JPS59178838U - Seal structure of pressure switch in hydraulic brake - Google Patents
Seal structure of pressure switch in hydraulic brakeInfo
- Publication number
- JPS59178838U JPS59178838U JP7399383U JP7399383U JPS59178838U JP S59178838 U JPS59178838 U JP S59178838U JP 7399383 U JP7399383 U JP 7399383U JP 7399383 U JP7399383 U JP 7399383U JP S59178838 U JPS59178838 U JP S59178838U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- piston rod
- fitted
- pressure switch
- spring seat
- 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.)
- Pending
Links
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のシール構造を備えた圧力スイッチの縦断
面図、第２図はこの考案のシール構造を備えた圧力スイ
ッチの一部を省略して示す縦断面図、第３図はこの考案
の異なる実施例を備えた圧力スイッチの縦断面図である
。
１・・・スイッチボディ、２・・・凹穴、４・・・摺動
孔、５・・・スフリングシート、８・・・ピストンロッ
ド、１９・・・大円孔、２０・・・小円孔、２２・・・
環状シールカップ、２３・・・ストッパーリング、２４
・・・シリンダ一孔、２５・・・ダストシール。Fig. 1 is a vertical sectional view of a pressure switch with a conventional seal structure, Fig. 2 is a longitudinal sectional view of a pressure switch with a seal structure of this invention, with some parts omitted, and Fig. 3 is a longitudinal sectional view of a pressure switch with a seal structure of this invention. FIG. 3 is a longitudinal sectional view of a pressure switch with different embodiments; 1... Switch body, 2... Recessed hole, 4... Sliding hole, 5... Spring seat, 8... Piston rod, 19... Large circular hole, 20... Small Circular hole, 22...
Annular seal cup, 23...stopper ring, 24
...Cylinder one hole, 25...Dust seal.
Claims (1)
嵌装用凹穴２の穴底にシリンダ一孔２４を設け、更に該
シリンダ一孔２４の孔底に摺動孔４を設け、スイッチボ
ディ１の他端面から摺動孔４と同軸に大円孔１９と小円
孔２０とを順次設け、摺動孔４にピストンロッド８を摺
動自在に嵌挿支承すると共にピストンロッド８の基端を
スプリングシート５に螺着し、シリンダ一孔２４に嵌合
したダストシール２５の内周をピストンロッド８に接触
させると共にスプリングシート５にシリンダ一孔２４内
に延び且つダストシール２５の背面側に接触する筒状部
２６を設け、小円孔２０に嵌装した環状シールカップ２
２の内周をピストンロッド８に接触させ、大円孔１９に
ストッパーリング２３を圧嵌してなる油圧ブレーキにお
ける圧力スイッチのシール構造。A cylinder hole 24 is provided at the bottom of the spring seat fitting concave hole 2 provided from one end surface of the switch body 1, and a sliding hole 4 is provided at the bottom of the cylinder hole 24. A large circular hole 19 and a small circular hole 20 are sequentially provided coaxially with the sliding hole 4, and the piston rod 8 is slidably inserted and supported in the sliding hole 4, and the base end of the piston rod 8 is supported by the spring seat 5. A cylindrical portion 26 is screwed onto the spring seat 5 to bring the inner periphery of the dust seal 25 fitted into the cylinder hole 24 into contact with the piston rod 8, and which extends into the cylinder hole 24 and contacts the back side of the dust seal 25. An annular seal cup 2 is provided and fitted into the small circular hole 20.
A sealing structure for a pressure switch in a hydraulic brake, in which the inner circumference of the piston rod 2 is brought into contact with the piston rod 8, and a stopper ring 23 is press-fitted into the large circular hole 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7399383U JPS59178838U (en) | 1983-05-17 | 1983-05-17 | Seal structure of pressure switch in hydraulic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7399383U JPS59178838U (en) | 1983-05-17 | 1983-05-17 | Seal structure of pressure switch in hydraulic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59178838U true JPS59178838U (en) | 1984-11-29 |
Family
ID=30204098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7399383U Pending JPS59178838U (en) | 1983-05-17 | 1983-05-17 | Seal structure of pressure switch in hydraulic brake |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59178838U (en) |
-
1983
- 1983-05-17 JP JP7399383U patent/JPS59178838U/en active Pending
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