JPH059540Y2

JPH059540Y2 -

Info

Publication number: JPH059540Y2
Application number: JP14622088U
Authority: JP
Priority date: 1988-11-09
Filing date: 1988-11-09
Publication date: 1993-03-09
Anticipated expiration: 2003-03-09
Also published as: JPH0267127U

Description

【考案の詳細な説明】（産業上の利用分野）本考案は車両用ブレーキ装置のデイスクロータ
に関するものであり、詳しくは、自動車、産業用
車両等に利用されるベンチレーテツドデイスクに
関するものである。[Detailed description of the invention] (Field of industrial application) The present invention relates to a disc rotor for a vehicle brake system, and more specifically, to a ventilated disc used in automobiles, industrial vehicles, etc. .

（従来の技術）ブレーキ制動時の鳴き防止対策を施したデイス
クロータとして、実開昭54−52576号公報に示す
ようなものがあり、このものは環状の摺動部と円
筒形のハツト部とを具備し、環状の摺動部の外周
に、環状溝が全周にわたつて形成され、環状溝と
係合するように金属ワイヤが巻き付けられてお
り、金属ワイヤは環状の摺動部の外周に対して一
個所以上で溶接によつて固着されている。(Prior art) There is a disk rotor that takes measures to prevent squealing during braking, as shown in Japanese Utility Model Application Publication No. 54-52576, which consists of an annular sliding part and a cylindrical hat part. An annular groove is formed around the entire circumference of the annular sliding part, a metal wire is wound around the annular groove so as to engage with the annular groove, and the metal wire is wrapped around the outer periphery of the annular sliding part. It is fixed by welding at one or more places to the

（考案が解決しようとする課題）従来のデイスクロータは摺動部と金属ワイヤと
の熱膨張係数の違い等によつて金属ワイヤの非溶
接部が環状の摺動部より浮き上がり、制動時に発
生するデイスクロータの振動を完全に吸収できな
いという問題点がある。そこで、本考案はかかる
問題点を解消するためになされたもので、摺動部
を改善することにより制動時に発生するデイスク
ロータの振動を早期に減衰させることを目的とす
る。(Problem to be solved by the invention) In conventional disc rotors, due to the difference in thermal expansion coefficient between the sliding part and the metal wire, the non-welded part of the metal wire lifts up from the annular sliding part, which occurs during braking. There is a problem that the vibration of the disc rotor cannot be completely absorbed. The present invention was devised to solve this problem, and aims to quickly attenuate the vibrations of the disc rotor that occur during braking by improving the sliding parts.

（課題を解決するための手段）本考案は、リブに半径方向の長さが異なる第１
〜２長穴を穿設し、環状部材が第１長穴の外側周
縁部および第２長穴の側壁部と係合したベンチレ
ーテツドデイスクである。(Means for solving the problem) The present invention provides first ribs with different lengths in the radial direction.
This is a ventilated disk in which two elongated holes are bored, and the annular member engages with the outer peripheral edge of the first elongated hole and the side wall of the second elongated hole.

（作用）本考案は上述のような構成であるので、摺動部
の振動がリブを介して環状部材に伝達され、環状
部材と長穴とが摩擦係合して該振動を早期に減衰
する。(Operation) Since the present invention has the above-mentioned configuration, the vibration of the sliding portion is transmitted to the annular member via the rib, and the annular member and the elongated hole frictionally engage to quickly damp the vibration.

（実施例）第１〜２図は本考案に係るベンチレーテツドデ
イスクの第１実施例であり、半径方向に延びる多
数のリブ１，１によつて環状の摺動部２，２が接
続されると共に、一側の摺動部２は円筒形のハツ
ト部３と接続され、リブ１，１には半径方向の長
円形の第１〜２長穴４，５，５が穿設され、第１
長穴４は軸心を介して対向する位置に適数個配設
されると共に、第１長穴４は第２長穴５，５より
も短く形成されている。丸棒状の環状部材６が第
１〜２長穴４，５，５を挿通し、環状部材６は第
１長穴４の外側周縁部および第２長穴５，５の側
壁部と係合している。(Embodiment) Figures 1 and 2 show a first embodiment of a ventilated disk according to the present invention, in which annular sliding parts 2, 2 are connected by a large number of ribs 1, 1 extending in the radial direction. At the same time, the sliding part 2 on one side is connected to a cylindrical hat part 3, and the ribs 1 and 1 are provided with first and second elongated holes 4, 5, and 5 that are oval in the radial direction. 1
An appropriate number of elongated holes 4 are arranged at opposing positions across the axis, and the first elongated hole 4 is formed shorter than the second elongated holes 5, 5. A round rod-shaped annular member 6 is inserted through the first to second elongated holes 4, 5, 5, and the annular member 6 engages with the outer peripheral edge of the first elongated hole 4 and the side wall of the second elongated hole 5, 5. ing.

本実施例は上述のような構成であり、摺動部
２，２の振動がリブ１，１を介して環状部材６に
伝達され、環状部材６と第１〜２長穴４，５，５
とが摩擦係合して該振動を早期に減衰する。 The present embodiment has the above-mentioned configuration, and the vibration of the sliding parts 2, 2 is transmitted to the annular member 6 via the ribs 1, 1, and
The vibrations are quickly damped through frictional engagement.

第３〜６図に他の実施例が示され、第３〜４図
は第２実施例、第５〜６図は第３実施例を示し、
第２実施例において、リブ１１，１１には半径方
向の矩形状の第１〜２長穴１４，１５，１５が穿
設され、第１長穴１４は軸心を介して対向する位
置に適数個配設されると共に、第１長穴１４は第
２長穴１５，１５よりも短く形成されている。角
棒状の環状部材１６が第１〜２長穴１４，１５，
１５を挿通し、環状部材１６は第１長穴１４の外
側周縁部および第２長穴１５，１５の側壁部と係
合している。 Other embodiments are shown in FIGS. 3-6, FIGS. 3-4 show the second embodiment, and FIGS. 5-6 show the third embodiment,
In the second embodiment, first and second rectangular elongated holes 14, 15, 15 are formed in the ribs 11, 11 in the radial direction, and the first elongated holes 14 are located at opposing positions across the axis. Several elongated holes are provided, and the first elongated hole 14 is formed shorter than the second elongated holes 15, 15. A square bar-shaped annular member 16 is connected to the first to second elongated holes 14, 15,
15, and the annular member 16 engages with the outer peripheral edge of the first elongated hole 14 and the side walls of the second elongated holes 15, 15.

第３実施例において、リブ２１，２１には半径
方向の長円形の第１〜２長穴２４，２５，２５が
穿設され、第１長穴２４は軸心を介して対向する
位置に適数個配設されると共に、第１長穴２４は
第２長穴２５，２５よりも短く形成されている。
一対の角棒状の環状部材２６，２６が第１〜２長
穴２４，２５，２５を挿通して連設され、環状部
材２６，２６は第１長穴２４の外側周縁部および
第２長穴２５，２５の側壁部と係合している。第
２〜３実施例において、上記以外は第１実施例と
同様に形成され、第１実施例と同様の作用を奏す
る。 In the third embodiment, first to second elongated holes 24, 25, 25 having oval shapes in the radial direction are bored in the ribs 21, 21, and the first elongated holes 24 are located at opposing positions across the axis. Several elongated holes are provided, and the first elongated hole 24 is formed shorter than the second elongated holes 25, 25.
A pair of rectangular rod-shaped annular members 26, 26 are inserted through the first to second elongated holes 24, 25, 25 and are connected to each other, and the annular members 26, 26 are connected to the outer peripheral edge of the first elongated hole 24 and the second elongated hole. It engages with the side wall portions 25, 25. The second and third embodiments are formed in the same manner as the first embodiment except for the above, and have the same functions as the first embodiment.

（考案の効果）本考案によれば、リブに半径方向の長さが異な
る第１〜２長穴を穿設し、環状部材が第１長穴の
外側周縁部および第２長穴の側壁部と係合するか
ら、環状部材が該長穴と摩擦係合してベンチレー
テツドデイスクの振動を早期に減衰できるので、
制動時に発生する鳴きが防止される。しかも、環
状部材が通気孔内を貫通しているので、冷却効果
が良好であり、安定した制動効果が得られる。(Effect of the invention) According to the invention, the first and second elongated holes having different radial lengths are formed in the rib, and the annular member forms the outer circumferential edge of the first elongated hole and the side wall of the second elongated hole. Since the annular member engages with the long hole, the vibration of the ventilated disk can be quickly damped by frictionally engaging the annular member with the elongated hole.
Squeal that occurs during braking is prevented. Moreover, since the annular member passes through the inside of the ventilation hole, the cooling effect is good and a stable braking effect can be obtained.

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示す正面図、第
２図は同断面図、第３図は本考案の第２実施例を
示す正面図、第４図は同断面図、第５図は本考案
の第３実施例を示す正面図、第６図は同断面図で
ある。１，１１，２１……リブ、４，１４，２４……
第１長穴、５，１５，２５……第２長穴、６，１
６，２６……環状部材。 1 is a front view showing the first embodiment of the present invention, FIG. 2 is a sectional view of the same, FIG. 3 is a front view of the second embodiment of the invention, FIG. 4 is a sectional view of the same, and FIG. The figure is a front view showing a third embodiment of the present invention, and FIG. 6 is a sectional view thereof. 1, 11, 21...rib, 4, 14, 24...
1st oblong hole, 5, 15, 25... 2nd oblong hole, 6, 1
6, 26... annular member.

Claims

[Scope of utility model registration request]

In a ventilated disk equipped with an annular member that engages with a rib, first to second elongated holes having different radial lengths are bored in the rib, and the annular member is provided with an outer peripheral edge of the first elongated hole and a second elongated hole. A ventilated disk characterized by engaging with a side wall of an elongated hole.