Novel well lid
The manhole cover design with a combined structure of steel grid and filter cartridge solves the problems of poor drainage and easy clogging of mesh manhole covers, achieves rapid drainage and garbage filtration, avoids sewer blockage, and is easy to clean.
Patent Information
- Application Number
- CN202422658011.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The mesh holes of existing mesh manhole covers are too large, which will cause large amounts of garbage to enter the sewer and clog it. The mesh holes are too small, which will result in poor drainage effect, making it difficult to achieve rapid drainage while preventing clogging.
It adopts a combined structure of steel grid and filter cartridge. The holes of the steel grid are larger than those of the filter cartridge. The filter cartridge is made of stainless steel and is connected by screws and nuts to achieve rapid drainage and garbage filtering. The bolts and nuts are easy to disassemble and assemble.
The manhole cover can be drained quickly without clogging. The garbage is filtered by the filter cartridge to avoid sewer blockage. It is easy and quick to disassemble and assemble.
Smart Images
Figure CN223373840U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of municipal facilities, in particular to a new manhole cover. Background Art
[0002] Manhole covers are lids that cover the entrances of underground facilities such as sewers, cable wells, and gas wells in urban roads, sidewalks, and green spaces. The design and manufacture of manhole covers require consideration of multiple aspects to ensure their safety, durability, and functionality.
[0003] On rainy days, it is very important to ensure that manhole covers can drain water quickly. This can prevent water accumulation, reduce the risk of urban flooding, and improve road safety. Currently, mesh manhole covers can facilitate drainage, but if the mesh size is too large, large amounts of garbage will enter the sewer, which can easily cause blockage inside the sewer. Smaller mesh sizes have poor drainage effect and are also prone to blockage.
[0004] For this reason, a novel manhole cover is now proposed to solve the above problems. Utility Model Content
[0005] The purpose of the present utility model is to provide a new type of anti-blocking manhole cover to solve the problem raised in the above background technology. At present, the mesh manhole cover can facilitate drainage, but the mesh size is too large, which will cause a large volume of garbage to enter the sewer, easily causing blockage inside the sewer; the mesh size is small, the drainage effect is poor and it is also easy to be blocked.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new manhole cover, comprising a fixing frame and a cover body, a steel grid is provided in the middle position inside the cover body, the steel grid is fixedly connected to the cover body, a connecting assembly is provided between the cover body and the fixing frame, a filter cartridge is connected to the bottom of the cover body, four screws are fixedly welded to the upper wall surface of the filter cartridge, the four screws pass through the interior of the cover body and extend to the outside of the cover body, a through hole is provided at the connection between the cover body and the four screws, the outer wall surfaces of the four screws are all screwed with a first nut, and the filter cartridge is screwed to the cover body through the screws and the first nut.
[0007] Preferably, the mesh of the steel grid is larger than the mesh of the filter cartridge, the filter cartridge is made of stainless steel, and the outer wall surface of the steel grid is sprayed with corrosion-resistant paint.
[0008] Preferably, a plurality of reinforcing ribs are evenly connected to the surface of the fixing frame, and the plurality of reinforcing ribs are welded to the surface of the fixing frame.
[0009] Preferably, a plurality of mounting holes are evenly arranged on the edge of the fixing frame, and anti-slip patterns are arranged on the lower wall surface of the fixing frame.
[0010] Preferably, the connecting assembly includes a fixing block and a concave frame, the fixing block is fixedly connected to the surface of the cover body, the concave frame is fixedly connected to the surface of the fixing frame, the fixing block is located in the groove of the concave frame, a bolt is provided between the fixing block and the concave frame, the bolt passes through the concave frame and the fixing block, a second nut is screwed on the surface of the rear end of the bolt, the fixing block and the concave frame are screwed together by the bolt and the second nut, and the fixing frame and the cover body are connected by the fixing block and the concave frame.
[0011] Preferably, the outer wall surface of the fixing block is sprayed with corrosion-resistant paint.
[0012] Compared with the prior art, the beneficial effects of the present invention are: through the cooperation between the large-pore steel grid and the small-pore filter cartridge, it can ensure the rapid drainage of the manhole cover, and secondly, it is not easy to get clogged. Garbage can be filtered by the filter cartridge and will not flow into the sewer to cause blockage. The cooperation between the fixing assembly and the four screws and the first nut can quickly disassemble and assemble the cover body and the filter cartridge, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the top view of the structure of the utility model;
[0014] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;
[0015] Figure 3 This is a schematic diagram of the explosion structure of the utility model.
[0016] In the figure: 1. fixing frame; 2. cover; 3. steel grid; 4. mounting hole; 5. reinforcing rib; 6. screw; 7. first nut; 8. fixing block; 9. concave frame; 10. filter cartridge; 11. second nut; 12. bolt. DETAILED DESCRIPTION
[0017] 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.
[0018] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0019] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.
[0020] Example:
[0021] See also Figure 1-3 The utility model provides a technical solution: a new manhole cover, including a fixing frame 1 and a cover body 2, a steel grid 3 is provided in the middle position inside the cover body 2, the steel grid 3 is fixedly connected to the cover body 2, and the steel grid 3 is welded to the cover body 2, a connecting component is provided between the cover body 2 and the fixing frame 1, a filter cartridge 10 is connected to the bottom of the cover body 2, the filter cartridge 10 is designed to be larger in size to avoid inconvenience in drainage after screening out some garbage, four screws 6 are fixedly welded to the upper wall surface of the filter cartridge 10, the four screws 6 pass through the interior of the cover body 2 and extend to the outside of the cover body 2, a through hole is provided at the connection between the cover body 2 and the four screws 6, the outer wall surfaces of the four screws 6 are screwed with a first nut 7, and the filter cartridge 10 is screwed to the cover body 2 through the screw 6 and the first nut 7.
[0022] Among them, the holes of the steel mesh 3 are larger than the holes of the filter cartridge 10, the filter cartridge 10 is made of stainless steel, the outer wall surface of the steel mesh 3 is sprayed with corrosion-resistant paint, the surface of the fixing frame 1 is evenly connected with a plurality of reinforcing ribs 5, and the plurality of reinforcing ribs 5 are welded to the surface of the fixing frame 1. The edge portion of the fixing frame 1 is evenly provided with a plurality of mounting holes 4, and the lower wall surface of the fixing frame 1 is provided with anti-slip lines. The connecting assembly includes a fixing block 8 and a concave frame 9, and the fixing block 8 is fixedly connected to the surface of the cover body 2. The concave frame 9 is fixedly connected to the surface of the fixing frame 1, and the fixing block 8 is located in the groove of the concave frame 9. A bolt 12 is provided between the fixing block 8 and the concave frame 9. The bolt 12 passes through the concave frame 9 and the fixing block 8. The rear end surface of the bolt 12 is screwed with a second nut 11. The fixing block 8 and the concave frame 9 are screwed together by the bolt 12 and the second nut 11. The fixing frame 1 and the cover body 2 are connected by the fixing block 8 and the concave frame 9. The outer wall surface of the fixing block 8 is sprayed with corrosion-resistant paint.
[0023] Working principle: First, install and fix the fixing frame 1 at the wellhead, and then screw the four screws 6 to the cover body 2 through the four first nuts 7. The filter cartridge 10 is connected to the cover body 2 through the screws 6 and the first nuts 7. Then, clamp the fixing block 8 in the middle notch of the concave frame 9, screw on the bolt 12, and then screw on the second nut 11. The cover body 2 is fixed to the fixing frame 1. On rainy days, the holes of the steel grid 3 are larger and can be used for rapid drainage. After some garbage and debris pass through the holes of the steel grid 3 into the well body, the filter cartridge 10 blocks these garbage and debris to prevent them from entering the sewer. When the filter cartridge 10 needs to be cleaned, you only need to unscrew the second nut 11, then unscrew the bolt 12, take out the cover body 2, and then unscrew the four first nuts 7 to clean the filter cartridge 10. It is convenient and quick.
[0024] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel manhole cover, comprising a fixing frame (1) and a cover body (2), characterized in that: A steel grid (3) is provided in the middle position of the interior of the cover body (2), and the steel grid (3) is fixedly connected to the cover body (2). A connecting assembly is provided between the cover body (2) and the fixing frame (1). A filter cartridge (10) is connected to the bottom of the cover body (2), and four screw rods (6) are fixedly welded to the upper wall surface of the filter cartridge (10). The four screw rods (6) pass through the interior of the cover body (2) and extend to the outside of the cover body (2). A through hole is provided at the connection between the cover body (2) and the four screw rods (6). The outer wall surfaces of the four screw rods (6) are all screwed with first nuts (7). The filter cartridge (10) is screwed to the cover body (2) through the screw rods (6) and the first nuts (7).
2. A new manhole cover according to claim 1, characterized in that: The holes of the steel mesh (3) are larger than the holes of the filter cartridge (10); the filter cartridge (10) is made of stainless steel; and the outer wall surface of the steel mesh (3) is sprayed with corrosion-resistant paint.
3. A new manhole cover according to claim 1, characterized in that: The surface of the fixing frame (1) is evenly connected with a plurality of reinforcing ribs (5), and the plurality of reinforcing ribs (5) are welded to the surface of the fixing frame (1).
4. A new manhole cover according to claim 1, characterized in that: A plurality of mounting holes (4) are evenly arranged on the edge of the fixing frame (1), and anti-slip patterns are arranged on the lower wall surface of the fixing frame (1).
5. The new manhole cover according to claim 1, characterized in that: The connecting assembly comprises a fixing block (8) and a concave frame (9), wherein the fixing block (8) is fixedly connected to the surface of the cover body (2), and the concave frame (9) is fixedly connected to the surface of the fixing frame (1), wherein the fixing block (8) is located in a groove of the concave frame (9), and a bolt (12) is provided between the fixing block (8) and the concave frame (9), wherein the bolt (12) passes through the concave frame (9) and the fixing block (8), and a second nut (11) is screwed on the rear end surface of the bolt (12), wherein the fixing block (8) and the concave frame (9) are screwed together by the bolt (12) and the second nut (11), and the fixing frame (1) and the cover body (2) are connected by the fixing block (8) and the concave frame (9).
6. A new manhole cover according to claim 5, characterized in that: The outer wall surface of the fixing block (8) is sprayed with corrosion-resistant paint.