JPS63147956U

JPS63147956U -

Info

Publication number: JPS63147956U
Application number: JP3911287U
Authority: JP
Priority date: 1987-03-19
Filing date: 1987-03-19
Publication date: 1988-09-29

Description

[Brief explanation of the drawing]

第１図は本考案に係わるベルトの張力調整装置
の一実施例を示す図で、Ａは正面図、ＢはＡ中Ｂ
―Ｂ断面図、第２図は第１図Ａ中Ａ矢視図、第３
図は同上実施例における警報回路を示す図、第４
図は同上実施例を用いた補機駆動プーリのベルト
レイアウト図、第５図は他の実施例を示す図で、
Ａは正面図、Ｂは側面断面図、第６図は従来装置
を示す図で、Ａは正面図、Ｂは側面断面図である
。１……ブラケツト、３……回転部材、４，２５
……アイドラプーリ、５，３０……スプリング、
７……プレート、９……溝、１０，３１……突起
、１３……ドライブベルト、１４，１５……隆起
部、１８……響報ランプ、２６……ベース、２７
……カバー、２９……アーム、３２……接点部材
、Ａ……スイツチ、ａ……スイツチ片、ｂ，ｃ…
…スイツチ接点。 FIG. 1 is a diagram showing an embodiment of the belt tension adjustment device according to the present invention, where A is a front view and B is a middle view of A.
-B sectional view, Figure 2 is a view from arrow A in Figure 1A, Figure 3
The figure is a diagram showing the alarm circuit in the same embodiment as above.
The figure is a belt layout diagram of an auxiliary drive pulley using the same embodiment, and FIG. 5 is a diagram showing another embodiment.
A is a front view, B is a side sectional view, and FIG. 6 is a diagram showing a conventional device, where A is a front view and B is a side sectional view. 1... Bracket, 3... Rotating member, 4, 25
...Idler pulley, 5,30...Spring,
7... Plate, 9... Groove, 10, 31... Protrusion, 13... Drive belt, 14, 15... Protrusion, 18... Sound warning lamp, 26... Base, 27
...Cover, 29...Arm, 32...Contact member, A...Switch, a...Switch piece, b, c...
...Switch contact.

Claims

[Scope of utility model registration request]

In a belt tension adjustment device that adjusts belt tension by biasing a belt stretched between a plurality of pulleys by an idler pulley, the idler pulley displacement position is outside the range corresponding to the set tension of the belt. A belt tension adjustment device characterized by being equipped with an alarm circuit that detects and issues an alarm.