Rolling type dynamic vibration absorber

The invention discloses a rolling type dynamic vibration absorber, and belongs to the technical field of automobile shock absorbers, the rolling type dynamic vibration absorber comprises a shell, a mass block and a rubber part, the peripheral surface of the mass block is wrapped by the rubber part to form a vibration absorption part, the shell forms a mounting space, the vibration absorption part is located in the mounting space, a gap exists between the vibration absorption part and the inner wall surface of the shell, and the rubber part is located in the mounting space. And the vibration absorption piece can move in the mounting space when being stressed. The antenna has the characteristics that the antenna can play a role in a wide-area frequency band, does not cause secondary resonance and is light in weight. 本申请公开了一种滚动式动力吸振器，属于汽车减振器技术领域，包括壳体、质量块与橡胶件，所述的质量块外周面由橡胶件包裹构成吸振件，所述的壳体构成了安装空间，吸振件位于安装空间内，吸振件与壳体内壁面之间存在间隙，吸振件受力可在安装空间内活动。具有在广域频率带都可以起到作用、不引起二次共振、轻量化的特点。