JPS6024949U - Automatic braking gap adjustment device for hydraulically operated brakes - Google Patents
Automatic braking gap adjustment device for hydraulically operated brakesInfo
- Publication number
- JPS6024949U JPS6024949U JP11680483U JP11680483U JPS6024949U JP S6024949 U JPS6024949 U JP S6024949U JP 11680483 U JP11680483 U JP 11680483U JP 11680483 U JP11680483 U JP 11680483U JP S6024949 U JPS6024949 U JP S6024949U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- adjustment
- braking gap
- adjustment nut
- hydraulically operated
- 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
Landscapes
- Braking Arrangements (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図は本考案の一実施例である液圧作動式ブレーキに
おける制動間隙自動調整装置を用いたドラムブレーキの
要部断面正面図、第2図は第1図の制動間隙自動調整装
置部分の分解斜視図である。
1はホイールシリンダ、3はシリンダ本体、4は液圧室
、5はピストン、10は鍔部、leaは連通孔、11は
カップ室、12はアジャストナツト、12bはテーパ付
凹部、13はスプリングリテーナ、14はアジャストボ
ルト、Aは制動間隙自動調整装置である。Fig. 1 is a cross-sectional front view of the main parts of a drum brake using an automatic braking gap adjustment device in a hydraulically operated brake, which is an embodiment of the present invention, and Fig. 2 is a partial front view of the automatic braking gap adjustment device in Fig. 1. It is an exploded perspective view. 1 is a wheel cylinder, 3 is a cylinder body, 4 is a hydraulic chamber, 5 is a piston, 10 is a flange, lea is a communication hole, 11 is a cup chamber, 12 is an adjustment nut, 12b is a tapered recess, 13 is a spring retainer , 14 is an adjustment bolt, and A is an automatic braking gap adjustment device.
Claims (1)
とにより画成された液圧室に、多条ねじ螺合したアジャ
ストナツトとアジャストボルトとを配置し、このアジャ
ストボルトのクラッチ面を前記対向部のクラッチ面に当
接し、一方前記アジャストナヅトを前記ピストンに保持
せしめ所定値以上の制動間隙が生じたとき、アジャスト
ボルトを螺動してピストンを前進せしめる液圧作動式ブ
レーキにおける制動間隙自動調整装置において、前記ピ
ストンのカップ室を画成する鍔部に液圧室とカップ室と
を連通ずる複数の連通孔を穿設し、前記アジャストナツ
トのフランジ部に、該アジャストナツトのピストンとの
当接面に形成された凹部とを連通ずる係止孔を適数個穿
設し、スプリングリテーナのリング状基部にアジャスト
ナツトの前記係止孔に係合する係止爪を荊成すると共に
リング状基部外周部にU字状に折曲して弾発力を有する
スプリング脚部を形成し、スプリングリテーナの前記係
止爪をアジャストナツトの係止爪に、且つ前記スプリン
グ脚部の先端をピストンの前記連通孔にそれぞれ係合し
たことを特徴とする液圧作動式ブレーキにおける制動間
隙自動調整装置。An adjustment nut and an adjustment bolt screwed together with a multi-thread screw are arranged in a hydraulic pressure chamber defined by a piston slidably inserted into a cylinder and its opposing part, and the clutch surface of this adjustment bolt is A braking gap in a hydraulically operated brake that abuts against the clutch surface of the opposing part and holds the adjusting bolt on the piston, and when a braking gap of more than a predetermined value occurs, the adjusting bolt is screwed to advance the piston. In the automatic adjustment device, a plurality of communication holes for communicating the hydraulic pressure chamber and the cup chamber are formed in a flange portion defining a cup chamber of the piston, and a flange portion of the adjustment nut is provided with a plurality of communication holes that communicate with the piston of the adjustment nut. An appropriate number of locking holes are formed in the ring-shaped base of the spring retainer to communicate with the recesses formed in the abutting surface of the spring retainer, and locking claws that engage with the locking holes of the adjustment nut are formed in the ring-shaped base of the spring retainer. A spring leg having elastic force is formed by bending into a U-shape on the outer periphery of the ring-shaped base, and the locking pawl of the spring retainer is used as the locking pawl of the adjustment nut, and the tip of the spring leg is An automatic braking gap adjustment device for a hydraulically operated brake, characterized in that the device engages with the communication holes of a piston.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11680483U JPS6024949U (en) | 1983-07-27 | 1983-07-27 | Automatic braking gap adjustment device for hydraulically operated brakes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11680483U JPS6024949U (en) | 1983-07-27 | 1983-07-27 | Automatic braking gap adjustment device for hydraulically operated brakes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6024949U true JPS6024949U (en) | 1985-02-20 |
JPS6221798Y2 JPS6221798Y2 (en) | 1987-06-03 |
Family
ID=30269121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11680483U Granted JPS6024949U (en) | 1983-07-27 | 1983-07-27 | Automatic braking gap adjustment device for hydraulically operated brakes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6024949U (en) |
-
1983
- 1983-07-27 JP JP11680483U patent/JPS6024949U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6221798Y2 (en) | 1987-06-03 |
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