Leakage-proof protection structure of heat distribution pipeline for municipal engineering
By designing a leak-proof protection structure with waterproof rubber rings, dampers, and humidity sensors on the heating pipes, the problem of inconvenient maintenance caused by water leakage at the weld joints is solved, enabling convenient disassembly and maintenance management, and reducing the damage to the casing caused by external impacts.
Patent Information
- Application Number
- CN202520447481.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing leak-proof protection structures for heating pipelines in municipal engineering projects are prone to leaks at welded joints, leading to inconvenient maintenance and management.
A leak-proof protection structure was designed, comprising a main sleeve, an arc plate, a waterproof rubber ring, a damper, and a humidity sensor. The humidity sensor detects water leakage and sends a signal, making it easy to locate the leakage area. The threaded connection and fixing ring facilitate easy disassembly and reduce damage from external impacts.
It enables convenient maintenance and management, reduces disassembly difficulty, protects the main sleeve from external impact damage, and improves maintenance efficiency.
Smart Images

Figure CN223648874U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipeline leak prevention technology, specifically a leak prevention and protection structure for heating pipelines used in municipal engineering. Background Technology
[0002] The background technology of heat pipelines involves the design and operation of centralized heating systems, which consist of heat sources, heat networks, and users. Heat energy is supplied to multiple users through the heating pipeline network. The heat source is responsible for converting natural or man-made energy into heat energy, the heat network is responsible for transporting and distributing heat energy to users, and the user end is the equipment that obtains heat energy from the heat source.
[0003] Existing leak-proof protection structures for heating pipes in municipal engineering projects mostly involve directly placing a circular protective sleeve over the outside of the heating pipe. However, during long-term use, the most prone-to-leakage location for heating pipes is the welded joint. Therefore, when performing maintenance, the entire existing leak-proof protection structure for heating pipes in municipal engineering projects must be dismantled, which is inconvenient for later maintenance and management. Therefore, we propose a new leak-proof protection structure for heating pipes in municipal engineering projects. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a leak-proof protection structure for heating pipelines in municipal engineering, which solves the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a leak-proof protection structure for heating pipelines in municipal engineering, comprising a main sleeve and a hexagonal screw cylinder. Three arc-shaped plates are fixedly installed on both sides of the main sleeve, and each of the three arc-shaped plates has a threaded outer edge. A fixing ring is threaded onto the outer edge of each of the three threaded edges. A limit plate is fixedly installed on one side of each of the three arc-shaped plates. Two waterproof rubber rings are fixedly installed inside the main sleeve, and a groove is provided between the two waterproof rubber rings. A damper is fixedly installed on the outer side of the main sleeve, and a protective plate is fixedly installed at one end of the damper. A spring is fixedly connected to the outer side of the main sleeve, and the other end of the spring is connected to the inner side of the protective plate, with the spring located outside the damper. When there is a leak, the two waterproof rubber rings prevent water from flowing out and leaving it inside the groove. At this time, the humidity sensor will send a signal, and the staff can then move the device towards one end of the pipeline to drain the leaking area for repair. This process makes repairs more convenient, and the protective plate reduces damage to the outer surface of the main sleeve from external impacts.
[0006] Preferably, the hexagonal screw barrel has two screws threaded to both ends, and the screws are slidably connected to the connecting block. A baffle is fixedly installed at one end of each screw, and a hexagonal nut is threaded to the outside of each screw. When disassembling, first loosen the hexagonal screw barrel, then loosen the hexagonal nut, and finally loosen the retaining ring to disassemble the device. This process reduces the difficulty of disassembly.
[0007] Preferably, rubber gaskets are fixedly installed inside the three arc-shaped plates. The rubber gaskets can prevent the device from sliding on the pipeline.
[0008] Preferably, a humidity sensor is fixedly installed inside the groove, and a wire is fixedly connected to one side of the humidity sensor, with the wire passing through one of the waterproof rubber rings.
[0009] Preferably, the wire is electrically connected to an external terminal.
[0010] This utility model provides a leak-proof protection structure for heating pipelines in municipal engineering, which has the following beneficial effects:
[0011] 1. The leak-proof protection structure for heating pipelines in this municipal engineering project, through the setting of arc-shaped plates and fixing rings, allows the device to be moved on the pipeline when there is a leak at the weld joint of the pipeline by loosening the fixing rings. After the device is moved, the leak at the weld joint will be exposed. This process facilitates disassembly and avoids disassembling the entire device for maintenance, thus facilitating later maintenance and management.
[0012] 2. The leak-proof protection structure for the heating pipeline in this municipal engineering project, through the installation of protective plates, aims to prevent the main sleeve from deforming due to external impacts when the device is installed on the pipeline, thereby affecting the use of the device. Therefore, the use of dampers and springs can reduce the damage to the main sleeve caused by external impacts, which is beneficial to the long-term use of the device. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the damper of this utility model;
[0015] Figure 3 This is a cross-sectional view of the present invention;
[0016] Figure 4 This is a schematic diagram of the internal structure of this utility model.
[0017] In the diagram: 1. Main sleeve; 2. Arc plate; 3. Threaded wire; 4. Rubber washer; 5. Fixing ring; 6. Connecting block; 7. Screw; 8. Hexagonal screw barrel; 9. Hexagonal nut; 10. Baffle; 11. Limiting plate; 12. Waterproof rubber ring; 13. Groove; 14. Humidity sensor; 15. Wire; 16. Protective plate; 17. Damper; 18. Spring. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Please see Figures 1 to 4 This utility model provides a technical solution: a leak-proof protection structure for heating pipelines in municipal engineering, including a main sleeve 1 and a hexagonal screw cylinder 8. Three arc-shaped plates 2 are fixedly installed on both sides of the main sleeve 1. Each of the three arc-shaped plates 2 has a threaded line 3 on its outer side. A fixing ring 5 is threaded to the outer side of each of the three threaded lines 3. The fixing ring 5 is used to compress the three arc-shaped plates 2. A limit plate 11 is fixedly installed on one side of each of the three arc-shaped plates 2. The limit plate 11 is used to prevent the fixing ring 5 from falling off. Two waterproof rubber rings 12 are fixedly installed inside the main sleeve 1. The waterproof rubber rings 12 are used to prevent water leakage. A groove 13 is provided between the two waterproof rubber rings 12. The groove 13 is used to store leaked water. A damper 17 is fixedly installed on the outer side of the main sleeve 1. A protective plate 16 is fixedly installed on one end of the damper 17. The protective plate 16 is used to protect the main sleeve 1. A spring 18 is fixedly connected to the outer side of the main sleeve 1. The other end of the spring 18 is connected to the inner side of the protective plate 16, and the spring 18 is located outside the damper 17.
[0020] like Figure 1 As shown, the hexagonal screw barrel 8 has two screws 7 threadedly connected to both ends, and the screws 7 are slidably connected to the connecting block 6. A baffle 10 is fixedly installed at one end of each screw 7 to prevent the connecting block 6 from falling off. A hexagonal nut 9 is threadedly connected to the outside of each screw 7 to fix the connecting block 6.
[0021] like Figure 2 As shown, rubber washers 4 are fixedly installed inside the three arc-shaped plates 2. The rubber washers 4 are used to increase friction.
[0022] like Figure 4 As shown, a humidity sensor 14 is fixedly installed inside the groove 13. The humidity sensor 14 is used to detect water leakage. A wire 15 is fixedly connected to one side of the humidity sensor 14, and the wire 15 passes through one of the waterproof rubber rings 12.
[0023] like Figure 4As shown, wire 15 is electrically connected to an external terminal.
[0024] In summary, the leak-proof protection structure for heating pipes used in this municipal engineering project requires the following steps: First, move the device to the desired installation location. Then, slip the device over the welded joint between the two heating pipes from one end of the pipe. Note that the welded joint must be between the two waterproof rubber rings 12, i.e., on the groove 13. This ensures that water will remain in the groove 13 in case of leakage. Since a humidity sensor 14 (Fantasy IoT\FTX-TH-485-PE01) is installed in the groove 13, it will send a signal to an external terminal when water is detected. The humidity sensor 14 must be connected to the external terminal using a wire 15 to alert maintenance personnel. Then, the device can be secured. First, rotate the two fixing rings 5. Because the three arc-shaped plates 2 are conical, when the fixing rings 5 move along the threaded line 3, they will press the three arc-shaped plates 2 against the pipe until one side of the fixing ring 5 is aligned with the limiting plate 11. The device is secured to the pipe surface by contacting one side of the pipe and by using rubber gaskets 4 to increase friction, thus preventing the device from sliding on the pipe. To ensure a more secure fixation, the hexagonal screw cylinder 8 is rotated, which brings the two screws 7 closer together, causing the two baffles 10 to come closer together and lock the two retaining rings 5 in place. To prevent the retaining rings 5 from slipping back after prolonged use, the hexagonal nut 9 is rotated and moved along the screws 7 until it is tightened, thus preventing the retaining rings 5 from slipping back. The device is then fixed to the heat pipe. To prevent damage to the main sleeve 1 from external impacts, a protective plate 16 is used to reduce damage to the main sleeve 1. When repairing a leaking area, simply loosen the hexagonal screw cylinder 8, hexagonal nut 9, and retaining rings 5 in sequence, then move the device to one side of the pipe, causing the leaking area to be exposed. The worker can then repair the leaking area. The above is the working principle of this utility model.
[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A leak-proof protection structure for heating pipelines in municipal engineering, comprising a main sleeve (1) and a hexagonal screw cylinder (8), characterized in that: Three arc-shaped plates (2) are fixedly installed on both sides of the main sleeve (1). Threaded lines (3) are opened on the outer side of the three arc-shaped plates (2). A fixing ring (5) is threaded to the outer side of the three threaded lines (3). A limit plate (11) is fixedly installed on one side of the three arc-shaped plates (2). Two waterproof rubber rings (12) are fixedly installed inside the main sleeve (1). A groove (13) is provided between the two waterproof rubber rings (12). A damper (17) is fixedly installed on the outer side of the main sleeve (1). A protective plate (16) is fixedly installed at one end of the damper (17). A spring (18) is fixedly connected to the outer side of the main sleeve (1). The other end of the spring (18) is connected to the inner side of the protective plate (16), and the spring (18) is located outside the damper (17).
2. The leak-proof protection structure for heating pipelines in municipal engineering according to claim 1, characterized in that: The hexagonal screw cylinder (8) has two screws (7) threaded to both ends inside, and the screws (7) are slidably connected to the connecting block (6). A baffle (10) is fixedly installed at one end of each of the two screws (7), and a hexagonal nut (9) is threaded to the outside of each of the two screws (7).
3. The leak-proof protection structure for heating pipelines in municipal engineering according to claim 1, characterized in that: Rubber gaskets (4) are fixedly installed inside the three arc-shaped plates (2).
4. The leak-proof protection structure for heating pipelines in municipal engineering according to claim 1, characterized in that: A humidity sensor (14) is fixedly installed inside the groove (13). A wire (15) is fixedly connected to one side of the humidity sensor (14), and the wire (15) passes through one of the waterproof rubber rings (12).
5. A leak-proof protection structure for heating pipelines in municipal engineering according to claim 4, characterized in that: The wire (15) is electrically connected to an external terminal.