Part engaging structure and apparatus having the same

摘要

A part engaging structure having sufficient intensity while reducing the use amount of material, and having high positioning accuracy is provided. An engaging structure allows a protruding portion formed at a first part to be received by a receiving portion formed at a second part and engages the first part with the second part. The protruding portion is formed of a structure body having a plurality of ribs combined in a polygonal shape lacking part of sides, and at least two of corner portions of the polygon of the structure body contact an inner surface of the receiving portion.

主权项

1. A structure comprising:
a first member having a first protruding portion and a second protruding portion; and a second member having a first receiving portion and a second receiving portion each having inner surfaces, wherein the second member engages with the first member by fitting the first protruding portion in the first receiving portion and fitting the second protruding portion in the second receiving portion, respectively, wherein each of the first and the second protruding portions includes three ribs to form an imperfect quadrangle shape having three sides and lacking one side and having four corners, and each of the three sides is not parallel to the inner surfaces, and wherein the four corners of the first protruding portion contact four inner surfaces of the first receiving portion, and opposite two corners of the second protruding portion contact two inner surfaces of the second receiving portion.