JPS6342187Y2 - - Google Patents
Info
- Publication number
- JPS6342187Y2 JPS6342187Y2 JP12376082U JP12376082U JPS6342187Y2 JP S6342187 Y2 JPS6342187 Y2 JP S6342187Y2 JP 12376082 U JP12376082 U JP 12376082U JP 12376082 U JP12376082 U JP 12376082U JP S6342187 Y2 JPS6342187 Y2 JP S6342187Y2
- Authority
- JP
- Japan
- Prior art keywords
- button
- fitting hole
- fitting
- brake
- end surface
- 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.)
- Expired
Links
Landscapes
- Braking Arrangements (AREA)
Description
【考案の詳細な説明】
本考案は車両等のドラムブレーキ装置に関する
ものである。[Detailed Description of the Invention] The present invention relates to a drum brake device for vehicles, etc.
従来のこの種のドラムブレーキ装置において第
１図に示すようにブレーキシユーａにボタンｂを
打ち込み、ボタンｂのつば部ｃで荷重を支持する
構造になつていた。 In a conventional drum brake device of this type, as shown in FIG. 1, a button b is driven into a brake shoe a, and the load is supported by the collar c of the button b.
しかし、この構造だと第２図に示すようにボタ
ンｂの中心部に荷重Ｆが作用した時、つば部ｃの
外端部を支点としてＰ部に応力集中を伴なう過大
応力が発生し易く、ボタンａの耐久性に問題があ
つた。 However, with this structure, as shown in Figure 2, when a load F is applied to the center of the button b, excessive stress occurs in the P part with stress concentration using the outer end of the collar c as a fulcrum. However, there was a problem with the durability of button a.
本考案は上記の事情に鑑みなされたものであつ
て、その目的とするところはブレーキシリンダの
ピストンからの荷重のボタンの鍔部への作用をな
くしこの鍔部における過大応力の発生をなくしボ
タンの耐久性を図ることにある。 The present invention was developed in view of the above circumstances, and its purpose is to eliminate the action of the load from the piston of the brake cylinder on the flange of the button, and to eliminate the generation of excessive stress in the flange. The aim is to ensure durability.
以下、本考案を第３図以下を参照して説明す
る。 Hereinafter, the present invention will be explained with reference to FIG. 3 and subsequent figures.
図面中１はブレーキシユーであり、２はブレー
キシリンダ、３はライニング、４はブレーキドラ
ム、５はブレーキアンカーである。 In the drawing, 1 is a brake shoe, 2 is a brake cylinder, 3 is a lining, 4 is a brake drum, and 5 is a brake anchor.
ブレーキシユー１のブレーキシリンダ２のピス
トン６に対向する端面７には平坦な底面１２を有
する嵌合孔８が形成してある。 A fitting hole 8 having a flat bottom surface 12 is formed in an end surface 7 of the brake shoe 1 facing the piston 6 of the brake cylinder 2 .
図面中９はボタンであり、ボタン９には嵌合軸
部１０に鍔部１１を形成して成る。 Reference numeral 9 in the drawings indicates a button, and the button 9 has a fitting shaft portion 10 and a flange portion 11 formed thereon.
そしてボタン９は、嵌合軸部１０を嵌合孔８に
圧入嵌合してブレーキシユー１に取付けてあり、
そして、この嵌合軸部１０の端面を嵌合孔８の底
面１２に衝突させた状態で鍔部１１とブレーキシ
ユー１の端面７との間に隙間ｔが設けてある。 The button 9 is attached to the brake shoe 1 by press-fitting the fitting shaft portion 10 into the fitting hole 8.
A gap t is provided between the flange 11 and the end surface 7 of the brake shoe 1 with the end surface of the fitting shaft 10 colliding with the bottom surface 12 of the fitting hole 8.
しかしてピストン６からボタン９に作用する荷
重Ｆは嵌合触部１０を介してブレーキシユー１に
伝達されブレーキシユー１、ライニング３を押し
拡げて回転体であるブレーキドラム４内面との摩
擦抵抗により車両を制動している。 The load F acting on the button 9 from the piston 6 is transmitted to the brake shoe 1 via the fitting contact portion 10, pushing the brake shoe 1 and the lining 3 apart and causing friction with the inner surface of the brake drum 4, which is a rotating body. The vehicle is braked by resistance.
本考案は以上詳述したように、ブレーキシユー
１の端面７に、平坦な底面１２を有する嵌合孔８
を設け、嵌合軸部１０に鍔部１１を形成して成る
ボタン９の当該嵌合軸部１０を嵌合孔８に圧入嵌
合してこの嵌合軸部１０の端面を嵌合孔８の底面
１２に当接して前記端面７と鍔部１１との間に隙
間ｔを設けたから、ブレーキシリンダのピストン
からボタン９に作用する荷重はボタン９の嵌合軸
部１０で受けブレーキシユー１に伝達されるの
で、荷重はボタン９の鍔部に作用することなく、
この鍔部における過大応力の発生がなくボタンの
耐久性が向上する。 As described in detail above, the present invention provides a fitting hole 8 having a flat bottom surface 12 in the end surface 7 of the brake shoe 1.
The fitting shaft part 10 of the button 9 is press-fitted into the fitting hole 8, and the end face of the fitting shaft part 10 is inserted into the fitting hole 8. Since the gap t is provided between the end surface 7 and the flange 11 in contact with the bottom surface 12 of the button 9, the load acting on the button 9 from the piston of the brake cylinder is received by the fitting shaft 10 of the button 9 and the brake shoe 1 Since the load is not applied to the flange of the button 9,
There is no generation of excessive stress in this flange, and the durability of the button is improved.
第１図は従来のドラムブレーキ装置のボタン部
分の縦断面図、第２図は同作用説明図、第３図は
本考案一実施例の正面図、第４図は同縦断面図、
第５図は第３図Ｖ部の拡大図である。
１はブレーキシユー、８は嵌合孔、９はボタ
ン、１０は嵌合軸部。
Fig. 1 is a longitudinal cross-sectional view of the button part of a conventional drum brake device, Fig. 2 is an explanatory view of the same operation, Fig. 3 is a front view of an embodiment of the present invention, Fig. 4 is a longitudinal cross-sectional view of the same,
FIG. 5 is an enlarged view of section V in FIG. 3. 1 is a brake shoe, 8 is a fitting hole, 9 is a button, and 10 is a fitting shaft.
Claims (1)
を有する嵌合孔８を設け、嵌合軸部１０に鍔部１
１を形成して成るボタン９の当該嵌合軸部１０を
嵌合孔８に圧入嵌合してこの嵌合軸部１０の端面
を嵌合孔８の底面１２に当接して前記端面７と鍔
部１１との間に隙間ｔを設けたことを特徴とする
車両等のドラムブレーキ装置。 A flat bottom surface 12 is provided on the end surface 7 of the brake shoe 1.
A fitting hole 8 having a
1 of the button 9 is press-fitted into the fitting hole 8, and the end surface of the fitting shaft 10 is brought into contact with the bottom surface 12 of the fitting hole 8, so that the end surface 7 and A drum brake device for a vehicle, etc., characterized in that a gap t is provided between the flange portion 11 and the flange portion 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12376082U JPS5927337U (en) | 1982-08-17 | 1982-08-17 | Drum brake device for vehicles, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12376082U JPS5927337U (en) | 1982-08-17 | 1982-08-17 | Drum brake device for vehicles, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5927337U JPS5927337U (en) | 1984-02-20 |
| JPS6342187Y2 true JPS6342187Y2 (en) | 1988-11-04 |
Family
ID=30282386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12376082U Granted JPS5927337U (en) | 1982-08-17 | 1982-08-17 | Drum brake device for vehicles, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5927337U (en) |
-
1982
- 1982-08-17 JP JP12376082U patent/JPS5927337U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5927337U (en) | 1984-02-20 |