Drainage cast iron well lid
By designing an adjustable drainage outlet for the cast iron manhole cover, the problems of slow drainage and odor emission during heavy rain have been solved, achieving rapid drainage and preventing items from falling.
Patent Information
- Application Number
- CN202520027029.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The fixed size of the drainage outlets in existing manhole covers leads to insufficient drainage or odor during heavy rain, and also makes it easy for pedestrians and their belongings to fall in.
A drainage cast iron manhole cover was designed, which adjusts the size of the drainage outlet through the cooperation of a rotating plate and an extension plate, and is equipped with a water pressure plate and a drainage cavity to prevent odors from escaping and items from falling.
It enables rapid drainage during heavy rain, prevents odors from escaping, and reduces the risk of pedestrians and objects falling into the manhole, thus improving the practicality and safety of the manhole cover.
Smart Images
Figure CN223766922U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of well lid, concretely is a drainage cast iron well lid. BACKGROUND
[0002] Well lid is used for covering the deep well of road or home, prevents people or object from falling, and can be divided into metal well lid, high strength fiber cement concrete well lid, resin well lid etc. according to material, generally adopts circular, can be used in green belt, sidewalk, motor vehicle lane, wharf, alley etc., and is often used as the closure component of the top of the entrance of underground facilities, and the well lid needs to be installed in the place of public facilities such as water supply, telecommunications, electricity, gas, heat, fire fighting, environmental sanitation etc.
[0003] And the size of the drainage port of the existing well lid is fixed, and if the drainage port is small when encountering heavy rain, the flow rate during drainage is not enough, and it is difficult to drain quickly, and if the drainage port is large, pedestrians and articles are easy to fall into it, such as mobile phones and other small articles, and part of the well mouth has an odor, and the large drainage port is set, which can cause the odor to spread, affecting the surrounding environment, for this purpose, a drainage cast iron well lid is provided. SUMMARY
[0004] In view of the defects of the prior art, the utility model provides a drainage cast iron well lid, which solves the problems in the background art.
[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a drainage cast iron well lid, including water well frame, the inside of water well frame is provided with well lid, the inside of well lid is opened with annular groove, the inside of annular groove is connected with annular sliding block slidingly, the bottom of annular sliding block is fixedly installed with rotating plate, the top of rotating plate is opened with leverage slot, the bottom of rotating plate is fixedly installed with connecting plate, the outside of connecting plate is fixedly installed with a plurality of extension plates, the top of well lid is opened with through slot, the bottom of well lid is fixedly installed with two drainage cavities, the outside of drainage cavity is opened with a plurality of downcomers.
[0006] Preferably, one side of the drainage cavity is fixedly installed with a rotating plate, and the outer side of the rotating plate is rotatably connected with a water pressure plate.
[0007] Preferably, one side of the drainage cavity is opened with an extension slot.
[0008] Preferably, the top of the water pressure plate is fixedly installed with a first extension spring, and one end of the first extension spring is fixedly connected with the drainage cavity.
[0009] Preferably, the material of the well lid and the drainage cavity is nodular cast iron.
[0010] The utility model provides a kind of drainage cast iron well lid, with following beneficial effects:
[0011] The drainage cast iron well lid, by screwing leverage slot can drive rotary plate to rotate, by utilizing rotary plate rotation can drive extension plate to rotate, simultaneously drive annular slider to slide in annular groove, by utilizing extension plate rotation can shield through groove according to the condition of water flow, whereby the size of drain outlet can be adjusted, when heavy rain, water flow is larger, open, convenient for drainage, when idle, reverse screwing will close through groove, first, can prevent personal belongings from falling in when pedestrian walks, cause economic loss, second, can shield the odor in well, prevent odor from affecting surrounding environment, improve its practicality, when personal belongings unfortunately fall, with the help of drainage cavity, article can be blocked, prevent direct falling into shaft, and when draining, water flow will directly pressurize water pressure plate, complete drainage work. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the structure diagram of the utility model;
[0013] Fig. 2 It is the top view of extension plate of the utility model;
[0014] Fig. 3 It is the top view of well lid of the utility model.
[0015] In the drawing: 1, well frame;2, well lid;3, extension plate;4, through groove;5, extension groove;6, first extension spring;7, rotary plate;8, annular slider;9, leverage slot;10, connecting plate;11, rotary plate;12, annular groove;13, water pressure plate;14, drainage cavity;15, downcomer. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0017] Embodiment one:
[0018] Please refer to Figs. 1 to 3The utility model provides a technical scheme: a drainage cast iron well lid, including water well frame 1, the inside of water well frame 1 is provided with well lid 2, the material of well lid 2 with drainage cavity 14 is nodular cast iron, has good compression resistance, bending resistance, impact strength, can bear very big load and pressure, long -term use is not easy to damage or deformation, service life is very long, the inside of well lid 2 is provided with annular groove 12, the inside sliding connection of annular groove 12 has annular slide 8, the bottom of annular slide 8 is fixedly installed with rotary plate 11, the top of rotary plate 11 is provided with the force slot 9 of borrowing, the bottom of rotary plate 11 is fixedly installed with connecting plate 10, the outside of connecting plate 10 is fixedly installed with a plurality of extension plate 3, can drive rotary plate 11 to rotate by twisting the force slot 9 of borrowing, can drive extension plate 3 to rotate by utilizing rotary plate 11 rotation, the top of well lid 2 is provided with through slot 4, through extension plate 3 rotation drives annular slide 8 to slide in the inside of annular groove 12, can shield through slot 4 according to circumstances by utilizing extension plate 3 rotation, can prevent the article of pedestrian from falling in the idle condition, causes certain economic loss, and after shielding completion can prevent the emission of the smell in well, influence surrounding environment;
[0019] The bottom of well lid 2 is fixedly installed with two drainage cavities 14, a plurality of downcomers 15 are formed in the outside of drainage cavity 14, one side of one of the drainage cavities 14 is fixedly installed with a rotating plate 7, the rotating plate 7 is rotatably connected with a water pressure plate 13, an extension slot 5 is formed in one side of the drainage cavity 14, the water pressure plate 13 is fixedly installed with a first extension spring 6 at the top, one end of the first extension spring 6 is fixedly connected with the drainage cavity 14, when the article of the pedestrian falls, the article is blocked by the drainage cavity 14, so as to prevent the article from directly falling into the well, and when the article is a circular article, the water pressure plate 13 can also block the article, when the water flow is too large, the water flow will be transported to the top of the water pressure plate 13 through the inclined surface of the drainage cavity 14, the gravity will compress the angle of the water pressure plate 13 to be inclined, the water pressure plate 13 is opened, the water is discharged, and the drainage work is completed.
[0020] In summary, the drain cast iron manhole cover, when used, first needs to drain in rainy days, the staff manually uses the rotating plate 11 through the leverage slot 9 to rotate, the rotating plate 11 rotates to drive the extension plate 3 to rotate, drives the annular sliding block 8 to slide in the annular groove 12, and then makes the extension plate 3 and the through slot 4 position offset, can be opened according to the rainwater flow condition of the through slot 4, realizes drainage and flood drainage, and rainwater is directly discharged through the downspout 15, when the water flow is large, the downspout 15 cannot meet the discharge, and the water flow is conveyed to the top of the water pressure plate 13 through the extension slot 5 through the inclined surface of the drainage cavity 14, the gravity inclines the angle of the water pressure plate 13, opens the water pressure plate 13, and assists in completing the drainage work, after the drainage is completed, the worker rotates the rotating plate 11 through the leverage slot 9 to drive the extension plate 3 to close the through slot 4, can avoid the unpleasant smell of the sewer from overflowing in a large amount, and secondly can avoid the articles of personnel from falling into the sewer, and thirdly when the articles of the passerby fall in the open state of the through slot 4, the drainage cavity 14 can be used to block the articles, prevent the articles from directly falling into the shaft, and the articles are taken out directly through the through slot 4 by using a clamp and the like, and the drain cast iron manhole cover is especially suitable for some bustling street blocks with many pedestrians, can reduce article loss and the influence of the smell in the sewer.
[0021] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered in the protection scope of the present application.
Claims
1. A cast iron flood relief manhole cover comprising a well frame (1) characterised in that: The inside of the water derrick (1) is provided with a well lid (2), the inside of the well lid (2) is provided with an annular groove (12), the inside of the annular groove (12) is slidably connected with an annular sliding block (8), the bottom of the annular sliding block (8) is fixedly installed with a rotating plate (11), the top of the rotating plate (11) is provided with a leverage groove (9), the bottom of the rotating plate (11) is fixedly installed with a connecting plate (10), the outer side of the connecting plate (10) is fixedly installed with a plurality of extension plates (3), the top of the well lid (2) is provided with a through groove (4), the bottom of the well lid (2) is fixedly installed with two drainage cavities (14), the outer side of the drainage cavity (14) is provided with a plurality of downcomers (15).
2. A stormwater drainage cast iron cover as claimed in claim 1 wherein: One side of the drainage cavity (14) is fixedly installed with a rotating plate (7), the outer side of the rotating plate (7) is rotatably connected with a water pressure plate (13).
3. A storm drain cast iron cover according to claim 2, characterized in that: One side of the drainage cavity (14) is provided with an extension groove (5).
4. A storm drain cast iron cover according to claim 3, characterized in that: The top of the water pressure plate (13) is fixedly installed with a first telescopic spring (6), one end of the first telescopic spring (6) is fixedly connected with the drainage cavity (14).
5. A storm drain cast iron cover according to claim 4, characterized in that: The material of the well lid (2) and the drainage cavity (14) is nodular cast iron.