JPS629744U

JPS629744U -

Info

Publication number: JPS629744U
Application number: JP10207385U
Authority: JP
Priority date: 1985-07-03
Filing date: 1985-07-03
Publication date: 1987-01-21
Also published as: JPH0410430Y2

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の回転角度制御用ロー
タリーアクチユエータを示す縦断面図、第２図は
第１図のＸ―Ｘ線切断による横断面図、第３図は
同じく本実施例の３段階の回転角度状態を示す底
面図、第４図は本考案の実施例で示したストツパ
プレートとプランジヤストツパとの当接状態の説
明図、第５図は本考案の実施例の回転角度制御用
ロータリーアクチユエータを車輌の減衰力を３段
階にコントロールするサスペンシヨンシステムに
用いた例の要部断面図、第６図は第５図の切断線
Ｘ１―Ｘ１及び切断線Ｘ２―Ｘ２及び切断線Ｘ３
―Ｘ３で切断した場合のオリフイスの開閉状態を
示す断面図、第７図は本考案の実施例の回転角度
制御用ロータリーアクチユエータの回転角度の設
定状態を説明する説明図、第８図は従来の回転角
度制御用ロータリーアクチユエータの停止手段を
示す斜視図である。図において、１０……直流モータ、１１……小
プーリー、１２……大プーリー、１３……出力軸
、１４……ベルト、２０……下部ハウジング、２
１……上部ハウジング、３０……ソレノイド、３
８……プランジヤストツパ、５５……ストツパプ
レート、である。なお、図中、同一符号及び同一
記号は、同一または相当部分を示す。 FIG. 1 is a longitudinal cross-sectional view showing a rotary actuator for rotational angle control according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line X--X of FIG. 1, and FIG. 3 is a similar embodiment of the present invention. Fig. 4 is an explanatory diagram of the state of contact between the stopper plate and the plunger stopper shown in the embodiment of the present invention, and Fig. 5 is a bottom view showing the three stages of rotation angle states. A cross-sectional view of the main parts of an example in which a rotary actuator for rotational angle control is used in a suspension system that controls the damping force of a vehicle in three stages. Figure 6 is a cross-sectional view of the main parts of an example in which a rotary actuator for controlling the rotation angle is used in a suspension system that controls the damping force of a vehicle in three stages. X2 and cutting line X3
- A sectional view showing the opening and closing state of the orifice when cut at X3, FIG. 7 is an explanatory diagram illustrating the setting state of the rotation angle of the rotary actuator for controlling the rotation angle of the embodiment of the present invention, and FIG. It is a perspective view which shows the stopping means of the conventional rotary actuator for rotation angle control. In the figure, 10...DC motor, 11...Small pulley, 12...Large pulley, 13...Output shaft, 14...Belt, 20...Lower housing, 2
1... Upper housing, 30... Solenoid, 3
8... Plunger stopper, 55... Stopper plate. In addition, in the figures, the same reference numerals and symbols indicate the same or equivalent parts.

Claims

[Scope of claims for utility model registration] (1) A small pulley attached to the motor shaft,
A large pulley that transmits left rotation and right rotation to the output shaft, a belt that transmits torque between the small pulley and the large pulley, and a stopper plate that is rotatably attached to the large pulley concentrically. , a projection disposed on the stopper plate; a plunger stopper disposed so as to be able to come into contact with the protrusion; and a plunger stopper disposed on the large pulley, the large pulley and the stopper plate being relative to each other; A rotary actuator for rotation angle control, which is equipped with a recessed part that can be rotated by a predetermined amount. (2) The rotary actuator for rotational angle control according to claim 1, wherein the large pulley is an output shaft connected to a suspension damping force or spring constant control rod. . (3) The rotary actuator for rotational angle control according to claim 1, wherein the small pulley, the large pulley, and the belt have a structure in which a large number of grooves and protrusions mesh with each other. Eta. (4) The rotary actuator for rotational angle control according to claim 1, wherein the belt is a rubber-based belt.