Waterproof convergent joint of exhaust pipe out of roof
By designing waterproof closing joints and using structures such as guides and anti-seepage plates, the problem of rainwater seepage at the connection between the roof exhaust pipe and the external exhaust pipe is solved, the waterproof effect is achieved, and the service life of the roof is extended.
Patent Information
- Application Number
- CN202421790804.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-26
AI Technical Summary
When the existing roof exhaust pipe is glued and connected to the external exhaust pipe, gaps are prone to occur after the colloid aging, causing rainwater to seep.
A waterproof closing joint of the exhaust pipe from the roof is designed, including a connecting pipe, a guide part, an interface part and an anti-seepage plate. The rainwater is guided out through the guide part, and the arc and reinforcement plate are used to prevent the accumulation of rainwater, and the anti-seepage plate is sealed at the connection.
Effectively prevent rainwater from seeping into the interface between the roof exhaust pipe and the external exhaust pipe, and extend the roof service life.
Smart Images

Figure CN223088785U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of exhaust pipe joints, and in particular to a waterproof closing joint for a roof exhaust pipe. Background Art
[0002] At present, roof exhaust pipes are part of the roof moisture-proof and exhaust technology field and are used to exhaust moisture and gas in the roof insulation layer. Such a system usually consists of a reinforced concrete structural layer, an insulation layer, a leveling layer, a waterproof layer, and a protective layer. Exhaust channels running through vertically and horizontally are provided in the insulation layer, and these channels are connected to the outside through exhaust pipes to timely discharge the gas in the insulation layer, prevent roof damage caused by water freezing and expanding or excessive gas pressure, and thus extend the service life of the roof.
[0003] The existing external exhaust pipes are directly connected to the roof exhaust pipes, and usually glue is used to paste the roof exhaust pipes and the external exhaust pipes together.
[0004] The above existing technical solutions have the following defects: The roof exhaust pipe and the external exhaust pipe are pasted together. As time goes by, when the colloid ages, there will be a gap between the external exhaust pipe and the roof exhaust pipe, which will cause rainwater to seep in. Utility Model Content
[0005] In order to achieve the effect of preventing rainwater from seeping between the external exhaust pipe and the roof exhaust pipe, the present application provides a waterproof closing joint for a roof exhaust pipe.
[0006] The above technical object of the present application is achieved through the following technical solutions:
[0007] A waterproof closing joint for a roof exhaust pipe, the waterproof closing joint is located between the roof exhaust pipe and the external exhaust pipe. The waterproof closing joint includes a connecting pipe and a guiding part. The guiding part is arranged at one end close to the roof exhaust pipe, and the guiding part is fixedly connected to the connecting pipe. The guiding part is inclined outward from the connecting pipe as a whole, and the guiding part is used to guide rainwater to the side away from the roof exhaust pipe.
[0008] By adopting the above solution, the joint is placed between the roof exhaust pipe and the external exhaust pipe, and then the roof exhaust pipe and the external exhaust pipe are connected together through the joint. Because the guiding part is provided, when it rains, the rainwater falling on the guiding part flows out to a position away from the joint under the action of the guiding part, avoiding rainwater from seeping into the interface between the joint and the roof drain pipe, and achieving the effect of preventing rainwater from seeping between the external exhaust pipe and the roof exhaust pipe.
[0009] Furthermore, an interface part is fixedly connected to the side of the connecting pipe away from the guiding part, and an opening is provided on the side of the interface part away from the guiding part. The interface part is used for plugging and matching the external exhaust pipe and the connecting pipe.
[0010] Furthermore, the interface portion is an annular groove with an open top. The bottom wall of the interface portion is fixedly connected to the top wall of the pipe orifice of the connecting pipe. The height of the side wall of the interface portion located outside is lower than the height of the side wall located inside.
[0011] By adopting the above scheme, when the external exhaust pipe is inserted into the annular groove, since the annular groove is fixedly connected to the joint and the joint is fixedly connected to the roof exhaust pipe, the external exhaust pipe is communicated with the roof exhaust pipe. Also, because the height of the side wall of the interface portion located outside is lower than the height of the side wall located inside, rainwater accumulation in the annular groove can be avoided.
[0012] Furthermore, the guiding portion includes a guiding plate and a connecting plate. The connecting plate is in an overall annular shape and is sleeved on the outer wall of the connecting pipe and fixedly connected to the connecting pipe. The guiding plate is fixedly connected to the bottom wall of the connecting plate, and the guiding plate is inclined outward from the connecting pipe as a whole.
[0013] Furthermore, a radian is provided at the connection between the guiding plate and the connecting plate, and this radian is used to avoid rainwater accumulation.
[0014] By adopting the above scheme, after rainwater drops onto the guiding plate, it can be led out through the guiding plate. Also, because a radian is provided between the guiding plate and the connecting plate, rainwater accumulation at the connection between the connecting plate and the guiding plate can be avoided.
[0015] Furthermore, a connection groove is provided at one end of the connecting pipe close to the guiding plate, and the connection groove is used for plugging and matching with the roof exhaust pipe.
[0016] By adopting the above scheme, because the connection groove is provided, the roof exhaust pipe can be plugged and matched with the connection groove, and thus the roof exhaust pipe and the external exhaust pipe can be communicated together.
[0017] Furthermore, a reinforcing plate is provided on the side of the connecting plate away from the guiding plate. The reinforcing plate is fixedly connected to both the side wall of the connecting pipe and the connecting plate, and the reinforcing plate is used to prevent rainwater from entering the gap where the connection groove is plugged with the roof exhaust pipe.
[0018] Furthermore, a waterproof plate is connected to the side wall of the interface portion located outside. The waterproof plate is fixedly connected to both the interface portion and the connecting pipe, and the waterproof plate is used to prevent rainwater from seeping in through the connection between the interface portion and the connecting pipe.
[0019] By adopting the above scheme, the reinforcing plate can avoid rainwater from entering the gap where the connection groove is plugged with the roof exhaust pipe, and the waterproof plate can prevent rainwater from seeping in through the connection between the interface portion and the connecting pipe.
[0020] In summary, the present application has the following technical effects:
[0021] By providing this joint and placing it between the roof exhaust pipe and the external exhaust pipe, the roof exhaust pipe and the external exhaust pipe are connected together through this joint. Because a guiding portion is provided, when it rains, the rainwater falling onto the guiding portion flows away from the joint under the action of the guiding portion, preventing the rainwater from seeping into the interface between the joint and the roof drain pipe, thus achieving the effect of preventing rainwater from seeping between the external exhaust pipe and the roof exhaust pipe.
[0022] By providing an arc, since an arc is provided between the guiding plate and the connecting plate, rainwater accumulation at the connection between the connecting plate and the guiding plate can be avoided.
[0023] By providing a reinforcing plate and a waterproof plate, the reinforcing plate can prevent rainwater from entering the gap where the connection groove is inserted into the roof exhaust pipe, and the waterproof plate can prevent rainwater from seeping through the connection between the interface portion and the connecting pipe. Description of the Drawings
[0024] Figure 1 is a schematic structural diagram of a waterproof closing joint for a roof exhaust pipe in this application;
[0025] Figure 2 is a schematic structural diagram of the waterproof joint in this application;
[0026] Figure 3 is a schematic structural diagram inside the guiding portion in this application.
[0027] In the figure, 1, roof exhaust pipe; 2, external exhaust pipe; 3, connecting pipe; 4, guiding portion; 41, guiding plate; 42, connecting plate; 5, interface portion; 6, connection groove; 7, reinforcing plate; 8, waterproof plate. Detailed Embodiment
[0028] The following further elaborates on this application with reference to the accompanying drawings.
[0029] Refer to Figure 1 This embodiment provides a waterproof closing joint for a roof exhaust pipe. This joint is used to be placed between the roof exhaust pipe 1 and the external exhaust pipe 2, enabling the roof exhaust pipe 1 and the external exhaust pipe 2 to be connected through this joint.
[0030] Refer to Figure 1 - Figure 2, the joint includes a guiding portion 4, a connecting pipe 3 and an interface portion 5. The interface portion 5 and the guiding portion 4 are respectively located at both ends of the connecting pipe 3. Both the interface portion 5 and the guiding portion 4 are fixedly connected to the connecting pipe 3. The interface portion 5 is an annular groove with an open top. The bottom wall of the interface portion 5 is fixedly connected to the side wall of the connecting pipe 3. The external exhaust pipe 2 is inserted and matched with the opening of the interface portion 5, so that the external exhaust pipe 2 is communicated with the connecting pipe 3. In this embodiment, the external exhaust pipe 2 is integrally T-shaped. In this embodiment, the side wall of the interface portion 5 close to the center is named the inner side wall, and the side wall far from the center is named the outer side wall. Among them, the height of the outer side wall is lower than the height of the inner side wall. Through the above settings, water accumulation in the annular groove can be avoided. An anti-seepage plate 8 is provided on the side of the outer side wall of the interface portion 5 away from the opening of the interface portion 5. The anti-seepage plate 8 is integrally arc-shaped, and the arc is consistent with the outer arc of the connecting pipe 3. The anti-seepage plate 8 is fixedly connected to the outer side wall of the interface portion 5 and the outer wall of the connecting pipe 3. The anti-seepage plate 8 is used to seal the connection between the interface portion 5 and the connecting pipe 3, thereby preventing rainwater from seeping in through the connection between the connecting pipe 3 and the interface portion 5.
[0031] Refer to Figure 2 , the guiding portion 4 includes a connecting plate 42 and a guiding plate 41. The connecting plate 42 is integrally arc-shaped, and the arc of the connecting plate 42 is consistent with the arc of the outer wall of the connecting pipe 3. The connecting plate 42 is sleeved outside the connecting pipe 3, and the connecting plate 42 is fixedly connected to the connecting pipe 3. The guiding plate 41 is fixedly connected to the side of the connecting plate 42 away from the interface portion 5. The guiding plate 41 is integrally flared, and the diameter of the guiding plate 41 increases from the connecting plate 42 in the direction away from the connecting plate 42. The guiding plate 41 is used to guide rainwater to flow away from the connecting pipe 3. The connection between the guiding plate 41 and the connecting plate 42 is arc-shaped, and the arc is inclined from the connecting plate 42 to the guiding plate 41, which can prevent rainwater from accumulating between the connecting plate 42 and the guiding plate 41.
[0032] Refer to Figure 1 - Figure 3 , a connecting groove 6 is opened at one end of the connecting pipe 3 close to the guiding plate 41. The roof exhaust pipe 1 is inserted and matched with the connecting groove 6, so that the roof exhaust pipe 1 is communicated with the connecting pipe 3. Also, because one end of the connecting pipe 3 away from the roof exhaust pipe 1 is communicated with the external exhaust pipe 2, that is, the external exhaust pipe 2 is communicated with the roof exhaust pipe 1 through the connecting pipe 3. An intensifying plate 7 is provided at the end of the connecting plate 42 away from the guiding plate 41. The intensifying plate 7 is integrally arc-shaped, and the arc of the intensifying plate 7 is consistent with the arc of the outer wall of the connecting pipe 3. The intensifying plate 7 is fixedly connected to the outer wall of the connecting pipe 3 and the side wall of the connecting plate 42. The intensifying plate 7 is used to prevent rainwater from seeping into the connecting groove 6.
[0033] The implementation principle of a waterproof closing joint for a roof exhaust pipe in an embodiment of the present application is as follows: Insert the roof exhaust pipe into the connecting groove 6, and insert the external exhaust pipe 2 into the annular groove of the interface part 5, so that the external exhaust pipe 2 is communicated with the roof exhaust pipe. At this time, the guiding plate 41 can protect the connection between the annular groove and the roof exhaust pipe, so that the rainwater falling on the guiding plate 41 can flow along the guiding plate 41 to a position far from the connecting pipe 3, which can prevent the rainwater from seeping into the gap between the connecting pipe 3 and the connecting plate 42, and further prevent the rainwater from seeping into the roof exhaust pipe.
[0034] This specific embodiment is only an explanation of the present application, and it is not a limitation of the present application. Those skilled in the art can make modifications without creative contributions to this embodiment according to needs after reading this specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.
Claims
1. A waterproof closing joint for the roof outlet exhaust pipe, characterized in that: The waterproof closing joint is located between the roof exhaust pipe (1) and the external exhaust pipe (2). The waterproof closing joint includes a connecting pipe (3) and a guiding part (4). The guiding part (4) is arranged at one end close to the roof exhaust pipe (1). The guiding part (4) is fixedly connected to the connecting pipe (3). The guiding part (4) is inclined outward from the connecting pipe (3) as a whole. The guiding part (4) is used to guide rainwater to the side away from the roof exhaust pipe (1).
2. The waterproof closing joint of the roof outlet exhaust pipe according to claim 1, wherein: On the side of the connecting pipe (3) away from the guiding part (4), an interface part (5) is fixedly connected. An opening is provided on the side of the interface part (5) away from the guiding part (4). The interface part (5) is used for plugging and matching the external exhaust pipe (2) with the connecting pipe (3).
3. The waterproof closing joint of the roof outlet exhaust pipe according to claim 2, characterized in that: The interface part (5) is an annular groove with an opening at the top. The bottom wall of the interface part (5) is fixedly connected to the top wall of the pipe orifice of the connecting pipe (3). The side wall of the interface part (5) located outside is lower than the side wall located inside.
4. The waterproof closing joint of the roof outlet exhaust pipe according to claim 1, characterized in that: The guiding part (4) includes a guiding plate (41) and a connecting plate (42). The connecting plate (42) is annular as a whole. The connecting plate (42) is sleeved on the outer wall of the connecting pipe (3) and fixedly connected to the connecting pipe (3). The guiding plate (41) is fixedly connected to the bottom wall of the connecting plate (42). The guiding plate (41) is inclined outward from the connecting pipe (3) as a whole.
5. The waterproof closing joint of the roof outlet exhaust pipe according to claim 4, characterized in that: There is a radian at the connection between the guiding plate (41) and the connecting plate (42). This radian is used to prevent rainwater from accumulating.
6. The waterproof closing joint of the roof outlet exhaust pipe according to claim 4, characterized in that: A connecting groove (6) is provided at one end of the connecting pipe (3) close to the guiding plate (41). The connecting groove (6) is used for plugging and matching with the roof exhaust pipe (1).
7. The waterproof closing joint of the roof outlet exhaust pipe according to claim 5, characterized in that: On the side of the connecting plate (42) away from the guiding plate (41), a reinforcing plate (7) is provided. The reinforcing plate (7) is fixedly connected to both the side wall of the connecting pipe (3) and the connecting plate (42). The reinforcing plate (7) is used to prevent rainwater from entering the gap where the connecting groove (6) is plugged with the roof exhaust pipe (1).
8. The waterproof closing joint of the roof outlet exhaust pipe according to claim 2, characterized in that: The side wall of the interface part (5) located outside is connected with a waterproof plate (8). The waterproof plate (8) is fixedly connected to both the interface part (5) and the connecting pipe (3). The waterproof plate (8) is used to prevent rainwater from seeping in through the connection between the interface part (5) and the connecting pipe (3).