JP2000337463A - Tension device of belt for power transmission - Google Patents

Tension device of belt for power transmission

Info

Publication number
JP2000337463A
JP2000337463A JP11144277A JP14427799A JP2000337463A JP 2000337463 A JP2000337463 A JP 2000337463A JP 11144277 A JP11144277 A JP 11144277A JP 14427799 A JP14427799 A JP 14427799A JP 2000337463 A JP2000337463 A JP 2000337463A
Authority
JP
Japan
Prior art keywords
pulley
bracket
tension
groove hole
belt
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
JP11144277A
Other languages
Japanese (ja)
Other versions
JP3494359B2 (en
Inventor
Toshiro Kimura
利郎 木村
Kazuhide Takao
和秀 高尾
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.)
Daihatsu Motor Co Ltd
Original Assignee
Daihatsu Motor 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 Daihatsu Motor Co Ltd filed Critical Daihatsu Motor Co Ltd
Priority to JP14427799A priority Critical patent/JP3494359B2/en
Publication of JP2000337463A publication Critical patent/JP2000337463A/en
Application granted granted Critical
Publication of JP3494359B2 publication Critical patent/JP3494359B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

PROBLEM TO BE SOLVED: To reduce interval pitch of fitting bolts and to make a bracket small size and lightweight by communicatedly providing a branch groove hole extending in the lateral direction from a slotted groove hole on the bracket, and mutually moving a pulley for tension between the slotted groove hole and the branch groove hole. SOLUTION: A bracket 9 is fitted to an internal combustion engine by a plurality of bolts 8, provided with a slotted groove 10 extending in the direction of tensing a belt to insert the supporting shaft 11 of a pulley 7 for tension slidably in the lengthwise direction. A branch groove 15 communicated to the slotted groove hole 10 and extending in the lateral direction is drillingly provided, and the supporting shaft 11 of the tension pulley 7 is mutually moved between the slotted groove hole 10 and the branch groove hole 15. Hereby, an overlapped territory of the pulley 7 (parallel oblique line) in the condition of moving the pulley 7 to the one end of the slotted groove hole 10 (one-dot chain line), the condition of moving to the other end (two-dot chain line), and the condition of moving to fit to the branch groove hole 15, is narrowed, and hence the interval pitch of the bolts 8 can be reduced.

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、内燃機関等におい
て、複数個のプーリの間に動力伝達のために巻掛けされ
たベルトを緊張するためのテンション装置に関するもの
である。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tension device for tensioning a belt wound around a plurality of pulleys for power transmission in an internal combustion engine or the like.

【0002】[0002]

【従来の技術と発明が解決しようとする課題】従来、こ
の種のテンション装置は、内燃機関等の機体にブラケッ
トを複数本のボルトに取付け、このブラケットに、ベル
トを巻掛けしたテンション用プーリを、前記ベルトを緊
張する方向に往復動するように取付けるようにしてい
る。
2. Description of the Related Art Conventionally, in this type of tension device, a bracket is mounted on a body of an internal combustion engine or the like with a plurality of bolts, and a tension pulley around which a belt is wound is mounted on the bracket. The belt is mounted so as to reciprocate in a tensioning direction.

【0003】しかし、この従来におけるテンション装置
においては、前記テンション用プーリの支持軸を、前記
ブラケットに、ベルトを緊張する方向に一直線状に延び
るように穿設した長溝孔内に、当該長溝孔の長手方向に
従動自在に嵌挿するという構成にしているから、以下に
詳しく説明するように、前記ブラケットの大型化を招来
するという問題があった。
However, in this conventional tensioning device, the support shaft of the tension pulley is inserted into a long slot formed in the bracket so as to extend linearly in the direction in which the belt is tensioned. Since the configuration is such that the bracket is movably fitted in the longitudinal direction, there is a problem that the size of the bracket is increased as described in detail below.

【0004】本発明は、この問題を解消したテンション
装置を提供することを技術的課題とするものである。
An object of the present invention is to provide a tension device that solves this problem.

【0005】[0005]

【課題を解決するための手段】この技術的課題を達成す
るため本発明は、「動力伝達用ベルトを巻掛けしたテン
ション用プーリを、内燃機関等の機体に対して複数本の
ボルトにて取付けたブラケットに、当該ブラケットに穿
設した長溝孔に沿って前記ベルトを緊張する方向に往復
動するように設けて成るテンション装置において、前記
ブラケットに、前記長溝孔から横方向に延びる枝溝孔
を、前記テンション用プーリを前記長溝孔と当該枝溝孔
との間を相互に移動できるように前記長溝孔に連通して
穿設する。」と言う構成にした。
In order to achieve this technical object, the present invention provides a method of mounting a tension pulley on which a power transmission belt is wound around a body of an internal combustion engine or the like with a plurality of bolts. A bracket provided on the bracket so as to reciprocate in a direction in which the belt is tensioned along a long hole formed in the bracket, wherein the bracket has a branch groove extending laterally from the long hole. The tension pulley is bored in communication with the long slot so that the tension pulley can move between the long slot and the branch slot.

【0006】[0006]

【発明の実施の形態】以下、本発明の実施の形態を、図
1〜図3の図面について説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

【0007】この図において、符号1は、内燃機関を、
符号2は、この内燃機関1におけるクランク軸3に嵌着
したプーリを、符号4,5は、前記内燃機関1に対する
オルタネータ又は潤滑油ポンプ等のエンジン補機におけ
るプーリを各々示し、これら各プーリ2,4,5には、
クランク軸3の回転をエンジン補機に伝達するためのベ
ルト6が巻掛けされている。
In this figure, reference numeral 1 denotes an internal combustion engine,
Reference numeral 2 denotes a pulley fitted to the crankshaft 3 of the internal combustion engine 1, and reference numerals 4 and 5 denote pulleys of an engine accessory such as an alternator or a lubricating oil pump for the internal combustion engine 1, respectively. , 4,5
A belt 6 for transmitting the rotation of the crankshaft 3 to the engine auxiliary machine is wound.

【0008】また、符号7は、前記各プーリ2,4,5
の間の部位に、前記ベルト6を巻掛けするように配設し
たテンション用のプーリを示し、このテンション用のプ
ーリ7は、前記内燃機関1に対して複数本(三本)のボ
ルト8にて取付けられるブラケット9に、前記ベルト6
を緊張する方向に往復動するように取付けられている。
Reference numeral 7 denotes each of the pulleys 2, 4, 5
A pulley for tension disposed so as to wind the belt 6 is shown at a portion between the two. The pulley 7 for tension is connected to a plurality of (three) bolts 8 with respect to the internal combustion engine 1. The belt 6 is attached to a bracket 9 attached by
Is mounted so as to reciprocate in the direction of tension.

【0009】すなわち、前記ブラケット9に、前記ベル
ト6を緊張する方向に延びる長溝孔10を穿設して、こ
の長溝孔10内に前記テンション用プーリ7の支持軸1
1を当該長溝孔10の長手方向に摺動自在に嵌挿し、こ
の支持軸11に係合した連結片12に、一端を前記ブラ
ケット9における一端部9aに支持したテンション用ボ
ルト13の先端を螺合することにより、このテンション
用ボルト13にて前記テンション用プーリ7を、前記ベ
ルト6を緊張する方向に往復動するように構成する一
方、前記支持軸11の一端に、当該支持軸11をブラケ
ット9に対して締結するためのナット14を設けて、こ
のナット14の締結にて、前記テンション用プーリ7を
任意の移動位置において固定できるように構成する。
That is, a long slot 10 extending in the direction in which the belt 6 is tensioned is formed in the bracket 9, and the support shaft 1 of the tension pulley 7 is provided in the long slot 10.
1 is slidably fitted in the longitudinal direction of the long slot 10, and the tip of a tension bolt 13 whose one end is supported by one end 9 a of the bracket 9 is screwed into the connecting piece 12 engaged with the support shaft 11. The tension pulley 7 is configured to reciprocate in a direction in which the belt 6 is tensioned by the tension bolt 13, while the support shaft 11 is attached to one end of the support shaft 11 by a bracket. A nut 14 is provided to fasten the tension pulley 7 with the nut 9, and the tension pulley 7 can be fixed at an arbitrary moving position by fastening the nut 14.

【0010】そして、前記ブラケット9に、図3に示す
ように、前記長溝孔10に連通してこの長溝孔10から
横方向に延びる枝溝孔15を穿設して、テンション用プ
ーリ7における支持軸11が、前記長溝孔10と当該枝
溝孔15との間を相互に移動できるように構成する。
As shown in FIG. 3, the bracket 9 is provided with a branch slot 15 communicating with the slot 10 and extending laterally from the slot 10 so as to support the tension pulley 7. The shaft 11 is configured to be able to move between the long slot 10 and the branch slot 15 mutually.

【0011】この構成において、テンション用プーリ7
を内燃機関1に対して取付けて、ベルト6を緊張するに
際しては、 このテンション用プーリ7を、その支持軸
11をブラケット9における長溝孔10内に挿入するよ
うに組み付け、この状態で、ブラケット9を、内燃機関
1に対して複数本のボルト8の締結にて取付け、次い
で、前記テンション用プーリ7にベルト6を巻掛けした
のちテンション用ボルト13を組み付け、このテンショ
ン用ボルト13にてテンション用プーリ7を移動してベ
ルト6を適度に緊張し、ナット14の締結にてこの緊張
状態に保持するのである。
In this configuration, the tension pulley 7
When the tension is attached to the internal combustion engine 1 and the belt 6 is tensioned, the tension pulley 7 is assembled such that the support shaft 11 is inserted into the long slot 10 of the bracket 9, and in this state, the bracket 9 is mounted. Is attached to the internal combustion engine 1 by fastening a plurality of bolts 8, then the belt 6 is wound around the tension pulley 7, and then a tension bolt 13 is assembled. The pulley 7 is moved to tension the belt 6 appropriately, and the tension is maintained by fastening the nut 14.

【0012】ところで、テンション用プーリ7を組み付
けたブラケット9を、内燃機関1に対して複数本のボル
ト8にて取付けるに際しては、前記テンション用プーリ
7を、ブラケット9における長溝孔10に沿ってその一
端から他端に移動しながら前記各ボルト8の締結を行う
のである。
When mounting the bracket 9 on which the tension pulley 7 is assembled to the internal combustion engine 1 with a plurality of bolts 8, the tension pulley 7 is moved along the slot 10 in the bracket 9. The bolts 8 are fastened while moving from one end to the other end.

【0013】しかし、この場合において、ブラケット9
に枝溝孔15が穿設されておらず、従って、長溝孔10
が、図4に示すように、一直線状であるときには、プー
リ7を、図4に一点鎖線で示すように、長溝孔10の一
端に移動した状態と、図4に二点鎖線で示すように、長
溝孔10の他端に移動した状態とにおける前記プーリ7
の重なり領域(図4に平行斜線を施した領域)が広くな
ることにより、前記複数本の各ボルト8は、この重なり
領域の外側に配設するようにしなければこれを締結する
ことができず、換言すると、各ボルト8の間隔ピッチ
を、前記重なり領域が広い分だけ大きくしなければなら
ないから、この分だけブラケット7が大型化になるので
ある。
However, in this case, the bracket 9
Is not provided with a branch slot 15 and therefore the slot 10
However, when the pulley 7 is linear as shown in FIG. 4, the pulley 7 is moved to one end of the slot 10 as shown by a dashed line in FIG. Pulley 7 in a state where it is moved to the other end of the long slot 10.
Since the overlapping area (the area shaded in parallel in FIG. 4) is widened, the plurality of bolts 8 cannot be fastened unless they are arranged outside the overlapping area. In other words, since the pitch between the bolts 8 must be increased by the width of the overlapping area, the size of the bracket 7 increases accordingly.

【0014】これに対し、前記したように、ブラケット
9に、前記長溝孔10から横方向に延びる枝溝孔15を
穿設し、テンション用プーリ7をこの枝溝孔15に嵌ま
るようにも移動できるように構成した場合には、プーリ
7を、図3に一点鎖線で示すように、長溝孔10の一端
に移動した状態と、図3に二点鎖線で示すように、長溝
孔10の他端に移動した状態とに加えて、図3に三点鎖
線で示すように、枝溝孔15に嵌まるように移動した状
態とにおける前記プーリ7の重なり領域(図3に平行斜
線を施した領域)は、前記図4のように長溝孔10を一
直線状にした場合よりも場合よりも狭くなるから、各ボ
ルト8の間隔ピッチを小さくすることができるのであ
る。
On the other hand, as described above, the bracket 9 is provided with the branch groove 15 extending in the lateral direction from the long groove 10 so that the tension pulley 7 is fitted in the branch groove 15. When the pulley 7 is configured to be movable, the pulley 7 is moved to one end of the slot 10 as shown by a dashed line in FIG. In addition to the state where the pulley 7 is moved to the other end and the state where the pulley 7 is moved so as to fit into the branch slot 15 as shown by a three-dot chain line in FIG. 4) is narrower than the case where the long slot 10 is formed in a straight line as shown in FIG. 4, so that the pitch between the bolts 8 can be reduced.

【0015】なお、前記枝溝孔15は、長溝孔10にお
ける一端に連通するように穿設することに代えて、長溝
孔10の他端又は長溝孔10の途中に連通するように延
びるように穿設しても良く、また、本発明は、内燃機関
における動力伝達用ベルトに限らず、他の機械における
動力伝達用ベルトに対しても適用できることはいうまで
もない。
It should be noted that, instead of forming the branch slot 15 so as to communicate with one end of the slot 10, the branch slot 15 extends so as to communicate with the other end of the slot 10 or the middle of the slot 10. It is needless to say that the present invention can be applied not only to the power transmission belt in the internal combustion engine but also to a power transmission belt in another machine.

【0016】[0016]

【発明の作用・効果】以上の通り、本発明によると、ブ
ラケットに、前記長溝孔から横方向に延びる枝溝孔を、
前記テンション用プーリを前記長溝孔と当該枝溝孔との
間を相互に移動できるように前記長溝孔に連通して穿設
したことにより、前記ブラケットを内燃機関等の機体に
対して取付けるための複数本の各ボルトの間隔ピッチを
小さくできるから、前記ブラケットを、小型・軽量化で
きる効果を有する。
As mentioned above, according to the present invention, according to the present invention, the bracket is provided with the branch slot extending laterally from the long slot.
The bracket is attached to a body such as an internal combustion engine by drilling the tension pulley in communication with the slot so that the tension pulley can move between the slot and the branch slot. Since the pitch between the plurality of bolts can be reduced, the bracket can be reduced in size and weight.

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

【図1】本発明の実施の形態を示す正面図である。FIG. 1 is a front view showing an embodiment of the present invention.

【図2】図1のII−II視拡大断面図である。FIG. 2 is an enlarged sectional view taken along line II-II of FIG.

【図3】図2のIII −III 視断面図である。FIG. 3 is a sectional view taken along line III-III of FIG. 2;

【図4】本発明に至る以前のものを示す図である。FIG. 4 is a diagram showing a state before the present invention is reached.

【符号の説明】[Explanation of symbols]

1 内燃機関 2 クランク軸のプーリ 4,5 エンジン補機用プーリ 6 ベルト 7 テンション用プーリ 8 ボルト 9 ブラケット 10 長溝孔 11 プーリの支持軸 13 テンション用ボルト DESCRIPTION OF SYMBOLS 1 Internal-combustion engine 2 Pulley of crankshaft 4, 5 Pulley for engine accessories 6 Belt 7 Pulley for tension 8 Bolt 9 Bracket 10 Long slot hole 11 Pulley support shaft 13 Tension bolt

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】動力伝達用ベルトを巻掛けしたテンション
用プーリを、内燃機関等の機体に対して複数本のボルト
にて取付けたブラケットに、当該ブラケットに穿設した
長溝孔に沿って前記ベルトを緊張する方向に往復動する
ように設けて成るテンション装置において、 前記ブラケットに、前記長溝孔から横方向に延びる枝溝
孔を、前記テンション用プーリを前記長溝孔と当該枝溝
孔との間を相互に移動できるように前記長溝孔に連通し
て穿設したことを特徴とする動力伝達用ベルトのテンシ
ョン装置。
1. A tension pulley around which a power transmission belt is wound is attached to a bracket attached to a body of an internal combustion engine or the like with a plurality of bolts along a long slot formed in the bracket. A tension device provided so as to reciprocate in a direction in which the tension is applied to the bracket. The power transmission belt tensioning device is provided so as to communicate with the long slot so as to be able to move mutually.
JP14427799A 1999-05-25 1999-05-25 Belt tension device for power transmission Expired - Fee Related JP3494359B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14427799A JP3494359B2 (en) 1999-05-25 1999-05-25 Belt tension device for power transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14427799A JP3494359B2 (en) 1999-05-25 1999-05-25 Belt tension device for power transmission

Publications (2)

Publication Number Publication Date
JP2000337463A true JP2000337463A (en) 2000-12-05
JP3494359B2 JP3494359B2 (en) 2004-02-09

Family

ID=15358351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14427799A Expired - Fee Related JP3494359B2 (en) 1999-05-25 1999-05-25 Belt tension device for power transmission

Country Status (1)

Country Link
JP (1) JP3494359B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006161886A (en) * 2004-12-03 2006-06-22 Ntn Corp Fixed type belt tensioner
EP1645779A3 (en) * 2004-10-09 2007-04-25 Bayerische Motorenwerke Aktiengesellschaft Tensioning roll for an endless drive in an internal combustion engine, especially linear tensioner for V-ribbed belt
JP2015086946A (en) * 2013-10-31 2015-05-07 日野自動車株式会社 Belt tension adjustment device of torque transmission mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645779A3 (en) * 2004-10-09 2007-04-25 Bayerische Motorenwerke Aktiengesellschaft Tensioning roll for an endless drive in an internal combustion engine, especially linear tensioner for V-ribbed belt
JP2006161886A (en) * 2004-12-03 2006-06-22 Ntn Corp Fixed type belt tensioner
JP4739739B2 (en) * 2004-12-03 2011-08-03 Ntn株式会社 Fixed belt tensioner
JP2015086946A (en) * 2013-10-31 2015-05-07 日野自動車株式会社 Belt tension adjustment device of torque transmission mechanism

Also Published As

Publication number Publication date
JP3494359B2 (en) 2004-02-09

Similar Documents

Publication Publication Date Title
US7124733B2 (en) Mounting structure of motor generator for internal combustion engine
JP2000337463A (en) Tension device of belt for power transmission
JPH09196283A (en) Engine device for vehicle
JP3096182B2 (en) Engine mounting structure
DE69917599D1 (en) Camshaft chain drive for an internal combustion engine with two overhead camshafts
JP3012991B2 (en) Vehicle engine
JP2002332866A (en) Mounting structure for auxiliary equipment
JP2528540Y2 (en) Engine accessory mounting device
JPS59190429A (en) Alternator
JPS624652Y2 (en)
JP4577780B2 (en) Mounting device for engine auxiliary machine in internal combustion engine
JP2001115852A (en) Mounting structure of engine auxiliary machinery
CN208281058U (en) A kind of novel accessory wheel system reducing engine fuel consumption
JPH0242542Y2 (en)
JP2000282829A (en) Lubricating device for timing chain
JP2890489B2 (en) Belt tensioner
JPH0539730A (en) Accessory fixing structure for v-type engine
KR100401878B1 (en) Noise decreasing structure of timing chain in vehicle
KR100312180B1 (en) Brackets for Belt Tensioning of Belt Systems of Automotive Engines
JP2561817Y2 (en) Attaching device for auxiliary equipment in internal combustion engine
JPH01193032A (en) V type engine
JP2550859Y2 (en) Oil level gauge guide support structure
JPS6077780U (en) Car cooler compressor drive structure
JP2568840Y2 (en) Engine accessory mounting device
JP2002309961A (en) Auxiliary machine drive device for internal combustion engine

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees