JPH0267095U

JPH0267095U -

Info

Publication number: JPH0267095U
Application number: JP14593388U
Authority: JP
Priority date: 1988-11-10
Filing date: 1988-11-10
Publication date: 1990-05-21

Description

[Brief explanation of drawings]

図面は本考案の実施例を示すものであつて、そ
の第１図は本考案の一部切除した要部斜視図、第
２図は本考案の一部断面にした正面図、第３図は
本考案の側部断面図、第４図は本考案の横断平面
図、第５図は一部切除したアウターロータの斜視
図、第６図はロータ室の凹状壁面の平面斜視図、
第７図はインナーロータの斜視図、第８図は本考
案の別の実施例の横断平面図、第９図は第６図と
は別の凹状壁面の平面斜視図、第１０図は第８図
の別の実施例の分解斜視図、第１１図乃至第１３
図は本考案の別の実施例の要部断面図、第１４図
、第１５図は本考案の別の実施例の断面図である
。Ａ……ケーシング、３……ロータ室、３ａ……
凹状壁面、３ｂ……流入側壁面、３ｃ……軸支孔
、３ｅ……内螺子、４……吸入ポート、５……吐
出ポート、６……アウターロータ、６ｃ……外面
、６ｄ……支持軸、ｃ……空隙、１０……調節螺
子、１０ａ……外螺子、１１……圧縮コイルスプ
リング。 The drawings show an embodiment of the present invention, in which Fig. 1 is a partially cutaway perspective view of the main part of the invention, Fig. 2 is a partially cutaway front view of the invention, and Fig. 3 is a partially cutaway front view of the invention. 4 is a cross-sectional plan view of the present invention; FIG. 5 is a perspective view of the outer rotor with a portion cut away; FIG. 6 is a perspective plan view of the concave wall of the rotor chamber;
7 is a perspective view of the inner rotor, FIG. 8 is a cross-sectional plan view of another embodiment of the present invention, FIG. 9 is a plan perspective view of a concave wall surface different from that shown in FIG. 6, and FIG. Exploded perspective views of other embodiments of the figures, Figures 11 to 13
The figure is a sectional view of a main part of another embodiment of the present invention, and FIGS. 14 and 15 are sectional views of another embodiment of the present invention. A...Casing, 3...Rotor chamber, 3a...
Concave wall surface, 3b... Inflow side wall surface, 3c... Pivotal support hole, 3e... Inner screw, 4... Suction port, 5... Discharge port, 6... Outer rotor, 6c... Outer surface, 6d... Support Shaft, c...Gap, 10...Adjustment screw, 10a...Outer screw, 11...Compression coil spring.

Claims

[Claims for Utility Model Registration] (1) A rotor chamber with a shaft support hole formed at the center of the bottom of the concave wall surface is provided inside the casing, and trochoid internal teeth and an internal bottom are formed to form a flat cup-shaped outer rotor. A trochoid type oil characterized in that a support shaft fixed to the center of the outer surface of the outer rotor is pivotally supported in a shaft support hole of the rotor chamber, and a gap is formed between the outer surface of the outer rotor and the concave wall surface. pump. (2) A rotor chamber with a shaft support hole formed at the center of the bottom of the concave wall is provided inside the casing, and trochoidal internal teeth and an internal bottom are formed to form a flat cup-shaped outer rotor, and the outer rotor has a flat cup-shaped outer rotor. A support shaft fixed at the center is pivotally supported in a shaft support hole of the rotor chamber, an inner thread is formed at the outer end of the shaft support hole, and an adjustment screw is formed with an outer thread that can be screwed into the inner thread. A compression coil spring is screwed into the support hole from the outer end, and a compression coil spring is arranged between the adjustment screw and the support shaft, and the outer rotor is pressed against the inflow side wall surface, and between the outer surface of the outer rotor and the concave wall surface. A trochoid type oil pump characterized by the formation of a void.