A wall-penetrating structure for building water supply and drainage pipes

Abstract

This utility model belongs to the field of water supply and drainage pipeline construction technology, specifically providing a wall-penetrating structure for building water supply and drainage pipelines. It includes a wall-penetrating sleeve, in which the water supply and drainage pipes pass, and the two are sealed together by multiple sealing components. Each sealing component includes a mounting base, an elastic airbag, and an air guide pipe. The mounting base is fitted onto the water supply and drainage pipe and has an mounting groove. One side of the elastic airbag is fixedly installed at the bottom of the mounting groove. One end of the air guide pipe communicates with the elastic airbag, and the other end communicates with an external air pump or is sealed by a sealing plug. The other end extends beyond the top of the mounting groove under the action of the external air pump, abutting against the inner wall of the wall-penetrating sleeve. This utility model, through the arrangement of multiple sealing components including a mounting base, an elastic airbag, and an air guide pipe, allows for temporary assembly and disassembly of the water supply and drainage pipes and the wall-penetrating sleeve by inflating and deflating the elastic airbag, which is convenient and quick. Furthermore, it can adaptively adjust according to the deformation of the wall-penetrating sleeve, ensuring the sealing performance between the two.

Description

Technical Field

[0001] This utility model relates to the field of water supply and drainage pipeline construction technology, and specifically to a wall-penetrating structure for building water supply and drainage pipelines. Background Technology

[0002] During building construction, water supply and drainage pipes need to pass through the outer walls of buildings and structures. The desired waterproof sealing effect is usually achieved by using through-wall sleeve waterproof sealing structure.

[0003] In the early stages of construction, the locations of water supply and drainage pipes are not yet determined. Most existing waterproofing and sealing structures are fixed, making disassembly and installation cumbersome, and some are even disposable. Forced removal prevents reuse, impacting the construction cycle and wasting materials. Furthermore, when wall sleeves deform due to building or structural settlement, existing waterproofing and sealing structures cannot be effectively installed, leading to poor sealing after installation. Moreover, deformation after installation can easily damage the waterproofing and sealing structure, further deteriorating the sealing effect. Utility Model Content

[0004] To address the technical problems in the prior art, this utility model provides a wall-penetrating structure for building water supply and drainage pipes, including a wall-penetrating sleeve pre-embedded in the wall structure. A water supply and drainage pipe passes through the wall-penetrating sleeve, and the water supply and drainage pipe and the wall-penetrating sleeve are sealed together by multiple sealing components. These sealing components are spaced apart along the axial direction of the wall-penetrating sleeve. Each sealing component includes a mounting base, an elastic airbag, and an air guide pipe. The mounting base is fitted onto the water supply and drainage pipe and is sealed to it. The mounting base has a mounting groove surrounding the water supply and drainage pipe. One side of the elastic airbag is fixedly installed at the bottom of the mounting groove. One end of the air guide pipe extends into the mounting groove and communicates with the elastic airbag, while the other end extends out of the wall-penetrating sleeve and communicates with an external air pump or is sealed by a sealing plug. The opposite side of the elastic airbag extends out of the top of the mounting groove under the action of the external air pump and abuts against the inner wall of the wall-penetrating sleeve.

[0005] Furthermore, the inner wall of the through-wall sleeve is provided with multiple annular connecting grooves, each of which corresponds to a sealing component, and the elastic airbag extends out of the top of the mounting groove and abuts against the connecting groove.

[0006] Furthermore, two limiting cover plates are fixedly installed on the mounting base. The limiting cover plates are installed on the top of the mounting groove. The two limiting cover plates are arranged relatively apart, and a limiting groove for the elastic airbag to pass through is formed between the two limiting cover plates.

[0007] Furthermore, a pressure sensor is provided at the bottom of the limiting cover plate. The pressure sensor is connected to an external air pump through a controller. When the pressure exerted by the elastic airbag on the pressure sensor reaches the set value of the elastic airbag, the controller controls the external air pump to stop working.

[0008] Furthermore, a wall-penetrating structure for building water supply and drainage pipes also includes a connecting pipe, which is provided with multiple connecting joints. The multiple connecting joints are respectively connected to multiple air guide pipes, and the connecting pipe extends out of the wall-penetrating sleeve and is connected to an external air pump.

[0009] Furthermore, the water supply and drainage pipe is also fitted with two end caps, which are detachably connected to both ends of the through-wall sleeve.

[0010] Beneficial effects:

[0011] 1. In this utility model, by setting up multiple sealing components including mounting bases, elastic airbags, and air guide tubes, the temporary installation and removal of water supply and drainage pipes and wall sleeves can be achieved by inflating and deflating the elastic airbags. This is convenient and quick, and can adaptively adjust according to the deformation of the wall sleeves to ensure the sealing performance between the two. Specifically, during installation, firstly, select an appropriate number of sealing components according to the sealing performance level and the length of the wall sleeve. Then, fix the sealing components on the water supply and drainage pipes, ensuring that the sealing components are located inside the wall sleeves when the water supply and drainage pipes are installed. Finally, inflate the elastic airbags with an external air pump and air guide tubes, causing them to expand and abut against the inner wall of the wall sleeves. The air guide tubes are then sealed with a sealing plug. During the above process, the inflation time of the elastic airbags can be confirmed by monitoring the pressure of the external air pump and whether the water supply and drainage pipes can be moved by applying a certain force. During disassembly, simply open the sealing plug and use the external air pump to evacuate the air. In addition, regardless of whether the wall sleeve deforms before or after installation, the elastic airbag will adaptively adjust according to the gap between the water supply and drainage pipe and the wall sleeve. Combined with the setting of the installation groove, it can facilitate the installation of the elastic airbag, limit its expansion direction, improve the sealing effect, and at the same time provide appropriate protection for the elastic airbag to avoid direct friction with the inner wall of the wall sleeve during disassembly and assembly.

[0012] 2. In this utility model, the expansion volume of the elastic airbag can be limited by the setting of the connecting groove, thereby improving the sealing performance. At the same time, it can prevent relative sliding between the water supply and drainage pipe and the wall sleeve, and improve the fixing effect between the two. Specifically, when the elastic airbag enters the connecting groove, due to the limitation of the two side walls, the elastic airbag and the two side walls of the connecting groove will fit more tightly, thereby improving the sealing effect between the two. In addition, the elastic airbag and the connecting groove form a pin hole fit.

[0013] 3. In this utility model, by setting up connecting pipes and multiple connecting joints, multiple elastic airbags can be inflated and deflated simultaneously, improving inflation and deflation efficiency, while also ensuring that the air pressure of multiple elastic airbags is equal, further improving the sealing effect.

[0014] 4. In this utility model, the end cap prevents foreign objects from entering the through-wall sleeve, thereby improving the service life of the elastic airbag. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall installation structure of this utility model;

[0017] Figure 2 for Figure 1 Detailed structural diagram of point A in the middle;

[0018] Figure 3 This is a schematic diagram of the installation structure when the elastic airbag of this utility model is located in the installation groove.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Through-wall sleeve; 2. Water supply and drainage pipe; 3. Mounting base; 4. Elastic airbag; 5. Air guide pipe; 6. Connecting groove; 7. Limiting cover plate; 8. End cover. Detailed Implementation

[0021] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0022] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0024] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0025] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0027] This utility model provides a wall-penetrating structure for building water supply and drainage pipes, such as Figure 1 , Figure 2 and Figure 3 As shown, the system includes a through-wall sleeve 1 embedded in the wall structure, a water supply and drainage pipe 2 passing through the through-wall sleeve 1, and a sealed connection between the water supply and drainage pipe 2 and the through-wall sleeve 1 through multiple sealing components. The multiple sealing components are spaced apart along the axial direction of the through-wall sleeve 1. Each sealing component includes a mounting base 3, an elastic airbag 4, and an air guide pipe 5. The mounting base 3 is sleeved on the water supply and drainage pipe 2 and is sealed to the water supply and drainage pipe 2. The mounting base 3 has a mounting groove surrounding the water supply and drainage pipe 2. One side of the elastic airbag 4 is fixedly installed at the bottom of the mounting groove. One end of the air guide pipe 5 extends into the mounting groove and communicates with the elastic airbag 4, while the other end extends out of the through-wall sleeve 1 and communicates with an external air pump or is sealed by a sealing plug. The opposite side of the elastic airbag 4 extends out of the top of the mounting groove under the action of the external air pump and abuts against the inner wall of the through-wall sleeve 1.

[0028] In this embodiment, by setting up multiple sealing components including mounting base 3, elastic airbag 4, and air guide tube 5, the temporary installation and removal of water supply and drainage pipe 2 and wall sleeve 1 can be achieved by inflating and deflating elastic airbag 4. This is convenient and quick, and can adaptively adjust according to the deformation of wall sleeve 1 to ensure the sealing performance between the two. Specifically, during installation, an appropriate number of sealing components are selected according to the sealing performance level and the length of wall sleeve 1. Then, the sealing components are fixedly installed on water supply and drainage pipe 2. A sealing gasket can be set between them to ensure that the sealing components are located inside wall sleeve 1 when water supply and drainage pipe 2 is inserted. Finally, air is injected into elastic airbag 4 through external air pump and air guide tube 5, causing it to expand and abut against the inner wall of wall sleeve 1. The air guide tube 5 is then sealed by sealing plug. During the above process, the inflation time of elastic airbag 4 can be confirmed by monitoring the pressure of external air pump and whether water supply and drainage pipe 2 can be moved by applying a certain force. During disassembly, simply open the sealing plug and use external air pump to evacuate the air. In addition, regardless of whether the through-wall sleeve 1 deforms before or after installation, the elastic airbag 4 will adaptively adjust according to the gap between the water supply and drainage pipe 2 and the through-wall sleeve 1. Combined with the setting of the installation groove, it can facilitate the installation of the elastic airbag 4, limit its expansion direction, improve the sealing effect, and at the same time provide appropriate protection for the elastic airbag 4 to avoid direct friction with the inner wall of the through-wall sleeve 1 during disassembly and assembly.

[0029] In this utility model, preferably, such as Figure 1 and Figure 2 As shown, the inner wall of the through-wall sleeve 1 is provided with a plurality of annular connecting grooves 6, and the plurality of connecting grooves 6 correspond one-to-one with the plurality of sealing components. The elastic airbag 4 extends out of the top of the mounting groove and abuts against the connecting groove 6.

[0030] In this embodiment, the expansion volume of the elastic airbag 4 can be limited by the connection groove 6, thereby improving the sealing performance. At the same time, it can prevent relative sliding between the water supply and drainage pipe 2 and the through sleeve 1, and improve the fixing effect between the two. Specifically, when the elastic airbag 4 enters the connection groove 6, due to the limitation of the two side walls, the elastic airbag 4 and the two side walls of the connection groove 6 will fit more tightly, thereby improving the sealing effect between the two. In addition, a pin hole fit is formed between the elastic airbag 4 and the connection groove 6.

[0031] In this utility model, preferably, such as Figure 1 , Figure 2 and Figure 3As shown, two limiting cover plates 7 are fixedly installed on the mounting base 3. The limiting cover plates 7 are installed on the top of the mounting groove. The two limiting cover plates 7 are arranged opposite to each other and spaced apart, forming a limiting groove between the two limiting cover plates 7 for the elastic airbag 4 to pass through. A pressure sensor is provided at the bottom of the limiting cover plate 7. The pressure sensor is connected to an external air pump through a controller. When the squeezing force of the elastic airbag 4 on the pressure sensor reaches the set value of the elastic airbag 4, the controller controls the external air pump to stop working.

[0032] In this embodiment, the limiting cover plate 7 can prevent the elastic airbag 4 from falling out of the mounting groove; combined with the setting of the pressure sensor and controller, the pressure value of the elastic airbag 4 can be measured to avoid damage to the elastic airbag 4 due to over-inflation.

[0033] In this utility model, preferably, such as Figure 1 and Figure 2 As shown, a wall-penetrating structure for building water supply and drainage pipes also includes a connecting pipe (not shown in the figure). The connecting pipe is provided with multiple connecting joints, which are respectively connected to multiple air guide pipes 5. The connecting pipe extends out of the wall-penetrating sleeve 1 and is connected to an external air pump.

[0034] In this embodiment, by using a connecting pipe (not shown in the figure) and multiple connecting joints, multiple elastic airbags 4 can be inflated and deflated simultaneously, improving inflation and deflation efficiency. At the same time, it can also ensure that the air pressure of multiple elastic airbags 4 is equal, further improving the sealing effect.

[0035] In this utility model, preferably, such as Figure 1 As shown, the water supply and drainage pipe 2 is also fitted with two end caps 8. The two end caps 8 are detachably connected to both ends of the through-wall sleeve 1. During installation and disassembly, the end caps 8 can be slid to engage or disengage with the end of the through-wall sleeve 1.

[0036] In this embodiment, the end cap 8 prevents debris from entering the through-wall sleeve 1, thereby improving the service life of the elastic airbag 4.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A wall-penetrating structure for building water supply and drainage pipes, comprising a wall-penetrating sleeve (1) pre-embedded in the wall structure, a water supply and drainage pipe (2) passing through the wall-penetrating sleeve (1), the water supply and drainage pipe (2) and the wall-penetrating sleeve (1) being sealed together by a plurality of sealing components, the plurality of sealing components being spaced apart along the axial direction of the wall-penetrating sleeve (1), characterized in that, The sealing assembly includes a mounting base (3), an elastic airbag (4), and an air guide tube (5). The mounting base (3) is fitted onto the water supply and drainage pipe (2) and is sealed to the water supply and drainage pipe (2). The mounting base (3) has a mounting groove surrounding the water supply and drainage pipe (2). One side of the elastic airbag (4) is fixedly installed at the bottom of the mounting groove. One end of the air guide tube (5) extends into the mounting groove and communicates with the elastic airbag (4). The other end extends out of the wall sleeve (1) and communicates with an external air pump or is sealed by a sealing plug. The opposite side of the elastic airbag (4) extends out of the top of the mounting groove under the action of the external air pump and abuts against the inner wall of the wall sleeve (1).

2. The wall-penetrating structure for building water supply and drainage pipes according to claim 1, characterized in that, The inner wall of the through-wall sleeve (1) is provided with multiple annular connecting grooves (6), and the multiple connecting grooves (6) correspond one-to-one with the multiple sealing components. The elastic airbag (4) extends out of the top of the mounting groove and abuts against the connecting groove (6).

3. A wall-penetrating structure for building water supply and drainage pipes according to claim 2, characterized in that, Two limiting cover plates (7) are fixedly installed on the mounting base (3). The limiting cover plates (7) are installed on the top of the mounting groove. The two limiting cover plates (7) are arranged at a distance from each other, and a limiting groove for the elastic airbag (4) to pass through is formed between the two limiting cover plates (7).

4. A wall-penetrating structure for building water supply and drainage pipes according to claim 3, characterized in that, The bottom of the limiting cover plate (7) is provided with a pressure sensor. The pressure sensor is connected to an external air pump through a controller. When the pressure of the elastic airbag (4) on the pressure sensor reaches the set value of the elastic airbag (4), the controller controls the external air pump to stop working.

5. A wall-penetrating structure for building water supply and drainage pipes according to any one of claims 1 to 4, characterized in that, It also includes a connecting pipe, which is provided with multiple connecting joints. The multiple connecting joints are respectively connected to multiple air guide pipes (5). The connecting pipe extends out of the wall sleeve (1) and is connected to an external air pump.

6. A wall-penetrating structure for building water supply and drainage pipes according to claim 1, characterized in that, Two end caps (8) are also fitted on the water supply and drainage pipe (2), and the two end caps (8) are detachably connected to both ends of the through-wall sleeve (1).

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