| 摘要 |
An air path conversion valve assembly of an upright vacuum cleaner, having a duct member mounted to the body of the vacuum cleaner, including a first air path connected with the brush assembly, a second air path connected with a hose, a third air path connected with a suction source of the vacuum cleaner, and a crossing air path in which the first, the second, and the third air paths meet; a valve member pivotably mounted to the crossing air path; a cam unit pivoting the valve member to connect the first air path and the third air path when the body is inclined, and connect the second air path and the third air path when the body is upright; and at least one link member connecting the cam unit and the valve member to transfer a driving force of the cam unit to the valve member.
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