Waterproof structure of pipeline going out of roof
By using L-shaped fixing plates and sleeves on pipes exiting the roof, combined with components such as cement mortar, metal flashing, and stainless steel clamps, the problem of poor waterproofing of pipes exiting the roof was solved, achieving stable waterproofing and convenient installation and disassembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-31
AI Technical Summary
The existing roof pipes are not waterproofed well, and leaks are likely to occur at the joints.
Multiple L-shaped fixing plates are used in conjunction with the sleeve. Waterproof membrane is installed on the outer periphery of the sleeve, and it is sealed and fixed by components such as cement mortar, metal flashing and stainless steel hoop to form a stable waterproof structure.
It effectively waterproofs pipes exiting the roof, preventing leaks, and features a stable structure that is easy to assemble and disassemble.
Smart Images

Figure CN224063820U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of roof waterproofing construction, specifically to a waterproofing structure for roof-mounted pipes. Background Technology
[0002] The existing roof pipes are not waterproof, which can easily lead to problems such as leaks at the joints. Utility Model Content
[0003] This utility model provides a waterproof structure for roof-mounted pipes to solve one or more technical problems existing in the prior art.
[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A waterproof structure for a roof-exit pipe includes multiple L-shaped fixing plates and a sleeve for mounting the roof-exit pipe. The sleeve is arranged through the roof. Multiple L-shaped fixing plates are respectively set on the roof around the sleeve. The horizontal plates of the L-shaped fixing plates are fixed on the roof, and the vertical plates of the L-shaped fixing plates are set adjacent to the sleeve. Multiple waterproof membranes are provided on the roof around the outer periphery of the sleeve. The waterproof membranes cover the L-shaped fixing plates and extend upward and are fixed to the outer wall of the sleeve.
[0005] The beneficial effects of this utility model are: the waterproof structure for the roof-exit pipe of this utility model uses multiple L-shaped fixing plates in conjunction with the sleeve, which can stably install the waterproof membrane around the sleeve and effectively waterproof the roof-exit pipe inside the sleeve.
[0006] Based on the above technical solution, the present invention can be further improved as follows.
[0007] Furthermore, the upper end of the sleeve is provided with cement mortar, which seals and covers the gap between the sleeve and the waterproof membrane.
[0008] The beneficial effect of adopting the above-mentioned further solution is that it enables the waterproof membrane to be stably and sealed at the upper end of the sleeve.
[0009] Furthermore, the upper end of the waterproof membrane is flush with the upper end of the sleeve.
[0010] Furthermore, a metal flashing is provided on the roof pipe, which covers the sleeve and the upper end of the waterproof membrane.
[0011] The beneficial effect of adopting the above-mentioned further solution is that the metal flashing can cover the upper part of the sleeve and the waterproof membrane.
[0012] Furthermore, the horizontal plate of the L-shaped fixing plate is fixed to the roof by connectors.
[0013] Furthermore, the connector is a flat-head self-tapping bolt.
[0014] Furthermore, the upper end of the waterproof membrane is clamped and fixed to the outer periphery of the upper end of the sleeve by a stainless steel hoop.
[0015] The advantages of adopting the above-mentioned further solution are: by setting stainless steel hoops, the waterproof membrane can be stably clamped and fixed on the sleeve, which is convenient for disassembly and assembly, and multiple waterproof membranes around the sleeve can be effectively positioned at the same time.
[0016] Furthermore, a basic grid slab is provided on the roof, the horizontal plate of the L-shaped fixing plate is fixed to the basic grid slab of the roof, and the waterproof membrane is laid on the basic grid slab.
[0017] Furthermore, the basic lattice panel includes a lattice panel body and a lattice panel cover plate. The lattice panel cover plate is laid on the upper surface of the lattice panel body, and the transverse plate of the L-shaped fixing plate is fixed on the lattice panel cover plate.
[0018] Furthermore, the lattice panel body has a polygonal grid structure, an ice crack pattern grid structure, a twisted grid structure, a bubble grid structure, an oil-floating grid structure, or a Simmons mattress grid structure; the grid structure of the lattice panel body is filled with thermal insulation material. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the assembly structure of the waterproof structure for the roof-mounted pipe of this utility model;
[0020] Figure 2 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 1 ;
[0021] Figure 3 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 2 ;
[0022] Figure 4 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 3 ;
[0023] Figure 5 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 4 ;
[0024] Figure 6 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 5 ;
[0025] Figure 7 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 6 ;
[0026] Figure 8 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 7 ;
[0027] Figure 9 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 8 ;
[0028] Figure 10 This is a schematic diagram of the polygonal mesh structure of this utility model. Figure 9 .
[0029] The attached diagram lists the components represented by each number as follows:
[0030] 101. Lattice panel body; 102. Lattice panel cover plate; 103. Flat-head self-tapping screw; 104. Polygonal grid structure; 105. Ice crack pattern grid structure; 106. Twisted grid structure; 107. Bubble pattern grid structure; 108. Oil-slick grid structure; 109. Simmons mattress grid structure;
[0031] 200. Waterproof membrane;
[0032] 400, L-shaped fixing plate;
[0033] 801. Metal flashing; 802. Sleeve; 803. Cement mortar; 804. Stainless steel hoop; 805. Pipes exiting the roof. Detailed Implementation
[0034] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0035] like Figure 1 As shown, a waterproof structure for a roof-exit pipe in this embodiment includes multiple L-shaped fixing plates 400 and a sleeve 802 for mounting a roof-exit pipe 805. The sleeve 802 is arranged through the roof. The multiple L-shaped fixing plates 400 are respectively arranged on the roof around the sleeve 802. The horizontal plates of the L-shaped fixing plates 400 are fixed to the roof, and the vertical plates of the L-shaped fixing plates 400 are arranged adjacent to the sleeve 802. The sleeve 802 is fixed to the roof or fixed to the L-shaped fixing plates 400. Multiple waterproof membranes 200 are provided on the roof around the sleeve 802. The waterproof membranes 200 cover the L-shaped fixing plates 400 and extend upward and are fixed to the outer wall of the sleeve 802.
[0036] like Figure 1As shown, in this embodiment, the upper end of the sleeve 802 is provided with cement mortar 803, which seals and covers the gap between the sleeve 802 and the waterproof membrane 200, thus ensuring that the waterproof membrane is stably and securely installed at the upper end of the sleeve.
[0037] like Figure 1 As shown, in this embodiment, the upper end of the waterproof membrane 200 is flush with the upper end of the sleeve 802.
[0038] like Figure 1 As shown, in this embodiment, a metal flashing 801 is provided on the roof outlet pipe 805, which covers the upper end of the sleeve 802 and the waterproof membrane 200. The metal flashing can cover the upper end of the sleeve and the waterproof membrane. The upper end of the metal flashing 801 is fixed to the upper end of the roof outlet pipe 805 by a stainless steel hoop 804.
[0039] like Figure 1 As shown, in this embodiment, the horizontal plate of the L-shaped fixing plate 400 is fixed to the roof surface by a connector. Preferably, the connector is a flat-head self-tapping bolt 103.
[0040] like Figure 1 As shown, in this embodiment, the upper end of the waterproof membrane 200 is clamped and fixed to the outer periphery of the upper end of the sleeve 802 by a stainless steel hoop 804. By setting the stainless steel hoop, the waterproof membrane can be stably clamped and fixed on the sleeve, which is convenient for disassembly and assembly, and can also effectively position multiple waterproof membranes around the sleeve at the same time.
[0041] Preferably, in this embodiment, multiple L-shaped fixing plates 400 are evenly arranged on the outer periphery of the sleeve 802.
[0042] Optionally, the vertical plate of the L-shaped fixing plate 400 is fixedly connected to the sleeve 802. By stabilizing multiple L-shaped fixing plates around the sleeve, the sleeve can be effectively and stably connected and fixed, making the assembly structure of the sleeve more stable and reliable.
[0043] like Figures 1-10 As shown, in this embodiment, a basic grid plate is provided on the roof, the horizontal plate of the L-shaped fixing plate 400 is fixed on the basic grid plate of the roof, and the waterproof membrane 200 is laid on the basic grid plate.
[0044] like Figure 1 As shown, the basic lattice panel in this embodiment includes a lattice panel body 101 and a lattice panel cover plate 102. The lattice panel cover plate 102 is laid on the upper surface of the lattice panel body 101, and the transverse plate of the L-shaped fixing plate 400 is fixed on the lattice panel cover plate 102.
[0045] like Figures 2 to 10As shown, the basic lattice panel of this embodiment includes a lattice panel body 101 and a lattice panel cover plate 102, with the cover plate 102 disposed on the upper surface of the lattice panel body 101. The basic lattice panel of this embodiment has a polygonal grid structure 104, an ice-crack pattern grid structure 105, a twisted grid structure 106, a bubble-shaped grid structure 107, an oil-slick grid structure 108, or a Simmons mattress grid structure 109.
[0046] Optionally, the roof in this embodiment is a steel structure roof. Or, the roof in this embodiment is a concrete roof.
[0047] The waterproof structure for the roof-exit pipe in this embodiment uses multiple L-shaped fixing plates in conjunction with the sleeve, which can stably install the waterproof membrane around the sleeve and effectively waterproof the roof-exit pipe inside the sleeve.
[0048] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "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 are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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 utility model.
[0049] 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0050] In this utility model, unless otherwise explicitly 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 explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0051] In this utility model, unless otherwise explicitly 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.
[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0053] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
Claims
1. A waterproof structure for roof-mounted pipes, characterized in that, It includes multiple L-shaped fixing plates and a sleeve for mounting roof pipes. The sleeve is arranged through the roof. The multiple L-shaped fixing plates are respectively set on the roof around the sleeve. The horizontal plates of the L-shaped fixing plates are fixed to the roof, and the vertical plates of the L-shaped fixing plates are set adjacent to the sleeve. Multiple waterproof membranes are provided on the roof around the outer periphery of the sleeve. The waterproof membranes cover the L-shaped fixing plates and extend upward and are fixed to the outer wall of the sleeve.
2. The waterproof structure for a pipe penetrating a roof according to claim 1, wherein The upper end of the sleeve is provided with cement mortar, which seals and covers the gap between the sleeve and the waterproof membrane.
3. The waterproof structure for a pipe penetrating a roof according to claim 1, wherein The upper end of the waterproof membrane is flush with the upper end of the sleeve.
4. The waterproof structure for a pipe penetrating a roof according to claim 1, wherein The pipe extending from the roof is equipped with a metal flashing plate, which covers the sleeve and the upper end of the waterproof membrane.
5. The waterproof structure for a pipe penetrating a roof according to claim 1, wherein The horizontal plate of the L-shaped fixing plate is fixed to the roof by connectors.
6. The waterproof structure of a pipe penetrating a roof according to claim 5, wherein The connector is a flat-head self-tapping bolt.
7. The waterproof structure of a pipe penetrating a roof according to claim 1, wherein The upper end of the waterproof membrane is clamped and fixed to the outer periphery of the upper end of the sleeve by a stainless steel hoop.
8. The waterproof structure of a pipe penetrating a roof according to claim 1, wherein The roof is provided with a basic grid panel, the horizontal plate of the L-shaped fixing plate is fixed to the basic grid panel of the roof, and the waterproof membrane is laid on the basic grid panel.
9. The waterproof structure of a pipe penetrating a roof according to claim 8, wherein The basic lattice panel includes a lattice panel body and a lattice panel cover plate. The lattice panel cover plate is laid on the upper surface of the lattice panel body, and the horizontal plate of the L-shaped fixing plate is fixed on the lattice panel cover plate.
10. The waterproof structure of a pipe penetrating a roof according to claim 9, wherein The lattice panel body has a polygonal grid structure, an ice crack pattern grid structure, a twisted grid structure, a bubble grid structure, an oil-floating grid structure, or a Simmons mattress grid structure; the grid structure of the lattice panel body is filled with thermal insulation material.