JPS6155387A

JPS6155387A - Rotary pump

Info

Publication number: JPS6155387A
Application number: JP17524084A
Authority: JP
Inventors: Kojuro Shinozaki; 篠崎　孝十郎
Original assignee: Individual
Current assignee: Individual
Priority date: 1984-08-24
Filing date: 1984-08-24
Publication date: 1986-03-19

Abstract

PURPOSE:To raise the strength of a vane by furnishing an eccentric rotor with a vane penetrating, and giving the locus of the ends of this vane a form identical to the bore of the cylinder. CONSTITUTION:A rotor 2 is installed eccentric from the center of the cylinder 1, and one point on the periphery of the rotor is in contact with the bore of the cylinder 1. A vane 3 is provided as penetrating the axis of the rotor. The configuration of the cylinder bore is identical to the locus which the vane 3 draws with its two ends when the rotor 2 is rotated. As the vane 3 can be formed from a single plate, its strength can be high and also its construction be compacted.

Description

【発明の詳細な説明】（産業上の利用分野）本発明は摺動ベーンを有づ°る回転ｆｌ；Ｉｔの中心が
ケーシングの中心に対して偏心した回転ポンプに関η”
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rotary pump having sliding vanes, the center of which is eccentric with respect to the center of the casing.
Ru.

（従来の技術）この種の回転ポンプにおけるｌ！！！動ベーンは回転軸
内に嵌挿して、その嵌挿部に設けたばねでベーンはケー
シング内周面に弾着されるものを一般とした。(Prior Art) l! in this type of rotary pump! ! ! The movable vane is generally inserted into the rotating shaft, and the vane is elastically attached to the inner circumferential surface of the casing by a spring provided in the insertion part.

（ｅ　ＢＰＩが解決しようとする問題点）そのためベー
ンと回転軸とは、その摺動の時の１昼勤面積の変動が大
きくベーンの回転方向の強度が不安定となって小型化出
来ない等の問題を有していた。(e) The problem that BPI is trying to solve: Therefore, when the vane and the rotating shaft slide, the area of one day shift changes greatly, and the strength in the direction of rotation of the vane becomes unstable, making it impossible to downsize. I had this problem.

（問題点を解決するための手段）本発明はか）る問題点を解決することを目的ととたちの
で、１習動ベーンを有する回転軸の中心が、ケーシング
の中心に対して偏心した回転ポンプにおいて、前記摺動
ベーンの長さを、回転軸のケーシングに内接する接点と
、回転軸の軸芯とを結んで、ケーシングに内接する長さ
に形成し、該ベーンを前記回転軸の軸芯を通って回転軸
に摺動自在に嵌挿し、該ベーンが回転軸の回動によって
画く円をもって前記ケーシングの内周面を形成したこと
を特徴どする。(Means for Solving the Problem) The present invention aims to solve the above problem, so that the center of the rotating shaft having one driving vane rotates eccentrically with respect to the center of the casing. In the pump, the length of the sliding vane is formed to be inscribed in the casing by connecting a contact inscribed in the casing of the rotating shaft and the axis of the rotating shaft, and the vane is formed in a length that is inscribed in the casing by connecting a contact point inscribed in the casing of the rotating shaft and an axis of the rotating shaft. The vane is slidably inserted into the rotating shaft through the core, and the inner circumferential surface of the casing is formed by the vane having a circle drawn by rotation of the rotating shaft.

（実施例）以下この発明を図面に塁き説明するど（１）　ＩＪ、ケ
ーシング、（２）は回転軸を示し、該ケーシング（１）
の軸芯（１ａ）と回転軸（２）の軸芯（２ａ）どは偏心
さけると共に、該回転ｌ１ｌｌｌｌ（２）に、その軸芯
（２ａ）を通って直径方向の１個のベーン（３）を回動
自在に接り、該ベーン（３）の長さは、回転＋１１１（
２）の外周がケーシング（１〉の内周に接する接点（４
）と、回転軸（２）の軸芯（２ａ）とを結んでケーシン
グ（１）に内接する長さ形成さＶるど共にケーシング（
１）の内周面は該ベーン（３）が回転軸（２）の回動に
よって画く円をもって形成ざＵだ。(Example) This invention will be explained below with reference to the drawings.(1) IJ, casing, (2) indicates a rotating shaft,
The shaft center (1a) of the rotation shaft (2) and the shaft center (2a) of the rotating shaft (2) are kept eccentric, and one vane (3 ) are rotatably connected, and the length of the vane (3) is rotation +111 (
A contact (4) whose outer circumference touches the inner circumference of the casing (1)
) and the axis (2a) of the rotating shaft (2) to form a length V inscribed in the casing (1).
The inner peripheral surface of 1) is formed by a circle drawn by the vane (3) by rotation of the rotating shaft (2).

なお図示のものでは、ケーシング（１）の＋ｋｌ＋芯（
１ａ）を中心として回転軸（２）の外周に内接する仮想
円（５）を画さ、該仮想円（５）の直径と同じ長さにベ
ーン（３）の艮ざは設定され、更にケーシング（１）の
軸芯（１ａ）と回転軸（２）の軸芯（２８）とを結ぶ一
半部即ら図面で左半部の仮想円り５）の円弧と、該−半
部の仮想円（５）に１シするベーン（３）の他端が画く
円弧とを５ってケーシングの内周面を形成させ、かくて
ベーン（３）の端部は常に仮想円（５）の−半部の円弧
に沿って回動して非円形のケーシング（１〉内において
もベーン（３）は円滑に動＜Ｊ：うにした。In the illustrated example, +kl+core (of the casing (1))
An imaginary circle (5) inscribed in the outer periphery of the rotating shaft (2) is defined around 1a), and the length of the vane (3) is set to be the same as the diameter of the imaginary circle (5). One half of the arc connecting the axis (1a) of (1) and the axis (28) of the rotating shaft (2), that is, the left half of the virtual circle 5) in the drawing, and the virtual circle of the other half. (5) and the arc drawn by the other end of the vane (3) form the inner circumferential surface of the casing, so that the end of the vane (3) is always the -half of the virtual circle (5). The vane (3) rotated along the circular arc of the vane (3) so that it could move smoothly even within the non-circular casing (1).

図中（６）は吸入口、（７〉は吐出口を示す。In the figure, (6) indicates the suction port, and (7>) indicates the discharge port.

（発明の効果）このように本発明によるときは、回転軸（２）の１習動
ベーン（３）の長さを回転ｑ噛（２）のケーシング（１
〉に内接する接点（４）と回転’ｍ　（２）ま軸芯（２
ａ）とを結んでケーシングに内接する長さに形成し、該
ベーン（３）を回転軸（２）の軸芯（２ａ）を通って回
転軸（２）に摺動自在に嵌挿し、該ベーン（３）が回転
軸（２）の回動によって画く円をもってケーシング（１
）の内周面を形成したからケーシング（１）内を回動す
る回転ｆ（ＩＩ　（２＞のベーン（３）は、その両側が
ケーシング（１）に内接する１枚の板体をもって形成さ
れるため強度的に強いものに（ｑられ小型化が容易とな
ると共に１枚のベーンにより吸入吐出されるため吐出力
の大きなものが得られる効果を有する。(Effects of the Invention) According to the present invention, the length of one driving vane (3) of the rotating shaft (2) is adjusted to the length of the casing (1) of the rotating shaft (2).
〉 Contact point (4) inscribed in the rotation 'm (2) Axial center (2
a) to form a length that is inscribed in the casing, and the vane (3) is slidably inserted into the rotating shaft (2) through the axis (2a) of the rotating shaft (2). The vane (3) moves around the casing (1) with a circle drawn by the rotation of the rotating shaft (2).
) The vane (3) of (II) is formed by one plate whose both sides are inscribed in the casing (1). Therefore, it is strong in strength (q), which facilitates miniaturization, and because it is sucked and discharged by a single vane, it has the effect of obtaining a large discharge force.

[Brief explanation of the drawing]

図面は本発明の一実施例を示す断面図である。（１）・・・ケーシング　　　（１ａ）・・・軸芯（２
）・・・回転軸　　　　　（２ａ）・・・軸芯（３）・
・・ベーンThe drawing is a sectional view showing an embodiment of the present invention. (1)...Casing (1a)...Axle core (2
)... Rotating shaft (2a)... Axis core (3)
・・Vane

Claims

[Claims]

In a rotary pump in which the center of a rotating shaft having a sliding vane is eccentric with respect to the center of the casing, the length of the sliding vane is connected between a contact point inscribed in the casing of the rotating shaft and the axis of the rotating shaft. The vane is formed to a length that is inscribed in the casing, and the vane is slidably inserted into the rotating shaft through the axis of the rotating shaft, and the vane is formed to have a length that is inscribed in the casing, and the vane forms a circle drawn by rotation of the rotating shaft. A rotary pump characterized by having an inner circumferential surface formed with a.