PE pipe with frost-crack-resistant structure
By using a combination of insulation ring and limiting ring on the outer surface of PE pipe, the problem of PE pipe being prone to breakage at low temperatures is solved, and anti-freezing and crack protection is achieved in low-temperature environments.
Patent Information
- Application Number
- CN202423104280.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing PE pipes are prone to breakage due to freezing in low-temperature environments, affecting normal use.
An insulation ring is fitted onto the outer surface of the PE pipe, and a combination of rubber gasket ring and limiting ring is used for buffering and limiting. Combined with the connection of threaded ring and fastener, it forms a protection against freezing and cracking.
It effectively prevents PE pipes from breaking due to low temperature freezing, ensuring normal use in low temperature environments.
Smart Images

Figure CN223498961U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PE pipe technology, specifically to a PE pipe with a frost-resistant structure. Background Technology
[0002] PE pipe is a type of pipe made from polyethylene resin as the main raw material through an extrusion molding process. PE pipe has a variety of excellent properties, including excellent chemical corrosion resistance, which can resist the erosion of most domestic and industrial chemicals. PE pipe has a very wide range of applications, from small-section yellow pipes for natural gas to large-diameter black pipes for industrial and urban pipelines, and can even replace concrete rainwater drainage pipes and other sewer lines.
[0003] When using existing PE pipes, their function is to resist chemical corrosion and resist the erosion of most domestic and industrial chemicals. However, existing PE pipes cannot be used in low-temperature environments, which can easily cause the PE pipes to break due to freezing, affecting normal use. Utility Model Content
[0004] The purpose of this utility model is to provide a PE pipe with a freeze-crack resistant structure to solve the problem mentioned in the background art that the existing PE pipes cannot be used in low-temperature environments and are prone to breakage due to freezing, affecting normal use.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a PE pipe with a frost-crack resistant structure, comprising a pipe body:
[0006] Positioning plates are connected to both sides of the pipe body. Insulation rings are sleeved on the outer walls of the positioning plates. Rubber gaskets are abutted on both ends of the insulation rings. Limiting rings are sleeved on the outer walls of the rubber gaskets. Threaded rings are rotatably connected to both ends of the limiting rings.
[0007] Preferably, the heat-insulating ring pad itself is configured as an antifreeze structure, and the inner surface of the heat-insulating ring pad has grooves on both sides, with the positioning plate inserted into the grooves of the heat-insulating ring pad.
[0008] Preferably, the rubber gasket is located between the insulation ring and the threaded ring for buffering, and the rubber gasket is filled between the pipe body and the limiting ring to make them in flexible contact.
[0009] Preferably, the limiting ring has threaded grooves on both ends of its surface, and one end of the threaded ring is rotatably connected to the inside of the threaded groove of the limiting ring.
[0010] Preferably, the limiting ring is connected to two fixing plates on both sides, the outer wall of the fixing plate is fitted with a limiting frame, the top outer wall of the limiting frame is fitted with a fixing sleeve, and the fixing sleeve is inserted with limiting screws inside both sides.
[0011] Preferably, the limiting rings are configured as two sets and respectively sleeved on the outer walls of the two sides of the rubber pad ring, and the fixing plates are respectively connected to one side surface of the two sets of limiting rings. The fixing plates are inserted into the limiting frame and slidably connected to the limiting frame.
[0012] Preferably, the fixed sleeve has grooves on both sides of its surface, the limiting frame has through holes on both sides of its surface, the fixed plate has threaded holes on its surface, and one end of the limiting screw passes through the grooves in the fixed sleeve and the through holes in the limiting frame and is rotatably connected to the threaded holes in the fixed plate.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. By attaching the insulation ring pad to the outer surface of the positioning plate, the positioning plate positions the insulation ring pad. Then, the rubber gasket is attached to the outer walls of both ends of the positioning plate to limit the two ends of the insulation ring pad. Next, the limiting ring is attached to the outer surface of the rubber gasket to buffer the pipe body and the limiting ring. Then, one end of the threaded ring is rotated and connected to the threaded groove of the limiting ring to limit the two ends of the pipe body. The rubber gasket ensures flexible contact between the insulation ring pad and the threaded ring, thereby achieving anti-freezing and crack protection for the pipe body and avoiding the problem of the pipe body breaking due to freezing at low temperatures, which would affect normal use.
[0015] 2. By inserting the fixing plate into the limiting frame, the limiting frame positions the fixing plate, thereby limiting the two sides of the limiting ring. Then, the fixing sleeve is fitted onto the outer walls of both ends of the limiting frame, and the fixing sleeve limits the two ends of the fixing plate. Then, one end of the limiting screw passes through the groove in the fixing sleeve and the through hole in the limiting frame and is rotatably connected to the threaded hole in the fixing plate, thereby connecting and fixing the fixing plate, the limiting frame and the fixing sleeve, thus realizing the assembly function of the limiting ring. Attached Figure Description
[0016] Figure 1 This is a three-dimensional front view of the structure of this utility model;
[0017] Figure 2 This is a three-dimensional sectional view of the structure of this utility model.
[0018] Figure 3 This is a top view and partial cross-sectional perspective view of the structure of this utility model;
[0019] Figure 4 This is a partial cross-sectional plan view of the structure of this utility model from the front;
[0020] Figure 5 This is a partial sectional view of the structure of this utility model from the side.
[0021] In the diagram: 11. Pipe body; 12. Positioning plate; 13. Insulation ring; 14. Rubber gasket ring; 15. Limiting ring; 16. Threaded ring; 17. Fixing plate; 18. Limiting bracket; 19. Fixing sleeve; 20. Limiting screw. Detailed Implementation
[0022] 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.
[0023] Please see Figure 1-5 One embodiment provided by this utility model:
[0024] A PE pipe with a frost-crack resistant structure includes a pipe body 11:
[0025] Positioning plates 12 are connected to both sides of the pipe body 11. Insulation rings 13 are sleeved on the outer wall of the positioning plates 12. Rubber pads 14 are abutted on the two ends of the insulation rings 13. Limiting rings 15 are sleeved on the outer wall of the rubber pads 14. Threaded rings 16 are rotatably connected to the two ends of the limiting rings 15. The internal material of the pipe body 11 is existing technology and can be purchased on the market. It is not considered as a technical protection point of this application. Therefore, no further details are provided.
[0026] Furthermore, the heat insulation ring pad 13 itself is designed to prevent freezing. Slide grooves are provided on both sides of the inner surface of the heat insulation ring pad 13. The positioning plate 12 is inserted into the slide grooves provided in the heat insulation ring pad 13, so as to achieve the positioning function of the positioning plate 12 through the slide grooves provided in the heat insulation ring pad 13.
[0027] Furthermore, the rubber gasket 14 is located between the insulation ring 13 and the threaded ring 16 for buffering. The rubber gasket 14 fills the space between the pipe body 11 and the limiting ring 15 to make them flexibly contact each other, thereby achieving elastic buffering through the rubber gasket 14.
[0028] Furthermore, threaded grooves are provided on both ends of the limiting ring 15, and one end of the threaded ring 16 is rotatably connected to the inside of the threaded groove of the limiting ring 15, so as to limit one end of the threaded ring 16 through the threaded groove of the limiting ring 15.
[0029] Furthermore, the limiting ring 15 is connected to the two sides of the fixing plate 17, the outer wall of the fixing plate 17 is fitted with the limiting frame 18, the top outer wall of the limiting frame 18 is fitted with the fixing sleeve 19, and the two sides of the fixing sleeve 19 are fitted with limiting screws 20, so as to limit the fixing plate 17, the limiting frame 18 and the fixing sleeve 19 through the limiting screws 20.
[0030] Furthermore, the limiting rings 15 are configured as two sets and respectively sleeved on the outer walls of the rubber pad rings 14 on both sides. The fixing plates 17 are respectively connected to the two sets of one side surfaces of the limiting rings 15. The fixing plates 17 are inserted into the limiting frame 18 and slidably connected to the limiting frame 18, so that the limiting frame 18 can position the fixing plates 17.
[0031] Furthermore, grooves are provided on both sides of the surface of the fixing sleeve 19, through holes are provided on both sides of the surface of the limiting frame 18, and threaded holes are provided on the surface of the fixing plate 17. One end of the limiting screw 20 passes through the grooves in the fixing sleeve 19 and the through holes in the limiting frame 18 and is rotatably connected to the threaded hole in the fixing plate 17, so as to limit the fixing plate 17 by means of the limiting screw 20.
[0032] Working principle: When protecting PE pipes against freezing cracks, the insulation ring 13 is fitted onto the outer surface of the positioning plate 12 to position it. Then, the rubber gasket 14 is fitted onto the outer walls of both ends of the positioning plate 12 to limit the insulation ring 13. Next, the limiting ring 15 is fitted onto the outer surface of the rubber gasket 14 to buffer the pipe body 11 and the limiting ring 15. Then, one end of the threaded ring 16 is rotatably connected to the threaded groove of the limiting ring 15 to limit the pipe body 11. The rubber gasket 14 makes flexible contact between the insulation ring 13 and the threaded ring 16, thereby achieving protection against freezing cracks for the pipe body 11.
[0033] When assembling PE pipes with anti-freeze cracking structure, the fixing plate 17 is inserted into the limiting frame 18, and the limiting frame 18 is used to position the fixing plate 17, thereby limiting the two sides of the limiting ring 15. Then, the fixing sleeve 19 is sleeved on the outer walls of both ends of the limiting frame 18, and the fixing sleeve 19 is used to limit the two ends of the fixing plate 17. Then, one end of the limiting screw 20 is passed through the groove opened in the fixing sleeve 19 and the through hole opened in the limiting frame 18 and rotated into the threaded hole opened in the fixing plate 17, connecting and fixing the fixing plate 17, the limiting frame 18 and the fixing sleeve 19, thereby realizing the assembly function of the limiting ring 15.
[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A PE pipe with a frost-crack resistant structure, comprising a pipe body (11), characterized in that: The pipe body (11) is connected to two sides by positioning plates (12). The outer wall of the positioning plate (12) is fitted with a heat insulation ring gasket (13). The two ends of the heat insulation ring gasket (13) are abutted by rubber gasket rings (14). The outer wall of the rubber gasket ring (14) is fitted with a limit ring (15). The two ends of the limit ring (15) are rotatably connected with threaded rings (16).
2. The PE pipe with anti-freeze crack structure according to claim 1, characterized in that: The heat-insulating ring pad (13) is itself designed to prevent freezing. The inner surface of the heat-insulating ring pad (13) has grooves on both sides. The positioning plate (12) is inserted into the grooves of the heat-insulating ring pad (13).
3. A PE pipe with a frost-crack resistant structure according to claim 1, characterized in that: The rubber pad ring (14) is located between the insulation ring (13) and the threaded ring (16) for buffering, and the rubber pad ring (14) fills between the pipe body (11) and the limiting ring (15) to make the two in flexible contact.
4. A PE pipe with an anti-freeze crack structure according to claim 1, characterized in that: The limiting ring (15) has threaded grooves on both ends of its surface, and one end of the threaded ring (16) is rotatably connected to the inside of the threaded groove of the limiting ring (15).
5. A PE pipe with an anti-freeze crack structure according to claim 1, characterized in that: The limiting ring (15) is connected to a fixing plate (17) on both sides. The outer wall of the fixing plate (17) is fitted with a limiting frame (18). The top outer wall of the limiting frame (18) is fitted with a fixing sleeve (19). The fixing sleeve (19) is inserted with limiting screws (20) on both sides.
6. A PE pipe with an anti-freeze crack structure according to claim 5, characterized in that: The limiting ring (15) is configured in two sets and is respectively sleeved on the outer walls of the two sides of the rubber pad ring (14). The fixing plate (17) is respectively connected to the two sets of one side surfaces of the limiting ring (15). The fixing plate (17) is inserted into the limiting frame (18) and is slidably connected to the limiting frame (18).
7. A PE pipe with a frost-crack resistant structure according to claim 5, characterized in that: The fixed sleeve (19) has grooves on both sides of its surface, the limiting frame (18) has through holes on both sides of its surface, the fixed plate (17) has threaded holes on its surface, and one end of the limiting screw (20) passes through the grooves in the fixed sleeve (19) and the through holes in the limiting frame (18) and is rotatably connected to the threaded hole in the fixed plate (17).