JP2000127777A - Support structure for vehiclar transmission - Google Patents
Support structure for vehiclar transmissionInfo
- Publication number
- JP2000127777A JP2000127777A JP10303118A JP30311898A JP2000127777A JP 2000127777 A JP2000127777 A JP 2000127777A JP 10303118 A JP10303118 A JP 10303118A JP 30311898 A JP30311898 A JP 30311898A JP 2000127777 A JP2000127777 A JP 2000127777A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- leaf spring
- bolt
- side members
- pair
- 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
Links
Landscapes
- Arrangement Of Transmissions (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、車両のシャシフレ
ームの一対のサイドメンバ間に変速機を支持する構造に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for supporting a transmission between a pair of side members of a chassis frame of a vehicle.
【0002】[0002]
【従来の技術】図3で示すように、車両のシャシフレー
ムのうち車両前後方向に延在する左右一対のサイドメン
バ1間に架設したリーフスプリング2に変速機3を、そ
の上面に固設されているブラケット8介して2本のボル
ト9a,9bによって締結支持し、一対のサイドメンバ
1間に変速機3を支持してサイドメンバ上面への他部品
の架装性向上とサスペンションのバウンド及びリバウン
ドによる変位を抑制するようにした車両の変速機の支持
構造は、例えば、特開平9−18849号で開示されて
いる。尚、図3において符号6はスペーサを示す。2. Description of the Related Art As shown in FIG. 3, a transmission 3 is fixed to an upper surface of a leaf spring 2 provided between a pair of left and right side members 1 extending in the longitudinal direction of a vehicle in a chassis frame of the vehicle. Is fastened and supported by two bolts 9a and 9b via a bracket 8, and the transmission 3 is supported between the pair of side members 1 to improve the mountability of other components on the upper surface of the side members and to bounce and rebound the suspension. A supporting structure of a transmission for a vehicle in which displacement caused by the vehicle is suppressed is disclosed in, for example, Japanese Patent Application Laid-Open No. Hei 9-18849. In FIG. 3, reference numeral 6 denotes a spacer.
【0003】[0003]
【発明が解決しようとする課題】上記の従来構造では、
リーフスプリング2への変速機3の支持は2本のボルト
9a,9bによる2点支持である。この2点支持による
2点軸間によって、エンジンの始動時や回転変動等によ
りパワーラインが捩じれたときに図4で示すように、リ
ーフスプリング2が大きく変形する。このリーフスプリ
ング2の大きな変形量によってボルト9a,9bへ応力
集中して大きな負荷が作用する恐れがあった。In the above conventional structure,
The transmission 3 is supported on the leaf spring 2 by two bolts 9a and 9b. As shown in FIG. 4, the leaf spring 2 is greatly deformed due to the two-point support between the two-point shafts when the power line is twisted due to starting of the engine or rotation fluctuation. Due to the large amount of deformation of the leaf spring 2, there is a possibility that a large load acts due to stress concentration on the bolts 9a and 9b.
【0004】本発明の目的は、一対のサイドメンバ間に
変速機を支持するボルトへの応力集中を低減した車両の
変速機の支持構造を提供することである。[0004] It is an object of the present invention to provide a vehicle transmission support structure in which stress concentration on a bolt supporting the transmission between a pair of side members is reduced.
【0005】[0005]
【課題を解決するための手段】上記の目的を達成するた
め本発明は、車両のシャシフレームのうち車両前後方向
に延在する左右一対のサイドメンバ間に架設したリーフ
スプリングと、上下両面を弾性体で挾んだマウントブラ
ケットを上面に固設した変速機とからなり、前記左右一
対のサイドメンバ間の略中央部位における前記リーフス
プリングと前記マウントブラケットとを1本のボルトに
よって締結して前記変速機を前記リーフスプリングに1
点支持したことを特徴とするものである。SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a leaf spring which is provided between a pair of left and right side members extending in the vehicle front-rear direction in a vehicle chassis frame, and has upper and lower elastic surfaces. A transmission in which a mount bracket sandwiched by a body is fixed on the upper surface, and the leaf spring and the mount bracket at a substantially central portion between the pair of left and right side members are fastened by one bolt to perform the speed change. Machine to the leaf spring
It is characterized by point support.
【0006】[0006]
【発明の実施の形態】以下本発明の実施の形態を図面に
基づいて説明する。図1において、1は車両のシャシフ
レームのうち車両前後方向に延在する左右一対のサイド
メンバ、2は前記左右一対のサイドメンバ1間に架設し
たリーフスプリングである。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a pair of left and right side members extending in the vehicle front-rear direction of a chassis frame of a vehicle, and 2 denotes a leaf spring installed between the pair of left and right side members 1.
【0007】図1及び図2において、3は前記リーフス
プリング2に支持された変速機である。この変速機3の
上面には、上下両面をラバー等の弾性体5で挾んだZ形
のマウントブラケット4が固設されている。[0007] In FIGS. 1 and 2, reference numeral 3 denotes a transmission supported by the leaf spring 2. A Z-shaped mount bracket 4 having upper and lower surfaces sandwiched between elastic members 5 such as rubber is fixedly provided on the upper surface of the transmission 3.
【0008】前記左右一対のサイドメンバ1間の略中央
部位における前記リーフスプリング2と前記マウントブ
ラケット4とをスペーサ6を介在して1本のボルト7に
よって締結し、前記変速機3を1点支持したものであ
る。The leaf spring 2 and the mounting bracket 4 at a substantially central portion between the pair of left and right side members 1 are fastened by one bolt 7 with a spacer 6 interposed therebetween, thereby supporting the transmission 3 at one point. It was done.
【0009】本発明は上記の通りの構造であるから、変
速機3はリーフスプリング2の中心位置において1本の
ボルト7と弾性体5を備えたマウントブラケット4とに
よる1点支持であるため、エンジン振動や悪路走行時の
振動をボルト7を中心とする360°の全範囲において
吸収する。Since the present invention is structured as described above, the transmission 3 is supported at one point by one bolt 7 and the mount bracket 4 provided with the elastic body 5 at the center position of the leaf spring 2. It absorbs engine vibrations and vibrations when traveling on rough roads over the entire 360 ° range around the bolt 7.
【0010】また、前記リーフスプリング2の中心位置
において1本のボルト7による1点支持によって、エン
ジンの始動時や回転変動等によりパワーラインが捩じれ
てもリーフスプリング2の変形量は小さいため、ボルト
7への応力集中を低減することができる。Further, since the single point support by one bolt 7 at the center position of the leaf spring 2, even if the power line is twisted at the time of engine start or rotation fluctuation, the amount of deformation of the leaf spring 2 is small. 7 can be reduced.
【0011】[0011]
【発明の効果】以上述べたように本発明によると、車両
のシャシフレームの一対のサイドメンバ間のリーフスプ
リングの中心位置に弾性体を備えたマウントブラケット
を介して1本のボルトにより変速機を支持した構造であ
るから、エンジン振動や悪路走行時の振動をボルトを中
心とする360°の全範囲において吸収すると共に、エ
ンジンの始動時や回転変動等によりパワーラインが捩じ
れによるリーフスプリングの変形量を小さくし、ボルト
への応力集中を低減して変速機の支持性を向上する利点
を有している。また、支持ボルト本数が半減するため、
部品点数の削減と組付工数の低減が図られる。As described above, according to the present invention, the transmission is controlled by one bolt via the mount bracket provided with the elastic body at the center position of the leaf spring between the pair of side members of the chassis frame of the vehicle. Due to the support structure, it absorbs engine vibrations and vibrations on rough roads over the entire 360 ° range centered on the bolts, and also deforms the leaf springs due to twisting of the power line at engine start-up and rotation fluctuations. This has the advantage of reducing the amount, reducing the stress concentration on the bolt, and improving the supportability of the transmission. Also, since the number of support bolts is halved,
The number of parts and the number of assembly steps are reduced.
【図1】本発明の車両の変速機の支持構造を示す正面図FIG. 1 is a front view showing a support structure for a transmission of a vehicle according to the present invention.
【図2】図1のA−A矢視断面図FIG. 2 is a sectional view taken along the line AA of FIG. 1;
【図3】従来の車両の変速機の支持構造を示す正面図FIG. 3 is a front view showing a conventional vehicle transmission support structure.
【図4】従来の車両の変速機の支持構造の不具合図FIG. 4 is a defect diagram of a conventional vehicle transmission support structure.
1 サイドメンバ 2 リーフスプリング 3 変速機 4 マウントブラケット 5 弾性体 6 スペーサ 7 ボルト DESCRIPTION OF SYMBOLS 1 Side member 2 Leaf spring 3 Transmission 4 Mount bracket 5 Elastic body 6 Spacer 7 Bolt
Claims (1)
向に延在する左右一対のサイドメンバ間に架設したリー
フスプリングと、上下両面を弾性体で挾んだマウントブ
ラケットを上面に固設した変速機とからなり、前記左右
一対のサイドメンバ間の略中央部位における前記リーフ
スプリングと前記マウントブラケットとを1本のボルト
によって締結して前記変速機を前記リーフスプリングに
1点支持したことを特徴とする車両の変速機の支持構
造。1. A transmission having a leaf spring extending between a pair of left and right side members extending in the vehicle longitudinal direction of a chassis frame of a vehicle and a mount bracket having upper and lower surfaces sandwiched by elastic bodies fixed to an upper surface. Wherein the leaf spring and the mounting bracket at a substantially central portion between the pair of left and right side members are fastened with one bolt to support the transmission at one point on the leaf spring. Support structure for vehicle transmission.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30311898A JP3998086B2 (en) | 1998-10-26 | 1998-10-26 | Support structure for vehicle transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30311898A JP3998086B2 (en) | 1998-10-26 | 1998-10-26 | Support structure for vehicle transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000127777A true JP2000127777A (en) | 2000-05-09 |
JP3998086B2 JP3998086B2 (en) | 2007-10-24 |
Family
ID=17917106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30311898A Expired - Fee Related JP3998086B2 (en) | 1998-10-26 | 1998-10-26 | Support structure for vehicle transmission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3998086B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019151218A (en) * | 2018-03-02 | 2019-09-12 | いすゞ自動車株式会社 | Cross member of vehicle |
-
1998
- 1998-10-26 JP JP30311898A patent/JP3998086B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019151218A (en) * | 2018-03-02 | 2019-09-12 | いすゞ自動車株式会社 | Cross member of vehicle |
JP7054472B2 (en) | 2018-03-02 | 2022-04-14 | いすゞ自動車株式会社 | Vehicle cross member |
Also Published As
Publication number | Publication date |
---|---|
JP3998086B2 (en) | 2007-10-24 |
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