JPS62116186U

JPS62116186U -

Info

Publication number: JPS62116186U
Application number: JP423086U
Authority: JP
Priority date: 1986-01-16
Filing date: 1986-01-16
Publication date: 1987-07-23

Description

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

第１図は本考案の第１の実施例を示す斜視図、
第２図は本考案の第２の実施例を示す斜視図で、
各図ａはロータ本体を鋳込む前のシヤフト、各図
ｂはロータ本体を鋳込んだ後のシヤフト付ロータ
を各々示し、第３図はシヤフト付ロータの一例を
示す斜視図、第４図乃至第６図は各々従来例を示
す斜視図を各々示す。１……シヤフト付ロータ、１０，２０……シヤ
フト、１１……溝、１１ａ，２１ａ……第１の受
面、１１ｂ，２０ａ……第２の受面、１２，２２
……ロータ本体、２１……円周溝。 FIG. 1 is a perspective view showing a first embodiment of the present invention;
FIG. 2 is a perspective view showing a second embodiment of the present invention.
Each figure a shows the shaft before the rotor body is cast, each figure b shows the rotor with the shaft after the rotor body is cast, FIG. 3 is a perspective view showing an example of the rotor with the shaft, and FIGS. FIG. 6 each shows a perspective view showing a conventional example. 1... Rotor with shaft, 10, 20... Shaft, 11... Groove, 11a, 21a... First receiving surface, 11b, 20a... Second receiving surface, 12, 22
...Rotor body, 21...Circumferential groove.

Claims

【実用新案登録請求の範囲】 (1) シヤフトと、このシヤフトに鋳込んで一体
とされたロータ本体とから成る回転翼形ポンプに
おけるシヤフト付ロータにおいて、前記シヤフト
は、前記シヤフトに対する前記ロータ本体の長手
方向への相対的移動を阻止する第１の受面と、前
記シヤフトに対する前記ロータ本体の回転方向へ
の相対的移動を阻止する第２の受面とを有するこ
とを特徴とする回転翼形ポンプにおけるシヤフト
付ロータ。 (2) 円形断面を有するシヤフトの外周に、この
シヤフトの軸線と平行でかつその深さ方向が前記
外周から前記軸線に向かう溝を形成し、この溝に
おいて、前記軸線と垂直な面を第１の受面とし、
前記軸線と平行な面を第２の受面としたことを特
徴とする実用新案登録請求の範囲第１項記載の回
転翼形ポンプにおけるシヤフト付ロータ。 (3) 多角形断面を有するシヤフトの外周に円周
溝を形成し、この溝において、前記シヤフトの軸
線と垂直な面を第１の受面とし、前記シヤフトの
外周を第２の受面としたことを特徴とする実用新
案登録請求の範囲第１項記載の回転翼形ポンプに
おけるシヤフト付ロータ。[Claims for Utility Model Registration] (1) In a rotor with a shaft in a rotary vane pump, which comprises a shaft and a rotor body integrally cast into the shaft, the shaft A rotary airfoil shape characterized by having a first receiving surface that prevents relative movement in the longitudinal direction and a second receiving surface that prevents relative movement of the rotor body in the rotational direction with respect to the shaft. A rotor with a shaft in a pump. (2) A groove is formed on the outer periphery of the shaft having a circular cross section, and the groove is parallel to the axis of the shaft and whose depth direction extends from the outer periphery to the axis, and in this groove, a surface perpendicular to the axis is a first groove. As the receiving side of
A rotor with a shaft in a rotary vane pump according to claim 1, wherein a surface parallel to the axis is a second receiving surface. (3) A circumferential groove is formed on the outer periphery of the shaft having a polygonal cross section, and in this groove, a surface perpendicular to the axis of the shaft is a first receiving surface, and an outer periphery of the shaft is a second receiving surface. A shaft-equipped rotor in a rotary vane pump according to claim 1, characterized in that: