Anti-leakage and pressure-resistant pipeline structure for municipal water supply

Abstract

The utility model relates to the technical field of municipal water supply, and discloses a municipal water supply anti-seepage pressure-resistant pipeline structure which comprises two supporting frames, an anti-seepage mechanism is arranged on the outer sides of the two supporting frames, and the anti-seepage mechanism comprises a first pipeline outer protective layer and a second pipeline outer protective layer. A first fastening hoop and a second fastening hoop are arranged on the outer side of the first pipeline outer protection layer, and the inner wall of the first pipeline outer protection layer is fixedly connected with a socket end. According to the anti-seepage and pressure-resistant pipeline structure for municipal water supply, through mutual cooperation of the first pipeline outer protective layer, the second pipeline outer protective layer, the anti-seepage layer, the pressure-bearing layer and the lining layer and a multi-layer protective system from the lining layer to the anti-seepage layer, the overall water permeability of the pipeline is reduced compared with that of a traditional pipeline, and in the long-term operation process, the water permeability of the pipeline is reduced; the leakage loss of water resources is greatly reduced, and the problems that the water resources are wasted and even the water supply is interrupted due to the fact that pipelines are easily damaged under the influence of soil extrusion, traffic load and temperature change are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal water supply technical field, concretely is a municipal water supply is with anti -leakage pressure pipeline structure. BACKGROUND

[0002] Municipal water supply is the component part of city public utilities, and municipal water supply planning is the component part of city overall planning, and municipal water supply is usually composed of water source, water conveying pipe, water plant and distribution pipe network, after taking water from the water source, the treated water is sent to the user through the distribution pipe network after being pressurized.

[0003] The utility model with the publication number CN218152842U discloses a municipal water supply pipeline protection device, a first connecting pipe and a second connecting pipe, the inner diameters of the first connecting pipe and the second connecting pipe are different, and the first connecting pipe and the second connecting pipe are integrated structures, an annular plate is slidably arranged in the first connecting pipe, and a rubber ring is arranged on the annular plate to allow the rubber ring to buffer the water pressure in the first connecting pipe through deformation.

[0004] The above technical scheme can realize the following effects: when a thicker water supply pipeline enters the second connecting pipe through the first connecting pipe during use, the water flow in the first connecting pipe rises in water pressure due to reduced flow, at which time part of the connecting assembly is contracted, and the rubber ring deforms to reduce the water pressure in the first connecting pipe and the second connecting pipe, thereby avoiding damage to the water supply pipeline on the first connecting pipe and the second connecting pipe due to excessive water pressure.

[0005] Therefore, the technical personnel in the art provide a municipal water supply anti-leakage pressure pipeline structure to solve the problems in the above background. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a municipal water supply anti-leakage pressure pipeline structure to solve the problems in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A municipal water supply anti-leakage pressure pipeline structure comprises two support frames, and the outer sides of the two support frames are provided with an anti-leakage mechanism.

[0009] The anti-seepage mechanism comprises a first pipe outer sheath and a second pipe outer sheath, the outer side of the first pipe outer sheath is respectively provided with a first fastening hoop and a second fastening hoop, the inner wall of the first pipe outer sheath is fixedly connected with a socket end, the outer side of the socket end is provided with a first annular groove, the inside of the second pipe outer sheath is provided with a second annular groove, the inner wall of the first pipe outer sheath and the inner wall of the second pipe outer sheath are fixedly connected with an anti-seepage layer, the inner wall of each anti-seepage layer is fixedly connected with a pressure bearing layer, the inner wall of each pressure bearing layer is fixedly connected with an inner lining layer, and the outer surface of the socket end is in contact with the inner wall of the second pipe outer sheath.

[0010] As a further scheme of the utility model: the outer surface of the first fastening hoop and the outer surface of the second fastening hoop are fixedly connected with sealing glue, the inner wall of one of the sealing glue is fixedly connected with the outer surface of the first pipe outer sheath, and the inner wall of the other sealing glue is fixedly connected with the outer surface of the second pipe outer sheath.

[0011] As a further scheme of the utility model: the outer surface of the second fastening hoop is provided with a plurality of same threaded holes, the inner wall of each group of threaded holes is screw-connected with two fixing bolts, and the outer surface of each group of fixing bolts is screw-connected with the inner wall of the first fastening hoop.

[0012] As a further scheme of the utility model: the outer surface of each group of fixing bolts is screw-connected with two limiting nuts, and the top end of each group of limiting nuts is in contact with the outer surface of the second fastening hoop.

[0013] As a further scheme of the utility model: the inside of the first annular groove is provided with a first sealing ring, and the outer surface of the first sealing ring is in contact with the inner wall of the second pipe outer sheath.

[0014] As a further scheme of the utility model: the inside of the second annular groove is provided with a second sealing ring, and the inner ring of the second sealing ring is in contact with the outer surface of the socket end.

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

[0016] The utility model discloses a first pipeline outer protective layer, second pipeline outer protective layer, anti -infiltration layer, pressure -bearing layer and the mutual cooperation between inner lining are provided with, from the multilayer protection system of inner lining to anti -infiltration layer, combine precision connection structure, make pipeline whole water permeation rate compared with traditional pipeline reduces, in the long -term operation process, greatly reduce water resource leakage loss, fit water -saving city construction concept, guarantee water resource efficient utilization, through the flexible socket type connection mode, discard complex welding process, construction site does not need large -scale welding equipment and professional welder, ordinary worker can complete pipeline connection fast after simple training, shorten construction period, and the pipeline is lighter, and the operation is simple, improves municipal engineering construction efficiency, can effectively avoid the influence when soil extrusion, traffic load and temperature change, pipeline is extremely easy to appear damage, and the problem of causing water resource waste even water supply interruption is caused. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of municipal water supply and prevent leakage pressure pipeline structure whole three-dimensional structure schematic diagram;

[0018] Figure 2 It is a kind of municipal water supply and prevent leakage pressure pipeline structure in the socket end three-dimensional structure schematic diagram;

[0019] Figure 3 It is a kind of municipal water supply and prevent leakage pressure pipeline structure in the first annular groove three-dimensional structure schematic diagram;

[0020] Figure 4 It is a kind of municipal water supply and prevent leakage pressure pipeline structure in the second pipeline outer protective layer three-dimensional structure schematic diagram;

[0021] Figure 5 It is a kind of municipal water supply and prevent leakage pressure pipeline structure in the second annular groove three-dimensional structure schematic diagram;

[0022] Figure 6 It is a kind of municipal water supply and prevent leakage pressure pipeline structure in the anti -infiltration layer three-dimensional structure schematic diagram;

[0023] Figure 7 It is a kind of municipal water supply and prevent leakage pressure pipeline structure in the first fastening hoop three-dimensional structure schematic diagram.

[0024] In the drawing: 1, support frame;2, anti -infiltration mechanism;201, first pipeline outer protective layer;202, second pipeline outer protective layer;203, socket end;204, first annular groove;205, second annular groove;206, inner lining;207, pressure -bearing layer;208, anti -infiltration layer;209, first fastening hoop;210, second fastening hoop;3, sealant;4, first sealing ring;5, threaded hole;6, second sealing ring;7, fixed bolt;8, limit nut. DETAILED DESCRIPTION

[0025] Please refer to Figures 1-7 The utility model provides a kind of municipal water supply anti-seepage pressure pipeline structure, including two support frames 1, the outer side of two support frames 1 is collectively provided with anti-seepage mechanism 2, anti-seepage mechanism 2 includes first pipeline outer sheath 201 and second pipeline outer sheath 202, the outer side of first pipeline outer sheath 201 is respectively provided with first fastening hoop 209 and second fastening hoop 210, the outer surface of first fastening hoop 209 and the outer surface of second fastening hoop 210 are collectively fixedly connected with sealing glue 3, the inner wall of one sealing glue 3 is fixedly connected with the outer surface of first pipeline outer sheath 201, the inner wall of another sealing glue 3 is fixedly connected with the outer surface of second pipeline outer sheath 202, by sealing glue 3, it can form composite sealing system with first pipeline outer sheath 201, second pipeline outer sheath 202, first fastening hoop 209 and second fastening hoop 210, can withstand greater external water pressure impact and shear force due to ground subsidence, ensure that connection position does not seep for a long time, not loose.

[0026] The inner wall of first pipeline outer sheath 201 is fixedly connected with spigot end 203, the outer side of spigot end 203 is provided with first annular groove 204, the outer surface of second fastening hoop 210 is provided with several same screw holes 5, the inner wall of each group of screw holes 5 is threadedly connected with two fixed bolts 7, the outer surface of each group of fixed bolts 7 is threadedly connected with the inner wall of first fastening hoop 209, by fixed bolt 7, first fastening hoop 209 and second fastening hoop 210 can be fixed, and the stability of the device is enhanced.

[0027] The inside of second pipeline outer sheath 202 is provided with second annular groove 205, the inner wall of first pipeline outer sheath 201 and the inner wall of second pipeline outer sheath 202 are fixedly connected with anti-seepage layer 208, the outer surface of each group of fixed bolts 7 is threadedly connected with two limiting nuts 8, the top end of each group of limiting nuts 8 is in contact with the outer surface of second fastening hoop 210, by limiting nut 8, the position of second fastening hoop 210 can be limited, and the function of fixed limiting is played.

[0028] The inner wall of each anti-seepage layer 208 is fixedly connected with pressure-bearing layer 207, the inner wall of each pressure-bearing layer 207 is fixedly connected with inner lining layer 206, the inside of first annular groove 204 is provided with first sealing ring 4, the outer surface of first sealing ring 4 is in contact with the inner wall of second pipeline outer sheath 202, by first sealing ring 4, gap can be tightly filled, first sealing defense line is formed, effectively prevent leakage at connecting.

[0029] The outer surface of the socket end 203 is in contact with the inner wall of the second pipeline outer sheath 202, the inside of the second annular groove 205 is provided with a second sealing ring 6, the inner ring of the second sealing ring 6 is in contact with the outer surface of the socket end 203, and through the second sealing ring 6, a second sealing line can be formed, and the pipeline can be further prevented from leaking during use.

[0030] The working principle of the utility model is: in use, first, the socket end 203 is inserted into the second pipeline outer sheath 202, when the socket end 203 is inserted, the first sealing ring 4 and the second sealing ring 6 are deformed by extrusion, tightly fill the gap, form a sealing line, can effectively prevent the leakage of the connecting part, then the first fastening hoop 209 and the second fastening hoop 210 are arranged around the interface outside, the fastening hoop is fastened by the fixed bolt 7, after being tightened, the pipeline outer wall at the interface is tightly attached, further limits the tendency of the socket to be pulled out, enhances the stability of the connection, at the same time, the high-strength sealant 3 is filled in the interface gap, after the sealant 3 solidifies, a composite sealing system is formed with the first sealing ring 4, the second sealing ring 6 and the pipeline outer wall, can withstand higher external water pressure impact and shear force due to foundation settlement, ensure that the connecting part does not leak and does not come off for a long time, and the anti-seepage layer 208 adopts an advanced high-molecular polymer anti-seepage membrane, the molecular structure is dense, the water seepage rate is as low as nearly zero, effectively prevents water molecules from penetrating to the outside of the pipeline, and the anti-seepage membrane has excellent flexibility and self-healing property, even if the pipeline is slightly scratched or cracked, under the action of internal water pressure, the material molecules can automatically fill the gap, continuously maintain the anti-seepage effect, and the inner lining layer 206 is the first barrier directly contacting the conveying water body, selects high-quality high-density polyethylene material meeting the food-grade sanitary standard, the inner wall is extremely smooth, the roughness coefficient is low, effectively reduces the water flow resistance, guarantees smooth water flow, reduces energy consumption, at the same time, the material has good chemical stability, is resistant to acid and alkali corrosion, can prevent various chemical substances in the water from eroding the inner lining layer 206, eliminates water pollution hazards, ensures that the resident water is pure and safe, can effectively avoid the problem that the pipeline is easily damaged when affected by soil extrusion, traffic load and temperature change, and water resources are wasted or even water supply is interrupted.

[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A leak-tight and pressure-resistant pipe structure for municipal water supply, comprising two support frames (1), characterized in that: The outer sides of the two support frames (1) are provided with a leakage prevention mechanism (2) in common; The leakage prevention mechanism (2) comprises a first pipe outer sheath (201) and a second pipe outer sheath (202), the outer side of the first pipe outer sheath (201) is respectively provided with a first fastening hoop (209) and a second fastening hoop (210), the inner wall of the first pipe outer sheath (201) is fixedly connected with a socket end (203), the outer side of the socket end (203) is provided with a first annular groove (204), the inside of the second pipe outer sheath (202) is provided with a second annular groove (205), the inner wall of the first pipe outer sheath (201) and the inner wall of the second pipe outer sheath (202) are fixedly connected with a leakage prevention layer (208), the inner wall of each leakage prevention layer (208) is fixedly connected with a pressure bearing layer (207), the inner wall of each pressure bearing layer (207) is fixedly connected with an inner lining layer (206), and the outer surface of the socket end (203) is in contact with the inner wall of the second pipe outer sheath (202).

2. A leakage-proof pressure-resistant pipe structure for municipal water supply according to claim 1, characterized in that: The outer surfaces of the first fastening hoop (209) and the second fastening hoop (210) are fixedly connected with sealing glue (3) in common, the inner wall of one of the sealing glue (3) is fixedly connected with the outer surface of the first pipe outer sheath (201), and the inner wall of the other sealing glue (3) is fixedly connected with the outer surface of the second pipe outer sheath (202).

3. A leakage-proof pressure-resistant pipe structure for municipal water supply according to claim 1, characterized in that: The outer surface of the second fastening hoop (210) is provided with a plurality of same threaded holes (5), the inner wall of each group of threaded holes (5) is threadedly connected with two fixing bolts (7), and the outer surface of each group of fixing bolts (7) is threadedly connected with the inner wall of the first fastening hoop (209).

4. A leak-proof pressure-resistant pipe structure for municipal water supply according to claim 3, characterized in that: The outer surfaces of each group of fixing bolts (7) are threadedly connected with two limiting nuts (8), and the top ends of each group of limiting nuts (8) are in contact with the outer surface of the second fastening hoop (210).

5. A leakage-proof pressure-resistant pipe structure for municipal water supply according to claim 1, characterized in that: The inside of the first annular groove (204) is provided with a first sealing ring (4), and the outer surface of the first sealing ring (4) is in contact with the inner wall of the second pipe outer sheath (202).

6. A leakage-proof pressure-resistant pipe structure for municipal water supply according to claim 1, characterized in that: The inside of the second annular groove (205) is provided with a second sealing ring (6), and the inner ring of the second sealing ring (6) is in contact with the outer surface of the socket end (203).

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