Kink and hot water machine panel that casing is buckled and is located

The utility model provides a kink that the casing is buckled and is located, the structure of buckling is not for before bending the protrusion that the punching press formed on the curb plate the stamping structure on curb plate surface, just stamping structure is in region on the curb plate extends to keeping away from of curb plate the edge of bottom plate. In the shaping during the kink, the outstanding stamping structure who sets up goes up to be merged by a plurality of not equidirectional extrusion forces and forms, and not equidirectional extrusion force cancel each other out is used in less with joint efforts on the kink this moment for the energy run -down of kink, thus effectually prevent the fracture that stress concentration caused on the material. 本实用新型提供的壳体弯折处的弯折部，所述弯折结构为在未折弯前的所述侧板上冲压形成的凸出所述侧板表面的冲压结构，且所述冲压结构在所述侧板上的区域延伸至所述侧板的远离所述底板的边缘。在成型所述弯折部时，突出设置的冲压结构上由多个不同方向的挤压力合并而成，不同方向的挤压力相互抵消，此时作用在弯折部上的合力较小，使得弯折部的能量变弱，从而有效的防止材料上应力集中造成的开裂。