An integrated anti-leakage roofing waterproof sleeve
By setting up a waterproof adhesion layer and external piers on the outside of the steel sleeve to form a sloping structure, the leakage problem caused by loose or cracked connection between the waterproof membrane and the drainage pipe is solved, achieving a long-lasting waterproof effect and protection for the waterproof membrane.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING CHENGJIANQI CONSTRUCT ENG CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-23
AI Technical Summary
When the existing roof waterproofing membrane and drainage pipes become loose or cracked, they cannot effectively prevent rainwater leakage, leading to frequent maintenance.
An integrated waterproof roof casing is adopted, which includes a steel casing, a waterproof attachment layer and a waterproof membrane. A sloping structure is formed by setting a waterproof attachment layer on the outside of the steel casing, and components such as external piers and rain caps are set on the steel casing to enhance the sealing and waterproof effect.
Even if the connection between the waterproof membrane and the steel sleeve cracks, it can still effectively prevent rainwater leakage, extend the service life of the waterproof membrane, reduce friction damage from debris, and improve waterproof performance.
Smart Images
Figure CN224395932U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of roof waterproofing structures, and in particular to an integrated waterproofing sleeve for leak-proof roofs. Background Technology
[0002] In special-function buildings such as factories, it is often necessary to create openings in the roof and install exhaust pipes to allow gases inside the building to escape. After installing exhaust pipes on the roof, gaps can easily form between the floor slab and the exhaust pipes. When rainwater accumulates on the roof, it can easily seep down through the gap between the exhaust pipes and the floor slab.
[0003] Existing roof waterproofing methods achieve this by laying waterproof membrane on the roof. The waterproof membrane is laid flat on the roof, and through holes are made in the membrane. Drainage pipes are inserted into the through holes of the waterproof membrane. By heat-sealing the waterproof membrane to the outer wall of the drainage pipe, a sealed connection between the waterproof membrane and the drainage pipe can be achieved. The waterproof membrane covers the roof, thereby reducing the chance of rainwater seeping between the drainage pipe and the floor slab.
[0004] The aforementioned technical solutions have the following drawbacks: when the bond between the waterproof membrane and the drainage pipe becomes loose or cracks appear, the waterproof membrane cannot continue to provide waterproofing, requiring frequent maintenance. Utility Model Content
[0005] In order to enable the waterproof membrane to provide waterproofing for a long time, this application provides an integrated waterproof sleeve for leak-proof roofing.
[0006] The integrated waterproof sleeve for leak-proof roofs provided in this application adopts the following technical solution:
[0007] An integrated waterproof roof sleeve includes a steel sleeve, a waterproof attachment layer, and a waterproof membrane. The steel sleeve vertically penetrates the structural floor slab. The waterproof attachment layer is placed on the structural floor slab and surrounds the circumference of the steel sleeve, forming a frustum structure. The waterproof membrane is placed on the structural floor slab and the waterproof attachment layer, and is connected to the outer wall of the steel sleeve by heat fusion.
[0008] By adopting the above technical solution, a waterproof attachment layer is set outside the steel sleeve, forming a sloping structure. When the waterproof membrane is placed on the waterproof attachment layer, the connection between the waterproof membrane and the steel sleeve is higher than the structural floor slab. When water accumulates on the structural floor slab, the water is located below the connection between the waterproof membrane and the steel sleeve. Even when the connection between the waterproof membrane and the steel sleeve cracks, the waterproof membrane can still provide waterproofing. The waterproof attachment layer can be made of epoxy resin, which can fill the connection between the steel sleeve and the structural floor slab, thereby improving the sealing between the steel sleeve and the structural floor slab.
[0009] Optionally, the steel sleeve is provided with an outer pier, which includes a top plate and a side plate. The top plate and the side plate are integrally formed. A through hole is opened on the top plate of the outer pier. The steel sleeve is inserted into the through hole of the outer pier. The outer pier covers the connection between the waterproof membrane and the steel sleeve.
[0010] By adopting the above technical solution, and by setting an outer pier on the steel sleeve, the outer pier can cover the waterproof membrane and the steel sleeve, thereby reducing the chance of debris coming into contact with and rubbing against the waterproof membrane, and thus extending the service life of the waterproof membrane.
[0011] Optionally, an inclined surface is provided on the top surface of the outer pier, and the inclined surface at the top of the outer pier is used for guiding the flow.
[0012] By adopting the above technical solution, a slope is opened on the top surface of the outer pier. When rainwater accumulates on the top surface of the outer pier, the rainwater can flow down along the slope, thereby reducing the probability of rainwater seeping down from the connection between the outer pier and the steel sleeve and improving the waterproofing capacity of the connection between the steel sleeve and the structural floor slab.
[0013] Optionally, the outer pier includes a polyvinyl chloride shell and a graphite polystyrene board, with the polyvinyl chloride shell fitted over the graphite polystyrene board.
[0014] By adopting the above technical solution, an outer pier is formed by splicing a polyvinyl chloride shell and a graphite polystyrene board. Polyvinyl chloride is a flame-retardant plastic with good water impermeability, and graphite polystyrene board has good structural strength, resulting in high strength of the outer pier.
[0015] Optionally, the steel sleeve is provided with a hose clamp, which is detachably connected to the steel sleeve and abuts against the upper side of the outer pier.
[0016] By adopting the above technical solution, by setting hose clamps on the steel sleeve, the hose clamps can be detachably connected to the steel sleeve and can press on the outer pier, thereby making the side plate of the outer pier tightly abut against the roof layer or structural floor slab, so that the outer pier can stably cover the waterproof membrane and waterproof attachment layer and provide protection.
[0017] Optionally, a water-stop ring is provided on the steel sleeve. The water-stop ring is a circular plate structure with a hole in the middle. The steel sleeve is welded and fixed to the water-stop ring, and the water-stop ring is set in the structural floor slab.
[0018] By adopting the above technical solution, a water-stop ring is installed on the steel sleeve and embedded in the structural floor slab. When rainwater seeps down between the steel sleeve and the structural floor slab, the water-stop ring can block the water from seeping down and slow down the seepage of accumulated water.
[0019] Optionally, a rain cap is provided on the steel sleeve, with the outer edge of the rain cap tilted downwards.
[0020] By adopting the above technical solution, and by installing rain caps on the steel casing, when there is rainwater on the outer wall of the steel casing, the rainwater flows along the steel casing to the rain caps, so that the rain caps can fall on the slope formed by the waterproof membrane and the waterproof attachment layer, reducing the chance of rainwater seeping down from the connection between the steel casing and the waterproof membrane.
[0021] Optionally, a steel sheet is provided on the steel sleeve, with the outer edge of the steel sheet inclined downwards, and the steel sheet is positioned above the rain cap.
[0022] By adopting the above technical solution, and by setting steel plates on the steel sleeve above the rain cap, the water-blocking performance of the steel sleeve is further improved, reducing the probability of rainwater seeping down from the connection between the rain cap and the steel sleeve, and from the connection between the steel sleeve and the waterproof membrane.
[0023] In summary, the beneficial technical effects of this application are as follows:
[0024] 1. By setting a waterproof attachment layer outside the steel sleeve, the waterproof attachment layer is stacked into a sloping structure. When the waterproof membrane is covered on the waterproof attachment layer, the connection between the waterproof membrane and the steel sleeve is higher than the structural floor slab. When water accumulates on the structural floor slab, the water is located below the connection between the waterproof membrane and the steel sleeve. When the connection between the waterproof membrane and the steel sleeve cracks, the waterproof membrane can still play a waterproof role. The waterproof attachment layer can be made of epoxy resin, which can fill the connection between the steel sleeve and the structural floor slab, thereby improving the sealing between the steel sleeve and the structural floor slab.
[0025] 2. By setting an outer abutment on the steel sleeve, the outer abutment can cover the waterproof membrane and the steel sleeve, thereby reducing the chance of debris coming into contact with and rubbing against the waterproof membrane, thus extending the service life of the waterproof membrane.
[0026] 3. By installing rain caps on the steel casing, when there is rainwater on the outer wall of the steel casing, the rainwater flows along the steel casing to the rain caps, so that the rain caps can fall on the slope formed by the waterproof membrane and the waterproof attachment layer, reducing the chance of rainwater seeping down from the joint between the steel casing and the waterproof membrane. Attached Figure Description
[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.
[0028] Figure 2 This is a cross-sectional view of the installation structure according to an embodiment of this application.
[0029] Figure 3 This is a cross-sectional view of the steel sleeve according to an embodiment of this application.
[0030] Figure 4 This is a schematic diagram of the structure of the outer pier according to an embodiment of this application.
[0031] Figure 5This is a schematic diagram of the installation position of the hose clamp according to an embodiment of this application.
[0032] Attached reference numerals: 1. Structural floor slab; 2. Roof layer; 3. Steel sleeve; 31. Water-stop ring; 4. Waterproof adhesion layer; 5. Waterproof membrane; 6. Rain cap; 7. Outer pier; 71. Polyvinyl chloride shell; 72. Graphite polystyrene board; 73. Hose clamp; 8. Steel sheet. Detailed Implementation
[0033] The present application will be further described in detail below with reference to the accompanying drawings.
[0034] This application discloses an integrated leak-proof roof waterproof sleeve, referring to... Figure 1 and Figure 2 The system comprises a steel sleeve 3, a waterproof adhesive layer 4, and a waterproof membrane 5. The steel sleeve 3 is vertically installed on the structural floor slab 1, penetrating the slab and fixedly connected to it. The waterproof adhesive layer 4 is installed on the upper surface of the structural floor slab 1, forming a conical structure around the circumference of the steel sleeve 3. The waterproof membrane 5 is laid on the surface of the structural floor slab 1, with a through hole in its center. The steel sleeve 3 is inserted into this through hole, and the waterproof membrane 5 covers the waterproof adhesive layer 4 and is bonded to the side wall of the steel sleeve 3. A roof layer 2, which can be formed using asphalt, is laid on the structural floor slab 1 and covers the waterproof membrane 5. The portion of the waterproof membrane 5 that connects to the steel sleeve 3 protrudes and extends above the roof layer 2. The steel sleeve 3 is fitted with a roof vent pipe. When there is water accumulation on the roof layer 2, the water can easily seep down from the connection between the steel sleeve 3 and the structural floor slab 1. By laying a waterproof membrane 5 on the structural floor slab 1, the waterproof membrane 5 is bonded to the steel sleeve 3, thereby enabling the waterproof membrane 5 to achieve a waterproof effect and reducing the probability of rainwater seeping down between the structural floor slab 1 and the steel sleeve 3.
[0035] Reference Figure 2 The waterproof adhesion layer 4 can be made of foam material. After the steel sleeve 3 is fixed on the structural floor slab 1, the construction workers set the foam material around the steel sleeve 3. The foam material can be epoxy resin. After the waterproof adhesion layer 4 solidifies, it fills the gap between the steel sleeve 3 and the structural floor slab 1, reducing the chance of rainwater seepage.
[0036] Reference Figure 3 A water-stop ring 31 is installed on the steel sleeve 3. The water-stop ring 31 is a metal ring that is fitted onto the steel sleeve 3 and welded to it for fixation. During the pouring of the structural floor slab 1, the steel sleeve 3 is vertically inserted into the formwork. When the structural floor slab 1 is completed, the water-stop ring 31 is located inside the structural floor slab 1. The water-stop ring 31 serves to reduce rainwater infiltration. When rainwater seeps between the structural floor slab 1 and the steel sleeve 3, the water-stop ring 31 acts as a water-blocking device, reducing the degree of rainwater infiltration.
[0037] Reference Figure 4 An outer pier 7 is installed on the steel sleeve 3. The outer pier 7 consists of a polyvinyl chloride (PVC) shell 71 and a graphite polystyrene board 72. The PVC shell 71 is fitted over the graphite polystyrene board 72 and together they are spliced to form the outer pier 7. The outer pier 7 is a cover structure, consisting of a top plate and side plates, which are integrally formed. A through hole is opened in the middle of the top plate of the outer pier 7, and the steel sleeve 3 is inserted into the through hole. After the waterproof attachment layer 4 and the waterproof membrane 5 are installed, the outer pier 7 is fitted onto the steel sleeve 3, and the side plates of the outer pier 7 abut against the roof layer 2. By covering the waterproof membrane 5, the outer pier 7 can protect the waterproof membrane 5, reduce the probability of damage to the waterproof membrane 5 and the waterproof attachment layer 4, and thus maintain better waterproof performance at the connection between the steel sleeve 3 and the structural floor slab 1.
[0038] Reference Figure 5 A hose clamp 73 is installed on the steel sleeve 3. The hose clamp 73 is fitted on the steel sleeve 3 and located above the outer pier 7. After the outer pier 7 is installed on the roof layer 2, the construction workers install the hose clamp 73 on the steel sleeve 3. The hose clamp 73 is used to abut against the outer pier 7, so that the outer pier 7 can press on the roof layer 2, thereby reducing the chance of debris coming into contact with the waterproof membrane 5 and abrading the waterproof membrane 5.
[0039] Reference Figure 3 A rain cap 6 is installed on the steel sleeve 3. The rain cap 6 is a truncated cone structure with a sloping surface. A through hole is opened in the center of the rain cap 6, and the steel sleeve 3 is inserted into the through hole of the rain cap 6. The rain cap 6 is located above the outer pier 7. A sloping surface is opened on the top surface of the outer pier 7, and a sloping surface is opened on the outer side of the rain cap 6. When rainwater falls on the steel sleeve 3, the rainwater flows along the steel sleeve 3 to the rain cap 6, and the rainwater continues to fall along the outer sloping surface of the rain cap 6 to the outer pier 7, thereby reducing the probability of rainwater seeping between the outer pier 7 and the steel sleeve 3, achieving a waterproof effect.
[0040] Reference Figure 3 A steel sheet 8 is provided on the upper side of the rain cap 6. The steel sheet 8 is a circular piece with an inclined surface and a through hole in the center of the steel sheet 8. The steel sleeve 3 is inserted into the through hole of the steel sheet 8 and welded to the steel sheet 8 for fixation. The width of the steel sheet 8 is smaller than the width of the rain cap 6. When there is water on the side wall of the steel sleeve 3, the water flows to the steel sheet 8, and the steel sheet 8 guides the water flow to the outer edge of the rain cap 6.
[0041] The implementation principle of this application embodiment is as follows: by setting a waterproof attachment layer 4 on the structural floor slab 1, the waterproof membrane 5 is covered on the waterproof attachment layer 4 and bonded and fixed to the steel sleeve 3, thereby reducing the probability of rainwater seeping down between the steel sleeve 3 and the structural floor slab 1. By setting an outer pier 7 outside the waterproof membrane 5, the outer pier 7 plays a role in protecting the waterproof membrane 5, reducing the probability of the waterproof membrane 5 breaking, and improving the service life of the waterproof membrane 5.
[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. An integrated leak barrier roof waterproofing sleeve, characterized by: It includes a steel sleeve (3), a waterproof attachment layer (4) and a waterproof membrane (5). The steel sleeve (3) vertically penetrates the structural floor slab (1). The waterproof attachment layer (4) is set on the structural floor slab (1). The waterproof attachment layer (4) is set around the circumference of the steel sleeve (3) and forms a frustum structure. The waterproof membrane (5) is covered on the structural floor slab (1) and the waterproof attachment layer (4). The waterproof membrane (5) is connected to the outer wall of the steel sleeve (3) by hot melting.
2. An integrated anti-leakage roofing waterproof sleeve according to claim 1, characterized in that: The steel sleeve (3) is provided with an outer pier (7), which includes a top plate and a side plate. The top plate and the side plate are integrally formed. A through hole is opened on the top plate of the outer pier (7). The steel sleeve (3) is inserted into the through hole of the outer pier (7). The outer pier (7) covers the connection between the waterproof membrane (5) and the steel sleeve (3).
3. An integrated anti-leakage roofing waterproof sleeve according to claim 2, characterized in that: An inclined surface is opened on the top surface of the outer pier (7), and the inclined surface at the top of the outer pier (7) is used for guiding the flow.
4. An integrated anti-leakage roofing waterproof sleeve according to claim 3, characterized in that: The outer pier (7) includes a polyvinyl chloride shell (71) and a graphite polystyrene board (72), with the polyvinyl chloride shell (71) fitted over the graphite polystyrene board (72).
5. An integrated anti-leakage roofing waterproof sleeve according to claim 4, characterized in that: The steel sleeve (3) is provided with a hose clamp (73), which is detachably connected to the steel sleeve (3) and abuts against the upper side of the outer pier (7).
6. An integrated anti-leakage roofing waterproof sleeve according to claim 1, characterized in that: A water-stop ring (31) is provided on the steel sleeve (3). The water-stop ring (31) is a circular plate structure with a hole in the middle. The steel sleeve (3) is welded and fixed to the water-stop ring (31). The water-stop ring (31) is set in the structural floor slab (1).
7. An integrated anti-leakage roofing waterproof sleeve according to claim 1, characterized in that: A rain cap (6) is provided on the steel sleeve (3), with the outer edge of the rain cap (6) tilted downward.
8. An integrated anti-leakage roofing waterproof sleeve according to claim 7, characterized in that: A steel sheet (8) is provided on the steel sleeve (3), with the outer edge of the steel sheet (8) tilting downwards, and the steel sheet (8) is positioned above the rain cap (6).