JPH0361121U

JPH0361121U -

Info

Publication number: JPH0361121U
Application number: JP12198989U
Authority: JP
Priority date: 1989-10-17
Filing date: 1989-10-17
Publication date: 1991-06-14

Description

[Brief explanation of drawings]

第１図〜第２図は本考案の実施例を示し、第１
図はラジエータ搭載型横型水冷エンジンの背面図
、第２図はテンシヨンプーリ周辺の縦断面図、第
３図はテンシヨンプーリ移動調節具をハウジング
サポートに固定した先考案例を示す第１図相当図
、第４図は従来技術を示す第１図相当図である。１…エンジン本体、２…放熱器、３…１の後壁
、４…出力軸、５…フライホイル、６…フライホ
イルハウジング、７…６の取り付け鍔、８…ハウ
ジング取り付けボルト、１０…冷却フアン、１１
…枢支具、１２…フアンプーリ、１４…フアン駆
動プーリ、１５…フアンベルト、１６…テンシヨ
ンプーリ、１７…テンシヨンプーリ支持壁、１８
…テンシヨン調節用長孔、１９…１６の枢支軸、
２０…固定手段、２１…８の挿通孔。 Figures 1 and 2 show embodiments of the present invention.
Figure 2 is a rear view of a horizontal water-cooled engine equipped with a radiator, Figure 2 is a vertical cross-sectional view of the vicinity of the tension pulley, and Figure 3 is equivalent to Figure 1, showing an earlier example in which the tension pulley movement adjuster is fixed to the housing support. FIG. 4 is a diagram corresponding to FIG. 1 showing the prior art. 1... Engine body, 2... Heatsink, 3... Rear wall of 1, 4... Output shaft, 5... Flywheel, 6... Flywheel housing, 7... Mounting collar of 6, 8... Housing mounting bolt, 10... Cooling fan , 11
... Pivot support, 12... Fan pulley, 14... Fan drive pulley, 15... Fan belt, 16... Tension pulley, 17... Tension pulley support wall, 18
...Tension adjustment slot, 19...16 pivot shafts,
20...Fixing means, 21...8 insertion holes.

Claims

[Claims for Utility Model Registration] A radiator 2 is provided above the engine body 1 of a liquid-cooled engine E, an output shaft 4 is protruded from the rear wall 3 of the engine body 1, and a flywheel 5 is fixed to the output shaft 4. , fix the mounting collar 7 of the flywheel housing 6 that covers the flywheel 5 to the engine body 1 with housing mounting bolts 8, and attach the cooling fan 10 to the pivot bracket 11 on the rear side of the radiator 2.
rotatably supported by the engine body 1 via the
A fan pulley 12 is relatively fixed to the cooling fan 10 so as to be integrally rotatable, a fan drive pulley 14 is relatively fixed to the front side of the flywheel 5 so as to be integrally rotatable, and the fan pulley 12 is interlocked and connected to the fan drive pulley 14 by a fan belt 15. fan belt 15
In a tension device for a fan belt of a liquid-cooled engine equipped with a radiator, the support wall 17 of the tension pulley 16 is fixed to the flywheel housing 7, and the tension pulley 16 is in pressure contact with the middle part of the fan belt. A tension adjustment elongated hole 18 is formed in the support wall 17 along the belt tension direction A, and the pivot shaft 19 of the tension pulley 16 is inserted into the tension adjustment elongated hole 18 so as to be movable and fixed. The tension pulley is fixed to the tension pulley support wall 17 by means 20, and the insertion hole 21 for the housing mounting bolt 8 is formed in the mounting collar 7 of the flywheel housing 6 in the shape of an arcuate long hole along the circumferential direction. 21 with respect to the housing mounting bolt 8, the tension adjustment elongated hole 1 is inserted through the flywheel housing 6 and the tension pulley support wall 17.
A tensioning device for a fan belt of a liquid-cooled engine equipped with a radiator, characterized in that the fan belt 8 is configured to be rotated in a belt tension direction A.