JP2002308151A - Cab floor structure for cab-over type vehicle - Google Patents

Cab floor structure for cab-over type vehicle

Info

Publication number
JP2002308151A
JP2002308151A JP2001117670A JP2001117670A JP2002308151A JP 2002308151 A JP2002308151 A JP 2002308151A JP 2001117670 A JP2001117670 A JP 2001117670A JP 2001117670 A JP2001117670 A JP 2001117670A JP 2002308151 A JP2002308151 A JP 2002308151A
Authority
JP
Japan
Prior art keywords
floor
cab
cab floor
cross member
lateral
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.)
Pending
Application number
JP2001117670A
Other languages
Japanese (ja)
Inventor
Tetsuji Shibata
哲治 柴田
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.)
Toyota Auto Body Co Ltd
Original Assignee
Toyota Auto Body 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 Toyota Auto Body Co Ltd filed Critical Toyota Auto Body Co Ltd
Priority to JP2001117670A priority Critical patent/JP2002308151A/en
Publication of JP2002308151A publication Critical patent/JP2002308151A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To effectively moderate the deformation of the cab floor of a cab-over type vehicle in a collision by attaching a reinforcing member to the cab floor. SOLUTION: In this cab floor structure for the cab-over vehicle having a cabin fixed to a base frame, a front cross member 4 having both lateral ends connected to the lower ends of lateral front pillars 3 is provided on the leading edge 11 of the cab floor 1. Mount parts 2 for fixing both lateral sides of the cabin front part to the body frame on both lateral ends are provided on both lateral ends of the front cross member 4 adjacently to the connecting part with the lower end of each front pillar 3, and a lateral pair of floor members 5 having front ends 52 connected to both lateral sides of the lateral center of the front cross member 4 and extended backward along the lower surface of the floor front part 1a of the cab floor 1 to form a closed section with the cab floor 1 is attached to the front cross member 4.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、キャブオーバー型
車、特にキャビンが車台フレームに固定されたキャブオ
ーバー型車のキャブフロア構造に関する。
The present invention relates to a cab-over type vehicle, and more particularly to a cab floor structure of a cab-over type vehicle in which a cabin is fixed to a chassis frame.

【0002】[0002]

【従来の技術】図7はこの種の従来のキャブオーバー型
車(フルキャブオーバー型車)のキャブフロアの平面図
を示し、キャビンは、キャブフロア1の前縁および後縁
の左右両端にそれぞれマウント部2を形成し、各マウン
ト部2を介して車台フレーム(図略)に載置固定してい
る。
2. Description of the Related Art FIG. 7 is a plan view of a cab floor of a conventional cab-over type vehicle (full cab-over type vehicle) of this kind. Cabins are mounted on both left and right ends of a front edge and a rear edge of a cab floor 1 respectively. A portion 2 is formed, and is mounted and fixed to a chassis frame (not shown) via each mount portion 2.

【0003】キャブフロア1は一般に、キャビンの後部
床下に形成したエンジンルームに対応して、前後方向中
間位置に段部1bを設け、フロア後部1cをフロア前部
1aよりも高くしている。フロア後部1cの中央部には
エンジンサービスホール15が形成してある。図中、1
4はステアリングコラムを挿通する貫通穴で、Yは運転
席に着座した乗員である。
In general, the cab floor 1 is provided with a stepped portion 1b at an intermediate position in the front-rear direction corresponding to an engine room formed below the rear floor of the cabin, and the rear portion 1c of the cab is higher than the front portion 1a of the floor. An engine service hole 15 is formed at the center of the rear part 1c of the floor. In the figure, 1
Reference numeral 4 denotes a through hole through which the steering column is inserted, and Y denotes an occupant seated in a driver's seat.

【0004】図7および図8に示すように、キャブフロ
ア1は、その前縁に上方へ突出し、左右両端を左右のフ
ロントピラー3の下端に結合した凸部11aが形成して
あり、凸部11aの左右両端の各フロントピラー3下端
との結合部にマウントブラケット20を固着してキャビ
ンフロント側のマウント部2が構成されている。マウン
トブラケット20は、その車外側の側面がフロントピラ
ー3下端に接合し、マウントブラケット20の底面から
キャブフロア1の下面に沿って後方へ延びる補強板21
をキャブフロア1に重合溶接して補強している。そし
て、マウントブラケット20の底面を補強板21と一体
に防振部材22を介してマウントボルト23により車台
フレームに締結している。尚、キャブフロア1の後縁
は、左右のリヤピラー6に結合した凸部12の左右両端
からやや離れた位置にキャビンリヤ側のマウント部2が
構成してある。
As shown in FIGS. 7 and 8, the cab floor 1 has a convex portion 11a projecting upward from a front edge thereof and having left and right ends connected to lower ends of left and right front pillars 3, respectively. A mount bracket 20 is fixed to a joint between the left and right ends of the front pillar 11a and the lower ends of the front pillars 3 to form a mount 2 on the cabin front side. The mounting bracket 20 has a reinforcing plate 21 whose outer side surface is joined to the lower end of the front pillar 3 and extends rearward from the bottom surface of the mounting bracket 20 along the lower surface of the cab floor 1.
To the cab floor 1 by reinforcement welding. The bottom surface of the mount bracket 20 is fastened to the chassis frame integrally with the reinforcing plate 21 by the mount bolt 23 via the vibration isolating member 22. The rear edge of the cab floor 1 is provided with a mount portion 2 on the cabin rear side at a position slightly away from the left and right ends of the convex portion 12 connected to the left and right rear pillars 6.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、従来の
キャブフロア構造では、キャブフロア1の前縁11aの
左右両側端は、キャビンの剛性部材たるフロントピラー
3下端に結合され、かつ、マウント部2を介して車台フ
レームに固着されるとともにマウント部2から後方へ延
びる補強板21で補強されているので剛性が高いもの
の、キャブフロア1前縁の中間部は、車両前面衝突時、
特にオフセット衝突時の衝突荷重に対する剛性が充分と
はいえない。そして、図9に示すように、オフセット衝
突時、キャブフロア1前縁11aの側端は殆ど変形しな
くても、前縁11aの中間部では相手側Wにより後方へ
押し込まれ、フロア前部1a中央が座屈し、乗員の足元
スペースの確保が問題となる。
However, in the conventional cab floor structure, both left and right ends of the front edge 11a of the cab floor 1 are connected to the lower end of the front pillar 3 which is a rigid member of the cabin, and the mounting portion 2 is not mounted. The cab floor 1 has a high rigidity because it is fixed to the chassis frame and is reinforced by a reinforcing plate 21 extending rearward from the mount portion 2.
In particular, the rigidity with respect to the collision load at the time of the offset collision is not sufficient. Then, as shown in FIG. 9, at the time of the offset collision, even if the side end of the front edge 11a of the cab floor 1 is hardly deformed, the cab floor 1 is pushed backward by the partner W in the middle part of the front edge 11a, and the floor front 1a The center buckles, and securing the foot space for the occupant becomes a problem.

【0006】そこで本発明は、衝突時のキャブフロアの
変形を効果的に緩和するキャブオーバー型車のキャブフ
ロア構造を提供することを課題としてなされたものであ
る。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a cab floor structure of a cab-over type vehicle that effectively reduces the deformation of the cab floor at the time of a collision.

【0007】[0007]

【課題を解決するための手段】本発明は、キャビンが車
台フレームに固定されたキャブオーバー型車のキャブフ
ロア構造において、キャブフロアの前縁に、左右両端を
左右のフロントピラーの下端にそれぞれ結合したフロン
トクロスメンバを設け、上記フロントクロスメンバの左
右両端には、上記各フロントピラーの下端との結合部に
近接して、キャビン前部の左右両側を車台フレームに固
着するマウント部を設けるとともに、前端が上記フロン
トクロスメンバの車幅方向中央部の左右両側に結合し、
キャブフロアのフロア前部の下面に沿って後方へ延び、
キャブフロアとで閉断面を形成する左右一対のフロアメ
ンバを設ける(請求項1)。車両衝突時、特にオフセッ
ト衝突時、キャブフロアの前部はフロントクロスメンバ
とともにフロアメンバにより剛性が強化されるととも
に、衝突荷重がフロアメンバからキャブフロアに伝達さ
れ、衝突荷重はキャブフロアの広い範囲に分散されるか
ら、キャブフロアの座屈状の変形が緩和される。
SUMMARY OF THE INVENTION The present invention relates to a cab floor structure of a cab-over type vehicle in which a cabin is fixed to a chassis frame, wherein left and right ends are respectively connected to lower ends of left and right front pillars at a front edge of the cab floor. At the left and right ends of the front cross member, mount portions for fixing the left and right sides of the front portion of the cabin to the chassis frame are provided near the joint with the lower ends of the front pillars. The front end is joined to the left and right sides of the center part in the vehicle width direction of the front cross member,
Extends rearward along the underside of the floor front of the cab floor,
A pair of left and right floor members forming a closed section with the cab floor is provided (claim 1). At the time of vehicle collision, especially at the time of offset collision, the front part of the cab floor is strengthened by the floor member together with the front cross member, and the collision load is transmitted from the floor member to the cab floor, and the collision load is spread over a wide area of the cab floor. Since the cab floor is dispersed, buckling-like deformation of the cab floor is reduced.

【0008】上記一対のフロアメンバは、前端がそれぞ
れ運転席および助手席の斜め前方車両中央寄りの位置で
上記フロントクロスメンバに結合し、それぞれ運転席お
よび助手席の乗員の足元位置を通って後方へ延びるハ字
形に配設する(請求項2)。左右のフロアメンバは運転
席と助手席の乗員の足元を通るハ字形に配設したので、
衝突荷重をキャブフロアの広い範囲に偏りなく、より効
果的に分散する。
The pair of floor members have front ends coupled to the front cross member at positions obliquely forward of the driver's seat and the front passenger's seat, respectively, near the center of the vehicle. (Claim 2). Since the left and right floor members are arranged in a V-shape passing the feet of the driver's seat and the passenger's seat,
Disperse the impact load more evenly over a wide area of the cab floor.

【0009】上記キャブフロアには前後方向中間位置に
段差が形成され、上記フロアメンバの後端部を上記段部
に沿って延設する(請求項3)。段部は衝突時に変形し
やすいから、この部分の剛性をフロアメンバの後端部に
より強化する。
A step is formed on the cab floor at an intermediate position in the front-rear direction, and a rear end of the floor member extends along the step. Since the step portion is easily deformed at the time of collision, the rigidity of this portion is strengthened by the rear end portion of the floor member.

【0010】[0010]

【発明の実施の形態】図1に本発明のキャブオーバー型
車のキャブフロアの平面図を示し、キャブフロア1は前
後中間位置に後斜め上方へ向う傾斜状の段部1bを設
け、フロア前部1aよりもフロア後部1cを高くしてキ
ャビンの後部床下のエンジンルームに対応している。フ
ロア前部1aの右前部にはステアリングコラムを挿通す
る貫通穴14が形成してある。フロア後部1cの中央部
にはほぼ四角形のエンジンサービスホール15が形成し
てあり、フロア後部1c後端の左右両側にもサービスホ
ール16,17が形成してある。各サービスホール1
5,16,17は図略の蓋部材で塞ぐ。図中、S1は運
転席、S2は助手席、Yは運転席S1に着座した乗員を
示す。
FIG. 1 is a plan view of a cab floor of a cab-over type vehicle according to the present invention. The cab floor 1 is provided with an inclined step portion 1b which is directed obliquely upward toward the rear at an intermediate position between the front and rear sides. The rear part 1c of the floor is made higher than the part 1a to correspond to the engine room below the rear floor of the cabin. A through hole 14 through which the steering column is inserted is formed in the right front part of the floor front part 1a. A substantially square engine service hole 15 is formed in the center of the floor rear portion 1c, and service holes 16 and 17 are also formed on the left and right sides of the rear end of the floor rear portion 1c. Each service hall 1
5, 16 and 17 are closed with a cover member (not shown). In the figure, S1 denotes a driver seat, S2 denotes a passenger seat, and Y denotes an occupant seated in the driver seat S1.

【0011】フロア前部1aと段部1bは1枚のパネル
材からなる一体構造で(図2)、図1ないし図4に示す
ように、フロア前部1aの前縁は前上がりの傾斜部10
と傾斜部10から前方へ延びて下方へ屈曲する端面部1
1で形成されている。そして、フロア前部1aの前縁に
はその下面に沿って幅方向全幅にわたるフロントクロス
メンバ4が設けてある。
The floor front portion 1a and the step portion 1b have an integral structure made of a single panel material (FIG. 2). As shown in FIGS. 1 to 4, the front edge of the floor front portion 1a has a front rising slope. 10
And the end surface portion 1 extending forward from the inclined portion 10 and bending downward
1. A front cross member 4 is provided along the lower surface of the front edge of the floor front portion 1a over the entire width in the width direction.

【0012】図2、図3に示すように、フロントクロス
メンバ4は前側を高くした断面ほぼZ字形で、前部41
をフロア前部1aの前縁端面部11および傾斜部10の
上部下面に重合溶接するとともに、後部42後縁をフロ
ア前部1aの前縁傾斜部10の下端部下面に重合溶接
し、フロントクロスメンバ4のほぼ垂直な中間段部43
および後部42とフロア前部1aの前縁傾斜部10とで
閉断面をなす。
As shown in FIG. 2 and FIG. 3, the front cross member 4 has a substantially Z-shaped cross section with its front side being raised.
Is welded to the front edge end surface 11 of the floor front portion 1a and the upper lower surface of the inclined portion 10, and the rear edge of the rear portion 42 is welded to the lower surface of the lower edge portion of the front edge inclined portion 10 of the floor front portion 1a, to form a front A substantially vertical intermediate step 43 of the member 4
The rear section 42 and the front edge inclined section 10 of the floor front section 1a form a closed cross section.

【0013】図1ないし図3に示すように、フロントク
ロスメンバ4の左右両端はフロア前部1aの前縁側端と
一体にフロントピラー3の下端に結合してあり、かつ、
フロントクロスメンバ4の両端にはフロントピラー3と
の結合部の内側にマウント部2が設置してある。マウン
ト部2は、前方へ向かって開口する箱型のマウントブラ
ケット20をフロントクロスメンバ4の前部41の下面
および中間段部43の前面に溶接するとともに、マウン
トブラケット20の底壁下面に重合溶接して後方へ延び
る補強板21がフロントクロスメンバ4の後部42下面
およびフロア前部1aの前縁傾斜部10の下端部下面に
かけて重合溶接してある。また、マウントブラケット2
0の車外側の側面はフロントピラー3下端に溶接してあ
る。そして、マウント部2はマウントブラケット20の
底面を補強板21と一体に防振部材22を介してマウン
トボルト23により車台フレームに締結している。
As shown in FIGS. 1 to 3, both left and right ends of the front cross member 4 are joined to the lower end of the front pillar 3 integrally with the front edge of the floor front portion 1a.
At both ends of the front cross member 4, the mounts 2 are installed inside the joint with the front pillar 3. The mounting portion 2 welds a box-shaped mounting bracket 20 opening forward to the lower surface of the front portion 41 of the front cross member 4 and the front surface of the intermediate step portion 43 and overlap-welding to the lower surface of the bottom wall of the mounting bracket 20. A reinforcement plate 21 extending rearward is overlap-welded to the lower surface of the rear portion 42 of the front cross member 4 and the lower surface of the lower end of the front edge inclined portion 10 of the floor front portion 1a. Also, mount bracket 2
The outer side surface of the vehicle 0 is welded to the lower end of the front pillar 3. The mounting portion 2 has the bottom surface of the mounting bracket 20 fastened to the chassis frame by mounting bolts 23 via a vibration isolating member 22 integrally with the reinforcing plate 21.

【0014】図1、図2、図4および図5に示すよう
に、フロア前部1aの下面には左右に一対のフロアメン
バ5が設置してある。左右一対のフロアメンバ5は、そ
れぞれの前端が運転席S1および助手席S2の斜め前方
車両中央寄りの位置でフロントクロスメンバ4に結合せ
しめてある。両フロアメンバ5は後方へ向けて相互の間
隔が広がるハ字形に配設され、運転席S1の乗員Yおよ
び助手席S2の乗員(図略)の足元を通って後端がキャ
ブフロア1の段部1bまで延びている。
As shown in FIGS. 1, 2, 4 and 5, a pair of floor members 5 are provided on the left and right sides on the lower surface of the floor front part 1a. The front ends of the pair of left and right floor members 5 are coupled to the front cross member 4 at positions obliquely forward of the driver's seat S1 and the passenger's seat S2 near the center of the vehicle. The two floor members 5 are arranged in a C-shape with the space between them widening toward the rear. It extends to the portion 1b.

【0015】フロアメンバ5は断面逆ハット形で左右の
側壁の上縁に結合フランジ51を備え、前端には前端部
材50が連結してある。前端部材50は左右の側壁の上
縁をフロア前部1aの前縁傾斜部10に対応して前上が
り傾斜状とし、両側壁の前端縦縁には前縁フランジ52
が形成してある。一方、フロアメンバ5の後端は段部1
bに対応して後斜め上方へ屈折する傾斜部53が形成し
てある。
The floor member 5 has an inverted hat-shaped cross section and has a connecting flange 51 at the upper edges of the left and right side walls, and a front end member 50 is connected to the front end. The front end member 50 has an upper edge of the left and right side walls in a front-inclined shape corresponding to the front edge inclined portion 10 of the floor front portion 1a.
Is formed. On the other hand, the rear end of the floor member 5 is
An inclined portion 53 that refracts obliquely upward rearward is formed corresponding to b.

【0016】フロアメンバ5の設置に際しては、フロン
トクロスメンバ4をフロア前部1aの前縁に接合する前
に、予め、前端部材50の前縁フランジ52と底面前端
とをそれぞれフロントクロスメンバ4の中間段部43後
面および後部42上面に溶接しておく。そして、フロン
トクロスメンバ4をフロア前部1aの前縁に接合する。
尚、図4に示すようにフロントクロスメンバ4は前端部
材50の接合部では中間段部43が一般部よりも下方へ
長く形成してあり、後部42後端とフロア前部1aとの
間は開口している。フロアメンバ5は、前端部材50か
ら後端傾斜部53にわたる結合フランジ51をキャブフ
ロア1の前端傾斜部10、フロア前部1aおよび段部1
b下面にかけて溶接してキャブフロア1とで閉断面をな
す。フロア前部1aの前端傾斜部10の下面にはフロア
メンバ5の前端部材50との結合部に補助板13を重合
溶接して強化してある。フロアメンバ5の後端末は段部
1bを通過してフロア後部1c前端に至り、エンジンサ
ービスホール15の左右の開口側縁前端と対向してい
る。
When the floor member 5 is installed, before the front cross member 4 is joined to the front edge of the floor front portion 1a, the front edge flange 52 and the bottom front end of the front end member 50 are respectively connected to the front cross member 4 in advance. The intermediate step 43 is welded to the rear surface and the rear surface 42. Then, the front cross member 4 is joined to the front edge of the floor front portion 1a.
As shown in FIG. 4, in the front cross member 4, the intermediate step portion 43 is formed to be longer than the general portion at the joint portion of the front end member 50, and a space between the rear end of the rear portion 42 and the front portion 1 a of the floor is provided. It is open. The floor member 5 includes a connecting flange 51 extending from the front end member 50 to the rear end inclined portion 53, the front end inclined portion 10, the floor front portion 1a, and the step portion 1 of the cab floor 1.
bWelds to the lower surface to form a closed section with the cab floor 1. On the lower surface of the front inclined portion 10 of the floor front portion 1a, an auxiliary plate 13 is reinforced by overlap welding at a joint portion of the floor member 5 with the front end member 50. The rear end of the floor member 5 passes through the step portion 1b to reach the front end of the floor rear portion 1c, and faces the front ends of the left and right opening side edges of the engine service hole 15.

【0017】尚、キャブフロア1の後端は、フロア後部
1c後縁に上方へ突出し左右両端を左右のリヤピラー6
に結合した突出部12が形成してあり、突出部12の左
右両端からやや離れた位置にマウント部2を設置して、
両マウント部2を防振部材22を介してマウントボルト
23により車台フレームに締結固定してある。
The rear end of the cab floor 1 protrudes upward from the rear edge of the floor rear portion 1c, and the right and left ends of the left and right rear pillars 6 are provided.
The mounting portion 2 is installed at a position slightly apart from both left and right ends of the protruding portion 12,
Both mount portions 2 are fastened and fixed to the chassis frame by mount bolts 23 via vibration isolating members 22.

【0018】本発明のキャブフロア構造によれば、車両
衝突時、特にオフセット正面衝突時に、図6に示すよう
に、キャブフロア1の前縁側端は、フロントピラー3の
下端に結合され、かつ、マウント部2を介して車台フレ
ームに固着されるとともにマウント部2から後方へ延び
る補強板21で補強されているので剛性が高く殆ど変形
しない。相手側Wのコーナー部によりキャブフロア1の
前縁中央部にこれを後方へ押し込む大きな衝突荷重が作
用しても、フロントクロスメンバ4とともにフロアメン
バ5によりフロア前部1aの剛性が強化されており、か
つ衝突荷重がフロアメンバ5からフロア前部1aに伝達
されて衝突荷重はフロア前部1a全体に分散される。従
って、フロア前部1aの変形も全体に分散され、衝突荷
重がキャブフロア1の一部に集中して大きな座屈変形が
起こるのが防止され、乗員の足元スペースが確保され
る。また、キャブフロア1中間の段部1bは衝突時に変
形しやすいが、段部1bにもこれに沿ってフロアメンバ
5の後端53を延設したので剛性が強化され、段部1b
の変形も抑制される。
According to the cab floor structure of the present invention, the front end of the cab floor 1 is connected to the lower end of the front pillar 3 at the time of a vehicle collision, particularly at the time of an offset frontal collision, as shown in FIG. Since it is fixed to the chassis frame via the mount portion 2 and reinforced by the reinforcing plate 21 extending rearward from the mount portion 2, it has high rigidity and hardly deforms. Even if a large collision load that pushes the cab floor 1 backward at the center of the front edge of the cab floor 1 is applied by the corner portion of the counterpart W, the rigidity of the floor front portion 1a is enhanced by the floor member 5 together with the front cross member 4. In addition, the collision load is transmitted from the floor member 5 to the floor front portion 1a, and the collision load is distributed to the entire floor front portion 1a. Accordingly, the deformation of the floor front portion 1a is also dispersed throughout, and it is possible to prevent the collision load from being concentrated on a part of the cab floor 1 and to cause a large buckling deformation, thereby securing a foot space for the occupant. Further, the step portion 1b in the middle of the cab floor 1 is easily deformed at the time of collision, but the rear end 53 of the floor member 5 is also extended along the step portion 1b, so that the rigidity is strengthened and the step portion 1b
Is also suppressed.

【0019】尚、上述の実施形態ではフロアメンバ5の
前端に前端部材50を結合する構造としたが、フロアメ
ンバ5を一部品で形成してもよい。左右のフロアメンバ
5の配置は互いに前後方向に平行としてもよいが、両フ
ロアメンバ5は乗員の下方位置を通ること、およびフロ
ア前部1aの一部に偏在しないことが望ましい。従っ
て、ハ字状に配設した方が有利である。
Although the front end member 50 is connected to the front end of the floor member 5 in the above-described embodiment, the floor member 5 may be formed as a single component. The arrangement of the left and right floor members 5 may be parallel to each other in the front-rear direction, but it is desirable that both floor members 5 pass below the occupant and are not unevenly distributed in a part of the floor front portion 1a. Therefore, it is advantageous to arrange them in a C-shape.

【0020】[0020]

【発明の効果】本発明によれば、フロア前部に比較的小
型の補強部材を設置し、かつ補強部材を、車両衝突時に
衝突荷重がフロア前部全体に伝達されるように配設した
から、車両衝突時のキャブフロアの大きな座屈状の変形
を効果的に防止することができ、衝突時の乗員の足元ス
ペースを充分に確保することができる。
According to the present invention, a relatively small reinforcing member is provided at the front of the floor, and the reinforcing member is disposed so that a collision load is transmitted to the entire floor at the time of a vehicle collision. Thus, large buckling-like deformation of the cab floor at the time of a vehicle collision can be effectively prevented, and a sufficient foot space for the occupant at the time of a collision can be secured.

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

【図1】本発明のキャブフロア構造を示す平面図であ
る。
FIG. 1 is a plan view showing a cab floor structure of the present invention.

【図2】本発明のキャブフロア構造の分解斜視図であ
る。
FIG. 2 is an exploded perspective view of the cab floor structure of the present invention.

【図3】図1のIII −III 線に沿う位置での断面図であ
る。
FIG. 3 is a sectional view taken along a line III-III in FIG. 1;

【図4】図1のIV−IV線に沿う位置での断面図である。FIG. 4 is a sectional view taken along a line IV-IV in FIG. 1;

【図5】図1のV−V線に沿う位置での断面図である。FIG. 5 is a cross-sectional view taken along a line VV in FIG. 1;

【図6】オフセット衝突時の本発明のキャブフロア構造
を示す平面図である。
FIG. 6 is a plan view showing a cab floor structure of the present invention at the time of an offset collision.

【図7】従来のキャブフロア構造の平面図である。FIG. 7 is a plan view of a conventional cab floor structure.

【図8】図7のVIII−VIII線に沿う位置での断面図であ
る。
8 is a cross-sectional view taken along a line VIII-VIII in FIG.

【図9】オフセット衝突時の従来のキャブフロア構造を
示す平面図である。
FIG. 9 is a plan view showing a conventional cab floor structure at the time of an offset collision.

【符号の説明】[Explanation of symbols]

1 キャブフロア 1a フロア前部 1b 段部 11 前縁 2 マウント部 3 フロントピラー 4 フロントクロスメンバ 5 フロアメンバ 52 前端(前縁フランジ) 53 後端部(後端傾斜部) S1 運転席 S2 助手席 DESCRIPTION OF SYMBOLS 1 Cab floor 1a Floor front 1b Step 11 Front edge 2 Mount part 3 Front pillar 4 Front cross member 5 Floor member 52 Front end (front edge flange) 53 Rear end (rear end inclined part) S1 Driver's seat S2 Passenger's seat

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 キャビンが車台フレームに固定されたキ
ャブオーバー型車のキャブフロア構造において、キャブ
フロアの前縁に、左右両端を左右のフロントピラーの下
端にそれぞれ結合したフロントクロスメンバを設け、上
記フロントクロスメンバの左右両端には、上記各フロン
トピラーの下端との結合部に近接して、キャビン前部の
左右両側を車台フレームに固着するマウント部を設ける
とともに、前端が上記フロントクロスメンバの車幅方向
中央部の左右両側に結合し、キャブフロアのフロア前部
の下面に沿って後方へ延び、キャブフロアとで閉断面を
形成する左右一対のフロアメンバを設けたことを特徴と
するキャブオーバー型車のキャブフロア構造。
In a cab floor structure of a cab-over type vehicle in which a cabin is fixed to a chassis frame, a front cross member having left and right ends coupled to lower ends of left and right front pillars is provided at a front edge of the cab floor. At each of the left and right ends of the front cross member, a mounting portion for fixing the left and right sides of the front portion of the cabin to the chassis frame is provided in the vicinity of the joint with the lower end of each of the front pillars, and the front end of the front cross member is A cabover comprising a pair of left and right floor members that are joined to the left and right sides of a widthwise central portion, extend rearward along a lower surface of a front portion of the cab floor, and form a closed section with the cab floor. Cab floor structure of model cars.
【請求項2】 上記一対のフロアメンバは、前端がそれ
ぞれ運転席および助手席の斜め前方車両中央寄りの位置
で上記フロントクロスメンバに結合し、それぞれ運転席
および助手席の乗員の足元位置を通って後方へ延びるハ
字形に配設した請求項1に記載のキャブオーバー型車の
キャブフロア構造。
2. The pair of floor members have front ends coupled to the front cross member at positions obliquely forward of the driver's seat and the passenger's seat near the center of the vehicle, respectively, and pass through the foot positions of the occupants of the driver's seat and the passenger's seat, respectively. The cab floor structure of a cab-over type vehicle according to claim 1, wherein the cab floor structure is arranged in a C shape extending rearward.
【請求項3】 上記キャブフロアには前後方向中間位置
に段差が形成され、上記フロアメンバの後端部を上記段
部を通過する位置まで延設した請求項1または請求項2
に記載のキャブオーバー型車のキャブフロア構造。
3. The cab floor has a step at an intermediate position in the front-rear direction, and a rear end of the floor member extends to a position passing through the step.
The cab floor structure of the cab-over type vehicle according to 1.
JP2001117670A 2001-04-17 2001-04-17 Cab floor structure for cab-over type vehicle Pending JP2002308151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001117670A JP2002308151A (en) 2001-04-17 2001-04-17 Cab floor structure for cab-over type vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001117670A JP2002308151A (en) 2001-04-17 2001-04-17 Cab floor structure for cab-over type vehicle

Publications (1)

Publication Number Publication Date
JP2002308151A true JP2002308151A (en) 2002-10-23

Family

ID=18968177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001117670A Pending JP2002308151A (en) 2001-04-17 2001-04-17 Cab floor structure for cab-over type vehicle

Country Status (1)

Country Link
JP (1) JP2002308151A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006025438A1 (en) * 2004-09-03 2006-03-09 Nissan Motor Light Truck Co., Ltd. Vehicle body reinforcement structure
JP2014046760A (en) * 2012-08-30 2014-03-17 Mitsubishi Motors Corp Vehicle body front part frame structure
JP2015116960A (en) * 2013-12-19 2015-06-25 三菱自動車工業株式会社 Structure of cab-over type vehicle
JP2015116961A (en) * 2013-12-19 2015-06-25 三菱自動車工業株式会社 Structure of cab-over type vehicle
CN108454715A (en) * 2017-02-20 2018-08-28 五十铃自动车株式会社 Driver's cabin reinforces construction

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006025438A1 (en) * 2004-09-03 2006-03-09 Nissan Motor Light Truck Co., Ltd. Vehicle body reinforcement structure
EP1801000A1 (en) * 2004-09-03 2007-06-27 Nissan Motor Light Truck Co., Ltd Vehicle body reinforcement structure
EP1801000A4 (en) * 2004-09-03 2009-07-22 Nissan Motor Light Truck Co Vehicle body reinforcement structure
JP2014046760A (en) * 2012-08-30 2014-03-17 Mitsubishi Motors Corp Vehicle body front part frame structure
JP2015116960A (en) * 2013-12-19 2015-06-25 三菱自動車工業株式会社 Structure of cab-over type vehicle
JP2015116961A (en) * 2013-12-19 2015-06-25 三菱自動車工業株式会社 Structure of cab-over type vehicle
CN108454715A (en) * 2017-02-20 2018-08-28 五十铃自动车株式会社 Driver's cabin reinforces construction
JP2018134906A (en) * 2017-02-20 2018-08-30 いすゞ自動車株式会社 Cab reinforcement structure
CN108454715B (en) * 2017-02-20 2021-08-17 五十铃自动车株式会社 Cab reinforcing structure

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