JPS6234035Y2 - - Google Patents
Info
- Publication number
- JPS6234035Y2 JPS6234035Y2 JP12927982U JP12927982U JPS6234035Y2 JP S6234035 Y2 JPS6234035 Y2 JP S6234035Y2 JP 12927982 U JP12927982 U JP 12927982U JP 12927982 U JP12927982 U JP 12927982U JP S6234035 Y2 JPS6234035 Y2 JP S6234035Y2
- Authority
- JP
- Japan
- Prior art keywords
- friction pad
- heat insulating
- caliper
- reaction
- insulating plate
- 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
- 210000000078 claw Anatomy 0.000 claims description 31
- 239000012530 fluid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Description
【考案の詳細な説明】
本考案は、自動車その他の車両に用いられるデ
イスク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 disc brake device used in automobiles and other vehicles.
従来、この種のデイスクブレーキ装置として、
車輪と一体回転するデイスクと、その両制動面に
配置されそれぞれに摺擦する第１および第２摩擦
パツドと、この両摩擦パツドを跨ぐ作動部と反力
爪とを有し、ブラケツトにデイスク軸方向に移動
自在に設けられたキヤリパとからなり、前記作動
部に備えたピストンが前記第１摩擦パツドを押圧
したとき、キヤリパが移動しその反力爪により前
記第２摩擦パツドを押圧するようになしたものが
知られている。そしてこのものにおいては、第１
摩擦パツドとピストンとの間に断熱板を介在し、
制動作動によつて生じる制動熱がピストンに伝達
することを防止し、その背後に画成された液圧室
の作動液の温度が上昇することがないようにして
いる。しかしながら、作動液の熱影響として、ピ
ストンと反対側の摩擦パツドから反力爪に伝達さ
れ、これがキヤリパの温度上昇を招き、その結果
作動部側の作動液に影響を及ぼすことを無視する
ことができない。 Conventionally, this type of disc brake device
It has a disc that rotates integrally with the wheel, first and second friction pads that are arranged on both braking surfaces of the disc and slide against each other, and an actuating part and a reaction claw that straddle these two friction pads, and a disc shaft is attached to the bracket. and a caliper provided movably in the direction, so that when a piston provided in the actuating part presses the first friction pad, the caliper moves and presses the second friction pad with its reaction claw. What has been done is known. And in this one, the first
A heat insulating plate is interposed between the friction pad and the piston,
This prevents the braking heat generated by the braking action from being transmitted to the piston, and prevents the temperature of the hydraulic fluid in the hydraulic pressure chamber defined behind the piston from rising. However, it is difficult to ignore the fact that the thermal effect of the hydraulic fluid is transmitted from the friction pad on the opposite side of the piston to the reaction pawl, which causes a rise in the temperature of the caliper and, as a result, affects the hydraulic fluid on the working part side. Can not.
本考案は、かかる点に鑑み提案されたもので、
車輪と一体回転するデイスクと、その制動面に配
置されそれぞれ摺擦する第１および第２摩擦パツ
ドと、この両摩擦パツドを跨ぐ作動部と反力爪と
を有し、ブラケツトにデイスク軸方向に移動自在
に設けられたキヤリパとからなり、前記作動部に
備えたピストンが前記第１摩擦パツドを押圧した
とき、キヤリパが移動しその反力爪により前記第
２摩擦パツドを押圧するようになしたデイスクブ
レーキ装置において、前記反力爪と第２摩擦パツ
ドとの間に断熱板を介在し、この断熱板は反力爪
との非接合部にフインにて形成された開口部と、
反力爪との接合部に非接合部まで伸びる開口部と
を有し、上部に形成された折曲片を前記キヤリパ
のブリツジ部に係止するようになしたことを特徴
とする。 This invention was proposed in view of these points,
It has a disc that rotates integrally with the wheel, first and second friction pads that are arranged on the braking surface of the disc and slide against each other, and an actuating part and a reaction claw that straddle both of the friction pads. It consists of a movably provided caliper, and when the piston provided in the actuating part presses the first friction pad, the caliper moves and presses the second friction pad with its reaction claw. In the disc brake device, a heat insulating plate is interposed between the reaction claw and the second friction pad, and the heat insulating plate has an opening formed by a fin at a portion not connected to the reaction claw;
It is characterized in that it has an opening extending to a non-joint part at the joint part with the reaction claw, and a bent piece formed at the upper part is latched to the bridge part of the caliper.
そして本考案の目的は、第２摩擦パツドと反力
爪との間に介在した前記の如く特別な構成をなし
た断熱板の放熱作用によつて制動熱が反力爪に伝
達されることを防止し、キヤリパの温度上昇によ
る作動液への熱影響を軽減するとともに、前記断
熱板の構造が簡単でかつ取付容易である前記デイ
スクブレーキ装置を提供するにある。 The purpose of the present invention is to transmit braking heat to the reaction pawl by the heat dissipation effect of the heat insulating plate, which has a special structure as described above, and is interposed between the second friction pad and the reaction pawl. It is an object of the present invention to provide the disc brake device in which the thermal effect on the hydraulic fluid due to the temperature rise of the caliper is reduced, and the structure of the heat insulating plate is simple and easy to install.
以下、図面により本考案の一実施例を詳細に説
明する。 Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.
車輪と一体に回転するデイスク１の両制動面に
は、第１および第２摩擦パツド２，３が配置され
ている。キヤリパ４は本体に固定されたブラケツ
ト５に、一対の支持ピン６を介してデイスク軸方
向に移動可能に支持され、作動部４ａと反力爪４
ｂがブリツジ部４ｃにより連結して一体に成形さ
れている。この作動部４ａと反力爪４ｂは前記第
１および第２摩擦パツド２，３を跨ぎ、そして作
動部４ａにはデイスク周方向に一対のシリンダ７
が配置され、このそれぞれのシリンダ７にピスト
ン８が摺動可能に設けられている。このピストン
８は開口部に断熱板９が設けられ、制動熱がピス
トン８に伝達することを防止している。前記反力
爪４ｂは作動部４ａに備えた一対のピストン８の
押圧力に対応して両側の二本と、その中央に一本
と合計三本設けられている。 First and second friction pads 2, 3 are arranged on both braking surfaces of the disc 1, which rotates together with the wheel. The caliper 4 is supported by a bracket 5 fixed to the main body through a pair of support pins 6 so as to be movable in the disk axial direction, and has an operating portion 4a and a reaction claw 4.
b are connected by a bridge portion 4c and are integrally molded. The actuating part 4a and the reaction claw 4b straddle the first and second friction pads 2, 3, and the actuating part 4a has a pair of cylinders 7 in the circumferential direction of the disk.
are arranged, and a piston 8 is slidably provided in each cylinder 7. A heat insulating plate 9 is provided at the opening of the piston 8 to prevent braking heat from being transmitted to the piston 8. A total of three reaction claws 4b are provided, two on both sides and one in the center, corresponding to the pressing force of the pair of pistons 8 provided in the actuating portion 4a.
マスタシリンダ（図示せず）を操作してシリン
ダ７とピストン８との後部とで画成された作動液
室１０に圧液を供給すれば、ピストン８はその圧
液によつて前進し、第１摩擦パツド２を押動して
デイスク１の制動面に摺擦させる。一方この作動
によりキヤリパ４がピストン８と反対方向に移動
し、他側に配置された第２摩擦パツド３を反力爪
４ｂが断熱板１１を介してデイスク１の反対側の
制動面に摺擦せしめる。 When a master cylinder (not shown) is operated to supply pressure fluid to the hydraulic fluid chamber 10 defined by the cylinder 7 and the rear part of the piston 8, the piston 8 is moved forward by the pressure fluid, and the piston 8 is moved forward by the pressure fluid. 1 Push the friction pad 2 so that it slides against the braking surface of the disc 1. On the other hand, due to this operation, the caliper 4 moves in the opposite direction to the piston 8, and the reaction claw 4b slides the second friction pad 3 arranged on the other side against the braking surface on the opposite side of the disc 1 via the heat insulating plate 11. urge
反力爪４ｂの内側壁と第２摩擦パツド裏板３ａ
の背面との間に介在された前記断熱板１１は、第
２摩擦パツド裏板３ａよりも熱伝導率の低いステ
ンレス等の板材で成形されている。 The inner wall of the reaction claw 4b and the second friction pad back plate 3a
The heat insulating plate 11 interposed between the second friction pad back plate 3a and the second friction pad back plate 3a is made of a plate material such as stainless steel having a lower thermal conductivity than the second friction pad back plate 3a.
この断熱板１１は、反力爪４ｂとの非接合部に
上辺を残して方形に打ち抜き外側に屈曲したフイ
ン１１ａにて形成された開口部１１ｂと、反力爪
４ｂとの接合部に非接合部まで伸びる開口部１１
ｃとを有している。この断熱板１１はその上部に
形成された折曲片１１ｄを、パツドスプリング１
２の係止爪１２ａにより前記キヤリパ４のブリツ
ジ部４ｃに形成されたデイスク軸方向のリブ４ｄ
に係止して保持される。 This heat insulating plate 11 is punched out into a rectangular shape leaving the upper side at the non-joint part with the reaction claw 4b, and has an opening 11b formed by an outwardly bent fin 11a and a non-joint part between the reaction claw 4b and the opening 11b. an opening 11 extending to the
It has c. This heat insulating plate 11 has a bent piece 11d formed on the upper part of the plate spring 1.
A rib 4d in the disk axial direction is formed on the bridge portion 4c of the caliper 4 by the locking pawl 12a of No. 2.
It is locked and held.
断熱板１１は第２摩擦パツド裏板３ａより熱伝
導率が低い材料で成形されており、制動熱が反力
爪４ｂに直接伝達することを防止している。しか
も断熱板１１にフイン１１ａにより形成された開
口部１１ｂで第２摩擦パツド裏板３ａの背面に空
気を接触させて冷却し、かつフイン１１ａで断熱
板１１の表面積を保つている。そして、断熱板１
１に反力爪４ｂの接合部と非接合部にわたつて形
成された開口部１１ｃは、それぞれ空気を第２摩
擦パツド裏板３ａの背面と反力爪４ｂとの間に導
き、これにより放熱作用を一層向上させ、制動熱
が反力爪４ｂに伝達することを有効に防止してい
る。なお、前記フイン１１ａおよび開口部１１
ｂ，１１ｃの箇数、形状はこの実施例に示される
ものに限ることなく、適宜に選択可能である。 The heat insulating plate 11 is made of a material having a lower thermal conductivity than the second friction pad back plate 3a, and prevents braking heat from being directly transmitted to the reaction pawl 4b. Moreover, air is brought into contact with the back surface of the second friction pad back plate 3a through openings 11b formed in the heat insulating plate 11 by the fins 11a, and the surface area of the heat insulating plate 11 is maintained by the fins 11a. And insulation board 1
1, the openings 11c formed across the joint and non-joint parts of the reaction claw 4b lead air between the back surface of the second friction pad back plate 3a and the reaction claw 4b, thereby dissipating heat. This further improves the action and effectively prevents braking heat from being transmitted to the reaction claw 4b. Note that the fin 11a and the opening 11
The number and shape of b and 11c are not limited to those shown in this embodiment, and can be selected as appropriate.
パツドスプリング１２は爪部１２ｂによりキヤ
リパ４のリブ部４ｄに係止され、デイスク１の回
入および回出方向へ延出した一対のパツド押圧部
１２ｃ，１２ｃにより摩擦パツド裏板２ａ，３ａ
の上部をデイスク１の中心方向へ押圧保持してい
る。両摩擦パツド２，３は、その裏板２ａ，３ａ
をキヤリパ４にデイスク軸と平行に抜差し可能に
設けた一対のハンガーピン１３，１３に貫通し
て、デイスク軸方向に摺動可能に吊持されてい
る。 The pad spring 12 is locked to the rib portion 4d of the caliper 4 by a claw portion 12b, and is pressed against the friction pad back plates 2a, 3a by a pair of pad pressing portions 12c, 12c extending in the direction of insertion and rotation of the disk 1.
The upper part of the disk 1 is pressed and held toward the center of the disk 1. Both friction pads 2 and 3 have their back plates 2a and 3a.
is inserted through a pair of hanger pins 13, 13 which are provided in the caliper 4 so that they can be inserted into and removed from the caliper 4 parallel to the disk axis, and is suspended so as to be slidable in the disk axis direction.
前記断熱板１１の組付は、まず上部折曲片１１
ｄをブリツジ部４ｃのリブ部４ｄに係合し、反力
爪４ｂの内側壁に位置決めをする。そしてパツド
スプリング１２をキヤリパ４のブリツジ部４ｃに
下方から押し込み、爪部１２ｂをリブ部４ｄに係
止するとともにその係止爪１２ａで断熱板１１の
折曲片１１ｄをリブ部４ｄに圧接する。これによ
り断熱板１１はパツドスプリング１２を組付ける
ときに、同時に組付けられる。そして、第１およ
び第２摩擦パツド２，３をハンガーピン１３，１
３により吊持すると、断熱板１１は反力部４ｂの
内側壁と第２摩擦パツド裏板３ａとの間に介在し
た状態でパツドスプリング１２により吊持され
る。 When assembling the heat insulating board 11, first the upper bent piece 11 is assembled.
d is engaged with the rib portion 4d of the bridge portion 4c, and positioned on the inner wall of the reaction claw 4b. Then, the pad spring 12 is pushed into the bridge portion 4c of the caliper 4 from below, and the claw portion 12b is locked to the rib portion 4d, and the bent piece 11d of the heat insulating plate 11 is pressed against the rib portion 4d by the locking claw 12a. . Thereby, the heat insulating plate 11 is assembled at the same time as the pad spring 12 is assembled. Then, the first and second friction pads 2, 3 are attached to the hanger pins 13, 1.
3, the heat insulating plate 11 is suspended by the pad spring 12 while being interposed between the inner wall of the reaction force portion 4b and the second friction pad back plate 3a.
前記実施例はキヤリツパの作動部に一対のピス
トンを備え、反力爪はこれに対応して３本形成し
たものについて説明したが、作動部に単一のピス
トンを備え、反力爪は２本のものであつてもよい
ことは勿論である。 In the above embodiment, the operating part of the caliper is provided with a pair of pistons, and three reaction claws are formed correspondingly. Of course, it may also be the same.
前記のように本考案は、第２摩擦パツドとキヤ
リパの反力爪との間に、フインと開口部とを有す
る特別な構造の断熱板を介在したから、フインに
より形成された開口部が第２摩擦パツドの裏板
を、また反力爪の接合部と非接合部にわたつて形
成された開口部が第２摩擦パツドの裏板と反力爪
とをそれぞれ空気で冷却する。したがつて制動熱
が放熱作用により第２摩擦パツドから反力爪に伝
達することが軽減され、これによりキヤリパの温
度上昇が抑えられ、作動液への熱影響がない。 As mentioned above, in the present invention, a specially structured heat insulating plate having fins and openings is interposed between the second friction pad and the reaction claw of the caliper, so that the openings formed by the fins are Openings formed across the back plate of the second friction pad and the joint and non-join parts of the reaction claw cool the back plate of the second friction pad and the reaction claw, respectively, with air. Therefore, transmission of braking heat from the second friction pad to the reaction pawl due to the heat dissipation effect is reduced, thereby suppressing a rise in temperature of the caliper and causing no thermal effect on the working fluid.
そして、この断熱板の開口部はフインの形成
と、プレス等の打ち抜きにより成形され、製作容
易であるとともに、パツドスプリングの組付と同
時にキヤリパに係止され、取付が極めて簡単であ
る等の効果を有している。 The opening of this heat insulating plate is formed by forming fins and punching with a press, etc., making it easy to manufacture and locking to the caliper at the same time as the pad spring is assembled, making installation extremely easy. It has an effect.
図面は本考案の一実施例を示すもので、第１図
は正面図、第２図は第１図の−断面図、第３
図は第２図の−断面図、第４図は断熱板の斜
視図である。
２は第１摩擦パツド、３は第２摩擦パツド、４
はキヤリパ、４ａは作動部、４ｂは反力爪、５は
ブラケツト、８はピストン、１１は断熱板、１１
ａはフイン、１１ｂ，１１ｃは開口部、１２はパ
ツドスプリングである。
The drawings show one embodiment of the present invention, and FIG. 1 is a front view, FIG. 2 is a cross-sectional view of FIG. 1, and FIG.
The figure is a cross-sectional view taken from FIG. 2, and FIG. 4 is a perspective view of the heat insulating plate. 2 is a first friction pad, 3 is a second friction pad, 4
is a caliper, 4a is an operating part, 4b is a reaction claw, 5 is a bracket, 8 is a piston, 11 is a heat insulating plate, 11
a is a fin, 11b and 11c are openings, and 12 is a pad spring.
Claims (1)
に配置されそれぞれに摺擦する第１および第２摩
擦パツドと、この両摩擦パツドを跨ぐ作動部と反
力爪とを有し、ブラケツトにデイスク軸方向に移
動自在に設けられたキヤリパとからなり、前記作
動部に備えたピストンが前記第１摩擦パツドを押
圧したとき、キヤリパが移動しその反力爪により
前記第２摩擦パツドを押圧するようになしたデイ
スクブレーキ装置において、前記反力爪と第２摩
擦パツドとの間に断熱板を介在し、この断熱板は
反力爪との非接合部にフインにて形成された開口
部と、反力爪との接合部に非接合部まで伸びる開
口部とを有し、上部に形成された折曲片を前記キ
ヤリパのブリツジ部に係止するようになしたこと
を特徴とするデイスクブレーキ装置。 It has a disc that rotates integrally with the wheel, first and second friction pads that are arranged on both braking surfaces of the disc and slide against each other, and an actuating part and a reaction claw that straddle these two friction pads, and a disc shaft is attached to the bracket. and a caliper provided movably in the direction, so that when a piston provided in the actuating part presses the first friction pad, the caliper moves and presses the second friction pad with its reaction claw. In this disc brake device, a heat insulating plate is interposed between the reaction claw and the second friction pad, and the heat insulating plate has an opening formed by a fin at a portion not connected to the reaction claw, and a heat insulating plate between the reaction claw and the second friction pad. What is claimed is: 1. A disc brake device comprising: an opening extending to a non-joining portion at a joining portion with a power pawl, and a bent piece formed at an upper portion thereof is latched to a bridge portion of the caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12927982U JPS5932732U (en) | 1982-08-27 | 1982-08-27 | disc brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12927982U JPS5932732U (en) | 1982-08-27 | 1982-08-27 | disc brake device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5932732U JPS5932732U (en) | 1984-02-29 |
| JPS6234035Y2 true JPS6234035Y2 (en) | 1987-08-31 |
Family
ID=30292975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12927982U Granted JPS5932732U (en) | 1982-08-27 | 1982-08-27 | disc brake device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5932732U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61130747A (en) * | 1984-09-04 | 1986-06-18 | Kubota Ltd | Air conditioning system |
-
1982
- 1982-08-27 JP JP12927982U patent/JPS5932732U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5932732U (en) | 1984-02-29 |
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