A high pressure-bearing composite manhole cover
By designing the filter cartridge and filter port area in the composite manhole cover, the problem of foreign matter falling in the manhole cover during drainage is solved, and effective filtration of water flow and safety guarantee of items is achieved.
Patent Information
- Application Number
- CN202421305408.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing composite manhole cover lacks a filter structure during drainage, resulting in foreign objects falling into the manhole cover and being unable to be retrieved, affecting the safety of passers-by.
A high-pressure-bearing composite manhole cover is designed. The bottom of the manhole cover circular plate is equipped with a sewer pipe. The outer wall of the sewer pipe is equipped with a threaded strip. A threaded groove sleeve and a filter cartridge are installed on the threaded strip. The outer wall of the filter cartridge is equipped with a filter port area for filtering water flow and isolating foreign matter.
Through the design of the filter port area, the manhole cover can effectively filter foreign objects in the water flow, prevent items from falling into the sewer, ensure the safety of passers-by, and realize the drainage function of the manhole cover.
Smart Images

Figure CN222730608U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of manhole covers, in particular to a high pressure-bearing composite manhole cover. Background Art
[0002] A manhole cover is a device used to cover openings such as wellheads or sewer openings, and is mainly used to ensure the safe and smooth passage of people and vehicles.
[0003] However, in the prior art, the existing composite manhole covers are pressed and synthesized, so more materials are used. This can improve the strength of the manhole covers. However, for rainwater manhole covers, they are mainly used for drainage. There is no filtering structure during drainage, which may cause some foreign objects to fall into the interior and disappear, causing losses to some important things. There is no chance to save and recover them, resulting in the safety of passers-by's belongings cannot be guaranteed. Utility Model Content
[0004] The utility model provides a high-pressure-bearing composite manhole cover, which solves the structural technical problem that the composite manhole cover described above may cause passers-by's belongings to fall into it when discharging rainwater, and there is no filtering structure, resulting in the inability to retrieve the belongings.
[0005] The utility model solves the above-mentioned technical problems as follows: a high-pressure-bearing composite manhole cover, including a manhole cover frame body, a manhole cover circular plate is arranged on the top of the manhole cover frame body, grooves are arranged on the top of the manhole cover circular plate near both sides, the inner bottom surface of each groove is provided with drainage outlets near both sides, and a prying opening is arranged at the center of the inner bottom surface of each groove, a sewer pipe is fixed at the bottom of the manhole cover circular plate near the bottom of four drainage outlets, the outer walls of the four sewer pipes are provided with threaded strips, the outer walls of the four threaded strips are provided with threaded groove sleeves, the bottoms of the four threaded groove sleeves are provided with filter cartridges, and the outer walls of the four filter cartridges are provided with filter port areas.
[0006] The beneficial effects of the utility model are as follows: the main body of the manhole cover frame mainly plays a supporting role, and its material is mainly made of alloy, which can provide better support and stability. The set manhole cover circular plate can seal the top of the main body of the manhole cover frame, and the set groove can facilitate the setting of drainage ports and prying ports. The drainage ports can facilitate the discharge of accumulated water on the road surface, and the set prying ports can facilitate personnel to open the manhole cover circular plate. The fixed sewer pipe can facilitate the discharge of water to a designated area. The set threaded strip can facilitate the threaded sleeve to be screwed onto it, and the threaded sleeve can be used to support the filter cartridge, and the set filter cartridge can store water. The filter port area can be used to isolate foreign matter, so that water can be discharged.
[0007] On the basis of the above technical solution, the present invention can also be improved as follows.
[0008] Furthermore, a non-slip and anti-pressure layer is provided on the top of the circular plate of the manhole cover.
[0009] The beneficial effect of adopting the above further scheme is that the anti-skid and pressure-resistant layer can prevent people from slipping and can also improve the pressure resistance of the manhole cover circular plate, mainly by utilizing the characteristics of the material to strengthen the top function of the manhole cover circular plate.
[0010] Furthermore, a concrete filling layer is provided between both sides of the inner side of the circular plate of the manhole cover.
[0011] The beneficial effect of adopting the above further solution is that the provided concrete filling layer can increase the weight of the circular plate of the manhole cover, and can also improve its stability to prevent it from being easily moved by people and water flow.
[0012] Furthermore, a reinforcement layer is provided at the bottom of the concrete filling layer.
[0013] The beneficial effect of adopting the above further solution is that the provided reinforcement layer can utilize the internal alloy material to improve its durability.
[0014] Furthermore, a rubber buffer layer is provided at the bottom of the circular plate of the manhole cover.
[0015] The beneficial effect of adopting the above further solution is that the provided rubber buffer layer can facilitate buffering of the pressure.
[0016] Furthermore, a marking area is provided at the top center of the circular plate of the manhole cover.
[0017] The beneficial effect of adopting the above further solution is that the provided identification area can be convenient for engraving, thus playing a role in reminding personnel.
[0018] Beneficial effect: By using the threaded groove sleeve, the filter cartridge can be fixed on the threaded strip on the sewer pipe, so that the filter port area can be used to filter the accumulated water flowing downstream, and it can also prevent some people's belongings from falling directly into the sewer, preventing people's belongings from being unable to be retrieved, and ensuring the safety of passers-by's belongings as much as possible.
[0019] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0021] Figure 1 A three-dimensional diagram of a high-pressure-bearing composite manhole cover is proposed for the utility model;
[0022] Figure 2 The utility model provides a schematic diagram of the front cross-sectional structure of a circular plate of a manhole cover of a high pressure-bearing composite material manhole cover;
[0023] Figure 3 The utility model provides a schematic diagram of the upward structure of a high pressure-bearing composite manhole cover.
[0024] Legend:
[0025] 1. Manhole cover frame body; 2. Manhole cover round plate; 3. Groove; 4. Drainage outlet; 5. Prying opening; 6. Downpipe; 7. Threaded strip; 8. Threaded groove sleeve; 9. Filter cartridge; 10. Filter port area; 11. Anti-slip and pressure-resistant layer; 12. Concrete filling layer; 13. Reinforcement layer; 14. Rubber buffer layer; 15. Marking area. DETAILED DESCRIPTION
[0026] The following is combined with Figure 1-3 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0027] Example 1
[0028] like Figure 1-3 As shown, the utility model is a high-pressure-bearing composite manhole cover, including a manhole cover frame body 1, a manhole cover circular plate 2 is arranged on the top of the manhole cover frame body 1, grooves 3 are arranged on the top of the manhole cover circular plate 2 near both sides, the inner bottom surface of each groove 3 is provided with drainage ports 4 near both sides, and a prying port 5 is arranged at the center of the inner bottom surface of each groove 3, and a downpipe 6 is fixed to the bottom of the manhole cover circular plate 2 near the bottom of four drainage ports 4, the outer walls of the four downpipes 6 are provided with threaded strips 7, the outer walls of the four threaded strips 7 are provided with threaded groove sleeves 8, the bottoms of the four threaded groove sleeves 8 are provided with filter cartridges 9, and the outer walls of the four filter cartridges 9 are provided with filter port areas 10.
[0029] Example 2
[0030] like Figure 1-3 As shown, an anti-skid and anti-compression layer 11 is arranged on the top of the circular plate 2 of the manhole cover, a concrete filling layer 12 is arranged between the inner two sides of the circular plate 2, and a reinforcement layer 13 is arranged at the bottom of the concrete filling layer 12.
[0031] In this embodiment, the anti-skid and pressure-resistant layer 11 can prevent people from slipping and can also improve the pressure resistance of the manhole cover circular plate 2. It mainly utilizes the characteristics of the material to strengthen the top function of the manhole cover circular plate 2. The concrete filling layer 12 can increase the weight of the manhole cover circular plate 2 and improve its stability to prevent it from being easily moved by people and water. The reinforcement layer 13 can utilize the internal alloy material to improve its durability.
[0032] Example 3
[0033] like Figure 1-3 As shown, a rubber buffer layer 14 is provided at the bottom of the circular plate 2 of the manhole cover, and a marking area 15 is provided at the top center of the circular plate 2 of the manhole cover.
[0034] In this embodiment, the rubber buffer layer 14 can be used to buffer the pressure, and the marking area 15 can be used to engrave words, which can serve as a reminder for personnel.
[0035] Working principle:
[0036] When in use, personnel need to manually install and screw it in. By using the threaded groove sleeve 8, the filter cartridge 9 can be fixed on the threaded strip 7 on the sewer pipe 6. In this way, the filter port area 10 can be used to filter the accumulated water flowing downstream. It can also prevent some people's belongings from falling directly into the sewer, preventing people's belongings from being unable to be retrieved, and ensuring the safety of passers-by's belongings as much as possible.
[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.
Claims
1. A high pressure bearing composite manhole cover, comprising a manhole cover frame body (1), characterized in that: A manhole cover circular plate (2) is arranged on the top of the manhole cover frame body (1), grooves (3) are arranged on the top of the manhole cover circular plate (2) near both sides, drainage ports (4) are arranged on the inner bottom surface of each groove (3) near both sides, and a prying opening (5) is arranged at the center of the inner bottom surface of each groove (3), a downpipe (6) is fixed to the bottom of the manhole cover circular plate (2) near the bottom of four drainage ports (4), the outer walls of the four downpipes (6) are arranged with threaded strips (7), the outer walls of the four threaded strips (7) are arranged with threaded groove sleeves (8), the bottoms of the four threaded groove sleeves (8) are arranged with filter cartridges (9), and the outer walls of the four filter cartridges (9) are arranged with filter port areas (10).
2. A high pressure bearing composite manhole cover according to claim 1, characterized in that: The top of the manhole cover circular plate (2) is provided with an anti-slip and anti-pressure layer (11).
3. The high pressure-bearing composite manhole cover according to claim 1, characterized in that: A concrete filling layer (12) is provided between both sides of the inner side of the manhole cover circular plate (2).
4. A high pressure bearing composite manhole cover according to claim 3, characterized in that: A reinforcement layer (13) is provided at the bottom of the concrete filling layer (12).
5. The high pressure-bearing composite manhole cover according to claim 1, characterized in that: A rubber buffer layer (14) is provided at the bottom of the manhole cover circular plate (2).
6. The high pressure-bearing composite manhole cover according to claim 1, characterized in that: A marking area (15) is provided at the top center of the manhole cover circular plate (2).