Municipal pipe network repairing tool

Abstract

The utility model belongs to the technical field of municipal pipe networks, and particularly relates to a municipal pipe network repairing tool which comprises two semi-annular cover plates which are symmetrically arranged, protrusions are arranged on the two sides of each cover plate, a through hole is formed in the middle of each protrusion, the two cover plates are fixedly connected through a bolt, and the bolt is connected into the through hole in a sleeved mode. A bearing cavity protruding outwards is formed in the end face of the semi-annular cover plate, and a supporting semi-ring is connected into the bearing cavity in a clamped mode. According to the municipal pipe network repairing tool, the two cover plates are symmetrically connected in a clamped mode and fixed through bolts, supporting semi-rings are connected to the outer surface of a pipeline from the two sides in a clamped mode and extrude towards the inner side to enable a rubber mat to deform, and extruding semi-rings are connected to the outer surface of the pipeline in a sleeving mode and connected into through holes in a sleeving mode through threaded shafts to fix the extruding semi-rings; the plug on the upper portion is taken down, sealing glue is injected through the glue injection hole to complete sealing, after the sealing glue is solidified, the extrusion semi-ring is taken down, the bolt is installed, and therefore the pipeline can be repaired more conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal pipe networks, and in particular relates to a municipal pipe network repair tool. Background Art

[0002] Municipal pipe network is the infrastructure of a city, including electricity, telecommunications, network, communication, heat, gas, rainwater drainage, sewage drainage, etc. The pipe network will be damaged by external forces, and it needs to be repaired in time to ensure safety.

[0003] For example, a Chinese patent with publication number CN218378327U discloses a municipal pipe network repair tool including: a repair tool body, the repair tool body including a base and a clamp; the clamp consists of a first clamp and a second clamp, the second clamp is provided with two and symmetrically arranged, the upper end of the base is provided with two vertical rods, the upper ends of the two vertical rods are both open, and limit rods are provided inside, the outsides of the two limit rods are provided with springs, the upper ends of the two springs are provided with movable plates, the side walls of the two vertical rods are provided with slides, and the insides of the two slides are provided with slide grooves, the first clamp is located above the second clamp, a plurality of positioning holes are provided on one side of the two second clamps, and a plurality of positioning blocks are provided on the side wall of the other second clamp.

[0004] The technical solution proposed in the application uses the first clamp and the second clamp to cooperate to support the pipeline, which is convenient for repairing the pipeline and keeps the pipeline stable during repair. However, the base and other structures in the technical solution are not easy to remove after the repair is completed, and are difficult to install, so a simple repair tool is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a municipal pipe network repair tool to achieve the effect of a simple repair device in view of the above-mentioned technical problems.

[0006] In view of this, the utility model provides a municipal pipe network repair tool, comprising two symmetrically arranged semi-annular cover plates, protrusions are arranged on both sides of the cover plates, a through hole is opened in the middle of the protrusion, the two cover plates are fixedly connected by bolts, and the bolts are sleeved inside the through holes, and the end faces of the semi-annular cover plates are provided with a bearing cavity protruding outward, and a supporting semi-ring is clamped inside the bearing cavity, and an extruded and deformed rubber pad is fixedly installed on one side of the supporting semi-ring located inside the bearing cavity, a notch is opened on the side of the rubber pad close to the supporting semi-ring, and a glue injection hole is provided at the edge of the bearing cavity.

[0007] Preferably, a plug is inserted into the glue injection hole, and the bearing cavities on both sides are provided with glue injection holes.

[0008] Preferably, the connection between the two supporting half rings and the two sides of the two cover plates are staggered.

[0009] Preferably, a plug-in block is fixedly mounted on one side of one of the cover plates close to each other, and a plug-in slot is provided on another side of the other cover plate close to each other, and the plug-in block is plugged into the inside of the plug-in slot.

[0010] Preferably, one end of the plugging slot is connected to and penetrates a connecting slot, and one end of the connecting slot away from the plugging slot extends to the interior of the bearing cavity and is connected to and penetrates the bearing cavity.

[0011] Preferably, an extrusion half ring is provided on the side of the bearing cavity away from each other, and both sides of the extrusion half ring are provided with extension parts extending outward, and a threaded sleeve is provided on the side of the extension part close to the protrusion, and the internal thread of the threaded sleeve is connected to a threaded shaft, and the threaded shaft is sleeved inside the through hole, and a limiting pad is fixedly installed on the end of the threaded shaft away from the threaded sleeve.

[0012] Preferably, there are multiple through holes, which are evenly distributed, and the extrusion half ring is divided into two upper and lower parts, wherein one group of extension parts is longer than the other group of extension parts by the distance of two through holes.

[0013] Preferably, the length of the rubber pad is greater than the width of the bearing cavity, and an indentation is provided in the middle of the rubber pad to facilitate bending.

[0014] The beneficial effects of the utility model are:

[0015] 1. The municipal pipe network repair tool has two cover plates symmetrically clamped and fixed by bolts. The supporting half ring is clamped to the outer surface of the pipe from both sides and squeezed inward to deform the rubber pad. The extrusion half ring is sleeved on the outer surface of the pipe and fixed inside the through hole through the threaded shaft. The upper plug is removed and sealant is injected through the injection hole to complete the sealing. When the sealant is cured, the extrusion half ring is removed and the bolts are installed, so that the pipe can be repaired more easily.

[0016] 2. The municipal pipe network repair tool has one end of the plug slot connected to and penetrated with a connection slot, and the end of the connection slot away from the plug slot extends to the inside of the bearing cavity and is connected to and penetrated with the bearing cavity. This arrangement enables the connection slot and the bearing cavity to be connected, and during the glue injection process, the plug slot and the plug block can be connected by the sealant to improve the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection of the cover plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection of the rubber pad of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection of the extruded half ring of the utility model;

[0021] Figure 5 This is a schematic diagram of the connection between the rubber pad and the cover plate in the utility model;

[0022] Figure 6 For this utility model Figure 5 Enlarged schematic diagram at point A in the middle.

[0023] The symbols in the figure are:

[0024] 1. Indentation; 2. Cover plate; 3. Protrusion; 4. Through hole; 5. Bolt; 6. Bearing cavity; 7. Support half ring; 8. Rubber pad; 9. Notch; 10. Glue injection hole; 11. Plug; 12. Plug block; 13. Plug slot; 14. Connecting slot; 15. Extrusion half ring; 16. Extension; 17. Threaded sleeve; 18. Threaded shaft; 19. Limit pad. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-Figure 6 This application is described in further detail.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] The embodiment of the present application discloses a municipal pipe network repair tool, comprising two symmetrically arranged semi-annular cover plates 2, protrusions 3 are arranged on both sides of the cover plates 2, a through hole 4 is opened in the middle of the protrusion 3, the two cover plates 2 are fixedly connected by bolts 5, the bolts 5 are sleeved inside the through hole 4, the end faces of the semi-annular cover plates 2 are provided with a bearing cavity 6 protruding outward, a supporting semi-ring 7 is clamped inside the bearing cavity 6, an extruded and deformed rubber pad 8 is fixedly installed on one side of the supporting semi-ring 7 located inside the bearing cavity 6, a notch 9 is opened on the side of the rubber pad 8 close to the supporting semi-ring 7, and a glue injection hole 10 is provided at the edge of the bearing cavity 6.

[0028] Based on the above structure,

[0029] In one embodiment,

[0030] A plug 11 is inserted into the glue injection hole 10, and the bearing cavities 6 on both sides are provided with glue injection holes 10. In this embodiment, such an arrangement can be used to remove the plug 11 when the glue injection hole 10 is facing upwards for glue injection.

[0031] Based on the above structure,

[0032] In one embodiment,

[0033] The connection of the two supporting half rings 7 and the two sides of the two cover plates 2 are staggered. In this embodiment, such an arrangement can prevent the connection gaps from overlapping and leakage from the connection gaps after connection.

[0034] Based on the above structure,

[0035] In one embodiment,

[0036] A plug-in block 12 is fixedly mounted on one side of the cover plates 2 close to each other, and a plug-in slot 13 is provided on the other side of the cover plates 2 close to each other, and the plug-in block 12 is plugged into the plug-in slot 13. In this embodiment, such an arrangement can increase the contact area between the two cover plates 2, thereby improving the sealing performance.

[0037] Based on the above structure,

[0038] In one embodiment,

[0039] One end of the plug slot 13 is connected to and penetrated by a connecting slot 14, and one end of the connecting slot 14 away from the plug slot 13 extends to the inside of the bearing cavity 6 and is connected to and penetrates the bearing cavity 6. In this embodiment, such an arrangement enables the connecting slot 14 and the bearing cavity 6 to be connected, and during the glue injection process, the plug slot 13 and the plug block 12 can be connected by the sealant to improve the sealing performance.

[0040] Based on the above structure,

[0041] In one embodiment,

[0042] An extrusion half ring 15 is provided on the side away from the bearing cavity 6, and both sides of the extrusion half ring 15 are provided with extensions 16 extending outward, and a threaded sleeve 17 is provided on the side of the extension 16 close to the protrusion, and the internal thread of the threaded sleeve 17 is connected with a threaded shaft 18, and the threaded shaft 18 is sleeved inside the through hole 4, and a limit pad 19 is fixedly installed on the end of the threaded shaft 18 away from the threaded sleeve 17. In this embodiment, the support half ring 7 can be squeezed by such a setting to prevent the support half ring 7 from moving when the sealant is cured.

[0043] Based on the above structure,

[0044] In one embodiment,

[0045] There are multiple through holes 4, which are evenly spaced, and the extrusion half ring 15 is divided into two upper and lower parts, wherein one set of extensions 16 is longer than the other set of extensions 16 by the distance of two through holes 4. In this embodiment, such an arrangement enables both extrusion half rings 15 to be fixed through the through holes 4 and the threaded shaft 18.

[0046] Based on the above structure,

[0047] In one embodiment,

[0048] The length of the rubber pad 8 is greater than the width of the bearing cavity 6, and an indentation 1 for easy bending is provided in the middle of the rubber pad 8. In this embodiment, such a setting can be used to bend and deform the rubber pad 8 during the extrusion process, thereby improving the sealing performance.

[0049] When the municipal pipe network repair tool of this embodiment is in use, the two cover plates 2 are symmetrically clamped and fixed by bolts 5, the supporting half ring 7 is clamped to the outer surface of the pipe from both sides and squeezed inward to deform the rubber pad 8, the extrusion half ring 15 is sleeved on the outer surface of the pipe and fixed by the threaded shaft 18 sleeved on the inside of the through hole 4, the upper plug 11 is removed and the sealant is injected through the injection hole 10 to complete the sealing, and when the sealant is cured, the extrusion half ring 15 is removed and the bolts are installed.

[0050] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A municipal pipe network repair tool, comprising two symmetrically arranged semi-circular cover plates (2), with protrusions (3) arranged on both sides of the cover plates (2), a through hole (4) opened in the middle of the protrusion (3), the two cover plates (2) are fixedly connected by bolts (5), and the bolts (5) are sleeved inside the through hole (4), characterized in that: The end surface of the semi-annular cover plate (2) is provided with a bearing cavity (6) protruding outwards; A supporting half ring (7) is clamped inside the bearing cavity (6); a rubber pad (8) that is deformed by extrusion is fixedly installed on one side of the supporting half ring (7) located inside the bearing cavity (6); a notch (9) is provided on the side of the rubber pad (8) close to the supporting half ring (7); and a glue injection hole (10) is provided on the edge of the bearing cavity (6).

2. The municipal pipe network repair tool according to claim 1, characterized in that: A plug (11) is inserted into the glue injection hole (10), and the bearing cavities (6) on both sides are provided with glue injection holes (10).

3. The municipal pipe network repair tool according to claim 1, characterized in that: The connection between the two supporting half rings (7) and the two sides of the two cover plates (2) are staggered.

4. The municipal pipe network repair tool according to claim 1, characterized in that: A plug-in block (12) is fixedly mounted on one side of the cover plates (2) close to each other, and a plug-in slot (13) is provided on the other side of the cover plates (2) close to each other, and the plug-in block (12) is plugged into the inside of the plug-in slot (13).

5. The municipal pipe network repair tool according to claim 4, characterized in that: One end of the plugging slot (13) is connected to and penetrates a connecting slot (14), and one end of the connecting slot (14) away from the plugging slot (13) extends to the interior of the bearing cavity (6) and is connected to and penetrates the bearing cavity (6).

6. The municipal pipe network repair tool according to claim 1, characterized in that: An extrusion half ring (15) is provided on the side of the bearing cavity (6) away from each other, and extension portions (16) are provided on both sides of the extrusion half ring (15) and extend outwardly. A threaded sleeve (17) is provided on the side of the extension portion (16) close to the protrusion, and the internal thread of the threaded sleeve (17) is connected to a threaded shaft (18), which is sleeved inside the through hole (4), and a limiting pad (19) is fixedly installed on one end of the threaded shaft (18) away from the threaded sleeve (17).

7. The municipal pipe network repair tool according to claim 6, characterized in that: The number of the through holes (4) is multiple, and the multiple through holes (4) are evenly distributed. The extrusion half ring (15) is divided into two upper and lower parts, and the length of one group of extension parts (16) is longer than that of the other group of extension parts (16) by the distance of two through holes (4).

8. The municipal pipe network repair tool according to claim 1, characterized in that: The length of the rubber pad (8) is greater than the width of the bearing cavity (6), and an indentation (1) is provided in the middle of the rubber pad (8) for facilitating bending.

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