A device for applying mastic glue for pipe repair
By designing a heating device and a multi-angle coating component, the mastic adhesive application device solves the problems of uneven application and low-temperature solidification in pipeline repair, achieving efficient and uniform application and real-time monitoring, thus improving pipeline repair efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG YAHONG IND
- Filing Date
- 2025-09-05
- Publication Date
- 2026-06-30
AI Technical Summary
In existing pipeline repair methods, mastic adhesive application suffers from problems such as difficulty in manual operation, uneven application, low-temperature solidification, and inability to monitor in real time, resulting in low repair efficiency.
A mastic glue application device was designed, which includes a heating device, a multi-angle glue application component, and a real-time display screen. The heating belt maintains the fluidity of the glue, the multi-angle glue application component covers the defect area, and the application effect is monitored in real time by a camera.
It enables continuous discharge of adhesive material in low-temperature environments, ensuring uniform coating and real-time monitoring, improving the efficiency and quality of pipeline repair, and avoiding problems such as missed coating and low-temperature solidification.
Smart Images

Figure CN224423368U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipeline repair technology, and in particular to a mastic adhesive application device for pipeline repair. Background Technology
[0002] In municipal drainage, industrial oil transportation, and gas transmission, pipelines are prone to internal wall cracks and corrosion due to long-term use, requiring mastic adhesive for sealing and repair. Mastic adhesive, with its excellent adhesion and waterproof properties, has become a commonly used material for pipeline internal wall repair; however, existing application methods have significant shortcomings and cannot meet the needs of efficient repair.
[0003] Currently, the application of mastic adhesive to the inner walls of pipes largely relies on manual, handheld tools. For large-diameter pipes or concealed areas, operators have difficulty penetrating deep into the pipe, limiting the application area. Furthermore, the fixed application angle cannot flexibly adapt to defects in different locations on the pipe's inner wall, easily leading to missed areas and uneven application, affecting the repair's sealing performance. In low-temperature environments, mastic adhesive easily solidifies, and traditional tools lack heating functions, resulting in poor adhesive dispensing and further reducing application efficiency. Secondly, while some simple application devices can reach into the pipe, they lack a real-time observation structure, preventing operators from visually assessing the application status and requiring repeated pulling and pulling of the device for inspection, increasing the workload. Repair efficiency is low for defects in the circumferential direction of the pipe's inner wall. Therefore, we propose a mastic adhesive application device for pipe repair. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a mastic coating device for pipe repair.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a mastic glue application device for pipe repair, comprising a repair glue gun, a sealing cap fixedly provided on the inner wall of one end of the repair glue gun, a glue extrusion rod slidably connected to the outer side of the sealing cap, a sealing disc fixedly provided on the inner wall of the other end of the repair glue gun, a spiral cap threadedly connected to the top of the glue extrusion rod, a heating belt sleeved on the outer wall of the repair glue gun, an adjusting ring rotatably sleeved on the outer wall of the repair glue gun, and a multi-angle glue application component provided on the repair glue gun.
[0006] Preferably, the end of the extrusion rod slides into the repair glue gun and is fitted with a glue pushing disc, the outer wall of the glue pushing disc being in close contact with the inner wall of the repair glue gun.
[0007] Preferably, a number of rubber sheets arranged in a ring and equidistantly are fixed on the outer wall of the adjusting ring near one side and near the edge, and clamping pieces are fixed on the top and bottom of the repair glue gun corresponding to both sides of the adjusting ring.
[0008] Preferably, a heating device is fixedly installed on the top of the repair glue gun. There are several groups of heating tapes, and the several groups of heating tapes are evenly spaced. A heating connection wire is fixedly connected between two adjacent heating tapes, and one of the heating tapes is electrically connected to the heating device.
[0009] Preferably, a connecting rod is fixedly provided near one end of the top of the repair glue gun, and a real-time display screen is fixedly connected to the end of the connecting rod.
[0010] Preferably, the multi-angle glue application component includes a glue outlet pipe, a mounting disc, a glue outlet head and a camera. The outer wall of the sealing disc is rotatably connected to a glue outlet pipe in an L shape. The top of the glue outlet pipe is fixedly connected to a glue outlet head. A mounting disc is sleeved on the outer wall of the glue outlet pipe near the top. Cameras are fixedly provided on both sides of the glue outlet head corresponding to the top of the mounting disc. The end of the glue outlet pipe extends into the repair glue gun through the sealing disc, and both cameras are electrically connected to the real-time display screen.
[0011] Preferably, the multi-angle glue application component further includes a synchronizing rod. A synchronizing rod in a shape of "冖" is fixedly connected between the outer wall of the glue outlet pipe and the outer wall of the adjusting ring.
[0012] The beneficial effects of the present utility model:
[0013] 1. When the present utility model is in use, the heating device supplies power to multiple groups of heating tapes, and the heating tapes are heated synchronously in cooperation with the heating connection wires, so as to uniformly heat the outer wall of the repair glue gun, effectively prevent the mastic glue from coagulating in a low-temperature environment, ensure that the glue material always maintains good fluidity, solve the problem of unsmooth material discharge of traditional tools, and improve the adaptability to low-temperature operations.
[0014] When the present utility model is in use, by rotating the adjusting ring sleeved on the repair glue gun, the L-shaped glue outlet pipe is synchronously rotated on the sealing disc by using the synchronizing rod, so that the position of the glue outlet head in the pipe can be quickly changed; the clamping piece can prevent the adjusting ring from shifting during rotation, ensure the accuracy of angle adjustment, effectively cover the circumference of the inner wall of the pipe and defects in different areas, and avoid the problem of missed coating caused by the fixed angle of manual coating. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for use in the following description of the specific embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0017] Figure 2This is a schematic diagram of the dispensing tube and camera of this utility model;
[0018] Figure 3 This is a schematic diagram of the pusher plate and sealing plate of this utility model;
[0019] Figure 4 This is a cross-sectional view of the repair glue gun of this utility model.
[0020] The attached figures are labeled as follows:
[0021] 1. Repair glue gun; 2. Sealing cap; 3. Glue extrusion rod; 4. Glue outlet tube; 5. Mounting plate; 6. Glue outlet head; 7. Camera; 8. Adjusting ring; 9. Clamping plate; 10. Rubber sheet; 11. Synchronizing rod; 12. Connecting rod; 13. Real-time display screen; 14. Heating device; 15. Heating belt; 16. Heating connection wire; 17. Screw cap; 18. Glue pusher plate; 19. Sealing plate. 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] like Figures 1-4 As shown, a mastic adhesive application device for pipe repair is disclosed, comprising a repair glue gun 1, a sealing cap 2 fixedly provided on the inner wall of one end of the repair glue gun 1, an extrusion rod 3 slidably connected to the outer side of the sealing cap 2, a sealing disc 19 fixedly provided on the inner wall of the other end of the repair glue gun 1, a screw cap 17 threadedly connected to the top of the extrusion rod 3, a heating belt 15 sleeved on the outer wall of the repair glue gun 1, an adjusting ring 8 rotatably sleeved on the outer wall of the repair glue gun 1, and a multi-angle glue application component provided on the repair glue gun 1.
[0024] The end of the extrusion rod 3 slides into the repair glue gun 1 and is fitted with a glue pushing disc 18. The outer wall of the glue pushing disc 18 is tightly fitted with the inner wall of the repair glue gun 1.
[0025] Several sets of rubber sheets 10 are fixedly arranged in a ring at equal intervals near one side of the outer wall of the adjusting ring 8. Clamping pieces 9 are fixedly provided on the top and bottom of the repair glue gun 1, corresponding to both sides of the adjusting ring 8. When the extrusion rod 3 is pushed, it slides on the sealing cover 2 and the glue is evenly extruded to the glue outlet tube 4 through the glue pushing plate 18, so that the glue is delivered stably. The rubber sheets 10 on the outer wall of the adjusting ring can increase the gripping friction, making it easy for the operator to rotate and adjust. One person can complete the heating, extrusion, angle adjustment and other operations, reducing labor intensity.
[0026] A heating device 14 is fixedly installed at the top of the repair glue gun 1. There are several groups of heating tapes 15, and the several groups of heating tapes 15 are evenly spaced. A heating connection wire 16 is fixedly connected between two adjacent heating tapes 15. One of the heating tapes 15 is electrically connected to the heating device 14. The multiple groups of heating tapes 15 are evenly sleeved on the outer wall of the repair glue gun 1, and are connected in series through the heating connection wire 16 and electrically connected to the heating device 14, so as to uniformly heat the repair glue gun synchronously, avoiding the coagulation of the glue caused by uneven local heating; this structure can quickly raise and maintain the temperature of the glue, ensure that the mastic glue always maintains good fluidity in a low-temperature environment, completely solve the problem of unsmooth discharging caused by the lack of heating function of traditional tools, and ensure the continuity of the operation.
[0027] A connecting rod 12 is fixedly provided at the top of the repair glue gun 1 near one end. A real-time display screen 13 is fixedly connected to the end of the connecting rod 12. The camera 7 on the mounting plate 5 can transmit the repair picture in the pipeline to the display screen 13 in real time. The operator does not need to repeatedly draw out the device for inspection, can intuitively master the position of the glue outlet head and the evenness of glue application, adjust the operation in time, reduce ineffective operation steps, and greatly improve the repair efficiency and sealing quality.
[0028] The multi-angle glue application assembly includes a glue outlet pipe 4, a mounting plate 5, a glue outlet head 6 and a camera 7. The outer wall of the sealing plate 19 is rotatably connected with an L-shaped glue outlet pipe 4. The top of the glue outlet pipe 4 is fixedly connected with a glue outlet head 6. The outer wall of the glue outlet pipe 4 near the top is sleeved with a mounting plate 5. Cameras 7 are fixedly provided on both sides of the glue outlet head 6 corresponding to the top of the mounting plate 5. The end of the glue outlet pipe 4 extends into the repair glue gun 1 through the sealing plate 19. Both cameras 7 are electrically connected to the real-time display screen 13. The two cameras 7 are symmetrically installed on the mounting plate 5 and electrically connected to the real-time display screen 13, and can capture the glue application picture of the glue outlet head 6 in the pipeline in real time and transmit it to the display screen; the operator can intuitively master the evenness of glue application and the defect repair situation without drawing out the device, adjust the operation in time, reduce ineffective inspection steps, greatly improve the repair quality and operation efficiency, and avoid the problem of missed glue application caused by "blind gluing" of traditional devices.
[0029] The multi-angle glue application assembly further includes a synchronizing rod 11. A "冖"-shaped synchronizing rod 11 is fixedly connected between the outer wall of the glue outlet pipe 4 and the outer wall of the adjusting ring 8. When the adjusting ring is rotated, the glue outlet pipe 4 can be driven to rotate synchronously through the synchronizing rod; cooperating with the clamping piece 9 on the repair glue gun to limit the deviation of the adjusting ring, the angle and position of the glue outlet head 6 in the pipeline can be accurately controlled, and full-coverage glue application of the inner wall of the pipeline in the circumferential direction and different regions of defects can be realized, solving the limitation of the fixed angle of manual gluing.
[0030] Working principle: In use, firstly, mastic glue is injected into the repair glue gun 1 by opening the screw cap 17 on the repair glue gun 1. After injection, the screw cap 17 is tightened, and the heating device 14 is turned on. The heating device 14 heats the heating belt 15. Since multiple heating belts 15 are fixed together by heating connecting wires 16, they can simultaneously heat the outer wall of the repair glue gun 1, preventing the mastic glue in the repair glue gun 1 from solidifying at low temperatures and causing poor material discharge. Then, the extrusion rod 3 is pushed towards the repair glue gun 1. While the extrusion rod 3 slides on the sealing cover 2, the mastic glue in the repair glue gun 1 is pushed towards the sealing cover 2 by the pusher plate 18. The glue is continuously fed into the dispensing tube 4 on the disc 19, allowing the dispensing head 6 to apply mastic glue to the inner wall of the pipe for repair. When other parts of the inner wall of the pipe need to be repaired, the adjusting ring 8 is rotated on the outer wall of the repair glue gun 1 using the rubber sheet 10. Four clamping plates 9 prevent the adjusting ring 8 from shifting during rotation. The synchronizing rod 11 rotates synchronously on the sealing disc 19 along with the rotation of the adjusting ring 8, thereby changing the position of the dispensing head 6 inside the pipe. The two cameras 7 on the mounting disc 5 transmit the image inside the pipe to the real-time display screen 13, allowing real-time monitoring of the repair status inside the pipe, greatly improving the efficiency of pipe repair.
[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A device for applying mastic adhesive for pipe repair, comprising a repair glue gun (1), characterized in that: One end inner wall of the repair glue gun (1) is fixedly provided with a sealing cover (2). The outer side of the sealing cover (2) is slidably connected with an extrusion glue rod (3). The other end inner wall of the repair glue gun (1) is fixedly provided with a sealing disc (19). The top of the extrusion glue rod (3) is threadedly connected with a spiral cover (17). The outer wall of the repair glue gun (1) is sleeved with a heating belt (15). The outer wall of the repair glue gun (1) is rotatably sleeved with an adjusting ring (8). A multi-angle glue application component is arranged on the repair glue gun (1).
2. The device for applying mastic adhesive for pipe repair according to claim 1, characterized in that: The end part of the extrusion glue rod (3) slidably extends into the repair glue gun (1) and is sleeved with a glue pushing disc (18). The outer wall of the glue pushing disc (18) is in close fit with the inner wall of the repair glue gun (1).
3. The device for applying mastic adhesive for pipe repair according to claim 1, characterized in that: Several groups of rubber sheets (10) which are annularly and equidistantly distributed are fixedly provided at a position near the edge on the outer wall of the adjusting ring (8) close to one side. Clamping sheets (9) are fixedly provided at the top and bottom of the repair glue gun (1) corresponding to both sides of the adjusting ring (8).
4. The device for applying mastic adhesive for pipe repair according to claim 1, characterized in that: A heating device (14) is fixedly installed at the top of the repair glue gun (1). There are several groups of heating belts (15). The several groups of heating belts (15) are equidistantly spaced. A heating connecting wire (16) is fixedly connected between two adjacent heating belts (15). One of the heating belts (15) is electrically connected with the heating device (14).
5. The device for applying mastic adhesive for pipe repair according to claim 1, characterized in that: A connecting rod (12) is fixedly provided at the top of the repair glue gun (1) near one end. A real-time display screen (13) is fixedly connected to the end of the connecting rod (12).
6. The device for applying mastic adhesive for pipe repair according to claim 1, characterized in that: The multi-angle glue application component includes a glue outlet pipe (4), a mounting disc (5), a glue outlet head (6) and a camera (7). The outer wall of the sealing disc (19) is rotatably connected with an L-shaped glue outlet pipe (4). The top of the glue outlet pipe (4) is fixedly connected with a glue outlet head (6). A mounting disc (5) is sleeved on the outer wall of the glue outlet pipe (4) near the top position. Cameras (7) are fixedly provided on both sides of the glue outlet head (6) corresponding to the top of the mounting disc (5). The end part of the glue outlet pipe (4) extends into the repair glue gun (1) through the sealing disc (19). Both cameras (7) are electrically connected with the real-time display screen (13).
7. The mastic adhesive application device for pipe repair according to claim 6, characterized in that: The multi-angle glue application component further includes a synchronizing rod (11). A "冖"-shaped synchronizing rod (11) is fixedly connected between the outer wall of the glue outlet pipe (4) and the outer wall of the adjusting ring (8).