A kind of anti-seepage device for water supply and drainage pipes in construction engineering

Abstract

The utility model relates to the field of construction technology and equipment, and in particular to an anti-seepage device for water supply and drainage pipes in construction projects, including a fixing ring and a sealing pad, wherein the fixing ring is a reinforcement carrier for the main sleeve and the pipe to be connected, the fixing ring is sleeved at the outer wall of the main sleeve and the pipe joint, the fixing ring is provided with a plurality of fixing bolts, the fixing bolts are used to loosen and tighten the fixing ring, and the inner wall of the fixing ring is provided with a sealing pad; it also includes a sealing layer 1 and a sealing layer 2, an annular groove is provided between the main sleeve and the pipe to be tightly connected, a sealing layer 1 is provided in the annular groove close to the outer wall of the pipe, and a sealing layer 2 is provided in the annular groove close to the inner wall of the main sleeve. The utility model provides double-layer sealing protection by setting the sealing layer 1 and the sealing layer 2, and can flexibly adjust the sealing pressure according to actual conditions in conjunction with the liquid storage bag and the pressure member to ensure that effective sealing of the pipe joint can be achieved in different environments.

Description

Technical Field

[0001] The utility model relates to the field of construction technology and equipment, in particular to an anti-seepage device for water supply and drainage pipes in construction projects. Background Art

[0002] In construction projects, the water supply and drainage system is a key part to ensure the normal operation of water use and drainage functions inside the building. With the rapid development of the construction industry and the increasing requirements for building safety and durability, the sealing reliability of the pipeline system is crucial to the safety of water supply. The current mainstream technology uses rubber sealing rings, hot-melt welding or mechanical crimping connections.

[0003] Traditionally, sealing structures such as rigid rubber sealing rings, hot-melt welding or mechanical clamping are used to ensure the sealing of pipelines. When faced with complex working conditions such as high-pressure environments, continuous vibrations and frequent thermal cycle changes, the above sealing technologies expose some key problems. First of all, whether it is a metal flange or a seal made of hard plastic, it performs poorly in dealing with the expansion and contraction of the pipeline caused by temperature changes, or the deformation caused by vibration, which can easily accelerate the wear rate of the sealing material. In addition, the traditional grease injection sealing method requires manual regular replenishment of grease, and cannot adjust the sealing pressure in real time according to actual conditions. Therefore, when encountering sudden pressure fluctuations, such as the water hammer effect, leakage accidents are prone to occur. Utility Model Content

[0004] In order to overcome some shortcomings existing in the above-mentioned existing pipeline connection technology, the utility model provides an anti-seepage device for water supply and drainage pipes in construction projects.

[0005] The technical scheme of the utility model is: an anti-seepage device for water supply and drainage pipes in construction projects, including a fixing ring and a sealing gasket, wherein the fixing ring is a reinforcement carrier for the main sleeve and the pipe joint, the fixing ring is sleeved at the outer wall of the main sleeve and the pipe joint, a plurality of fixing bolts are arranged on the fixing ring, the fixing bolts are used to loosen and tighten the fixing ring, and a sealing gasket is arranged on the inner wall of the fixing ring; it also includes a sealing layer 1, a sealing layer 2, a liquid storage capsule and a pressurizing member, an annular groove is arranged between the main sleeve and the pipe tightly jointed, and a layer of sealing is arranged in the annular groove close to the outer wall of the pipe Sealing layer one, the sealing layer one is the first layer of sealing guarantee for the connection between the main casing and the pipeline, a sealing layer two is provided in the annular groove close to the inner wall of the main casing, the sealing layer two is the second layer of sealing guarantee for the connection between the main casing and the pipeline, the sealing layer two is arranged on the periphery of the sealing layer one, a liquid storage bag is provided between the sealing layer one and the sealing layer two, the liquid storage bag is used to expand between the sealing layer one and the sealing layer two, so that the sealing layer one and the sealing layer two are further attached to and sealed at the connection between the main casing and the pipeline, and a pressurizing member for pressurizing the liquid storage bag is provided on the outer wall of the main casing.

[0006] Furthermore, the pressurizing member includes a micro-cylinder and a hollow cavity tube, and the micro-cylinder and the hollow cavity tube are fixedly mounted on the outer wall of the main sleeve, respectively. The piston rod of the micro-cylinder slides and seals through the hollow cavity tube, and the hollow cavity tube is connected to the liquid storage bag through the oil pipe. The liquid storage bag passes through the main sleeve and the second sealing layer, respectively. The piston rod of the micro-cylinder is extended and retracted to allow the hollow cavity tube to pump air into the liquid storage bag through the oil pipe, so that the sealing pressure inside the liquid storage bag can be flexibly changed according to the sealing pressure during loading and unloading.

[0007] Furthermore, the first sealing layer is fluororubber, and the first sealing layer has excellent chemical resistance, heat resistance and weather resistance. The second sealing layer is a polyurethane foam layer, and the second sealing layer has heat preservation, corrosion resistance and shock absorption and buffering properties.

[0008] Furthermore, the sealing layer 1, the sealing layer 2 and the liquid storage bag are all modularly detachably arranged in the annular groove of the main sleeve. When one of the sealing layer 1, the sealing layer 2 and the liquid storage bag is damaged, the damaged layer can be easily replaced, thereby reducing the maintenance cost of the device.

[0009] Furthermore, a micro pressure sensor is also included. The micro pressure sensor is embedded between the sealing layer 1 and the liquid storage capsule, and the micro pressure sensor is used to sense the pressure change between the sealing layer 1 and the liquid storage capsule.

[0010] Furthermore, the micro pressure sensor is electrically connected to a wire, and a controller is installed on the outer wall of the main sleeve. The controller is used to control the micro cylinder. The micro pressure sensor is electrically connected to the controller through the wire. The sealing pressure between the sealing layer 1 and the liquid storage bag is sensed in real time through the micro pressure sensor. When the sealing pressure is abnormal, the controller controls the micro cylinder to increase or decrease the pressure in the liquid storage bag through the hollow cavity tube, so that the sealing layer 1 and the sealing layer 2 can dynamically adjust the sealing pressure between the main sleeve and the pipeline, thereby improving the service life and sealing performance of the sealing layer 1 and the sealing layer 2.

[0011] The beneficial effects are: 1. The utility model provides double-layer sealing protection by setting sealing layer 1 and sealing layer 2. With the liquid storage bag and the pressurizing member, the sealing pressure can be flexibly adjusted according to actual conditions to ensure effective sealing of the pipeline joint in different environments.

[0012] 2. The utility model can monitor the pressure changes between the sealing layer 1 and the liquid storage bag in real time through the built-in micro pressure sensor, and connect it to the controller through a wire to achieve intelligent regulation of the sealing state, ensuring long-term stable and reliable sealing performance.

[0013] 3. The sealing layer 1, the sealing layer 2 and the liquid storage capsule of the utility model are all modularly designed, and can be replaced separately when any layer is damaged, thereby reducing the difficulty and cost of sealing maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a cross-sectional view of the main casing and pipeline docking structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the micro oil cylinder, oil delivery pipe, sealing layer 1 and sealing layer 2 of the utility model.

[0017] Figure 4 It is a schematic diagram of the sealing layer 1, the sealing layer 2 and the micro pressure sensor of the utility model.

[0018] In the accompanying drawings: 1_main sleeve, 2_pipeline, 3_annular groove, 4_sealing pad, 5_fixing ring, 6_fixing bolt, 7_sealing layer one, 8_sealing layer two, 9_liquid storage bag, 10_micro cylinder, 11_hollow cavity tube, 111_oil pipeline, 12_micro pressure sensor, 13_wire, 14_controller. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] A construction engineering water supply and drainage pipe anti-seepage device, such as Figure 1-Figure 4As shown, it includes a fixing ring 5 and a sealing gasket 4. The fixing ring 5 is a reinforcement carrier for the main sleeve 1 and the pipeline 2 to be connected. The fixing ring 5 is sleeved on the outer wall of the connecting pipe joint of the main sleeve 1 and the pipeline 2. A plurality of fixing bolts 6 are arranged on the fixing ring 5. The fixing bolts 6 are used to loosen and tighten the fixing ring 5. The inner wall of the fixing ring 5 is provided with a sealing gasket 4; it also includes a sealing layer 1 7, a sealing layer 2 8, a liquid storage capsule 9 and a pressurizing member. A section of annular groove 3 is arranged between the main sleeve 1 and the pipeline 2 where they are tightly connected. A sealing layer 1 7 is arranged in the annular groove 3 close to the outer wall of the pipeline 2. The sealing layer 1 7 is the first layer of sealing guarantee for the connection between the main sleeve 1 and the pipeline 2. A sealing layer 2 8 is arranged in the annular groove 3 close to the inner wall of the main sleeve 1. The sealing layer 2 8 is the second layer of sealing guarantee for the connection between the main sleeve 1 and the pipeline 2. The sealing layer 2 8 is arranged on the periphery of the sealing layer 1 7, and a liquid storage bag 9 is arranged between the sealing layer 1 7 and the sealing layer 2 8. The liquid storage bag 9 is used to expand between the sealing layer 1 7 and the sealing layer 2 8, so that the sealing layer 1 7 and the sealing layer 2 8 are further pressed and sealed at the joint of the main sleeve 1 and the pipeline 2. A pressurizing member for pressurizing the liquid storage bag 9 is arranged on the outer wall of the main sleeve 1. Before the main sleeve 1 and the pipeline 2 are butt-jointed, an annular groove 3 is first opened on the inner wall of the butt joint of the main sleeve 1. When butt-jointing, the sealing layer 1 7, the sealing layer 2 8 and the liquid storage bag 9 are all filled into the annular groove 3, and the liquid storage bag 9 is pressurized with the pressurizing member, so that the sealing layer 1 7 and the sealing layer 2 8 are effectively sealed at the joint of the main sleeve 1 and the pipeline 2, and then the fixing ring 5 is used with the sealing gasket 4 to reinforce the main sleeve 1 and the pipeline 2.

[0021] like Figure 2 Figure 3 As shown, the pressurizing member includes a micro-cylinder 10 and a hollow cavity tube 11, and the micro-cylinder 10 and the hollow cavity tube 11 are fixedly mounted on the outer wall of the main sleeve 1 respectively. The piston rod of the micro-cylinder 10 slides and seals through the hollow cavity tube 11, and the hollow cavity tube 11 is connected to the liquid storage capsule 9 through the oil pipe 111. The liquid storage capsule 9 passes through the main sleeve 1 and the sealing layer 8 respectively. The piston rod of the micro-cylinder 10 is extended and retracted to allow the hollow cavity tube 11 to pump air into the liquid storage capsule 9 through the oil pipe 111, so that the sealing pressure inside the liquid storage capsule 9 can be flexibly changed according to the sealing pressure during loading and unloading.

[0022] like Figure 3 and Figure 4 As shown, the sealing layer 1 7 is fluororubber, and the sealing layer 1 7 has excellent chemical resistance, heat resistance and weather resistance. The sealing layer 2 8 is a polyurethane foam layer, and the sealing layer 2 8 has heat preservation, corrosion resistance and shock absorption and buffering properties.

[0023] like Figure 2 and Figure 3As shown, the sealing layer 1 7, the sealing layer 2 8 and the liquid storage capsule 9 are all modularly detachably arranged in the annular groove 3 of the main sleeve 1. When one of the sealing layer 1 7, the sealing layer 2 8 and the liquid storage capsule 9 is damaged, the damaged layer can be easily replaced, thereby reducing the maintenance cost of the device.

[0024] like Figure 3 and Figure 4 As shown, it also includes a micro pressure sensor 12, which is embedded between the sealing layer 17 and the liquid storage capsule 9, and is used to sense the pressure change between the sealing layer 17 and the liquid storage capsule 9; a wire 13 is electrically connected to the micro pressure sensor 12, and a controller 14 is installed on the outer wall of the main sleeve 1, and the controller 14 is used to control the micro cylinder 10. The micro pressure sensor 12 is electrically connected to the controller 14 through the wire 13, and the sealing pressure between the sealing layer 17 and the liquid storage capsule 9 is sensed in real time through the micro pressure sensor 12. When the sealing pressure is abnormal, the controller 14 controls the micro cylinder 10, so that the micro cylinder 10 increases or decreases the pressure in the liquid storage capsule 9 through the hollow cavity tube 11, so that the sealing layer 17 and the sealing layer 2 8 can dynamically adjust the sealing pressure between the main sleeve 1 and the pipeline 2, thereby improving the service life and sealing performance of the sealing layer 17 and the sealing layer 2 8.

[0025] Before installation, firstly, an annular groove 3 is opened on the inner wall of the main sleeve 1 and the pipeline 2 by using a tool, and the modular fluororubber sealing layer 1 7, the polyurethane foam sealing layer 2 8 and the liquid storage capsule 9 are filled into the groove in sequence. After the docking is completed, the fixing ring 5 is sleeved on the outer wall of the pipe mouth and locked by the fixing bolt 6. The fixing ring 5 applies pressure to the docking point between the main sleeve 1 and the pipeline 2 through the sealing gasket 4 and forms a preliminary reinforcement. Then, the micro-cylinder 10 is started, and its piston rod telescopes to drive the hollow cavity tube 11 to produce a pressure change, and the pressure is transmitted to the liquid storage capsule 9 through the oil pipeline 111, causing it to expand and squeeze the sealing layer 1 7 and the sealing layer 2 8, forcing the two to fit tightly. A double-layer sealing barrier is formed at the joint between the main casing 1 and the pipeline 2. The fluororubber used in the sealing layer 1 7 resists medium erosion by virtue of its chemical resistance and heat resistance. The polyurethane foam used in the sealing layer 2 8 provides thermal insulation and buffering and compensates for small displacements. The micro pressure sensor 12 is used to monitor the pressure between the sealing layers in real time. When the pressure is abnormal (such as deformation caused by leakage or temperature change), the controller 14 automatically adjusts the action of the micro cylinder 10 to dynamically increase or decrease the pressure in the liquid storage capsule 9 to ensure a stable sealing effect. If a layer of sealing components is damaged, the modular design allows for quick disassembly and replacement of the sealing layer 1 7, the sealing layer 2 8 and the liquid storage capsule 9, significantly reducing maintenance costs.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water supply and drainage pipe anti-seepage device for a construction project, comprising a fixing ring (5) and a sealing gasket (4), wherein the fixing ring (5) is sleeved on the outer wall of the main sleeve (1) and the pipe (2) butt joint, and the fixing ring (5) is provided with a plurality of fixing bolts (6), and the fixing bolts (6) are used to loosen or tighten the fixing ring (5), and the inner wall of the fixing ring (5) is provided with a sealing gasket (4); It is characterized in that The invention also comprises a sealing layer 1 (7), a sealing layer 2 (8), a liquid storage bag (9) and a pressurizing member, wherein an annular groove (3) is provided between the main sleeve (1) and the pipe (2) where they are tightly connected, a sealing layer 1 (7) is provided in the annular groove (3) close to the outer wall of the pipe (2), a sealing layer 2 (8) is provided in the annular groove (3) close to the inner wall of the main sleeve (1), the sealing layer 2 (8) is provided on the periphery of the sealing layer 1 (7), a liquid storage bag (9) is provided between the sealing layer 1 (7) and the sealing layer 2 (8), and a pressurizing member for pressurizing the liquid storage bag (9) is provided on the outer wall of the main sleeve (1).

2. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: The pressurizing member comprises a micro-cylinder (10) and a hollow cavity tube (11); the micro-cylinder (10) and the hollow cavity tube (11) are respectively fixedly mounted on the outer wall of the main sleeve (1); the piston rod of the micro-cylinder (10) is slidably sealed and penetrates into the hollow cavity tube (11); the hollow cavity tube (11) is connected to a liquid storage capsule (9) via an oil delivery pipe (111); and the liquid storage capsule (9) penetrates the main sleeve (1) and the second sealing layer (8) respectively.

3. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 2, characterized in that: The first sealing layer (7) is made of fluororubber, and the second sealing layer (8) is made of polyurethane foam layer.

4. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 3, characterized in that: The sealing layer 1 (7), the sealing layer 2 (8) and the liquid storage bag (9) are all modularly detachably arranged in the annular groove (3) of the main sleeve (1).

5. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 4, characterized in that: It also includes a micro pressure sensor (12), which is embedded between the sealing layer 1 (7) and the liquid storage capsule (9).

6. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 5, characterized in that: The micro pressure sensor (12) is electrically connected to a wire (13); a controller (14) is mounted on the outer wall of the main sleeve (1); the controller (14) is used to control the micro oil cylinder (10); and the micro pressure sensor (12) is electrically connected to the controller (14) via the wire (13).

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