JPS61200763U - - Google Patents

Description

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

第１図ａは本考案構成の一部分であるストツパ
の形状を示す斜視図、第１図ｂは本考案ストツパ
とフランジとの配置関係を示す正面図、第２図ａ
およびｂはそれぞれ本考案構成の他の部分である
ブーツの断面側面図および一部展開正面図、第３
図は本考案を実施したマスタシリンダの要部断面
側面図、第４図は従来マスタシリンダの断面側面
図である。 １……マスタシリンダ本体、１１……溝、２…
…シリンダ孔、２１……液圧室、３……ピストン
、４……プツシユロツド、５……ストツパ、５１
……延長部、６……ブーツ、６３……膨出部、７
……フランジ、Ｂ……車体。 Fig. 1a is a perspective view showing the shape of the stopper which is a part of the structure of the present invention, Fig. 1b is a front view showing the arrangement relationship between the stopper of the invention and the flange, Fig. 2a
and b are a cross-sectional side view and a partially exploded front view of the boot, which is another part of the configuration of the present invention, and the third
The figure is a cross-sectional side view of essential parts of a master cylinder embodying the present invention, and FIG. 4 is a cross-sectional side view of a conventional master cylinder. 1...Master cylinder body, 11...Groove, 2...
... Cylinder hole, 21 ... Hydraulic pressure chamber, 3 ... Piston, 4 ... Push rod, 5 ... Stopper, 51
...Extension part, 6...Boot, 63...Bulge part, 7
...Flange, B...Car body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端開口のシリンダ孔を形成したシリンダ本体
と、上記シリンダ孔に摺動自在に挿入して液圧室
を区画するピストンと、当該ピストンの一端に当
接可能に配設されペダルに連結されるプツシユロ
ツドと、当該プツシユロツドが貫通する孔を有す
るとともにシリンダ孔の開口端側に配置される略
コツプ状のストツパと、当該ストツパに一端を支
持され他端がプツシユロツドに摺動自在に外嵌す
るブーツと、上記シリンダ本体の外部に設けられ
た車体への取付け用フランジとを有するマスタシ
リンダにおいて、上記ストツパには車体とフラン
ジとの間に挟圧可能な端部を具えた延長部を設け
、上記ブーツの周縁にはストツパと係合するとと
もにシリンダ本体の外周に形成した溝と係合可能
な膨出部を設けてなるマスタシリンダ。 A cylinder body having a cylinder hole with one end open, a piston that is slidably inserted into the cylinder hole to define a hydraulic chamber, and a push rod that is arranged so as to be able to come into contact with one end of the piston and is connected to a pedal. a substantially cup-shaped stopper having a hole through which the push rod passes and is disposed on the open end side of the cylinder hole; a boot having one end supported by the stopper and the other end slidably fitting onto the push rod; In the master cylinder having a flange for attachment to the vehicle body provided outside the cylinder body, the stopper is provided with an extension portion having an end that can be squeezed between the vehicle body and the flange, and the stopper is provided with an extension portion having an end that can be squeezed between the vehicle body and the flange, A master cylinder that is provided with a bulge on its peripheral edge that engages with a stopper and can also engage with a groove formed on the outer periphery of the cylinder body.