Quick splicing device for pipelines
By combining heating and softening with threaded connection, the problem of weakened sealing of UPVC chemical pipe splicing device is solved, realizing heat fusion and tight connection between UPVC chemical pipe and internal end, thus improving sealing and tightness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-20
AI Technical Summary
Existing rapid splicing devices, during the splicing of UPVC chemical pipes, gradually weaken their sealing performance over time, leading to water leakage and seepage problems.
The inner end is heated by a heating ring to soften it, and then combined with external pressure to achieve heat fusion bonding between the inner wall of the UPVC chemical pipe and the outer wall of the inner end. Finally, it is fixed by threaded connection to ensure airtightness.
It improves the sealing and tightness of UPVC chemical pipes and internal connections, preventing water leakage and maintaining a good sealing effect over time.
Smart Images

Figure CN224017913U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to UPVC chemical industry pipe splicing technical field, specifically a kind of quick splicing device for pipeline. BACKGROUND
[0002] UPVC chemical industry pipe is a kind of plastic pipe, mainly used in various applications in chemical industry, the product with polyvinyl chloride resin as carrier, when weakening the attractive force between resin molecular chain, it has excellent properties such as temperature sensing accurate, timed melting, rapidly absorbing the effective component of additive, when the two UPVC chemical industry pipes are spliced, quick splicing device needs to be used.
[0003] One of the Chinese patents with the authorized announcement number CN 218625835 U discloses a kind of pipeline quick splicing device for heating and ventilation equipment assembly, including transition pipe, the both ends of transition pipe are provided with connecting assembly, each connecting assembly includes the rotating ring that is movably arranged on the outer lateral wall of transition pipe, the outer lateral wall of the both ends of transition pipe is all opened with external thread groove, the inner wall of each rotating ring is all opened with the internal thread groove used in cooperation with external thread groove, the both ends of transition pipe are all opened with insertion slot;The utility model is cooperated with the rotating ring, internal thread groove and external thread groove by being set, so that rotating ring can be installed and fixed to corresponding connecting pipe head on the process of rotation, to realize the quick splicing of connecting pipeline.
[0004] The existing quick splicing device is usually fixedly connected with UPVC chemical industry pipe by extrusion with external force during the process of splicing the two UPVC chemical industry pipes, but with the passage of time, the applied pressure gradually decreases, which can lead to water leakage and seepage, resulting in poor sealing of splicing device and UPVC chemical industry pipe;Therefore, a kind of quick splicing device for pipeline is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiencies of prior art and solve the problems in prior art, the utility model provides a kind of quick splicing device for pipeline.
[0006] The utility model discloses a technical scheme that solves its technical problem is a kind of quick splicing device for pipeline, including splicing pipe, the both ends of splicing pipe are symmetrically provided with pipe groove, UPVC chemical pipe is placed in pipe groove, the end portion of splicing pipe is external connection end head outside pipe groove, the end portion of splicing pipe is internal connection end head inside pipe groove, installation groove is set up on the inner wall of internal connection end head, assembly ring is fixedly installed on the inner wall of installation groove, the assembly ring is heat insulation material, assembly groove is set up in the assembly ring, heating ring is fixedly installed on the inner wall of assembly groove, heat conduction ring is installed on the inner wall of assembly groove, the heat conduction ring is stainless steel material, protective box is installed on the splicing pipe, control box is fixedly installed in the protective box, the control box is fixedly connected with two heating rings through internal circuit, control switch is installed on the control box, the protective box is rotatably connected with cover plate through hinge, rod seat is fixedly installed on the cover plate, first threaded hole is set up in the rod seat, screw rod is assembled in first threaded hole, knob is installed on the screw rod, second threaded hole is set up on the side wall of protective box, the second threaded hole corresponds with screw rod position, heating ring is heated to heat conduction ring, heat conduction ring is heated to internal connection end head, internal connection end head outer wall softening occurs, and extrusion pressure is pressed to UPVC chemical pipe inner wall and internal connection end head outer wall, then UPVC chemical pipe inner wall and internal connection end head outer wall cool to solidification, realize the hot melt solid joint of UPVC chemical pipe inner wall and internal connection end head outer wall, be favorable to improve the sealing property of splicing device and UPVC chemical pipe.
[0007] Preferably, four adjusting gaps are formed in the external connection end head, external threads are formed in the outer wall of the external connection end head, a fixing tube is sleeved around the external connection end head, internal threads are formed in the inner wall of the fixing tube, the end of the UPVC chemical pipe is inserted into the pipe groove of the splicing pipe, and then the fixing tube is screwed onto the external connection end head, in the process of screwing the fixing tube, the four adjusting gaps gradually decrease, the fixing tube extrudes the external connection end head, the external connection end head extrudes the UPVC chemical pipe, and the UPVC chemical pipe extrudes the internal connection end head, thereby achieving double extrusion splicing of the inner wall and the outer wall of the UPVC chemical pipe, and being favorable to improve the fastening property of the quick splicing device.
[0008] The utility model has the advantages that:
[0009] 1. The heating ring heats the heat conduction ring, the heat conduction ring heats the internal connection end head, the outer wall of the internal connection end head softens, and the extrusion pressure presses the inner wall of the UPVC chemical pipe and the outer wall of the internal connection end head, then the inner wall of the UPVC chemical pipe and the outer wall of the internal connection end head cool to solidification, thereby realizing the hot melt solid joint of the inner wall of the UPVC chemical pipe and the outer wall of the internal connection end head, and being favorable to improve the sealing property of the splicing device and the UPVC chemical pipe.
[0010] 2. The utility model discloses a UPVC chemical industry pipe end is inserted in the pipe groove of splicing pipe, then the fixed pipe is screwed on the external connection end, in the process of fixed pipe screwing, four adjusting gaps gradually reduce, and the fixed pipe extrudes the external connection end, and the external connection end extrudes the UPVC chemical industry pipe, and the UPVC chemical industry pipe extrudes the internal connection end, realizes the double extrusion splicing of UPVC chemical industry pipe inner wall and outer wall, is favorable for improving the fastening of quick splicing device. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0012] Figure 1 It is first perspective three-dimensional structure schematic diagram;
[0013] Figure 2 It is UPVC chemical industry pipe place three-dimensional structure schematic diagram;
[0014] Figure 3 It is heating ring place three-dimensional structure schematic diagram;
[0015] Figure 4 It is protective box three-dimensional structure schematic diagram;
[0016] Figure 5 It is fixed pipe three-dimensional structure schematic diagram.
[0017] In the drawing: 1, splicing pipe;2, pipe groove;3, UPVC chemical industry pipe;4, external connection end;5, internal connection end;6, installation groove;7, assembly ring;8, assembly groove;9, heating ring;10, heat conduction ring;11, protective box;12, control box;13, control switch;14, cover plate;15, rod seat;16, screw rod;17, knob;18, second screw hole;19, adjusting gap;20, external thread;21, fixed pipe;22, internal thread. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model, obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.
[0019] Please refer to Figures 1-5The utility model discloses a kind of quick splicing devices for pipeline, including splicing pipe 1, two ends of splicing pipe 1 are symmetrically provided with pipe groove 2, UPVC chemical pipe 3 is placed in pipe groove 2, the end of splicing pipe 1 located outside pipe groove 2 is external connection end 4, the end of splicing pipe 1 located inside pipe groove 2 is internal connection end 5, installation groove 6 is opened on the inner wall of internal connection end 5, assembly ring 7 is fixedly installed on the inner wall of installation groove 6, assembly ring 7 is heat insulation material, assembly groove 8 is opened in assembly ring 7, heating ring 9 is fixedly installed on the inner wall of assembly groove 8, heat conducting ring 10 is installed on the inner wall of assembly groove 8, heat conducting ring 10 is stainless steel material, protective box 11 is installed on splicing pipe 1, control box 12 is fixedly installed inside protective box 11, control box 12 is fixedly connected with two heating rings 9 by internal circuit, control switch 13 is installed on control box 12, cover plate 14 is rotatably connected on protective box 11 by hinge, lever seat 15 is fixedly installed on cover plate 14, first threaded hole is opened in lever seat 15, screw rod 16 is assembled in first threaded hole, knob 17 is installed on screw rod 16, second threaded hole 18 is opened on the side wall of protective box 11, second threaded hole 18 is position corresponding with screw rod 16, four groups of adjusting gaps 19 are opened on external connection end 4, external thread 20 is opened on the outer wall of external connection end 4, fixed pipe 21 is peripherally sleeved on external connection end 4, internal thread 22 is opened on the inner wall of fixed pipe 21;When working, the existing quick splicing device is spliced in the process of two UPVC chemical pipes 3, usually relies on extrusion to realize the fixed connection of splicing device and UPVC chemical pipe 3 by external force, but with the passage of time, the pressure applied gradually reduces, possibly leading to leakage, resulting in poor sealing of splicing device and UPVC chemical pipe 3, by inserting the end of UPVC chemical pipe 3 in pipe groove 2 of splicing pipe 1, then screwing fixed pipe 21 on external connection end 4, in the process of screwing fixed pipe 21, four adjusting gaps 19 gradually reduce, fixed pipe 21 extrudes external connection end 4, while external connection end 4 extrudes UPVC chemical pipe 3, realizing the fixed connection of external connection end 4 and UPVC chemical pipe 3;
[0020] Since UPVC chemical pipe 3 has certain elasticity, when external connection end 4 extrudes UPVC chemical pipe 3, UPVC chemical pipe 3 extrudes internal connection end 5, realizing double extrusion splicing of inner wall and outer wall of UPVC chemical pipe 3;
[0021] After that, by pressing the control switch 13, the control box 12 conducts electricity to the two heating rings 9 through the wires. When the current passes through the heating ring 9, the electrons inside the heating ring 9 collide with the atoms, causing the electric energy to be converted into heat energy, so that the heating ring 9 generates heat. The heating ring 9 heats the heat-conducting ring 10, and the heat-conducting ring 10 heats the inner connector 5. The heating time is 20-30 seconds. The spliced pipe 1 is also made of UPVC chemical pipe 3. The UPVC chemical pipe 3 is a kind of plastic pipe material, which will soften under high temperature. The outer wall of the inner connector 5 softens, and at the same time, the UPVC chemical pipe 3 extrudes the inner connector 5, that is, the inner wall of the UPVC chemical pipe 3 and the outer wall of the inner connector 5 are in close contact. The extrusion force presses the inner wall of the UPVC chemical pipe 3 and the outer wall of the inner connector 5, and then the inner wall of the UPVC chemical pipe 3 and the outer wall of the inner connector 5 cool to solidification, realizing the hot melt solid joint of the inner wall of the UPVC chemical pipe 3 and the outer wall of the inner connector 5. Then cover the cover plate 14, turn the knob 17, drive the screw rod 16 to rotate, and rotate the screw rod 16 into the second threaded hole 18 of the protection box 11, realizing the fixed connection of the cover plate 14 and the protection box 11. This structure realizes the sealing of the UPVC chemical pipe 3 and the inner connector 5. With the passage of time, the applied pressure gradually decreases, and there will be no water leakage. It is beneficial to improve the sealing of the splicing device and the UPVC chemical pipe 3.
[0022] Working principle, the existing quick splicing device in the process of splicing two UPVC chemical pipes 3, usually rely on external force to realize the fixed connection of splicing device and UPVC chemical pipe 3 by extrusion, but with the passage of time, the pressure applied gradually decreases, may cause the situation of leakage, cause the sealing of splicing device and UPVC chemical pipe 3 is poor, by the end of UPVC chemical pipe 3 is inserted in the pipe groove 2 of splicing pipe 1, then the fixed pipe 21 is screwed on the external end 4, in the process of screwing the fixed pipe 21, four adjusting gaps 19 gradually decrease, the fixed pipe 21 extrudes the external end 4, at the same time, the external end 4 extrudes the UPVC chemical pipe 3, realizes the fixed connection of the external end 4 and the UPVC chemical pipe 3; Because UPVC chemical pipe 3 has certain elasticity, therefore, when the external end 4 extrudes the UPVC chemical pipe 3, the UPVC chemical pipe 3 extrudes the inner end 5, realizes the double extrusion splicing of the inner wall and the outer wall of UPVC chemical pipe 3; Then press the control switch 13, the control box 12 is electrically connected to the two heating rings 9 through the wire, when the current passes through the heating ring 9, the electrons in the heating ring 9 collide with the atoms, which causes the electric energy to be converted into heat energy, so that the heating ring 9 generates heat, the heating ring 9 heats the heat conducting ring 10, the heat conducting ring 10 heats the inner end 5, the heating time is 20-30 seconds, the splicing pipe 1 is also UPVC chemical pipe 3 material, the UPVC chemical pipe 3 is a kind of plastic pipe, it will soften under high temperature, the outer wall of inner end 5 softens, at the same time, the UPVC chemical pipe 3 extrudes the inner end 5, that is, the inner wall of UPVC chemical pipe 3 and the outer wall of inner end 5 are in close contact, the extrusion force is pressed to the inner wall of UPVC chemical pipe 3 and the outer wall of inner end 5, then the inner wall of UPVC chemical pipe 3 and the outer wall of inner end 5 are cooled to solidification, realize the hot melt solid joint of the inner wall of UPVC chemical pipe 3 and the outer wall of inner end 5; Then cover the cover plate 14, rotate the knob 17, drive the screw rod 16 to rotate, screw the screw rod 16 into the second threaded hole 18 in the protection box 11, realize the fixed connection of the cover plate 14 and the protection box 11, this structure realizes the sealing of UPVC chemical pipe 3 and inner end 5, with the passage of time, when the situation of gradually reducing the pressure applied occurs, the situation of leakage does not appear, which is beneficial to improve the sealing of splicing device and UPVC chemical pipe 3.
[0023] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A quick-connection device for pipes, characterized in that: The system includes a splicing pipe (1), with symmetrically arranged pipe grooves (2) at both ends. A UPVC chemical pipe (3) is placed inside the pipe grooves (2). The end of the splicing pipe (1) located outside the pipe grooves (2) is an external end (4), and the end of the splicing pipe (1) located inside the pipe grooves (2) is an internal end (5). An installation groove (6) is provided on the inner wall of the internal end (5), and an assembly ring (7) is fixedly installed on the inner wall of the installation groove (6). The assembly ring (7) is made of heat-insulating material. An assembly groove (8) is provided inside the assembly ring (7). A heating ring (9) is fixedly installed on the inner wall of the assembly groove (8). A heat-conducting ring (10) is installed on the inner wall of the assembly groove (8). The heat-conducting ring (10) is made of stainless steel. A protective box (11) is installed on the splicing pipe (1). A control box (12) is fixedly installed inside the protective box (11). The control box (12) is fixedly connected to the two heating rings (9) through an internal circuit. A control switch (13) is installed on the control box (12).
2. The quick splicing device for pipelines according to claim 1, characterized in that: The protective box (11) is rotatably connected to a cover plate (14) via a hinge, and a rod seat (15) is fixedly installed on the cover plate (14).
3. The quick splicing device for pipelines according to claim 2, characterized in that: The rod seat (15) has a first threaded hole, and a screw (16) is assembled in the first threaded hole. A knob (17) is installed on the screw (16).
4. The quick splicing device for pipelines according to claim 1, characterized in that: The protective box (11) has a second threaded hole (18) on its side wall, and the second threaded hole (18) corresponds to the position of the screw (16).
5. A quick splicing device for pipelines according to claim 1, characterized in that: The external end (4) is provided with four sets of adjustment slots (19), and the external end (4) is provided with external threads (20) on its outer wall.
6. A quick splicing device for pipelines according to claim 1, characterized in that: The outer end (4) is fitted with a fixing tube (21), and the inner wall of the fixing tube (21) is provided with an internal thread (22).
Citation Information
Patent Citations
Rapid pipeline splicing device for assembling heating and ventilation equipment
CN218625835U