JPH0460765U

JPH0460765U -

Info

Publication number: JPH0460765U
Application number: JP10423290U
Authority: JP
Priority date: 1990-10-03
Filing date: 1990-10-03
Publication date: 1992-05-25
Anticipated expiration: 2005-10-03
Also published as: JPH082003Y2

Description

[Brief explanation of the drawing]

図面は、本考案の一実施例を示すもので、第１
図は自動車用二系統式油圧制動装置の平面図、第
２図、第３図及び第４図は第１図の−線、
−線及び−線拡大断面図、第５図は第３図
の−線断面図である。Ｂｆｌ……左前輪ブレーキ、Ｂｆｒ……右前輪
ブレーキ、Ｂｒｌ……左後輪ブレーキ、Ｂｒｒ…
…右後輪ブレーキ、１……ブースタ、２……マス
タシリンダ、３_１〜３_６……第１〜第６接続ボス
、５_１〜５_４……油圧導管、６……後輪制動油圧
制御装置、１０……シリンダ本体、１１_１，１１
_２……第１、第２油圧室、１３_１，１３_２……第
１、第２出力ポート、３１……ハウジング、３３
_１，３３_２……耳部、３４……ユニオンボルト、
３７_１，３７_２……第１、第２流入ポート、４４
_１〜４４_４……第１、第２入力油圧室、４５_１，
４５_２……第１、第２出力油圧室、４６_１，４６
_２……第１〜第４流出ポート、５７，５８……フ
レヤボルト、５９……保護壁。 The drawings show one embodiment of the present invention.
The figure is a plan view of a dual-system hydraulic braking system for automobiles; Figures 2, 3, and 4 are - lines in Figure 1;
- line and - line enlarged sectional view, FIG. 5 is a - line sectional view of FIG. Bfl...Left front wheel brake, Bfr...Right front wheel brake, Brl...Left rear wheel brake, Brr...
... Right rear wheel brake, 1 ... Booster, 2 ... Master cylinder, 3 ₁ to 3 ₆ ... 1st to 6th connection boss, 5 ₁ to 5 ₄ ... Hydraulic conduit, 6 ... Rear wheel brake hydraulic pressure control Device, 10...Cylinder body, 11 ₁ , 11
₂ ...First and second hydraulic chambers, 13 ₁ , 13 ₂ ...First and second output ports, 31...Housing, 33
₁ , 33 ₂ ... ear part, 34 ... union bolt,
37 ₁ , 37 ₂ ...first and second inflow ports, 44
₁ to 44 ₄ ...first and second input hydraulic chambers, 45 ₁ ,
45 ₂ ...First and second output hydraulic chambers, 46 ₁ , 46
₂ ...First to fourth outflow ports, 57, 58...Flare bolt, 59...Protection wall.

Claims

[Claims for Utility Model Registration] A pair of front and rear pistons 12 ₁ , 12 ₂ defining mutually independent first and second hydraulic chambers 11 ₁ , 11 ₂ are accommodated in the cylinder body 10 of the master cylinder 2, and The first and second hydraulic chambers 11 ₁ and 11 ₂ are arranged on one side of the cylinder body 10 .
a first and a second having output ports 13 ₁ , 13 ₂ ;
Connection bosses 3 ₁ , 3 ₂ are provided protrudingly, and these connection bosses 3
₁ , 3 ₂ , a pair of ears 33 ₁ , 33 ₂ protruding from one side of the housing 31 of the rear wheel brake hydraulic pressure control device 6 that controls the input hydraulic pressure and outputs it to the left and right rear wheel brakes Brl, Brr. They are fixed by union bolts 34, and the output hydraulic pressure from the first and second output ports ₁₃₁ , ₁₃₂ is connected to the ears ₃₃₁ , ₃₃₂ to the first and second inputs of the rear wheel braking hydraulic pressure control device 6. In a two-system hydraulic braking system for an automobile, which is provided with first and second inflow ports 37 ₁ , 37 ₂ that are introduced into hydraulic chambers 44 ₁ , 44 ₂ , the retraction limit of the front piston 12 ₁ of the master cylinder 2 is set. A protective wall 59 is integrally molded into the housing 31 of the rear wheel brake hydraulic control device 6 in close proximity to and covering the head of the stop bolt ₁₄₁ screwed onto the side wall of the cylinder body 10 for regulation. , dual-system hydraulic braking system for automobiles.