JPH0451857U - - Google Patents

Info

Publication number
JPH0451857U
JPH0451857U JP1990095431U JP9543190U JPH0451857U JP H0451857 U JPH0451857 U JP H0451857U JP 1990095431 U JP1990095431 U JP 1990095431U JP 9543190 U JP9543190 U JP 9543190U JP H0451857 U JPH0451857 U JP H0451857U
Authority
JP
Japan
Prior art keywords
piston
pressure chamber
annular seal
reservoir
lip piece
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
Application number
JP1990095431U
Other languages
Japanese (ja)
Other versions
JPH088930Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990095431U priority Critical patent/JPH088930Y2/en
Publication of JPH0451857U publication Critical patent/JPH0451857U/ja
Application granted granted Critical
Publication of JPH088930Y2 publication Critical patent/JPH088930Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Transmission Of Braking Force In Braking Systems (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Description

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

第１図〜第７図は本考案の一実施例を示すもの
であつて、第１図は本考案に係る流体アクチユエ
ータとしてマスタシリンダを示した断面図、第２
図は環状シールの断面図、第３図は環状シールの
内周部分の形状を示す側面図、第４図及び第５図
は環状シールの装着状態をそれぞれ示す要部拡大
断面図、第６図及び第７図はマスタシリンダの作
用を説明するための要部拡大断面、第８図〜第１
０図は従来のマスタシリンダを示すものであつて
、第８図はマスタシリンダの要部の断面図、第９
図はマスタシリンダの要部の拡大断面図、第１０
図は環状シールの装着状態を示す拡大断面図であ
る。 １０……マスタシリンダ、１６，１７……ピス
トン、１８，１９……圧力室、２３，２４……通
孔、２９，３０……環状シール、２９ａ，３０ｄ
……環状凹部、２９ｂ，３０ｂ……内側環状部、
２９ｃ，３０ｃ……フランジ部、２９ｄ，３０ｄ
……環状突出部、２９ｅ，３０ｅ……リツプ片部
、３１，３２……リツプ片。 1 to 7 show one embodiment of the present invention, in which FIG. 1 is a sectional view showing a master cylinder as a fluid actuator according to the present invention, and FIG.
The figure is a sectional view of the annular seal, FIG. 3 is a side view showing the shape of the inner peripheral part of the annular seal, FIGS. 4 and 5 are enlarged sectional views of main parts showing the attached state of the annular seal, and FIG. 6 7 is an enlarged cross-section of the main part for explaining the operation of the master cylinder, and FIGS. 8 to 1
Figure 0 shows a conventional master cylinder, Figure 8 is a cross-sectional view of the main parts of the master cylinder, and Figure 9
The figure is an enlarged sectional view of the main parts of the master cylinder.
The figure is an enlarged sectional view showing the state in which the annular seal is attached. 10... Master cylinder, 16, 17... Piston, 18, 19... Pressure chamber, 23, 24... Through hole, 29, 30... Annular seal, 29a, 30d
...Annular recessed part, 29b, 30b...Inner annular part,
29c, 30c...flange part, 29d, 30d
... Annular protrusion, 29e, 30e... Lip piece portion, 31, 32... Lip piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストンの周面に形成した通孔を介して圧力室
をリザーバに連通させ、上記ピストンを圧力室の
内方へ移動し、該ピストンの上記通孔が環状シー
ルを通過することによつて上記圧力室と上記リザ
ーバとの連通を断ち、さらに上記ピストンを上記
圧力室の内方へ移動することによつて上記圧力室
内の流体を被作動器へ圧送する流体アクチユエー
タにおいて、上記環状シールのピストン摺動面の
一端部分に環状突出部を形成すると共に、その他
端部分に上記ピストンの外周方向に沿つて延びる
リツプ片部を形成し、かつ、上記リツプ片部に流
通溝を設けたことを特徴とする流体アクチユエー
タ。 The pressure chamber is communicated with the reservoir through a through hole formed in the circumferential surface of the piston, the piston is moved inward of the pressure chamber, and the through hole of the piston passes through an annular seal, thereby reducing the pressure. In a fluid actuator that disconnects communication between a chamber and the reservoir and further moves the piston inward of the pressure chamber to forcefully feed fluid in the pressure chamber to an actuated device, the piston of the annular seal slides. An annular protrusion is formed at one end of the surface, a lip piece extending along the outer circumferential direction of the piston is formed at the other end, and a circulation groove is provided in the lip piece. Fluid actuator.
JP1990095431U 1990-09-11 1990-09-11 Fluid actuator Expired - Fee Related JPH088930Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990095431U JPH088930Y2 (en) 1990-09-11 1990-09-11 Fluid actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990095431U JPH088930Y2 (en) 1990-09-11 1990-09-11 Fluid actuator

Publications (2)

Publication Number Publication Date
JPH0451857U true JPH0451857U (en) 1992-04-30
JPH088930Y2 JPH088930Y2 (en) 1996-03-13

Family

ID=31834139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990095431U Expired - Fee Related JPH088930Y2 (en) 1990-09-11 1990-09-11 Fluid actuator

Country Status (1)

Country Link
JP (1) JPH088930Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011163377A (en) * 2010-02-05 2011-08-25 Nissin Kogyo Co Ltd Dust seal of disk brake for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011163377A (en) * 2010-02-05 2011-08-25 Nissin Kogyo Co Ltd Dust seal of disk brake for vehicle

Also Published As

Publication number Publication date
JPH088930Y2 (en) 1996-03-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees