JPH041068U

JPH041068U -

Info

Publication number: JPH041068U
Application number: JP4196490U
Authority: JP
Priority date: 1990-04-19
Filing date: 1990-04-19
Publication date: 1992-01-07
Anticipated expiration: 2005-04-19
Also published as: JPH082007Y2

Description

[Brief explanation of the drawing]

第１図ないし第３図は本考案の第１実施例を示
すもので、第１図は本考案の油溜装置を備えたタ
ンデム型マスタシリンダの縦断側面図、第２図は
第１図の−線断面図、第３図は第１図の矢
視図、第４図及び第５図は本考案の第２及び第３
実施例をそれぞれ示す、第２図と同様の断面図で
ある。Ｍ……マスタシリンダ、１……シリンダ本体、
２……シリンダ孔、３_１，３……前、後部ピスト
ン、４_１，４_２……前、後部油圧室、６……補助
油溜、７……覆蓋、７ａ……天井壁、９……主油
溜、１０……導管、１２……隔壁、１４_１，１４
_２……前、後部リリーフポート、１８……そらせ
板。 1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a longitudinal cross-sectional side view of a tandem type master cylinder equipped with an oil sump device of the present invention, and FIG. - Line sectional view, Figure 3 is a view taken in the direction of the arrow in Figure 1, Figures 4 and 5 are the second and third views of the present invention.
FIG. 2 is a cross-sectional view similar to FIG. 2, each showing an embodiment; M...Master cylinder, 1...Cylinder body,
2... Cylinder hole, 3 ₁ , 3... Front, rear piston, 4 ₁ , 4 ₂ ... Front, rear hydraulic chamber, 6... Auxiliary oil reservoir, 7... Cover, 7a... Ceiling wall, 9... ...Main oil sump, 10... Conduit, 12... Partition wall, 14 ₁ , 14
₂ ...Front and rear relief ports, 18...Deflection plate.

Claims

[Claims for Utility Model Registration] An auxiliary oil sump 6 communicating with the main oil sump 9 is formed on the upper side of the cylinder body 1, and the inside thereof is connected to the front hydraulic chamber ₄₁ in the cylinder body 1. A first oil reservoir chamber ₁₃₁ communicates with the rear hydraulic chamber ₄₂ of the cylinder body 1 through the front relief port 141, and a second oil reservoir chamber ₁₃₂ communicates with the rear hydraulic chamber ₄₂ of the cylinder body 1 through the rear relief port ₁₄₂ . An oil sump chamber 13 is provided with a dividing wall 12 and has a relief port ₁₄₁ directly opened in the bottom wall.
A _ceiling wall 7a is disposed above the relief port ₁₄₁ and the partition wall 12 from the ceiling wall 7a.
In a tandem master cylinder oil sump device in which a deflector plate 18 interposed between the main oil sump and the auxiliary oil sump 6 is suspended, the ceiling wall 7a is tilted upward toward the communication portion between the main oil sump 9 and the auxiliary oil sump 6, and An oil sump device for a tandem master cylinder, characterized in that the deflecting plate 18 is formed such that at least one end of the connecting portion of the plate 18 with the ceiling wall 7a faces the higher side of the ceiling wall 7a. In the item described in item 1, the deflecting plate 18 is arranged such that both ends of the connecting portion are connected to the ceiling wall 7.
Tandem type Masita cylinder oil sump device with an arcuate cross-sectional shape facing the high side of a. In the item described in item 1, the deflecting plate 18 is arranged such that both ends of the connecting portion are connected to the ceiling wall 7.
A tandem master cylinder oil sump device with a V-shaped cross section facing the high side of a. In the item described in item 1, the deflecting plate 18 is arranged such that one end of the connecting portion is connected to the ceiling wall 7.
An oil sump device for a tandem master cylinder formed into a flat plate shape with one end facing the high side of a and the other end facing the low side.