Temporary plugging device for municipal water supply and drainage pipeline

Abstract

The utility model relates to the field of municipal engineering, in particular to a temporary plugging device for municipal water supply and drainage pipelines. According to the temporary plugging device for the municipal water supply and drainage pipeline, secondary plugging can be conducted on the drainage pipeline, meanwhile, the temporary plugging device is rapidly fixed, the structure is simple, the plugging effect is good, displacement and water leakage of the temporary plugging device are prevented, and use is flexible and convenient. A temporary plugging device for municipal water supply and drainage pipelines comprises a pipeline, a sealing cover and the like, and the sealing cover is clamped to the left portion of the pipeline. According to the drainage pipeline secondary plugging device, plugging is conducted through expansion of the expansion air bag, meanwhile, under the action of air, the hollow pipe moves, the connecting rod rotates, the fixing block moves and unfolds to be fixed, the extrusion plate moves to extrude the sealing gasket to conduct secondary plugging, and therefore the drainage pipeline secondary plugging device can be rapidly fixed while secondary plugging is conducted on a drainage pipeline; the device is simple in structure, good in plugging effect, capable of preventing displacement and water leakage and flexible and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of municipal engineering especially, relate to a municipal water supply and drainage pipeline temporary plugging device. BACKGROUND

[0002] Water supply and drainage pipeline system is an important part of urban infrastructure, which is composed of a series of pipelines, valves, pumping stations and other related equipment, for transporting and distributing clean water and collecting and discharging wastewater, temporary plugging of water supply and drainage pipeline refers to the case that the normal operation of the whole water supply and drainage system is not affected or minimally affected, a certain part of the pipeline is closed for a short period of time through specific technology and equipment.

[0003] The existing temporary plugging of water supply and drainage pipeline is usually by installing an air bag in the pipeline, inflating the air bag through an inflating device to make the air bag expand and plug, however, during the plugging process, the air bag is often subjected to continuous scouring due to the effect of water flow inside the pipeline, which leads to easy loosening of the air bag and further displacement and water leakage, the plugging effect is poor, which easily affects the efficiency of maintenance and is inconvenient to use.

[0004] Therefore, it is necessary to design a municipal water supply and drainage pipeline temporary plugging device which can perform secondary plugging of the drainage pipeline and quickly fix the device, has a simple structure, good plugging effect, prevents displacement and water leakage of the device and is flexible and convenient to use. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings that the air bag is often subjected to continuous scouring during the plugging process due to the effect of water flow inside the pipeline, which leads to easy loosening of the air bag and further displacement and water leakage, the plugging effect is poor and it is inconvenient to use, the utility model provides a municipal water supply and drainage pipeline temporary plugging device which can perform secondary plugging of the drainage pipeline and quickly fix the device, has a simple structure, good plugging effect, prevents displacement and water leakage of the device and is flexible and convenient to use.

[0006] The technical scheme is as follows: a municipal water supply and drainage pipeline temporary plugging device, comprising a pipeline, a hollow pipe, a sealing cover, an extrusion plate, a fixing assembly and a plugging assembly, the sealing cover is connected with the hollow pipe through sliding connection in the middle part, the hollow pipe is connected with the extrusion plate through sliding connection in the left part, the extrusion plate is connected with the pipeline through sliding connection, the sealing cover is provided with the fixing assembly for fixing and installing the device, and the hollow pipe is provided with the plugging assembly for plugging the pipeline.

[0007] As a preferred technical scheme of the utility model, the fixing assembly comprises a screw rod and a top sheet, a plurality of screw rods are connected with the sealing cover through threads, and the screw rod is connected with the top sheet through rotation in the lower part.

[0008] As a preferred technical scheme of the utility model, the handle is further arranged on the side of the screw away from each other.

[0009] As a preferred technical scheme of the utility model, the plugging assembly comprises an inflatable air bag, a piston sheet, a sealing gasket, a guide disc, a sliding sleeve, a connecting rod, a fixing block and a pressing sheet, the inflatable air bag is slidably connected to the right part of the hollow pipe, the piston sheet is connected to the right side of the hollow pipe, the piston sheet is slidably connected to the inflatable air bag, the sealing gasket is connected to the inner side of the sealing cover, the sealing gasket is in contact with the pressing plate, the guide disc is connected to the left inner side of the sealing cover, the guide disc passes through the sealing gasket and the pressing plate, the guide disc is slidably connected to the hollow pipe, the sliding sleeve is slidably connected to the right outer side of the hollow pipe, a plurality of groups of connecting rods are rotatably connected to the sliding sleeve, each group is composed of a plurality of connecting rods, the fixing block is rotatably connected between the connecting rods in the same group, the fixing block is slidably connected to the guide disc, the pressing sheet is connected to the right part of the hollow pipe, and the pressing sheet is located at the left side of the inflatable air bag.

[0010] As a preferred technical scheme of the utility model, the plurality of groups of connecting rods are uniformly distributed along the sliding sleeve.

[0011] As a preferred technical scheme of the utility model, the fixing block is T-shaped.

[0012] Beneficial effects: 1, the utility model discloses a kind of inflatable air bag expansion plugging, and under the action of gas, hollow pipe moves, connecting rod rotates, fixing block moves and expands to be fixed, and pressing plate moves and extrudes sealing gasket to carry out secondary plugging, so that secondary plugging can be carried out to drain pipe, and the device is quickly fixed, structure is simple, plugging effect is good, prevent the device displacement and water leakage, use flexible and convenient.

[0013] 2, the utility model discloses a kind of handle rotating screw, under the action of screw thread, screw moves, and then drives top sheet to move and contact with drain pipe, and then the device is fixed and installed on drain pipe, so that the device can be fixed and installed, improve the stability of use. DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure cross-sectional schematic diagram of the utility model.

[0016] Figure 3 It is the first three-dimensional structure schematic diagram of the plugging assembly of the utility model.

[0017] Figure 4 It is the second three-dimensional structure schematic diagram of the plugging assembly of the utility model.

[0018] Figure 5The utility model discloses a fixing assembly's three-dimensional structure schematic diagram.

[0019] In the drawing, marked: 1-pipeline, 2-hollow pipe, 3-sealing cover, 31-extrusion plate, 4-screw, 41-handle, 5-top sheet, 6-inflatable air bag, 7-piston sheet, 8-sealing gasket, 9-guiding disc, 10-sliding sleeve, 11-connecting rod, 12-fixing block, 13-pressing sheet. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below in combination with the drawings and specific embodiment, but not limit the protection scope and application scope of the utility model.

[0021] A kind of municipal water supply and drainage pipeline temporary plugging device, as shown in figure Figures 1-5 It includes pipeline 1, hollow pipe 2, sealing cover 3, extrusion plate 31, screw 4, handle 41, top sheet 5, inflatable air bag 6, piston sheet 7, sealing gasket 8, guiding disc 9, sliding sleeve 10, connecting rod 11, fixing block 12 and pressing sheet 13, sealing cover 3 is clamped in the left part of pipeline 1, hollow pipe 2 is slidably connected in the middle part of sealing cover 3, extrusion plate 31 is connected in the left part of hollow pipe 2, extrusion plate 31 is slidably connected with pipeline 1, three screw 4 are connected on sealing cover 3 by screwing, handle 41 is connected on the side of screw 4 away from each other, to facilitate hand rotating screw 4, top sheet 5 is rotatably connected in the lower part of screw 4, inflatable air bag 6 is slidably connected in the right part of hollow pipe 2, piston sheet 7 is connected on the right side of hollow pipe 2, piston sheet 7 is slidably connected with inflatable air bag 6, sealing gasket 8 is connected on the inner side of sealing cover 3, sealing gasket 8 is in contact with extrusion plate 31, guiding disc 9 is connected on the inner side of the left part of sealing cover 3, guiding disc 9 passes through sealing gasket 8 and extrusion plate 31, guiding disc 9 is slidably connected with hollow pipe 2, sliding sleeve 10 is slidably connected on the outer side of the right part of hollow pipe 2, three groups of connecting rod 11 are rotatably connected on sliding sleeve 10, each group is formed by four connecting rod 11, three groups of connecting rod 11 are evenly distributed along sliding sleeve 10, fixing block 12 is rotatably connected between the connecting rod 11 of same group, fixing block 12 is slidably connected with guiding disc 9, fixing block 12 is T-shaped, pressing sheet 13 is connected on the right part of hollow pipe 2, and pressing sheet 13 is located on the left side of inflatable air bag 6.

[0022] When the municipal water supply and drainage pipeline 1 needs to be temporarily blocked, the device can be used, so that the sealing cover 3 is in contact with the drainage pipeline 1, the sealing cover 3 is clamped with the drainage pipeline 1, then the handle 41 rotates the screw rod 4, the screw rod 4 moves under the action of the screw, and the top sheet 5 moves and contacts the drainage pipeline 1, and then the device is fixedly installed on the drainage pipeline 1, so that the device can be fixedly installed, the stability of use is improved, then the hollow pipe 2 is connected with the inflation equipment, the inflation equipment is inflated, the gas enters the hollow pipe 2 and then flows into the inflatable air bag 6, the inflatable air bag 6 is inflated to block, in the process of blocking, the piston sheet 7 moves under the action of the gas, and then the hollow pipe 2 moves, the pressing sheet 13 moves, the connecting rod 11 rotates, the three groups of connecting rods 11 are uniformly distributed along the sliding sleeve 10, and then the fixing block 12 moves along the guide disc 9 and expands to be fixed, the fixing block 12 is T-shaped, the pressing plate 31 moves and extrudes the sealing gasket 8 to be blocked twice, so that the drainage pipeline 1 can be blocked twice and the device can be quickly fixed, the structure is simple, the blocking effect is good, the device is prevented from displacement and water leakage, the device is flexible and convenient to use, after the blocking is completed, the gas in the inflatable air bag 6 is pumped out by the air pump, the inflatable air bag 6 is restored, the hollow pipe 2 is moved and reset, the pressing plate 31 and the pressing sheet 13 are moved and reset, then the screw rod 4 is reversely rotated, the screw rod 4 moves reversely under the action of the screw, the top sheet 5 moves reversely and is separated from the pipeline 1, then the device is taken out, the sealing cover 3 is separated from the pipeline 1.

[0023] The technical principles of the embodiments of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the utility model, and cannot be explained as the limitation of the protection scope of the embodiments of the utility model in any way. Based on the explanation here, the person skilled in the art can think of other specific embodiments of the embodiments of the utility model without creative labor, and these embodiments will fall within the protection scope of the embodiments of the utility model.

Claims

1. A temporary sealing device for municipal water supply and drainage pipelines, characterized in that: It includes a pipe (1), a hollow pipe (2), a sealing cap (3), a compression plate (31), a fixing component and a sealing component. The sealing cap (3) is snapped onto the left side of the pipe (1). The hollow pipe (2) is slidably connected to the middle of the sealing cap (3). The compression plate (31) is connected to the left side of the hollow pipe (2). The compression plate (31) is slidably connected to the pipe (1). The sealing cap (3) is provided with a fixing component for fixing the device. A sealing component for sealing the pipe (1) is provided between the hollow pipe (2) and the sealing cap (3).

2. The temporary sealing device for municipal water supply and drainage pipelines as described in claim 1, characterized in that: The fixing assembly includes a screw (4) and a top plate (5). Multiple screws (4) are threadedly connected to the sealing cover (3), and the bottom of each screw (4) is rotatably connected to a top plate (5).

3. The temporary sealing device for municipal water supply and drainage pipelines as described in claim 2, characterized in that: It also includes handles (41), and handles (41) are connected to the opposite sides of the screws (4).

4. The temporary sealing device for municipal water supply and drainage pipelines as described in claim 3, characterized in that: The sealing assembly includes an inflatable airbag (6), a piston plate (7), a sealing gasket (8), a guide plate (9), a sliding sleeve (10), a connecting rod (11), a fixing block (12), and a top pressure plate (13). The inflatable airbag (6) is slidably connected to the right side of the hollow tube (2), and the piston plate (7) is connected to the right side of the hollow tube (2). The piston plate (7) is slidably connected to the inflatable airbag (6). The sealing gasket (8) is connected to the inner side of the sealing cover (3). The sealing gasket (8) is in contact with the extrusion plate (31). The guide plate (9) is connected to the inner side of the left side of the sealing cover (3). 9) Passing through the sealing gasket (8) and the extrusion plate (31), the guide plate (9) is slidably connected to the hollow tube (2). The right side of the hollow tube (2) is slidably connected to the sliding sleeve (10). Multiple sets of connecting rods (11) are rotatably connected to the sliding sleeve (10). Each set consists of multiple connecting rods (11). The connecting rods (11) in the same set are rotatably connected to the fixing block (12). The fixing block (12) is slidably connected to the guide plate (9). The right side of the hollow tube (2) is connected to the top pressure plate (13). The top pressure plate (13) is located on the left side of the inflatable airbag (6).

5. The temporary sealing device for municipal water supply and drainage pipelines as described in claim 4, characterized in that: Multiple sets of connecting rods (11) are evenly distributed along the sliding sleeve (10).

6. The temporary sealing device for municipal water supply and drainage pipelines as described in claim 5, characterized in that: All fixing blocks (12) are T-shaped.

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