JPH02148865U - - Google Patents
Info
- Publication number
- JPH02148865U JPH02148865U JP5804489U JP5804489U JPH02148865U JP H02148865 U JPH02148865 U JP H02148865U JP 5804489 U JP5804489 U JP 5804489U JP 5804489 U JP5804489 U JP 5804489U JP H02148865 U JPH02148865 U JP H02148865U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical member
- outer periphery
- main body
- inner circumferential
- bead
- 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
- 239000011324 bead Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
は上記実施例におけるリング部材の平面図、第３
図は従来のダイヤフラムの取り付け構造を示す図
である。
１…本体、７…筒状部材、１２，２０…ダイヤ
フラム、１２Ａ…内周ビード部、１４，１６，２
４…プレート部材、１０…段部、１３…周溝、１
７…リング部材、１７Ａ…切断部。
Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is a plan view of the ring member in the above embodiment, and Fig. 3 is a sectional view showing an embodiment of the present invention.
The figure shows a conventional diaphragm mounting structure. DESCRIPTION OF SYMBOLS 1... Main body, 7... Cylindrical member, 12, 20... Diaphragm, 12A... Inner peripheral bead part, 14, 16, 2
4... Plate member, 10... Step portion, 13... Circumferential groove, 1
7...Ring member, 17A...Cutting part.
Claims (1)
れる可動体を有し、この可動体が、本体を貫通し
て外部に突出する筒状部材と、内部空間を横方向
に延び内周端部が筒状部材の外周に形成した段部
に係合するリング型プレート部材と、筒状部材の
外周に段部に隣接して形成した溝部に内周ビード
部を嵌着し本体側に外周ビード部を固定されプレ
ート部材に沿つて延びるダイヤフラムとを備え、
プレート部材の筒状部材への係合をダイヤフラム
の内周ビード部により維持するようにした負圧式
倍力装置において、前記溝部の前記段部とは反対
側の溝面と前記内周ビード部との間に、切断部に
より弾性変形で拡径可能なリング部材を配設した
負圧式倍力装置。 It has a movable body that is movably inserted into a main body forming an internal space, and this movable body has a cylindrical member that penetrates the main body and projects to the outside, and an inner circumferential end that extends laterally through the internal space. A ring-shaped plate member engages with a step formed on the outer periphery of the cylindrical member, and an inner bead part is fitted into a groove formed adjacent to the step on the outer periphery of the cylindrical member, and an outer periphery bead is attached to the main body side. a diaphragm having a fixed portion extending along the plate member;
In a negative pressure booster in which engagement of a plate member with a cylindrical member is maintained by an inner circumferential bead portion of a diaphragm, a groove surface of the groove portion on the opposite side from the step portion and the inner circumferential bead portion. A negative pressure type booster in which a ring member that can be elastically deformed and expanded in diameter by the cutting part is arranged between the parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5804489U JPH02148865U (en) | 1989-05-22 | 1989-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5804489U JPH02148865U (en) | 1989-05-22 | 1989-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02148865U true JPH02148865U (en) | 1990-12-18 |
Family
ID=31583296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5804489U Pending JPH02148865U (en) | 1989-05-22 | 1989-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02148865U (en) |
-
1989
- 1989-05-22 JP JP5804489U patent/JPH02148865U/ja active Pending