| 摘要 |
A wind vane device comprises a horizontal portion that can swivel by the propeller blades provided at one end, a vertical portion with one end attached to the bottom of the horizontal portion and the other end extending downwardly, a supporting frame supporting the horizontal portion at the lower side of the vertical portion, wherein the vertical portion is cylindrical and has a plurality of radial partitioning walls at inner side in the axial direction; an upright shaft having an axle 51 with thread portions at both ends, one end of which is fastened to the center of the partitioning wall and the other end provided with a pair of bearings, a bearing sleeve being put around the outside of the pair of bearings; wherein the supporting frame consists of several sections of supporting rods. An engageable and disengageable structure is formed between a supporting rod and a supporting rods through a connector. The upper end located at the supporting rod of top-section engages at the outside of the bearing sleeve. In this manner, a structure easy for assembling/disassembling and transporting can be obtained.
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