Underground drainage pipe inspection opening cover with multi-layer sealing structure
The manhole cover design, featuring a three-layer sealing ring and an integrated pressure sensor, solves the problems of insufficient sealing and real-time monitoring, achieving efficient sealing performance and real-time status monitoring, simplifying the installation process, and reducing maintenance costs.
Patent Information
- Application Number
- CN202422898324.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing manhole covers suffer from insufficient sealing, inability to monitor drainage pipe status in real time, and inconvenience in installation and disassembly.
It adopts a three-layer sealing ring design, integrates a pressure sensor and wireless communication module, and is equipped with a waterproof sleeve to achieve a multi-layer sealing structure and real-time monitoring function.
It improves sealing performance, reduces the risk of leakage, enables real-time monitoring of drainage pipe status, simplifies the installation process, reduces maintenance costs, and improves system stability.
Smart Images

Figure CN223634067U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of inspection well lid, specifically discloses an underground drainage pipe inspection hole cover with multilayer sealing structure. BACKGROUND
[0002] The underground drainage pipe system is an important part of urban infrastructure, which is used for excluding precipitation and sewage and ensuring the normal operation of the urban drainage system. In order to ensure the smoothness of the drainage system, the drainage pipe needs to be regularly inspected and maintained. The inspection hole cover is one of the important components in the drainage pipe system, which is usually used to provide access to the drainage pipe for maintenance and inspection. The existing safety type inspection well cover (publication number: CN204510263U) has at least the following disadvantages:
[0003] 1. The existing inspection hole cover is usually equipped with only a single sealing ring, which may not effectively prevent water and dirt from penetrating, especially under high pressure, which is prone to leakage, thereby affecting the normal operation of the drainage system, so there is an urgent need for a device that can be sealed in multiple layers.
[0004] 2. The existing inspection hole cover does not integrate a pressure sensor and a wireless communication module, so it cannot monitor the internal pressure and status of the drainage pipe in real time. In this way, problems in the drainage system, such as blockage or damage, may be missed, thereby increasing the difficulty and cost of maintenance and repair, so there is an urgent need for a device that can remotely monitor and detect abnormal conditions.
[0005] 3. The existing drainage pipe inspection hole cover needs to be fixed with a bolt ring, which not only complicates the installation and disassembly, but also does not have a waterproof effect, so there is an urgent need for a device that is simple to install and disassemble and has a waterproof effect. INVENTION CONTENTS
[0006] The main purpose of the utility model is to provide an underground drainage pipe inspection hole cover with a multilayer sealing structure, which can effectively solve the problems in the background art.
[0007] To achieve the above-mentioned purpose, the utility model adopts the technical scheme: an underground drainage pipe inspection hole cover with a multilayer sealing structure, comprising a drainage pipe inspection hole cover body, a waterproof sleeve is installed outside the drainage pipe inspection hole cover body, a first sealing ring is installed at the connection between the drainage pipe inspection hole cover body and the waterproof sleeve, a second sealing ring is connected to the outside of the drainage pipe inspection hole cover body, a third sealing ring is installed outside the second sealing ring, and a control device is installed below the drainage pipe inspection hole cover body.
[0008] Preferably, a pressure sensor is installed below the control device.
[0009] Preferably, a power supply is installed inside the control device.
[0010] Preferably, the left side of the power cable is threaded out.
[0011] Preferably, the other side of the cable is equipped with a controller.
[0012] Preferably, a wireless communication module is installed below the controller.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The design of the three-layer sealing ring greatly improves the sealing performance of the inspection port cover. The interaction between each layer of sealing ring can effectively prevent the penetration of moisture and pollutants, reduce the risk of water leakage, and ensure the normal operation of the underground drainage system.
[0015] 2. The integration of the pressure sensor and the wireless communication module enables the inspection port cover to monitor the pressure and status of the drainage pipeline in real time. Through the remote monitoring system, abnormal conditions in the drainage system can be detected in a timely manner, and when the pressure is too high, blocked or other potential problems, timely measures can be taken to reduce damage to the system.
[0016] 3. The design of the waterproof sleeve not only protects the internal structure of the inspection port cover, but also provides additional support to ensure the stability of the cover during long-term use. This can effectively prevent the cover from shifting or being damaged due to environmental changes or external forces. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a schematic diagram of the overall structure of the utility model Figure 1 ;
[0018] Figure 2 is a schematic diagram of the overall structure of the utility model Figure 2 ;
[0019] Figure 3 is a sectional view of the utility model
[0020] In the figure: 1, drainage pipe inspection port cover body; 2, first sealing ring; 3, waterproof sleeve; 4, second sealing ring; 5, control device; 6, pressure sensor; 7, third sealing ring; 8, controller; 9, power supply; 10, wireless communication module; 11, cable. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following will further describe the utility model in combination with specific embodiments.
[0022] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0023] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be broadly understood, for example, "connection", can be fixed connection, can also be detachable connection, or integral connection;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] Embodiment
[0025] Please refer to Figures 1-3 The utility model provides a technical scheme:
[0026] A kind of underground drainage pipe inspection hole cover with multilayer sealing structure, including drainage pipe inspection hole cover body, waterproof sleeve is installed on the outside of drainage pipe inspection hole cover body, first sealing ring is installed in the connecting place of drainage pipe inspection hole cover body and waterproof sleeve, second sealing ring is connected to the outside of drainage pipe inspection hole cover body, third sealing ring is installed outside second sealing ring, control device is installed below drainage pipe inspection hole cover body, pressure sensor is installed below control device, power supply is installed inside control device, cable is worn out left side of power supply, controller is installed in the other side of cable, wireless communication module is installed below controller.
[0027] It needs to be explained that the utility model gives priority to the pressure sensor of model Honeywell PX3 Series, suitable for a variety of measurement ranges from 0-1 psi to 0-500 psi, up to ±0.25% full range accuracy, support-40 °C to + 125 °C temperature range, adapt to various environmental conditions, IP65 protection level, with good waterproof and dustproof performance.
[0028] It is noted that the utility model discloses a three-layer sealing ring design, which can effectively reduce water leakage, and compared with the traditional single-layer sealing ring, the water leakage rate is reduced by 90%. Tests show that in the pressure test, the sealing effect of the three-layer sealing ring remains good under the condition of bearing up to 1.5 times the standard pressure, and there is no leakage phenomenon. This significant improvement ensures the normal operation of the underground drainage system under various environmental conditions, reduces system failures caused by sealing failure. Under different climate conditions, the durability and adaptability of the three-layer sealing ring are improved. In a high humidity environment, the aging speed of the traditional single-layer sealing ring is faster, while the three-layer sealing ring can maintain its elasticity and sealing performance, and the service life is extended by 30%. Real-time monitoring and abnormal early warning: integrated pressure sensor and wireless communication module can transmit real-time pressure data of the drainage pipeline. Through the remote monitoring system, when pressure anomalies occur, an alarm can be sent to maintenance personnel immediately. This real-time early warning function helps to identify problems in the drainage pipeline in advance, such as blockage or pressure anomalies, reducing damage caused by not timely processing. In practical application, the maintenance cost of the drainage pipeline using this system is reduced by 20% because problems can be detected and solved earlier. The system can record historical data and perform analysis, providing long-term trend charts on pipeline pressure and status. This data recording function helps managers assess the health status of the drainage system and develop maintenance plans based on actual data, thereby reducing resources wasted by blind maintenance. Actual data analysis shows that data-driven maintenance strategies have improved by 15% compared to traditional planned maintenance. The design of the waterproof sleeve has shown significant stability improvement in practical application. After the simulated environmental change test, the stability of the access cover is improved by 40%, effectively preventing cover displacement and damage. This design provides additional support to ensure the stability of the cover during long-term use. The access cover with a waterproof sleeve has a durability improvement of 25% compared to the design without a sleeve. The waterproof sleeve simplifies the installation process and provides better protection during maintenance. The access cover with a waterproof sleeve requires 30% less time to install, and maintenance work is more efficient. Maintenance personnel feedback also shows that the use of the waterproof sleeve reduces the incidence of problems during installation and maintenance, improving overall work efficiency.
[0029] It is noted that the following is a comparison table of experimental data of the utility model and traditional equipment:
[0030] Characteristics Prior Art Utility Model Superiority Description Sealing Performance Single-layer sealing ring, high water leakage rate Three-layer sealing ring, water leakage rate reduced by 90% Three-layer sealing ring significantly improves sealing effect, effectively preventing moisture and pollutants from penetrating. High-pressure bearing capacity May leak when bearing standard pressure No leakage when bearing up to 1.5 times standard pressure Improved sealing design performs well in high-pressure environments, preventing water leakage. Environmental Adaptability Sealing performance decreases in high humidity and extreme temperature Three-layer sealing ring adapts to high humidity, high temperature and low temperature environments Three-layer sealing ring maintains good sealing performance under different environmental conditions. Real-time Monitoring No real-time monitoring function Integrated pressure sensor and wireless communication module Real-time monitoring of drainage pipeline status, timely warning of abnormalities, reducing maintenance costs. Data Recording and Analysis No data recording and analysis function Pressure data recording and long-term trend analysis Data recording and analysis help optimize maintenance strategies and improve maintenance effectiveness.
[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A manhole cover for a sewer with a multi-layer sealing structure, comprising a sewer manhole cover body (1), characterized in that: The drain inspection cover body (1) is provided with a waterproof sleeve (3) outside, the drain inspection cover body (1) is provided with a first sealing ring (2) at the connection with the waterproof sleeve (3), the drain inspection cover body (1) is connected with a second sealing ring (4) outside, the second sealing ring (4) is provided with a third sealing ring (7) outside, and the drain inspection cover body (1) is provided with a control device (5) below.
2. A multi-layered sealed access cover for underground drainage pipes according to claim 1, characterized in that: A pressure sensor (6) is installed below the control device (5).
3. A multi-layered sealed access cover for underground drainage pipes according to claim 1, characterized in that: A power supply (9) is installed inside the control device (5).
4. A multi-layered sealed access cover for underground drainage pipes according to claim 3, wherein: A cable (11) is drawn out from the left side of the power supply (9).
5. A multi-layered sealed access cover for underground drainage pipes according to claim 4, wherein: A controller (8) is installed on the other side of the cable (11).
6. A multi-layered sealed access cover for underground drainage pipes according to claim 5, wherein: A wireless communication module (10) is installed below the controller (8).
Citation Information
Patent Citations
Safe type manhole cover
CN204510263U