| 摘要 |
The present invention relates to a propeller structure composed of composite materials having a buried hub. The present invention comprises: an inner hub having circular sections in all directions; a blade hub; and an outer hub which are multiply stacked sequentially outward from the inside, wherein the blade is extended by a vertical connection part formed by extending from an outer circumference surface of the blade hub. Accordingly, gap problems and fixating different types of materials can be solved in the process of manufacturing the propeller using different types of materials to solve the problems associated with cavitation, corrosion, etc of the propeller. Also, the present invention has the propeller structure with a burial structure of a circular structure being buried in another circular structure. The problem of fixating constituents composed of different types of materials can be solved via the composition of a combination part having bolt and nut pitches applied thereto. |
