JPH0456249U

JPH0456249U -

Info

Publication number: JPH0456249U
Application number: JP9807990U
Authority: JP
Priority date: 1990-09-20
Filing date: 1990-09-20
Publication date: 1992-05-14

Description

[Brief explanation of the drawing]

第１〜２図は本考案の第一実施例を示しており
、第１図は第２図のＡ−Ａ断面図、第２図は第１
図のＢ−Ｂ断面図、第３図は本考案の第二実施例
を示す第２図同様の断面図、第４図は同第三実施
例を示す、第２図の上半部と同様の半部断面図、
第５図は同第四実施例を示す第２図同様の断面図
、第６図は水ポンプの断面図である。１……ハウジング、２……支持筒部、３……回
転軸、４……外輪、５……玉、６……インペラ、
７……従動プーリ、８……外周溝、９……ベルト
、１０……シール、１１……第一の支持壁、１２
……第一の支持部材、１３……第二の支持壁、１
４……第二の支持部材、１５……プーリシート、
１６……第一の通孔、１７……第二の通孔、１８
……第三の通孔、１９……連結ピン、２０……ロ
ーラ、２１……支持筒部、２２……従動プーリ、
２３……滑り軸受。 1 and 2 show the first embodiment of the present invention, FIG. 1 is a sectional view taken along line A-A in FIG. 2, and FIG.
Figure 3 is a sectional view similar to Figure 2 showing the second embodiment of the present invention; Figure 4 is the same as the upper half of Figure 2 showing the third embodiment of the present invention. Half sectional view of
FIG. 5 is a sectional view similar to FIG. 2 showing the fourth embodiment, and FIG. 6 is a sectional view of the water pump. DESCRIPTION OF SYMBOLS 1... Housing, 2... Support tube part, 3... Rotating shaft, 4... Outer ring, 5... Ball, 6... Impeller,
7... Driven pulley, 8... Outer circumferential groove, 9... Belt, 10... Seal, 11... First support wall, 12
...First support member, 13...Second support wall, 1
4... Second support member, 15... Pulley sheet,
16...first through hole, 17...second through hole, 18
... Third through hole, 19 ... Connection pin, 20 ... Roller, 21 ... Support cylinder part, 22 ... Driven pulley,
23...Sliding bearing.

Claims

[Scope of utility model registration request]

A rotating shaft, a first supporting wall having a circular ring shape, a first supporting member externally fitted and fixed to the rotating shaft, and a second supporting wall having a circular ring shape, the second supporting wall and a second support member externally fitted and fixed to the rotating shaft directly or via the first support member with a gap interposed between the second support member and the first support wall; A driven pulley or a driven sprocket is fixed between the first support wall and the second support wall, and the belt or chain is stretched around the outer periphery by locating the inner periphery portion within the gap. a member, a first through hole formed in the member in the axial direction, and a second through hole formed in a portion of the first support wall that is aligned with the first through hole. a third through hole formed in a portion of the second support wall that is aligned with the first through hole, and inside the first, second, and third through holes. , and a connecting pin inserted in a state where it spans through these first, second, and third through holes, and this connecting pin is inserted between the belt or chain and the driven pulley or driven sprocket when the rotating shaft is stopped. A device that supports a pulley or sprocket on a rotating shaft that can be easily torn by a torque smaller than that applied to the sprocket.