Low-temperature high-toughness polyethylene water supply pipe with quick connector

Through the design of quick connectors, the use of threaded connection and extrusion sealing structure solves the problems of time-consuming and labor-intensive installation and poor sealing of polyethylene water supply pipes, and achieves convenient installation and high-sealing connection.

CN223360208UActive Publication Date: 2025-09-19EVOLUTION OF YUNNAN PIPE TECH CO LTD
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Patent Information

Application Number
CN202423038809.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-09-19
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing polyethylene water supply pipes require specific tools for threaded fixation when connected, making installation time-consuming and labor-intensive, and the single plug-in quick-connect structure cannot achieve high sealing performance.

Method used

It adopts quick connector design, including main butt joint, movable sleeve, snap-on ball, top screw and sealing rubber ring and other components, and realizes convenient installation and high sealing through threaded connection and extrusion seal.

Benefits of technology

It realizes convenient installation and high-sealing connection of polyethylene water supply pipes, improving installation efficiency and sealing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-temperature high-toughness polyethylene water supply pipe with a quick connector, which relates to the field of water supply pipes and comprises a main butt joint pipe, a movable outer sleeve is horizontally sleeved on the outer side edge of the main butt joint pipe, clamping ball bodies are uniformly clamped on the inner side edge of the main butt joint pipe, one end of the main butt joint pipe is in threaded connection with a top joint screw pipe, and the other end of the main butt joint pipe is in threaded connection with a bottom joint screw pipe. A rotating end ring is fixedly welded to one end of the top connection screw pipe, a main pipeline is inserted into one end of the main butt joint pipe, a butt joint pipe head is horizontally inserted into the end, away from the rotating end ring, of the main butt joint pipe, a matched clamping groove is formed in the outer side edge of the butt joint pipe head, and a butt joint end block is fixedly welded to one end of the butt joint pipe head. A clamping ring groove is formed in the end, away from the rotating end ring, of the top-connection screw pipe, a butt joint ring is in butt joint with the end, away from the rotating end ring, of the top-connection screw pipe, a direct butt-insertion structure is adopted for installation, installation and use are more convenient, and meanwhile the butt-insertion installation sealing performance is better under the extrusion sealing structure.
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Description

Technical Field

[0001] The utility model relates to the technical field of water supply pipes, in particular to a low-temperature and high-toughness polyethylene water supply pipe with a quick joint. Background Art

[0002] HDPE water pipes are made of high-density polyethylene. They are an alternative to traditional steel pipes and polyvinyl chloride drinking water pipes, offering excellent performance and a wide range of applications.

[0003] When current polyethylene water supply pipes are connected and used, they are fixed through fixed threaded joints, which requires specific tools to rotate and fix the thread heads during installation, making the connection time-consuming and labor-intensive, affecting the quick-connect and quick-disconnect effect. In addition, the single plug-in quick-connect structure causes large internal gaps and cannot form a high sealing effect. Utility Model Content

[0004] The purpose of the present utility model is to provide a low-temperature and high-toughness polyethylene water supply pipe with a quick connector, so as to solve the problem proposed in the above background technology that the current polyethylene water supply pipe is fixedly connected by a fixed threaded fixed connector when connected and used, resulting in the need for specific tools to rotate and fix the thread head during installation, making the connection more time-consuming and labor-intensive, affecting the quick connection and quick release effect, and the single plug-in quick connection structure makes the internal gap larger and cannot form a high sealing effect.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A low-temperature, high-toughness polyethylene water supply pipe with a quick connector comprises a main butt joint, wherein the outer side of the main butt joint is horizontally sleeved with a movable outer sleeve, the inner side of the main butt joint is evenly clamped with clamping balls, one end of the main butt joint is threadedly connected to a top screw pipe, one end of the top screw pipe is fixedly welded with a rotating end ring, one end of the main butt joint is plugged into a main pipeline, the main butt joint is horizontally plugged into a butt joint head at the end away from the rotating end ring, a matching clamping groove is provided on the outer side of the butt joint head, one end of the butt joint head is fixedly welded with a butt joint end block, the top screw pipe is provided with a clamping ring groove at the end away from the rotating end ring, and the top screw pipe is butt-jointed with a butt joint ring at the end away from the rotating end ring. A clamping end ring is fixedly welded on one side of the docking ring, and an extension rod is evenly welded on one side of the docking ring. An extrusion ring is welded on the end of the extension rod away from the clamping end ring. A sealing rubber ring is docked on one side of the extrusion ring. A fixed screw groove is provided at one end of the main docking tube, and an inner installation groove is provided on the inner side of the main docking tube. The inner side of the main docking tube is fixedly connected with an installation main pipe through a horizontal thread, and a sealing rubber layer is fixedly sleeved on the outer side of the installation main pipe. A through groove is evenly and horizontally provided on the inner side end of the fixed screw groove, and a movable groove is horizontally provided on the inner side of the movable sleeve. A fixed ring is welded on the outer side of the main docking tube, and a top spring is horizontally docked on one side of the fixed ring.

[0007] As a preferred embodiment of the present invention: both ends of the main docking tube are open, and the movable outer sleeve is sleeved on the outer side of multiple snap-fitting balls. There are multiple snap-fitting balls, and the multiple snap-fitting balls are all snap-fitted one by one inside the through groove on the inner side of the main docking tube near an open end, and the inner sides of the multiple snap-fitting balls are snap-fitted on the inner sides of the matching slots.

[0008] As a preferred embodiment of the present invention: one end of the top-connected screw pipe is horizontally threaded and fixedly connected to the inner side of the fixed screw groove, the rotating end ring is fixedly set at one end away from the fixed screw groove, one end of the main pipe is plugged into the inner side of the main docking pipe and the docking end block, and the plug-in end of the main pipe is set between the inner side of the inner mounting groove and the outer side of the mounting main pipe.

[0009] As a preferred embodiment of the present invention: one end of the insertion head is extended and sleeved on the outer side of one end of the installation main pipe, and the plug-in end is docked and arranged at one side edge of the sealing rubber ring, one end of the docking end block is docked and arranged at one end position of the main docking pipe, and the docking ring is clamped and arranged on the inner side edge of the fixing screw groove.

[0010] As a preferred embodiment of the present invention: one end of the clamping end ring is clamped on the inner side of the clamping ring groove, there are multiple extension rods, and the multiple extension rods are all horizontally inserted and arranged on the inner side of the through groove in a one-to-one corresponding manner, and the extrusion ring is clamped on the inner side of the main docking pipe.

[0011] As a preferred embodiment of the present invention: the outer side thread of one end of the installation main pipe and the inner side thread of the inner installation groove are threadedly fixedly connected to each other, the through grooves are arranged in a through-type equidistant ring, the interior of the through grooves is connected to the interior of the main docking pipe, the movable groove is sleeved on the outer side of the fixed ring, and one end of the top spring is horizontally docked on the inner end of the movable groove.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model inserts one end of the main pipe into the inner side of the main butt joint pipe, and then inserts the installation main pipe into the inside of the main butt joint pipe, so that the outer thread of the installation main pipe and the inner installation groove are threadedly fixedly connected with each other, and the inserting end of the main pipe is squeezed and fixedly connected during the threaded fixed connection, so that the main pipe is fixedly installed. After one end of the inserting head is inserted into the inside of the main butt joint pipe, the movable outer sleeve is pushed to squeeze and extend outward, and then the inner side of the inserting ball is inserted into the inner side of the matching slot, and the movable outer sleeve is pressed and connected under the top connection of the top spring after the hand is released. The movable sleeve is arranged on the outside of the clamping sphere to prevent movement, thereby forming a fixed installation operation for the insertion head. After the insertion and fixation, the rotating end ring is rotated, so that the top connecting screw at one end and the fixed screw groove are fixed with each other by threads, and the top connecting screw is squeezed horizontally toward the inside of the fixed screw groove, so that the ring at one end squeezes the extension rod to extend the process, and finally the extrusion ring drives the side sealing rubber ring to be squeezed and fixed on the edge of the insertion end of the insertion head for sealing operation. The direct insertion structure is used for installation, which makes installation and use more convenient, and at the same time, the extrusion sealing structure makes the insertion installation sealing better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a low-temperature, high-toughness polyethylene water supply pipe with a quick connector;

[0016] Figure 2 This is a structural diagram of the three-dimensional connection details of a top-connected spiral pipe with a quick connector and high-toughness polyethylene water supply pipe;

[0017] Figure 3 This is a structural diagram showing the front cross-sectional connection details of a main butt joint of a low-temperature, high-toughness polyethylene water supply pipe with a quick connector;

[0018] Figure 4 This is a structural diagram showing the internal cross-sectional connection details of a main butt joint of a low-temperature, high-toughness polyethylene water supply pipe with a quick connector;

[0019] Figure 5 This is a structural schematic diagram of the three-dimensional connection details of a low-temperature, high-toughness polyethylene water supply pipe with a quick connector.

[0020] In the figure: 1. Main butt joint pipe; 2. Movable outer sleeve; 3. Snap-fit ​​ball; 4. Top screw pipe; 5. Rotating end ring; 6. Main pipe; 7. Pipe head; 8. Matching slot; 9. Butt joint end block; 10. Snap ring slot; 11. Butt joint ring; 12. Snap-fit ​​end ring; 13. Extension rod; 14. Extrusion ring; 15. Sealing rubber ring; 16. Fixed screw groove; 17. Inner mounting groove; 18. Mounting main pipe; 19. Sealing rubber layer; 20. Through groove; 21. Movable groove; 22. Fixed ring; 23. Top spring. DETAILED DESCRIPTION

[0021] See also Figure 1 In the embodiment of the present invention, a low-temperature and high-toughness polyethylene water supply pipe with a quick connector includes a main butt joint 1, the outer side of the main butt joint 1 is horizontally sleeved with a movable outer sleeve 2, and the inner side of the main butt joint 1 is evenly clamped with a clamping ball 3. Both ends of the main butt joint 1 are open, and the movable outer sleeve 2 is sleeved on the outer side of multiple clamping balls 3. The number of clamping balls 3 is multiple, and the multiple clamping balls 3 are all correspondingly clamped and arranged inside the through groove near an open end on the inner side of the main butt joint 1. The inner sides of the multiple clamping balls 3 are clamped and arranged on the inner side of the matching clamping groove 8. One end of the main butt joint 1 is threadedly connected with a top screw pipe 4, and one end of the top screw pipe 4 is fixedly welded with a rotating end ring 5. One end of the main butt joint 1 is plugged with a main pipe 6. The top screw pipe 4 is horizontally threaded and fixedly connected to the inner side of the fixed screw groove 16, and the rotating end ring 5 is fixedly set at an end position away from the fixed screw groove 16. One end of the main pipe 6 is plugged into the inner side of the main butt pipe 1 and the butt end block 9, and the plug-in end of the main pipe 6 is set between the inner side of the inner mounting groove 17 and the outer side of the installation main pipe 18. The main butt pipe 1 is horizontally plugged with a butt pipe head 7 at the end away from the rotating end ring 5. A matching card groove 8 is provided on the outer side of the butt pipe head 7. One end of the butt pipe head 7 is fixedly welded with a butt end block 9. One end of the butt pipe head 7 is extended and sleeved and set at the outer side of one end of the installation main pipe 18, and the plug-in end is butt-jointed and set at one side edge position of the sealing rubber ring 15. One end of the butt end block 9 is butt-jointed and set at one end position of the main butt pipe 1;

[0022] See also Figure 2-5 The cam 11 is connected to the pipe 16 by a screw thread 12 and a screw thread 13. The cam 11 is connected to the pipe 16 by a screw thread 12 and a screw thread 13 is connected to the pipe 16 by a screw thread 13. The cam 11 is connected to the pipe 16 by a screw thread 12. The cam 11 is connected to the pipe 16 by a screw thread 12. The cam 11 is connected to the pipe 16 by a screw thread 12. The cam 11 is connected to the pipe 16 by a screw thread 12. The cam 11 is connected to the pipe 16 by a screw thread 12. 1 is provided with a fixing screw groove 16 at one end, and an inner mounting groove 17 is provided on the inner side of the main butt joint pipe 1. The inner side edge of the main butt joint pipe 1 is horizontally threaded and fixedly connected with a mounting main pipe 18, and the outer side edge of the mounting main pipe 18 is fixedly sleeved with a sealing rubber layer 19. The inner side end of the fixing screw groove 16 is horizontally and evenly provided with a through groove 20, and the inner side edge of the movable sleeve 2 is horizontally provided with a movable groove 21. A fixing ring 22 is welded on the outer side of the main butt joint pipe 1, and one side edge of the fixing ring 22 is horizontally docked with a top spring 23. The outer side edge thread of one end of the mounting main pipe 18 and the inner thread of the inner mounting groove 17 are threadedly fixed to each other. The through grooves 20 are all arranged in a through-type equidistant annular arrangement, and the interior of the through groove 20 is connected to the interior of the main butt joint pipe 1. The movable groove 21 is sleeved on the outer side edge of the fixing ring 22, and one end of the top spring 23 is horizontally docked on the inner end of the movable groove 21.

[0023] The working principle of this utility model is:

[0024] Insert one end of the main pipe 6 into the inner side of the main butt joint 1, and then insert the installation main pipe 18 into the inside of the main butt joint 1, so that the outer thread of the installation main pipe 18 and the inner installation groove 17 are threadedly fixedly connected to each other, and the plug-in end of the main pipe 6 is squeezed and fixedly connected in the threaded fixed connection to form a fixed installation operation of the main pipe 6. Insert one end of the cannula head 7 into the inside of the main butt joint 1, and after pushing the movable jacket 2, a plurality of card-jointing balls 3 are squeezed and extended outward, and then the inner side of the card-jointing balls 3 is card-joined and set on the inner side of the matching card groove 8. On the other hand, after the hand is released, the top spring 23 is connected to the movable sleeve 2 so that the movable sleeve is set on the outside of the card ball 3 to prevent movement, forming a fixed installation operation for the cannula head 7. After the plug is fixed, the rotating end ring 5 is rotated, so that the top screw tube 4 at one end and the fixed screw groove 16 are threadedly fixed with each other, and the top screw tube 4 is horizontally squeezed toward the inside of the fixed screw groove 16, so that the ring 11 at one end squeezes the extension rod 13 to extend the process, and finally the extrusion ring 14 drives the side sealing rubber ring 15 to be squeezed and fixed on the edge of the plug-in end of the cannula head 7 to perform a sealing operation.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A low-temperature, high-toughness polyethylene water supply pipe with a quick connector, comprising a main butt joint (1), characterized in that: The outer side of the main butt joint pipe (1) is horizontally sleeved with a movable outer sleeve (2), the inner side of the main butt joint pipe (1) is evenly clamped with a clamping ball (3), one end of the main butt joint pipe (1) is threadedly connected to a top screw pipe (4), one end of the top screw pipe (4) is fixedly welded with a rotating end ring (5), one end of the main butt joint pipe (1) is plugged with a main pipe (6), and the main butt joint pipe (1) is horizontally plugged at the end away from the rotating end ring (5). There is a pair of cannula heads (7), the outer side of the pair of cannula heads (7) is provided with a matching card groove (8), one end of the pair of cannula heads (7) is fixedly welded with a docking end block (9), the top-connected screw tube (4) is provided with a snap ring groove (10) at the end away from the rotating end ring (5), the top-connected screw tube (4) is docked with a docking ring (11) at the end away from the rotating end ring (5), and one side of the docking ring (11) is fixedly welded with a snap-fit ​​end ring (12) An extension rod (13) is uniformly welded on one side of the docking ring (11), and an extrusion ring (14) is welded on the end of the extension rod (13) away from the clamping end ring (12). A sealing rubber ring (15) is docked on one side of the extrusion ring (14). A fixing screw groove (16) is provided on one end of the main docking pipe (1), and an inner installation groove (17) is provided on the inner side of the main docking pipe (1). The inner side of the main docking pipe (1) is horizontally threaded and fixedly connected to the installation main pipe (18). The outer side of the installation main pipe (18) is fixedly sleeved with a sealing rubber layer (19). A through groove (20) is uniformly and horizontally provided on the inner side end of the fixing screw groove (16). A movable groove (21) is horizontally provided on the inner side of the movable outer sleeve (2). A fixing ring (22) is welded on the outer side of the main docking pipe (1), and a top spring (23) is horizontally docked on one side of the fixing ring (22).

2. The low-temperature and high-toughness polyethylene water supply pipe with a quick connector according to claim 1, characterized in that: Both ends of the main butt joint tube (1) are open, and the movable outer sleeve (2) is sleeved on the outer side of a plurality of snap-fit ​​balls (3). The number of snap-fit ​​balls (3) is multiple, and the plurality of snap-fit ​​balls (3) are snap-fitted one by one inside a through groove on the inner side of the main butt joint tube (1) near an open end, and the inner sides of the plurality of snap-fit ​​balls (3) are snap-fitted on the inner side of the matching snap-fit ​​groove (8).

3. The low-temperature and high-toughness polyethylene water supply pipe with a quick connector according to claim 1, characterized in that: One end of the top connecting screw pipe (4) is fixedly connected to the inner side of the fixed screw groove (16) by a horizontal thread, and the rotating end ring (5) is fixedly arranged at an end position away from the fixed screw groove (16). One end of the main pipe (6) is plugged into the inner side of the main butt joint pipe (1) and the butt joint end block (9), and the plug-in end of the main pipe (6) is arranged between the inner side of the inner installation groove (17) and the outer side of the installation main pipe (18).

4. The low-temperature and high-toughness polyethylene water supply pipe with a quick connector according to claim 1, characterized in that: One end of the butt plug head (7) is extended and sleeved to be arranged on the outer side of one end of the installation main pipe (18), and the plug end is butt-jointed to one side of the sealing rubber ring (15), one end of the butt-jointed end block (9) is butt-jointed to one end of the main butt-jointed pipe (1), and the butt-jointed ring (11) is clamped to the inner side of the fixing screw groove (16).

5. The low-temperature and high-toughness polyethylene water supply pipe with a quick connector according to claim 1, characterized in that: One end of the clamping end ring (12) is clamped and arranged on the inner side of the clamping ring groove (10), the number of the extension rods (13) is multiple, and the multiple extension rods (13) are all horizontally inserted and arranged on the inner side of the through groove (20) in a one-to-one corresponding manner, and the extrusion ring (14) is clamped and arranged on the inner side of the main butt joint pipe (1).

6. The low-temperature and high-toughness polyethylene water supply pipe with a quick connector according to claim 1, characterized in that: The outer side thread of one end of the mounting main pipe (18) and the inner side thread of the inner mounting groove (17) are threadedly fixedly connected to each other, the through grooves (20) are all arranged in a through-type equidistant annular arrangement, the interior of the through grooves (20) is kept in communication with the interior of the main docking pipe (1), the movable groove (21) is sleeved on the outer side of the fixed ring (22), and one end of the top spring (23) is horizontally docked at the inner end of the movable groove (21).