Pipeline connecting assembly and plastic pipeline
By designing a movable connecting sleeve and collar structure on the plastic pipe, combined with the deformation and fixation of the conical surface and elastic block, the problem of cumbersome connection operation of traditional plastic pipes is solved, realizing convenient installation and disassembly, adapting to connections of different distances, and improving sealing and stability.
Patent Information
- Application Number
- CN202520591536.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-01
AI Technical Summary
Traditional plastic pipe connection operations are cumbersome, especially when the pipes are in fixed positions and the distance is large, welding is inconvenient and it is difficult to achieve convenient installation and disassembly.
The system employs a movable connecting sleeve and collar structure, utilizing the deformation of the conical surface and elastic block for fixation, and adjusting the flange distance through the cooperation of screws and nuts to achieve rapid connection and disassembly of pipelines.
It enables convenient installation and disassembly of pipe connections, improves connection efficiency, adapts to pipe connections of different distances, and enhances sealing and stability.
Smart Images

Figure CN223806810U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline connection technical field, concretely is a pipeline connection assembly and plastic pipeline. BACKGROUND
[0002] The plastic pipeline connection assembly is used for connecting, installing and fixing various fittings and components of the plastic pipeline. These connection assemblies are usually made of the same or similar plastic materials to ensure the sealing and stability of the connection. Common plastic pipeline connection assemblies include pipe joints (such as elbows, tees, wyes, etc.), pipe caps, pipe buckles, pipe clamps, valves, etc., which play an important role in the installation and use process, ensuring the normal operation and sealing of the pipeline system.
[0003] However, the traditional pipeline connection is connected by welding a flange at one end of the pipeline, which is cumbersome to operate. In some specific situations, the positions of the two connected pipelines are fixed, and the distance between the connection ends is large, making the welding operation inconvenient. To solve the above problems, the inventors propose a pipeline connection assembly and plastic pipeline. SUMMARY
[0004] To solve the problems of convenient installation and disassembly of the plastic pipeline connector and the expansion of the connector, the utility model aims to provide a pipeline connection assembly and plastic pipeline.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a pipeline connection assembly and plastic pipeline, comprising pipeline one and pipeline two, the end of the pipeline one and the pipeline two close to each other is movably sleeved with a connecting barrel two and a connecting barrel one respectively, the end of the connecting barrel one and the connecting barrel two away from each other is fixedly connected with a connecting ring, the side of the pipeline one and the pipeline two close to the connecting ring is provided with a sleeve ring, the sleeve ring is movably sleeved on the outside of the pipeline one and the pipeline two respectively, the inside of the bottom of the connecting ring and the sleeve ring is set as a conical surface, the elastic block is arranged between the connecting ring and the sleeve ring, the elastic block is movably sleeved on the outside of the pipeline one and the pipeline two respectively, the end of the pipeline one and the pipeline two close to the connecting barrel two and the connecting barrel one is provided with a sealing ring one between the inner wall of the connecting barrel two and the connecting barrel one.
[0006] Preferably, the outside of the connecting barrel one and the connecting barrel two is fixedly connected with the fixed block which is centrally symmetric, the rotating block is rotatably connected between the two fixed blocks, the side of the rotating block is fixedly connected with the screw rod one, the side of the connecting ring and the sleeve ring is provided with the clamping groove which is centrally symmetric, the screw rod one is movably clamped between the corresponding two clamping grooves, the outside of the end of the screw rod one away from the rotating block is threadedly connected with the nut one.
[0007] Preferably, flange 1 is fixedly connected to the side of connecting cylinder 1 and connecting cylinder 2 that are close to each other. A connecting pipe is slidably engaged on the side of connecting cylinder 2 away from pipe 1. Flange 2 is fixedly connected to the end of connecting pipe away from flange 1. A centrally symmetrically distributed screw 2 is fixedly connected to the side of flange 2 that is close to flange 1. The end of screw 2 away from flange 2 moves through flange 1. Nut 3 and nut 4 are threadedly connected to the outside of screw 2. Nut 3 and nut 4 are located on both sides of flange 1, respectively.
[0008] Preferably, one side of one of the flanges is provided with bolts that are centrally symmetrically distributed, one end of the bolts movably passing through flange one and flange two and being threadedly connected to nut five.
[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0010] 1. By fitting connecting cylinder 2 and connecting cylinder 1 onto the outer side of one end of pipe 1 and pipe 2 respectively, and then movably fitting the collar onto the outer side of pipe 1 and pipe 2, aligning the slots, and then engaging screw 1 into the corresponding slots, and tightening nut 1, the connecting ring and collar compress the elastic block. The conical surface guides the deformation of the elastic block. During the compression process, the elastic block deforms downwards, thus tightly fitting the elastic block with pipe 1 and pipe 2 respectively, thereby fixing the position of connecting cylinder 1 and connecting cylinder 2. Installation and disassembly are convenient and quick, further improving the efficiency of pipe connection.
[0011] 2. By coordinating the tightening of screw two and nut three, the distance between flange two and flange one can be adjusted according to the distance between the pipe connection ends, which can adapt to the connection between two pipes at different distances, further improving the application range of the equipment. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the overall disassembled structure of this utility model.
[0015] Figure 3 This is a schematic diagram of the partially disassembled structure of this utility model.
[0016] Figure 4 This is a partial sectional view of the present invention.
[0017] In the diagram: 1. Pipe 1; 2. Pipe 2; 3. Connecting cylinder 1; 4. Connecting cylinder 2; 5. Connecting ring; 6. Collar; 7. Conical surface; 8. Elastic block; 9. Fixed block; 10. Rotating block; 11. Screw 1; 12. Nut 1; 13. Flange 1; 14. Connecting pipe; 15. Flange 2; 16. Screw 2; 17. Nut 3; 18. Nut 4; 19. Sealing ring 1; 20. Slot; 21. Mounting slot; 22. Sealing ring 2; 23. Bolt; 24. Nut 5. Detailed Implementation
[0018] 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.
[0019] Example: Figures 1-4 As shown, this utility model provides a pipe connection assembly and a plastic pipe, including a pipe 1 and a pipe 2. Connecting cylinder 2 4 and connecting cylinder 3 are movably sleeved at the ends of pipe 1 and pipe 2 that are close to each other. Connecting ring 5 is fixedly connected to the ends of connecting cylinder 3 and connecting cylinder 4 that are far from each other. A collar 6 is provided on the side of pipe 1 and pipe 2 near the connecting ring 5. The collar 6 is movably sleeved on the outside of pipe 1 and pipe 2. The inner side of the bottom of the connecting ring 5 and the collar 6 is provided as a conical surface 7. An elastic block 8 is provided between the connecting ring 5 and the collar 6. The elastic block 8 is movably sleeved on the outside of pipe 1 and pipe 2.
[0020] Both connecting cylinder 3 and connecting cylinder 4 are fixedly connected to the outer sides of a centrally symmetrically distributed fixing block 9. A rotating block 10 is rotatably connected between the two fixing blocks 9. A screw 11 is fixedly connected to one side of each rotating block 10. The sides of the connecting ring 5 and the collar 6 are provided with centrally symmetrically distributed slots 20. The screw 11 is movably engaged between the corresponding two slots 20. A nut 12 is threadedly connected to the outer side of the end of the screw 11 away from the rotating block 10.
[0021] By adopting the above technical scheme, when the connecting barrel one 3 and the connecting barrel two 4 are installed to the pipeline two 2 and one end of the pipeline one 1, the elastic block 8 is extruded by the connecting ring 5 and the sleeve ring 6 through clamping the screw rod one 11 to the inside of the corresponding two clamping grooves 20 and tightening the nut one 12, the deformation of the elastic block 8 is guided by the conical surface 7, the elastic block 8 is deformed downward in the extrusion process, so that the elastic block 8 is tightly attached to the pipeline one 1 and the pipeline two 2 respectively, thereby fixing the positions of the connecting barrel one 3 and the connecting barrel two 4.
[0022] The connecting barrel one 3 and the connecting barrel two 4 are fixedly connected with the flange one 13 on the side close to each other, the connecting pipe 14 is slidingly clamped in the inside of the connecting barrel two 4 away from the pipeline one 1, the flange two 15 is fixedly connected with the screw rod two 16 distributed in the center symmetrically on the side close to the flange one 13, the screw rod two 16 is movably penetrated through the flange one 13 on the end away from the flange two 15, the nut three 17 and the nut four 18 are threadedly connected to the outside of the screw rod two 16, and the nut three 17 and the nut four 18 are respectively located on the two sides of the flange one 13.
[0023] By adopting the above technical scheme, when the distance between the flange two 15 and the flange one 13 needs to be adjusted, the distance between the flange two 15 and the flange one 13 is adjusted by tightening the screw rod two 16 and the nut three 17 in coordination, which can adapt to the connection between two pipelines with different distances.
[0024] The flange two 15 and the flange one 13 opposite to each other are provided with the installation groove 21 on the side, and the sealing ring two 22 is placed in the inside of the installation groove 21.
[0025] By adopting the above technical scheme, the sealing ring two 22 is arranged to improve the sealing performance of the connection between the flange two 15 and the flange one 13.
[0026] The flange one 13 is provided with the screw bolt 23 distributed in the center symmetrically on the side, the screw bolt 23 is movably penetrated through the flange one 13 and the flange two 15 on the end and is threadedly connected with the nut five 24.
[0027] By adopting the above technical scheme, the relative position of the flange one 13 and the flange two 15 is fixed by movably penetrating the screw bolt 23 through the corresponding flange one 13 and the flange two 15 and tightening the nut five 24.
[0028] The sealing ring one 19 is arranged between the inner wall of the connecting barrel two 4 and the connecting barrel one 3 and the end of the pipeline one 1 and the pipeline two 2 close to the connecting barrel two 4 and the connecting barrel one 3.
[0029] By adopting the technical scheme, the sealing ring 19 is arranged, so that the sealing performance of the connection between the pipeline 1 and the pipeline 2 and the connection barrel 3 and the connection barrel 4 is improved.
[0030] Working principle: when the plastic pipelines are connected, the connection barrel two 4 and the connection barrel one 3 are respectively sleeved to the outer side of one end of the pipeline one 1 and the pipeline two 2, then the sleeve ring 6 is movably sleeved to the outer side of the pipeline one 1 and the pipeline two 2, and the position of the clamping groove 20 is corresponded, then the screw rod one 11 is clamped to the inside of the two corresponding clamping grooves 20, the nut one 12 is tightened, the connecting ring 5 and the sleeve ring 6 extrude the elastic block 8, the conical surface 7 guides the deformation of the elastic block 8, in the extrusion process, the elastic block 8 is deformed downward, so that the elastic block 8 is tightly attached to the pipeline one 1 and the pipeline two 2 respectively, and then the position of the connection barrel one 3 and the connection barrel two 4 is fixed.
[0031] And through the coordinated cooperation between the screw rod two 16 and the nut three 17, the distance between the flange two 15 and the flange one 13 is adjusted according to the distance between the pipeline connection ends, so that the connection between the two pipelines with different distances can be adapted.
[0032] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.
Claims
1. A pipe connection assembly and plastic pipe comprising a pipe one (1) and a pipe two (2), characterized in that: The pipe one (1) and the pipe two (2) are movably sleeved with the connecting barrel two (4) and the connecting barrel one (3) at one end close to each other, the connecting barrel one (3) and the connecting barrel two (4) are fixedly connected with the connecting ring (5) at one end away from each other, the pipe one (1) and the pipe two (2) are provided with the sleeve ring (6) on the side close to the connecting ring (5), the sleeve ring (6) is movably sleeved on the outer side of the pipe one (1) and the pipe two (2), the inner side of the bottom of the connecting ring (5) and the sleeve ring (6) is arranged into a tapered surface (7), the elastic block (8) is movably sleeved on the outer side of the pipe one (1) and the pipe two (2) and arranged between the connecting ring (5) and the sleeve ring (6).
2. A pipe coupling assembly and plastic pipe as defined in claim 1, wherein, The outer side of the connecting barrel one (3) and the connecting barrel two (4) is fixedly connected with the fixed block (9) distributed in the center, the rotating block (10) is rotatably connected between the two fixed blocks (9), the screw rod one (11) is fixedly connected on one side of the rotating block (10), the side surface of the connecting ring (5) and the sleeve ring (6) is provided with the clamping groove (20) distributed in the center, the screw rod one (11) is movably clamped between the corresponding two clamping grooves (20), the outer side of the screw rod one (11) away from the rotating block (10) is threadedly connected with the nut one (12).
3. A plumbing coupling assembly and plastic plumbing pipe as defined in claim 1, wherein, The connecting barrel one (3) and the connecting barrel two (4) are fixedly connected with the flange one (13) on the side close to each other, the connecting pipe (14) is movably clamped on the inner side of the connecting barrel two (4) away from the pipe one (1), the flange two (15) is fixedly connected on the end of the connecting pipe (14) away from the flange one (13), the flange two (15) is fixedly connected with the screw rod two (16) distributed in the center on the side close to the flange one (13), the screw rod two (16) is movably penetrated through the flange one (13) on the end away from the flange two (15).
4. A pipe coupling assembly and plastic pipe as defined in claim 3, wherein, The outer side of the screw rod two (16) is threadedly connected with the nut three (17) and the nut four (18), the nut three (17) and the nut four (18) are respectively located on the two sides of the flange one (13).
5. A plumbing coupling assembly and plastic plumbing pipe as defined in claim 3, wherein, The flange two (15) and the flange one (13) opposite to each other are provided with the mounting groove (21) on the side, the sealing ring two (22) is placed in the inner side of the mounting groove (21).
6. A plumbing coupling assembly and plastic plumbing pipe as defined in claim 3, wherein, The flange one (13) is provided with the bolt (23) distributed in the center on the side, the bolt (23) is movably penetrated through the flange one (13) and the flange two (15) and threadedly connected with the nut five (24) on one end.
7. A plumbing coupling assembly and plastic plumbing pipe as defined in claim 1, wherein, The pipe one (1) and the pipe two (2) are respectively provided with the sealing ring one (19) between the end close to the connecting barrel two (4) and the connecting barrel one (3) and the inner wall of the connecting barrel two (4) and the connecting barrel one (3).