The invention relates to sports equipment, in particular to a water-instrusion-preventing breathing tube head based on small hole throttling effect, which is simple and small in structure, can preventa user from being inhaled by waves during snorkeling, and consists of the following parts: an outer cover; a section of breather pipe extends into the lower part of the outer cover; a mounting head is arranged at the lower end of the breather pipe; the upper end of the breather pipe is close to the top in the outer cover; a plurality of small holes are densely distributed in the outer cover; andthe small holes are lower than the upper end of the breather pipe.
本发明涉及一种运动器材,具体而言,涉及一种结构简单小巧,能避免使用者在浮潜时被波浪呛水的,基于小孔节流作用的防进水浮潜呼吸管头,由以下部分组成:一个外罩;外罩下部伸入一段通气管;通气管下端设置一个安装头;通气管的上端接近外罩内顶部;外罩上密布若干小孔;小孔高度低于通气管的上端。
Water-intrusion-preventing snorkeling breathing tube head based on small hole throttling effect
基于小孔节流作用的一种防进水浮潜呼吸管头
2021-03-02
Patent
Elektronische Ressource
Chinesisch
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |
Europäisches Patentamt | 2021
|