| 摘要 |
A combination spherical whistle formed by hooking up elongated, hollow, smoothly arched front, rear, left, right, top and bottom whistle elements with one another, the whistle elements each having two smoothly curved end portions at two distal ends, two bearing faces bilaterally symmetrically disposed in the middle between the smoothly curved end portions, two symmetrical pairs of hooked portions respectively provided at the connecting areas between the smoothly curved end portions and the bearing faces, the end portions of each of the whistle elements being respectively attached to the bearing faces of the other whistle elements, the hooked portions of each of the whistle elements being hooked up with the hooked portions of the other whistle elements, the front whistle element and the rear whistle element each further having a trapezoidal recess at one bearing face for easy installation of the top whistle element; the top whistle element has an air outlet, a mouthpiece formed integral with one end portion thereof adjacent to the air outlet and defining an air inlet, a cover plate fastened to an inside wall thereof and defining a resonant chamber in communication between the air inlet and the air outlet, and a vibrator received in the resonant chamber.
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