JPS62166337U - - Google Patents
Info
- Publication number
- JPS62166337U JPS62166337U JP5410386U JP5410386U JPS62166337U JP S62166337 U JPS62166337 U JP S62166337U JP 5410386 U JP5410386 U JP 5410386U JP 5410386 U JP5410386 U JP 5410386U JP S62166337 U JPS62166337 U JP S62166337U
- Authority
- JP
- Japan
- Prior art keywords
- adjustment
- piston
- cylinder body
- wheel
- stroke
- 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
- 210000000078 claw Anatomy 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Braking Arrangements (AREA)
Description
第1図は第3図における一方のホイールシリン
ダおよびシユー間隙自動調節装置を拡大して示す
図である。第2図は第1図における紙面と直角な
方向の断面図であつて、アジヤストレバー等を所
定角度回転して示す図である。第3図は本考案が
適用されたシユー間隙自動調節装置を備えたドラ
ムブレーキの要部を示す正面図である。第4図は
本考案の他の適用例の要部を示す図であつて、第
1図に対応する図である。第5図は第4図におけ
るシユー間隙自動調節装置の作用効果を従来との
比較において示す概念図である。
12,14:ブレーキシユー、28:シリンダ
本体、34:ピストン、36,82:外周歯、3
8,80:アジヤストホイール、42,74:調
節ボルト、48:板状部材、52,76:アジヤ
ストレバー、58:引張コイルスプリング、60
,78:係合爪、64,86:傾斜部。
FIG. 1 is an enlarged view showing one of the wheel cylinders and the automatic shoe gap adjustment device in FIG. 3. FIG. FIG. 2 is a sectional view taken in a direction perpendicular to the plane of the paper in FIG. 1, and shows the adjustment lever etc. rotated by a predetermined angle. FIG. 3 is a front view showing the main parts of a drum brake equipped with an automatic shoe gap adjustment device to which the present invention is applied. FIG. 4 is a diagram showing the main parts of another application example of the present invention, and corresponds to FIG. 1. FIG. 5 is a conceptual diagram showing the effects of the automatic shoe gap adjustment device shown in FIG. 4 in comparison with the conventional system. 12, 14: Brake shoe, 28: Cylinder body, 34: Piston, 36, 82: Outer tooth, 3
8, 80: Adjustment wheel, 42, 74: Adjustment bolt, 48: Plate member, 52, 76: Adjustment lever, 58: Tension coil spring, 60
, 78: engaging claw, 64, 86: inclined portion.
Claims (1)
されたピストンに軸心まわりの回転可能に設けら
れたアジヤストホイールと、該アジヤストホイー
ルに軸心方向の相対移動可能に螺合され、前記ピ
ストンの推力をブレーキシユーに伝達する調節ボ
ルトと、前記アジヤストホイールの外周歯と係合
する係合爪を先端部に有し、基端部において前記
シリンダ本体に回動可能に取り付けられたアジヤ
ストレバーと、該アジヤストレバーを前記ピスト
ンの前進後退に伴つて往復回動させる連結装置と
を備え、前記ピストンの前進ストロークあるいは
後退ストロークが予め定められた値を超えたとき
に前記係合爪が新たな外周歯と係合させられ、そ
の後の後退ストロークあるいは前進ストロークで
前記アジヤストホイールがシユー間隙減少方向へ
回転させられる型式のドラムブレーキ用シユー間
隙自動調節装置において、 前記アジヤストレバーの係合爪の一部であつて
、前記ピストンが予め定められた一定の前進スト
ロークを超えて突き出されたとき前記アジヤスト
ホイールと係合する部分に、該ピストン後退時の
アジヤストレバー回動方向へ曲がる傾斜部を設け
たことを特徴とするドラムブレーキ用シユー間隙
自動調節装置。[Claims for Utility Model Registration] An adjustment wheel that has outer peripheral teeth and is rotatably installed around an axis on a piston that is slidably fitted into a cylinder body; an adjustment bolt that is screwed together so as to be relatively movable and that transmits the thrust of the piston to the brake shoe; and an engaging pawl that engages with the outer teeth of the adjustment wheel at the distal end; The cylinder body includes an adjustment lever rotatably attached to the cylinder body, and a connecting device that rotates the adjustment lever back and forth as the piston moves forward and backward, and the forward stroke or backward stroke of the piston is determined in advance. A show gap for a drum brake of the type in which the engaging pawl is engaged with a new outer peripheral tooth when the value exceeds the above value, and the adjusting wheel is rotated in the direction of decreasing the show gap in the subsequent backward stroke or forward stroke. In the automatic adjustment device, a part of the engagement claw of the adjustment lever that engages with the adjustment wheel when the piston is protruded beyond a predetermined constant forward stroke is provided. An automatic shoe gap adjustment device for a drum brake, characterized by being provided with an inclined part that bends in the direction of rotation of the adjustment lever when the piston retreats.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5410386U JPH0247783Y2 (en) | 1986-04-10 | 1986-04-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5410386U JPH0247783Y2 (en) | 1986-04-10 | 1986-04-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62166337U true JPS62166337U (en) | 1987-10-22 |
JPH0247783Y2 JPH0247783Y2 (en) | 1990-12-14 |
Family
ID=30880783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5410386U Expired JPH0247783Y2 (en) | 1986-04-10 | 1986-04-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0247783Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4672130B2 (en) * | 2000-11-16 | 2011-04-20 | 豊生ブレーキ工業株式会社 | Drum brake with automatic shoe clearance adjustment mechanism |
-
1986
- 1986-04-10 JP JP5410386U patent/JPH0247783Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4672130B2 (en) * | 2000-11-16 | 2011-04-20 | 豊生ブレーキ工業株式会社 | Drum brake with automatic shoe clearance adjustment mechanism |
Also Published As
Publication number | Publication date |
---|---|
JPH0247783Y2 (en) | 1990-12-14 |
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