Municipal road drainage filtering device

Through the design of the lifting mechanism and limit blocks, the depth adjustment and stable movement of the filter plate in the municipal road drainage filter device are realized, which solves the problems of difficult control of garbage accumulation depth and blockage, and ensures the efficient operation of the drainage system.

CN223386759UActive Publication Date: 2025-09-26JIANGYIN GANGCHENG MUNICIPAL ENG CO LTD
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Patent Information

Application Number
CN202422859746.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-09-26
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The existing municipal road drainage filtration device cannot adjust the depth of the two-stage filter screen, resulting in the depth of garbage accumulation being difficult to control and the cleaning frequency being uncertain. At the same time, when the rainfall is small, dust can easily pass through the filter screen into the drainage well and cause blockage.

Method used

A device including a first filter plate and a second filter plate is designed. The two are synchronously raised or lowered through a lifting mechanism, and the correspondence or misalignment of the filter holes is adjusted. Combined with a limit block and a moving mechanism, the stable movement of the filter plate in the drainage well and the timely cleaning of garbage are ensured.

Benefits of technology

It effectively reduces the risk of dust entering the drainage well, ensures smooth drainage, and cleans up in time according to the depth of garbage accumulation, reducing the risk of blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a municipal road drainage filtering device in the technical field of municipal road drainage, which comprises a drainage well, the side wall of the drainage well is provided with a drainage pipe, the top of the drainage well is provided with a well lid, and the inner wall of the drainage well is slidably connected with a first filtering plate and a second filtering plate. The first filter plate and the second filter plate are connected in a sliding mode and located above the second filter plate, a plurality of first filter holes and second filter holes are formed in the first filter plate and the second filter plate respectively, and the first filter plate is connected with a lifting mechanism; the lifting mechanism is configured to drive the first filter plate and the second filter plate to synchronously ascend or descend; the first filter plate and the second filter plate are connected together, so that the lifting mechanism connected with the first filter plate can drive the first filter plate and the second filter plate to synchronously ascend or descend in the drainage well, and the depth of the first filter plate and the depth of the second filter plate in the drainage well are adjusted; and the garbage can be conveniently and timely cleaned according to the garbage accumulation depth.
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Description

Technical Field

[0001] The utility model relates to the technical field of municipal road drainage, in particular to a municipal road drainage filtering device. Background Art

[0002] Chinese patent publication number CN218292195U discloses a municipal road drainage filtration device. In the above application, a fixing frame, a lever, a threaded joint and a threaded interface are provided. Before the water on the municipal road is discharged into the interior of the drainage well through the drain outlet, the primary filter on the fixing frame will filter it, and the filtered garbage will be collected inside the fixing frame. When cleaning is needed, it is only necessary to open the manhole cover and rotate the fixing frame by the lever so that the threaded joint at the top of the fixing frame is withdrawn from the inside of the threaded interface. The fixing frame can then be removed from the bottom of the manhole cover to clean the garbage collected inside. In this way, the overall structure of the device is simple and not prone to blockage and other failures.

[0003] However, during actual use, the above-mentioned equipment filters rainwater through a two-stage filter screen to facilitate the collection and cleaning of garbage, but the depth of the two-stage filter screen in the drainage well cannot be adjusted, and thus the depth of garbage accumulation and the frequency of cleaning cannot be adjusted. At the same time, when the rainfall is small, the conductivity of the two-stage filter screen cannot be reduced, and dust will enter the drainage well through the two-stage filter screen, resulting in the risk of blockage in subsequent drainage, thereby reducing the drainage effect. Utility Model Content

[0004] The purpose of the utility model is to provide a municipal road drainage filtering device to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A municipal road drainage filter device comprises a drainage well, wherein the side wall of the drainage well is provided with a drainage pipe, the top of the drainage well is provided with a well cover, the inner wall of the drainage well is slidably connected to a first filter plate and a second filter plate, the first filter plate is slidably connected to the second filter plate and is located above the second filter plate, the first filter plate and the second filter plate are respectively provided with a plurality of first filter holes and a second filter hole, the first filter plate is connected to a lifting mechanism, the lifting mechanism is configured to drive the first filter plate and the second filter plate to rise or fall synchronously; the lifting mechanism comprises lifting blocks fixedly mounted on the side walls of both sides of the first filter plate, the lifting blocks are lifted and lowered along the lifting groove, and any A rotating chamber is provided in the lifting block, and a rotating disk is rotatably connected in the rotating chamber. The top of the rotating disk is fixedly connected to a rotating shaft rotatably connected to the lifting block. The free end of the rotating shaft extends out of the lifting block and is coaxially fixedly connected to the screw. The screw passes through a connecting groove and extends into the connected moving groove. The two moving grooves are slidably connected with the moving blocks. A nut threadedly connected to the screw is provided in the moving block, and a handle is provided at the free end of the screw. A pull rod is fixedly connected to the other lifting block, and the pull rod passes through another connecting groove and extends into another connected moving groove. The free end of the pull rod is slidably connected to the other moving block, and a grip is provided at the free end.

[0007] As a further solution of the present invention: the first filter plate and the second filter plate are located directly below the manhole cover, the first filter plate matches the cross-section of the drainage well, the second filter plate is smaller than the first filter plate, and the second filter plate slides along the first filter plate so that the first filter hole and the second filter hole correspond or are staggered.

[0008] As a further solution of the present invention: the second filter plate is provided with several groups of connecting holes and sliding grooves that are connected from top to bottom, and the size of the connecting holes is smaller than the sliding grooves. Connecting rods corresponding to the several groups of connecting holes and sliding grooves are provided under the first filter plate. Several of the connecting rods pass through the connecting holes, and the free ends are fixedly connected to sliding blocks, and the sliding blocks are slidably connected to the sliding grooves.

[0009] As a further solution of the present invention: a moving block equipped with a screw is connected to a moving mechanism, the moving mechanism includes a rotating block rotatably connected to the moving block, the rotating block is fixedly connected to a screw rod, the screw rod is threadedly connected to the drainage well and extends into a driving groove, the driving groove is opened on the drainage well and is located on the same horizontal plane as the moving groove, the free end of the screw rod is provided with a turning handle, and the extension direction of the screw rod is in the same straight line as the sliding direction of the moving block.

[0010] As a further solution of the present invention: a plurality of limit blocks are provided on the side of the first filter plate, the limit blocks are raised and lowered along the limit grooves, the limit grooves are vertically opened on the inner wall of the drainage well and correspond to the plurality of limit blocks.

[0011] As a further solution of the present invention: the lifting groove is symmetrically opened on the opposite sides of the drainage well, the lifting groove is wider than the lifting block, the two lifting blocks are lifted or translated in the lifting groove, the connecting groove and the movable groove are symmetrically opened on the opposite sides of the drainage well respectively, the connecting groove is located above the movable groove, and is connected with the lifting groove through the connecting groove, the movable block is slidably connected to the movable groove, and its size is larger than the connecting groove.

[0012] As a further solution of the present invention: the rotating disk is clearance-matched with the rotating cavity.

[0013] As a further solution of the present invention: a plurality of drainage channels are provided on the manhole cover, a plurality of mounting blocks are provided on the lower surface of the manhole cover, a plurality of mounting holes corresponding to and matching the mounting blocks are provided on the upper surface of the drainage well, and two sealing grooves are provided on the lower surface of the manhole cover, and the two sealing grooves correspond to the two movable grooves and are configured to accommodate handles and grips.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the present invention, when the second filter plate slides under the first filter plate, the first filter hole and the second filter hole can be made to correspond or be misaligned. The greater the degree of misalignment between the second filter plate and the first filter plate, the more difficult it is for dust to pass through the second filter plate and the first filter plate into the drainage well, thereby reducing the risk of subsequent drainage blockage and ensuring smooth drainage.

[0016] In the utility model, the first filter plate and the second filter plate are connected together, so the lifting mechanism connected to the first filter plate can drive the first filter plate and the second filter plate to rise or fall synchronously in the drainage well, and adjust the depth of the first filter plate and the second filter plate in the drainage well, so as to facilitate timely cleaning of garbage according to the depth of garbage accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3 It is a side view of the utility model;

[0020] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0021] Figure 5 for Figure 3 Enlarged view of point A in the middle;

[0022] Figure 6 for Figure 3 Enlarged view of point B in the middle;

[0023] Figure 7 This is a structural diagram of the connection between the first filter plate and the second filter plate in the present invention.

[0024] In the figure: 1. Drain well; 11. Mounting hole; 12. Lifting groove; 13. Connecting groove; 14. Moving groove; 15. Driving groove; 16. Limiting groove; 2. Drain pipe; 3. Manhole cover; 31. Drain channel; 32. Mounting block; 33. Sealing groove; 4. First filter plate; 41. First filter hole; 42. Connecting rod; 43. Sliding block; 44. Limiting block; 5. Second filter plate; 51. Second filter hole; 52. Connecting hole; 53. Sliding groove; 6. Lifting mechanism; 61. Lifting block; 62. Rotating chamber; 63. Rotating disk; 64. Rotating shaft; 65. Screw; 66. Moving block; 67. Nut; 68. Handle; 69. Pull rod; 7. Moving mechanism; 71. Rotating block; 72. Screw; 73. Turning handle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example

[0027] A municipal road drainage filtration device, reference Figure 1-Figure 7 , including a drainage well 1, a drainage pipe 2 is provided on the side wall of the drainage well 1, a manhole cover 3 is provided on the top of the drainage well 1, a plurality of drainage channels 31 are opened through the manhole cover 3, a plurality of mounting blocks 32 are provided on the lower surface of the manhole cover 3, and a plurality of mounting holes 11 corresponding to and matching the mounting blocks 32 are opened on the upper surface of the drainage well 1; the effect achieved by the above components is: rainwater can enter the drainage well 1 through the drainage channel 31, and then flow into the drainage pipe 2; the plurality of mounting blocks 32 on the manhole cover 3 are inserted into the corresponding mounting holes 11, so that the manhole cover 3 and the drainage well 1 can be connected.

[0028] As shown in the figure, in this embodiment: the inner wall of the drainage well 1 is slidably connected with the first filter plate 4 and the second filter plate 5, the first filter plate 4 and the second filter plate 5 are slidably connected and are located above the second filter plate 5, the first filter plate 4 and the second filter plate 5 are located directly below the manhole cover 3, the first filter plate 4 matches the cross-section of the drainage well 1, the second filter plate 5 is smaller than the first filter plate 4, and the second filter plate 5 is provided with a plurality of groups of connecting holes 52 and sliding grooves 53 from top to bottom, the connecting holes 52 are smaller than the sliding grooves 53, and connecting rods 42 corresponding to the plurality of connecting holes 52 and the sliding grooves 53 are provided below the first filter plate 4, and the plurality of connecting rods 42 pass through the connecting holes 52, and the free ends are fixedly connected with sliding blocks 43, and the sliding blocks 43 slide in the sliding grooves 53 Dynamic connection; the effects achieved by the above components are: the first filter plate 4 and the second filter plate 5 filter rainwater, making it convenient to collect and clean up garbage; the sliding block 43 matches the sliding groove 53, and the connecting hole 52 is smaller than the sliding groove 53, so that the sliding block 43 will not enter the connecting hole 52, and the sliding block 43 prevents the first filter plate 4 and the second filter plate 5 from being separated through the connecting rod 42; the connecting rod 42 and the sliding block 43 slide along the connecting hole 52 and the sliding groove 53 respectively, so that the second filter plate 5 can slide along the first filter plate 4; the second filter plate 5 is smaller than the first filter plate 4, so that the second filter plate 5 can slide below the first filter plate 4 and will not exceed the range of the first filter plate 4, and can slide within the cross-sectional area of ​​the drainage well 1.

[0029] As shown in the figure, in this embodiment: a plurality of first filter holes 41 and second filter holes 51 are respectively provided on the first filter plate 4 and the second filter plate 5, and the second filter plate 5 slides along the first filter plate 4 so that the first filter holes 41 and the second filter holes 51 correspond to or are misaligned; the effect achieved by the above components is: during the sliding process of the second filter plate 5 under the first filter plate 4, the first filter holes 41 and the second filter holes 51 can be made to correspond to or be misaligned, and the greater the degree of misalignment between the second filter plate 5 and the first filter plate 4, the more difficult it is for dust to pass through the second filter plate 5 and the first filter plate 4 into the drainage well, thereby reducing the risk of subsequent drainage blockage and ensuring smooth drainage.

[0030] As shown in the figure, in this embodiment: the first filter plate 4 is connected to the lifting mechanism 6, and the lifting mechanism 6 is configured to drive the first filter plate 4 and the second filter plate 5 to rise or fall synchronously; the effect achieved by the above components is: the first filter plate 4 and the second filter plate 5 are connected together, so the lifting mechanism 6 connected to the first filter plate 4 can drive the first filter plate 4 and the second filter plate 5 to rise or fall synchronously in the drainage well 1, adjust the depth of the first filter plate 4 and the second filter plate 5 in the drainage well 1, and facilitate timely cleaning of garbage according to the depth of garbage accumulation.

[0031] As shown in the figure, in this embodiment: a number of limit blocks 44 are provided on the side of the first filter plate 4, and the limit blocks 44 rise and fall along the limit grooves 16. The limit grooves 16 are vertically opened on the inner wall of the drainage well 1 and correspond to the number of limit blocks 44; the effect achieved by the above components is: when the lifting mechanism 6 drives the first filter plate 4 and the second filter plate 5 to rise or fall synchronously in the drainage well 1, the limit blocks 44 rise and fall along the limit grooves 16, which can maintain the stability of the lifting process of the first filter plate 4 and prevent jamming.

[0032] As shown in the figure, in this embodiment: the lifting mechanism 6 includes a lifting block 61 fixedly installed on the side walls of both sides of the first filter plate 4, the lifting block 61 is lifted and lowered along the lifting groove 12, the lifting groove 12 is symmetrically opened on the opposite sides of the drainage well 1, the lifting groove 12 is wider than the lifting block 61, and the two lifting blocks 61 are lifted and lowered or translated in the lifting groove 12; the effect achieved by the above components is: the two lifting blocks 61 are lifted and lowered in the lifting groove 12, which can drive the first filter plate 4 and the second filter plate 5 to rise or fall synchronously in the drainage well 1; the two lifting blocks 61 translate in the lifting groove 12, which can drive the second filter plate 5 to slide under the first filter plate 4, so that the first filter hole 41 and the second filter hole 51 correspond or are misaligned.

[0033] As shown in the figure, in this embodiment: a rotating cavity 62 is opened in any lifting block 61, and a rotating disk 63 is rotatably connected in the rotating cavity 62. The rotating disk 63 is clearance-matched with the rotating cavity 62. The top of the rotating disk 63 is fixedly connected to a rotating shaft 64 rotatably connected to the lifting block 61. The free end of the rotating shaft 64 extends out of the lifting block 61 and is coaxially fixedly connected to the screw 65. The screw 65 passes through a connecting groove 13 and extends into the connected moving groove 14. The two moving grooves 14 are slidably connected with a moving block 66, and the moving block 66 is provided with a threaded screw 65. The connected nut 67 and the free end of the screw 65 are provided with a handle 68; the effect achieved by the above components is: the screw 65 can be driven to rotate in the nut 67 through the handle 68, and the screw 65 will spirally rise and fall along the nut 67 in the vertical plane, and the other end of the screw 65 will drive the rotating shaft 64 and the rotating disk 63 to rotate along the lifting block 61, and drive the lifting block 61 to rise and fall in the lifting groove 12, thereby realizing the lifting of a lifting block 61; the rotating disk 63 and the rotating chamber 62 are clearance-matched, which can make the rotating disk 63 rotate smoothly in the rotating chamber 62.

[0034] As shown in the figure, in this embodiment: the connecting groove 13 and the movable groove 14 are symmetrically opened on the opposite sides of the drainage well 1, the connecting groove 13 is located above the movable groove 14, and is connected with the lifting groove 12 through the connecting groove 13, and the movable block 66 is slidingly connected to the movable groove 14, and its size is larger than the connecting groove 13; the effect achieved by the above components is: the two lifting grooves 12 are connected with the movable groove 14 through the connecting groove 13; the movable block 66 is slidingly connected to the movable groove 14, and its size is larger than the connecting groove 13, so that the movable block 66 will be stable in the movable groove 14, and will not move in the vertical direction, so the position of the nut 67 is fixed, and then the screw 65 will spirally lift and lower along the nut 67 in the vertical plane.

[0035] As shown in the figure, in this embodiment: a pull rod 69 is fixedly connected to the other lifting block 61, the pull rod 69 passes through another connecting groove 13 and extends into another connected moving groove 14, the free end of the pull rod 69 is slidably connected to the other moving block 66, and the free end is provided with a grip; the effect achieved by the above components is: while turning the handle 68, the pull rod 69 is pulled by the grip, so that the two lifting blocks 61 can be raised and lowered synchronously, and there will be no asynchronous movement, so that the first filter plate 4 and the second filter plate 5 rise or fall synchronously in the drainage well 1.

[0036] As shown in the figure, in this embodiment: a moving block 66 equipped with a screw 65 is connected to a moving mechanism 7, and the moving mechanism 7 includes a rotating block 71 rotatably connected to the moving block 66, and the rotating block 71 is fixedly connected to a screw rod 72, which is threadedly connected to the drainage well 1 and extends into the drive groove 15. The drive groove 15 is opened on the drainage well 1 and is located on the same horizontal plane as the moving groove 14. A rotating handle 73 is provided at the free end of the screw rod 72, and the extending direction of the screw rod 72 is in the same straight line as the sliding direction of the moving block 66; the effect achieved by the above components is that the screw rod 72 can be driven to rotate by the rotating handle 73 The screw rod 72 translates spirally along the drainage well 1, and during the translation of the screw rod 72, the moving block 66 is driven to translate along the moving groove 14. During the translation of the moving block 66, the two lifting blocks 61 are driven to translate in the lifting groove 12 through the cooperation of the screw rod 65 and the manual push rod 69. The two lifting blocks 61 drive the second filter plate 5 to slide under the first filter plate 4, so that the first filter hole 41 and the second filter hole 51 correspond to or are misaligned; the extension direction of the screw rod 72 and the sliding direction of the moving block 66 are on the same straight line, so the rotation of the screw rod 72 can drive the moving block 66 to translate along the moving groove 14.

[0037] As shown in the figure, in this embodiment: two sealing grooves 33 are opened on the lower surface of the manhole cover 3, the two sealing grooves 33 correspond to the two movable grooves 14 and are configured to accommodate the handle 68 and the grip; the effect achieved by the above components is: the handle 68 and the grip will extend out of the two movable grooves 14, so the two sealing grooves 33 can provide installation space for the handle 68 and the grip.

[0038] The operating principle of the present utility model is as follows: when it is necessary to clear the garbage above the first filter plate 4, the manhole cover 3 is removed, and then the screw 65 is driven to rotate in the nut 67 by the handle 68. The screw 65 will spirally rise along the nut 67 in the vertical plane, and the other end of the screw 65 drives the rotating shaft 64 and the rotating disk 63 to rotate along the lifting block 61, and drives the lifting block 61 to rise in the lifting groove 12. At the same time, the pull rod 69 is pulled by the gripper, so that the two lifting blocks 61 rise synchronously, and the two lifting blocks 61 drive the first filter plate 4 and the second filter plate 5 to rise synchronously in the drainage well 1 until the garbage can be conveniently cleaned;

[0039] When it is necessary to change the degree of misalignment between the first filter hole 41 and the second filter hole 51, remove the manhole cover 3, and then drive the screw rod 72 to rotate through the turning handle 73, and the screw rod 72 drives the moving block 66 to translate along the moving groove 14. At the same time, manually drive another moving block 66 to translate along the moving groove 14. The two moving blocks 66 respectively drive the two lifting blocks 61 to translate in the lifting groove 12 through the screw 65 and the pull rod 69. The two lifting blocks 61 drive the second filter plate 5 to slide under the first filter plate 4 to change the degree of misalignment between the first filter hole 41 and the second filter hole 51.

[0040] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A municipal road drainage filtration device, comprising a drainage well (1), a drainage pipe (2) being provided on the side wall of the drainage well (1), and a well cover (3) being provided on the top of the drainage well (1), characterized in that: The inner wall of the drainage well (1) is slidably connected to a first filter plate (4) and a second filter plate (5); the first filter plate (4) is slidably connected to the second filter plate (5) and is located above the second filter plate (5); a plurality of first filter holes (41) and a plurality of second filter holes (51) are respectively provided on the first filter plate (4) and the second filter plate (5); the first filter plate (4) is connected to a lifting mechanism (6); the lifting mechanism (6) is configured to drive the first filter plate (4) and the second filter plate (5) to rise or fall synchronously; The lifting mechanism (6) includes lifting blocks (61) fixedly mounted on the side walls of both sides of the first filter plate (4). The lifting blocks (61) are lifted and lowered along the lifting groove (12). A rotating cavity (62) is provided in any lifting block (61). A rotating disk (63) is rotatably connected in the rotating cavity (62). A rotating shaft (64) rotatably connected to the lifting block (61) is fixedly connected to the top of the rotating disk (63). The free end of the rotating shaft (64) extends out of the lifting block (61) and is coaxially fixedly connected to a screw (65). The screw (65) passes through a connecting groove (13). And extends into the connected moving groove (14), the two moving grooves (14) are slidably connected with a moving block (66), the moving block (66) is provided with a nut (67) threadedly connected to the screw (65), the free end of the screw (65) is provided with a handle (68), and the other lifting block (61) is fixedly connected with a pull rod (69), the pull rod (69) passes through another connecting groove (13) and extends into another connected moving groove (14), the free end of the pull rod (69) is slidably connected to the other moving block (66), and the free end is provided with a grip.

2. A municipal road drainage filtration device according to claim 1, characterized in that: The first filter plate (4) and the second filter plate (5) are located directly below the manhole cover (3); the first filter plate (4) matches the cross section of the drainage well (1); the second filter plate (5) is smaller than the first filter plate (4); the second filter plate (5) slides along the first filter plate (4) so ​​that the first filter hole (41) and the second filter hole (51) correspond to or are misaligned.

3. A municipal road drainage filtration device according to claim 2, characterized in that: The second filter plate (5) is provided with a plurality of groups of connecting holes (52) and sliding grooves (53) that are connected from top to bottom. The size of the connecting holes (52) is smaller than the sliding grooves (53). Connecting rods (42) corresponding to the plurality of connecting holes (52) and sliding grooves (53) are provided below the first filter plate (4). The plurality of connecting rods (42) pass through the connecting holes (52) and have sliding blocks (43) fixedly connected to the free ends. The sliding blocks (43) are slidably connected to the sliding grooves (53).

4. A municipal road drainage filtration device according to claim 3, characterized in that: The moving block (66) equipped with a screw rod (65) is connected to a moving mechanism (7), the moving mechanism (7) comprising a rotating block (71) rotatably connected to the moving block (66), the rotating block (71) being fixedly connected to a screw rod (72), the screw rod (72) being threadedly connected to the drainage well (1) and extending into a driving groove (15), the driving groove (15) being provided on the drainage well (1) and being located on the same horizontal plane as the moving groove (14), the free end of the screw rod (72) being provided with a rotating handle (73), the extending direction of the screw rod (72) being on the same straight line as the sliding direction of the moving block (66).

5. The municipal road drainage filtering device according to claim 4, characterized in that: A plurality of limit blocks (44) are provided on the side of the first filter plate (4), and the limit blocks (44) are raised and lowered along the limit grooves (16). The limit grooves (16) are vertically opened on the inner wall of the drainage well (1) and correspond to the plurality of limit blocks (44).

6. The municipal road drainage filtration device according to claim 5, characterized in that: The lifting groove (12) is symmetrically arranged on the opposite side of the drainage well (1); the width of the lifting groove (12) is greater than that of the lifting block (61); the two lifting blocks (61) are lifted or moved horizontally in the lifting groove (12); the connecting groove (13) and the movable groove (14) are symmetrically arranged on the opposite side of the drainage well (1); the connecting groove (13) is located above the movable groove (14) and is connected to the lifting groove (12) through the connecting groove (13); the movable block (66) is slidably connected to the movable groove (14) and has a size greater than that of the connecting groove (13).

7. The municipal road drainage filtration device according to claim 6, characterized in that: The rotating disk (63) is clearance-matched with the rotating cavity (62).

8. The municipal road drainage filtering device according to claim 7, characterized in that: The manhole cover (3) is provided with a plurality of drainage channels (31) therethrough, the lower surface of the manhole cover (3) is provided with a plurality of mounting blocks (32), the upper surface of the drainage well (1) is provided with a plurality of mounting holes (11) corresponding to and matching the mounting blocks (32), and the lower surface of the manhole cover (3) is provided with two sealing grooves (33), the two sealing grooves (33) corresponding to the two movable grooves (14) and configured to accommodate a handle (68) and a grip.

Citation Information

Patent Citations

  • Municipal road drainage filtering device

    CN218292195U