JPS63101306U - - Google Patents
Info
- Publication number
- JPS63101306U JPS63101306U JP19665886U JP19665886U JPS63101306U JP S63101306 U JPS63101306 U JP S63101306U JP 19665886 U JP19665886 U JP 19665886U JP 19665886 U JP19665886 U JP 19665886U JP S63101306 U JPS63101306 U JP S63101306U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- rod
- pressure chamber
- distance
- joint
- 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
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Actuator (AREA)
Description
第１図はこの考案の一実施例を示す負圧アクチ
ユエータの縦断面図、第２図は第１図のＡ―Ａ線
断面図、第３図乃至第５図は第１図の負圧アクチ
ユエータの動作状態説明縦断面図、第６図はこの
考案の他の実施例を示す第５図相当図、第７図は
継手の他の実施態様を示す縦断面図である。
１……ケーシング、５……第１ダイヤフラム、
６……第２ダイヤフラム、７……第１負圧室、８
……大気圧室、９……第２負圧室、１０……ロツ
ド、１３……継手、１４……スリーブ、１５……
蓋板、１６……耳片、１７……小ロツド、２４…
…第１ばね、２５……第２ばね、２６……負圧ア
クチユエータ、３０……継手、３１……小ロツド
、３２……長穴、３３……スリーブ、３４……ピ
ン。
Fig. 1 is a vertical cross-sectional view of a negative pressure actuator showing an embodiment of this invention, Fig. 2 is a cross-sectional view taken along line AA in Fig. 1, and Figs. 3 to 5 are the negative pressure actuator shown in Fig. 1. 6 is a view corresponding to FIG. 5 showing another embodiment of the invention, and FIG. 7 is a longitudinal sectional view showing another embodiment of the joint. 1... Casing, 5... First diaphragm,
6... Second diaphragm, 7... First negative pressure chamber, 8
...Atmospheric pressure chamber, 9...Second negative pressure chamber, 10...Rod, 13...Joint, 14...Sleeve, 15...
Lid plate, 16...Ear piece, 17...Small rod, 24...
...first spring, 25 ... second spring, 26 ... negative pressure actuator, 30 ... joint, 31 ... small rod, 32 ... oblong hole, 33 ... sleeve, 34 ... pin.
Claims (1)
１ダイヤフラムの反ロツド側に配置された第２ダ
イヤフラムとをケーシング内に並設して、前記両
ダイヤフラム間に第１負圧室を、前記第２ダイヤ
フラムの反ロツド側に第２負圧室を、前記第１ダ
イヤフラムのロツド側に大気圧室をそれぞれ形成
し、前記第１ダイヤフラムをロツド側に付勢する
第１ばねと、前記第２ダイヤフラムをロツド側に
付勢する第２ばねを設け、軸線方向に遊びを有す
る継手により前記第１ダイヤフラムと前記第２ダ
イヤフラムの中心部を連結し、前記第１ダイヤフ
ラムおよび前記第２ダイヤフラムをロツド側のス
トローク端に寄せた状態において、前記継手部に
該継手の圧縮方向に第１距離ｌ１の遊びを、引張
方向に第２距離ｌ２の遊びをそれぞれ設けるとと
もに、前記第１ダイヤフラムの全ストロークｌ３
を前記第１距離ｌ１より大とし、前記第２ダイヤ
フラムの全ストロークｌ４を前記第２距離ｌ２よ
り大としたことを特徴とする負圧アクチユエータ
。 A first diaphragm to which the rod is fixed and a second diaphragm arranged on the opposite side of the first diaphragm to the rod are arranged in parallel in a casing, and a first negative pressure chamber is formed between the two diaphragms, and a first negative pressure chamber is formed between the two diaphragms. A second negative pressure chamber is formed on the side opposite to the rod, and an atmospheric pressure chamber is formed on the rod side of the first diaphragm, and a first spring biases the first diaphragm toward the rod, and A second spring biasing the first diaphragm and the second diaphragm is connected to each other by a joint having play in the axial direction, and the first diaphragm and the second diaphragm are connected to the stroke end on the rod side. In the state in which the joint is brought closer to the position, the joint portion is provided with a play of a first distance l1 in the compression direction of the joint and a play of a second distance l2 in the tension direction, and the full stroke of the first diaphragm l3 is provided.
is larger than the first distance l1 , and the total stroke l4 of the second diaphragm is larger than the second distance l2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986196658U JPH0626724Y2 (en) | 1986-12-19 | 1986-12-19 | Negative pressure actuator coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986196658U JPH0626724Y2 (en) | 1986-12-19 | 1986-12-19 | Negative pressure actuator coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63101306U true JPS63101306U (en) | 1988-07-01 |
| JPH0626724Y2 JPH0626724Y2 (en) | 1994-07-20 |
Family
ID=31155680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986196658U Expired - Lifetime JPH0626724Y2 (en) | 1986-12-19 | 1986-12-19 | Negative pressure actuator coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626724Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035904U (en) * | 1983-08-20 | 1985-03-12 | 東邦ガス工業株式会社 | Negative pressure actuator |
| JPS60192105A (en) * | 1984-03-14 | 1985-09-30 | Aisin Seiki Co Ltd | Rectilinear-reciprocating actuator |
-
1986
- 1986-12-19 JP JP1986196658U patent/JPH0626724Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035904U (en) * | 1983-08-20 | 1985-03-12 | 東邦ガス工業株式会社 | Negative pressure actuator |
| JPS60192105A (en) * | 1984-03-14 | 1985-09-30 | Aisin Seiki Co Ltd | Rectilinear-reciprocating actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626724Y2 (en) | 1994-07-20 |
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