Heat-insulation and heat-preservation anti-corrosion pipeline elbow structure
By improving the pipe elbow structure and using components such as mounting rings, screws, and nuts to achieve efficient connection, combined with a buffer design, the problems of complex installation and easy corrosion of traditional pipe elbows are solved, thus improving installation efficiency and sealing performance.
Patent Information
- Application Number
- CN202520768680.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-04-22
AI Technical Summary
The existing pipe elbows require multiple bolts for installation, which is cumbersome, and the gaskets are exposed to the outside environment and are susceptible to corrosion, affecting the sealing performance.
It adopts a structure consisting of an installation ring, screw, nut, limit block and snap groove, and achieves sealing through threaded connection. Combined with the buffer chamber and piston plate to buffer the water hammer effect, it avoids the sealing gasket being exposed.
It reduces installation workload, improves efficiency, prevents reduced sealing, avoids corrosion, and enhances connection stability.
Smart Images
Figure CN223839975U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe elbow technology, specifically to a heat-insulating and corrosion-resistant pipe elbow structure. Background Technology
[0002] In piping systems, elbows are pipe fittings used to change the direction of pipelines. Based on angle, the three most common types are 45°, 90°, and 180°. Other non-standard angle elbows, such as 60°, are also available depending on project requirements. Elbows are made from materials such as cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals, and plastics. Connection methods to pipes include: direct welding (the most common method), flange connection, hot-melt connection, electrofusion connection, threaded connection, and socket connection.
[0003] Currently, existing pipe elbows are typically installed using connecting flanges and gaskets, which requires installing many sets of bolts, increasing the workload and inconvenience for workers, and reducing the efficiency of pipe elbow installation. Furthermore, after installation, the gaskets between the flanges are usually directly exposed to the outside environment, making them susceptible to corrosion, which gradually reduces the sealing performance of the pipe elbow connection. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a heat-insulating and corrosion-resistant pipe elbow structure, which solves the problem of traditional pipe elbows being connected via flanges during installation. This reduces the workload and hassle of repetitive operations for workers, improves the installation efficiency of pipe elbows, and prevents the sealing gasket from being exposed after installation, thus avoiding corrosion and reducing the sealing performance of the pipe elbow connection.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a heat-insulating and corrosion-resistant pipe elbow structure, comprising an elbow body, with mounting rings fixedly connected to both ends of the elbow body, and a groove formed on one side surface of the mounting ring, with a sealing gasket fixedly connected to the inner wall of the groove; a screw is provided on the outer side of the mounting ring, and a nut is threadedly connected to one end of the screw; a limit block is symmetrically fixedly connected to the side surface of the nut; a pipe body is provided at one end of the elbow body, and a positioning ring is fixedly connected to the side surface of the pipe body; a connecting seat is fixedly connected to the side surface of the positioning ring, and a snap-fit groove is symmetrically formed on the inner surface of the connecting seat, the snap-fit groove corresponding to the limit block.
[0006] Preferably, a convex ring is fixedly connected to one side surface of the positioning ring, and the convex ring corresponds to the groove.
[0007] Preferably, a buffer chamber is fixedly connected to the corner side surface of the elbow body, and the buffer chamber is connected to the interior of the elbow body. A piston plate is slidably connected inside the buffer chamber, and a sealing ring is sleeved on the side surface of the piston plate.
[0008] Preferably, a spring is fixedly connected to one side surface of the piston plate, and one end of the spring is fixedly connected to the inner wall of the buffer chamber.
[0009] Preferably, the outer diameter of the convex ring is smaller than the outer diameter of the sealing gasket, and the inner diameter of the convex ring is smaller than the inner diameter of the sealing gasket.
[0010] Preferably, a mounting base is fixedly connected to the outer surface of the mounting ring, and a bearing block is rotatably connected inside the mounting base, with the screw rotatably mounted inside the bearing block.
[0011] This utility model provides a heat-insulating and corrosion-resistant pipe elbow structure. Compared with the prior art, it has the following advantages: The mounting seat on the side surface of the mounting ring and the screw rod rotatably connected to the mounting seat via a bearing block, along with the limiting block and connecting seat on the side surface of the nut, the snap-fit groove, and the sealing gasket and convex ring inside the groove, cooperate with each other. This solves the problem of traditional pipe elbows being connected via flanges during installation, thus reducing the workload and hassle for workers, improving the installation efficiency of pipe elbows, and preventing the sealing gasket from being exposed after installation, thus avoiding corrosion and preventing a decrease in the sealing performance of the pipe elbow connection. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is an enlarged structural diagram of point A in this utility model;
[0014] Figure 3 This is a schematic diagram of the structure of the elbow body in this utility model;
[0015] Figure 4 This is a schematic diagram of the internal structure of the buffer chamber in this utility model.
[0016] In the diagram: 1. Elbow body; 101. Mounting ring; 102. Groove; 103. Sealing gasket; 2. Buffer chamber; 201. Piston plate; 202. Sealing ring; 203. Spring; 3. Pipe body; 301. Positioning ring; 302. Connecting seat; 303. Snap-fit groove; 304. Raised ring; 4. Mounting seat; 401. Limiting block; 402. Nut; 403. Screw; 404. Bearing block. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-4 This utility model provides a technical solution: a heat-insulating and corrosion-resistant pipe elbow structure, including an elbow body 1, with mounting rings 101 fixedly connected to both ends of the elbow body 1, a groove 102 opened on one side surface of the mounting ring 101, a sealing gasket 103 fixedly connected to the inner wall of the groove 102, a screw 403 provided on the outer side of the mounting ring 101, a nut 402 threadedly connected to one end side surface of the screw 403, a limit block 401 symmetrically fixedly connected to the side surface of the nut 402, a pipe body 3 provided at one end of the elbow body 1, a positioning ring 301 fixedly connected to the side surface of the pipe body 3, a connecting seat 302 fixedly connected to the side surface of the positioning ring 301, a snap-fit groove 303 symmetrically opened on the inner side surface of the connecting seat 302, the snap-fit groove 303 corresponding to the limit block 401.
[0019] As a technical optimization of this utility model, a convex ring 304 is fixedly connected to one side surface of the positioning ring 301. The convex ring 304 corresponds to the groove 102. During installation, the convex ring 304 is inserted into the groove 102 and presses against one side surface of the sealing gasket 103, thus enabling a sealed connection of the elbow body 1.
[0020] As a technical optimization of this utility model, a buffer chamber 2 is fixedly connected to the corner side surface of the elbow body 1. The buffer chamber 2 is connected to the interior of the elbow body 1. A piston plate 201 is slidably connected inside the buffer chamber 2. A sealing ring 202 is sleeved on the side surface of the piston plate 201. The buffer chamber 2 and the piston plate 201 inside the buffer chamber 2 can alleviate the impact force of the liquid on the elbow body 1 and further prevent the connection between the elbow body 1 and the pipeline from becoming loose.
[0021] As a technical optimization of this utility model, a spring 203 is fixedly connected to one side surface of the piston plate 201. One end of the spring 203 is fixedly connected to the inner wall of the buffer chamber 2. The spring 203 can improve the buffer chamber 2's ability to buffer the impact force generated by the water hammer effect, thereby further improving the buffering effect.
[0022] As a technical optimization of this utility model, the outer diameter of the convex ring 304 is smaller than the outer diameter of the sealing gasket 103, and the inner diameter of the convex ring 304 is smaller than the inner diameter of the sealing gasket 103. Therefore, after the elbow body 1 is installed, the sealing gasket 103 is squeezed and can wrap around the side surface of the convex ring 304, further improving the connection sealing performance of the elbow body 1.
[0023] As a technical optimization of this utility model, the outer surface of the mounting ring 101 is fixedly connected to the mounting base 4, and the mounting base 4 is rotatably connected to the bearing block 404. The screw 403 is rotatably installed inside the bearing block 404. The angle of the screw 403 can be adjusted through the bearing block 404 and the mounting base 4. Therefore, when installing the pipe body 3, the screw 403 is prevented from hitting one side of the connecting seat 302.
[0024] In use, the convex ring 304 at one end of the pipe body 3 is first aligned with the groove 102 on one side of the mounting ring 101. Then, the screw 403 is rotated by the bearing block 404 to make one end of the screw 403 tilt upwards. Next, the nut 402 is inserted into the connecting seat 302 through the limiting block 401. Then, the convex ring 304 is inserted into the groove 102. The screw 403 is rotated to make the screw 403 and the nut 402 threadedly connected. Then, the pipe body 3 will be pulled into the groove 102 by the screw 403 through the nut 402 and the connecting seat 302. At this time, one end of the convex ring 304 will press against the sealing gasket 103 and squeeze the sealing gasket 103, so that the sealing gasket 103 wraps around one end of the convex ring 304. At this time, the elbow body 1 is installed. When the elbow body 1 is subjected to water hammer effect, the buffer chamber 2 will reduce the impact of water hammer effect on the elbow body 1, thus reducing the possibility of the elbow body 1 becoming loose during use.
[0025] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A heat-insulating and corrosion-resistant pipe elbow structure, comprising an elbow body (1), characterized in that: The elbow body (1) is fixedly connected to both ends with mounting rings (101), and a groove (102) is provided on one side surface of the mounting ring (101), and a sealing gasket (103) is fixedly connected to the inner wall of the groove (102). A screw (403) is provided on the outer side of the mounting ring (101), and a nut (402) is threadedly connected to one end of the screw (403). A limit block (401) is symmetrically fixedly connected to the side surface of the nut (402). A pipe body (3) is provided at one end of the elbow body (1), and a positioning ring (301) is fixedly connected to the side surface of the pipe body (3). A connecting seat (302) is fixedly connected to the side surface of the positioning ring (301), and a snap-fit groove (303) is symmetrically provided on the inner surface of the connecting seat (302). The snap-fit groove (303) corresponds to the limit block (401).
2. The heat-insulating and corrosion-resistant pipe elbow structure according to claim 1, characterized in that: A protruding ring (304) is fixedly connected to one side surface of the positioning ring (301), and the protruding ring (304) corresponds to the groove (102).
3. The heat-insulating and corrosion-resistant pipe elbow structure according to claim 1, characterized in that: A buffer chamber (2) is fixedly connected to the corner side surface of the elbow body (1), and the buffer chamber (2) is connected to the interior of the elbow body (1). A piston plate (201) is slidably connected inside the buffer chamber (2), and a sealing ring (202) is sleeved on the side surface of the piston plate (201).
4. The heat-insulating and corrosion-resistant pipe elbow structure according to claim 3, characterized in that: A spring (203) is fixedly connected to one side surface of the piston plate (201), and one end of the spring (203) is fixedly connected to the inner wall of the buffer chamber (2).
5. The heat-insulating and corrosion-resistant pipe elbow structure according to claim 2, characterized in that: The outer diameter of the convex ring (304) is smaller than the outer diameter of the sealing gasket (103), and the inner diameter of the convex ring (304) is smaller than the inner diameter of the sealing gasket (103).
6. The heat-insulating and corrosion-resistant pipe elbow structure according to claim 1, characterized in that: The mounting ring (101) is fixedly connected to the outer surface of the mounting base (4), and the mounting base (4) is rotatably connected to the bearing block (404), and the screw (403) is rotatably installed inside the bearing block (404).