| 摘要 |
An adjustment device of an adjustable canopy of a swing set includes a fixed part, an engaging part, and an adjustable part. The fixed part is joined to the frame of a swing set, and has locating hooks. The engaging part is securely connected to the fixed part, and has engaging protrusions on an outer side, which have convexly curved surfaces, and plasticity. The adjustable part to which a covering part of the canopy is connected, has concavely curved sections spaced around an annular inner side. The locating hooks are connected to the adjustable part such that the adjustable part can turn relative to the fixed part. The concavely curved portions contact the convexly curved protrusions. The inner side of the adjustable part depresses the convexly curved protrusions when force is exerted on the adjustable part so that the canopy covering part can be adjusted.
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