JPH0215735B2 - - Google Patents

Info

Publication number
JPH0215735B2
JPH0215735B2 JP55185961A JP18596180A JPH0215735B2 JP H0215735 B2 JPH0215735 B2 JP H0215735B2 JP 55185961 A JP55185961 A JP 55185961A JP 18596180 A JP18596180 A JP 18596180A JP H0215735 B2 JPH0215735 B2 JP H0215735B2
Authority
JP
Japan
Prior art keywords
drum
pad
web
brake
brake shoe
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 - Lifetime
Application number
JP55185961A
Other languages
Japanese (ja)
Other versions
JPS57107443A (en
Inventor
Takashi Morita
Yutaka Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akebono Brake Industry Co Ltd
Original Assignee
Akebono Brake Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Akebono Brake Industry Co Ltd filed Critical Akebono Brake Industry Co Ltd
Priority to JP18596180A priority Critical patent/JPS57107443A/en
Priority to AU76297/81A priority patent/AU545301B2/en
Priority to MX18969681A priority patent/MX153629A/en
Priority to GB8131580A priority patent/GB2087995B/en
Publication of JPS57107443A publication Critical patent/JPS57107443A/en
Publication of JPH0215735B2 publication Critical patent/JPH0215735B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】 本発明はブレーキシユーのライニング部をブレ
ーキシユー本体と別体にすると共に該ライニング
部をブレーキシユー本体に着脱自在に取付けるよ
うにしたカセツト式ドラムブレーキにおいて、着
脱自在に装着することを目的とした摩擦パツドに
関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides a cassette type drum brake in which the lining part of the brake shoe is separate from the brake shoe body and the lining part is detachably attached to the brake shoe body. This relates to a friction pad that is intended to be worn freely.

従来のドラムブレーキのブレーキシユーにおい
てはウエブに溶接されたリムに摩擦材(ライニン
グ)が接着されており、ライニングの摩耗したブ
レーキシユーを交換する際、シユーアセンブリー
をブレーキから取外す作業をしなければならず、
このことはブレーキサイズに比例して作業性を非
常に悪くしている。
In conventional drum brake brake shoes, a friction material (lining) is bonded to the rim that is welded to the web, and when replacing a brake shoe with worn lining, it is necessary to remove the shoe assembly from the brake. have to,
This makes workability extremely poor in proportion to the brake size.

本発明者らはこの問題を解消するためにブレー
キシユーのライニング部をブレーキシユー本体と
別体にして該ライニング部をブレーキシユー本体
に着脱自在に取付けるドラムブレーキにおいて、
上記のライニング部を裏金付きのパツド型にする
一方、ブレーキシユー本体をウエブのみで形成
し、かつ該パツド型ライニング部の前後に夫々凹
溝部を切込むと共に上記のブレーキシユー本体の
外周にライニング部をセツトするための切欠部を
設け、前記のパツド型ライニング部をその凹溝部
とブレーキシユー本体との差込み嵌合によつてド
ラム軸方向及びドラム回転方向の変動に対して拘
束した状態で上記の切欠部にセツトし、更にこの
セツト位置で該パツド型ライニング部を上記のブ
レーキシユー本体に係合するパツドクリツプによ
り、ドラム半径方向及びドラム回転方向のガタツ
キを拘束せしめたことを特徴とするパツド型ドラ
ムブレーキについて開発したが(特願昭55−
147781号)、本発明は上記のパツド型ドラムブレ
ーキにおいて、主として前記の作業性を改善する
ため従来のシユーからリムを削除したウエブに直
接着脱が可能な形状をもつ摩擦パツドを提供した
ものである。
In order to solve this problem, the present inventors have developed a drum brake in which the lining part of the brake shoe is separated from the brake shoe body and the lining part is detachably attached to the brake shoe body.
While the above-mentioned lining part is made into a pad type with a metal backing, the brake shoe body is formed only from a web, and concave grooves are cut into the front and rear of the pad-type lining part, and the outer periphery of the brake shoe body is A state in which a notch is provided for setting the lining, and the pad type lining is restrained against fluctuations in the drum axis direction and the drum rotation direction by insertion fitting between the concave groove and the brake shoe body. The pad clip is set in the notch in the above-mentioned notch, and furthermore, in this setting position, the pad type lining part is engaged with the brake shoe main body by a pad clip, thereby restraining rattling in the radial direction of the drum and in the direction of rotation of the drum. We developed a pad-type drum brake (patent application 1983-
No. 147781), the present invention provides a friction pad in the above-mentioned pad-type drum brake, which has a shape that can be directly attached to and detached from the web by removing the rim from the conventional shoe, mainly in order to improve the above-mentioned workability. .

即ち本発明の摩擦パツドは裏金と摩擦材(ライ
ニング部)からなり、摩擦材の上面にドラムの円
筒面にならうような円弧形状をもたせると共に裏
板は平板状にして全体をパツド型としたのが特徴
である。
That is, the friction pad of the present invention consists of a back metal and a friction material (lining part), and the top surface of the friction material has an arcuate shape that follows the cylindrical surface of the drum, and the back plate is shaped like a flat plate so that the entire pad is shaped like a pad. It is characterized by

本発明の摩擦パツドによれば摩擦材の交換が必
要となつた場合、摩擦パツドのみをウエブから取
り外し、新しいものと入れ換えるだけでよいので
作業能率が大巾に向上される。
According to the friction pad of the present invention, when it becomes necessary to replace the friction material, it is only necessary to remove the friction pad from the web and replace it with a new one, thereby greatly improving work efficiency.

以下に本発明を図面に示す実施例によつて説明
する。
The present invention will be explained below with reference to embodiments shown in the drawings.

第1図に示すように左右のブレーキシユーはウ
エブ1と複数個の摩擦パツド2とで構成されてい
る。
As shown in FIG. 1, the left and right brake shoes are composed of a web 1 and a plurality of friction pads 2.

即ちブレーキシユー本体は従来のリムを廃して
ウエブのみで構成し、第2図aに示すようにその
外周をブレーキドラム(図示せず)の円筒面にな
らう円弧状となし、かつ摩擦パツド2をセツトす
るための底面が平面状をなす切欠部3の複数個を
有した形状となつている。
That is, the brake shoe body does not have the conventional rim and is composed only of a web, and as shown in Figure 2a, its outer periphery is shaped like an arc following the cylindrical surface of the brake drum (not shown), and the friction pad is The bottom surface for setting the holder 2 has a plurality of planar notches 3.

一方摩擦パツド2は上記切欠部3の底面になら
う平板状の裏板4と上面がドラム円筒面にならう
円弧面をなすと共に底面が平面となつているライ
ニング板5とからなり、両者4,5は一体に接着
されてかまぼこ状のパツド型をなしている。
On the other hand, the friction pad 2 consists of a flat back plate 4 that follows the bottom surface of the notch 3, and a lining plate 5 whose top surface forms an arcuate surface that follows the cylindrical surface of the drum and whose bottom surface is flat. , 5 are glued together to form a semicircular pad shape.

又この摩擦パツド2のドラム回転方向両端の中
央部には凹溝6,6を設け、この凹溝を利用して
ウエブ1の切欠部3に夫々摩擦パツド2を凹溝嵌
合するようになつている。
Further, grooves 6, 6 are provided in the center of both ends of the friction pad 2 in the direction of rotation of the drum, and the grooves are used to fit the friction pad 2 into the notch 3 of the web 1, respectively. ing.

前記のウエブ1にはシユー戻しばねスプリング
7,8を係止するための係止孔9の他にパツドク
リツプ10を通すための孔11が設けられてい
る。
In addition to locking holes 9 for locking the shoe return springs 7 and 8, the web 1 is provided with holes 11 for passing pad clips 10 therethrough.

このパツドクリツプ10は孔11に通して図示
のように摩擦パツド2を両側より弾性的に切欠部
3内に押え付けるようにしている。尚摩擦パツド
2は裏板4はライニング板5に対しその外周縁が
露出するように若干大き目になつており、そこで
上記のパツドクリツプ10は裏板4とライニング
板5との境界コーナー部に沿つて配置することに
より摩擦パツド2をウエブ1の外周に沿つて強固
かつ着脱可能に取付けることが可能である。
This pad clip 10 is passed through a hole 11 so as to elastically press the friction pad 2 into the notch 3 from both sides as shown. The friction pad 2 has a back plate 4 that is slightly larger than the lining plate 5 so that its outer periphery is exposed. By arranging the friction pads 2, it is possible to firmly and removably attach the friction pads 2 along the outer periphery of the web 1.

尚図面中矢印12は前進時ドラム回転方向を示
し、又13はホイルシリンダー、14はドラムと
シユーとの隙間を調整するためのアジヤスターで
ある。
In the drawing, arrow 12 indicates the drum rotation direction during forward movement, 13 is a wheel cylinder, and 14 is an adjuster for adjusting the gap between the drum and the shoe.

上記のようなウエブ1の切欠部3及び裏板4の
凹溝6はいずれもプレス打抜き加工等により容易
に形成することができるものである。また本発明
では裏板4は平板状であるために上記の加工性は
一層優れている。
The notch 3 of the web 1 and the groove 6 of the back plate 4 as described above can both be easily formed by press punching or the like. Further, in the present invention, since the back plate 4 has a flat plate shape, the above-mentioned workability is even more excellent.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の摩擦パツドを組込んだカセツ
ト式ドラムブレーキの実施例を示した説明図、第
2図aは同上のウエブの説明図、第2図bは同上
の摩擦パツドの説明図である。 1……ウエブ、2……摩擦パツド、3……切欠
部、4……裏板、5……ライニング板、6……凹
溝、10……パツドクリツプ、11……パツドク
リツプ通し孔。
Fig. 1 is an explanatory diagram showing an embodiment of a cassette type drum brake incorporating the friction pad of the present invention, Fig. 2a is an explanatory diagram of the same web, and Fig. 2b is an explanatory diagram of the same friction pad. It is. DESCRIPTION OF SYMBOLS 1... Web, 2... Friction pad, 3... Notch, 4... Back plate, 5... Lining plate, 6... Concave groove, 10... Pad clip, 11... Pad clip through hole.

Claims (1)

【特許請求の範囲】[Claims] 1 ブレーキシユーのライニング部をブレーキシ
ユー本体と別体にすると共に該ライニング部をブ
レーキシユー本体に着脱自在に取付けるようにし
たカセツト式ドラムブレーキにおいて、上記のブ
レーキシユー本体をドラムの円筒面にならう円弧
状外周形状を有するウエブのみで構成すると共
に、このウエブの外周に底面が平面状をなす切欠
部を複数個設け、又一方上記のライニング部は上
記切欠部の底面形状にならう平板状裏板とドラム
の円筒面にならう円弧状上面を有するライニング
板とでパツド型の摩擦パツドに構成すると共にこ
の摩擦パツドを上記ウエブの切欠部に対応して複
数個設け、かつ該摩擦パツドのドラム回転方向両
端に凹溝を切込んで、これら摩擦パツドを前記ウ
エブの切欠部に凹溝嵌合によつてセツトしうるよ
うにしたことを特徴とするカツト式ドラムブレー
キにおける摩擦パツド。
1. In a cassette type drum brake in which the lining part of the brake shoe is separate from the brake shoe body and the lining part is detachably attached to the brake shoe body, the brake shoe body is attached to the cylinder of the drum. It is composed only of a web having an arcuate outer peripheral shape that follows the surface, and a plurality of notches with flat bottom surfaces are provided on the outer periphery of this web, and on the other hand, the above-mentioned lining portion conforms to the bottom shape of the above-mentioned notches. A pad-type friction pad is formed by a flat back plate and a lining plate having an arcuate upper surface that follows the cylindrical surface of the drum, and a plurality of friction pads are provided corresponding to the notches of the web, and A friction pad for a cut-type drum brake, characterized in that grooves are cut into both ends of the friction pad in the direction of rotation of the drum, so that the friction pads can be set in the notch of the web by fitting into the grooves. .
JP18596180A 1980-10-22 1980-12-25 Friction pad in cassette type drum brake Granted JPS57107443A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP18596180A JPS57107443A (en) 1980-12-25 1980-12-25 Friction pad in cassette type drum brake
AU76297/81A AU545301B2 (en) 1980-10-22 1981-10-13 Pad type drum brake
MX18969681A MX153629A (en) 1980-10-22 1981-10-19 PAD TYPE DRUM BRAKE IMPROVEMENTS FOR VEHICLES LIKE AUTOMOBILES AND TRUCKS
GB8131580A GB2087995B (en) 1980-10-22 1981-10-20 A pad type drum brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18596180A JPS57107443A (en) 1980-12-25 1980-12-25 Friction pad in cassette type drum brake

Publications (2)

Publication Number Publication Date
JPS57107443A JPS57107443A (en) 1982-07-03
JPH0215735B2 true JPH0215735B2 (en) 1990-04-13

Family

ID=16179900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18596180A Granted JPS57107443A (en) 1980-10-22 1980-12-25 Friction pad in cassette type drum brake

Country Status (1)

Country Link
JP (1) JPS57107443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006092A (en) * 2014-06-11 2014-08-27 安徽江淮汽车股份有限公司 Rear brake structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112360901A (en) * 2020-11-25 2021-02-12 浙江炜烨晶体纤维有限公司 Drum brake gasket for automobile based on polycrystalline mullite fiber

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5586930A (en) * 1978-12-25 1980-07-01 Akebono Brake Ind Co Ltd Cassette-type shoe liner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5586930A (en) * 1978-12-25 1980-07-01 Akebono Brake Ind Co Ltd Cassette-type shoe liner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006092A (en) * 2014-06-11 2014-08-27 安徽江淮汽车股份有限公司 Rear brake structure
CN104006092B (en) * 2014-06-11 2017-02-15 安徽江淮汽车股份有限公司 Rear brake structure

Also Published As

Publication number Publication date
JPS57107443A (en) 1982-07-03

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