JPS6260233U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係るセラミツク軸と金属軸と
の接合構造の側面断面図、第２図は同セラミツク
軸と金属軸との接合構造の一部変更実施例を示す
側面断面図、第３図は金属軸の円筒部とセラミツ
クス軸との寸法関係を表す側面図、第４図は従来
の一般的なセラミツク軸と金属軸との接合構造の
側面断面図、第５図は同セラミツク軸と金属軸と
の接合構造における不具合を示す側面断面図であ
る。 ２：セラミツクス軸、３：金属軸、４：円筒部
、５：接合部、６，６ａ：軸穴、７，７ａ：小径
軸、９：端壁。 FIG. 1 is a side cross-sectional view of a joint structure between a ceramic shaft and a metal shaft according to the present invention, FIG. 2 is a side cross-sectional view showing a partially modified embodiment of the joint structure between a ceramic shaft and a metal shaft, and FIG. The figure is a side view showing the dimensional relationship between the cylindrical part of the metal shaft and the ceramic shaft, Figure 4 is a side cross-sectional view of a conventional general bonding structure between a ceramic shaft and a metal shaft, and Figure 5 is a side view showing the dimensional relationship between the cylindrical part of the metal shaft and the ceramic shaft. FIG. 3 is a side sectional view showing a defect in the joint structure with the metal shaft. 2: ceramic shaft, 3: metal shaft, 4: cylindrical part, 5: joint part, 6, 6a: shaft hole, 7, 7a: small diameter shaft, 9: end wall.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 金属軸の端部に形成した円筒部の端壁と、該円
筒部に嵌合されかつ常温で前記円筒部の内径より
も大径のセラミツク軸の端部との、一方に設けた
軸穴に、他方に設けた芯合せ用の小径軸を嵌合し
たことを特徴とするセラミツク軸と金属軸との接
合構造。 In the shaft hole provided in one of the end wall of the cylindrical part formed at the end of the metal shaft and the end of the ceramic shaft that is fitted into the cylindrical part and has a larger diameter than the inner diameter of the cylindrical part at room temperature. A joining structure of a ceramic shaft and a metal shaft, characterized in that a small diameter shaft for centering provided on the other is fitted.