Air path assembly and dust collector

The utility model provides an air path assembly and a dust collector, the air path assembly comprises a main body (1), a positioning sleeve piece (2) and a filter (3), and the main body (1), the positioning sleeve piece (2) and the filter (3) are sequentially sleeved from outside to inside to form the air path assembly; wherein a fan is contained in the main body (1), and a plurality of longitudinal gaps (111) are formed in a shell of the main body (1). The whole air path is subjected to multi-stage filtering, and dust in the air flow is filtered layer by layer, so that the finally dischargedair flow is environment-friendly. 本实用新型提供一种风路组件以及吸尘器，其中，风路组件包括主体(1)、定位套件(2)以及过滤器(3)，所述主体(1)、定位套件(2)以及过滤器(3)依次由外向内套设形成所述风路组件；其中，所述主体(1)内容置有风机，主体(1)外壳设置有多个纵向缝隙(111)。整个风路经过多级过滤，将气流中的灰尘逐层过滤，使得最后排出来的气流是环保的。