Pipeline cut-off device for community water purification equipment maintenance

Abstract

The utility model relates to the technical field of pipeline cut-off, in particular to a pipeline cut-off device for community water purification equipment maintenance, which comprises a water pipe, an upper connecting plate and a lower connecting plate are arranged on the outer surface of the water pipe, a cut-off shell is fixedly mounted at the top of the upper connecting plate, and an air cylinder is fixedly mounted at the top of the cut-off shell. A cut-off plate is fixedly mounted at the bottom of the air cylinder, a sealing gasket is arranged on the inner bottom wall of the cut-off plate, and a connector is fixedly mounted on one side of the upper connecting plate. Through the arrangement of the air cylinder, the cut-off plate and the sealing gasket, the upper connecting plate and the lower connecting plate are connected through bolts on the two sides of a water pipe needing to be maintained respectively in the using process, the air cylinder is started, the air cylinder operates to enable the cut-off plate to move downwards, the cut-off plate cuts the water pipe, and then the cut-off plate enters the water pipe; and when the bottom of the cut-off plate is attached to the inner bottom wall of the water pipe, the water flow is cut off in cooperation with the arrangement of a sealing gasket, and therefore the effect of intercepting the water flow when the water flow still flows is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline cutting technical field, concretely is a pipeline cutting device for community water purification equipment maintenance. BACKGROUND

[0002] A pipeline cutting device for community water purification equipment maintenance is a mechanical device specially designed for cutting off the pipeline during the maintenance of the community water purification equipment. The main purpose of this device is to safely and quickly cut off the water flow in the pipeline during maintenance or replacement of the water purification equipment to facilitate maintenance work.

[0003] After searching, the utility model discloses a vertical pipeline cutting device with publication number CN218719680U. The utility model discloses a two expansion devices and a blind plate, the expansion device is used for expanding the vertical pipeline to be cut off, the blind plate is inserted into the part to be cut off, is connected with the connecting flange on the vertical pipeline through the bolt, realizes the cutting of the vertical pipeline. The utility model greatly facilitates the maintenance of the vertical pipeline, and solves the problem that the prior art simply relies on valve blocking to block the vertical pipeline at any segment.

[0004] However, the device often lacks convenient use function, and cannot cut off the liquid in the pipeline when the liquid flows during use, resulting in the situation that the cutting device is inconvenient to use. Moreover, the device lacks normal use function of the pipeline during maintenance. During maintenance, the water in the pipeline is cut off, and the pipeline cannot be used, which affects the normal water use of community residents. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a pipeline cutting device for community water purification equipment maintenance to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A pipeline cutting device for community water purification equipment maintenance, comprising a water pipe, the outer surface of the water pipe is provided with an upper connecting plate and a lower connecting plate, the top of the upper connecting plate is fixedly installed with a cutting shell, the top of the cutting shell is fixedly installed with an air cylinder, the bottom of the air cylinder is fixedly installed with a cutting plate, the inner bottom wall of the cutting plate is provided with a sealing gasket, one side of the upper connecting plate is fixedly installed with a connecting head, one side of the connecting head is fixedly installed with a connecting flange, one side of the connecting flange is fixedly installed with a flow guide pipe.

[0008] Preferably, a plurality of threaded holes are formed in the two sides of the upper connecting plate and the lower connecting plate, and a plurality of bolts are threadedly connected in the threaded holes.

[0009] Preferably, the connecting head is provided with a plurality of connecting holes on one side close to the connecting flange, a plurality of connecting bolts are threadedly connected in the connecting flange, and the connecting bolts are threadedly connected with the connecting head at one end.

[0010] Preferably, the outer surface of the connecting head is provided with a valve, and the connecting position of the connecting head and the connecting flange is provided with a sealing element.

[0011] Preferably, the two sides of the cutting plate are fixedly provided with sliding blocks, and the inner side wall of the cutting shell is provided with a sliding groove, and the sliding groove is slidably connected with the sliding block.

[0012] Preferably, the inner part of the upper connecting plate and the lower connecting plate is provided with a first sealing groove, and the first sealing groove is fixedly provided with a first sealing ring.

[0013] Preferably, the connecting position of the upper connecting plate and the cutting shell is provided with a second sealing groove, and the second sealing groove is fixedly provided with a second sealing ring.

[0014] Preferably, the air cylinder is provided with an air pipe at one side, and the air pipe is fixedly provided with a pipe head at one end.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The pipeline cutting device for community water purification equipment maintenance is characterized in that the upper connecting plate and the lower connecting plate are connected through bolts on the two sides of the water pipe needing maintenance in use, the air cylinder is started, the air cylinder runs to make the cutting plate move downward, the cutting plate cuts the water pipe, then the cutting plate enters the water pipe, and when the bottom of the cutting plate is attached to the inner bottom wall of the water pipe, the water flow is cut off in cooperation with the sealing gasket, so that the water flow is intercepted when the water flow is still flowing.

[0017] 2. The pipeline cutting device for community water purification equipment maintenance is characterized in that the connecting flanges at the two ends of the flow guide pipe are connected with the connecting heads after the water flow in the water pipe is cut off, the valve on the connecting head is opened, the water flow passes through the flow guide pipe at this time, and the water pipe needing maintenance is bypassed, so that the normal water use of residents is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a sectional structure schematic view of the utility model;

[0020] Figure 3 It is a schematic view of the upper connecting plate and the connecting plate of the utility model;

[0021] Figure 4 The utility model discloses a connecting flange and connecting head etc. schematic drawing.

[0022] In the drawing: 1, water pipe; 2, upper connecting plate; 3, lower connecting plate; 4, cut-off shell; 5, air cylinder; 6, cut-off plate; 7, connecting head; 8, connecting flange; 9, flow guide pipe; 10, valve; 11, sealing element; 12, sliding block; 13, sliding groove; 14, first sealing ring; 15, second sealing ring; 16, air pipe; 17, pipe head; 18, sealing gasket. DETAILED DESCRIPTION

[0023] The utility model discloses an embodiment of the utility model will be clearly and completely described below with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of embodiment of the utility model, but is not all embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] A kind of pipeline cutting device for small community water purification equipment maintenance, including water pipe 1, the outer surface of water pipe 1 is provided with upper connecting plate 2 and lower connecting plate 3, the top of upper connecting plate 2 is fixedly installed with cut-off shell 4, the top of cut-off shell 4 is fixedly installed with air cylinder 5, the bottom of air cylinder 5 is fixedly installed with cut-off plate 6, the inner bottom wall of cut-off plate 6 is provided with sealing gasket 18, one side of upper connecting plate 2 is fixedly installed with connecting head 7, one side of connecting head 7 is fixedly installed with connecting flange 8, one side of connecting flange 8 is fixedly installed with flow guide pipe 9, when using, the upper connecting plate 2 and lower connecting plate 3 of the water pipe 1 both sides needing maintenance are connected by bolt, air cylinder 5 is started, air cylinder 5 runs and makes cut-off plate 6 move down, cut-off plate 6 cuts water pipe 1, then cut-off plate 6 enters water pipe 1, when cut-off plate 6 bottom sticks to the inner bottom wall of water pipe 1, cooperate the setting of sealing gasket 18 to cut off water flow, so as to reach the effect of intercepting water flow when water flow is still flowing, after the water flow in water pipe 1 is cut off, connecting flange 8 on both ends of flow guide pipe 9 is connected with connecting head 7, valve 10 on connecting head 7 is opened, water flow passes through flow guide pipe 9 and circulates, bypasses water pipe 1 needing maintenance, so as to reach the effect of not affecting normal water use of residents, it needs to be noted that, before connecting flange 8 is connected with connecting head 7, it needs to drill hole to the position of water pipe 1 close to connecting head 7, to ensure that water flow can enter connecting head 7.

[0026] In the embodiment, preferably, a plurality of threaded holes are formed on both sides of the upper connecting plate 2 and the lower connecting plate 3, and a plurality of bolts are threadedly connected in the threaded holes to connect the upper connecting plate 2 and the lower connecting plate 3.

[0027] Preferably, a plurality of connecting holes are formed on the side of the connecting head 7 close to the connecting flange 8, a plurality of connecting bolts are threadedly connected in the connecting flange 8, and the connecting head 7 is threadedly connected to one end of the connecting bolts.

[0028] Preferably, a valve 10 is arranged on the outer surface of the connecting head 7, and a sealing member 11 is arranged at the connecting position of the connecting head 7 and the connecting flange 8. The valve 10 is used to control the connecting head 7, and the sealing member 11 is used to seal the connecting position of the connecting head 7 and the connecting flange 8 when they are connected, thereby avoiding water leakage.

[0029] Preferably, a sliding block 12 is fixedly arranged on each side of the cutting plate 6, and a sliding groove 13 is formed in the inner side wall of the cutting shell 4. The sliding block 12 is slidably connected in the sliding groove 13. The sliding groove 13 and the sliding block 12 are used to make the cutting plate 6 move more stably.

[0030] Preferably, a first sealing groove is formed in each of the upper connecting plate 2 and the lower connecting plate 3, and a first sealing ring 14 is fixedly arranged in the first sealing groove. The first sealing groove is used to arrange the first sealing ring 14, and the first sealing ring 14 is used to seal the surface of the water pipe 1 and the upper connecting plate 2 and the lower connecting plate 3.

[0031] Preferably, a second sealing groove is formed at the connecting position of the upper connecting plate 2 and the cutting shell 4, and a second sealing ring 15 is fixedly arranged in the second sealing groove. The second sealing ring 15 is used to seal the connecting position of the upper connecting plate 2 and the cutting shell 4.

[0032] Preferably, a gas pipe 16 is arranged on one side of the gas cylinder 5, and a pipe head 17 is fixedly arranged at one end of the gas pipe 16. The gas pipe 16 and the pipe head 17 are connected to an external gas source to make the gas cylinder 5 operate.

[0033] When the pipeline cutting device for repairing the small community water purification equipment is used, the upper connecting plate 2 and the lower connecting plate 3 are connected by bolts at both sides of the water pipe 1 that needs to be repaired. The gas cylinder 5 is started, the gas cylinder 5 operates to make the cutting plate 6 move downward, the cutting plate 6 cuts the water pipe 1, and then the cutting plate 6 enters the water pipe 1. When the bottom of the cutting plate 6 is attached to the inner bottom wall of the water pipe 1, the sealing gasket 18 is arranged to cut off the water flow, thereby achieving the effect of intercepting the water flow when the water flow is still flowing. After the water flow in the water pipe 1 is cut off, the connecting flange 8 at both ends of the flow guide pipe 9 is connected to the connecting head 7, the valve 10 on the connecting head 7 is opened, and the water flow passes through the flow guide pipe 9 to bypass the water pipe 1 that needs to be repaired, thereby achieving the effect of not affecting the normal water use of residents.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit 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. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A pipe cutting device for use in repairing a small cell water purification apparatus, characterized by: The utility model provides a water pipe, the outer surface of water pipe (1) is provided with upper connecting plate (2) and lower connecting plate (3), the top of upper connecting plate (2) is fixedly installed with cut-off shell (4), the top of cut-off shell (4) is fixedly installed with air cylinder (5), the bottom of air cylinder (5) is fixedly installed with cut-off plate (6), the inner bottom wall of cut-off plate (6) is provided with sealing gasket (18), one side of upper connecting plate (2) is fixedly installed with connecting head (7), one side of connecting head (7) is fixedly installed with connecting flange (8), one side of connecting flange (8) is fixedly installed with flow guide pipe (9).

2. The pipe cutting device for maintenance of a small-scale water purification plant according to claim 1, characterized in that: The upper connecting plate (2) and the lower connecting plate (3) are provided with a plurality of threaded holes on both sides, and a plurality of bolts are screwed in the threaded holes.

3. The pipe cutting device for maintenance of a small-scale water purification plant according to claim 1, characterized in that: The connecting head (7) is provided with a plurality of connecting holes on one side close to the connecting flange (8), a plurality of connecting bolts are screwed in the connecting flange (8), and one end of the connecting bolt is screwed with the connecting head (7).

4. The pipe cutting device for maintenance of a small-scale water purification plant according to claim 1, characterized in that: The outer surface of the connecting head (7) is provided with a valve (10), and the connecting part of the connecting head (7) and the connecting flange (8) is provided with a sealing element (11).

5. The pipe cutting device for maintenance of a small-scale water purification plant according to claim 1, characterized in that: The cut-off plate (6) is fixedly installed with a sliding block (12) on both sides, and the inner side wall of the cut-off shell (4) is provided with a sliding groove (13), and the sliding groove (13) is slidably connected with the sliding block (12).

6. A pipe cutting device for servicing a small-scale water purification plant according to claim 1, characterized in that: The upper connecting plate (2) and the lower connecting plate (3) are provided with a first sealing groove in the inside, and the first sealing groove is fixedly installed with a first sealing ring (14).

7. The pipe cutting device for maintenance of a small-scale water purification plant according to claim 1, characterized in that: The connecting part of the upper connecting plate (2) and the cut-off shell (4) is provided with a second sealing groove, and the second sealing groove is fixedly installed with a second sealing ring (15).

8. The pipe cutting device for maintenance of a small-scale water purification plant according to claim 1, characterized in that: The air cylinder (5) is provided with an air pipe (16) on one side, and the air pipe (16) is fixedly installed with a pipe head (17) on one end.

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