JPH0393268U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２
図は第１図の要部の拡大断面図、第３図は第２図
の要部の拡大断面図である。 １……ブレーキ倍力装置、２……シエル、２ａ
……筒状部、２ｂ……前端部、２ｃ……円錐部、
５……取付けボルト、６……マスターシリンダ、
７……サポートプレート、８……ハウジング、８
ａ……連結部、１５……環状溝（第１係合部）、
１６……第２係合部、１７……第３係合部、１５
ａ，１６ａ，１６ｂ，１７ａ……接触面。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an enlarged sectional view of the main part of FIG. 1, and FIG. 3 is an enlarged sectional view of the main part of FIG. 2. 1...Brake booster, 2...Ciel, 2a
... Cylindrical part, 2b... Front end part, 2c... Conical part,
5...Mounting bolt, 6...Master cylinder,
7...Support plate, 8...Housing, 8
a... Connecting portion, 15... Annular groove (first engaging portion),
16...Second engaging part, 17...Third engaging part, 15
a, 16a, 16b, 17a... contact surface.

Claims (1)

【実用新案登録請求の範囲】 軸方向に伸びる筒状部と、半径方向に伸びる前
端部と、上記筒状部と前端部とを連結する円錐部
とを備えるブレーキ倍力装置のシエルの上記前端
部に、複数本の取付けボルトを介してマスターシ
リンダを連結し、かつ上記前端部の内側にシエル
補強用のサポートプレートを設けたブレーキ装置
において、 上記マスターシリンダに半径方向内方に向いた
接触面を有する第１係合部を形成するとともに、
上記シエルに半径方向外方に向いた接触面と半径
方向内方に向いた接触面とを有する第２係合部を
形成して該第２係合部の半径方向外方に向いた接
触面を上記第１係合部の接触面に重合密着させ、
また上記サポートプレートに半径方向外方に向い
た接触面を有する第３係合部を形成して該第３係
合部の接触面を上記第２係合部の半径方向内方に
向いた接触面に重合密着させ、さらに上記各係合
部をそれぞれ上記取付けボルトよりも半径方向外
側位置に形成したことを特徴とするブレーキ装置
。[Claims for Utility Model Registration] The front end of a shell of a brake booster comprising a cylindrical part extending in the axial direction, a front end part extending in the radial direction, and a conical part connecting the cylindrical part and the front end part. A brake device in which a master cylinder is connected to the part via a plurality of mounting bolts, and a support plate for reinforcing the shell is provided inside the front end part, the contact surface facing radially inward to the master cylinder. While forming a first engaging portion having
forming a second engaging portion in the shell having a radially outwardly facing contact surface and a radially inwardly facing contact surface; the radially outwardly facing contact surface of the second engaging portion; is brought into close contact with the contact surface of the first engaging portion,
Further, a third engaging portion having a contact surface facing radially outward is formed on the support plate, and the contact surface of the third engaging portion is brought into contact with the second engaging portion facing radially inward. A brake device characterized in that the engaging portions are formed in a radially outer position than the mounting bolts.