一种船舶货舱舱口盖通风结构

By designing the lower and upper ventilation components of the cargo hold hatch cover, and using flange bases and bolt connections, the problem of poor ventilation of the cargo hold hatch cover was solved, enabling rapid installation and disassembly, preventing grain mold, reducing costs, and adapting to the ventilation structure of various types of ventilation ducts.

CN224511442UActive Publication Date: 2026-07-17CHINA MERCHANTS JINLING SHIPBUILDING (JIANGSU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA MERCHANTS JINLING SHIPBUILDING (JIANGSU) CO LTD
Filing Date
2025-09-23
Publication Date
2026-07-17

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Abstract

本实用新型公开了一种船舶货舱舱口盖通风结构，包括下部通风组件和上部通风组件，下部通风组件的下端伸入舱口盖孔内，并与位于舱口盖孔周侧的货舱顶壁连接，下部通风组件的上端与顶甲板连接，在下部通风组件的通风孔上部内侧壁处设有法兰基座，上部通风组件的下端和舱口盖均通过法兰和螺栓与法兰基座可拆卸连接，舱口盖与法兰基座连接时，舱口盖的上端面与顶甲板的上端面位于同一水平面内。本实用新型的船舶货舱舱口盖通风结构，在不改变原舱盖结构情况下，增加临时通风功能舱口盖上安装菌型通风筒，菌型通风筒通过螺栓安装在法兰基座上，在谷物装载状态时安装，在典型装载状态时拆卸菌型通风筒用舱口盖替代。
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Claims

1. A ventilation structure for a hatch cover of a cargo hold of a ship, characterized in that, The lower ventilation assembly is connected with the hatch cover and the flange base through flange and bolt.

2. A ship's cargo hold hatch vent structure according to claim 1, characterised in that, The upper ventilation assembly includes a ventilation cylinder, and annular lugs are arranged on the upper and lower outer walls of the ventilation cylinder.

3. A ship's cargo hold hatch vent structure according to claim 2, characterised in that, The flange base is fixed on the upper inner wall of the ventilation cylinder, and a plurality of supporting elbow plates are symmetrically arranged on the lower part of the flange base.

4. A ship's cargo hold hatch vent structure according to claim 3, characterised in that, The rubber sealing gasket is arranged between the flange of the hatch cover and the flange base.

5. A hatch cover ventilation structure according to any one of claims 1 to 4, c h a r a c t e r i s e d in that The upper ventilation assembly is a mushroom-shaped ventilation cylinder.