Circuit breaker insulation frame

The utility model provides a breaker insulation frame comprising a frame body which is in a long strip shape, the surface of the frame body is recessed downwards to form three arc extinguish chambers, the frame body at the bottoms of the arc extinguish chambers extends downwards to form an insulation cylinder, the outer cavity wall of the insulation cylinder is connected with the bottom of the frame body through an outer reinforcing rib, and a skewer is installed in the insulation cylinder. The frame body at the top of the arc extinguish chamber is provided with a skewer cover, and the bottom of the insulating cylinder is provided with a vertically through connecting hole 5. After the scheme is adopted, the structure is reasonable, the using effect is good, and operation is convenient. 本实用新型提供一种断路器绝缘框架，它包括有架体，架体呈长条形，架体表面下凹形成有三个灭弧室，灭弧室底部的架体向下延伸形成绝缘筒，绝缘筒外腔壁与架体底部之间通过外加强筋连接，扦件安装在绝缘筒内，灭弧室顶部的架体上安装有扦件盖，绝缘筒底部设有上下贯穿的连接孔5。采用本方案后的结构合理、使用效果好、操作方便。