Node structure of nail block and applied nail block

An embodiment of the utility model provides a node structure of nail block and applied nail block, the nail block, include: the buckle closure, the buckle closure includes: caping, two lid lateral walls and two lids are followed, detain the seat, detain the stationary ladle and draw together: U type seat top, two seat lateral walls and two seats are followed, wherein, the buckle closure can the lock on detaining the seat, when the buckle closure lock in detaining seat when lasting, the seat is detained to the buckle closure parcel, and the second on two seat edges end supports card in the junction of second end with the first end on two lid edges of two lid lateral walls, correspondingly, still provide one kind and use and follow closely the node structure of blocking a shot, according to the utility model provides a technical scheme can solve the pin fin effectively and expose the problem in the outside, has reduced the probability that the pin fin received rain erosion, has improved the life of nail, and th