Municipal road drainage structure
By designing a fixed structure of limit grooves and fixing sheets on the manhole cover of the municipal road drainage structure, the problem of manhole cover falling off due to water surge is solved, and the stability and safety of the manhole cover are improved.
Patent Information
- Application Number
- CN202421594329.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The manhole covers of municipal road drainage structures lack a fixed structure, which causes the manhole cover to fall off due to water surges when rainwater is too heavy, threatening life and safety.
A municipal road drainage structure was designed, including drainage wells, connections and manhole covers. The connecting piece is pre-buried at the wellhead of the drain well, and a connecting column is installed with a rotating internally, and a fixing piece is fixed on the outer surface of the connecting column. The manhole cover is installed at the wellhead of the drain well, and a limit groove is opened on the outer circumference surface. The fixing sheet is turned into the limit groove to fix the manhole cover by rotating the connecting column.
By fixing the manhole cover, the risk of manhole cover falling off due to drainage well backflow is avoided, the stability of the manhole cover is ensured, and safety is improved.
Smart Images

Figure CN222949170U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of municipal engineering, in particular to a municipal road drainage structure. Background Art
[0002] In the process of urbanization, municipal roads are an important part. With the acceleration of urban development, the coverage of municipal roads is getting larger and larger. Drainage wells are often installed on the road surface to quickly drain rainwater. After rain, the rainwater will flow towards the sewer inlet with lower terrain.
[0003] When it rains too heavily, the drainage well may not be able to drain enough water, causing the water inside the well to surge up and backflow. However, most of the manhole covers in municipal road drainage structures are simply placed and lack a fixed structure. The upwelling water may cause the manhole covers to fall off, and may even threaten people's lives. Utility Model Content
[0004] The utility model aims to provide a municipal road drainage structure, aiming to solve the problem that the manhole cover of the municipal road drainage structure in the general technology lacks a fixed structure.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the municipal road drainage structure comprises: a drainage well, a connecting piece and a well cover; the connecting piece is pre-buried at the wellhead of the drainage well, a connecting column is rotatably installed inside the connecting piece, and a fixing plate is fixedly installed on the outer surface of the connecting column; the well cover is installed at the wellhead of the drainage well and is located inside the connecting piece, and a limiting groove for installing the fixing plate is opened on the outer circumferential surface of the well cover, and the fixing plate is allowed to enter the inside of the limiting groove by rotating the connecting column to install and fix the well cover.
[0006] The beneficial effect is: by arranging a connecting piece at the wellhead of the drainage well, arranging a rotatably installed connecting column inside the connecting piece to install the fixing plate, and opening a plurality of limiting grooves for installing the fixing plate on the outer circumferential surface of the manhole cover, it is convenient for the user to rotate the connecting column so that the fixing plate enters the limiting groove to install and fix the manhole cover, thereby preventing the manhole cover from falling off due to backflow of the drainage well.
[0007] A further technical solution of the utility model is that a plurality of positioning holes for positioning the manhole cover are opened at the wellhead of the drainage well.
[0008] A further technical solution of the utility model is that a plurality of positioning posts are fixedly installed on the top of the manhole cover, and the positioning posts are inserted into the interior of the positioning holes.
[0009] A further technical solution of the utility model is that a slot is provided on the outer surface of the positioning column, and a positioning block for installing the filter screen is installed inside the slot.
[0010] The beneficial effect is that a filter net is arranged at the bottom of the manhole cover, which can filter and collect garbage in sewage to facilitate cleaning by users.
[0011] A further technical solution of the utility model is that a pre-buried ring for fixing the connecting piece is fixedly installed on the bottom of the outer surface of the connecting piece.
[0012] A further technical solution of the utility model is that a plurality of rotation grooves are provided on the inner wall of the connecting piece.
[0013] A further technical solution of the utility model is that a plurality of first mounting holes are opened on the bottom wall of one end of the rotating groove, a plurality of second mounting holes corresponding to the positions of the first mounting holes are opened on the upper surface of the connecting piece, and connecting columns are rotatably installed inside the first mounting holes and the second mounting holes.
[0014] A further technical solution of the utility model is that a groove for rotating the connecting column is provided on the top of the connecting column.
[0015] The beneficial effect is that the user can rotate the connecting column through the groove to rotate the fixing plate into the interior of the manhole cover to fix the manhole cover.
[0016] A further technical solution of the present invention is that a limiting ring for limiting the connection column is fixedly mounted on the outer surface of the connection column. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is an exploded view of the utility model.
[0018] Figure 2 It is a structural schematic diagram of the utility model.
[0019] Figure 3 It is a structural schematic diagram of a connecting piece in a specific embodiment of the utility model.
[0020] Figure 4 It is a structural schematic diagram of a connecting column in a specific embodiment of the utility model.
[0021] Figure 5 It is a structural schematic diagram of a manhole cover in a specific embodiment of the utility model.
[0022] Figure 6 It is a structural schematic diagram of the filter screen in a specific embodiment of the utility model.
[0023] In the figure: 1-drainage well, 11-positioning hole, 2-connecting piece, 21-embedded ring, 22-rotation groove, 23-first mounting hole, 24-second mounting hole, 25-connecting column, 251-groove, 26-fixing plate, 27-limiting ring, 3-well cover, 31-limiting groove, 32-positioning column, 321-card slot, 33-filter screen, 331-positioning block. DETAILED DESCRIPTION
[0024] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.
[0025] like Figure 1-Figure 2 As shown, a municipal road drainage structure includes a drainage well 1, a connecting piece 2 is pre-buried at the wellhead of the drainage well 1, a plurality of positioning holes 11 for positioning a manhole cover 3 are opened at the wellhead of the drainage well 1, the manhole cover 3 is installed inside the connecting piece 2, the connecting piece 2 is used to fix and limit the manhole cover 3, and a filter net 33 for filtering sewage entering the drainage well 1 is installed at the bottom of the manhole cover 3, and the filter net 33 is detachable relative to the manhole cover, so that the user can clean up the garbage filtered out by the filter net 33.
[0026] like Figure 3-Figure 4 As shown, a pre-buried ring 21 for fixing the connecting member 2 is fixedly installed at the bottom of the outer surface thereof, and the pre-buried ring 21 is buried inside the road surface at the wellhead of the drainage well 1. A plurality of rotation grooves 22 are provided on the inner wall of the connecting member 2, and a plurality of first mounting holes 23 are provided on the bottom wall at one end of the rotation groove 22. A plurality of second mounting holes 24 corresponding to the positions of the first mounting holes 23 are provided on the upper surface of the connecting member 2, and a connecting column 25 is rotatably installed inside the first mounting holes 23 and the second mounting holes 24. A fixing plate 26 for fixing and installing the manhole cover 3 and a limiting ring 27 for limiting the connecting column 25 are fixedly installed on the outer surface of the connecting column 25, and the limiting ring 27 is located above the fixing plate 26, and the limiting ring 27 is connected to the upper groove wall of the rotation groove 22 to limit the connecting column 25. A groove 251 for rotating the connecting column 25 is provided on the top of the connecting column 25, and the user can rotate the connecting column 25 through the groove 251 to rotate the fixing plate 26 into the interior of the manhole cover 3 to fix the manhole cover 3.
[0027] like Figure 5-Figure 6As shown, a plurality of limiting grooves 31 are provided on the outer circumferential surface of the manhole cover 3, and the fixing sheet 26 can be rotated into the inside of the limiting groove 31 to fix the manhole cover 3. A plurality of positioning posts 32 are fixedly installed on the top of the manhole cover 3, and a clamping groove 321 is provided on the outer surface of the positioning post 32. When the positioning post 32 is installed in the inside of the positioning hole 11, the lower groove surface of the clamping groove 321 is flush with the top of the positioning hole 11, and a positioning block 331 is fixedly installed on the outer circumferential surface of the filter screen 33. The positioning block 331 has a certain magnetism, and the positioning block 331 is installed in the inside of the clamping groove 321, so that the user can disassemble and assemble the filter screen 33 while disassembling and assembling the manhole cover 3. The position of the water inlet of the manhole cover 3 corresponds to the filter screen 33, so that external sewage can be filtered through the filter screen 33 and then discharged into the inside of the drainage well 1.
[0028] During use, the filter screen 33 is first installed at the bottom of the manhole cover 3, and then the manhole cover 3 is installed at the wellhead of the drainage well 1, so that the positioning column 32 is installed inside the positioning hole 11, and then the position of the limiting groove 31 corresponds to the position of the fixing plate 26, and finally the connecting column 25 is rotated through the groove 251 so that the fixing plate 26 rotates into the limiting groove 31 to fix the manhole cover 3, and the installation is completed.
[0029] In the utility model, a connecting member 2 is arranged at the wellhead of the drainage well 1, a rotatably installed connecting column 25 is arranged inside the connecting member 2 to install the fixing plate 26, and a plurality of limiting grooves 31 for installing the fixing plate 26 are opened on the outer circumferential surface of the manhole cover 3, so that the user can rotate the connecting column 25 to make the fixing plate 26 enter the limiting groove 31 to install and fix the manhole cover 3, thereby preventing the manhole cover 3 from falling off due to backflow of the drainage well, and a filter net is arranged at the bottom of the manhole cover 3, which can filter and collect garbage in the sewage for the convenience of cleaning by the user.
Claims
1. A municipal road drainage structure, characterized in that it includes: Drain well (1); A connecting piece (2) is pre-buried at the wellhead of the drainage well (1), a connecting column (25) is rotatably mounted inside the connecting piece (2), and a fixing plate (26) is fixedly mounted on the outer surface of the connecting column (25); A manhole cover (3) is installed at the wellhead of the drainage well (1) and is located inside the connecting piece (2). A limiting groove (31) for installing a fixing plate (26) is provided on the outer circumferential surface of the manhole cover (3). The fixing plate (26) is inserted into the limiting groove (31) by rotating the connecting column (25) so as to install and fix the manhole cover (3).
2. A municipal road drainage structure according to claim 1, characterized in that: The wellhead of the drainage well (1) is provided with a plurality of positioning holes (11) for positioning the well cover (3).
3. A municipal road drainage structure according to claim 2, characterized in that: A plurality of positioning columns (32) are fixedly mounted on the top of the manhole cover (3), and the positioning columns (32) are inserted into the interior of the positioning holes (11).
4. A municipal road drainage structure according to claim 3, characterized in that: The outer surface of the positioning column (32) is provided with a slot (321), and a positioning block (331) for installing the filter screen (33) is installed inside the slot (321).
5. A municipal road drainage structure according to claim 1, characterized in that: An embedded ring (21) for fixing the connecting piece (2) is fixedly mounted on the bottom of the outer surface of the connecting piece (2).
6. A municipal road drainage structure according to claim 1, characterized in that: The inner wall of the connecting piece (2) is provided with a plurality of rotation grooves (22).
7. A municipal road drainage structure according to claim 6, characterized in that: A plurality of first mounting holes (23) are formed on the bottom wall of one end of the rotation groove (22), a plurality of second mounting holes (24) corresponding to the positions of the first mounting holes (23) are formed on the upper surface of the connecting member (2), and connecting columns (25) are rotatably mounted inside the first mounting holes (23) and the second mounting holes (24).
8. The municipal road drainage structure according to claim 1 is characterized in that: A groove (251) for rotating the connecting column (25) is provided on the top of the connecting column (25).
9. A municipal road drainage structure according to any one of claims 1 to 8, characterized in that: A limiting ring (27) for limiting the position of the connecting column (25) is also fixedly mounted on the outer surface of the connecting column (25).