Stainless steel corrugated pipe
By using stainless steel corrugated pipes, the problems of poor corrosion resistance and flexibility of traditional sewer pipes are solved, achieving high corrosion resistance, flexibility and efficient drainage, improving installation flexibility and environmental hygiene.
Patent Information
- Application Number
- CN202520100444.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Traditional drain pipes have poor corrosion resistance, are prone to corrosion and clogging, and have poor flexibility, which affects their service life and drainage efficiency.
The corrugated pipe is made of stainless steel. The corrugated pipe body is composed of crests and troughs, which can expand and deform. The connecting components include a movable nut and a straight outlet pipe. It is equipped with a limit ring and a rubber sealing ring, and is designed with an arc-shaped connection, which has an anti-backflow structure.
It improves the corrosion resistance and flexibility of pipelines, reduces the risk of blockage, enhances sealing and installation flexibility, extends service life, and improves drainage efficiency and environmental hygiene.
Smart Images

Figure CN223675490U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a corrugated pipe technical field, more specifically, it relates to a stainless steel corrugated pipe. BACKGROUND
[0002] Traditional ordinary plastic sewer pipe is poor in corrosion resistance, is easily corroded by long-term contact with sewage, chemicals and the like, shortens service life, and can also cause pipe rupture, leakage and environmental pollution, and although cast iron sewer pipe is high in strength, is also easily rusted and corroded, and affects drainage function.
[0003] The inner wall of the traditional sewer pipe is relatively rough, and when the water flow speed is slow, sundries and dirt are easily attached and accumulated, causing blockage and affecting drainage efficiency, and in addition, the traditional sewer pipe is poor in flexibility and cannot be arbitrarily bent to change the drainage direction. UTILITY MODEL CONTENT
[0004] In view of the deficiencies in the prior art, the utility model aims at providing a stainless steel corrugated pipe which is high in corrosion resistance and strength.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stainless steel corrugated pipe, comprising a corrugated pipe body, the corrugated pipe body is composed of a plurality of wave crests and wave troughs connected in sequence, and the corrugated pipe body can be elastically deformed in the axial direction, and the corrugated pipe is also provided with a connecting assembly at both ends, the connecting assembly comprises a movable nut arranged at one end of the corrugated pipe and used for rotary connection and a water outlet straight pipe arranged at the other end of the corrugated pipe.
[0006] The utility model is further provided as follows: the shape structure of the wave crest and the wave trough of the corrugated pipe body is one of a circle, an ellipse or a U shape, and the wave crest and the wave trough are connected in an arc shape.
[0007] The utility model is further provided as follows: a straight pipe is arranged between the movable nut and the corrugated pipe body, a limiting ring is arranged at the connecting end of the straight pipe and the movable nut, the limiting ring is used for preventing the movable nut from falling off, and the limiting ring is configured to form a sealed environment by being in contact with the drain port when the movable nut is threadedly connected with the external drain port.
[0008] The utility model is further provided as follows: the corrugated pipe is configured to be twisted according to specific requirements, changes the flow direction of water or gas in the scene, and can also be twisted in any direction to form an anti-backflow structure.
[0009] The utility model is further provided as follows: a rubber sealing ring matched with the limiting ring is arranged in the movable nut.
[0010] The utility model further sets up: the water outlet straight pipe still is equipped with the deodorization cover, the deodorization cover is equipped with the extension wall, and the diameter of extension wall is greater than the diameter of drainage end.
[0011] The utility model further sets up: the bellows adopts stainless steel material.
[0012] The utility model has the advantages of:
[0013] 1. The bellows body is composed of a plurality of wave crests and wave troughs connected in sequence, has strong compression resistance, prevents the pipeline from breaking and disconnection due to internal and external forces, ensures the normal operation of the drainage system, and the bellows body can be stretched and deformed in the axial direction, the telescopic feature makes it unnecessary to accurately measure the pipeline length during installation, can be freely adjusted within a certain range, reduces the installation difficulty, and improves the construction efficiency. The movable nut at one end can be rotatably connected, facilitating the disassembly and installation of the bellows and external joints, and the water outlet straight pipe provided at the other end can guide the smooth flow of water, reduce water flow resistance, cooperate with the bellows body, ensure smooth discharge of sewage, reduce the risk of blockage, and improve the drainage efficiency.
[0014] 2. The shape of the wave crest and the wave trough can be circular, oval or U-shaped, which makes the bellows can be selected and adapted according to different use scenarios, pressure requirements, etc. For example, the circular structure has uniform stress and strong compression resistance, and is suitable for drainage environment with high pressure; the oval shape may be more convenient to layout in some limited installation environment; the U-shaped structure has certain flexibility and may have advantages in cost, improving the versatility and flexibility of the product. The wave crest and the wave trough are connected in arc shape, so that the water flow in the pipeline is smoother, the possibility of water flow impact and turbulence is reduced, the problem of poor drainage caused by water flow resistance is reduced, and stress concentration caused by sharp corners at the connection is avoided, improving the structural strength and service life of the bellows body.
[0015] 3. The straight pipe is arranged between the movable nut and the bellows body, the length and stability of the connecting part are increased, the movable nut is convenient to operate and connect, the limiting ring can prevent the movable nut from falling off accidentally and guarantee the firmness of the connection, the limiting ring and the drain port interfere with each other to form a sealed environment when the movable nut is connected with the external drain port, sewage leakage is avoided, the sealing property of the drainage system is improved, and the pollution risk to the surrounding environment is reduced. The bellows can be twisted to change the flow direction of water or gas according to specific requirements, which has great advantages in a complex drainage or ventilation system. When the pipe is installed, the bellows can be twisted to bypass obstacles, without the need of using a large number of elbow pipe fittings, so that the installation cost is reduced, and the layout of the whole system is more flexible and reasonable. Moreover, the bellows can be twisted in any direction to form an anti-backflow structure, so that the reverse flow of water or gas is effectively avoided, and the living environment is affected.
[0016] 4. The rubber sealing ring matched with the limiting ring is arranged in the movable nut, the rubber has good elasticity and sealing property, the rubber sealing ring can be closely attached between the movable nut and the external drain port when the movable nut is connected with the external drain port, small gaps possibly existing are further filled, and the sealing property of the connecting part is greatly enhanced. The deodorization cover plate of the water outlet straight pipe has an outer extension wall with a diameter greater than that of the drain end, so that a water seal effect is formed, odors, harmful gases and the like in the sewer are prevented from being emitted to the indoor through the drain port, mosquitoes and the like are also prevented from entering the indoor through the drain port, the indoor air quality is improved, and the comfort and health of the living environment are guaranteed. The bellows is made of stainless steel, the stainless steel has excellent corrosion resistance and can resist the corrosion of sewage and chemical substances for a long time, is not easy to rust and damage, can ensure that the pipe works stably for a long time, prolongs the service life of the pipe, reduces the cost and trouble caused by frequent replacement of the pipe, and has high strength, can bear certain external force and internal pressure, and guarantees the normal operation of the drainage or ventilation system. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a three-dimensional structure schematic view of the utility model;
[0018] Fig. 2 It is a sectional view of the bellows under a stretching structure;
[0019] Figs. 1-2 Reference signs: 1, bellows body; 2, wave crest; 3, wave trough; 4, movable nut; 5, water outlet straight pipe; 6, deodorization cover; 7, outer extension wall; 8, straight pipe. DETAILED DESCRIPTION
[0020] Reference Figs. 1 to 2 The utility model embodiment is further explained.
[0021] For ease of description, spatially relative terms, such as "upper", "lower", "left", "right", and the like, can be used herein for the purpose of illustrating one element or feature's relationship to another element or feature, as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the figures. For example, if a device is inverted, elements described as being on the "lower" side of other elements or features would then be oriented on the "upper" sides of the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of the lower side and the upper side, depending on the particular orientation of the device. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
[0022] Also, the relative terms "first" and "second" are used herein merely to distinguish one from another, without necessarily requiring or implying any actual relationship or order between or among the elements so designated.
[0023] Figs. 1 to 2 The illustrated stainless steel corrugated pipe includes a corrugated pipe body 1 composed of a plurality of wave crests 2 and wave troughs 3 connected in sequence, has strong pressure resistance, prevents the pipe from breaking and disengaging due to internal and external forces, ensures the normal operation of the drainage system, and can be deformed in the axial direction. The telescopic property eliminates the need for accurate measurement of the pipe length during installation, allows free adjustment within a certain range, reduces installation difficulty, and improves construction efficiency. The corrugated pipe is also provided with a connecting assembly at both ends, which includes a movable nut 4 arranged at one end of the corrugated pipe for rotary connection and a water outlet straight pipe 5 arranged at the other end of the corrugated pipe. The movable nut 4 at one end can be connected rotatably, facilitating the disassembly and installation of the corrugated pipe and external joints. The water outlet straight pipe 5 arranged at the other end can guide the water flow to flow out smoothly, reduce water flow resistance, cooperate with the corrugated pipe body 1, ensure smooth discharge of sewage, reduce the risk of blockage, and improve drainage efficiency.
[0024] The shape and structure of the wave crests 2 and wave troughs 3 of the corrugated pipe body 1 are one of circular, elliptical or U-shaped, which allows the corrugated pipe to be selected and adapted according to different use scenarios and pressure requirements. For example, the circular structure has uniform stress and strong pressure resistance, suitable for drainage environments with high pressure; the elliptical shape may be more convenient to layout in some limited installation environments; the U-shaped structure has certain telescopic properties and may have advantages in cost, improving the versatility and flexibility of the product. The arc-shaped connection between the wave crests 2 and wave troughs 3 makes the water flow smoother in the pipe, reducing the possibility of water flow impact and turbulence, reducing the problem of poor drainage caused by water flow resistance, and avoiding stress concentration caused by sharp corners at the connection, improving the structural strength and service life of the corrugated pipe body 1.
[0025] The straight pipe 8 is arranged between the movable nut 4 and the corrugated pipe body 1, and the end of the straight pipe 8 connected with the movable nut 4 is provided with a limiting ring, which increases the length and stability of the connecting part, facilitates the operation of the movable nut 4 for connection, and the limiting ring can prevent the movable nut 4 from falling off accidentally, thereby ensuring the firmness of the connection.
[0026] The corrugated pipe can be twisted to change the flow direction of water or gas according to specific requirements by the corrugated pipes on one side approaching each other and the corrugated pipes on the other side moving away from each other, which has great advantages in complex drainage or ventilation systems. During installation, the pipe can be twisted to bypass obstacles without using a large number of elbow pipe fittings, thereby reducing the installation cost and making the layout of the entire system more flexible and reasonable. Moreover, the pipe can be twisted in any direction to form an anti-backflow structure, which can effectively prevent water or gas from flowing backward and affecting the living environment.
[0027] The movable nut 4 is provided with a rubber sealing ring matched with the limiting ring. The rubber has good elasticity and sealing performance, and the rubber sealing ring can tightly fit between the movable nut 4 and the external drainage outlet when they are connected, thereby further filling the possible small gaps and greatly enhancing the sealing performance of the connection.
[0028] The water outlet straight pipe 5 is further provided with a deodorizing cover 6, and the deodorizing cover 6 is provided with an extension wall 7 with a diameter larger than that of the drainage end. Such a design can form a water seal effect, prevent odors, harmful gases and the like in the sewer from being emitted into the room through the drainage outlet, and prevent mosquitoes and the like from entering the room through the drainage outlet, thereby improving the indoor air quality and ensuring the comfort and health of the living environment.
[0029] The corrugated pipe is made of stainless steel, which has excellent corrosion resistance and can resist the corrosion of sewage and chemicals for a long time. The pipe is not easy to rust and damage, can ensure long-term stable operation of the pipe, prolong the service life of the pipe, reduce the cost and trouble caused by frequent replacement of the pipe, and has high strength, can withstand certain external force and internal pressure, and ensure the normal operation of the drainage or ventilation system.
[0030] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Any changes and replacements within the technical scheme of the present application made by those skilled in the art should be included in the protection scope of the present application.
Claims
1. A stainless steel bellows comprising a bellows body (1), characterized in that, The bellows body (1) is composed of a plurality of connected wave crests (2) and wave troughs (3), and the bellows body (1) can be deformed in the axial direction, and the bellows is provided with a connecting assembly at both ends, the connecting assembly comprises a movable nut (4) provided at one end of the bellows and used for rotating connection, and a water outlet straight pipe (5) provided at the other end of the bellows.
2. A stainless steel bellows according to claim 1, characterized in that The shape of the wave crest (2) and the wave trough (3) of the bellows body (1) is one of a circle, an ellipse or a U shape, and the wave crest (2) and the wave trough (3) are connected in a circular arc shape.
3. A stainless steel bellows according to claim 1, wherein The movable nut (4) and the bellows body (1) are provided with a straight pipe (8), and the straight pipe (8) is provided with a limiting ring at the end connected with the movable nut (4), the limiting ring is used for preventing the movable nut (4) from falling off, and the limiting ring is configured to be in contact with the drain port to form a sealed environment when the movable nut (4) is threadedly connected with the drain port.
4. A stainless steel bellows according to claim 1, wherein The bellows is configured to be twisted according to specific requirements, to change the flow direction of water or gas in the scene, and can also be twisted in any direction to form an anti-backflow structure.
5. A stainless steel bellows according to claim 3, wherein The movable nut (4) is provided with a rubber sealing ring matched with the limiting ring.
6. A stainless steel bellows according to claim 1, wherein The water outlet straight pipe (5) is further provided with a deodorizing cover (6) plate, the deodorizing cover (6) is provided with an extension wall (7), and the diameter of the extension wall (7) is greater than the diameter of the drain end.
7. A stainless steel bellows according to claim 1, wherein The bellows is made of stainless steel.