具有防水檐的立管结构

By using an integrated prefabricated riser structure, and waterproof sleeves and umbrella-shaped waterproof eaves made of PVC or weather-resistant engineering plastics, the problem of water seepage caused by the difference in the expansion coefficient of materials in the riser structure is solved, achieving the effects of efficient waterproofing and simplified construction.

CN224514591UActive Publication Date: 2026-07-17ELITE ARCHITECTURAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ELITE ARCHITECTURAL CO LTD
Filing Date
2025-08-15
Publication Date
2026-07-17

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Abstract

本实用新型公开一种具有防水檐的立管结构，包括立管本体，立管本体底部设有防水套管，防水套管用于供屋面排汽管插入，防水套管外周设有防水檐，防水檐用于在竖直方向上遮挡屋面排汽管和屋面防水层连接的泛水收头。本实用新型使雨水或雪水直接沿防水檐向外排出，避免雨水或雪水接触泛水收头导致出现渗水。立管本体通过防水套管和屋面排汽管插接连接，安装施工简单、容易，无需熟练工人操作，降低施工质量波动风险，分段设计，立管本体损坏后可单独更换，后期维修和改造方便，提高了建筑的可持续使用性。
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Claims

1. A riser structure having a water deflector, characterised in that, It includes a riser body (1), a waterproof sleeve (2) at the bottom of the riser body (1), the waterproof sleeve (2) is used for the roof vent pipe (5) to be inserted, and a waterproof eave (3) is provided on the outer periphery of the waterproof sleeve (2), the waterproof eave (3) is used to cover the flashing end (7) connecting the roof vent pipe (5) and the roof waterproof layer (6) in the vertical direction.

2. The standpipe structure with a waterproof cornice according to claim 1, characterized by, The riser body (1), waterproof sleeve (2) and waterproof eaves (3) are prefabricated as a whole.

3. The standpipe structure with a waterproof cornice according to claim 1, characterized by, The outer diameter of the waterproof sleeve (2) is larger than the outer diameter of the riser body (1). The waterproof sleeve (2) and the riser body (1) are connected by the step (4). The inner diameter of the waterproof sleeve (2) is larger than the inner diameter of the riser body (1). The inner diameter of the riser body (1) is equal to the inner diameter of the roof vent pipe (5). The top of the roof vent pipe (5) is inserted and abuts against the step (4).

4. The standpipe structure with a waterproof cornice according to claim 1, characterized by, The waterproof eaves (3) are umbrella-shaped, and the lowest point of the waterproof eaves (3) is lower than the bottom surface of the waterproof sleeve (2).

5. The standpipe structure with a waterproof apron according to claim 1, characterized by, The outer diameter of the waterproof sleeve (2) is Ra, the width W of the waterproof eaves (3) is between Ra+30-100mm, and the height H of the waterproof eaves (3) is between 30-100mm.

6. The standpipe structure with a waterproof apron according to claim 2, characterized by, The thickness of the riser body (1) and the waterproof sleeve (2) is not less than 2mm. The riser body (1), the waterproof sleeve (2) and the waterproof eaves (3) are made of PVC or weather-resistant engineering plastic.