Sealing structure of large box through-cabin pipe in limited space

Abstract

The utility model relates to the technical field of sealing structure, disclose a kind of sealing structure of large box body in limited space is passed cabin pipe fitting, including cabin, the inner wall bottom of cabin is fixedly connected with box body, the right side of cabin is equipped with cabin hole, the right side of box body is fixedly connected with cabin pipe, and cabin pipe is passed through cabin hole and extends to right side, the outer wall of cabin pipe is fixedly connected with one-side plugging flange, and one-side plugging flange is in the inside of cabin, the inside of one-side plugging flange is provided with structural glue. In the utility model, one-side plugging flange is matched with cabin piece to build one-side injection sealing system, personnel is not needed to enter narrow side operation, completely break through the space limit of traditional double-side injection, greatly simplify construction process, reduce manpower investment and preparation cost, effectively reduce construction difficulty and operation intensity, significantly improve the implementation efficiency of cabin sealing operation in limited space.

Description

Technical Field

[0001] This utility model relates to the field of sealing structure technology, and in particular to a sealing structure for a large box-type through-chamber pipe fitting in a confined space. Background Technology

[0002] In confined space scenarios such as ships and enclosed cabins, large containers need to achieve media transmission or structural connection through through-cabin fittings. The sealing performance of the through-cabin parts is directly related to the safety of equipment operation and the airtightness of the space. It is a key link to ensure the stable operation of the overall system. Its reliable sealing can avoid risks such as media leakage and environmental corrosion. Therefore, the optimized design of the sealing structure of through-cabin fittings has important practical significance.

[0003] Existing methods for sealing through-tank pipe fittings mostly employ double-sided injection sealing technology. This requires reserving operating space on both sides of the through-tank fitting. During construction, the relative position of the through-tank fitting and the tank wall is first fixed, and then the sealing material is injected into the gap between the fitting and the tank wall simultaneously from both sides. The sealing system is formed by the filling and curing of the sealing material on both sides, and the sealing effect is achieved by the coordination of the double-sided operation.

[0004] However, when a large container is installed close to the bulkhead, resulting in extremely limited operating space on one side, personnel cannot enter the narrow side to carry out injection operations, and the double-sided injection process cannot be implemented smoothly. Consequently, the sealing operation of the passage section is difficult to advance, and the sealing requirements of the limited space on one side cannot be met. Therefore, a sealing structure for the passage pipe of a large container in a limited space is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a sealing structure for large box-type through-chamber pipe fittings in a confined space, aiming to solve the problem that it is impossible to carry out material injection operations in a confined space in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a sealing structure for a large box-shaped through-chamber pipe fitting in a confined space, comprising a box body, wherein the box body is fixedly connected to the bottom of the inner wall of the box body, a through-chamber hole is opened on the right side of the box body, and a through-chamber pipe is fixedly connected to the right side of the box body, and the through-chamber pipe passes through the through-chamber hole and extends to the right side; A single-sided sealing flange is fixedly connected to the outer wall of the passage pipe, and the single-sided sealing flange is located inside the chamber. Structural adhesive is provided on the inner side of the single-sided sealing flange, and a passage component is fixedly connected to the single-sided sealing flange through the structural adhesive. The passage component is sleeved on the outside of the passage pipe, and the passage component penetrates the inner side of the passage hole. An injection port is provided at the top of the passage component, and the gap between the passage pipe and the passage component is filled with plugging material.

[0007] As a further description of the above technical solution: a one-way valve is fixedly installed on the outer wall of the injection port, and a sealing cap is provided on the top of the injection port.

[0008] As a further description of the above technical solution: the inner wall of the passage component is fixedly connected with annular protruding ribs, and the number of annular protruding ribs is several, and the several annular protruding ribs are evenly distributed inside the passage component.

[0009] As a further description of the above technical solution: the top of the overpass component is provided with an installation hole, and a pressure gauge is provided on the inner wall of the installation hole. The pressure gauge is fixedly inserted through the installation hole and extends to the inner wall of the overpass component.

[0010] As a further description of the above technical solution: an annular plate is fixedly connected to the right end of the overpass component.

[0011] As a further description of the above technical solution: an annular groove is provided on the right side of the annular plate, and a sealing ring is fixedly connected to the inner wall of the annular groove.

[0012] This utility model has the following beneficial effects: 1. In this utility model, a single-sided injection sealing system is constructed by using a single-sided sealing flange in conjunction with a transshipment component. This eliminates the need for personnel to enter the narrow side for operation, completely breaking through the spatial limitations of traditional double-sided injection, greatly simplifying the construction process, reducing manpower input and pre-preparation costs, effectively reducing construction difficulty and work intensity, and significantly improving the implementation efficiency of transshipment sealing operations in a limited space.

[0013] 2. In this utility model, the mechanical interlocking of the annular protruding ribs and the plugging material, the multiple protections of the sealing ring and structural adhesive, the one-way valve to prevent backflow and the pressure gauge to monitor in real time ensure that the plugging material is filled evenly and tightly, avoiding sealing gaps and failure risks. At the same time, it does not require changing the core structure of the existing through-chamber pipe fittings, has strong adaptability, and can be widely used in scenarios such as ships and sealed hulls, with both sealing reliability and compatibility. Attached Figure Description

[0014] Figure 1 This is a front view of a sealing structure for a large box-shaped through-chamber pipe fitting within a confined space, as proposed in this utility model. Figure 2 This is a structural cross-sectional view of a sealing structure for a large box-shaped through-chamber pipe fitting within a confined space, as proposed in this utility model. Figure 3 This utility model proposes a sealing structure for a large box-shaped through-chamber pipe fitting within a confined space. Figure 1 Enlarged view of point A in the image; Figure 4 This utility model proposes a sealing structure for a large box-shaped through-chamber pipe fitting within a confined space. Figure 2Enlarged view of point B in the image.

[0015] Legend: 1. Cabin; 2. Box; 3. Transit pipe; 4. Single-sided sealing flange; 5. Structural adhesive; 6. Transit component; 7. Injection port; 8. Plug; 9. Check valve; 10. Sealing cap; 11. Annular raised rib; 12. Pressure gauge; 13. Annular plate; 14. Sealing ring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Reference Figure 1 , Figure 2 , Figure 4 This utility model provides an embodiment of a sealing structure for a large box-type through-chamber pipe fitting in a confined space, comprising a chamber 1, which is a confined space. A box 2 is fixedly connected to the bottom of the inner wall of the chamber 1. A through-chamber hole is provided on the right side of the chamber 1 to facilitate the installation of the through-chamber fitting 6. A through-chamber pipe 3 is fixedly connected to the right side of the box 2, and the through-chamber pipe 3 passes through the through-chamber hole and extends to the right. A one-sided sealing flange 4 is fixedly connected to the outer wall of the through-chamber pipe 3, and the one-sided sealing flange 4 is located inside the chamber 1 for sealing the through-chamber fitting. One side of component 6 is sealed. Structural adhesive 5 is provided on the inner side of the single-sided sealing flange 4 to fix the transect component 6. The single-sided sealing flange 4 is fixedly connected to the transect component 6 through the structural adhesive 5. The transect component 6 is sleeved on the outside of the transect pipe 3 and penetrates the inside of the transect hole to fill the plug material 8. The top of the transect component 6 is connected to an injection port 7 to inject the plug material 8 into the interior of the transect component 6. The gap between the transect pipe 3 and the transect component 6 is filled with plug material 8 to seal the transect pipe 3.

[0018] Reference Figure 3 , Figure 4A one-way valve 9 is fixedly installed on the outer wall of the injection port 7 to prevent backflow of the blockage material 8 after injection. A sealing cap 10 is provided on the top of the injection port 7 to seal the injection port 7 and eliminate the risk of leakage. Annular protruding ribs 11 are fixedly connected to the inner wall of the passage component 6. There are several annular protruding ribs 11, which are evenly distributed inside the passage component 6. After the blockage material 8 is injected, it engages with the annular protruding ribs 11 to form a mechanical lock and prevent the blockage material 8 from being blocked due to vibration during long-term use. In case of displacement or sealing failure, the top of the transom 6 has an installation hole for installing a pressure gauge 12. The pressure gauge 12 is installed on the inner wall of the installation hole and is fixedly inserted through the installation hole and extends to the inner wall of the transom 6. This allows for real-time monitoring of pressure changes inside the transom 6. If leakage occurs, an early warning can be given to prevent the sealing failure from escalating. The right end of the transom 6 is fixedly connected to an annular plate 13. An annular groove is opened on the right side of the annular plate 13, and a sealing ring 14 is fixedly connected to the inner wall of the annular groove to improve the sealing performance of the docking.

[0019] Working principle: The compartment 1 is a confined space. The box 2 is installed on the bottom of the inner wall of the compartment 1. A through-hole is positioned and opened on the right side of the compartment 1, allowing the through-hole pipe 3 connected to the box 2 to pass through the through-hole and extend to the right. Structural adhesive 5 is evenly applied to the inner side of the single-sided sealing flange 4. The through-hole component 6 is fitted over the outside of the through-hole pipe 3 and passed through the through-hole from the outside of the compartment 1. The through-hole component 6 is then fixedly connected to the single-sided sealing flange 4 via the structural adhesive 5. Simultaneously, the annular plate 13 at the right end of the through-hole component 6 adheres to the outside of the compartment 1, forming an annular shape. The sealing ring 14 on plate 13 forms a preliminary seal. The one-way valve 9 at the injection port 7 is opened, and the plugging material 8 is injected into the gap between the passage pipe 3 and the passage component 6 from the injection port 7. During the injection process, the pressure change inside the passage component 6 is monitored in real time by the pressure gauge 12 to ensure that the plugging material 8 fully fills the gap and engages with the annular protrusion 11 on the inner wall of the passage component 6. After the injection is completed, the one-way valve 9 is closed to prevent the plugging material 8 from flowing back. Then, the injection port 7 is sealed by the sealing cap 10, and finally a multi-seal system is formed to achieve reliable sealing of the passage part.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sealing structure for a large box-shaped through-chamber pipe fitting within a confined space, comprising a chamber (1), characterized in that: The bottom of the inner wall of the cabin (1) is fixedly connected to a box (2). A through hole is provided on the right side of the cabin (1). A through pipe (3) is fixedly connected to the right side of the box (2), and the through pipe (3) passes through the through hole and extends to the right. The outer wall of the passage pipe (3) is fixedly connected to a single-sided sealing flange (4), and the single-sided sealing flange (4) is located inside the cabin (1). The inner side of the single-sided sealing flange (4) is provided with structural adhesive (5), and the single-sided sealing flange (4) is fixedly connected to the passage component (6) through the structural adhesive (5). The passage component (6) is sleeved on the outside of the passage pipe (3), and the passage component (6) penetrates the inner side of the passage hole. The top of the passage component (6) is connected to an injection port (7), and the gap between the passage pipe (3) and the passage component (6) is filled with plugging material (8).

2. The sealing structure for a large box-type through-chamber pipe fitting in a confined space according to claim 1, characterized in that: A one-way valve (9) is fixedly installed on the outer wall of the injection port (7), and a sealing cap (10) is provided on the top of the injection port (7).

3. The sealing structure for a large box-type through-chamber pipe fitting in a confined space according to claim 1, characterized in that: The inner wall of the passage component (6) is fixedly connected with annular protruding ribs (11), and there are several annular protruding ribs (11), which are evenly distributed inside the passage component (6).

4. The sealing structure for a large box-type through-chamber pipe fitting in a confined space according to claim 1, characterized in that: The top of the overpass (6) is provided with an installation hole, and a pressure gauge (12) is provided on the inner wall of the installation hole. The pressure gauge (12) is fixedly inserted through the installation hole and extends to the inner wall of the overpass (6).

5. The sealing structure for a large box-type through-chamber pipe fitting in a confined space according to claim 1, characterized in that: The right end of the transom (6) is fixedly connected to an annular plate (13).

6. The sealing structure for a large box-type through-chamber pipe fitting in a confined space according to claim 5, characterized in that: An annular groove is provided on the right side of the annular plate (13), and a sealing ring (14) is fixedly connected to the inner wall of the annular groove.

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