JPS6123402U

JPS6123402U - impeller

Info

Publication number: JPS6123402U
Application number: JP10820384U
Authority: JP
Inventors: 豊明小野
Original assignee: 三菱重工業株式会社
Priority date: 1984-07-19
Filing date: 1984-07-19
Publication date: 1986-02-12

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】第１図は本考案に係る羽根車の一実施例を示す断面図、
第２図は本考案における連結環の適正長さを説明するた
めに示した円筒の軸方向断面図、第３図は無次元長さｋ
ｓに関する特性図、第４図および第５図は本考案の夫々
他の実施例を示す断面図、第６図は従来の羽根車を示し
た断面図、第７図は第６図の■一■線に沿う断面矢視図
である。１１・・・・・・羽根車、１２・・・・・・羽根、１３
・・・・・・ボス、１４・・・・・・ディスク部、１５
・・・・・・連結環、１６・・・・・・テーパー嵌合ボ
ス部、１７・・・・・・回転軸、１８・・・・・・延出
部、１９・・・・・・テーパー部。[Brief Description of the Drawings] Fig. 1 is a sectional view showing one embodiment of an impeller according to the present invention;
Figure 2 is an axial cross-sectional view of a cylinder shown to explain the appropriate length of the connecting ring in the present invention, and Figure 3 is the dimensionless length k.
FIG. 4 and FIG. 5 are sectional views showing other embodiments of the present invention, FIG. 6 is a sectional view showing a conventional impeller, and FIG. ■It is a cross-sectional view taken along the line. 11...impeller, 12...blade, 13
...Boss, 14...Disc part, 15
......Connection ring, 16...Tapered fitting boss part, 17...Rotating shaft, 18...Extending part, 19... Taper part.

Claims

【実用新案登録請求の範囲】回転軸に取着される羽根車において、軸芯部に前記回転
軸が遊挿される表面に羽根の形成されたディスク部と、
このディスク部から軸方向へ連結環を介して延設された
前記回転軸にテーパー状に嵌合するテーパー嵌合ボス部
とを有し、前記連結環の軸方向の但しＳは連結環の長さ νは連結環の材料のポアソン比Ｒは連結環の板厚中心の半径ｈは連結環の板厚で表わされる無次元長さが２．５以上である羽根車。[Claims for Utility Model Registration] In an impeller attached to a rotating shaft, a disk portion having blades formed on the surface of which the rotating shaft is loosely inserted into the shaft core portion;
and a tapered fitting boss portion that fits into the rotating shaft in a tapered shape extending from the disk portion in the axial direction via a connecting ring, where S is the length of the connecting ring in the axial direction. ν is the Poisson's ratio of the material of the connecting ring, R is the radius at the center of the plate thickness of the connecting ring, and h is an impeller whose dimensionless length expressed by the plate thickness of the connecting ring is 2.5 or more.