Embedded flap valve device

By using an embedded flap gate device and a fixing nut and a high-strength composite fiberglass plate for installation, combined with auxiliary components, automatic opening and closing is achieved. This solves the problems of difficult installation and easy corrosion and wear of traditional flap gates, and achieves the effects of rapid installation, stable operation and automatic backflow prevention and drainage.

CN223908874UActive Publication Date: 2026-02-13BEIJING CHAOYANG WATER CONSERVANCY ENG CO
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Patent Information

Application Number
CN202520416153.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-13
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Traditional flap gate devices use external or pre-embedded installation methods, which increases the difficulty and cost of installation. In addition, the use of heavy metal materials makes them susceptible to corrosion and wear, resulting in performance degradation and frequent replacement.

Method used

An embedded flap gate device is adopted, which is fixed to the inner wall of the pipe with a fixing nut. A high-strength composite fiberglass plate is used as the cover plate, and automatic opening and closing is achieved through auxiliary components. It is integrated with the pipe structure to form an integrated installation. The auxiliary components include float, slide bar and spring, etc., which automatically adjust the flap gate state according to water level changes.

Benefits of technology

It achieves rapid installation, stable operation, reduced wind and water resistance, extended service life, and has automatic anti-backflow and smooth drainage functions, thus improving operating efficiency and automation level.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an embedded flap valve device, which relates to the field of pipeline flap valves and comprises a flap valve base, a flap valve cover plate and an auxiliary component, support lugs are correspondingly arranged on the flap valve cover plate, the flap valve base is connected with the support lugs on the flap valve cover plate through a connecting shaft, water stop rubber is embedded in the top side of the flap valve base, and the auxiliary component is connected with the flap valve cover plate through a connecting shaft. The flap valve base is fixedly connected to the inner wall of the pipeline through a reserved fixing nut. The flap valve base is embedded in the inner wall of the pipeline and fixed through the fixing nut, the embedded flap valve is usually tightly combined with the wall and the pipeline structure after being installed, the integrated effect is achieved, the installation mode is attractive and elegant, wind resistance and water resistance can be effectively reduced, the flap valve operation efficiency is improved, and the installation cost is reduced. And rapid installation and stable operation of the flap valve are achieved. And meanwhile, the flap valve cover plate is made of the corrosion-resistant and wear-resistant high-strength composite material glass reinforced plastic plate, so that the service life is prolonged, and wastes and environmental pollution caused by frequent replacement are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pipeline flap door, concretely relates to a kind of embedded flap door device. BACKGROUND

[0002] In recent years, with the change from flood control function to waterfront space landscape management in river regulation, water conservancy construction projects are faced with how to improve economic, social and ecological benefits, focusing on realizing the utilization rate of original slope structure, promoting energy saving and carbon reduction, and reducing the demolition of hydraulic facilities. The embedded flap door can prevent water backflow through simple installation process, ensure one-way traffic of drainage, and improve the overall performance and operating efficiency of hydraulic structures. When improving or improving the performance of the original rainwater inlet in river construction, a flap door needs to be added.

[0003] Traditional flap door devices are mostly installed by external hanging or pre-buried method, which not only increases the installation difficulty and cost, but also may damage the existing water outlet structure. In addition, the traditional flap door cover plate is mostly made of heavy materials such as metal, which not only has large weight, but also is easily corroded and worn in long-term operation, resulting in performance degradation and frequent replacement. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of embedded flap door device to solve the problem of traditional flap door device in the above background technology, which is mostly installed by external hanging or pre-buried method, which not only increases the installation difficulty and cost, but also may damage the existing water outlet structure. In addition, the traditional flap door cover plate is mostly made of heavy materials such as metal, which not only has large weight, but also is easily corroded and worn in long-term operation, resulting in performance degradation and frequent replacement.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] An embedded flap door device includes a flap door base, a flap door cover plate and an auxiliary assembly. The flap door cover plate has corresponding ears. The flap door base is connected to the ears on the flap door cover plate through a connecting shaft. The top side of the flap door base is embedded with a water stop rubber. The flap door base is fixedly connected to the inner wall of the pipeline through a reserved fixing nut. The auxiliary assembly is arranged on the outer wall of the pipeline relative to the flap door base.

[0007] Optionally, the auxiliary assembly includes a fixing seat arranged on the outer wall of the pipeline. The fixing seat has a sliding groove.

[0008] Optionally, the sliding groove side is equipped with a floating ball. A sliding rod is slidably arranged in the sliding groove, and a limiting plate is also arranged in the sliding groove. A spring is arranged on the outer end of the sliding rod close to the floating ball. A pull rod is movably connected to the other end of the sliding rod through the limiting plate.

[0009] Optionally, the other end of the pull rod is movably sleeved on the outside of the connecting shaft.

[0010] Optionally, the material of the flap cover plate is a high-strength composite glass steel plate.

[0011] Optionally, the surface of the auxiliary assembly is coated with a corrosion-resistant coating.

[0012] Optionally, the included angle between the plane of the flap base door frame and the vertical plane is 15°-25°.

[0013] The beneficial effects of the present application are:

[0014] 1. The flap base is embedded in the inner wall of the pipeline, and is fixed by a fixing nut. After installation, the embedded flap is usually closely combined with the wall body and the pipeline structure to form an integrated effect. This installation method not only has a beautiful appearance, but also can effectively reduce wind resistance and water resistance, improve the operating efficiency of the flap, and achieve rapid installation and stable operation of the flap. At the same time, the flap cover plate is made of a corrosion-resistant and wear-resistant high-strength composite glass steel plate, which prolongs the service life and reduces waste and environmental pollution caused by frequent replacement.

[0015] 2. In the present application, the auxiliary assembly can not only push the flap cover plate to close when the water level rises to prevent river water from flowing backward, but also automatically open the flap cover plate when the water level drops to achieve smooth drainage. The realization of this dual function makes the embedded flap system more flexible and practical. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the embedded flap device of the present application;

[0017] Fig. 2 is a side view of the present application;

[0018] Fig. 3 is an embodiment view of the present application.

[0019] Reference numerals in the drawings are:

[0020] 1. Flap base; 2. Flap cover plate; 3. Lugs; 4. Connecting shaft; 5. Water stop rubber; 6. Fixing nut; 7. Pipeline; 8. Fixed seat; 801. Slide groove; 9. Float ball; 10. Slide rod; 11. Spring; 12. Limiting plate; 13. Pull rod. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0022] The utility model discloses a better embodiment of the device is described below.

[0023] Please refer to Figs. 1-3 As shown in the figure, the embedded flap valve device comprises a flap valve base 1, a flap valve cover plate 2 and an auxiliary assembly, the flap valve cover plate 2 is provided with a lug 3 correspondingly, the flap valve base 1 is connected with the lug 3 on the flap valve cover plate 2 through a connecting shaft 4, a water stop rubber 5 is embedded in the top side of the flap valve base 1, the water stop rubber 5 is used for providing effective sealing effect when the flap valve cover plate 2 is closed, preventing water leakage, the flap valve base 1 is fixedly connected to the inner wall of a pipeline 7 through a reserved fixed nut 6, and the auxiliary assembly is arranged on the outer wall of the pipeline 7 relative to the flap valve base 1.

[0024] Further, the included angle between the plane of the door frame of the flap valve base 1 and the vertical plane is 15°-25°.

[0025] Specifically, during installation, only the embedded flap valve needs to be inserted under the original pipeline 7 condition, and after installation, the pipeline 7 structure can be closely combined to form an integrated visual effect, and this installation mode is not only beautiful and generous, but also can effectively reduce the wind resistance and water resistance, thereby improving the operation efficiency of the flap valve.

[0026] Further, the material of the flap valve cover plate 2 is a high-strength composite glass steel plate, in the flap valve device, the high-strength material can ensure that the flap valve cover plate 2 is not easy to deform or damage when bearing water pressure, improve the service life and safety of the flap valve, and the composite material is mostly a composite of inorganic non-metallic material and organic high polymer material, so it has good corrosion resistance and can be used for a long time in harsh environments, and the material with good corrosion resistance can resist the erosion of water, chemicals and the like, prolonging the service life of the flap valve.

[0027] In another embodiment provided by the utility model, as shown in the figure, Fig. 3 The auxiliary assembly comprises a fixing seat 8 arranged on the outer wall of the pipeline 7, and a sliding groove 801 is formed in the fixing seat 8.

[0028] Further, a float ball 9 is arranged on the side of the sliding groove 801, a sliding rod 10 is slidably arranged in the sliding groove 801, a limiting plate 12 is further arranged in the sliding groove 801, a spring 11 is arranged on the outer part of one end of the sliding rod 10 close to the float ball 9, and a pull rod 13 is movably connected to the other end of the sliding rod 10 and movably sleeved on the outer part of the connecting shaft 4.

[0029] Further, the surface of the auxiliary assembly is coated with an anti-corrosion coating.

[0030] Specifically, when the water level rises, the float ball 9 rises with it, and transmits force through the slide rod 10 and spring 11 and other components in the chute 801, the slide rod 10 slides upward under the drive of the float ball 9, and at the same time the spring 11 is compressed, when the slide rod 10 slides to a certain position, through the connecting relationship of the pull rod 13 and the connecting shaft 4, the flap cover plate 2 rotates around the connecting shaft 4, so as to realize the closing of the flap cover plate 2, when the water level drops, the float ball 9 drops with it, the spring 11 pushes the slide rod 10 to slide downward under the action of the restoring force, and at the same time the pull rod 13 also moves, so that the flap cover plate 2 rotates reversely around the connecting shaft 4, so as to realize the opening of the flap cover plate 2, and the embedded flap system uses the existing pipeline 7 structure as the basis, and is firmly installed on the pipeline 7 through the fixing nut 6, when the upstream water flows in, the water flow force will push the flap cover plate 2 to rotate around the fixed shaft and open, in this process, the lug 3 on the flap cover plate 2 and the connecting shaft 4 connected therewith will also move, with the opening of the flap cover plate 2, the connecting shaft 4 will further push the pull rod 13, and the pull rod 13 will exert a pushing force on the slide rod 10, which will compress the spring 11, so that the spring 11 is in the energy storage state, at this time, the flap is completely opened, allowing the water to flow smoothly, realizing the drainage effect, when the river water level is adjusted or the external water level rises, the water pressure will increase and act on the flap cover plate 2, the increased water pressure will gradually overcome the elastic force of the spring 11, and push the flap cover plate 2 to start closing, with the closing of the flap cover plate 2, the connecting shaft 4 and the pull rod 13 will also gradually reset, and at the same time the spring 11 releases the stored energy and pushes the slide rod 10 to return to the initial position, finally, when the flap cover plate 2 is completely reset, it will tightly adhere to the pipeline 7, forming an effective seal, thereby preventing the river water from flowing backward, in this way, the embedded flap system successfully realizes the dual effects of drainage and anti-backflow, through this way, the auxiliary assembly can automatically adjust the opening and closing state of the flap cover plate 2 according to the change of the water level, without manual operation or external power support, improving the automation level and operation efficiency of the flap device.

[0031] The basic principle, main features and 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 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 claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. An embedded flap device, characterized by: Including clap door base (1), clap door cover plate (2) and auxiliary assembly, the lug (3) is equipped with on the clap door cover plate (2) correspondingly, the clap door base (1) is connected through connecting shaft (4) with the lug (3) on the clap door cover plate (2), the top side of the clap door base (1) is embedded with water stop rubber (5), the clap door base (1) is fixedly connected through the reserved fixed nut (6) on the inner wall of pipeline (7), the auxiliary assembly is about the clap door base (1) and is arranged on the outer wall of pipeline (7).

2. An embedded flap device according to claim 1, characterized in that: The auxiliary assembly includes a fixing seat (8) arranged on the outer wall of the pipeline (7), and a sliding groove (801) is formed in the fixing seat (8).

3. An embedded flap device according to claim 2, wherein: A floating ball (9) is arranged on the side of the sliding groove (801), a sliding rod (10) is slidably arranged in the sliding groove (801), and a limiting plate (12) is further arranged in the sliding groove (801), a spring (11) is arranged on the outer end of the sliding rod (10) close to the floating ball (9), and a pull rod (13) is movably connected to the other end of the sliding rod (10) and penetrates through the limiting plate (12).

4. An embedded flap device according to claim 3, wherein: The other end of the pull rod (13) is movably sleeved on the outside of the connecting shaft (4).

5. An embedded flap device according to claim 1, wherein: The material of the clap door cover plate (2) is a high-strength composite glass steel plate.

6. An embedded flap device according to claim 1, wherein: The surface of the auxiliary assembly is coated with a corrosion-resistant coating.

7. An embedded flap device according to claim 1, wherein: The angle between the plane of the clap door base (1) door frame and the vertical plane is 15°-25°.