JPH0341205U - - Google Patents
Info
- Publication number
- JPH0341205U JPH0341205U JP10211489U JP10211489U JPH0341205U JP H0341205 U JPH0341205 U JP H0341205U JP 10211489 U JP10211489 U JP 10211489U JP 10211489 U JP10211489 U JP 10211489U JP H0341205 U JPH0341205 U JP H0341205U
- Authority
- JP
- Japan
- Prior art keywords
- stroke
- cam
- vane
- adjustment screw
- rotary actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000872 buffer Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Actuator (AREA)
Description
第１図は本考案の実施例１であるロータリアク
チユエータを示す平面図、第２図は第１図の−
線断面図、第３図は第１図の−線断面図、
第４図ａ，ｂは受け部の揺動状態を示す断面図、
第５図は本考案の実施例２を示す断面図、第６図
は本考案の実施例３を示す断面図である。
１……アクチユエータ本体、２……揺動室、２
ａ……第１の揺動室、２ｂ……第２の揺動室、３
……ベーン軸、４……ベーン、５……ストツパ、
６……第１のエアポート、７……第２のエアポー
ト、８……ストローク調整機構、９……カム収納
板、１０……結合ねじ、１１……カム収納部、１
２……カム、１３……セツトねじ、１４……締結
ねじ、１５……ねじ支持板、１６……めねじ、１
７……調整ねじ、１８……ロツクナツト、１９…
…受け部、２０……受け面、２１……水平面、２
２……ストツパシール、２３……ベーンシール、
２４……緩衝部、２５……球部、２６……穴部、
２７……緩衝部収納部、２８……平面部、２９…
…軸揺動機構。
FIG. 1 is a plan view showing a rotary actuator according to a first embodiment of the present invention, and FIG. 2 is a plan view of the rotary actuator shown in FIG.
A line sectional view, Figure 3 is a - line sectional view of Figure 1,
FIGS. 4a and 4b are cross-sectional views showing the swinging state of the receiving part;
FIG. 5 is a sectional view showing a second embodiment of the present invention, and FIG. 6 is a sectional view showing a third embodiment of the present invention. 1... Actuator main body, 2... Rocking chamber, 2
a...First rocking chamber, 2b...Second rocking chamber, 3
... Vane shaft, 4 ... Vane, 5 ... Stopper,
6... First air port, 7... Second air port, 8... Stroke adjustment mechanism, 9... Cam storage plate, 10... Connection screw, 11... Cam storage section, 1
2... Cam, 13... Set screw, 14... Fastening screw, 15... Screw support plate, 16... Female thread, 1
7...adjustment screw, 18...lock nut, 19...
...Receiving part, 20...Receiving surface, 21...Horizontal surface, 2
2...Stotsupa seal, 23...Vane seal,
24... Buffer part, 25... Ball part, 26... Hole part,
27...buffer storage section, 28...plane part, 29...
...Axis swing mechanism.
Claims (1)
介してベーンを揺動自在に設けて流体圧によりベ
ーン軸を揺動させる軸揺動機構と、前記ベーン軸
の揺動ストロークを調整するストローク調整機構
とを備えたロータリアクチユエータであつて、前
記ストローク調整機構は、アクチユエータ本体外
に突出させたベーン軸にカムを固定し、このカム
をストローク始終端の位置で受けて揺動ストロー
クを調整する調整ねじをアクチユエータ本体に設
け、この調整ねじの先端部に受け部を球面を利用
して揺動自在に設け、この受け部に平面接触でカ
ムを受ける受け面を形成してなることを特徴とす
るロータリアクチユエータ。 ２ 前記受け部は、カムとの衝撃力を緩衝させる
緩衝部を備えていることを特徴とする請求項１記
載のロータリアクチユエータ。[Claims for Utility Model Registration] 1. A shaft swinging mechanism that swings a vane via a vane shaft in a swinging chamber in an actuator body and swings the vane shaft using fluid pressure; The rotary actuator is equipped with a stroke adjustment mechanism that adjusts the dynamic stroke, and the stroke adjustment mechanism fixes a cam to a vane shaft that projects outside the actuator body, and fixes the cam at the start and end positions of the stroke. An adjustment screw is provided on the actuator body to adjust the swing stroke by receiving the adjustment screw, and a receiving part is provided at the tip of the adjustment screw so that it can swing freely using a spherical surface. A rotary actuator characterized in that it is formed by forming. 2. The rotary actuator according to claim 1, wherein the receiving portion includes a buffer portion that buffers impact force with the cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10211489U JPH0747606Y2 (en) | 1989-08-31 | 1989-08-31 | Rotary actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10211489U JPH0747606Y2 (en) | 1989-08-31 | 1989-08-31 | Rotary actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0341205U true JPH0341205U (en) | 1991-04-19 |
| JPH0747606Y2 JPH0747606Y2 (en) | 1995-11-01 |
Family
ID=31651033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10211489U Expired - Lifetime JPH0747606Y2 (en) | 1989-08-31 | 1989-08-31 | Rotary actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747606Y2 (en) |
-
1989
- 1989-08-31 JP JP10211489U patent/JPH0747606Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747606Y2 (en) | 1995-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |