drainage. When encountering strong rainfall weather, the road surface ponding is too much, and the roadside catch basin is discharged through the wash port of self, appears the untimely condition of drainage easily, and the staff can open the rainwater well lid this moment for the road surface ponding discharges.

But in real life, open roadside rainwater well lid, then removed the effect of blockking to the rainwater well, the condition that pedestrian falls the well or wheel falls the well appears easily, causes serious potential safety hazard.

Disclosure of Invention

In order to improve the safety of the well lid in rainy days, the application provides a municipal well lid.

The municipal well lid provided by the application adopts the following technical scheme:

the utility model provides a municipal administration well lid, including being used for setting up the mount pad in the catch basin, the mount pad with the well head of catch basin passes through coupling assembling and can dismantle the connection, articulated on the mount pad have the well lid, articulated on the mount pad have first connecting rod, articulated on the well lid have the second connecting rod, first connecting rod with the second connecting rod is articulated, the second connecting rod can support the well lid with between the mount pad, be provided with on the well lid and be used for controlling the control assembly of second connecting rod upset.

Through adopting above-mentioned technical scheme, the operator can be through raising the well lid for mount pad and well lid keep away from each other, at well lid upset in-process, first connecting rod and second connecting rod overturn each other, make the second connecting rod turn over into between well lid and the mount pad, the operator passes through control assembly restriction second connecting rod upset, the second connecting rod supports well lid restriction well lid and resets this moment, the well lid slope and leaves the opening that supplies the rainwater inflow with the well head between, be favorable to improving the effect of leading to road surface ponding, the well lid still blocks on the well head when leading road surface ponding with higher speed, prevent pedestrian's drop well or wheel drop well's condition, be favorable to improving the safety in utilization of this well lid when rainy day drainage.

Optionally, the well lid includes first upset board and second upset board, a plurality of water leakage grooves have been seted up on the second upset board, it has a plurality of shutoff strips that are used for the shutoff to be used for the water leakage groove to articulate on the first upset board, it is provided with the horizontal pole to slide on the second upset board, and each the shutoff strip is kept away from the one end of first upset board all with horizontal pole fixed connection, the second upset board can dismantle the setting through locking unit on the well head of rainwater well.

Through adopting above-mentioned technical scheme, under the initial state, well lid shutoff is at the well head of catch basin, and first upset board is parallel with the second upset board. When the accumulated water on the road surface needs to be dredged, an operator needs to turn the second turning plate over a certain angle, so that rainwater can flow into the wellhead. When an operator overturns the second overturning plate, the operators drive each plugging strip to overturn, and the cross bars slide on the first overturning plate, in the overturning process of each plugging strip, the plugging strips gradually relieve the plugging effect on the water leakage groove, so that the road surface water can flow into the rainwater well from the water leakage groove, the plugging strips and the water leakage groove are arranged to block and filter the impurities with larger road surface, and the situation that the larger impurities enter the wellhead to cause the wellhead to plug is reduced. In addition, the plugging strips are arranged, so that inclined transition can be formed between the first overturning plate and the second overturning plate after overturning, and the conditions of pedestrians and vehicles caused by height difference between the first overturning plate and the second overturning plate are reduced

Optionally, the locking unit includes the fixing base that sets up on the second turnover plate, rotate on the fixing base and be connected with first bevel gear and second bevel gear, just first bevel gear with the second bevel gear intermeshes, be provided with the drive shaft on the first bevel gear coaxial, offered the through-hole that aligns with the drive shaft on the first turnover plate, the coaxial core is run through on the second bevel gear and is provided with the double-screw bolt, the double-screw bolt with second bevel gear threaded connection, double-screw bolt one end is provided with the ejector pin, the ejector pin with the drive shaft mutually perpendicular, just the ejector pin slides along self axis direction and sets up on the second turnover plate;

the utility model discloses a rainwater well, including the ejector pin pole, be provided with first articulated seat on the ejector pin pole, articulated on the first articulated seat have two first gangbars, slide on the second turnover plate and be provided with two first movable rods, first gangbar with first movable rod one-to-one, and two first gangbar all articulates in corresponding on the first movable rod, two all be provided with the round pin axle on the first movable rod, be used for supplying on the inner wall of the well head of rainwater well the spacing hole of round pin axle grafting.

Through adopting above-mentioned technical scheme, the operator drives first bevel gear through rotating the drive shaft and rotates, because first bevel gear and second bevel gear intermeshing for second bevel gear takes place relative rotation with the double-screw bolt, because second bevel gear and double-screw bolt threaded connection, and then makes the ejector pin slide along self axis direction and set up on the fixing base. The push rod slides to drive the two first connecting rods to turn over, so that the two first moving rods are close to each other or far away from each other. The two movable rods are mutually far away from each other so that the pin shafts move towards the corresponding limiting holes, so that the second overturning plate is fixedly connected to the wellhead, when the two movable rods are mutually close to each other, the limiting holes are gradually separated from the limiting holes, the connection relationship between the second overturning plate and the wellhead is relieved, and the detachable connection between the second overturning plate and the wellhead is realized.

Optionally, the second turnover plate is provided with two second movable rods in a sliding manner, the push rod is provided with a second hinging seat, two second linkage rods are hinged to the second hinging seat, the second linkage rods are in one-to-one correspondence with the second movable rods, the second linkage rods are hinged to the corresponding second movable rods, two inserting plates are arranged on the second linkage rods, the first turnover plate is provided with a sleeve for inserting the inserting plates, and the first movable rods and the second movable rods on the same side of the push rod are opposite in moving direction.

Through adopting above-mentioned technical scheme, the operator can drive the ejector pin and slide on the mount pad through rotating the drive shaft, and the ejector pin removes and drives first articulated seat and second articulated seat synchronous movement, and in this process first connecting rod and second connecting rod all overturn for when two first movable rods are close to each other, two second movable rods keep away from each other; when the two first moving rods are far away from each other, the two first moving rods are close to each other.

Therefore, when the two pin shafts are moved to be inserted into the corresponding limiting holes, the inserting plate is separated from the sleeve, at the moment, the second overturning plate is fixed with the wellhead, and the first overturning plate and the second overturning plate are unfixed; the operator can overturn the first turnover plate to stagger each other between the first turnover plate and the second turnover plate for the circulation of the accumulated water on the road surface. When the two pin shafts move to be separated from the corresponding limiting holes, the two plug boards are plugged into the corresponding sleeves, at the moment, the second overturning plate and the wellhead are released from the fixed relation, and the first overturning plate is fixedly connected with the second overturning plate; the operator turns over the first turnover plate to enable the first turnover plate and the second turnover plate to turn over simultaneously, so that the well lid is opened.

Optionally, be provided with two pterygoid lamina on the fixing base, two all run through on the pterygoid lamina is provided with the guide post, two connect through the connecting plate between the guide post, the connecting plate is located the fixing base deviates from one side of first upset board, be provided with the lug on the connecting plate, offer on the fixing base and be used for the confession the lug wears to establish the through-hole, the lug wears to establish the through-hole and the butt is in on the articulated seat of second, two one side that the guide post is close to first upset board all is provided with be used for with the backing ring of first upset board butt, be in on the guide post the pterygoid lamina with the cover is equipped with reset spring between the backing ring.

Through adopting above-mentioned technical scheme, when first upset board and the equal butt of second upset board on the well head, first upset board compresses tightly on the fixing base to promote the baffle ring and overcome reset spring's elasticity effect and move towards corresponding pterygoid lamina direction, make the connecting plate keep away from fixing base direction and remove, drive the lug and withdraw in the through-hole, and release the spacing effect of lug to the articulated seat of second, the operator can drive the articulated seat of first and second through rotating the drive shaft and remove this moment. When the first turnover plate and the second turnover plate are turned over relatively until the second connecting rod is supported between the mounting seat and the first turnover plate, the first turnover plate releases the pushing effect on the baffle ring, at the moment, the return spring pushes the baffle ring to return, the protruding blocks on the connecting rod extend out of the through holes and are abutted on the second hinging seat, the second hinging seat is limited to move, the first turnover plate is in an open state, the second turnover plate and the wellhead are always kept in a connection state, and the sleeve and the plugboard are prevented from being impacted when the first turnover plate is reset.

Optionally, the connection assembly comprises a ladder hinged in the wellhead of the catch basin, a limiting unit used for limiting the overturning of the ladder is arranged in the wellhead of the catch basin, a sliding rail is arranged on the ladder, a track matched with the sliding rail is arranged on the mounting seat, a first stop block used for abutting the sliding rail is arranged on the mounting seat, a second stop block used for abutting the sliding rail is arranged on the second overturning plate, and the track is located between the first stop block and the second stop block; the ejector rod slides along the axis direction of the ejector rod and penetrates through the second stop block, the second stop block is located between the first hinging seat and the second hinging seat, and the first moving rod and the second moving rod are both arranged on the second stop block in a sliding mode.

Through adopting above-mentioned technical scheme, when the operator installs the well lid, will overturn first upset board and second upset board earlier, remove the effect that blocks of second dog to the track for the track can slide the cooperation with the slide rail, when the mount pad slides to with first dog butt on the slide rail, the first upset board of operator rethread upset and second upset board, make the second dog butt on the second upset board on the slide rail, the operator drives the ejector pin pole through rotating the drive shaft and slides to two round pins and all insert corresponding spacing inslot, realize that the position fixing between second upset board and the well head, and then realize the position fixing of well lid on the well head. In addition, the crawling ladder is arranged, so that when the manhole cover is opened, the manhole cover is plugged when the manhole cover is opened, and the falling condition is reduced; in addition, an operator climbs the ladder through the overturning plate, so that the ladder overturns to be close to a vertical state, the height difference between the escalator in the well and the wellhead is compensated, the operator can enter the well through the ladder, and the construction safety of the operator is improved.

Optionally, the spacing unit is including setting up the support board in the well head of catch basin, the support board is used for the bearing the cat ladder, articulated on the support board have the bracing piece, articulated on the bracing piece have the slider, be provided with on the cat ladder and supply the spout that the slider slided, be provided with the mounting panel on the slider, the inserted bar that slides on the mounting panel and wear to be equipped with, be provided with the bulge loop on the inserted bar between mounting panel and slider, the cover is equipped with the pushing spring between bulge loop and mounting panel on the inserted bar, the pushing spring promotes bulge loop and mounting panel and keeps away from each other, the inserted bar slides and runs through the slider, just a plurality of confession have been seted up on the groove diapire of spout inserted bar male slot, the inserted bar is pegged graft in one of them in the slot.

Through adopting above-mentioned technical scheme, when the operator needs to dredge the in-well, need open the well lid completely, then the operator enters into in-well. After the operator opens the well lid, need upset cat ladder to remove the shutoff effect to the well head. In the overturning ladder stand process, an operator needs to pull the inserting rod firstly, the limiting relation between the inserting rod and the inserting groove is relieved, the sliding block can slide and be arranged in the sliding groove, then the operator overturns the ladder stand through the overturning, the supporting rod is overturned, the sliding block is driven to slide and be arranged in the sliding groove, when the ladder stand overturns to a vertical state, the inserting rod is aligned with the inserting groove at the corresponding position, under the elastic force of the limiting spring, the inserting rod is inserted into the inserting groove, the position of the sliding block in the sliding groove is fixed, the supporting rod is kept in the vertical state, and the operator climbs the ladder stand conveniently.

Optionally, one side threaded connection that convex ring was kept away from to the fixing base has a screw thread section of thick bamboo, the inserted bar slides and wears to establish in the screw thread section of thick bamboo, be provided with first spacing ring on the inserted bar, be provided with the second spacing ring in the screw thread section of thick bamboo, first spacing ring is located between second spacing ring and the convex ring, the inserted bar is kept away from the one end of spout and is worn out the screw thread section of thick bamboo to be provided with the pull ring.

Through adopting above-mentioned technical scheme, when the cat ladder upset to vertical state, the inserted bar is pegged graft in the slot of corresponding position. At this moment, the operator rotates the threaded cylinder to enable the threaded cylinder to move towards the direction of the sliding block until the first limiting ring is abutted with the second limiting ring, and at this moment, if the operator accidentally pulls the pull ring, the inserting rod cannot be separated from the slot, so that the ladder can be stably kept in a vertical state, and the use safety of the ladder is improved.

Optionally, a kidney-shaped hole is formed in the first connecting rod, a rotating shaft is arranged on the second connecting rod, the rotating shaft slides and penetrates through the kidney-shaped hole, a support plate for limiting the relative overturning of the support plate and the first connecting rod is arranged on the first connecting rod, the support plate is used for being abutted against the second connecting rod, a yielding groove for overturning the support plate is formed in the second connecting rod, the control assembly comprises a moving seat, a guide groove is formed in the first overturning plate, the moving seat slides and is arranged in the guide groove, a third linkage rod is hinged to the moving seat, and the third linkage rod is hinged to the second connecting rod;

the control assembly further comprises a guide rail arranged on the first overturning plate, an adjusting seat is arranged on the guide rail in a sliding mode, a driving unit used for driving the adjusting seat to slide on the guide rail is arranged on the first overturning plate, a first limiting plate is hinged to the adjusting seat, a guide rod is arranged on the first limiting plate in a sliding and penetrating mode, a second limiting plate is arranged at the end portion of the guide rod, the second limiting plate is hinged to the movable seat, a limiting spring is sleeved on the guide rod between the first limiting plate and the second limiting plate, and the limiting spring is used for pushing the first limiting plate and the second limiting plate to be away from each other.

Through adopting above-mentioned technical scheme, under the initial condition, the regulation seat is located one side that the guide rail is close to the fixing base, and spacing spring promotes the removal seat and moves towards keeping away from the second connecting rod direction this moment, when the operator overturns first upset board for first connecting rod and second connecting rod rotate relatively, and at the second connecting rod rotation in-process, the elasticity effect of overcoming spacing spring through the third linkage rod promotion removal seat in the guide way slides towards the second connecting rod, when removing the seat and remove to crossing the regulation seat, spacing spring promotes to remove the seat and moves towards the second connecting rod direction. When the first overturning plate overturns to the maximum angle, the first connecting rod is parallel to the second connecting rod, and the rotating shaft is positioned at one end of the kidney-shaped hole, which is close to the first connecting rod. After the operator loosens the first turnover plate, the first turnover plate compresses the second connecting rod between the first turnover plate and the mounting seat under the action of self gravity, at the moment, the rotating shaft is positioned at one end of the kidney-shaped hole far away from the first connecting rod, the support plate is abutted to the second connecting rod, and the first connecting rod and the second connecting rod are limited to turn over relatively.

When an operator needs to relieve the supporting effect of the second connecting rod on the first overturning plate, the operator drives the adjusting seat to move to one end of the guide rail away from the fixed seat through the driving unit, the limiting spring pushes the moving seat to move towards the direction away from the second connecting rod, at the moment, the operator moves the first overturning plate by lifting the first connecting rod, the rotating shaft moves to one end of the kidney-shaped hole away from the first overturning plate, meanwhile, the second connecting rod relieves the limiting effect on the supporting plate, and the supporting plate is aligned with the yielding groove. After the operator loosens the first turnover plate, the limiting spring pushes the movable seat to enable the first connecting rod and the second connecting rod to be mutually folded, so that the supporting effect of the second connecting rod on the first turnover plate is relieved, and the first turnover plate is reset.

Optionally, the drive unit is including running through the driving shaft that sets up on the first upset board, the driving shaft rotates to be connected on the first upset board, coaxial heart is provided with drive bevel gear in the axis of rotation, it is connected with the driven shaft to rotate on the first upset board, the driving shaft with driven shaft mutually perpendicular, coaxial heart is provided with driven bevel gear on the driven shaft, drive bevel gear with driven bevel gear intermeshing, the driven shaft tip is provided with the screw rod, be provided with the otic placode on the regulation seat, the screw rod runs through the otic placode and with otic placode threaded connection.

Through adopting above-mentioned technical scheme, the operator drives the drive bevel gear through rotating the driving shaft and rotates, under the intermeshing effect between drive bevel gear and driven bevel gear for driven bevel gear drives the driven shaft and rotates, and then makes two screws rotate, because otic placode and screw threaded connection, and otic placode fixed connection is on the regulating plate, makes the regulating plate can slide on the guide rail.

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

1. through overturning the first overturning plate, an included angle is formed between the first overturning plate and the second overturning plate, so that the road surface ponding dredging efficiency is improved;

2. The first overturning plate and the second overturning plate are still blocked on the wellhead while accelerating drainage of accumulated water on the road surface, so that the situation that pedestrians drop down a well or wheels drop down the well is prevented, and the use safety of the well cover in draining in rainy days is improved;

3. through setting up the shutoff strip, form the slope transition between first upset board after the upset and second upset board, reduce the difference in height between first upset board and the second upset board and stumble the condition of pedestrian and vehicle.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural view for embodying the first and second roll-over panels according to an embodiment of the present application.

Fig. 3 is a schematic view of a structure for embodying a support beam according to an embodiment of the present application.

Fig. 4 is a schematic structural view of an embodiment of the present application for embodying a second link.

Fig. 5 is an exploded view of an embodiment of the present application for embodying a first link and a second link.

Fig. 6 is a schematic structural view of an embodiment of the present application for embodying a first movable bar and a second movable bar.

Fig. 7 is a schematic structural view of a ladder according to an embodiment of the application.

Fig. 8 is a schematic structural view of a first rotary head according to an embodiment of the present application.

Fig. 9 is an enlarged schematic view of the portion a in fig. 8.

Fig. 10 is a schematic structural view of an embodiment of the present application for embodying a push rod.

Fig. 11 is a schematic structural diagram of an embodiment of the present application for embodying a limiting unit.

FIG. 12 is a cross-sectional view of an embodiment of the application for embodying a mounting plate.

Fig. 13 is an enlarged schematic view of a portion B in fig. 12.

FIG. 14 is a cross-sectional view of an embodiment of the present application for embodying a control assembly.

Fig. 15 is an enlarged schematic view of a portion C in fig. 14.

Reference numerals illustrate: 1. a catch basin; 11. a well cover; 12. a first flipping plate; 13. a rain hole; 14. a second flipping plate; 15. a grating plate; 16. a water leakage groove; 17. a plugging strip; 18. a cross bar; 2. a mounting base; 21. a support beam; 22. a rotating seat; 23. a first link; 24. a second link; 241. a side plate; 242. a substrate; 25. a rotating shaft; 26. waist-shaped holes; 27. a support plate; 28. a relief groove; 3. a connection assembly; 31. a ladder stand; 32. a main rod; 33. an auxiliary rod; 34. a slide rail; 35. a track; 36. a hinge ear; 37. a first stopper; 38. a second stopper; 4. a locking unit; 41. a fixing seat; 43. a first rotating head; 45. a through hole; 46. a first bevel gear; 47. a receiving groove; 48. a second bevel gear; 5. a stud; 51. pushing the push rod; 52. a square cylinder; 53. a first hinge base; 531. a first linkage rod; 532. a first moving lever; 533. a pin shaft; 534. a limiting hole; 54. the second hinge seat; 541. a second linkage rod; 542. a second moving lever; 543. inserting plate; 544. a vertical plate; 545. a cross plate; 546. a sleeve; 55. a wing plate; 551. a guide post; 552. a baffle ring; 553. a return spring; 554. a connecting plate; 555. a bump; 556. a through hole; 6. a limit unit; 61. a bearing plate; 62. a support rod; 63. a slide block; 64. a chute; 65. a mounting plate; 651. a thread cylinder; 652. a rod; 653. a first stop collar; 654. a second limiting ring; 655. a convex ring; 66. a pushing spring; 67. a pull ring; 68. a slot; 7. a control assembly; 71. a third linkage rod; 72. a movable seat; 73. a guide groove; 74. a guide rail; 75. an adjusting seat; 76. a first limiting plate; 77. a guide rod; 78. a second limiting plate; 79. a limit spring; 8. a driving unit; 82. a second rotary head; 84. a drive bevel gear; 85. a driven shaft; 86. a driven bevel gear; 87. a screw; 88. ear plate.

Detailed Description

The application is described in further detail below with reference to fig. 1-15.

The embodiment of the application discloses a municipal well lid. As fig. 1 and 2, municipal well lid is including setting up mount pad 2 in catch basin 1 wellhead, and the wellhead is the rectangle, and mount pad 2 is located the one end of well head along self length direction, and mount pad 2 passes through coupling assembling 3 detachable connection in the well head. Be provided with the well lid 11 that is used for shutoff catch basin 1 well head on the mount pad 2, well lid 11 includes first upset board 12 and second upset board 14, and first upset board 12 and second upset board 14 are the rectangle, and the length direction of first upset board 12 and second upset board 14 is parallel with the width direction of well head. A plurality of rainwater holes 13 are formed in the first overturning plate 12, the first overturning plate 12 is hinged to the mounting seat 2 through a hinge shaft, the axis direction of the hinge shaft is parallel to the length direction of the first overturning plate 12, and the second overturning plate 14 is detachably arranged in a wellhead of the rainwater well 1 through the locking unit 4.

As shown in fig. 3 and 4, two support beams 21 are provided on the mounting base 2, the opposite surfaces of the two support beams 21 are rotatably connected with a rotating base 22, and the two rotating bases 22 are hinged with a first connecting rod 23. The lower surface of the first turnover plate 12 is hinged with two second connecting rods 24, and the second connecting rods 24 are in one-to-one correspondence with the first connecting rods 23.

As shown in fig. 4 and 5, the second link 24 has a -shaped cross section along its length, the second link 24 includes two side plates 241 and a base plate 242 located between the two side plates 241, the side plates 241 are welded to the base plate 242, and the two side plates 241 of the second link 24 are supported between the first roll-over plate 12 and the corresponding support beam 21. One end of the first connecting rod 23, which is far away from the rotating seat 22, is fixedly connected with a rotating shaft 25, waist-shaped holes 26 are formed in two side plates 241 of the second connecting rod 24, the length directions of the two waist-shaped holes 26 are parallel to the length direction of the second connecting rod 24, and the two waist-shaped holes 26 are located at the middle position of the second connecting rod 24 along the length direction. The first connecting rod 23 is located in the second connecting rod 24, and both ends of the rotating shaft 25 slide through corresponding kidney-shaped holes 26. The support plate 27 is fixedly connected to the rotating shaft 25, the support plate 27 is parallel to the first connecting rod 23, and the second connecting rod 24 is provided with a yielding groove 28 for overturning the support plate 27 between the two side plates 241.

When the rotating shaft 25 is positioned at one end of the kidney-shaped hole 26 facing the first turnover plate 12, the support plate 27 is abutted against the inner side wall of the base plate 242; when the rotating shaft 25 is positioned at the end of the kidney-shaped hole 26 away from the first turnover plate 12, the support plate 27 is aligned with the relief groove 28. The first turning plate 12 is provided with a control assembly 7 for controlling the turning of the two second links 24.

The operator turns over the first turning plate 12 so that the base plates 242 of the first and second links 23 and 24 are turned over to a state of abutting against each other and being parallel to each other, and the operator continues to turn over the first turning plate 12 so that the rotation shaft 25 moves to one end of the kidney-shaped hole 26 away from the first link 23, at which time the support plate 27 is aligned with the giving way groove 28, and both side plates 241 of the second link 24 are located between the support beam 21 and the first turning plate 12. The operator limits the turnover of the two second connecting rods 24 through the control assembly 7, so that the first connecting rod 23 and the second connecting rod 24 are kept in a mutually parallel state, finally, the operator releases the first turnover plate 12, so that the first turnover plate 12 turns downwards under the action of self gravity until the two side plates 241 of the second connecting rod 24 are supported between the first turnover plate 12 and the corresponding supporting beams 21, at this time, the rotating shaft 25 is positioned at one end of the kidney-shaped hole 26 facing the first turnover plate 12, and the supporting plate 27 is abutted on the inner side wall of the base plate 242.

As shown in fig. 2 and 3, both sides of the second roll-over plate 14 in the length direction thereof are fixedly connected with a grating plate 15 for filtering rainwater. A plurality of strip-shaped water leakage grooves 16 are formed in the side, facing the first turnover plate 12, of the second turnover plate 14, the water leakage grooves 16 are uniformly arranged along the length direction of the second turnover plate 14, the length direction of each water leakage groove 16 is parallel to the width direction of the second turnover plate 14, and each water leakage groove 16 is communicated with the rainwater well. One side of the first turnover plate 12 facing the second turnover plate 14 is hinged with a plurality of strip-shaped plugging strips 17, the plugging strips 17 are in one-to-one correspondence with the water leakage grooves 16, and the plugging strips 17 are used for plugging the corresponding water leakage grooves 16. The lower surface of the second roll-over plate 14 is slidably provided with a cylindrical cross bar 18 in the width direction thereof, and one end of each of the blocking strips 17, which is away from the first roll-over plate 12, is fixedly connected with the cross bar 18.

As shown in fig. 6, 7 and 8, the connection assembly 3 includes a ladder stand 31 disposed in a wellhead of the rainwater well 1, the ladder stand 31 includes two main rods 32, the two main rods 32 are parallel and equal in length, the two main rods 32 are fixedly connected by a plurality of auxiliary rods 33, the plurality of auxiliary rods 33 are uniformly disposed along a length direction of the main rods 32, and a length direction of each auxiliary rod 33 is parallel to a width direction of the wellhead. Both main rods 32 are hinged with the inner wall of the rainwater well 1 through hinge lugs 36, the cat ladder 31 is positioned below the mounting seat 2, and the hinge lugs 36 are positioned on the groove wall of the rainwater well 1, which is close to the second turnover plate 14. A limiting unit 6 for limiting the turnover of the main rod 32 is arranged in the catch basin 1. And two mobile jib 32 all fixedly connected with inferior arc slide rail 34 towards one side of first turnover plate 12, two support beam 21 lower surface all fixedly connected with inferior arc track 35, slide rail 34 and track 35 one-to-one, and track 35 along the circular arc direction of self with the slide rail 34 sliding fit that corresponds. The lower surface of the mounting seat 2 is fixedly connected with a first stop block 37, and the first stop block 37 is used for being abutted against one end, far away from the hinge lug 36, of the sliding rail 34; the lower surface of the second turnover plate 14 is fixedly connected with a second stop block 38, and the second stop block 38 is used for abutting against one end of the sliding rail 34, which is close to the hinge lug 36. The first stop block 37 and the second stop block 38 are long strips, and the length directions of the first stop block 37 and the second stop block 38 are parallel to the width direction of the wellhead of the catch basin 1. The first stopper 37 and the second stopper 38 block the slide rails 34, and prevent the mount 2 from sliding out of both slide rails 34.

As shown in fig. 8 and 9, the locking unit 4 includes a fixing seat 41 fixedly connected to a side of the second stopper 38 facing the first flipping plate 12, a driving shaft is disposed on the fixing seat 41 in a penetrating manner, the driving shaft is rotatably connected to the fixing seat 41, and an axial direction of the driving shaft is perpendicular to a plane where the second flipping plate 14 is located. The upper end of the driving shaft passes through the fixing seat 41, and one end of the driving shaft passing through the fixing seat 41 is fixedly connected with a first rotating head 43, and a first inner hexagonal groove is formed in the first rotating head 43. The first flipping plate 12 is provided with a through hole 45 for facilitating the operator to twist the first rotating head 43, and when the first flipping plate 12 is flipped to be level with the second flipping plate 14, the through hole 45 is aligned with the first rotating head 43.

As shown in fig. 9 and 10, a first bevel gear 46 is fixedly connected to the end of the drive shaft remote from the first rotary head 43. The fixing seat 41 is provided with a containing groove 47, the containing groove 47 penetrates through the fixing seat 41 along the length direction of the second stop block 38, and the containing groove 47 is opened towards the groove wall of the second stop block 38. The fixing seat 41 is provided with a rotation hole communicated with the accommodating groove 47, a second bevel gear 48 is rotatably connected in the rotation hole, the axial direction of the second bevel gear 48 is parallel to the width direction of the second turnover plate 14, and the second bevel gear 48 is meshed with the first bevel gear 46. The second bevel gear 48 is coaxially provided with a stud 5 in a penetrating manner, and the stud 5 is in threaded connection with the second bevel gear 48. The end of the stud 5 facing the second stop block 38 is fixedly connected with a push rod 51, and the push rod 51 is a square rod and is parallel to the stud 5. The second stopper 38 is provided with a square tube 52 penetrating the accommodating groove 47, and the push rod 51 slides in the axial direction of the push rod and penetrates the square tube 52.

The push rod 51 is fixedly connected with a first hinge seat 53 and a second hinge seat 54 along the length direction of the push rod, the square cylinder 52 is located between the first hinge seat 53 and the second hinge seat 54, and the second hinge seat 54 slides in the accommodating groove 47. The second stopper 38 is provided with two first moving rods 532 on a side facing the first hinge seat 53 slidably along a length direction of the second stopper 38, and the square tube 52 is located between the two first moving rods 532. Two first linkage rods 531 are hinged on the first hinge seat 53, the first linkage rods 531 are in one-to-one correspondence with the first moving rods 532, and the two first linkage rods 531 are both hinged on the corresponding first moving rods 532. The two first moving rods 532 are fixedly connected with pin shafts 533, and limiting holes 534 for plugging the pin shafts 533 are formed in the inner wall of the catch basin 1.

The second stopper 38 is provided with two second moving rods 542 sliding along the length direction of the second stopper 38 toward one side of the second hinge seat 54, and the square tube 52 is located between the two second moving rods 542. The second hinge seat 54 is hinged with two second linkage rods 541, the second linkage rods 541 are in one-to-one correspondence with the second moving rods 542, and the two second linkage rods 541 are both hinged on the corresponding second moving rods 542. The side of the two second movable rods 542 facing away from the second stop block 38 is fixedly connected with an L-shaped plugboard 543, the plugboard 543 comprises vertical plates 544 fixedly connected to the second movable rods 542, one sides of the two vertical plates 544 facing away from each other are fixedly connected with transverse plates 545 in a welded mode, and the transverse plates 545 are perpendicular to the vertical plates 544. The lower surface of the first turnover plate 12 is fixedly connected with a sleeve 546 for plugging the transverse plate 545.

When the two first moving rods 532 are away from each other until the pin shafts 533 are inserted into the corresponding limiting holes 534, the two second moving rods 542 are close to each other until the insertion plates 543 are completely separated from the corresponding sleeves 546, and at this time, the first hinge base 53 is abutted against the groove wall of the accommodating groove 47 away from the second stop block 38; when the two first moving rods 532 approach each other until the pin 533 is separated from the corresponding limiting hole 534, the two second moving rods 542 are separated from each other until the insert plate 543 is inserted into the corresponding sleeve 546, and at this time, the first hinge seat 53 abuts against the square tube 52.

As shown in fig. 9 and 10, the fixing base 41 is fixedly connected with wing plates 55 along two sides of the length direction of the second stop block 38, guide posts 551 are slidably and penetratingly arranged on the two wing plates 55 along the axial direction of the driving shaft, one ends of the two guide posts 551, which face the first turning plate 12, are fixedly connected with baffle rings 552 for abutting the first turning plate 12, and return springs 553 are sleeved on the guide posts 551 between the baffle rings 552 and the wing plates 55, wherein the return springs 553 are always in a compressed state. One end of the two guide posts 551 away from the baffle ring 552 is fixedly connected through a connecting plate 554, and the connecting plate 554 is positioned on one side of the fixed seat 41 away from the first turnover plate 12. One side of the connecting plate 554 facing the first turnover plate 12 is fixedly connected with a lug 555, and one side of the fixing seat 41 far away from the first turnover plate 12 is provided with a through hole 556 communicated with the accommodating groove 47. The connecting plate 554 abuts against the fixing seat 41 under the elastic force of the return spring 553, and the protruding block 555 is inserted into the through hole 556 and extends into the accommodating groove 47 to limit the second hinge seat 54.

When the first flipping plate 12 is flipped to form an angle with the second flipping plate 14, the second hinge base 54 abuts against a groove wall of the accommodating groove 47 away from the second stop block 38, and the boss 555 abuts against a side of the second hinge base 54 facing the second stop block 38. When the first and second flipping plates 12 and 14 are aligned, the first flipping plate 12 pushes the baffle ring 552 to drive the connecting plate 554 and the fixing seat 41 away from each other, so that the boss 555 is gradually retracted into the through hole 556, thereby releasing the limiting effect of the boss 555 on the second hinge seat 54.

When the operator needs to open the first turnover plate 12 to make the accumulated water on the road surface flow into the well, the operator needs to rotate the first rotating head 43 to drive the driving shaft to rotate and further drive the first bevel gear 46 to rotate, and the first bevel gear 46 is meshed with the second bevel gear 48, so that the second bevel gear 48 and the stud 5 relatively rotate. The second bevel gear 48 moves the stud 5 in the self axis direction and drives the push rod 51 to move in the self axis direction. When the push rod 51 drives the first hinge seat 53 and the second hinge seat 54 to move towards the second bevel gear 48, the first hinge seat 53 pushes the two first linkage rods 531 and drives the two first moving rods 532 to move away from each other until the pin shafts 533 are inserted into the corresponding limiting holes 534. At the same time, the second hinge base 54 pushes the two second linkage rods 541 and drives the two second moving rods 542 to approach each other until the insert plate 543 is completely separated from the corresponding sleeve 546. In this state, the operator turns over the first turning plate 12 so that the first turning plate 12 and the second turning plate 14 are separated from each other, the effect of blocking the corresponding drain grooves 16 is gradually released by the respective blocking strips 17, and in addition, the grid plates 15 on both sides of the first turning plate 12 are blocked between the first turning plate 12 and the wellhead of the catch basin 1 so that the road area water can flow into the well from the holes of the grid plates 15, the drain grooves 16 and the gaps between the adjacent blocking strips 17, and the situation that the larger sundries on the road surface enter the well to cause the blockage in the well is reduced. In addition, the blocking strip 17 forms an inclined transition between the first and second turning plates 12 and 14, which is beneficial to reducing the stumbling of pedestrians.

When the operator needs to disassemble the whole well cover 11, the operator needs to reset the first turnover plate 12 to be flush with the second turnover plate 14, then the operator reversely rotates the first rotating head 43, when the push rod 51 is controlled to drive the first hinging seat 53 and the second hinging seat 54 to move away from the second bevel gear 48, the two first moving rods 532 are mutually close to each other until the pin shafts 533 are separated from the corresponding limiting holes 534, the two second moving rods 542 are mutually far away from each other until the inserting plates 543 are inserted into the corresponding sleeves 546, at this time, the operator drives the first turnover plate 12 and the second turnover plate 14 to simultaneously turn by turning over the first turnover plate 12, and in the process, the second turnover plate 14 turns over to drive the second stop block 38 to turn over, so that the second stop block 38 removes the blocking effect on the sliding rails 34, and the operator can slide out of the two sliding rails 34 by pushing the rotating seat 22 away from the hinging lugs 36, so as to realize the disassembly of the well cover 11.

As shown in fig. 11 and 12, the limiting unit 6 includes support plates 61 provided on both side walls of the catch basin 1 in the width direction thereof, the support plates 61 are in one-to-one correspondence with the main bars 32, and both support plates 61 are used for supporting the corresponding main bars 32. The two support plates 61 are hinged with support rods 62, one sides of the two support rods 62 far away from the support plates 61 are hinged with sliding blocks 63, the cross sections of the sliding blocks 63 are T-shaped, one sides of the two main rods 32 opposite to each other are provided with sliding grooves 64 for sliding the sliding blocks 63, and the cross sections of the sliding grooves 64 are also T-shaped.

As shown in fig. 12 and 13, the opposite sides of the two sliding blocks 63 are fixedly connected with a mounting plate 65 through upright posts, a threaded hole is formed in the mounting plate 65, and the mounting plate 65 is in threaded connection with a cylindrical threaded cylinder 651 in the threaded hole. The insertion rod 652 is inserted into the screw cylinder 651, and the longitudinal direction of the insertion rod 652 is parallel to the longitudinal direction of the auxiliary rod 33. The threaded cylinder 651 is in clearance fit with the inserted rod 652, a first limiting ring 653 is fixedly connected to the outer circumferential surface of the inserted rod 652 in a coaxial mode, and the first limiting ring 653 is slidably arranged in the threaded cylinder 651 in a penetrating mode. The inner circumferential surface of the threaded cylinder 651 is fixedly connected with a second limiting ring 654 in an ascending coaxial manner, the inserting rod 652 is slidably arranged in the second limiting ring 654 in a penetrating manner, and the first limiting ring 653 is located between the sliding block 63 and the second limiting ring 654. The circumference of the inserting rod 652 is fixedly connected with a convex ring 655, the convex ring 655 is positioned between the first limiting ring 653 and the sliding block 63, the inserting rod 652 pushes the spring 66 between the convex ring 655 and the mounting plate 65, and the pushing spring 66 is always in a compressed state.

The end of the inserting rod 652 away from the sliding block 63 is fixedly connected with a pull ring 67, the end of the inserting rod 652 away from the pull ring 67 slides along the length direction of the inserting rod 652 to penetrate through the corresponding sliding block 63, and two slots 68 for inserting the inserting rod 652 are formed in the main rod 32. When the two main rods 32 are turned over to be abutted against the corresponding bearing plates 61, the two sliding blocks 63 are positioned at one end of the corresponding sliding grooves 64 far away from the hinge lugs 36, and the inserting rod 652 is inserted into one of the inserting grooves 68; when both main bars 32 are turned to the vertical state, both sliding blocks 63 are located at one end of the corresponding sliding groove 64 near the hinge lug 36, and the inserting rod 652 is inserted into the other inserting groove 68.

Through all overturning two mobile jib 32 to vertical state, realize the transition of difference in height between well head and the in-well cat ladder 31, before the operator gets into the well through cat ladder 31, need be through rotating the screw thread section of thick bamboo 651 on two mounting panels 65 for the second spacing ring 654 in two screw thread section of thick bamboo 651 all supports tightly with corresponding first spacing ring 653, thereby prevents the inserted bar 652 break away from corresponding slot 68, leads to cat ladder 31 to empty the condition that causes the harm to the operator. After the use of the cat ladder 31 is completed, an operator releases the blocking effect of the second limiting ring 654 on the first limiting ring 653 by reversely rotating the threaded cylinder 651, and pulls the pull ring 67 to enable the inserting rod 652 to move away from the slot 68 by overcoming the elastic action of the limiting spring 79, so that the limiting effect of the inserting rod 652 on the sliding block 63 is released, and finally, the cat ladder 31 is turned over to enable the two main rods 32 to be supported on the corresponding supporting plate 61 again, and at the moment, the inserting rod 652 is reset under the elastic action of the corresponding limiting spring 79 and inserted into the slot 68 at the corresponding position.

As shown in fig. 14 and 15, the control assembly 7 includes a third linkage rod 71 hinged to the second link 24, and a movable seat 72 is hinged to an end of the third linkage rod 71 away from the second link 24, and the two movable seats 72 are located between the two second links 24. The side of the first roll-over plate 12 facing the support beam 21 is provided with a guide groove 73 for sliding the movable seat 72, the length direction of the guide groove 73 is parallel to the length direction of the first roll-over plate 12, and the through hole 45 is located between the two guide grooves 73. Two guide rails 74 are fixedly connected to one side of the first turnover plate 12 facing the two support beams 21, and the length directions of the two guide rails 74 are parallel to the length direction of the guide groove 73. The guide rails 74 are in one-to-one correspondence with the movable seats 72, and the two guide rails 74 are provided with adjusting seats 75 in a sliding manner along the length direction of the guide rails. One side of the adjusting seat 75 far away from the first turnover plate 12 is hinged with a first limiting plate 76, a cylindrical guide rod 77 is arranged on the first limiting plate 76 in a sliding and penetrating mode, and the axial direction of the guide rod 77 is always parallel to the plane where the first turnover plate 12 is located. The guide rods 77 extend towards the corresponding moving seats 72, and one ends of the guide rods 77 towards the moving seats 72 are fixedly connected with second limiting plates 78, and the second limiting plates 78 are hinged with the corresponding moving seats 72. A limiting spring 79 is sleeved on the guide rod 77 between the first limiting plate 76 and the second limiting plate 78, and the limiting spring 79 is always in a compressed state.

When two adjustment seats 75 are located at the end of the corresponding guide rail 74 close to the through hole 45. In the initial state, the first turnover plate 12 and the second turnover plate 14 are parallel to each other and plugged on the wellhead, at this time, the moving seat 72 is located between the through hole 45 and the corresponding adjusting seat 75, and the limiting spring 79 pushes the moving seat 72 to move toward the through hole 45. The operator turns over the first turning plate 12 to drive the first connecting rod 23 and the second connecting rod 24 to gradually turn over to be parallel to each other, in this process, the moving seat 72 overcomes the elastic force of the limiting spring 79 to move away from the through hole 45, and after the moving seat 72 passes over the adjusting seat 75, the adjusting seat 75 is located between the through hole 45 and the corresponding moving seat 72, and at this time, the limiting spring 79 pushes the moving seat 72 to move away from the through hole 45. When the first turning plate 12 is turned over to the first link 23 parallel to the second link 24 and the rotation shaft 25 is located at one end of the kidney-shaped hole 26 away from the first turning plate 12, both side plates 241 of the second link 24 are located between the first turning plate 12 and the corresponding support beam 21, and the limit springs 79 limit the turning of the first link 23 and the second link 24 toward the moving seat 72. When the operator releases the first roll-over plate 12, under the action of gravity of the first roll-over plate 12, the rotating shaft 25 moves toward the rotating seat 22 to a position where the kidney-shaped hole 26 is close to one end of the first roll-over plate 12, the support plate 27 abuts against the base plate 242 of the second link 24, and both side plates 241 of the second link 24 are supported between the first roll-over plate 12 and the support beam 21.

When the operator needs to close the first roll-over panel 12, the operator needs to move the two adjustment seats 75 to the ends of the corresponding guide rails 74 away from each other. At this time, the moving seat 72 is located between the through hole 45 and the corresponding adjusting seat 75, and the moving seat 72 has a tendency to move toward the through hole 45 under the elastic force of the limiting spring 79, so that the first link 23 and the second link 24 each have a tendency to turn toward the corresponding moving seat 72. An operator lifts the first turnover plate 12, so that the rotating shaft 25 is located at one end of the kidney-shaped hole 26 far away from the first turnover plate 12, at this time, the base plate 242 of the second connecting rod 24 releases the limiting effect on the support plate 27, under the elastic force of the limiting spring 79, the first connecting rod 23 and the second connecting rod 24 both turn towards the moving seat 72, so that the side plate 241 of the second connecting plate 554 gradually breaks away from between the first turnover plate 12 and the supporting beam 21, and releases the limiting effect on the first turnover plate 12.

As shown in fig. 1 and 14, the first turnover plate 12 is provided with a driving unit 8 for controlling the two adjusting seats 75 to approach each other or separate from each other, the driving unit 8 includes a driving shaft penetrating the first turnover plate 12, the driving shaft is rotatably connected with the first turnover plate 12, and an axial direction of the driving shaft is perpendicular to a plane where the first turnover plate 12 is located. The upper end of the driving shaft is fixedly connected with a second rotating head 82, and a second inner hexagonal groove is formed in one end, far away from the driving shaft, of the second rotating head 82. The driving bevel gear 84 is fixedly connected to the lower end of the driving shaft in a coaxial manner, the driving bevel gear 84 is located on the lower surface of the first overturning plate 12, the lower surface of the first overturning plate 12 is further rotatably connected with the driven shaft 85, and the axial direction of the driven shaft 85 is parallel to the length direction of the first overturning plate 12. The driven shaft 85 is coaxially and fixedly connected with a driven bevel gear 86 near the middle position, and the driving bevel gear 84 is meshed with the driven bevel gear 86. The two ends of the driven shaft 85 are fixedly connected with screws 87, the screw threads of the two screws 87 are opposite in rotation direction, the screws 87 are in one-to-one correspondence with the adjusting seats 75, the two adjusting seats 75 are fixedly connected with lug plates 88, and the screws 87 penetrate through the corresponding lug plates 88 and are in threaded connection with the lug plates 88.

The operator drives the driving shaft and the driving bevel gear 84 to rotate by screwing the second rotating head 82, the driven rotating shaft 25 and the screw rod 87 rotate due to the mutual engagement of the driving bevel gear 84 and the driven bevel gear 86, and the two adjusting seats 75 can be mutually close to or mutually far away due to the threaded connection of the lug plate 88 and the screw rod 87 and the opposite screwing directions of the threads of the two screw rods 87.

The implementation principle of the embodiment of the application is as follows: by turning the first turning plate 12, an operator makes an included angle between the first turning plate 12 and the second turning plate 14, and increases the speed of the road surface water flowing into the catch basin 1. And the rainwater is filtered through the grating plate 15, the plugging strips 17 and the water leakage groove 16, so that the situation that the rainwater well 1 is blocked due to the fact that road impurities flow into the rainwater well 1 can be reduced. Furthermore, the oblique transition is formed by the blocking strip 17 for the height difference between the first and second roll-over panels 12, 14, so that the situation of tripping over a passer-by when the first roll-over panel 12 is tilted is reduced. When the drainage speed of the accumulated water on the road surface is accelerated by overturning the first overturning plate 12, the first overturning plate 12 and the second overturning plate 14 still play a blocking effect on the rainwater well 1, the conditions of falling of pedestrians and falling of wheels are reduced, and the use safety of the well cover 11 for the rainwater well 1 is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. Municipal administration well lid, its characterized in that: the rainwater well comprises an installation seat (2) arranged in a rainwater well (1), wherein the installation seat (2) is detachably connected with the wellhead of the rainwater well (1) through a connecting component (3), and a well cover (11) is hinged on the installation seat (2);

the well cover (11) comprises a first turnover plate (12) and a second turnover plate (14), the first turnover plate (12) and the second turnover plate (14) are rectangular, the length directions of the first turnover plate (12) and the second turnover plate (14) are parallel to the width direction of a well mouth, a plurality of rainwater holes (13) are formed in the first turnover plate (12), the first turnover plate (12) is hinged to the mounting seat (2) through a hinge shaft, the axis direction of the hinge shaft is parallel to the length direction of the first turnover plate (12), and the second turnover plate (14) is detachably arranged in the well mouth of the rainwater well (1) through a locking unit (4);

Two supporting beams (21) are arranged on the mounting seat (2), rotating seats (22) are rotatably connected to opposite surfaces of the two supporting beams (21), first connecting rods (23) are hinged to the two rotating seats (22), two second connecting rods (24) are hinged to the lower surface of the first turnover plate (12), and the second connecting rods (24) are in one-to-one correspondence with the first connecting rods (23);

the cross section of the second connecting rod (24) along the length direction of the second connecting rod is -shaped, the second connecting rod (24) comprises two side plates (241) and a base plate (242) positioned between the two side plates (241), the side plates (241) and the base plate (242) are fixedly welded, the two side plates (241) of the second connecting rod (24) are used for supporting the second connecting rod (24) between the first overturning plate (12) and the corresponding supporting beam (21), one end of the first connecting rod (23) far away from the rotating seat (22) is fixedly connected with a rotating shaft (25), the two side plates (241) of the second connecting rod (24) are respectively provided with a waist-shaped hole (26), the length directions of the two waist-shaped holes (26) are parallel to the length direction of the second connecting rod (24), the two waist-shaped holes (26) are respectively positioned at the middle position of the second connecting rod (24) along the length direction, the first connecting rod (23) is positioned in the second connecting rod (24), one end of the first connecting rod (23) far away from the rotating seat (22) is fixedly connected with the rotating shaft (25), the two waist-shaped connecting rods (27) are respectively arranged at the two ends of the corresponding rotating shafts (27) in parallel to each other, a yielding groove (28) for overturning the support plate (27) is formed between the two side plates (241) of the second connecting rod (24);

The well cover (11) is provided with a control component (7) for controlling the second connecting rod (24) to turn over.

2. The municipal well lid according to claim 1, wherein: a plurality of water leakage grooves (16) are formed in the second overturning plate (14), a plurality of plugging strips (17) for plugging the water leakage grooves (16) are hinged to the first overturning plate (12), a cross rod (18) is arranged on the second overturning plate (14) in a sliding mode, and one ends, far away from the first overturning plate (12), of the plugging strips (17) are fixedly connected with the cross rod (18).

3. The municipal well lid according to claim 2, wherein: the locking unit (4) comprises a fixed seat (41) arranged on the second turnover plate (14), a first bevel gear (46) and a second bevel gear (48) are rotatably connected to the fixed seat (41), the first bevel gear (46) is meshed with the second bevel gear (48), a driving shaft is coaxially arranged on the first bevel gear (46), a through hole (45) aligned with the driving shaft is formed in the first turnover plate (12), a stud (5) is coaxially arranged on the second bevel gear (48) in a penetrating mode, the stud (5) is in threaded connection with the second bevel gear (48), a push rod (51) is arranged at one end of the stud (5), the push rod (51) is perpendicular to the driving shaft, and the push rod (51) is slidably arranged on the second turnover plate (14) along the axis direction of the push rod;

Be provided with first articulated seat (53) on ejector pin rod (51), it has two first gangbars (531) to articulate on first articulated seat (53), slide on second upset board (14) and be provided with two first movable bars (532), first gangbar (531) with first movable bar (532) one-to-one, and two first gangbar (531) all articulate on corresponding first movable bar (532), two all be provided with round pin axle (533) on first movable bar (532), offer on the inner wall of the well head of catch basin (1) and be used for supplying spacing hole (534) of round pin axle (533) grafting.

4. A municipal manhole cover according to claim 3, wherein: the utility model discloses a push rod (51) is provided with second movable rod (542), still slide on second upset board (14), be provided with second articulated seat (54) on push rod (51), articulated on second articulated seat (54) have two second gangbars (541), second gangbar (541) and second movable rod (542) one-to-one, and two second gangbar (541) all articulate on corresponding second movable rod (542), two all be provided with picture peg (543) on second gangbar (541), be provided with sleeve (546) that supplies picture peg (543) to peg graft on first upset board (12), be located push rod (51) same one side first movable rod (532) with second movable rod (542) remove the opposite direction.

5. The municipal well lid of claim 4, wherein: be provided with two pterygoid lamina (55) on fixing base (41), two all run through on pterygoid lamina (55) and be provided with guide post (551), two connect through connecting plate (554) between guide post (551), connecting plate (554) are located fixing base (41) deviate from one side of first upset board (12), be provided with lug (555) on connecting plate (554), offer on fixing base (41) and be used for supplying perforating hole (556) that lug (555) worn to establish, lug (555) are worn to establish perforating hole (556) and butt are in on second articulated seat (54), two one side that guide post (551) are close to first upset board (12) all be provided with be used for with baffle ring (552) of first upset board (12) butt, be in on guide post (551) pterygoid lamina (55) with the cover is equipped with reset spring (553) between baffle ring (552).

6. The municipal well lid of claim 4, wherein: the connecting assembly (3) comprises a cat ladder (31) hinged in a wellhead of the rainwater well (1), a limiting unit (6) used for limiting overturning of the cat ladder (31) is arranged in the wellhead of the rainwater well (1), a slide rail (34) is arranged on the cat ladder (31), a track (35) used for being matched with the slide rail (34) is arranged on the mounting seat (2), a first stop block (37) used for being abutted to the slide rail (34) is arranged on the mounting seat (2), a second stop block (38) used for being abutted to the slide rail (34) is arranged on the second overturning plate (14), and the track (35) is located between the first stop block (37) and the second stop block (38); the push rod (51) slides along the axis direction of the push rod and penetrates through the second stop block (38), the second stop block (38) is located between the first hinging seat (53) and the second hinging seat (54), and the first moving rod (532) and the second moving rod (542) are both arranged on the second stop block (38) in a sliding mode.

7. The municipal well lid of claim 6, wherein: limiting unit (6) are including setting up carrier plate (61) in the well head of catch basin (1), carrier plate (61) are used for the bearing cat ladder (31), it has bracing piece (62) to articulate on carrier plate (61), it has slider (63) to articulate on bracing piece (62), be provided with on cat ladder (31) and supply spout (64) that slider (63) slided, be provided with mounting panel (65) on slider (63), insert rod (652) are worn to slide on mounting panel (65), be provided with bulge loop (655) on insert rod (652) between mounting panel (65) and slider (63), the cover is equipped with pushing spring (66) on insert rod (652) between bulge loop (655) and mounting panel (65), pushing spring (66) promotes bulge loop (655) and mounting panel (65) and keeps away from each other, insert rod (652) are run through slider (63), and a plurality of being used for supplying insert rod (652) are worn to slide on the groove of spout (64), insert rod (652) insert rod (68) in insert slot (68).

8. The municipal well lid of claim 7, wherein: one side threaded connection that bulge loop (655) was kept away from to fixing base (41) has screw thread section of thick bamboo (651), inserted bar (652) slip wears to establish in screw thread section of thick bamboo (651), be provided with first spacing ring (653) on inserted bar (652), be provided with second spacing ring (654) in screw thread section of thick bamboo (651), first spacing ring (653) are located between second spacing ring (654) and bulge loop (655), one end that spout (64) was kept away from to inserted bar (652) wears out screw thread section of thick bamboo (651) to be provided with pull ring (67).

9. The municipal well lid according to claim 2, wherein: the control assembly (7) comprises a movable seat (72), a guide groove (73) is formed in the first overturning plate (12), the movable seat (72) is slidably arranged in the guide groove (73), a third linkage rod (71) is hinged to the movable seat (72), and the third linkage rod (71) is hinged to the second connecting rod (24);

the control assembly (7) further comprises a guide rail (74) arranged on the first overturning plate (12), an adjusting seat (75) is arranged on the guide rail (74) in a sliding mode, a driving unit (8) used for driving the adjusting seat (75) to slide on the guide rail (74) is arranged on the first overturning plate (12), a first limiting plate (76) is hinged to the adjusting seat (75), a guide rod (77) is arranged on the first limiting plate (76) in a sliding mode in a penetrating mode, a second limiting plate (78) is arranged at the end portion of the guide rod (77), the second limiting plate (78) is hinged to the moving seat (72), a limiting spring (79) is sleeved on the guide rod (77) between the first limiting plate (76) and the second limiting plate (78), and the limiting spring (79) is used for pushing the first limiting plate (76) and the second limiting plate (78) to be far away from each other.