JPH07257333A - Manual brake device - Google Patents

Manual brake device

Info

Publication number
JPH07257333A
JPH07257333A JP5022894A JP5022894A JPH07257333A JP H07257333 A JPH07257333 A JP H07257333A JP 5022894 A JP5022894 A JP 5022894A JP 5022894 A JP5022894 A JP 5022894A JP H07257333 A JPH07257333 A JP H07257333A
Authority
JP
Japan
Prior art keywords
braking
brake lever
claw
brake
ratchet 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.)
Granted
Application number
JP5022894A
Other languages
Japanese (ja)
Other versions
JP3594647B2 (en
Inventor
Satoru Masuda
覚 増田
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.)
Otsuka Koki Co Ltd
Original Assignee
Otsuka Koki 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 Otsuka Koki Co Ltd filed Critical Otsuka Koki Co Ltd
Priority to JP5022894A priority Critical patent/JP3594647B2/en
Publication of JPH07257333A publication Critical patent/JPH07257333A/en
Application granted granted Critical
Publication of JP3594647B2 publication Critical patent/JP3594647B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Braking Elements And Transmission Devices (AREA)

Abstract

PURPOSE:To enable the release of braking without providing a release mechanism, and to prevent the generation of abrasion of members and the impact noise at the time of releasing by forming a lock mechanism, which can release the braking condition and which can brake again on the way, of a ratchet plate and a claw member. CONSTITUTION:When the force is applied to the tip of a brake lever 20 once in the braking condition, a claw member 30 is turned by the energizing force of an energizing member 40, and the claw end 35 is removed from a gear part 26 of a ratchet plate 25, and release of the braking is enbled so as to return the brake lever 20. On the way of the releasing the braking, when the brake lever 20 is reversely turned for braking operation, a relay claw 36 is pushed by the gear part 26 of the ratchet plate 25, and the claw member 30 is displaced to the operating position. Then, the energizing member 40 energizes the claw member 30 to a position, in which the claw end 35 is engaged with the gear part 26, and a brake cable C is pulled for braking by turning the brake lever 20 in this condition, and even if the brake lever 20 is released at a desired position, the brake lever 20 is constrained at this position to maintain the braking condition.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、車体に固着するベース
にブレーキレバーの基部を揺動可能に枢支し、該ブレー
キレバーの先端部に力を加え、該基部が変位することで
ブレーキケーブルを引いて制動をかけるようにしたマニ
ュアルブレーキ装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brake cable in which a base portion of a brake lever is pivotably supported on a base fixed to a vehicle body, a force is applied to a tip portion of the brake lever, and the base portion is displaced. The present invention relates to a manual brake device that pulls to apply braking.

【0002】[0002]

【従来の技術】例えば足踏み式のパーキングブレーキ等
のマニュアルブレーキ装置としては、車体に固着するベ
ースにブレーキレバーの基部を揺動可能に枢支し、その
先端部を操作者の近傍に延ばし、この先端部に力を加
え、このブレーキレバーの揺動に従いブレーキケーブル
を引いて制動をかけるようにしたものが知られている。
2. Description of the Related Art For example, as a manual brake device such as a foot-operated parking brake, a base of a brake lever is pivotably supported on a base fixed to a vehicle body, and its tip end is extended in the vicinity of an operator. It is known that a force is applied to the tip portion and a brake cable is pulled according to the swing of the brake lever to apply braking.

【0003】そして、この種のマニュアルブレーキ装置
は、通常ブレーキレバーの基端に直接ブレーキケーブル
を連結し、制動方向に揺動したブレーキレバーの戻りを
阻止するロック機構により制動状態を保持する構成であ
り、制動解除のためのリリース機構を備えたものが一般
的であった。
In this type of manual brake device, a brake cable is normally connected directly to the base end of the brake lever, and the braking state is maintained by a lock mechanism that prevents the brake lever from rocking in the braking direction from returning. There is a general release mechanism for releasing the braking.

【0004】すなわち、従来のマニュアルブレーキ装置
としては、ブレーキレバーの基端に外歯ラチェットプレ
ートを固設し、このラチェットプレートに係合する爪部
材をベースに揺動自在に取付け、前記ラチェットプレー
トを係合方向に付勢するスプリング等を設けるととも
に、前記ラチェットプレートを係合解除方向に押すリリ
ースレバーと、このリリースレバーを作動させるための
リリースケーブル及び操作具等を配設してなるものがあ
った。
That is, as a conventional manual brake device, an external tooth ratchet plate is fixedly mounted on the base end of a brake lever, and a pawl member engaging with the ratchet plate is swingably mounted on a base, and the ratchet plate is attached. In some of them, a spring or the like for urging in the engaging direction is provided, and a release lever for pushing the ratchet plate in the disengaging direction, a release cable for operating the release lever, an operating tool, and the like are provided. It was

【0005】[0005]

【発明が解決しようとする課題】しかしながら、このよ
うな従来のマニュアルブレーキ装置では、リリースケー
ブルや操作具等のリリース機構を別体に設けなければな
らず、構造が複雑になるとともに車両において前記操作
具等を配設するスペースも余分に必要になるという問題
があった。また、制動解除操作時における爪部材の係合
解除方向への揺動は、ラチェットプレートに係合した状
態のままで行なわれることになるから、爪部材の爪が制
動解除の度にラチェットプレートの歯と擦れ合うことに
なり、爪部材の磨耗が激しいので耐久性を確保するため
に厚くしたり高価な材質としなければならず、重くなっ
たりコスト高になるという問題があった。さらに、制動
解除時には、爪部材がラチェットプレートから外れた瞬
間にブレーキレバーが全くフリーになり、リターンスプ
リング等の復元力によりブレーキレバーが急激に非制動
保持位置に戻ることになり、振動や衝撃音が発生するの
で対策が必要になるという問題もあった。
However, in such a conventional manual brake device, a release mechanism such as a release cable and an operation tool has to be provided separately, which complicates the structure and causes the above-mentioned operation in a vehicle. There is a problem that an extra space for arranging the tools and the like is required. Further, when the brake releasing operation is performed, the pawl member swings in the engagement releasing direction while being engaged with the ratchet plate. Therefore, the pawl of the pawl member is released from the ratchet plate each time the brake is released. Since the teeth are rubbed against each other and the claw member is worn out severely, the claw member must be thickened or made of an expensive material in order to ensure durability, and there is a problem that it becomes heavy and costly. Furthermore, when the brake is released, the brake lever becomes completely free at the moment when the pawl member is disengaged from the ratchet plate, and the restoring force of the return spring or the like causes the brake lever to suddenly return to the non-braking holding position. There is also a problem that countermeasures are necessary because of the occurrence of the above.

【0006】本発明は、このような従来の問題点に鑑み
てなされたもので、リリース機構を設けることなく制動
解除ができ、制動解除時に部材の磨耗や衝撃音が生じ難
いマニュアルブレーキ装置を提供することを目的として
いる。
The present invention has been made in view of the above conventional problems, and provides a manual brake device which can release a brake without providing a release mechanism and which is unlikely to cause wear of members or impact noise when the brake is released. The purpose is to do.

【0007】[0007]

【課題を解決するための手段】かかる目的を達成するた
めの本発明の要旨とするところは、 1 車体に固着するベース(10)にブレーキレバー
(20)の基部(22)を揺動可能に枢支し、該ブレー
キレバー(20)の先端部に力を加え、該基部(22)
が変位することでブレーキケーブル(C)を引いて制動
をかけるようにしたマニュアルブレーキ装置において、
前記ブレーキレバー(20)の基部(22)に固設さ
れ、周縁に歯部(26)が形成されたラチェットプレー
ト(25)と、該ラチェットプレート(25)の歯部
(26)に爪端(35)が係脱する爪部材(30)と
で、制動状態から前記ブレーキレバー(20)の先端部
に力を加えることで該爪部材(30)の爪端(35)が
該ラチェットプレート(25)の歯部(26)から外れ
て前記ブレーキレバー(20)を戻せる制動解除可能と
なり、該ブレーキレバー(20)を戻す途中でまた制動
方向に力を加え直すと爪部材(30)の爪端(35)が
該ラチェットプレート(25)の歯部(26)に噛合す
る制動状態にできるロック機構を構成したことを特徴と
するマニュアルブレーキ装置。
The gist of the present invention for achieving the above-mentioned object is: (1) A base (22) of a brake lever (20) is swingable on a base (10) fixed to a vehicle body. Pivot and apply force to the tip of the brake lever (20),
In the manual braking device, which is adapted to pull by pulling the brake cable (C) when it is displaced,
A ratchet plate (25) fixed to the base (22) of the brake lever (20) and having teeth (26) formed on the periphery thereof, and a claw end () on the teeth (26) of the ratchet plate (25). The pawl member (30) with which the pawl member (35) engages and disengages, and the pawl end (35) of the pawl member (30) is applied to the ratchet plate (25) by applying a force to the tip of the brake lever (20) from the braking state. ), The brake lever (20) can be released from the tooth portion (26) and the brake can be released. If force is applied again in the braking direction while the brake lever (20) is being returned, the claw end of the claw member (30) can be released. A manual brake device characterized in that a lock mechanism is provided in which (35) meshes with a tooth portion (26) of the ratchet plate (25) to bring about a braking state.

【0008】2 車体に固着するベース(10)にブレ
ーキレバー(20)の基部(22)を揺動可能に枢支
し、該ブレーキレバー(20)の先端部に力を加え、該
基部(22)が変位することでブレーキケーブル(C)
を引いて制動をかけるようにしたマニュアルブレーキ装
置において、前記ブレーキレバー(20)の基部(2
2)に固設され、周縁に歯部(26)が形成されたラチ
ェットプレート(25)と、該ラチェットプレート(2
5)の歯部(26)に爪端(35)が係脱する爪部材
(30)とでロック機構を構成し、前記爪部材(30)
を、前記ブレーキレバー(20)の踏み込み動作中に位
置する動作位置と、前記ラチェットプレート(25)の
歯部(26)に噛合して制動力が加わったときに該動作
位置から移動する位置である制動保持位置とに移動変位
可能に支持し、前記制動保持位置では、爪端(35)が
前記ラチェットプレート(25)の歯部(26)から離
間する方向に該爪部材(30)を付勢する一方、前記動
作位置では爪端(35)が噛合する方向に付勢する付勢
部材(40)を設け、前記制動保持位置において、前記
爪端(35)が前記ラチェットプレート(25)の歯部
(26)から離間して前記爪部材(30)が揺動したと
き、逆に該歯部(26)に噛合する中継爪36を前記爪
端(35)とは離れた位置の該爪部材(30)の端部に
枢着し、かつ、該中継爪36が該歯部に噛合している状
態で前記ブレーキレバー(20)を踏み込んだとき該歯
部(26)に押されて該爪部材(30)を動作位置に変
位させるよう該中継爪(36)を配設したことを特徴と
するマニュアルブレーキ装置に存する。
2 A base portion (22) of a brake lever (20) is swingably supported on a base (10) fixed to a vehicle body, and a force is applied to a tip portion of the brake lever (20) so that the base portion (22). ) Is displaced, the brake cable (C)
In the manual braking device for pulling the brake to apply the brake, the base portion (2) of the brake lever (20) is
A ratchet plate (25) fixed to (2) and having teeth (26) formed on the periphery thereof, and the ratchet plate (2)
A locking mechanism is constituted by the claw member (30) with which the claw end (35) is engaged and disengaged with the tooth portion (26) of 5), and the claw member (30) is provided.
At the operating position located during the stepping operation of the brake lever (20) and the position where the ratchet plate (25) is moved from the operating position when a braking force is applied by meshing with the tooth portion (26) of the ratchet plate (25). It is movably supported at a certain braking holding position, and at the braking holding position, the pawl member (30) is attached in a direction in which the pawl end (35) is separated from the tooth portion (26) of the ratchet plate (25). On the other hand, a biasing member (40) is provided that biases the claw end (35) in the direction in which the claw end (35) meshes with the ratchet plate (25) at the braking holding position. When the claw member (30) swings away from the tooth part (26), the relay claw 36 meshing with the tooth part (26) is, on the contrary, located at a position apart from the claw end (35). Pivotally attached to the end of the member (30) and When the brake lever (20) is depressed with the joint pawl 36 meshing with the tooth portion, the relay pawl is pushed by the tooth portion (26) to displace the pawl member (30) to the operating position. (36) is provided in the manual brake device.

【0009】[0009]

【作用】ブレーキレバー(20)の先端部に力を加える
とベース(10)に対してブレーキレバー(20)の基
部(22)が揺動し、基部(22)が変位することでブ
レーキケーブル(C)が引かれて制動がかけられる。す
なわち、ブレーキレバー(20)の基部(22)が変位
すると、基部(22)に固設されていて周縁に歯部(2
6)が形成されたラチェットプレート(25)も変位
し、ラチェットプレート(25)の歯部(26)に弾撥
的に押し付けられている爪部材(30)の爪端(35)
が歯部(26)を乗り越えて移動する。
When a force is applied to the tip portion of the brake lever (20), the base portion (22) of the brake lever (20) swings with respect to the base (10), and the base portion (22) is displaced, whereby the brake cable ( C) is pulled and braking is applied. That is, when the base portion (22) of the brake lever (20) is displaced, it is fixed to the base portion (22) and the tooth portion (2
The ratchet plate (25) formed with 6) is also displaced, and the pawl end (35) of the pawl member (30) is elastically pressed against the tooth portion (26) of the ratchet plate (25).
Moves over the teeth (26).

【0010】所望の位置でブレーキレバー(20)の先
端部に力を加えるのをやめると、制動反力により引かれ
ているブレーキケーブル(C)がブレーキレバー(2
0)の基部(22)を引いて揺動させようとするが、爪
部材(30)の爪端(35)が歯部(26)に噛合して
それを抑え、ロック機構により制動状態が保たれる。
When the application of force to the tip of the brake lever (20) is stopped at the desired position, the brake cable (C) pulled by the braking reaction force causes the brake lever (2) to move.
0) pulls the base portion (22) of the claw member (30) to swing it, but the claw end (35) of the claw member (30) meshes with the tooth portion (26) to suppress it, and the braking state is maintained by the lock mechanism. Be drunk

【0011】制動状態からブレーキレバー(20)の先
端部に一度力を加えると、爪部材(30)の爪端(3
5)がラチェットプレート(25)の歯部(26)から
外れてブレーキレバー(20)を戻せる制動解除可能と
なり、それから力を抜くと、制動反力によりブレーキレ
バー(20)が戻り制動解除することができる。
Once a force is applied to the tip of the brake lever (20) from the braking state, the claw end (3) of the claw member (30) is
5) The brake lever can be released by releasing the brake lever (20) from the tooth portion (26) of the ratchet plate (25), and when the force is removed from it, the brake lever (20) returns and the brake is released by the braking reaction force. You can

【0012】ブレーキレバー(20)を戻して制動を解
除している途中で再度制動する必要が生じた場合、また
制動方向に力を加え直すとすなわちブレーキレバー(2
0)の先端部に力を加えると爪部材(30)の爪端(3
5)がラチェットプレート(25)の歯部(26)に噛
合する制動状態になり、十分にブレーキレバー(20)
を回動させれば前記と同様に制動をかけて保持すること
ができる。この動作は制動解除状態から制動をかける場
合も同様である。
When it becomes necessary to brake again while the brake lever (20) is released and the brake is released, if the force is reapplied in the braking direction, that is, the brake lever (2
0) when force is applied to the tip end of the claw member (30).
5) is in a braking state where it meshes with the tooth portion (26) of the ratchet plate (25), and the brake lever (20) is sufficiently
If is rotated, it can be braked and held as described above. This operation is the same when the brake is applied from the brake release state.

【0013】より具体的には、ブレーキレバー(20)
の制動動作中に爪部材(30)は動作位置に位置してい
て付勢部材(40)により爪端(35)が噛合する方向
に付勢されており、この状態でブレーキレバー(20)
の先端部に力を加えると前記のようにブレーキレバー
(20)の基部(22)が変位し、ラチェットプレート
(25)の歯部(26)に弾撥的に押し付けられている
爪部材(30)の爪端(35)が歯部(26)を乗り越
えて移動する。
More specifically, the brake lever (20)
During the braking operation of, the pawl member (30) is located at the operating position and is urged by the urging member (40) in the direction in which the pawl end (35) is engaged, and in this state, the brake lever (20).
When a force is applied to the tip of the ratchet, the base (22) of the brake lever (20) is displaced as described above, and the claw member (30) is elastically pressed against the tooth (26) of the ratchet plate (25). The claw end (35) of () moves over the tooth portion (26).

【0014】そして、制動がかかった所望の位置でブレ
ーキレバー(20)の先端部に加えた力を抜いて開放す
ると、制動反力でブレーキレバー(20)が逆方向に回
動しようとするが、ラチェットプレート(25)の歯部
(26)に爪部材(30)の爪端(35)が噛合するの
で、制動反力が加わったときに爪部材(30)は動作位
置から制動保持位置に移動する。
When the force applied to the tip of the brake lever (20) is released and released at the desired position where the brake is applied, the brake lever (20) tries to rotate in the opposite direction due to the braking reaction force. , The pawl end (35) of the pawl member (30) meshes with the tooth portion (26) of the ratchet plate (25), so that when the braking reaction force is applied, the pawl member (30) moves from the operating position to the braking holding position. Moving.

【0015】爪部材(30)が制動保持位置に移動する
と、付勢部材(40)は今度は爪端(35)がラチェッ
トプレート(25)の歯部(26)から離間する方向に
爪部材(30)を付勢している。ただ制動反力が加わっ
ていて爪端(35)が強くラチェットプレート(25)
の歯部(26)に噛合して押し付けられているので、爪
部材(30)は爪端(35)がラチェットプレート(2
5)の歯部(26)の移動を抑えた状態を維持する。
When the pawl member (30) moves to the braking holding position, the biasing member (40) in turn causes the pawl end (35) to move away from the tooth portion (26) of the ratchet plate (25). 30). However, the braking reaction force is applied and the claw end (35) is strong, and the ratchet plate (25) is strong.
Since it is engaged with and pressed against the tooth portion (26) of the ratchet member (30), the claw end (35) of the claw member (30) has a ratchet plate (2).
5) The state in which the movement of the tooth portion (26) is suppressed is maintained.

【0016】制動状態からブレーキレバー(20)の先
端部に一度力を加えると、付勢部材(40)の付勢力に
より爪部材(30)が回動し、爪端(35)がラチェッ
トプレート(25)の歯部(26)から外れてブレーキ
レバー(20)を戻せる制動解除可能となる。このとき
爪端(35)とは離れた位置にある中継爪(36)は逆
に歯部(26)に噛合し、ブレーキレバー(20)の先
端部に加えていた力を抜くと中継爪(36)は歯部(2
6)を乗り越えて移動し、制動反力によりブレーキレバ
ー(20)が戻り制動解除することができる。
Once a force is applied to the tip of the brake lever (20) from the braking state, the pawl member (30) is rotated by the urging force of the urging member (40) and the pawl end (35) is moved to the ratchet plate ( The brake can be released by releasing the brake lever (20) from the tooth portion (26) of (25). At this time, the relay claw (36) located at a position apart from the claw end (35) meshes with the tooth portion (26) in reverse, and when the force applied to the tip of the brake lever (20) is removed, the relay claw (36) is released. 36) is the tooth portion (2
6), the brake lever (20) can be returned by the reaction force of the brake and the brake can be released.

【0017】制動解除の途中から反転してブレーキレバ
ー(20)に制動動作をさせると、中継爪(36)がラ
チェットプレート(25)の歯部(26)に押され爪部
材(30)が動作位置に変位する。動作位置では、付勢
部材(40)は爪部材(30)を爪端(35)がラチェ
ットプレート(25)の歯部(26)に噛合する状態に
付勢しており、そのままブレーキレバー(20)を回動
させればブレーキケーブル(C)が引かれて制動がかけ
られ、所望の位置でブレーキレバー(20)を離しても
前記のようにブレーキレバー(20)は当該位置に拘束
されて制動状態が保たれる。
When the brake lever (20) is braked by reversing it during the brake release, the relay pawl (36) is pushed by the tooth portion (26) of the ratchet plate (25) and the pawl member (30) operates. Displace to position. In the operating position, the biasing member (40) biases the pawl member (30) such that the pawl end (35) meshes with the tooth portion (26) of the ratchet plate (25), and the brake lever (20) remains as it is. ), The brake cable (C) is pulled and braking is applied, and even if the brake lever (20) is released at a desired position, the brake lever (20) is restrained at that position as described above. The braking state is maintained.

【0018】完全制動解除したとき、爪部材(30)
は、動作位置で中継爪(36)がラチェットプレート
(25)の歯部(26)に噛合した状態の図4に示す姿
勢になっており、制動をかけるためにブレーキレバー
(20)を踏み込んで制動動作をさせると、制動解除の
途中から反転してブレーキレバー(20)に制動動作を
させるときと同様に、中継爪(36)がラチェットプレ
ート(25)の歯部(26)に押されて図1に示す姿勢
になる。
When the complete braking is released, the claw member (30)
Has the posture shown in FIG. 4 in which the relay pawl (36) meshes with the tooth portion (26) of the ratchet plate (25) in the operating position, and the brake lever (20) is depressed to apply the braking. When the braking operation is performed, the relay claw (36) is pushed by the tooth portion (26) of the ratchet plate (25) as in the case where the brake lever (20) is reversed during the braking release and the braking operation is performed by the brake lever (20). The posture shown in FIG. 1 is obtained.

【0019】[0019]

【実施例】以下、図1〜図6を参照して本発明の一実施
例を説明する。本実施例におけるマニュアルブレーキ装
置は足踏み式であり、車体に固着するベース10にブレ
ーキレバー20の基部22が枢軸21により揺動可能に
枢支されている。基部22には連結具C1を介してブレ
ーキケーブルCが連結され、ブレーキレバー20の図示
省略した先端部には足踏みパッド部が設けられており、
この足踏みパッド部に力を加え、基部22が変位するこ
とでブレーキケーブルCが引かれて制動がかけられるも
のである。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The manual brake device in this embodiment is a foot-operated type, and a base portion 22 of a brake lever 20 is pivotally supported by a pivot shaft 21 on a base 10 fixed to a vehicle body. A brake cable C is connected to the base portion 22 via a connecting member C1, and a foot pad portion is provided at a tip end portion (not shown) of the brake lever 20.
The brake cable C is pulled by applying a force to the foot pad portion and the base portion 22 is displaced, so that braking is applied.

【0020】ブレーキレバー20の基部22の端縁には
ラチェットプレート25が固設されている。ラチェット
プレート25の周縁には枢軸21を中心にした歯形をし
ている歯部26が形成されており、歯部26を臨んで爪
部材30が配設されている。爪部材30はラチェットプ
レート25の歯部26に係脱する爪端35を有してい
る。
A ratchet plate 25 is fixedly attached to the edge of the base portion 22 of the brake lever 20. A tooth portion 26 having a tooth shape centered on the pivot 21 is formed on the peripheral edge of the ratchet plate 25, and a claw member 30 is arranged facing the tooth portion 26. The claw member 30 has a claw end 35 that engages with and disengages from the tooth portion 26 of the ratchet plate 25.

【0021】ラチェットプレート25と爪部材30と
で、制動状態から前記ブレーキレバー20の先端部の足
踏みパッド部に力を加えることで爪部材30の爪端35
がラチェットプレート25の歯部26から外れてブレー
キレバー20を戻せる制動解除可能となり、ブレーキレ
バー20を戻す途中でまた制動方向に力を加え直すと爪
部材30の爪端35がラチェットプレート25の歯部2
6に噛合する制動状態にできるロック機構が構成されて
いる。
The ratchet plate 25 and the claw member 30 apply a force to the stepping pad portion at the tip of the brake lever 20 from the braking state to cause the claw end 35 of the claw member 30.
Is disengaged from the tooth portion 26 of the ratchet plate 25, and the brake lever 20 can be released, so that the brake can be released. Part 2
A lock mechanism that engages with 6 and can be brought into a braking state is configured.

【0022】爪部材30は、ベース10に固設された支
持ピン31に中央部に穿設された長溝32を嵌合させて
支持されており、支持ピン31が長溝32の一端から他
端に相対的に摺動することで、ブレーキレバー20の制
動動作中に位置する図1および図2に示す動作位置と、
爪端35がラチェットプレート25の歯部26に噛合し
て制動力が加わったときに該動作位置から移動する位置
である図3および図4に示す制動保持位置とに移動変位
可能に支持されるとともに、支持ピン31回りに揺動可
能に支持されている。
The claw member 30 is supported by fitting a long groove 32 formed in the central portion into a support pin 31 fixed to the base 10, and the support pin 31 extends from one end of the long groove 32 to the other end. By relatively sliding, the operating position shown in FIG. 1 and FIG. 2 located during the braking operation of the brake lever 20,
The pawl end 35 is movably supported at a braking holding position shown in FIGS. 3 and 4, which is a position which moves from the operating position when the pawl end 35 meshes with the tooth portion 26 of the ratchet plate 25 and a braking force is applied. At the same time, it is swingably supported around the support pin 31.

【0023】支持ピン31の尾端を臨んでコイルばねで
ある付勢部材40が配設されており、付勢部材40は、
制動保持位置では、爪端35が前記ラチェットプレート
25の歯部26から離間する方向に爪部材30を付勢す
る一方、動作位置では爪端35が噛合する方向に付勢す
るよう配設されている。
A biasing member 40, which is a coil spring, is disposed facing the tail end of the support pin 31, and the biasing member 40 is
In the braking holding position, the pawl end 35 urges the pawl member 30 in a direction away from the tooth portion 26 of the ratchet plate 25, while in the operating position, the pawl end 35 is arranged to urge in a direction in which the pawl end 35 engages. There is.

【0024】すなわち、付勢部材40はコイル部41と
開脚方向に付勢された脚部42,43を有し、脚部42
の係合端42aはベース10に係合し、脚部43の係合
端43aは爪部材30の尾端の切欠33に係合してい
る。そして、図2でわかるように動作位置では係合端4
2a,43aを結んだ作用線aが支持ピン31に対して
爪端35と同じ側にあり、図3でわかるように制動保持
位置では係合端42a,43aを結んだ作用線aが支持
ピン31に対して爪端35と反対側になるよう配設され
ている。
That is, the urging member 40 has a coil portion 41 and leg portions 42 and 43 which are urged in the leg opening direction.
The engaging end 42a of the is engaged with the base 10, and the engaging end 43a of the leg portion 43 is engaged with the notch 33 at the tail end of the claw member 30. Then, as can be seen in FIG. 2, the engaging end 4 is in the operating position.
The line of action a connecting 2a and 43a is on the same side as the claw end 35 with respect to the support pin 31, and as can be seen in FIG. 3, the line of action a connecting the engaging ends 42a and 43a is the support pin at the braking holding position. It is arranged on the side opposite to the claw end 35 with respect to 31.

【0025】制動保持位置において爪端35がラチェッ
トプレート25の歯部26から離間して爪部材30が揺
動したとき、逆に該歯部26に噛合する中継爪36が爪
端35とは離れた位置の該爪部材30の端部に枢着ピン
38で枢着されている。
When the pawl end 35 is separated from the tooth portion 26 of the ratchet plate 25 and the pawl member 30 is swung in the braking holding position, the relay pawl 36 meshing with the tooth portion 26 is separated from the pawl end 35. It is pivotally attached to the end of the claw member 30 in the open position by a pivot pin 38.

【0026】中継爪36は、保持ばね37で一定の姿勢
に弾撥的に保持され、中継爪36がラチェットプレート
25の歯部26に噛合している状態でブレーキレバー2
0を踏み込んだとき歯部26に押されて爪部材30を動
作位置に変位させるよう配設されている。
The relay pawl 36 is elastically held in a fixed posture by a holding spring 37, and when the relay pawl 36 meshes with the tooth portion 26 of the ratchet plate 25, the brake lever 2 is held.
It is arranged so that when the user depresses 0, it is pushed by the tooth portion 26 to displace the claw member 30 to the operating position.

【0027】次に作用を説明する。ブレーキレバー20
の先端部の足踏みパッド部に力を加えるとベース10に
対してブレーキレバー20の基部22が揺動し、基部2
2が変位することで連結具C1によりブレーキケーブル
Cが引かれて制動がかけられる。
Next, the operation will be described. Brake lever 20
When a force is applied to the stepping pad portion at the tip of the base portion of the brake lever 20 swings with respect to the base 10, the base portion 2
When 2 is displaced, the brake cable C is pulled by the connecting tool C1 and braking is applied.

【0028】すなわち、図1に示す爪部材30が動作位
置にある状態からブレーキレバー20の先端部の足踏み
パッド部を踏み込むとブレーキレバー20は時計方向に
回動し、基部22が変位する。それに従い、基部22に
固設されていて周縁に歯部26が形成されたラチェット
プレート25も変位し、ラチェットプレート25の歯部
26に弾撥的に押し付けられている爪部材30の爪端3
5が歯部26を乗り越えて移動する。
That is, when the foot pad portion at the tip of the brake lever 20 is depressed from the state where the claw member 30 shown in FIG. 1 is in the operating position, the brake lever 20 rotates clockwise and the base 22 is displaced. Accordingly, the ratchet plate 25 fixed to the base portion 22 and having the teeth portion 26 formed on the periphery is also displaced, and the claw end 3 of the claw member 30 elastically pressed against the tooth portion 26 of the ratchet plate 25.
5 moves over the tooth portion 26 and moves.

【0029】所望の位置でブレーキレバー20の先端部
の足踏みパッド部に力を加えるのをやめて開放すると、
制動反力により引かれているブレーキケーブルCがブレ
ーキレバー20の基部22を引いて反時計方向に揺動さ
せようとするが、爪部材30の爪端35が歯部26に噛
合してそれを抑え、ロック機構により制動状態が保たれ
る。
At the desired position, when the force is released from the foot pad portion at the tip of the brake lever 20 and the brake pad is released,
The brake cable C pulled by the braking reaction force pulls the base portion 22 of the brake lever 20 and tries to swing it counterclockwise, but the claw end 35 of the claw member 30 meshes with the tooth portion 26 and locks it. The braking state is maintained by the restraint and lock mechanism.

【0030】ブレーキレバー20を図1および図2にお
いて時計方向に回動させる制動動作中に爪部材30は動
作位置に位置していて付勢部材40により爪端35が噛
合する方向に付勢されており、この状態でブレーキレバ
ー20の先端部の足踏みパッド部に力を加えると、図2
に示すように、ブレーキレバー20の基部22が変位
し、ラチェットプレート25の歯部26に弾撥的に押し
付けられている爪部材30の爪端35が歯部26を乗り
越えて移動する。
During the braking operation of rotating the brake lever 20 clockwise in FIGS. 1 and 2, the pawl member 30 is in the operating position and is biased by the biasing member 40 in the direction in which the pawl end 35 meshes. In this state, if a force is applied to the foot pad portion at the tip of the brake lever 20,
As shown in FIG. 5, the base 22 of the brake lever 20 is displaced, and the claw end 35 of the claw member 30 elastically pressed against the tooth 26 of the ratchet plate 25 moves over the tooth 26.

【0031】そして、制動がかかった所望の位置でブレ
ーキレバー20の先端部の足踏みパッド部に加えた力を
抜いて開放すると、制動反力でブレーキレバー20が逆
方向に回動しようとするが、ラチェットプレート25の
歯部26に爪部材30の爪端35が噛合するので、図3
に示すように、制動反力が加わったときに爪部材30は
動作位置から制動保持位置に移動する。
When the force applied to the foot pad portion at the tip of the brake lever 20 is released and released at the desired position where the brake is applied, the brake reaction force causes the brake lever 20 to rotate in the opposite direction. Since the claw end 35 of the claw member 30 meshes with the tooth portion 26 of the ratchet plate 25, as shown in FIG.
As shown in, when the braking reaction force is applied, the claw member 30 moves from the operating position to the braking holding position.

【0032】爪部材30が制動保持位置に移動すると、
付勢部材40は今度は爪端35がラチェットプレート2
5の歯部26から離間する方向に爪部材30を付勢する
ようになる。ただ制動反力が加わっていて爪端35が強
くラチェットプレート25の歯部26に噛合して押し付
けられているので、摩擦力により爪部材30は爪端35
がラチェットプレート25の歯部26に噛合して移動を
抑えた状態を維持する。
When the claw member 30 moves to the braking holding position,
As for the biasing member 40, the ratchet plate 2 has the claw end 35 this time.
The claw member 30 is biased in the direction away from the tooth portion 26 of No. 5. However, since the braking reaction force is applied and the claw end 35 is strongly meshed and pressed against the tooth portion 26 of the ratchet plate 25, the claw member 30 is pressed by the frictional force.
Engages with the tooth portion 26 of the ratchet plate 25 to keep the movement thereof.

【0033】制動状態からブレーキレバー20の先端部
の足踏みパッド部に一度力を加えると、制動反力が爪部
材30の爪端35とラチェットプレート25の歯部26
との間に加わらなくなるので、図4に示すように、付勢
部材40の付勢力により爪部材30が回動し、爪端35
がラチェットプレート25の歯部26から外れてブレー
キレバー20を戻せる制動解除可能となる。このとき、
爪端35とは離れた位置にある中継爪36は逆に歯部2
6に噛合し、ブレーキレバー20の先端部の足踏みパッ
ド部に加えていた力を抜くと中継爪36は歯部26を乗
り越えて移動し、制動反力によりブレーキレバー20が
戻り、制動解除することができる。
Once a force is applied to the foot pad portion at the tip of the brake lever 20 from the braking state, the braking reaction force causes the pawl end 35 of the pawl member 30 and the tooth portion 26 of the ratchet plate 25.
4, the claw member 30 is rotated by the urging force of the urging member 40, and the claw end 35 is rotated as shown in FIG.
Is disengaged from the tooth portion 26 of the ratchet plate 25, and the brake can be released so that the brake lever 20 can be returned. At this time,
On the contrary, the relay claw 36, which is located away from the claw end 35, has the teeth 2
6 is engaged and the force applied to the foot pad portion at the tip of the brake lever 20 is removed, the relay pawl 36 moves over the tooth portion 26 and moves, and the brake lever 20 returns due to the braking reaction force to release the brake. You can

【0034】ブレーキレバー20を戻して制動を解除し
ている途中で再度制動する必要が生じた場合、また制動
方向に力を加え直すと、すなわちブレーキレバー20の
先端部の足踏みパッド部に力を加えると爪部材30が図
5から図6〜図1に示すように回動され、爪端35がラ
チェットプレート25の歯部26に噛合する制動状態に
なり、十分にブレーキレバー20を回動させれば前記と
同様に制動をかけて保持することができる。
When it is necessary to re-braking while the brake lever 20 is returned and the braking is released, the force is reapplied in the braking direction, that is, the force is applied to the foot pad portion at the tip of the brake lever 20. When added, the pawl member 30 is rotated as shown in FIGS. 5 to 6 to 1, and the pawl end 35 is brought into a braking state in which it engages with the tooth portion 26 of the ratchet plate 25, and the brake lever 20 is rotated sufficiently. Then, similarly to the above, it is possible to apply the brake and hold the brake.

【0035】より詳しくは、制動解除の途中から反転し
てブレーキレバー20に制動動作をさせると、中継爪3
6がラチェットプレート25の歯部26に押され、保持
ばね37の撓みで変位の逃げを取りながら図5から図6
〜図1に示すように姿勢を変えて回動し、爪部材30が
動作位置に変位する。動作位置では、付勢部材40は爪
部材30を爪端35がラチェットプレート25の歯部2
6に噛合する状態に付勢しており、そのままブレーキレ
バー20を回動させればブレーキケーブルCが引かれて
制動がかけられ、所望の位置でブレーキレバー20を離
しても前記のようにブレーキレバー20は当該位置に拘
束されて制動状態が保たれる。
More specifically, when the brake lever 20 performs a braking operation by reversing during the braking release, the relay pawl 3
6 is pushed by the tooth portion 26 of the ratchet plate 25, and the deflection of the holding spring 37 allows the displacement to escape, and FIGS.
~ As shown in Fig. 1, the posture is changed to rotate and the claw member 30 is displaced to the operating position. In the operating position, the urging member 40 has the claw member 30 and the claw end 35 has the tooth portion 2 of the ratchet plate 25.
When the brake lever 20 is rotated as it is, the brake cable C is pulled and braking is applied. Even if the brake lever 20 is released at a desired position, the brake is applied as described above. The lever 20 is restrained in the position and the braking state is maintained.

【0036】完全制動解除したとき、爪部材30は、動
作位置で中継爪36がラチェットプレート25の歯部2
6に噛合した状態の図4に示す状態になっており、制動
をかけるためにブレーキレバー20を踏み込んで制動動
作をさせると、制動解除の途中から反転してブレーキレ
バー20に制動動作をさせるときと同様に、中継爪36
がラチェットプレート25の歯部26に押されて図1に
示す姿勢になる。
When the complete braking is released, the pawl member 30 has the relay pawl 36 in the operating position and the tooth portion 2 of the ratchet plate 25.
When the brake lever 20 is stepped on for braking and the braking operation is performed, the brake lever 20 is reversed from the middle of the brake release and the braking operation is performed by the brake lever 20. Similarly to the relay claw 36
Is pushed by the tooth portion 26 of the ratchet plate 25 to assume the posture shown in FIG.

【0037】[0037]

【発明の効果】本発明のマニュアルブレーキ装置によれ
ば、ブレーキレバーを再度操作することで制動ロック状
態が解除されるので、ロック解除用のリリースケーブル
や操作具といった別体の構成を設ける必要がなく構造が
簡単になりコスト低減が図れるとともに、車両における
装置の設置スペースを縮小することができる効果があ
る。
According to the manual brake device of the present invention, since the braking lock state is released by operating the brake lever again, it is necessary to provide a separate structure such as a release cable for unlocking and an operating tool. The structure is simple and the cost can be reduced, and the installation space of the device in the vehicle can be reduced.

【0038】また、制動解除途中でも、再度制動動作に
反転動作することにより、再度制動状態にすることがで
き、きわめて使い勝手のよいものとなる。
Further, even while the braking is being released, the braking state can be restored by reversing the braking operation, which is extremely convenient.

【0039】また、爪部材のラチェットプレートへの係
合を擦れ合うことなく解除することができるので、爪部
材の爪あるいはラチェットプレートの歯部の磨耗が少な
く、制動ロック動作の信頼性を長期間にわたって確保し
易くなる。また、制動ロック状態を解除するときには、
ブレーキレバーが一旦押された後戻されることになるの
で、ブレーキレバーが運転者の足等の引戻し動作に従っ
て徐々に非制動保持位置に戻ることになり、制動解除時
に振動や衝撃音が発生し難くなるという効果もある。
Further, since the engagement of the pawl member with the ratchet plate can be released without rubbing, the pawl of the pawl member or the tooth portion of the ratchet plate is less worn, and the reliability of the braking lock operation is maintained for a long period of time. It becomes easy to secure. Also, when releasing the braking lock state,
Since the brake lever is pushed once and then returned, the brake lever gradually returns to the non-braking holding position according to the pulling back operation of the driver's foot, etc., and vibration and impact noise are less likely to occur when braking is released. There is also the effect of becoming.

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

【図1】本発明の一実施例であるマニュアルブレーキ装
置の要部を示す正面図である。
FIG. 1 is a front view showing a main part of a manual brake device according to an embodiment of the present invention.

【図2】本発明の一実施例であるマニュアルブレーキ装
置の動作説明図である。
FIG. 2 is an operation explanatory view of the manual brake device which is one embodiment of the present invention.

【図3】本発明の一実施例であるマニュアルブレーキ装
置の動作説明図である。
FIG. 3 is an operation explanatory view of the manual brake device which is one embodiment of the present invention.

【図4】本発明の一実施例であるマニュアルブレーキ装
置の動作説明図である。
FIG. 4 is an operation explanatory view of the manual brake device which is one embodiment of the present invention.

【図5】本発明の一実施例であるマニュアルブレーキ装
置の動作説明図である。
FIG. 5 is an operation explanatory view of the manual brake device according to the embodiment of the present invention.

【図6】本発明の一実施例であるマニュアルブレーキ装
置の動作説明図である。
FIG. 6 is an operation explanatory view of the manual brake device according to the embodiment of the present invention.

【符号の説明】[Explanation of symbols]

C…ブレーキケーブル 10…ベース 20…ブレーキレバー 22…基部 30…爪部材 31…支持ピン 32…長溝 33…切欠 35…爪端 36…中継爪 40…付勢部材 C ... Brake cable 10 ... Base 20 ... Brake lever 22 ... Base part 30 ... Claw member 31 ... Support pin 32 ... Long groove 33 ... Notch 35 ... Claw end 36 ... Relay claw 40 ... Biasing member

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】車体に固着するベースにブレーキレバーの
基部を揺動可能に枢支し、該ブレーキレバーの先端部に
力を加え、該基部が変位することでブレーキケーブルを
引いて制動をかけるようにしたマニュアルブレーキ装置
において、 前記ブレーキレバーの基部に固設され、周縁に歯部が形
成されたラチェットプレートと、該ラチェットプレート
の歯部に爪端が係脱する爪部材とで、制動状態から前記
ブレーキレバーの先端部に力を加えることで該爪部材の
爪端が該ラチェットプレートの歯部から外れて前記ブレ
ーキレバーを戻せる制動解除可能となり、該ブレーキレ
バーを戻す途中でまた制動方向に力を加え直すと爪部材
の爪端が該ラチェットプレートの歯部に噛合する制動状
態にできるロック機構を構成したことを特徴とするマニ
ュアルブレーキ装置。
1. A brake lever base is pivotably supported on a base fixed to a vehicle body, a force is applied to the tip of the brake lever, and the base is displaced to pull a brake cable for braking. In the manual brake device configured as described above, a braking state is provided by a ratchet plate that is fixed to the base of the brake lever and has teeth formed on its peripheral edge, and a pawl member whose pawl end engages and disengages with the teeth of the ratchet plate. By applying a force to the tip of the brake lever, the claw end of the claw member is disengaged from the tooth portion of the ratchet plate, and the brake lever can be returned so that the brake can be released. A manual mechanism characterized in that when a force is reapplied, the pawl end of the pawl member is brought into a braking state in which the pawl end meshes with the tooth portion of the ratchet plate. Brake device.
【請求項2】車体に固着するベースにブレーキレバーの
基部を揺動可能に枢支し、該ブレーキレバーの先端部に
力を加え、該基部が変位することでブレーキケーブルを
引いて制動をかけるようにしたマニュアルブレーキ装置
において、 前記ブレーキレバーの基部に固設され、周縁に歯部が形
成されたラチェットプレートと、該ラチェットプレート
の歯部に爪端が係脱する爪部材とでロック機構を構成
し、 前記爪部材を、前記ブレーキレバーの制動動作中に位置
する動作位置と、前記ラチェットプレートの歯部に噛合
して制動反力が加わったときに該動作位置から移動する
位置である制動保持位置とに移動変位可能に支持し、 前記制動保持位置では、爪端が前記ラチェットプレート
の歯部から離間する方向に該爪部材を付勢する一方、前
記動作位置では爪端が噛合する方向に付勢する付勢部材
を設け、 前記制動保持位置において、前記爪端が前記ラチェット
プレートの歯部から離間して前記爪部材が揺動したと
き、逆に該歯部に噛合する中継爪を前記爪端とは離れた
位置の該爪部材の端部に枢着し、かつ、該中継爪が該歯
部に噛合している状態で前記ブレーキレバーに制動動作
をさせたとき該歯部に押されて該爪部材を動作位置に変
位させるよう該中継爪を配設したことを特徴とするマニ
ュアルブレーキ装置。
2. A brake lever base is pivotably supported on a base fixed to a vehicle body, a force is applied to the tip of the brake lever, and the base is displaced to pull a brake cable for braking. In the manual brake device configured as described above, a locking mechanism is fixed by a ratchet plate that is fixed to the base of the brake lever and has teeth formed on the peripheral edge thereof, and a pawl member whose pawl end engages and disengages with the teeth of the ratchet plate. A braking position that is a position where the claw member moves from the operating position located during braking operation of the brake lever and the operating position when the braking reaction force is applied by meshing with the tooth portion of the ratchet plate. In the braking holding position, the pawl end urges the pawl member in a direction in which the pawl end separates from the tooth portion of the ratchet plate, and At the position, a biasing member for biasing the claw end in the direction of meshing is provided, and when the claw end is separated from the tooth portion of the ratchet plate and the claw member swings at the braking holding position, conversely, A relay claw that meshes with a tooth is pivotally attached to an end of the claw member that is located away from the claw end, and a braking operation is performed on the brake lever while the relay claw is meshed with the tooth. The manual brake device is characterized in that the relay claw is arranged so as to be pushed by the tooth portion to displace the claw member to the operating position when being actuated.
JP5022894A 1994-03-22 1994-03-22 Manual brake device Expired - Fee Related JP3594647B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5022894A JP3594647B2 (en) 1994-03-22 1994-03-22 Manual brake device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5022894A JP3594647B2 (en) 1994-03-22 1994-03-22 Manual brake device

Publications (2)

Publication Number Publication Date
JPH07257333A true JPH07257333A (en) 1995-10-09
JP3594647B2 JP3594647B2 (en) 2004-12-02

Family

ID=12853183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5022894A Expired - Fee Related JP3594647B2 (en) 1994-03-22 1994-03-22 Manual brake device

Country Status (1)

Country Link
JP (1) JP3594647B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001000466A1 (en) * 1999-06-28 2001-01-04 Kuroishi Iron Works Co., Ltd. Parking brake device for vehicle
WO2001062565A1 (en) * 2000-02-25 2001-08-30 Kuroishi Iron Works Co., Ltd Parking brake operating device for vehicle
FR2853293A1 (en) * 2003-04-02 2004-10-08 Bowden Mechanical parking brake control handle for use in vehicle, has latch of lever blocking mechanism movable between active and inactive blocking positions of lever by application force by parking brake on lever
WO2006066546A1 (en) * 2004-12-24 2006-06-29 EDSCHA Betätigungssysteme GmbH Parking brake for a vehicle
CN101752809A (en) * 2010-02-10 2010-06-23 山东电力研究院 Cable stripping machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001000466A1 (en) * 1999-06-28 2001-01-04 Kuroishi Iron Works Co., Ltd. Parking brake device for vehicle
US6508341B1 (en) 1999-06-28 2003-01-21 Kuroishi Iron Works Co., Ltd. Parking brake device for vehicle
WO2001062565A1 (en) * 2000-02-25 2001-08-30 Kuroishi Iron Works Co., Ltd Parking brake operating device for vehicle
US6817264B2 (en) 2000-02-25 2004-11-16 Kuroishi Iron Works Co., Ltd. Parking brake operating device for vehicle
FR2853293A1 (en) * 2003-04-02 2004-10-08 Bowden Mechanical parking brake control handle for use in vehicle, has latch of lever blocking mechanism movable between active and inactive blocking positions of lever by application force by parking brake on lever
WO2006066546A1 (en) * 2004-12-24 2006-06-29 EDSCHA Betätigungssysteme GmbH Parking brake for a vehicle
US8250946B2 (en) 2004-12-24 2012-08-28 Edscha Betaetigungssysteme Gmbh Parking brake for a vehicle
CN101752809A (en) * 2010-02-10 2010-06-23 山东电力研究院 Cable stripping machine

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