1、卡扣设计的关键点

1, card buckle design key points

1. 数量与位置：设在转角处的扣位应尽量靠近转角；

1. The quantity and location: located in the corner of the button should be near the corner as far as possible;

2. 结构形式与正反扣：要考虑组装、拆卸的方便，考虑模具的制作；

2. The structure and the positive and negative buckle, want to consider the convenience of assembly, disassembly, considering the mould production;

3. 卡扣处应注意防止缩水与熔接痕；

3. Card buckle should pay attention to prevent shrinkage and weld mark;

4. 朝壳体内部方向的卡扣，斜销运动空间不小于5mm；

4. In the direction of the shell inside card buckle, pin movement space is not less than 5 mm;

2、 常见卡扣设计

2, the common card buckle design

通常上盖设置跑滑块的卡钩，下盖设置跑斜顶的卡钩；因为上盖的筋条比下盖多，而且上盖的壁常比下盖深，为避免斜顶无空间脱出

Usually cover is set to run the slider card hook, under cover set running inclined top card hook; Because on the cover of rod is more than the bottom cover, and cover the walls often than under cover, no space to avoid inclined top out