JPH0333248U

JPH0333248U -

Info

Publication number: JPH0333248U
Application number: JP9412189U
Authority: JP
Priority date: 1989-08-10
Filing date: 1989-08-10
Publication date: 1991-04-02

Description

[Brief explanation of drawings]

第１図はこの考案によるダイナミツクダンパの
第１の実施例を示す概略断面図、第２図は第１図
に示すストツパー部材の説明図、第３図はこの考
案によるダイナミツクダンパの第２の実施例を示
す概略断面図、第４図はこの考案によるダイナミ
ツクダンパの第３の実施例を示す概略断面図、第
５図はこの考案によるダイナミツクダンパの第４
の実施例を示す概略断面図、第６図は第５図に示
すものの側面図、第７図はこの考案によるダイナ
ミツクダンパの第５の実施例を示す概略断面図、
第８図は従来のダイナミツクダンパを示す概略断
面図である。１，１１，２１，３１，４１，５１……ハブ、
２，３，１２，２２，３２，３３，４２……内側
スリーブ、４，５，１４，１５，２４，２５，３
４，３５，４１，４４，５４……ゴム製弾性部材
、６，１６，２６，３６，４６……外側スリーブ
、７，１７，２７，３７，４７，５６……振動リ
ング、８，１８，２８，３８，４８……ストツパ
ー部材、９，３６ａ，４４ａ……凹溝、１９，２
９……段部、３９，４９……溝部、４０，５０…
…突部。 FIG. 1 is a schematic sectional view showing a first embodiment of the dynamic damper according to this invention, FIG. 2 is an explanatory diagram of the stopper member shown in FIG. 1, and FIG. 3 is a second embodiment of the dynamic damper according to this invention. 4 is a schematic sectional view showing a third embodiment of the dynamic damper according to this invention, and FIG. 5 is a schematic sectional view showing a fourth embodiment of the dynamic damper according to this invention.
6 is a side view of the embodiment shown in FIG. 5, FIG. 7 is a schematic sectional view showing a fifth embodiment of the dynamic damper according to this invention,
FIG. 8 is a schematic sectional view showing a conventional dynamic damper. 1, 11, 21, 31, 41, 51...Hub,
2, 3, 12, 22, 32, 33, 42...Inner sleeve, 4, 5, 14, 15, 24, 25, 3
4, 35, 41, 44, 54... Rubber elastic member, 6, 16, 26, 36, 46... Outer sleeve, 7, 17, 27, 37, 47, 56... Vibration ring, 8, 18, 28, 38, 48... Stopper member, 9, 36a, 44a... Concave groove, 19, 2
9...Step part, 39, 49...Groove part, 40, 50...
...projection.

Claims

[Claims for Utility Model Registration] (1) Rubber elastic members 4, 5, 14, 15, 2 are provided on the outside of the hub 1, 11, 21 connected to the rotating shaft.
The vibration rings 7, 17, 27 are connected to each other via the hubs 1, 11, 21 or the vibration rings 7, 17, 27. 2
7. A dynamic damper characterized in that stopper members 8, 18, and 28 are provided to limit the movement of the rotating shaft in the axial direction and in the direction perpendicular thereto. (2) Vibration rings 37, 47 are connected to the outer periphery of the hubs 31, 41 connected to the rotating shaft via rubber elastic members 34, 35, 44, 45,
the hub 31, 41 or the vibration ring 37,
A stopper member 38, 48 is provided on at least one of the vibration rings 37, 47 to limit the fluctuation of the vibration ring 37, 47 in the axial direction of the rotating shaft and in a direction perpendicular thereto. The axial ends of the rings 37, 47 are annularly bent radially inward, and grooves 39, 49 are formed at predetermined intervals around the entire circumference of the bent ends, while the hub The ends of the outer peripheral surfaces of the vibration rings 31 and 41 are bent radially outward in an annular shape to face the ends of the vibration rings 37 and 47, and the vibration rings 37,
Protrusions 40, 50 located within the grooves 39, 49 are provided in the portions facing the grooves 39, 49 of the vibration rings 37, 47, and the protrusions 40 of the hubs 31, 41 are provided. , 50 to limit fluctuations in the torsional direction of the vibration rings 37, 47. (3) The stopper members 8, 18, 28, 38
, 48 are provided with slits.