JPH01124373U - - Google Patents
Info
- Publication number
- JPH01124373U JPH01124373U JP1928388U JP1928388U JPH01124373U JP H01124373 U JPH01124373 U JP H01124373U JP 1928388 U JP1928388 U JP 1928388U JP 1928388 U JP1928388 U JP 1928388U JP H01124373 U JPH01124373 U JP H01124373U
- Authority
- JP
- Japan
- Prior art keywords
- case member
- pressure chamber
- diaphragm
- case
- caulking
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Actuator (AREA)
Description
第１図はこの考案の一実施例によるダイアフラ
ム装置を示す断面図、第２図はこの考案の他の実
施例を示す断面図、第３図は従来装置を示す断面
図である。
図において２はケース、２ａは第１のケース部
材、２ｂは第２のケース部材、２ｃは第３のケー
ス部材、３は大気圧室、４は進角ダイアフラム、
６は進角側負圧室、９は遅角側負圧室、１８は遅
角ダイアフラムである。なお、図中、同一符号は
同一、または相当部分を示す。
FIG. 1 is a sectional view showing a diaphragm device according to one embodiment of this invention, FIG. 2 is a sectional view showing another embodiment of this invention, and FIG. 3 is a sectional view showing a conventional device. In the figure, 2 is a case, 2a is a first case member, 2b is a second case member, 2c is a third case member, 3 is an atmospheric pressure chamber, 4 is an advance diaphragm,
6 is an advance side negative pressure chamber, 9 is a retard side negative pressure chamber, and 18 is a retard diaphragm. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
アフラムを備え、上記ケース内部に進角側負圧室
、大気圧室及び遅角側負圧室を形成してなるダイ
アフラム装置において、上記ケースを、上記進角
ダイアフラムと共同して進角側負圧室を形成する
第１のケース部材と、上記遅角ダイアフラムと共
同して遅角側負圧室を形成する第２のケース部材
と、一端部は上記第１のケース部材とカシメによ
つて一体的に固定され、他端部は上記第２のケー
ス部材とカシメによつて一体的に固定され、上記
進角ダイアフラム及び遅角ダイアフラムと共同し
て大気圧室を形成する板金によつて加工された第
３のケース部材とからなることを特徴とするダイ
アフラム装置。 In a diaphragm device comprising an advance diaphragm and a retard diaphragm inside a case, and an advance side negative pressure chamber, an atmospheric pressure chamber, and a retard side negative pressure chamber formed inside the case, the case is a first case member that forms an advance side negative pressure chamber in cooperation with the advance diaphragm; a second case member that forms a retard side negative pressure chamber in cooperation with the retard diaphragm; The first case member is integrally fixed by caulking, the other end is integrally fixed to the second case member by caulking, and the other end is integrally fixed to the first case member by caulking, and the other end is integrally fixed to the first case member by caulking. A diaphragm device comprising: a third case member processed from a sheet metal forming an atmospheric pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1928388U JPH01124373U (en) | 1988-02-18 | 1988-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1928388U JPH01124373U (en) | 1988-02-18 | 1988-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124373U true JPH01124373U (en) | 1989-08-24 |
Family
ID=31234655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1928388U Pending JPH01124373U (en) | 1988-02-18 | 1988-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124373U (en) |
-
1988
- 1988-02-18 JP JP1928388U patent/JPH01124373U/ja active Pending