JPS6411384U

JPS6411384U -

Info

Publication number: JPS6411384U
Application number: JP10454287U
Authority: JP
Priority date: 1987-07-09
Filing date: 1987-07-09
Publication date: 1989-01-20

Description

[Brief explanation of the drawing]

第１図ないし第４図は、本考案の１実施例を示
す。第１図はベーンがポンプから最も外に出る位
置に来たときの正面図（第１ポンプ部での断面図
）を、第２図はこの位置からローターがやや回転
して負圧部・加圧部が生じたときの正面図（第１
ポンプ部での断面図）を、第３図は平面図を、第
４図は側面図（断面図）を示す。第５図ないし第
８図は、従来例を示す。第５図はベーンがポンプ
から最も外に出る位置に来たときの正面図（第１
ポンプ部での断面図）を、第６図はこの位置から
ローターがやや回転して負圧部・加圧部が生じた
ときの正面図（第１ポンプ部での断面図）を、第
７図は平面図を、第８図は側面図（断面図）を示
す。１１；第１ポンプのシリンダー、１２；第２ポ
ンプのシリンダー、１３；前板、１４；中板、１
５；後板、２１；第１ポンプのローター、２２；
第２ポンプのローター、２３；シヤフト、３１；
第１ポンプのベーン（翼）、３２；第２ポンプの
ベーン（翼）、４１；第１ポンプのレバー、４２
；第２ポンプのレバー、４３；第１ポンプのレバ
ー回転軸、４４；第２ポンプのレバー回転軸、４
５；第１ポンプのレバー用ピン、４６；第２ポン
プのレバー用ピン、４７；第１ポンプの固定ピン
、４８；第２ポンプの固定ピン、５０；スプリン
グ、５１；第１ポンプのスプリング、５２；第２
ポンプのスプリング、５３；フツク、６１；第１
ポンプの吸気口、６２；第２ポンプの吸気口、６
３；排気口、７１；負圧部、７２；加圧部。 1 to 4 show one embodiment of the present invention. Figure 1 is a front view (cross-sectional view at the first pump part) when the vane is at the position where it is furthest out from the pump, and Figure 2 shows the rotor rotating slightly from this position and applying pressure to the negative pressure section. Front view when pressure area occurs (first
3 shows a plan view, and FIG. 4 shows a side view (cross-sectional view). 5 to 8 show conventional examples. Figure 5 is a front view (first
Figure 6 is a front view (cross-sectional view at the first pump part) when the rotor rotates slightly from this position to create a negative pressure section and pressurized section, and Figure 7 is a sectional view at the first pump section. The figure shows a plan view, and FIG. 8 shows a side view (sectional view). 11; first pump cylinder, 12; second pump cylinder, 13; front plate, 14; middle plate, 1
5; Rear plate, 21; Rotor of first pump, 22;
Second pump rotor, 23; shaft, 31;
Vane (wing) of the first pump, 32; Vane (wing) of the second pump, 41; Lever of the first pump, 42
Lever of second pump, 43; Lever rotation shaft of first pump, 44; Lever rotation shaft of second pump, 4
5; Lever pin of the first pump, 46; Lever pin of the second pump, 47; Fixing pin of the first pump, 48; Fixing pin of the second pump, 50; Spring, 51; Spring of the first pump, 52; 2nd
Pump spring, 53; hook, 61; first
Pump inlet, 62; second pump inlet, 6
3; exhaust port; 71; negative pressure section; 72; pressurization section.

Claims

[Claims for Utility Model Registration] 1. Cylinder, eccentrically installed rotor,
In a multi-stage rotary pump in which multiple rotary pumps consisting of vanes and levers are connected, 1
The rotors of a pair or pairs of adjacent pumps are made to have eccentric directions different from each other, and the levers of such adjacent pumps are provided in opposite directions, and the levers are connected by an elastic body. A multi-stage rotary pump featuring: 2. The multistage rotary pump according to claim 1, wherein the elastic body is a spring. 3. The multistage rotary pump according to claim 1, wherein the elastic body is a hydraulic cylinder. 4. The multi-stage rotary pump according to claim 1, 2 or 3, wherein the eccentric directions are different from each other by 180 degrees.