Well lid with flood discharge and drainage structure

By designing manhole covers with flood discharge and drainage structures, and utilizing the combination of floating platforms and movable baffles, the opening size can be automatically adjusted to increase rainwater flow, thus solving the problem of water accumulation in manhole covers during heavy rain and alerting pedestrians and vehicles to avoid the area during heavy rain, achieving a safe and efficient drainage effect.

CN223853498UActive Publication Date: 2026-01-30武汉宜柠电子商务有限责任公司
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Patent Information

Application Number
CN202520416148.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing manhole covers are prone to water accumulation during heavy rain, leading to road flooding, and manually lifting the manhole covers poses a safety hazard.

Method used

A manhole cover with a flood discharge and drainage structure has been designed, including a cover plate, a bottom shell, an opening, a fixed shaft, a vertical rod, and a trigger-lifting assembly. Through the cooperation of a floating platform and a movable baffle, the size of the opening is automatically adjusted to increase the rainwater flow and to alert pedestrians and vehicles to avoid the area during heavy rain.

Benefits of technology

During heavy rain, it automatically increases drainage flow to reduce road water accumulation, lower safety hazards, and alerts pedestrians and vehicles to avoid the area by rotating movable barriers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of well lids, and discloses a well lid with a flood discharge and drainage structure, which comprises a cover plate, and the bottom shell is fixedly connected to the tail part of the cover plate and enables the rainwater passing through the cover plate to flow into the bottom shell. According to the well lid with the flood discharge and drainage structure, rainwater flowing out of the water outlet hole cannot be drained out of the bottom shell in time by triggering the lifting assembly when heavy rain and rainstorm occur, the rainwater is stored in the bottom shell, the stored rainwater has buoyancy on the floating platform and can lift the floating platform, and the floating platform and the movable baffle are connected through the connecting rod, so that the flood discharge and drainage structure is formed. When the floating platform moves upwards, the movable baffle is opened, the opening hole is exposed, rainwater can gradually flow into the bottom shell, water flow can be increased and water drainage and flood discharge are achieved when the rainwater overflows the water drainage hole, meanwhile, the movable baffle rotates upwards around the fixed shaft when being opened and can rotate to be in an inclined state or an approximately vertical state, and the movable baffle is not prone to falling off. Therefore, passing pedestrians and vehicles can be prompted, so that the passing pedestrians and vehicles can avoid in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of well lid, concretely is a well lid with flood discharge drainage structure. BACKGROUND

[0002] There are many underground pipelines in city construction, such as sewer, underground gas pipeline, water supply pipeline, power pipeline, communication pipeline, national defense pipeline and the like, and these pipelines have an outlet to the ground every interval, and this section from the pipeline to the ground is called a inspection well, and the inspection well mouth is usually flush with the ground, so a cover is needed to cover the inspection well cover, which is called an inspection well cover, and the inspection well cover is usually made of reinforced concrete, metal, reinforced plastic and the like, and the shape is mainly circular.

[0003] The existing well cover is provided with some water inlet holes for filtering and draining rainwater, and due to the limited inner diameter of the water inlet holes, a lot of water is deposited on the well cover when it rains heavily, which causes water accumulation on the road and affects passing, and generally, the sewer cover is manually lifted to expand the drainage opening to increase the discharge flow, but this method is easy to cause pedestrians or vehicles to fall into the sewer, and there is a great safety hazard, and therefore a well cover with a flood discharge drainage structure is proposed. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a well cover with a flood discharge drainage structure, which has the advantages of facilitating drainage according to rainfall and prompting pedestrians or vehicles when the rainfall is heavy.

[0005] To achieve the above-mentioned purpose of facilitating drainage according to rainfall and prompting pedestrians or vehicles when the rainfall is heavy, the utility model provides the following technical scheme: a well cover with a flood discharge drainage structure, comprising

[0006] a cover plate;

[0007] a bottom shell fixedly connected to the tail of the cover plate and allowing rainwater passing through the cover plate to flow into the bottom shell;

[0008] an opening hole provided on the cover plate for increasing the flow of rainwater into the bottom shell;

[0009] a fixed shaft fixedly connected to the inner side wall of the opening hole;

[0010] a vertical rod fixedly connected between the opposite side of the inner bottom wall of the cover plate and the bottom shell;

[0011] a trigger lifting assembly arranged on the cover plate, the bottom shell, the fixed shaft and the vertical rod for flood discharge drainage when the rainfall increases.

[0012] Further, the trigger opening assembly comprises a floating platform, a movable baffle, a connecting rod, a water inlet hole, a water outlet hole and a drainage hole, the floating platform is slidably connected to the outer surface of the vertical rod, the movable baffle is rotatably connected to the outer surface of the fixed shaft, the connecting rod is hingedly connected between the opposite sides of the floating platform and the movable baffle, the water inlet hole is formed in the cover plate, the water outlet hole is formed in the bottom wall of the bottom shell, and the drainage hole is formed in the side wall of the bottom shell.

[0013] Further, the opening and the movable baffle are both in the shape of a sector, the vertical rod is in the shape of a quadrangular prism, the vertical rod is vertically arranged, and the floating platform is located in the interior of the bottom shell.

[0014] Further, the water inlet hole is located on the outer side of the opening, the water outlet hole is located on the outer side of the floating platform, and the water inlet hole, the water outlet hole and the drainage hole are all in communication with the inner cavity of the bottom shell.

[0015] Further, the bottom of the cover plate is fixedly provided with a mesh tube corresponding to the opening, the mesh tube is located on the outer side of the connecting rod, and the cover plate is provided with a mounting hole on the outer side of the bottom shell.

[0016] Compared with the prior art, the well lid with the flood discharge and drainage structure has the following beneficial effects:

[0017] The well lid with the flood discharge and drainage structure is provided with the trigger opening assembly, when heavy rain or storm occurs, the rainwater flowing out of the water outlet hole cannot be discharged from the bottom shell in time, so that the accumulated rainwater has a buoyancy on the floating platform and lifts the floating platform, under the connection of the connecting rod between the floating platform and the movable baffle, the upward movement of the floating platform opens the movable baffle, so that the opening is exposed, the rainwater can gradually flow into the bottom shell, along with the rainwater overflowing the drainage hole, the water flow can be expanded to realize the discharge and flood discharge, at the same time, the movable baffle is opened by rotating around the fixed shaft upward, and can be rotated into an inclined state or a state close to vertical, so as to prompt the passing pedestrians and vehicles, and facilitate the timely avoidance of the passing pedestrians and vehicles. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front perspective view of the closed state of the movable baffle of the structure of the utility model;

[0019] Figure 2 It is a front perspective view of the closed state of the movable baffle of the structure of the utility model;

[0020] Figure 3 It is a front perspective view of the open state of the movable baffle of the structure of the utility model;

[0021] Figure 4 It is a front perspective view of the open state of the movable baffle of the structure of the utility model;

[0022] Figure 5 is a lower three-dimensional schematic view of the open state of the structure movable baffle of the utility model.

[0023] In the drawing: 1 cover plate, 2 bottom shell, 3 opening, 4 fixed shaft, 5 vertical rod, 6 trigger lifting assembly, 61 floating platform, 62 movable baffle, 63 connecting rod, 64 water inlet hole, 65 water outlet hole, 66 drainage hole, 7 mesh tube, 8 mounting hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-2 A well lid with a flood discharge structure, including cover plate 1, bottom shell 2, bottom shell 2 is fixedly connected to the tail of cover plate 1 and lets the rainwater passing through cover plate 1 flow into bottom shell 2, opening 3, opening 3 is set up on cover plate 1, for increasing the flow of rainwater into bottom shell 2, fixed shaft 4, fixed shaft 4 is fixedly connected to the inner side wall of opening 3, vertical rod 5, vertical rod 5 is fixedly connected between the opposite side between the inner bottom wall of cover plate 1 and bottom shell 2, the shape of vertical rod 5 is quadrangular prism, vertical rod 5 is vertically arranged.

[0026] In addition, the bottom of cover plate 1 is fixedly installed with mesh tube 7 corresponding to opening 3, for filtering rainwater, movable baffle 62 can be placed on mesh tube 7, supporting movable baffle 62, limiting movable baffle 62 to continue to rotate downward, mounting hole 8 is set up on cover plate 1 and located on the outside of bottom shell 2, for installing cover plate 1.

[0027] Please refer to Figures 1-5 Trigger lifting assembly 6, trigger lifting assembly 6 is arranged on cover plate 1, bottom shell 2, fixed shaft 4 and vertical rod 5, for flood discharge when the rainfall increases, trigger lifting assembly 6 includes floating platform 61, movable baffle 62, connecting rod 63, water inlet hole 64, water outlet hole 65 and drainage hole 66, floating platform 61 is slidably connected to the outer surface of vertical rod 5, floating platform 61 can move up and down along the outer surface of vertical rod 5, the rainwater deposited in bottom shell 2 can lift floating platform 61, floating platform 61 is located in the inside of bottom shell 2, when floating platform 61 moves to the lowest position, there is a distance between floating platform 61 and the inner bottom wall of bottom shell 2, so that the water in bottom shell 2 does not immediately lift floating platform 61.

[0028] And, the movable baffle 62 is rotationally connected to the outer surface of the fixed shaft 4 and can rotate on the outer surface of the fixed shaft 4, when the baffle 62 rotates to be close to the vertical state, the baffle 62 can prompt the pedestrians and vehicles to avoid, the shapes of the opening 3 and the movable baffle 62 are both fan-shaped, the connecting rod 63 is hingedly connected between the floating platform 61 and the opposite side of the movable baffle 62, when the rainwater in the bottom shell 2 increases, the floating platform 61 can be lifted, under the connection of the connecting rod 63 and the floating platform 61 and the movable baffle 62, the movable baffle 62 is gradually pushed to open the opening 3, so that the rainwater on the cover plate 1 quickly enters the bottom shell 2 to discharge floodwater.

[0029] Meanwhile, the floating platform 61 and the movable baffle 62 are connected with the connecting rod 63 by the hinge seat, the mesh tube 7 is located outside the connecting rod 63 and the hinge seat, so that the connecting rod 63 and the hinge seat can smoothly pass through the mesh tube 7 and will not hinder the connecting rod 63 and the hinge seat, the water inlet hole 64 is opened on the cover plate 1 and is used for discharging the rainwater on the cover plate 1, the water inlet hole 64 is located outside the opening 3, the water outlet hole 65 is opened on the bottom wall of the bottom shell 2, the number of the water outlet hole 65 is less than the number of the water inlet hole 64, so that the water in the bottom shell 2 can be accumulated to gradually lift the floating platform 61 to perform the large-flow drainage work, the water outlet hole 65 is located outside the floating platform 61, the drainage hole 66 is opened on the side wall of the bottom shell 2 and is used for large-flow flood discharge, the water inlet hole 64, the water outlet hole 65 and the drainage hole 66 are all communicated with the inner cavity of the bottom shell 2.

[0030] In use, when it rains, the rainwater flows into the bottom shell 2 through the water inlet hole 64 and is discharged to the sewer through the water outlet hole 65 of the bottom shell 2, when it rains heavily, the water outlet hole 65 cannot timely discharge the rainwater in the bottom shell 2 and the accumulated rainwater lifts the floating platform 61, under the connection of the connecting rod 63 and the floating platform 61 and the movable baffle 62, the movable baffle 62 rotates around the axis of the fixed shaft 4 to gradually open the nearly closed opening 3, a large amount of rainwater flows into the bottom shell 2 through the opening 3 and the mesh tube 7 and is discharged to the sewer through the drainage hole 66, at the same time, when the movable baffle 62 rotates to be in the inclined state, the movable baffle 62 can also prompt the passing pedestrians and vehicles to avoid in time.

[0031] The above embodiment has the following beneficial effects:

[0032] The well lid with the flood drainage structure, through setting the trigger opening assembly 6, when encountering heavy rain, the rainwater flowing out of the water outlet hole 65 cannot be discharged from the bottom shell 2 in time, so that the accumulated rainwater in the bottom shell 2 has the buoyancy on the floating platform 61, and the floating platform 61 is lifted, under the connection of the connecting rod 63 to the floating platform 61 and the movable baffle 62, the upward movement of the floating platform 61 opens the movable baffle 62, so that the opening 3 is exposed, and the rainwater can flow into the bottom shell 2, and with the rainwater overflowing the drain hole 66, the water flow can be expanded, and the flood drainage is realized, and at the same time, the movable baffle 62 is opened and rotates upward around the fixed shaft 4, and can be rotated to an inclined state or a vertical state, and gives a prompt to the passing pedestrians and vehicles, and is beneficial to the timely avoidance of the passing pedestrians and vehicles.

[0033] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A well lid having a flood drainage structure, characterized by: The utility model relates to a rainwater drainage device, including Cover plate (1); Bottom shell (2), bottom shell (2) is fixedly connected in the tail of cover plate (1) and lets rainwater flow into bottom shell (2) through cover plate (1); Opening (3), opening (3) is set up on cover plate (1), is used to increase the flow of rainwater into bottom shell (2); Fixed shaft (4), fixed shaft (4) is fixedly connected in the inner side wall of opening (3); Vertical rod (5), vertical rod (5) is fixedly connected between the inner bottom wall opposite side of cover plate (1) and bottom shell (2); Trigger open assembly (6), trigger open assembly (6) is set up on cover plate (1), bottom shell (2), fixed shaft (4) and vertical rod (5), is used for flood discharge when the rainfall increases.

2. A well lid with a flood drainage structure according to claim 1, characterized in that: The trigger open assembly (6) includes floating platform (61), movable baffle (62), connecting rod (63), water inlet hole (64), water outlet hole (65) and drainage hole (66), floating platform (61) is slidably connected on the outer surface of vertical rod (5), movable baffle (62) is rotatably connected on the outer surface of fixed shaft (4), connecting rod (63) is hinged between the opposite side of movable baffle (62) and floating platform (61), water inlet hole (64) is set up on cover plate (1), water outlet hole (65) is set up on the bottom wall of bottom shell (2), and drainage hole (66) is set up on the side wall of bottom shell (2).

3. A well lid with a flood drainage structure according to claim 2, characterized in that: The shape of opening (3) and movable baffle (62) is sector, the shape of vertical rod (5) is quadrangular prism, the vertical rod (5) is vertically arranged, and the floating platform (61) is located in the inside of bottom shell (2).

4. The well lid with a flood drainage structure according to claim 2, characterized in that: Water inlet hole (64) is located on the outside of opening (3), water outlet hole (65) is located on the outside of floating platform (61), and water inlet hole (64), water outlet hole (65) and drainage hole (66) are communicated with the inner cavity of bottom shell (2).

5. The well lid with a flood drainage structure according to claim 2, characterized in that: The bottom of cover plate (1) is fixedly provided with mesh tube (7) corresponding to opening (3), the mesh tube (7) is located on the outside of connecting rod (63), and mounting hole (8) is formed in cover plate (1) and located on the outside of bottom shell (2).