JPS6058952U

JPS6058952U - Belt tension adjustment device

Info

Publication number: JPS6058952U
Application number: JP15187783U
Authority: JP
Inventors: 長田　一司
Original assignee: トヨタ自動車株式会社
Priority date: 1983-09-29
Filing date: 1983-09-29
Publication date: 1985-04-24
Also published as: JPS6235960Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、自動車用内燃機関の正面図、第２図は、従来
のベルト張力調整装置の縦断面図、第３図は、本考案の
第１の実施例に係るベルト張力調整装置の縦断面図、第
４図は、第３図のＡ部拡大図、第５図は、第３図のアイ
ドルプーリの支承構造を示す拡大縦断面図、第６図は、
第３図の作動説明図、第７図は、本考案の第２実施例に
係るベルト張力調整装置の一部縦断面図、第８図は、第
７図の作動説明図である。１・・・コンプレッサ（被駆動装置）、２・・・■ベル
ト（ベルト）、３・・・アイドルプーリ、５・・・内燃
機関本体（駆動装置）、（１１・・中ラド、１２・・・
マーク）　（たわみ量表示装置）、１４・・・貫通孔、
２２・・・ベルト張力調整装置、２３・・・調整ボルト
、２４・・・ブラケット、２５・・・ゴム部材（弾発部
材）、２６・・・支持シャフト、２７・・・頭部、２８
・・・ねじ　　　。部、３３・・・貫通孔、４４・・・楕円図形（たわみ量
表示装置）。FIG. 1 is a front view of an internal combustion engine for an automobile, FIG. 2 is a longitudinal sectional view of a conventional belt tension adjustment device, and FIG. 3 is a longitudinal sectional view of a belt tension adjustment device according to a first embodiment of the present invention. 4 is an enlarged view of part A in FIG. 3, FIG. 5 is an enlarged longitudinal sectional view showing the support structure of the idle pulley in FIG. 3, and FIG. 6 is an enlarged view of part A in FIG.
FIG. 3 is an explanatory view of the operation, FIG. 7 is a partial longitudinal sectional view of the belt tension adjusting device according to the second embodiment of the present invention, and FIG. 8 is an explanatory view of the operation of FIG. 7. 1... Compressor (driven device), 2... ■ Belt (belt), 3... Idle pulley, 5... Internal combustion engine main body (drive device), (11... Middle Rad, 12...・
mark) (deflection amount display device), 14... through hole,
22... Belt tension adjustment device, 23... Adjustment bolt, 24... Bracket, 25... Rubber member (elastic member), 26... Support shaft, 27... Head, 28
···screw . Part, 33... Through hole, 44... Oval shape (deflection amount display device).

Claims

[Claims for Utility Model Registration] Consisting of an adjustment bolt, a bracket, a support shaft, and a resilient member, the adjustment bolt has a head for engaging a tool, and a screw having a male thread. a through hole is bored in the bracket; an idle pulley is rotatably supported at one end of the support shaft; and an idle pulley is rotatably supported at the other end of the support shaft. , a through hole penetrating perpendicularly to the axial direction is bored, and a female thread is carved in the through hole, the bracket is connected to a drive device, and the adjustment bolt is connected to the The support shaft is rotatably fitted into the through hole of the bracket, and the support shaft is located on the side opposite to the head of the adjustment bolt with respect to the bracket, and the support shaft is rotatably inserted into the through hole of the support shaft. The resilient member is disposed between the head of the adjustment bolt and the bracket, and the resilient member is disposed between the head of the adjustment bolt and the bracket.
A belt tension adjustment device that adjusts the tension of a belt connecting a drive device, the idle pulley, and a driven device to an appropriate value by rotating the adjustment bolt, the belt tension adjustment device adjusting the amount of deflection of the elastic member. A belt tension adjustment device comprising a deflection amount display device.