A kind of outer wall through-wall pipe plugging structure

By combining the sleeve, sealing mechanism, and through-wall pipe, the problem of easy aging and difficult replacement of the sealing structure for through-wall pipes in external walls is solved. It achieves double sealing, prevents leakage, adapts to the replacement needs of pipes of different sizes, and improves the durability and sealing effect of the building.

CN224352543UActive Publication Date: 2026-06-12THE CONSTR DECORATION OF CHINA CONSTR NO 7 ENG BUREAU +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THE CONSTR DECORATION OF CHINA CONSTR NO 7 ENG BUREAU
Filing Date
2025-05-23
Publication Date
2026-06-12

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    Figure CN224352543U_ABST
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Abstract

The utility model relates to outer wall hole hole plugging technical field, and disclose a kind of outer wall wall pipe plugging structure, including sleeve, plugging mechanism and wall pipe, the sleeve is fixedly connected on building outer wall and will outer wall be penetrated, the wall pipe is sleeved in the inside of sleeve, the plugging mechanism is arranged in the both ends of sleeve to close the gap between sleeve and wall pipe, the inner wall of sleeve is equipped with detachable rubber ring, the utility model provides a kind of outer wall wall pipe plugging structure, the cooperation setting of sleeve and wall pipe is in, sleeve can be pre-buried in wall body before construction, so that subsequent wall pipe is arranged in sleeve, reduce subsequent construction time on wall body, by the plugging mechanism being arranged between sleeve and wall pipe, the gap between sleeve and wall pipe can be filled, prevent dust, rain, biology etc. from the gap into house.
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Description

Technical Field

[0001] This utility model relates to the field of sealing holes in external walls, specifically to a sealing structure for through-wall pipes in external walls. Background Technology

[0002] In building construction, the installation of pipes that pass through walls (such as water and electricity lines, air conditioning pipes, etc.) often requires pre-reserving holes in the exterior wall and sealing the pipes with a sealing structure to prevent rainwater, dust or organisms from entering the room.

[0003] Traditional construction methods typically involve directly pre-burying pipes or installing them by drilling holes after the wall is formed. However, existing technologies still have significant drawbacks. First, conventional sealing materials (such as asphalt and foaming agents) are susceptible to environmental aging, and are prone to cracking and shrinkage after long-term use, leading to seal failure. This is especially true in areas with large temperature differences or rain erosion, where the risk of leakage increases significantly, and replacement is troublesome later. Second, existing sealing structures lack multi-level water-stopping designs, relying solely on a single sealing layer, which is insufficient to effectively prevent external rainwater from seeping through the gaps between the pipes and the wall, affecting building durability and the indoor environment. Third, after replacing internal pipes, the replacement dimensions may not match the original dimensions, resulting in gaps and affecting the sealing effect. Therefore, a device is needed to solve these problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an external wall through-wall pipe sealing structure, which solves the problems of leakage and difficulty in subsequent replacement that are common in existing through-wall pipe sealing mechanisms.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an external wall through-wall pipe sealing structure, including a sleeve, a sealing mechanism and a through-wall pipe, wherein the sleeve is fixedly connected to the building's external wall and penetrates the external wall, the through-wall pipe is sleeved inside the sleeve, and the sealing mechanism is located at both ends of the sleeve to seal the gap between the sleeve and the through-wall pipe;

[0006] The sleeve has a positioning groove in the middle, and a rubber ring is detachably connected inside the positioning groove. A water-stop ring is fitted on the outer surface of the rubber ring to prevent water seepage into the wall.

[0007] One side of the sealing mechanism is connected to a reducing ring via a snap-fit ​​mechanism to seal the gap between the sealing mechanism and the through-wall pipe.

[0008] Optionally, the sealing mechanism includes a connectable blocking ring and a stop block. The stop block is fixedly connected to the inner wall of the sleeve. There are two blocking rings, which can be closed to form a ring shape. One side of the blocking ring is in contact with one side of the stop block.

[0009] Optionally, a lever is rotatably connected to one side of the sleeve, and one side of the lever is in contact with the outer side of the blocking ring to fix the position of the blocking ring.

[0010] Optionally, the snap-fit ​​mechanism includes a positioning hole and a positioning pin. The positioning hole is located inside the retaining ring, and the positioning pin is fixedly connected to one side of the reducing ring. The positioning pin is detachably connected to the positioning hole to fix the reducing ring and the retaining ring.

[0011] Optionally, there are two variable diameter rings, and each end of the variable diameter ring is provided with a plate and a slot, which are inserted into each other to enclose the variable diameter ring.

[0012] This utility model provides a structure for sealing through-wall pipes in external walls, which has the following beneficial effects:

[0013] This utility model provides a wall penetration pipe sealing structure. Through the coordinated installation of a sleeve and a penetration pipe, the sleeve can be pre-embedded in the wall before construction, allowing the penetration pipe to be installed later, reducing construction time on the wall. The sealing mechanism between the sleeve and the penetration pipe fills the gap, preventing dust, rainwater, and organisms from entering the house. Sealing mechanisms are installed on both the inner and outer sides, providing double protection and reducing the possibility of water seepage. The sealing mechanism is replaceable and can be replaced at any time after a long service life to maintain good sealing performance. A variable-diameter ring on the inner wall of the blocking ring allows for the adaptation of different sized penetration pipes during later replacements. Combined with rubber rings and water-stop rings, this further reduces water seepage into the house through the wall drilling points. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the unfolded structure of this utility model;

[0016] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A;

[0017] Figure 4 This utility model Figure 2 Enlarged structural diagram at point B;

[0018] Figure 5 This is a top sectional view of the structure of this utility model;

[0019] Figure 6 This utility model Figure 5 Enlarged structural diagram at point C.

[0020] In the diagram: 1. Sleeve; 2. Through-wall pipe; 4. Rubber ring; 5. Water-stop ring; 6. Blocking ring; 7. Stop block; 8. Paddle; 9. Variable diameter ring; 10. Positioning hole; 11. Positioning pin; 12. Insert plate; 13. Slot. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] Please see Figures 1 to 6 This utility model provides a technical solution: an external wall through-wall pipe sealing structure, including a sleeve 1, a sealing mechanism and a through-wall pipe 2. The sleeve 1 is fixedly connected to the building's external wall and penetrates the external wall. The through-wall pipe 2 is sleeved inside the sleeve 1. The sealing mechanism is located at both ends of the sleeve 1 to seal the gap between the sleeve 1 and the through-wall pipe 2.

[0023] The inner wall of the sleeve 1 is provided with a detachable rubber ring 4. The inner wall of the rubber ring 4 fits against the outer circular surface of the through-wall pipe 2. A water-stop ring 5 is fixedly connected to the outer circular surface of the sleeve 1 to prevent water seepage inside the wall.

[0024] One side of the sealing mechanism is connected to a reducing ring 9 via a snap-fit ​​mechanism to seal the gap between the sealing mechanism and the through-wall pipe 2.

[0025] The sleeve 1 is embedded in the wall, and the through-wall pipe 2 passes through the sleeve 1. The blocking ring 6 is set on the outer wall of the through-wall pipe 2 to fill the gap between the through-wall pipe 2 and the sleeve 1, preventing rainwater and other impurities from entering the room through the gap. Both the reducing ring 9 and the outer wall of the blocking ring 6 have sealing rings. The sealing rings can further reduce the width of the gap and prevent rainwater from seeping in. The reducing ring 9 can be installed inside the blocking ring 6. When replacing the through-wall pipe 2 with a different diameter in the future, a reducing ring 9 of the corresponding size can be selected and installed on the outer wall of the through-wall pipe 2 to reduce the gap between the through-wall pipe 2 and the blocking ring 6.

[0026] In this embodiment, as a preferred solution, the blocking mechanism includes a splicable blocking ring 6 and a stop block 7. The stop block 7 is fixedly connected to the inner wall of the sleeve 1. There are two blocking rings 6, which can be closed to form a ring shape. One side of the blocking ring 6 is attached to one side of the stop block 7. A lever 8 is rotatably connected to one side of the sleeve 1. One side of the lever 8 is attached to the outer side of the blocking ring 6 to fix the position of the blocking ring 6.

[0027] The stop block 7 is located on the inner wall of the sleeve 1 to limit the movement distance of the blocking ring 6, ensuring that the blocking ring 6 is at the end of the sleeve 1. The blocking ring 6 is made of two semicircles spliced ​​together, which makes it more convenient to install and avoids the situation of having to put it on from one end. After rotating the lever 8, the lever 8 can be placed on the other side of the blocking ring 6. The lever 8 cooperates with the stop block 7 to limit the blocking ring 6 on both sides of the blocking ring 6 and prevent the blocking ring 6 from moving.

[0028] In this embodiment, as a preferred solution, the snap-fit ​​mechanism includes a positioning hole 10 and a positioning pin 11. The positioning hole 10 is opened on the inner side of the blocking ring 6, and the positioning pin 11 is fixedly connected to one side of the variable diameter ring 9. The positioning pin 11 is detachably connected to the positioning hole 10 to fix the variable diameter ring 9 and the blocking ring 6. There are two variable diameter rings 9. The two ends of the variable diameter ring 9 are respectively provided with a plate 12 and a slot 13. The plate 12 and the slot 13 are inserted to enclose the variable diameter ring 9.

[0029] After the insert plate 12 and the slot 13 are inserted together, the two semi-circular reducing rings 9 can be combined into a perfect circle. The positioning pin 11 on one side of the reducing ring 9 can be inserted into the positioning hole 10, thereby fixing the reducing ring 9 on the blocking ring 6 and changing the inner diameter of the blocking ring 6. It can also play a sealing role after subsequent replacement.

[0030] In this invention, the working steps of the device are as follows:

[0031] 1. Insert the through-wall pipe 2 into the sleeve 1, install the sealing gasket 4 inside the sleeve 1, splice the blocking rings 6 together and install them inside the sleeve 1, and rotate the lever 8 to fix the position of the blocking rings 6.

[0032] 2. If the size of the blocking ring 6 does not match the size of the through-wall pipe 2, select a reducing ring 9 of the corresponding size, fasten the two reducing rings 9 to the outer wall of the through-wall pipe 2, and then splice the reducing ring 9 and the blocking ring 6 together to ensure that the positioning pin 11 is inserted into the positioning hole 10.

[0033] 3. Both indoor and outdoor blocking rings 6 and reducing rings 9 are installed to provide double protection.

[0034] The specific embodiments provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A wall penetration pipe sealing structure, characterized in that: It includes a sleeve (1), a sealing mechanism and a through-wall pipe (2). The sleeve (1) is fixedly connected to the exterior wall of the building and penetrates the exterior wall. The through-wall pipe (2) is sleeved inside the sleeve (1). The sealing mechanism is located at both ends of the sleeve (1) to seal the gap between the sleeve (1) and the through-wall pipe (2). The inner wall of the sleeve (1) is provided with a detachable rubber ring (4), the inner wall of the rubber ring (4) is in contact with the outer surface of the through pipe (2), and a water-stop ring (5) is fixedly connected to the outer surface of the sleeve (1) to block water seepage in the wall. One side of the sealing mechanism is connected to a reducing ring (9) via a snap-fit ​​mechanism to seal the gap between the sealing mechanism and the through-wall pipe (2).

2. The wall penetration pipe sealing structure according to claim 1, characterized in that: The sealing mechanism includes a splicable blocking ring (6) and a stop block (7). The stop block (7) is fixedly connected to the inner wall of the sleeve (1). There are two blocking rings (6), which can be closed to form a ring. One side of the blocking ring (6) is attached to one side of the stop block (7).

3. The wall penetration pipe sealing structure according to claim 2, characterized in that: A lever (8) is rotatably connected to one side of the sleeve (1), and one side of the lever (8) is in contact with the outer side of the blocking ring (6) to fix the position of the blocking ring (6).

4. A wall penetration pipe sealing structure according to any one of claims 1-3, characterized in that: The snap-fit ​​mechanism includes a positioning hole (10) and a positioning pin (11). The positioning hole (10) is opened on the inner side of the blocking ring (6). The positioning pin (11) is fixedly connected to one side of the variable diameter ring (9). The positioning pin (11) and the positioning hole (10) are detachably connected to fix the variable diameter ring (9) and the blocking ring (6).

5. The wall penetration pipe sealing structure according to claim 4, characterized in that: There are two variable diameter rings (9). Each end of the variable diameter ring (9) is provided with a plate (12) and a slot (13). The plate (12) and the slot (13) are inserted to enclose the variable diameter ring (9).