JP5157993B2 - Vehicle pedal support structure - Google Patents

Vehicle pedal support structure Download PDF

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JP5157993B2
JP5157993B2 JP2009081560A JP2009081560A JP5157993B2 JP 5157993 B2 JP5157993 B2 JP 5157993B2 JP 2009081560 A JP2009081560 A JP 2009081560A JP 2009081560 A JP2009081560 A JP 2009081560A JP 5157993 B2 JP5157993 B2 JP 5157993B2
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pedal
vehicle
link member
side wall
rear side
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JP2010231735A (en
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英幸 竹田
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Suzuki Motor Co Ltd
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Description

本発明は、
ダッシュパネルに取り付けられたペダルブラケットにペダル軸を介してペダルアームの上端部を横軸芯周りに揺動可能に支持し、
前記ペダルアームの長手方向中間部に、エンジンルーム内に配設されたマスターシリンダのプッシュロッドの一端部を連結してある車両のペダル支持構造に関する。 The present invention
The pedal bracket attached to the dash panel supports the upper end of the pedal arm through the pedal shaft so that it can swing around the horizontal axis,
The present invention relates to a pedal support structure for a vehicle in which one end portion of a push rod of a master cylinder disposed in an engine room is connected to an intermediate portion in the longitudinal direction of the pedal arm.

ブレーキのペダルアームやクラッチのペダルアームはペダルブラケットを介してダッシュパネルに取り付けられている。そして、このペダルアームを踏み込むことによりペダルアームの変位量をマスターシリンダに伝えて制動操作やクラッチケーブルに伝えてクラッチの接断操作を行っている。
一般に、マスターシリンダはダッシュパネルに直接取り付けされており、車両前方側から過大な荷重がダッシュパネルに入力すると、ダッシュパネルの変位がそのままマスターシリンダの変位量になり、マスターシリンダのプッシュロッドがペダルアームを車両後方側に揺動させることになる。
そこで、従来、特許文献１に開示されているように、車両前方側からの過大な荷重の入力でペダルブラケットが車両後方側に移動したときにペダルアームが車両後方側に揺動するのを防止する技術が開発されている。
すなわち、第１リンク部材の一端部をペダルアームの長手方向中間部に回転可能に連結し、第１リンク部材の他端部に第２リンク部材の一端部を回転可能に連結し、第２リンク部材の他端部に設けたＣ字状の係合部をペダル軸に係合し、第１リンク部材の長手方向中間部にプッシュロッドの一端部を連結し、車両前方側からの過大な荷重の入力でペダルブラケットが車両後方側に移動したときに、前記係合部とペダル軸の係合を解除する解除手段を設けた技術があった。
前記解除手段は、Ｃ字状の係合部の上端部に設けた凸部を車両後方側から受け止める専用の受け止め部材をペダルブラケットに設けて構成してある。 The brake pedal arm and the clutch pedal arm are attached to the dash panel via a pedal bracket. By depressing the pedal arm, the displacement amount of the pedal arm is transmitted to the master cylinder and transmitted to the braking operation or the clutch cable to perform the clutch connection / disconnection operation.
Generally, the master cylinder is directly attached to the dash panel. When an excessive load is input to the dash panel from the front side of the vehicle, the displacement of the dash panel becomes the displacement amount of the master cylinder as it is, and the push rod of the master cylinder becomes the pedal arm. Is swung to the rear side of the vehicle.
Therefore, conventionally, as disclosed in Patent Document 1, when the pedal bracket moves to the vehicle rear side due to an excessive load input from the vehicle front side, the pedal arm is prevented from swinging to the vehicle rear side. Technology has been developed.
That is, one end portion of the first link member is rotatably connected to the intermediate portion in the longitudinal direction of the pedal arm, and one end portion of the second link member is rotatably connected to the other end portion of the first link member. An excessive load from the front side of the vehicle is obtained by engaging a C-shaped engaging portion provided at the other end of the member with the pedal shaft and connecting one end of the push rod to the longitudinal intermediate portion of the first link member. When the pedal bracket moves to the rear side of the vehicle by the input of the above, there has been a technique provided with a releasing means for releasing the engagement between the engaging portion and the pedal shaft.
The release means is configured by providing a dedicated receiving member on the pedal bracket for receiving the convex portion provided at the upper end of the C-shaped engaging portion from the vehicle rear side.

特許第４００６６７６号公報Japanese Patent No. 4006676

上記従来の構造によれば、前記解除手段として、前記係合部とペダル軸の係合を解除するためにのみ用いられる専用の受け止め部材をペダルブラケットに設けてあるために、部品点数が増大し、重量が増大していた。
本発明の目的は、部品点数を少なくすることができ、軽量化を図ることができる車両のペダル支持構造を提供する点にある。 According to the above-described conventional structure, since the dedicated receiving member used only for releasing the engagement between the engaging portion and the pedal shaft is provided in the pedal bracket as the releasing means, the number of parts increases. The weight was increasing.
An object of the present invention is to provide a pedal support structure for a vehicle in which the number of parts can be reduced and the weight can be reduced.

本発明の特徴は、
ダッシュパネルに取り付けられたペダルブラケットにペダル軸を介してペダルアームの上端部を横軸芯周りに揺動可能に支持し、
前記ペダルアームの長手方向中間部に、エンジンルーム内に配設されたマスターシリンダのプッシュロッドの一端部を連結してある車両のペダル支持構造であって、
第１リンク部材の一端部を前記ペダルアームの長手方向中間部に回転可能に連結し、
前記第１リンク部材の他端部に第２リンク部材の一端部を回転可能に連結し、
前記第２リンク部材の他端部に設けた係合部を前記ペダル軸に係合し、
前記第１リンク部材の長手方向中間部に前記プッシュロッドの一端部を連結し、
車両前方側からの過大な荷重の入力で前記ペダルブラケットが車両後方側に移動すると、前記ペダルブラケットと、前記ペダルブラケットの車両後方側のコラムサポート部材とを連結する連結部材が前記第２リンク部材を受け止めて前記係合部と前記ペダル軸の係合を解除させ、
前記連結部材は、車両の左右方向で前記第２リンク部材の一方側に位置する前記ペダルブラケットの側壁に取り付けられるとともに、前記第２リンク部材の車両後方側を通過して前記第２リンク部材の他方側に延びており、
前記連結部材は、前記ペダルブラケットの側壁に取り付けられる取り付け部と、前記取り付け部から前記第２リンク部材の車両後方側を車両の左右方向に延びる中間部と、前記中間部の前記取り付け部とは反対側の端部から車両後方側に延びて前記コラムサポート部材に連結される後部とを有し、
前記連結部材は、幅方向が上下方向となるように姿勢が設定された金属板から成り、
前記中間部と後部で形成される第１屈曲部の上下両端部と、前記第１屈曲部の上下両端部に連続する前記後部の上下両端部とに板面の外方側に張り出すフランジがそれぞれ形成されて、前記第１屈曲部と前記後部の剛性が、前記取り付け部と中間部で形成される第２屈曲部の剛性よりも強く設定されている点にある。（請求項１） The feature of the present invention is that
The pedal bracket attached to the dash panel supports the upper end of the pedal arm through the pedal shaft so that it can swing around the horizontal axis,
A pedal support structure for a vehicle in which one end portion of a push rod of a master cylinder disposed in an engine room is connected to a longitudinal intermediate portion of the pedal arm,
One end portion of the first link member is rotatably connected to the middle portion in the longitudinal direction of the pedal arm,
One end of the second link member is rotatably connected to the other end of the first link member,
An engaging portion provided at the other end of the second link member is engaged with the pedal shaft;
Connecting one end of the push rod to the longitudinal intermediate portion of the first link member;
When the pedal bracket moves to the vehicle rear side due to input of an excessive load from the vehicle front side, the connecting member that connects the pedal bracket and the column support member on the vehicle rear side of the pedal bracket is the second link member. Receiving and releasing the engagement between the engagement portion and the pedal shaft ,
The connecting member is attached to a side wall of the pedal bracket located on one side of the second link member in the left-right direction of the vehicle, and passes through the vehicle rear side of the second link member to pass through the second link member. Extending to the other side,
The connecting member includes an attachment portion attached to a side wall of the pedal bracket, an intermediate portion extending from the attachment portion to the vehicle rear side of the second link member in the left-right direction of the vehicle, and the attachment portion of the intermediate portion. A rear portion extending from the opposite end to the vehicle rear side and connected to the column support member;
The connecting member is composed of a metal plate whose posture is set so that the width direction is the vertical direction,
Flange projecting outwardly from the plate surface at both upper and lower ends of the first bent portion formed by the intermediate portion and the rear portion, and upper and lower end portions of the rear portion continuous with the upper and lower end portions of the first bent portion. Each of the first bent portion and the rear portion is formed so that the rigidity is set stronger than the rigidity of the second bent portion formed by the attachment portion and the intermediate portion . (Claim 1)

この構成によれば、車両前方側からの過大な荷重の入力でペダルブラケットが車両後方側に移動すると、ペダルブラケットと、ペダルブラケットの車両後方側のコラムサポート部材とを連結する連結部材が第２リンク部材を受け止めて、係合部とペダル軸の係合を解除させる。これにより、車両前方側から過大な荷重が入力したときに、マスターシリンダのプッシュロッドがペダルアームを車両後方側に揺動させることができなくなる。従って、ペダルアームが車両後方側に揺動するのを防止することができる。
このように、前記係合部とペダル軸の係合を解除する解除手段を、解除専用の受け止め部材ではなく、ペダルブラケットと、ペダルブラケットの車両後方側のコラムサポート部材とを連結する連結部材で構成してあるから、部品点数を少なくすることができ、軽量化を図ることができる。そして、ダッシュパネルに比べて車両後方側への変位が少ないコラムサポート部材に連結された連結部材が第２リンク部材を受け止めるから、連結部材で係合部とペダル軸の係合を確実に解除することができる。
また、連結部材を車両の左右方向（車幅方向）に長くすることができ、連結部材で第２リンク部材を受け止めやすくすることができて、係合部とペダル軸の係合を確実に解除することができる。
また、連結部材がクランク状になるので、連結部材の前記中間部を第２リンク部材に接近配置することができ、前記中間部で第２リンク部材を早期に受け止めて、係合部とペダル軸の係合を確実に解除することができる。
また、前記第１屈曲部と前記後部の剛性が、前記取り付け部と中間部で形成される第２屈曲部の剛性よりも強く設定されているから、車両前方側から過大な荷重が入力したときに、第１屈曲部と前記後部が変形しにくくなる。これにより、連結部材の中間部で第２リンク部材を早期に受け止めて車両後方側から強い力で押圧することができ、係合部とペダル軸の係合を確実に解除することができる。さらに、第２リンク部材を押圧する力が強力になることから、係合部とペダル軸の係合力を強く設定することができて、ペダルアームを確実に作動させることができる。（請求項１） According to this configuration, when the pedal bracket moves to the vehicle rear side due to input of an excessive load from the vehicle front side, the connecting member that connects the pedal bracket and the column support member on the vehicle rear side of the pedal bracket is the second. The link member is received and the engagement portion and the pedal shaft are disengaged. Accordingly, when an excessive load is input from the front side of the vehicle, the push rod of the master cylinder cannot swing the pedal arm to the rear side of the vehicle. Therefore, it is possible to prevent the pedal arm from swinging toward the vehicle rear side.
Thus, the releasing means for releasing the engagement between the engaging portion and the pedal shaft is not a receiving member dedicated to releasing, but a connecting member that connects the pedal bracket and the column support member on the vehicle rear side of the pedal bracket. Since it is configured, the number of parts can be reduced and the weight can be reduced. And since the connection member connected with the column support member with little displacement to the vehicle rear side compared with the dash panel receives the second link member, the engagement between the engagement portion and the pedal shaft is reliably released by the connection member. be able to.
In addition, the connecting member can be elongated in the left-right direction (vehicle width direction) of the vehicle, the connecting member can easily receive the second link member, and the engagement between the engaging portion and the pedal shaft is reliably released. can do.
Further, since the connecting member has a crank shape, the intermediate portion of the connecting member can be disposed close to the second link member, and the second link member can be received at the intermediate portion at an early stage, and the engaging portion and the pedal shaft Can be reliably released.
Further, since the rigidity of the first bent portion and the rear portion is set to be stronger than the rigidity of the second bent portion formed by the attachment portion and the intermediate portion, when an excessive load is input from the front side of the vehicle In addition, the first bent portion and the rear portion are not easily deformed. Accordingly, the second link member can be received early at the intermediate portion of the connecting member and pressed with a strong force from the vehicle rear side, and the engagement between the engaging portion and the pedal shaft can be reliably released. Furthermore, since the force which presses a 2nd link member becomes strong, the engaging force of an engaging part and a pedal shaft can be set strongly, and a pedal arm can be operated reliably. (Claim 1)

本発明において、
前記側壁に左右方向で対向する第２の側壁を前記ペダルブラケットに設け、
前記側壁と第２の側壁で前記ペダルアームを両持ち支持し、
前記第２の側壁から車両後方側に延びる補強部材を設け、
前記連結部材の後部の後端部と前記補強部材の後端部にそれぞれ車両前後方向を向く取り付け面部を屈曲形成し、前記ペダルアームの車両後方側で両取り付け面部同士を重ね合わせるとともに接合して前記コラムサポート部材に取り付けてあると、次の作用を奏することができる。（請求項２） In the present invention,
The pedal bracket is provided with a second side wall facing the side wall in the left-right direction,
The pedal arm is supported at both ends by the side wall and the second side wall,
A reinforcing member extending from the second side wall to the vehicle rear side is provided;
A mounting surface portion facing the vehicle front-rear direction is formed at the rear end portion of the rear portion of the connecting member and the rear end portion of the reinforcing member, and the two mounting surface portions are overlapped and joined on the vehicle rear side of the pedal arm. When attached to the column support member, the following effects can be achieved. (Claim 2 )

前記側壁と第２の側壁で前記ペダルアームを両持ち支持することでペダルアームを安定支持することができる。
また、前記補強部材によって連結部材の後部の剛性をさらに強くすることができ、車両前方側から過大な荷重が入力したときに、前記後部を変形しにくくすることができる。これにより、連結部材の中間部で第２リンク部材を早期に受け止めて車両後方側から強い力で押圧することができ、係合部とペダル軸の係合を確実に解除することができる。さらに、第２リンク部材を押圧する力が強力になることから、係合部とペダル軸の係合力を強く設定することができて、ペダルアームを確実に作動させることができる。（請求項２） The pedal arm can be stably supported by supporting the pedal arm with both side walls and the second side wall.
Further, the rigidity of the rear portion of the connecting member can be further increased by the reinforcing member, and the rear portion can be made difficult to be deformed when an excessive load is input from the front side of the vehicle. Accordingly, the second link member can be received early at the intermediate portion of the connecting member and pressed with a strong force from the vehicle rear side, and the engagement between the engaging portion and the pedal shaft can be reliably released. Furthermore, since the force which presses a 2nd link member becomes strong, the engaging force of an engaging part and a pedal shaft can be set strongly, and a pedal arm can be operated reliably. (Claim 2 )

本発明によれば、
部品点数を少なくすることができ、軽量化を図ることができる車両のペダル支持構造を提供することができた。 According to the present invention,
A pedal support structure for a vehicle that can reduce the number of parts and can be reduced in weight can be provided.

自動車のステアリング装置を示す斜視図The perspective view which shows the steering device of a car ペダル支持構造の分解斜視図Exploded perspective view of pedal support structure ペダル支持構造の斜視図Perspective view of pedal support structure ペダル支持構造の側面図（係合部とペダル軸が解除される前のペダル支持構造の側面図）Side view of the pedal support structure (side view of the pedal support structure before the engagement portion and the pedal shaft are released) ペダル支持構造の側面図（係合部とペダル軸が解除されたペダル支持構造の側面図）Side view of the pedal support structure (side view of the pedal support structure with the engaging portion and the pedal shaft released)

以下、本発明を実施するための最良の形態を図面に基づいて説明する。
図１に自動車のステアリング装置を示してある。符号１はステアリングホイール、２はステアリングコラム、３はユニバーサルジョイントである。ステアリングコラム２は、左右一対のフロントピラー間に架設したパイプ状のステアリングサポートメンバ５（コラムサポート部材に相当）に支持されている。 Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.
FIG. 1 shows an automobile steering device. Reference numeral 1 denotes a steering wheel, 2 denotes a steering column, and 3 denotes a universal joint. The steering column 2 is supported by a pipe-like steering support member 5 (corresponding to a column support member) provided between a pair of left and right front pillars.

ステアリングサポートメンバ５の上方はインストルメントパネル（図示せず）に覆われている。また、ステアリングサポートメンバ５の車両前方側Ｆｒに、車体をエンジンルーム６（図４参照）と車室７とに仕切るダッシュパネル８が配置されている。次に、この自動車のペダル支持構造について説明する。   An upper portion of the steering support member 5 is covered with an instrument panel (not shown). A dash panel 8 that partitions the vehicle body into an engine room 6 (see FIG. 4) and a vehicle compartment 7 is disposed on the front side Fr of the steering support member 5. Next, the pedal support structure of the automobile will be described.

［自動車のペダル支持構造］
前記ダッシュパネル８に金属板から成るペダルブラケット９を車両後方側Ｒｒから取り付けてある。そして、このペダルブラケット９にペダル軸１０を介してブレーキペダルアーム１１の上端部１１Ｊを横軸芯Ｏ周りに揺動可能に支持し、ブレーキペダルアーム１１の長手方向中間部に、エンジンルーム６内に配設されたブレーキマスターシリンダ１２のプッシュロッド１３の一端部１３Ａを連結して車両のペダル支持構造を構成してある。 [Pedal support structure for automobiles]
A pedal bracket 9 made of a metal plate is attached to the dash panel 8 from the vehicle rear side Rr. The upper end portion 11J of the brake pedal arm 11 is supported by the pedal bracket 9 via the pedal shaft 10 so as to be swingable around the horizontal axis O, and is installed in the engine room 6 in the longitudinal middle portion of the brake pedal arm 11. One end portion 13A of the push rod 13 of the brake master cylinder 12 disposed in the vehicle is connected to form a pedal support structure for the vehicle.

ブレーキマスターシリンダ１２はダッシュパネル８に装着されている。以下、ブレーキマスターシリンダ１２を「マスターシリンダ１２」と称し、前記ブレーキペダルアーム１１を「ペダルアーム１１」と称する。   The brake master cylinder 12 is attached to the dash panel 8. Hereinafter, the brake master cylinder 12 is referred to as “master cylinder 12”, and the brake pedal arm 11 is referred to as “pedal arm 11”.

［ペダルブラケット９の構造］
図２〜図４に示すように、前記ペダルブラケット９は上端部側ほど車両後方側Ｒｒに位置する状態に傾斜しており、斜め上下方向に長い左側の第１の側壁１４（以下、「左側壁１４」と称する）と、この第１の側壁１４に対向する斜め上下方向に長い右側の第２の側壁１５（以下、「右側壁１５」と称する）と、左右両側壁１４，１５の車両前方側Ｆｒの端部を連結する前壁１６と、両側壁１４，１５の上端部を連結する上壁１７とを備えて、後ろ斜め下方側が開放した断面コの字状に形成されている。 [Structure of pedal bracket 9]
As shown in FIGS. 2 to 4, the pedal bracket 9 is inclined so that the upper end portion is positioned on the vehicle rear side Rr, and the left side wall 14 (hereinafter referred to as “the left side”) that is long in the diagonally up and down direction. A right side wall 15 (hereinafter referred to as a “right side wall 15”) that is long in the diagonally up and down direction opposite to the first side wall 14, and vehicles on both the left and right side walls 14, 15 The front wall 16 that connects the ends of the front side Fr and the upper wall 17 that connects the upper ends of the side walls 14 and 15 are formed in a U-shaped cross section with the rear obliquely lower side open.

両側壁１４，１５と前壁１６の上下方向中間部とは一枚の金属板をプレス加工して形成され、前壁１６の上端部と上壁１７とは一枚の金属板を両側壁１４，１５の上端部に溶接接合して形成され、前壁１６の下半部は一枚の金属板を両側壁１４，１５の下半部に溶接接合して形成されている。   The side walls 14 and 15 and the middle portion of the front wall 16 in the vertical direction are formed by pressing a single metal plate, and the upper end portion of the front wall 16 and the upper wall 17 are formed of a single metal plate on both side walls 14. 15 is welded to the upper end of the front wall 16, and the lower half of the front wall 16 is formed by welding a single metal plate to the lower half of the side walls 14,15.

前壁１６にはマスターシリンダ１２の取り付けや軽量化等のための大きな孔１８が形成され、前壁１６の上端部と上壁１７には、両側壁１４，１５に左右外方側から重なって溶接接合される取り付け片１６ａ，１７ａが折曲形成されている。両側壁１４，１５の車両後方側Ｒｒの端縁は左右外方側に張り出すフランジ１４Ｆ，１５Ｆを備えるとともに、側面視くの字状に後ろ斜め下方に膨出し、その膨出部１４Ｖ，１５Ｖにボルト挿通孔Ｓがそれぞれ形成されている。   A large hole 18 is formed in the front wall 16 for attaching the master cylinder 12 and reducing the weight, and the upper end portion of the front wall 16 and the upper wall 17 overlap the side walls 14 and 15 from the left and right outer sides. The attachment pieces 16a and 17a to be welded are bent. Edges of the vehicle rear side Rr of the side walls 14 and 15 are provided with flanges 14F and 15F projecting to the left and right outer sides, and bulge obliquely downward and rearward in a letter-like shape in side view, and the bulging portions 14V and 15V. Bolt insertion holes S are respectively formed in the upper and lower ends.

図２に示すように、右側壁１５の上端部にストッパ片１９の車両前方側Ｆｒの端部を溶接接合して、右側壁１５の上端部からストッパ片１９を車両後方側Ｒｒに延出してある。一方、ペダルアーム１１の上端部１１Ｊに被ストッパ片２０の車両前方側Ｆｒの端部を溶接接合して、ペダルアーム１１の上端部１１Ｊから被ストッパ片２０を車両後方側Ｒｒに延出してある。そして、ストッパ片１９が被ストッパ片２０を上方から受け止めて、ペダルアーム１１の後ろ上方側への揺動を設定角度内に抑えるようにしてある。ストッパ片１９にはブレーキスイッチ取り付け孔２１が形成され、このブレーキスイッチ取り付け孔２１にブレーキスイッチ（図示せず）が取り付けられている。   As shown in FIG. 2, the end of the vehicle front side Fr of the stopper piece 19 is welded to the upper end of the right side wall 15, and the stopper piece 19 extends from the upper end of the right side wall 15 to the vehicle rear side Rr. is there. On the other hand, the end of the stopper piece 20 on the vehicle front side Fr is welded to the upper end 11J of the pedal arm 11, and the stopper piece 20 extends from the upper end 11J of the pedal arm 11 to the vehicle rear side Rr. . Then, the stopper piece 19 receives the stopper piece 20 from above, and the swinging of the pedal arm 11 to the rear upper side is suppressed within a set angle. A brake switch mounting hole 21 is formed in the stopper piece 19, and a brake switch (not shown) is mounted in the brake switch mounting hole 21.

［ペダルアーム１１の構造］
ペダルアーム１１の上半部はほぼ直線状に形成され、下半部は斜め前下方に凸の緩やかな円弧状に湾曲形成されている。ペダルアーム１１の上端部１１Ｊには横孔が貫通形成され、前記上端部１１Ｊの一側面（左側面）に横孔と同芯状の横向きの第１筒部Ｔ１が突設されている。また、左右両側壁１４，１５の間隔よりも少し短いカラーＫ（スペーサー）が横孔及び第１筒部Ｔ１に挿通され、第１筒部Ｔ１の両端部にフランジ付きの左右一対のブッシュＢが内嵌されている。 [Structure of pedal arm 11]
The upper half of the pedal arm 11 is formed in a substantially linear shape, and the lower half is curved in a gentle arc shape that protrudes obliquely forward and downward. A lateral hole is formed through the upper end portion 11J of the pedal arm 11, and a laterally facing first tube portion T1 concentric with the lateral hole is provided on one side surface (left side surface) of the upper end portion 11J. Further, a collar K (spacer) slightly shorter than the distance between the left and right side walls 14 and 15 is inserted into the lateral hole and the first tube portion T1, and a pair of left and right bushes B with flanges are provided at both ends of the first tube portion T1. It is fitted inside.

ペダルアーム１１の上端部１１Ｊはペダルブラケット９の両側壁１４，１５の前記膨出部１４Ｖ，１５Ｖ間に配置され、両膨出部１４Ｖ，１５Ｖにそれぞれ形成されたボルト挿通孔Ｓと第１筒部Ｔ１・横孔・カラーＫとが同芯状に位置している。そして、頭部付きのボルト状に形成されたペダル軸１０が右側壁１５のボルト挿通孔Ｓ・カラーＫ・左側壁１４のボルト挿通孔Ｓに挿通され、ペダル軸１０の雄ねじ部にナットＮが左側壁１４の外方側から螺合して、左右両側壁１４，１５がペダルアーム１１を両持ち支持している。   An upper end portion 11J of the pedal arm 11 is disposed between the bulging portions 14V and 15V of the side walls 14 and 15 of the pedal bracket 9, and a bolt insertion hole S and a first cylinder formed in the bulging portions 14V and 15V, respectively. The portion T1, the side hole, and the collar K are located concentrically. Then, the pedal shaft 10 formed into a bolt shape with a head is inserted into the bolt insertion hole S of the right side wall 15, the collar K, and the bolt insertion hole S of the left side wall 14, and a nut N is inserted into the male screw portion of the pedal shaft 10. The left and right side walls 14 and 15 support the pedal arm 11 with both ends by screwing from the outer side of the left side wall 14.

ペダルアーム１１の下端部１１Ｋにはパッド２３を装着したペダル２４が設けられている。図２において二点鎖線は自動変速機仕様の車両に用いられるブレーキぺダルアームを示している。前述のように、ペダルアーム１１の上端部１１Ｊに、ペダルブラケット９のストッパ片１９及びブレーキスイッチに対する前記被ストッパ片２０が設けられている。   A pedal 24 equipped with a pad 23 is provided at the lower end 11K of the pedal arm 11. In FIG. 2, a two-dot chain line indicates a brake pedal arm used in a vehicle with an automatic transmission specification. As described above, the stopper piece 19 of the pedal bracket 9 and the stopper piece 20 for the brake switch are provided on the upper end portion 11J of the pedal arm 11.

図２，図３に示すように、くの字状の板材から成る第１リンク部材３１の一端部をペダルアーム１１の長手方向中間部に横向きのピンＰを介して横軸芯Ｏ周りに回転可能に連結し、第１リンク部材３１の他端部に板材から成る第２リンク部材４２の一端部を横向きのピンＰを介して横軸芯Ｏ周りに回転可能に連結し、第２リンク部材４２の他端部に設けたＣ字状の係合部４３を、ペダルアーム１１の第１筒部Ｔ１に車両前方側Ｆｒから係合してある。つまり、前記係合部４３を第１筒部Ｔ１を介してペダル軸１０に係合してある。   As shown in FIGS. 2 and 3, one end of the first link member 31 made of a U-shaped plate is rotated around the horizontal axis O through a pin P facing the longitudinal direction intermediate portion of the pedal arm 11. The second link member 31 is connected to the other end portion of the first link member 31 so as to be rotatable around the horizontal axis O via a lateral pin P. A C-shaped engaging portion 43 provided at the other end of 42 is engaged with the first tube portion T1 of the pedal arm 11 from the vehicle front side Fr. That is, the engaging portion 43 is engaged with the pedal shaft 10 via the first tube portion T1.

第１リンク部材３１の一端部側の前記ピンＰの長手方向の一端部は、第１リンク部材３１の一端部に形成された取付け孔に挿通されて固定されている。ペダルアーム１１の長手方向中間部には横孔が貫通形成され、ペダルアーム１１の長手方向中間部の左側面に横孔と同芯状の横向きの第２筒部Ｔ２が突設されている。そして、フランジ付きの左右一対のブッシュＢが第２筒部Ｔ２及び横孔に左側と右側から各別に内嵌し、前記ピンＰが左側のブッシュＢ・第２筒部Ｔ２・横孔・右側のブッシュＢに挿通され、ピンＰの先端部に抜け止め用のリングＲが外嵌装着されている。このようにして、第１リンク部材３１の一端部をペダルアーム１１の長手方向中間部に横軸芯Ｏ周りに回転可能に連結してある。   One end portion in the longitudinal direction of the pin P on one end portion side of the first link member 31 is inserted and fixed in an attachment hole formed in one end portion of the first link member 31. A lateral hole is formed through the middle portion of the pedal arm 11 in the longitudinal direction, and a second cylindrical portion T2 that is concentric with the lateral hole protrudes on the left side surface of the middle portion of the pedal arm 11 in the longitudinal direction. A pair of left and right bushes B with flanges are fitted into the second cylindrical portion T2 and the lateral holes separately from the left and right sides, and the pin P is connected to the left bush B, the second cylindrical portion T2, the lateral holes, and the right side. A bushing B is inserted, and a retaining ring R is externally attached to the tip of the pin P. In this way, one end of the first link member 31 is connected to the middle portion in the longitudinal direction of the pedal arm 11 so as to be rotatable around the horizontal axis O.

第１リンク部材３１の長手方向中間部の屈曲部３１Ｃには取付け孔３１Ｈが形成されている。そして、ブレーキマスターシリンダ１２のプッシュロッド１３の一端部１３Ａが前記取付け孔３１ＨにピンＰを介して横軸芯Ｏ周りに回転可能に連結されている。   A mounting hole 31 </ b> H is formed in the bent portion 31 </ b> C in the middle portion in the longitudinal direction of the first link member 31. One end 13A of the push rod 13 of the brake master cylinder 12 is connected to the mounting hole 31H via a pin P so as to be rotatable around the horizontal axis O.

図４に示すように、第２リンク部材４２の前記Ｃ字状の係合部４３をペダルアーム１１の第１筒部Ｔ１のペダル軸１０に係合付勢するスプリング２６をペダルアーム１１の上端部１１Ｊの第１筒部Ｔ１に外嵌装着してある。スプリング２６の一端部２６Ａはペダルブラケット９の前壁１６の後面に当接し、他端部２６Ｂは第２リンク部材４２の背面に当接している。   As shown in FIG. 4, the spring 26 that engages and urges the C-shaped engaging portion 43 of the second link member 42 to the pedal shaft 10 of the first tube portion T <b> 1 of the pedal arm 11 is connected to the upper end of the pedal arm 11. The first cylinder portion T1 of the portion 11J is externally fitted. One end portion 26 </ b> A of the spring 26 is in contact with the rear surface of the front wall 16 of the pedal bracket 9, and the other end portion 26 </ b> B is in contact with the back surface of the second link member 42.

［連結部材５０の構造］
図１，図４に示すように、ペダルブラケット９と、ペダルブラケット９の車両後方側Ｒｒのステアリングサポートメンバ５とを連結部材５０で連結してステアリングサポートメンバ５の剛性を向上させ、これにより、インストルメントパネルの振動を抑制してある。また、車両前方側Ｆｒからの過大な荷重の入力でペダルブラケット９が車両後方側Ｒｒに移動すると、連結部材５０が第２リンク部材４２を車両後方側Ｒｒ側から受け止めて、前記係合部４３とペダル軸１０の係合を解除するよう構成してある。 [Structure of connecting member 50]
As shown in FIGS. 1 and 4, the pedal bracket 9 and the steering support member 5 on the vehicle rear side Rr of the pedal bracket 9 are connected by a connecting member 50 to improve the rigidity of the steering support member 5. The vibration of the instrument panel is suppressed. Further, when the pedal bracket 9 moves to the vehicle rear side Rr by the input of an excessive load from the vehicle front side Fr, the connecting member 50 receives the second link member 42 from the vehicle rear side Rr side, and the engaging portion 43 And the pedal shaft 10 are disengaged.

図２，図３にも示すように、前記連結部材５０は、幅方向が上下方向となるように姿勢が設定された金属板で形成され、車両の左右方向Ｗで第２リンク部材４２の一方側（左右一方側）に位置するペダルブラケット９の左側壁１４（一方の側壁に相当）に取り付けられるとともに、第２リンク部材４２の車両後方側Ｒｒを通過して第２リンク部材４２の他方側（左右他方側）に延びている。   As shown in FIGS. 2 and 3, the connecting member 50 is formed of a metal plate whose posture is set so that the width direction is the vertical direction, and one side of the second link member 42 in the left-right direction W of the vehicle. It is attached to the left side wall 14 (corresponding to one side wall) of the pedal bracket 9 located on the side (one side on the left and right sides) and passes through the vehicle rear side Rr of the second link member 42 to the other side of the second link member 42. (Left and right other side).

すなわち、連結部材５０は、ペダルブラケット９の左側壁１４に重なって取り付けられる取り付け部５１と、取り付け部５１から第２リンク部材４２の車両後方側Ｒｒを車両の左右方向Ｗ（右方向）に延びる中間部５２と、中間部５２の前記取り付け部５１とは反対側の端部（右端部）から車両後方側Ｒｒに延びてステアリングサポートメンバ５に連結される後部５３とを有する。   That is, the connecting member 50 is attached to the left side wall 14 of the pedal bracket 9 so as to overlap with the left side wall 14, and the vehicle rear side Rr of the second link member 42 extends from the mounting portion 51 in the left-right direction W (right direction) of the vehicle. The intermediate portion 52 has a rear portion 53 that extends from the end portion (right end portion) opposite to the mounting portion 51 of the intermediate portion 52 to the vehicle rear side Rr and is connected to the steering support member 5.

また、前記中間部５２と後部５３で形成される第１屈曲部５４の上下両端部と、前記第１屈曲部５４の上下両端部に連続する前記後部５３の上下両端部とに板面の外方側（車両前方側Ｆｒ又は右側）に張り出すフランジ５４Ｆ，５３Ｆがそれぞれ形成されて、前記第１屈曲部５４と前記後部５３の剛性が、前記取り付け部５１と中間部５２で形成される第２屈曲部５５の剛性よりも強く設定されている。第１屈曲部５４と第２屈曲部５５はそれぞれ直角に屈曲（屈曲角が９０度）している。   Further, the upper and lower end portions of the first bent portion 54 formed by the intermediate portion 52 and the rear portion 53 and the upper and lower end portions of the rear portion 53 continuous with the upper and lower end portions of the first bent portion 54 are outside the plate surface. The flanges 54F and 53F projecting to the side (the vehicle front side Fr or the right side) are respectively formed, and the rigidity of the first bent portion 54 and the rear portion 53 is formed by the mounting portion 51 and the intermediate portion 52. It is set stronger than the rigidity of the two bent portions 55. The first bent portion 54 and the second bent portion 55 are bent at right angles (the bending angle is 90 degrees).

［補強部材６０とその取り付け構造］
図２，図３，図４に示すように、ペダルブラケット９の右側壁１５から車両後方側Ｒｒに延びて連結部材５０を補強する補強部材６０を設けてある。補強部材６０は、連結部材５０と同様に幅方向が上下方向となるように姿勢が設定された金属板で形成されて、側面視で連結部材５０の下方に位置している。 [Reinforcing member 60 and its mounting structure]
As shown in FIGS. 2, 3, and 4, a reinforcing member 60 that extends from the right side wall 15 of the pedal bracket 9 to the vehicle rear side Rr and reinforces the connecting member 50 is provided. The reinforcing member 60 is formed of a metal plate whose posture is set so that the width direction is the vertical direction, like the connecting member 50, and is positioned below the connecting member 50 in a side view.

そして、連結部材５０の後部５３の後端部と補強部材６０の後端部とにそれぞれ車両前後方向を向く取り付け面部５３Ｍ，６０Ｍを屈曲形成し、ペダルアーム１１の車両後方側Ｒｒで連結部材５０の取り付け面部５３Ｍの下端部を、補強部材６０の取り付け面部６０Ｍの上端部に車両前方側Ｆｒから重ね合わせて溶接接合してある。   Then, attachment surface portions 53M, 60M facing the vehicle front-rear direction are bent at the rear end portion of the rear portion 53 of the connecting member 50 and the rear end portion of the reinforcing member 60, and the connecting member 50 is formed on the vehicle rear side Rr of the pedal arm 11. The lower end portion of the attachment surface portion 53M is overlapped and welded to the upper end portion of the attachment surface portion 60M of the reinforcing member 60 from the vehicle front side Fr.

また、補強部材６０の取り付け面部６０Ｍにボルト挿通孔Ｓを形成してある。そして、図１に示すように、ステアリングサポートメンバ５に溶接接合された取り付けブラケット３５の縦壁部３５Ｍに両取り付け面部５３Ｍ，６０Ｍを車両前方側Ｆｒから重ね合わせ、前記ボルト挿通孔Ｓに取り付けボルトを挿通させて、縦壁部３５Ｍに両取り付け面部５３Ｍ，６０Ｍを固定してある。   A bolt insertion hole S is formed in the attachment surface portion 60M of the reinforcing member 60. 1, both mounting surface portions 53M and 60M are superimposed on the vertical wall portion 35M of the mounting bracket 35 welded to the steering support member 5 from the vehicle front side Fr, and the mounting bolts are mounted in the bolt insertion holes S. Are inserted, and both attachment surface portions 53M and 60M are fixed to the vertical wall portion 35M.

ペダルブラケット９の右側壁１５に固定される補強部材６０の前半部は、車両後方側Ｒｒほど下方に位置する後ろ下がり姿勢に設定され、補強部材６０の後半部は車両後方側Ｒｒにほぼ水平に延びている。   The front half of the reinforcing member 60 fixed to the right side wall 15 of the pedal bracket 9 is set in a rearwardly lowered posture that is positioned downward as the vehicle rear side Rr, and the rear half of the reinforcing member 60 is substantially horizontal to the vehicle rear side Rr. It extends.

［車両前方側Ｆｒから過大な荷重が入力した時の作動］
図４，図５に示すように、自動車が前面衝突して車両前方側Ｆｒから過大な荷重が入力すると、ダッシュパネル８に装着されているマスターシリンダ１２がダッシュパネル８と一体に車両後方側Ｒｒに移動してペダルブラケット９が車両後方側Ｒｒに移動する。そして、連結部材５０の中間部５２が第２リンク部材４２を車両後方側Ｒｒから受け止めて、前記係合部４３とペダル軸２５の係合を解除させる。 [Operation when an excessive load is input from the vehicle front side Fr]
As shown in FIGS. 4 and 5, when an automobile collides with the front and an excessive load is input from the vehicle front side Fr, the master cylinder 12 attached to the dash panel 8 is integrated with the dash panel 8 to the vehicle rear side Rr. The pedal bracket 9 moves to the vehicle rear side Rr. Then, the intermediate portion 52 of the connecting member 50 receives the second link member 42 from the vehicle rear side Rr, and releases the engagement between the engaging portion 43 and the pedal shaft 25.

［別実施形態］
前記ペダルアームはクラッチぺダルアームであってもよい。 [Another embodiment]
The pedal arm may be a clutch pedal arm.

５ コラムサポート部材
６ エンジンルーム
８ ダッシュパネル
９ ペダルブラケット
１０ ペダル軸
１１ ペダルアーム
１１Ｊ ペダルアームの上端部
１２ マスターシリンダ
１３ プッシュロッド
１３Ａ プッシュロッドの一端部
１４ ペダルブラケットの側壁
１５ 第２の側壁
３１ 第１リンク部材
４２ 第２リンク部材
４３ 係合部
５０ 連結部材
５１ 取り付け部
５２ 中間部
５３ 後部
５４ 第１屈曲部
５３Ｆ ，５４Ｆ フランジ
５５ 第２屈曲部
６０ 補強部材
５３Ｍ，６０Ｍ 取り付け面部
Ｆｒ 車両前方側
Ｏ 横軸芯
Ｒｒ 車両後方側
Ｗ 車両の左右方向 5 Column support member 6 Engine room 8 Dash panel 9 Pedal bracket 10 Pedal shaft 11 Pedal arm 11J Upper end 12 of the pedal arm 12 Master cylinder 13 Push rod 13A One end 14 of the push rod 14 Side wall 15 of the pedal bracket 2nd side wall 31 1st Link member 42 Second link member 43 Engagement part 50 Connecting member 51 Attachment part 52 Intermediate part 53 Rear part 54 First bending part 53F, 54F Flange 55 Second bending part 60 Reinforcing member 53M, 60M Attachment surface part Fr Vehicle front side O side Axle Rr Vehicle rear side W Vehicle left-right direction

Claims (2)

ダッシュパネルに取り付けられたペダルブラケットにペダル軸を介してペダルアームの上端部を横軸芯周りに揺動可能に支持し、
前記ペダルアームの長手方向中間部に、エンジンルーム内に配設されたマスターシリンダのプッシュロッドの一端部を連結してある車両のペダル支持構造であって、
第１リンク部材の一端部を前記ペダルアームの長手方向中間部に回転可能に連結し、
前記第１リンク部材の他端部に第２リンク部材の一端部を回転可能に連結し、
前記第２リンク部材の他端部に設けた係合部を前記ペダル軸に係合し、
前記第１リンク部材の長手方向中間部に前記プッシュロッドの一端部を連結し、
車両前方側からの過大な荷重の入力で前記ペダルブラケットが車両後方側に移動すると、前記ペダルブラケットと、前記ペダルブラケットの車両後方側のコラムサポート部材とを連結する連結部材が前記第２リンク部材を受け止めて前記係合部と前記ペダル軸の係合を解除させ、
前記連結部材は、車両の左右方向で前記第２リンク部材の一方側に位置する前記ペダルブラケットの側壁に取り付けられるとともに、前記第２リンク部材の車両後方側を通過して前記第２リンク部材の他方側に延びており、
前記連結部材は、前記ペダルブラケットの側壁に取り付けられる取り付け部と、前記取り付け部から前記第２リンク部材の車両後方側を車両の左右方向に延びる中間部と、前記中間部の前記取り付け部とは反対側の端部から車両後方側に延びて前記コラムサポート部材に連結される後部とを有し、
前記連結部材は、幅方向が上下方向となるように姿勢が設定された金属板から成り、
前記中間部と後部で形成される第１屈曲部の上下両端部と、前記第１屈曲部の上下両端部に連続する前記後部の上下両端部とに板面の外方側に張り出すフランジがそれぞれ形成されて、前記第１屈曲部と前記後部の剛性が、前記取り付け部と中間部で形成される第２屈曲部の剛性よりも強く設定されている車両のペダル支持構造。 The pedal bracket attached to the dash panel supports the upper end of the pedal arm through the pedal shaft so that it can swing around the horizontal axis,
A pedal support structure for a vehicle in which one end portion of a push rod of a master cylinder disposed in an engine room is connected to a longitudinal intermediate portion of the pedal arm,
One end portion of the first link member is rotatably connected to the middle portion in the longitudinal direction of the pedal arm,
One end of the second link member is rotatably connected to the other end of the first link member,
An engaging portion provided at the other end of the second link member is engaged with the pedal shaft;
Connecting one end of the push rod to the longitudinal intermediate portion of the first link member;
When the pedal bracket moves to the vehicle rear side due to input of an excessive load from the vehicle front side, the connecting member that connects the pedal bracket and the column support member on the vehicle rear side of the pedal bracket is the second link member. Receiving and releasing the engagement between the engagement portion and the pedal shaft ,
The connecting member is attached to a side wall of the pedal bracket located on one side of the second link member in the left-right direction of the vehicle, and passes through the vehicle rear side of the second link member to pass through the second link member. Extending to the other side,
The connecting member includes an attachment portion attached to a side wall of the pedal bracket, an intermediate portion extending from the attachment portion to the vehicle rear side of the second link member in the left-right direction of the vehicle, and the attachment portion of the intermediate portion. A rear portion extending from the opposite end to the vehicle rear side and connected to the column support member;
The connecting member is composed of a metal plate whose posture is set so that the width direction is the vertical direction,
Flange projecting outwardly from the plate surface at both upper and lower ends of the first bent portion formed by the intermediate portion and the rear portion, and upper and lower end portions of the rear portion continuous with the upper and lower end portions of the first bent portion. A pedal support structure for a vehicle, wherein the pedal support structure is formed so that the rigidity of the first bent portion and the rear portion is set stronger than the rigidity of the second bent portion formed by the attachment portion and the intermediate portion . 前記側壁に左右方向で対向する第２の側壁を前記ペダルブラケットに設け、
前記側壁と第２の側壁で前記ペダルアームを両持ち支持し、
前記第２の側壁から車両後方側に延びる補強部材を設け、
前記連結部材の後部の後端部と前記補強部材の後端部にそれぞれ車両前後方向を向く取り付け面部を屈曲形成し、前記ペダルアームの車両後方側で両取り付け面部同士を重ね合わせるとともに接合して前記コラムサポート部材に取り付けてある請求項１記載の車両のペダル支持構造。 The pedal bracket is provided with a second side wall facing the side wall in the left-right direction,
The pedal arm is supported at both ends by the side wall and the second side wall,
A reinforcing member extending from the second side wall to the vehicle rear side is provided;
A mounting surface portion facing the vehicle front-rear direction is formed at the rear end portion of the rear portion of the connecting member and the rear end portion of the reinforcing member, and the two mounting surface portions are overlapped and joined on the vehicle rear side of the pedal arm. pedal support structure for a vehicle according to claim 1 that is attached to the column support member.
JP2009081560A 2009-03-30 2009-03-30 Vehicle pedal support structure Expired - Fee Related JP5157993B2 (en)

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