The invention relates to a noise reduction and vibration reduction device, a brake vacuum pipeline and a vehicle. The noise reduction and vibration reduction device comprises an air inlet pipe, a resonant cavity and an air outlet pipe, and the interior of the resonant cavity is divided into an air inlet cavity and an air outlet cavity through a partition plate; the air inlet pipe penetrates through the air outlet cavity and the partition plate to be communicated with the air inlet cavity, the air outlet pipe penetrates through the air inlet cavity and the partition plate to be communicated with the air outlet cavity, and air enters from the air inlet pipe, sequentially flows through the air inlet cavity, vent holes in the partition plate and the air outlet cavity and flows out from the air outlet pipe. At least two first radial protrusions are arranged on the inner side wall of the air inlet cavity, and at least two second radial protrusions are arranged on the inner side wall of the air outlet cavity, so that air flow in the small-area resonant cavity is counteracted reversely for multiple times, and noise reduction and vibration reduction are achieved. The invention further provides a brake vacuum pipeline which comprises the noise reduction and vibration reduction device. The invention further provides a vehicle which comprises the brake vacuum pipeline. The automobile brake vacuum pipeline solves the problem that a one-way valve generates vibration and abnormal sound due to the fact that the gas flow speed is continuously too high in an existing automobile brake vacuum pipeline.
本发明涉及一种消音减振装置、制动真空管路及车辆。消音减振装置,包括进气管、谐振腔和出气管,谐振腔内通过隔板分隔成进气腔和出气腔;进气管穿过出气腔和隔板连通进气腔,出气管穿过进气腔和隔板连通出气腔,空气从进气管进入,依次流过进气腔、隔板上的通气孔和出气腔,从出气管流出;进气腔的内侧壁上设有至少两个第一径向凸起,出气腔的内侧壁上设有至少两个第二径向凸起,使气流在小面积的谐振腔内,多次反向抵消,实现消音减振。本发明还提供了一种制动真空管路,包括所述的消音减振装置。本发明还提供了一种车辆,包括所述的制动真空管路。本发明解决了现有汽车的制动真空管路因持续存在气体流速过快,导致单向阀产生振动异响的问题。
noise reduction and vibration reduction device, brake vacuum pipeline and vehicle
一种消音减振装置、制动真空管路及车辆
2021-11-02
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |