JPS5887661U

JPS5887661U - vacuum booster

Info

Publication number: JPS5887661U
Application number: JP18388381U
Authority: JP
Inventors: 薫坪内; 千秋落合
Original assignee: アイシン精機株式会社
Priority date: 1981-12-10
Filing date: 1981-12-10
Publication date: 1983-06-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す真空倍力装置の１部断面
側面図、第２図及び第３図は第１図における要部の詳細
側断面図、第４図は第２図のＡ矢視図、第５図は第４図
のＢ矢視図、第６図はリヤ側シェルと）叱／ト側シェル
の結合部の斜視図である。図の主要部分の説明、１・・・真空倍力装置、２・・・
フロント側シェル、３・・・リヤ側シェル、４・・・開
口縁部、５・・・隔壁、６・・・折曲部、６ａ・・・外
方側面、７・・・ダイヤフラム、８・・ゼード部、１０
・・・ふくらみ部、１１・・・底部、１２・・・逃げ孔
、１３・・・爪、１４・・・カシメ部、１５・・・突出
部側縁。Fig. 1 is a partially sectional side view of a vacuum booster showing an embodiment of the present invention, Figs. 2 and 3 are detailed side sectional views of the main parts in Fig. 1, and Fig. 4 is a side view of a vacuum booster according to an embodiment of the present invention. FIG. 5 is a view taken from arrow B in FIG. 4, and FIG. 6 is a perspective view of a connecting portion between the rear side shell and the front/back side shell. Explanation of the main parts of the diagram, 1... Vacuum booster, 2...
Front side shell, 3... Rear side shell, 4... Opening edge, 5... Partition wall, 6... Bent part, 6a... Outer side surface, 7... Diaphragm, 8...・Zade Club, 10
. . . Swelling portion, 11 . . . Bottom portion, 12 .

Claims

[Scope of utility model registration request]

Insert the opening edge of the other shell into the opening edge of either the front side shell or the rear side shell, and connect the partition wall attached to the one shell and the opening edge of the other side shell outward. In a vacuum booster, a bead portion of a diaphragm is sandwiched between a bent portion formed by bending at right angles to a diaphragm, and the bead portion is sandwiched by connecting a shell on one side and a shell on the other side, A plurality of outwardly expanding bulges are provided on the periphery of the opening edge of the one shell, and an escape hole is formed in the periphery adjacent to the bottom of the bulge, and the other shell is bent into the escape hole. A number of caulked portions are formed at the peripheral edge of the opening of the one shell between the plurality of bulges, and a side edge of the inward protrusion of the caulked portion is inserted. A vacuum booster, characterized in that the vacuum booster is in contact with an outer side surface of a bent portion of the other side shell.