JPS60175919U - Automatic clearance adjustment device for drum brakes - Google Patents
Automatic clearance adjustment device for drum brakesInfo
- Publication number
- JPS60175919U JPS60175919U JP6308984U JP6308984U JPS60175919U JP S60175919 U JPS60175919 U JP S60175919U JP 6308984 U JP6308984 U JP 6308984U JP 6308984 U JP6308984 U JP 6308984U JP S60175919 U JPS60175919 U JP S60175919U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- adjustment device
- flange
- temperature
- adjuster
- 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図はスキマ自動調整装置を含むドラムブレーキの一
部を欠除した断面図、第２図はクラッチ部分の拡大説明
図、第３図は第２の実施例におけるクラッチ部分の拡大
説明図である。
１・・・ホイールシリンダー、２・・・固定案内子、５
・・・調整子、９・・・クラッチ、１０・・・ピストン
、１２・・・押圧基台、１５，２１・・・コイルスプリ
ング、１７・・・調整ボルト、１８・・・ブレーキシュ
ー、２０・・・ばね受台。Fig. 1 is a partially cutaway sectional view of a drum brake including an automatic clearance adjustment device, Fig. 2 is an enlarged explanatory view of the clutch portion, and Fig. 3 is an enlarged explanatory view of the clutch portion in the second embodiment. be. 1...Wheel cylinder, 2...Fixed guide, 5
... Adjuster, 9 ... Clutch, 10 ... Piston, 12 ... Pressing base, 15, 21 ... Coil spring, 17 ... Adjustment bolt, 18 ... Brake shoe, 20 ...Spring pedestal.
Claims (3)
ホイールシリンダー内のピストンの移動によって回転す
る調整子と、ピストンと一体に回動するクラッチとのラ
チェット噛合によってピストンを回転させ、ピストンに
螺子嵌合し、ブレーキシューと係合する調整ボルトを突
出してスキマを調整するスキマ調整装置において、調整
子５の噛合面と反対する端面を、感温材料を使用して、
ホイールシリンダー内の作動油温度の上昇によって押圧
力を喪失し、作動油温度の下降によって押圧力を回復す
る弾性体によって押圧して形成したことを特徴とするド
ラムブレーキにおけるスキマ自動調整装置。(1) In a drum brake, the adjuster rotates as the piston moves in the wheel cylinder for internal expansion of the brake shoe, and the clutch rotates together with the piston.The piston is rotated by ratchet engagement, and is screwed into the piston. In the gap adjustment device that adjusts the gap by protruding an adjustment bolt that engages with a brake shoe, the end surface opposite to the engagement surface of the adjuster 5 is made of a temperature-sensitive material,
An automatic clearance adjustment device for a drum brake, characterized in that it is formed by pressing with an elastic body that loses pressing force when the temperature of the hydraulic oil in a wheel cylinder increases and recovers the pressing force when the temperature of the hydraulic oil decreases.
ラッチ基台１１から突出する押圧基台１２の端面に固定
した円形板ばね１３と、該円形板ばね１３と調整子５の
リング端面間に、形状記憶金属で形成し温度上昇によっ
てコイル長を伸延して円形板ばね１３の押圧力をなくし
、温度の下降によって円形板ばね１３の押圧力が回復す
るコイルスプリング１５を設けて形成した実用新案登録
請求の範囲第１項記載のドラムブレーキにおけるスキマ
自動調整装置。(2) A circular leaf spring 13 having an elastic body fixed to the end face of the pressing base 12 protruding from the clutch base 11 formed on the inner end face of the piston 10, and between the circular leaf spring 13 and the ring end face of the adjuster 5. In addition, a coil spring 15 is formed of shape memory metal, and the coil length is extended as the temperature rises to eliminate the pressing force of the circular leaf spring 13, and the pressing force of the circular leaf spring 13 is restored as the temperature decreases. An automatic clearance adjustment device for a drum brake according to claim 1 of the patent registration claim.
クラッチ基台１１から突出する押圧基台１２の端面に固
定した、鍔付有底筒状に形成し、鍔部背面と筒状部外側
面に高膨張金属を設は鍔部表面と筒状部内側および底面
部に低膨張金属を設けたバイメタルで形成し、温度上昇
によって鍔部が調整子５から離れるように変形するばね
受台２０と該ばね受台２０と調整子５間にコイルスプリ
ング２１を設けて形成した実用新案登録請求の範囲第１
項記載のドラムブレーキにおけるスキマ自動調整装置。(3) The elastic body is formed into a cylindrical shape with a flange and a bottom, which is fixed to the end surface of the pressing base 12 protruding from the clutch base 11 formed on the inner end surface of the piston 10, and the elastic body is formed into a cylindrical shape with a bottom and a flange, and the back surface of the flange part and the outer surface of the cylindrical part. The spring holder 20 is formed of a bimetal with a low expansion metal provided on the surface of the flange, the inside of the cylindrical part, and the bottom, and the flange deforms away from the regulator 5 as the temperature rises. Utility model registration claim 1 formed by providing a coil spring 21 between the spring holder 20 and the adjuster 5
Automatic clearance adjustment device for drum brakes as described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6308984U JPS60175919U (en) | 1984-05-01 | 1984-05-01 | Automatic clearance adjustment device for drum brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6308984U JPS60175919U (en) | 1984-05-01 | 1984-05-01 | Automatic clearance adjustment device for drum brakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60175919U true JPS60175919U (en) | 1985-11-21 |
| JPH022988Y2 JPH022988Y2 (en) | 1990-01-24 |
Family
ID=30592913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6308984U Granted JPS60175919U (en) | 1984-05-01 | 1984-05-01 | Automatic clearance adjustment device for drum brakes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60175919U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53140673A (en) * | 1977-05-13 | 1978-12-07 | Iyoshige Tajima | Filtering means and filter layer |
| JPS5617432U (en) * | 1979-07-19 | 1981-02-16 | ||
| JPS5751831U (en) * | 1980-09-10 | 1982-03-25 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392851A (en) * | 1972-04-06 | 1975-04-30 | Beheer Bv Pfw | Mercapto alcohols and esters |
| JPS5531154A (en) * | 1978-08-28 | 1980-03-05 | Hitachi Ltd | Plasma etching apparatus |
-
1984
- 1984-05-01 JP JP6308984U patent/JPS60175919U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53140673A (en) * | 1977-05-13 | 1978-12-07 | Iyoshige Tajima | Filtering means and filter layer |
| JPS5617432U (en) * | 1979-07-19 | 1981-02-16 | ||
| JPS5751831U (en) * | 1980-09-10 | 1982-03-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH022988Y2 (en) | 1990-01-24 |
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