JPH0376759U - - Google Patents
Info
- Publication number
- JPH0376759U JPH0376759U JP13788389U JP13788389U JPH0376759U JP H0376759 U JPH0376759 U JP H0376759U JP 13788389 U JP13788389 U JP 13788389U JP 13788389 U JP13788389 U JP 13788389U JP H0376759 U JPH0376759 U JP H0376759U
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- hole
- wall surface
- seal assembly
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 2
- 101150071927 AANAT gene Proteins 0.000 description 1
Landscapes
- Transmission Of Braking Force In Braking Systems (AREA)
Description
第１図は本考案に係るマスタシリンダを示した
縦断面図、第２図はその要部拡大断面図、第３図
および第４図は従来のマスタシリンダを示した縦
断面図である。
２０……マスタシリンダ、２１……シリンダ本
体、２１ａ……係止段部、２２……シリンダ、２
３……プライマリピストン、２５……第１圧力室
、２７……送出口、２９……孔、３０……シール
アツセンブリ、３１……ピストンガイド、３２…
…スペーサ、３２ａ……端面中間部、３３……シ
ール部材、３３ａ……外周部、３３ｂ……内周部
、３３ｃ……端面中間部、３４……スクイーズパ
ツキン、３５……リツプパツキン、３５ａ……リ
ツプ部、３６……環状凹部、３７……環状凸部、
３８……壁面、３９……スナツプリング、４０…
…油室、４１……補給液路、４２……フランジ、
４３……カツプパツキン、４４……連通路、５２
……ポート、５４……リターンスプリング、５６
……倍力装置、５７……出力ロツド。
FIG. 1 is a vertical cross-sectional view showing a master cylinder according to the present invention, FIG. 2 is an enlarged cross-sectional view of the main part thereof, and FIGS. 3 and 4 are vertical cross-sectional views showing a conventional master cylinder. 20... Master cylinder, 21... Cylinder body, 21a... Locking step portion, 22... Cylinder, 2
3... Primary piston, 25... First pressure chamber, 27... Outlet port, 29... Hole, 30... Seal assembly, 31... Piston guide, 32...
... Spacer, 32a ... Middle part of end surface, 33 ... Seal member, 33a ... Outer peripheral part, 33b ... Inner peripheral part, 33c ... Middle part of end face, 34 ... Squeeze packing, 35 ... Lip packing, 35a ... Lip portion, 36... annular recess, 37... annular protrusion,
38...Wall surface, 39...Snat spring, 40...
...Oil chamber, 41...Replenishment liquid path, 42...Flange,
43...Katsupupatsukin, 44...Communication path, 52
... Port, 54 ... Return spring, 56
... Booster, 57... Output rod.
Claims (1)
ストン摺動用シリンダよりも大径の孔を形成し、
該孔内に、該孔と上記ピストン摺動用シリンダと
の境界に形成される壁面から間隔を保つてシール
アツセンブリを配設して、該シールアツセンブリ
と上記壁面との間に液室を形成するとともに、タ
ンクに連通する補給液路を該液室に開口させたマ
スタシリンダにおいて、上記シールアツセンブリ
は、上記シリンダ本体端部の開口側に配装される
ピストンガイドと、上記壁面側に配装されるスペ
ーサと、該スペーサと上記ピストンガイドとの間
に介装され、外周面でスクイーズパツキンを形成
し、内周面にリツプパツキンを形成するシール部
材とによつて構成され、さらに該シール部材の上
記スペーサ側端面の半径方向中間部に環状の凹部
を形成するとともに、上記スペーサの上記シール
部材側端面の半径方向中間部に環状の凸部を形成
し、該凸部を上記シール部材の凹部に圧入させた
ことを特徴とするマスタシリンダ。 forming a hole at the end of the cylinder body that opens at the end and has a larger diameter than the piston sliding cylinder;
A seal assembly is disposed within the hole at a distance from a wall surface formed at the boundary between the hole and the piston sliding cylinder, and a liquid chamber is formed between the seal assembly and the wall surface. In addition, in the master cylinder in which a replenishment liquid path communicating with the tank is opened in the liquid chamber, the seal assembly includes a piston guide disposed on the opening side of the end of the cylinder body, and a piston guide disposed on the wall surface side. A sealing member interposed between the spacer and the piston guide and forming a squeeze packing on an outer circumferential surface and a lip packing on an inner circumferential surface; An annular recess is formed in the radially intermediate portion of the spacer side end surface of the spacer, and an annular convex portion is formed in the radially intermediate portion of the seal member side end surface of the spacer, and the convex portion is connected to the concave portion of the seal member. A master cylinder characterized by being press-fitted into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13788389U JPH061498Y2 (en) | 1989-11-28 | 1989-11-28 | Master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13788389U JPH061498Y2 (en) | 1989-11-28 | 1989-11-28 | Master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0376759U true JPH0376759U (en) | 1991-07-31 |
| JPH061498Y2 JPH061498Y2 (en) | 1994-01-12 |
Family
ID=31685017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13788389U Expired - Lifetime JPH061498Y2 (en) | 1989-11-28 | 1989-11-28 | Master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061498Y2 (en) |
-
1989
- 1989-11-28 JP JP13788389U patent/JPH061498Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061498Y2 (en) | 1994-01-12 |
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