Folding and first toothbrush of interchangeable brush of level

The utility model aims at providing a long service life, folding convenience and the low folding and first toothbrush of interchangeable brush of level of use cost. The utility model discloses a toothbrush handle (1), toothbrush head (2) and toothbrush protective sheath (3), the one end of toothbrush handle (1) with toothbrush protective sheath (3) articulated cooperation, the other end of toothbrush handle (1) is provided with connector link (11), the one end of toothbrush head (2) be provided with with connector link (11) rotatory complex connector link hole (21), the activity direction of toothbrush head (2) with the activity direction mutually perpendicular of toothbrush protective sheath (3). The utility model discloses be applied to the technical field of toothbrush. 本实用新型旨在提供种使用寿命长、折叠方便和使用成本低的水平折叠及可换刷头的牙刷。本实用新型包括牙刷柄（1）、牙刷头（2）和牙刷保护套（3），所述牙刷柄（1）的端与所述牙刷保护套（3）铰接配合，所述牙刷柄（1）的另端设置有连接扣（11），所述牙刷头（2）的端设置有与所述连接扣（11）旋转配合的连接扣孔（21），所述牙刷头（2）的活动方向与所述牙刷保护套（3）的活动方向相互垂直。本实用新型应用于牙刷的技术领域。