Drainage well lid

By designing grooves, drainage networks, water diversion tanks and observation ports on the manhole cover, the problem of poor drainage effect of existing manhole covers is solved, faster and more effective rainwater discharge and in-well observation are achieved, and the practicality and traffic safety of manhole covers are improved.

CN223017789UActive Publication Date: 2025-06-24NINGHAI COUNTRY SHUANGQIAO ARCHITECTURE ENG CO LTD
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Patent Information

Application Number
CN202422099609.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-06-24
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

The drainage effect of existing manhole covers is poor, especially in weather with a lot of rain, which leads to blockage of water on the road area, affects traffic and accelerates the loss of the road surface.

Method used

A drainage manhole cover is designed, adopting groove and drainage network structure, drainage and filtering through the water guide groove and partition net, adding water leakage ports and filter nets to enhance drainage effect, and quickly drainage and observation through the observation port and rotary shaft.

Benefits of technology

It effectively expands the drainage range of manhole covers, accelerates the discharge of rainwater, reduces the water area of ​​the road, improves the practicality and traffic safety of manhole covers, and extends the service life of the road surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drainage well lid, and relates to the technical field of building energy conservation, the drainage well lid comprises a well lid body and a groove formed in the inner wall of the well lid body, the inner wall of the groove is fixedly connected with a drainage net, the inner wall of the drainage net is fixedly connected with a well lid inner ring, the top of the well lid inner ring is provided with an observation port, and the inner wall of the observation port is fixedly provided with a rotating shaft; the outer wall of the rotating shaft is rotationally connected with an inner well lid, a movable groove is formed in the outer wall of the well lid inner ring, and the inner wall of the movable groove is slidably connected with a movable plate. Through the drainage net, the gutter, the water leakage opening, the first drainage opening and the second drainage opening, the drainage range of the device is expanded conveniently, the drainage speed is increased, the drainage effect is enhanced, secondary drainage is conducted through the first drainage opening and the second drainage opening, the structural layer of the device is enhanced, and the separation net, the leakage net, the drainage plate and the filter net prevent impurities from entering conveniently; and blockage is prevented as much as possible, accumulated water can be conveniently and quickly discharged, so that the influence on traffic and the loss of a road surface are reduced, and the practicability of the device is enhanced.
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Description

Technical Field

[0001] This application relates to the field of building energy conservation technologies, and in particular, to a drainage manhole cover. Background Art

[0002] A manhole cover is used to cover a road or a deep well at home to prevent people or objects from falling. It can be classified into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. according to the material. Generally, it is circular. It can be used in green belts, sidewalks, motor vehicle lanes, docks, alleys, etc. Generally, it is divided into circular and square shapes according to the shape. In the road administration in urban areas, a circular shape is generally adopted because a circular manhole cover is not easily tilted and can better protect the safety of pedestrians and vehicles. In rural areas and for cable wells, a square shape is generally adopted, so that it can better prevent the entry of liquids such as rainwater.

[0003] In the process of implementing this application, the inventor found that there are at least the following problems in this technology. In garden roads, the manhole cover body is needed for drainage. The drainage effect of existing general manhole covers is poor, which is not conducive to rapid drainage in rainy weather, easily leads to waterlogging on the road surface and affects traffic, and even easily accelerates the wear of the road surface, which is not conducive to enhancing the practicability of the manhole cover. Utility Model Content

[0004] In order to improve the problem of poor drainage effect mentioned above, this application provides a drainage manhole cover.

[0005] This application provides a drainage manhole cover, adopting the following technical solutions:

[0006] A drainage manhole cover includes a manhole cover body and a groove opened on the inner wall of the manhole cover body. A drainage net is fixedly connected to the inner wall of the groove, a manhole cover inner ring is fixedly connected to the inner wall of the drainage net, and an observation port is opened at the top of the manhole cover inner ring;

[0007] A rotating shaft is fixedly installed on the inner wall of the observation port, an inner manhole cover is rotatably connected to the outer wall of the rotating shaft, a movable groove is opened on the outer wall of the manhole cover inner ring, a movable plate is slidably connected to the inner wall of the movable groove, and a bottom plate is fixedly connected to the bottom of the drainage net inner wall at the position of the manhole cover inner ring.

[0008] Based on the above technical solutions, the groove facilitates expanding the drainage range of the manhole cover body and accelerating the discharge of rainwater. The inner manhole cover can be flipped and opened through the rotating shaft, and rainwater can be quickly discharged through the observation port, improving the flexibility of the device. At the same time, it is convenient for the staff to quickly open and observe the situation in the well, and it is convenient and flexible to use.

[0009] Optionally, a water diversion groove is opened on the outer wall of the manhole cover body, and a partition net is fixedly installed on the inner wall of the water diversion groove.

[0010] Based on the above technical solution, the water guiding groove facilitates the diversion of the well cover body, facilitates the diversion of accumulated water, helps the device drain quickly, and at the same time, the separation net facilitates blocking debris from entering the interior.

[0011] Optionally, the inner ring of the well cover is a concentric circle structure, a water leakage opening is provided on the outer wall of the inner ring of the well cover, and a leakage net is fixedly installed on the inner wall of the water leakage opening.

[0012] Based on the above technical solution, it is convenient to enhance the drainage effect of the well cover and play a role in quickly draining water.

[0013] Optionally, through holes are provided on the outer wall of the inner well cover, one end of the through holes is inclined upward, and the shape and size of the inner well cover match the shape and size of the observation port.

[0014] Based on the above technical solution, it is convenient to easily lift the inner well cover by using a rod or the like through the through holes, facilitating the opening of the inner well cover. The situation inside the well can be quickly observed through the observation port without opening the entire well cover, which is convenient for quick viewing.

[0015] Optionally, the movable plate is an annular structure, a first drainage opening is provided on the outer wall of the movable plate, and a drainage plate is fixedly installed on the inner wall of the first drainage opening. The drainage plate is a fan-shaped structure.

[0016] Based on the above technical solution, it is convenient to drain the accumulated water on the well cover through the first drainage opening and the drainage plate, facilitating the acceleration of drainage and reducing the accumulation of stagnant water.

[0017] Optionally, a sliding groove is provided on the inner wall of the movable groove, a connecting rod is fixedly connected to the side wall of the movable plate, one end of the connecting rod is fixedly connected to a slider, and the shape and size of the slider match the shape and size of the sliding groove.

[0018] Based on the above technical solution, by sliding the slider in the sliding groove, it is convenient to rotate and adjust the movable plate for use, thereby adjusting the shielding position of the movable plate at the bottom, thus facilitating the adjustment of the drainage range size, which is beneficial to expanding the applicable range of the device and improving the flexibility of the device.

[0019] Optionally, a through groove is provided on the outer wall of the bottom plate, the diameter of the through groove is the same as the diameter of the observation port, a support block is fixedly connected to the inner wall of the through groove, the support block is an arc-shaped structure, the inner diameter of the support block is smaller than the diameter of the inner well cover, and the top of the support block is in close contact with the top of the inner well cover.

[0020] Based on the above technical solution, the support block facilitates the support and fixation of the inner well cover and facilitates the closing use of the inner well cover.

[0021] Optionally, a second drain opening is formed in the outer wall of the bottom plate, and a filter screen is fixedly installed on the inner wall of the second drain opening. The filter screen is of a fan-shaped structure.

[0022] Based on the above technical solution, the second drain opening provided facilitates expanding the drainage range of the device, enhancing the structural hierarchy of the device, and facilitating secondary drainage use. The filter screen facilitates blocking impurities from entering and prevents blockage as much as possible.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. The drainage net, water guide groove, water leakage opening, first drain opening, and second drain opening in the present application facilitate expanding the drainage range of the device, accelerating drainage, enhancing the drainage effect of the device. The first drain opening and the second drain opening facilitate secondary drainage, enhancing the structural hierarchy of the device. The partition net, leakage net, drainage plate, and filter screen facilitate blocking impurities from entering, preventing blockage as much as possible, facilitating the rapid drainage of accumulated water, thereby reducing the impact on passage and the damage to the road surface, and enhancing the practicability of the device.

[0025] 2. The mutual cooperation of the observation opening, rotating shaft, inner manhole cover, and support block provided in the present application facilitates rotating and opening the inner manhole cover, enabling the staff to quickly observe the situation inside the well through the observation opening without opening the entire manhole cover, bringing convenience to the staff, facilitating quick viewing and use, and increasing the drainage range through the observation opening for emergency drainage use.

[0026] 3. The mutual cooperation of the movable plate, drainage plate, sliding groove, slider, bottom plate, second drain opening, and filter screen provided in the present application facilitates rotating and adjusting the shielding range of the movable plate and the drainage plate for the second drain opening, thereby facilitating adjusting the size of the drainage range, conveniently adjusting according to actual use requirements, and enhancing the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the top view structural schematic diagram of the whole of the present application;

[0028] Figure 2 is the front sectional structural schematic diagram of the whole of the present application;

[0029] Figure 3 is the top view structural schematic diagram of the bottom plate of the present application.

[0030] Description of the reference numerals:

[0031] 1. Manhole cover body; 101. Water diversion groove; 102. Separation net; 2. Groove; 3. Drainage net; 4. Inner ring of manhole cover; 401. Water leakage port; 402. Leakage net; 5. Observation port; 6. Rotating shaft; 7. Inner manhole cover; 8. Through hole; 9. Movable groove; 10. Movable plate; 1001. First drainage port; 1002. Drainage plate; 11. Slide groove; 12. Connecting rod; 13. Slide block; 14. Bottom plate; 15. Through slot; 16. Support block; 17. Second drainage port; 18. Filter screen. Specific implementation mode

[0032] The following will Figures 1-3 further elaborate on this application in detail.

[0033] Please refer to the attached drawings of the specification Figure 1 and 2 . A drainage manhole cover provided by this application includes a manhole cover body 1 and a groove 2 opened on the inner wall of the manhole cover body 1. The outer wall of the manhole cover body 1 is provided with water diversion grooves 101. There are eight groups of water diversion grooves 101 arranged at equal intervals. The inner wall of the water diversion groove 101 is fixedly installed with a separation net 102. The water diversion grooves 101 facilitate the diversion of the manhole cover body 1, facilitate the diversion of accumulated water, help the device drain quickly, and at the same time, the separation net 102 facilitates blocking sundries from entering the interior. Both ends of the water diversion groove 101 are respectively connected to the manhole cover body 1 and the groove 2. The inner wall of the groove 2 is fixedly connected with a drainage net 3, which facilitates accelerating drainage and at the same time plays a role in blocking impurities.

[0034] Please refer to the attached drawings of the specification Figure 1 . The inner wall of the drainage net 3 is fixedly connected with an inner ring 4 of the manhole cover. The inner ring 4 of the manhole cover is a concentric circle structure. The outer wall of the inner ring 4 of the manhole cover is provided with water leakage ports 401. There are eight groups of water leakage ports 401 arranged at equal intervals, and the positions of the eight groups of water leakage ports 401 correspond to the positions of the eight groups of water diversion grooves 101 one by one. The inner wall of the water leakage port 401 is fixedly installed with a leakage net 402, which facilitates enhancing the drainage effect of the manhole cover and plays a role in quickly draining water.

[0035] Please refer to the attached drawings of the specification Figure 1 and 2 . The top center position of the inner ring 4 of the manhole cover is provided with an observation port 5. The inner wall of the observation port 5 is fixedly installed with a rotating shaft 6. The outer wall of the rotating shaft 6 is rotatably connected with an inner manhole cover 7. The outer wall of the inner manhole cover 7 is provided with a through hole 8. One end of the through hole 8 is inclined upward. The shape and size of the inner manhole cover 7 and the shape and size of the observation port 5 match each other. Through the through hole 8, it is convenient to use a rod or the like to easily lift the inner manhole cover 7, facilitating the opening of the inner manhole cover 7. Through the observation port 5, the situation inside the well can be quickly observed without opening the entire manhole cover, facilitating quick viewing.

[0036] The groove 2 facilitates the expansion of the drainage range of the manhole cover body 1 and accelerates the discharge of rainwater. The inner manhole cover 7 can be flipped open through the rotating shaft 6, and the rainwater can be quickly discharged through the observation port 5, improving the flexibility of the device. At the same time, it is convenient for the staff to quickly open and observe the situation inside the inspection well, making it convenient and flexible to use.

[0037] Please refer to the attached drawings of the specification Figure 1 and 2 , on the outer wall of the inner ring 4 of the manhole cover, an activity groove 9 is opened. The inner wall of the activity groove 9 is slidably connected with an activity plate 10. The activity plate 10 is of an annular structure. On the outer wall of the activity plate 10, a first drainage port 1001 is opened. The inner wall of the first drainage port 1001 is fixedly installed with a drainage plate 1002. The drainage plate 1002 is of a fan-shaped structure. Through the first drainage port 1001 and the drainage plate 1002, it is convenient to drain the accumulated water on the manhole cover, facilitating the acceleration of drainage and reducing the accumulation of water.

[0038] Among them, a sliding groove 11 is opened on the inner wall of the activity groove 9. One side wall of the activity plate 10 is fixedly connected with a connecting rod 12. One end of the connecting rod 12 is fixedly connected with a sliding block 13. The shape and size of the sliding block 13 match those of the sliding groove 11. Through the sliding of the sliding block 13 in the sliding groove 11, it is convenient to rotate and adjust the activity plate 10, thereby adjusting the shielding position of the activity plate 10 at the bottom, facilitating the adjustment of the drainage range, conducive to expanding the application range of the device, and improving the flexibility of the device.

[0039] Please refer to the attached drawings of the specification Figure 2 and 3 , on the inner wall of the drainage net 3 at the bottom of the inner ring 4 of the manhole cover, a bottom plate 14 is fixedly connected. A through groove 15 is opened on the outer wall of the bottom plate 14. The diameter of the through groove 15 is the same as that of the observation port 5. The inner wall of the through groove 15 is fixedly connected with a support block 16. The support block 16 is of a circular arc structure. The inner diameter of the support block 16 is smaller than the diameter of the inner manhole cover 7. The top of the support block 16 is in close contact with the top of the inner manhole cover 7. Through the support block 16, it is convenient to support and fix the inner manhole cover 7, facilitating the closing use of the inner manhole cover 7.

[0040] Please refer to the attached drawings of the specification Figure 3 , a second drainage port 17 is opened on the outer wall of the bottom plate 14. The inner wall of the second drainage port 17 is fixedly installed with a filter screen 18. The filter screen 18 is of a fan-shaped structure. By setting the second drainage port 17, it is convenient to expand the drainage range of the device, enhance the structural level of the device, and facilitate secondary drainage use. Through the filter screen 18, it is convenient to block impurities from entering and prevent blockage as much as possible.

[0041] Working principle:

[0042] During use, the staff can insert tools such as rods into the through hole 8, so as to pry the inner manhole cover 7 to rotate and open through the rotating shaft 6, which is convenient for the staff to quickly observe the situation inside the well through the observation port 5 without opening the entire manhole cover, facilitating quick viewing. After viewing, rotate the inner manhole cover 7 to close it, and the support block 16 is convenient for supporting and fixing the inner manhole cover 7, facilitating the closed use of the inner manhole cover 7.

[0043] The accumulated water is drained through the water diversion trough 101 and the partition net 102, and the excess accumulated water is drained simultaneously through the groove 2 and the drainage net 3, which is convenient for expanding the drainage range and accelerating the rapid drainage of the accumulated water. At the same time, the water leakage port 401 and the leakage net 402 conduct secondary drainage, which is convenient for accelerating the circulation of the accumulated water outside the device. When necessary, the inner manhole cover 7 can be turned over and opened, and emergency drainage treatment can be carried out through the observation port 5, which is beneficial to quickly solve problems such as accumulated water blockage.

[0044] The first drain port 1001 and the drain plate 1002 facilitate the infiltration of rainwater to the top of the bottom plate 14, and secondary drainage treatment is carried out through the second drain port 17 and the filter screen 18, and it also plays a filtering role, reducing the entry of impurities into the device interior and causing blockage, thereby affecting the drainage efficiency. At the same time, the movable plate 10 can be used for angle adjustment by sliding the slider 13 in the chute 11, so as to facilitate the adjustment of the shielding positions of the movable plate 10 and the drain plate 1002 on the bottom plate 14 and the filter screen 18, facilitating the adjustment of the size of the drainage range, which is beneficial to expanding the application range of the device and improving the flexibility of the device.

[0045] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A drainage manhole cover, characterized in that: It comprises a manhole cover body (1) and a groove (2) formed on the inner wall of the manhole cover body (1), the inner wall of the groove (2) being fixedly connected to a drainage net (3), the inner wall of the drainage net (3) being fixedly connected to a manhole cover inner ring (4), and an observation port (5) being formed on the top of the manhole cover inner ring (4); A rotating shaft (6) is fixedly mounted on the inner wall of the observation port (5); an inner manhole cover (7) is rotatably connected to the outer wall of the rotating shaft (6); a movable groove (9) is provided on the outer wall of the inner ring (4) of the manhole cover; a movable plate (10) is slidably connected to the inner wall of the movable groove (9); and a bottom plate (14) is fixedly connected to the inner wall of the drainage net (3) located at the bottom of the inner ring (4) of the manhole cover.

2. A drainage manhole cover according to claim 1, characterized in that: The outer wall of the manhole cover body (1) is provided with a water diversion groove (101), and the inner wall of the water diversion groove (101) is fixedly provided with a partition net (102).

3. A drainage manhole cover according to claim 1, characterized in that: The inner circle (4) of the manhole cover is a concentric circle structure, the outer wall of the inner circle (4) of the manhole cover is provided with a water leakage opening (401), and a leakage net (402) is fixedly installed on the inner wall of the water leakage opening (401).

4. A drainage manhole cover according to claim 1, characterized in that: A through hole (8) is provided on the outer wall of the inner manhole cover (7), one end of the through hole (8) is arranged to be inclined upward, and the shape and size of the inner manhole cover (7) match those of the observation port (5).

5. A drainage manhole cover according to claim 1, characterized in that: The movable plate (10) is an annular structure, the outer wall of the movable plate (10) is provided with a first drainage opening (1001), the inner wall of the first drainage opening (1001) is fixedly provided with a drainage plate (1002), and the drainage plate (1002) is a fan-shaped structure.

6. A drainage manhole cover according to claim 1, characterized in that: The inner wall of the movable groove (9) is provided with a slide groove (11), the side wall of the movable plate (10) is fixedly connected with a connecting rod (12), one end of the connecting rod (12) is fixedly connected with a sliding block (13), and the shape and size of the sliding block (13) match the shape and size of the slide groove (11).

7. A drainage manhole cover according to claim 1, characterized in that: The outer wall of the bottom plate (14) is provided with a through groove (15), the diameter of the through groove (15) being the same as the diameter of the observation port (5), the inner wall of the through groove (15) being fixedly connected with a support block (16), the support block (16) being an arc-shaped structure, the inner diameter of the support block (16) being smaller than the diameter of the inner manhole cover (7), and the top of the support block (16) being in close contact with the top of the inner manhole cover (7).

8. The drainage manhole cover according to claim 1, characterized in that: The outer wall of the bottom plate (14) is provided with a second drainage opening (17), and a filter screen (18) is fixedly mounted on the inner wall of the second drainage opening (17), wherein the filter screen (18) is a fan-shaped structure.