JPH0441139U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案によるビスカスラバーダンパ
の概略縦断面図、第２図はハブの凹部の開口部に
設けた溝を示す概略図、第３図は蓋部材を示す概
略断面図、第４図および第５図はハブに蓋部材を
かしめ取付けする状態を示し、第４図はかしめ取
付け直前の状態を示す概略図、第５図はかしめ取
付けした状態を示す概略図、第６図ａ，ｂはかし
め治具を示し、第６図ａはかしめ治具の全体を示
す概略断面図、第６図ｂは第６図ａのＡ矢視部を
示す拡大概略図、第７図は従来のビスカスラバー
ダンパを示す概略縦断面図である。 １，２１……ビスカスラバーダンパ、２，２２
……溝、３，２３……ハブ、４，２４……凹部、
５，２５……スリーブ、６，２６……弾性部材、
７，２７……振動リング、８，２８……蓋部材、
９，２９……粘性流体、１１，１２……Ｏリング
、１３……鋼球、１４……開口部、１５，１６…
…溝部、１６ａ，１６ｂ……傾斜面、１７，１８
……突出部、１７ａ，１８ａ，１９ａ……テーパ
部、１７ｂ，１８ｂ……切欠き、１９……かしめ
治具。 Fig. 1 is a schematic longitudinal sectional view of the viscous rubber damper according to this invention, Fig. 2 is a schematic diagram showing the groove provided in the opening of the concave portion of the hub, Fig. 3 is a schematic sectional view showing the lid member, and Fig. 4 5 shows the state in which the lid member is attached to the hub by caulking, FIG. 4 is a schematic diagram showing the state immediately before caulking, FIG. 5 is a schematic diagram showing the state after caulking, and FIGS. 6 a and b. Fig. 6a is a schematic cross-sectional view showing the entire crimping jig, Fig. 6b is an enlarged schematic view of the section viewed from arrow A in Fig. 6a, and Fig. 7 is a conventional viscous jig. FIG. 3 is a schematic vertical cross-sectional view showing a rubber damper. 1, 21...Viscous rubber damper, 2, 22
... Groove, 3, 23 ... Hub, 4, 24 ... Recess,
5, 25... Sleeve, 6, 26... Elastic member,
7, 27... Vibration ring, 8, 28... Lid member,
9, 29... Viscous fluid, 11, 12... O ring, 13... Steel ball, 14... Opening, 15, 16...
...Groove, 16a, 16b...Slope, 17, 18
...Protruding portion, 17a, 18a, 19a... Taper portion, 17b, 18b... Notch, 19... Caulking jig.

Claims (1)

【実用新案登録請求の範囲】 (1) 回転シヤフトに取付けられて一体に回転す
るハブ３に、その側面に開口するとともに、前記
回転シヤフトの軸線を中心とする環状の凹部４を
形成し、この環状の凹部４内に、スリーブ５およ
び弾性部材６を介して環状の慣性質量である振動
リング７を配設し、さらに凹部４内に粘性流体９
を封入したビスカスラバーダンパ１であつて、該
ビスカスラバーダンパ１は、前記ハブ３の凹部４
の開口部１４を、環状をなす板状の蓋部材８をか
しめ取付けして閉塞し、前記粘性流体９を密封し
たことを特徴とするビスカスラバーダンパ。 (2) 前記ハブ３の凹部４の開口部１４に、ハブ
３の軸線に対して傾斜する２つの傾斜面１６ａ，
１６ｂからなる溝部１６を形成し、一方、前記蓋
部材８の内外周部に、軸線方向の突出部１７，１
８を形成し、この突出部１７，１８を押し拡げて
前記溝部１６内に位置させることにより、前記ハ
ブ３の溝部１６内に蓋部材８の突出部１７，１８
をかしめ取付けする請求項１記載のビスカスラバ
ーダンパ、 (3) 前記ハブ３の凹部４の開口部１４に設けた
溝部１６は、その２つの傾斜面１６ａ，１６ｂの
なす角度βが１００°であるとともに、溝部１６
内に位置する前記突出部１７，１８のテーパ部１
７ａ，１８ａの角度αが１２０°である請求項２
記載のビスカスラバーダンパ。 (4) 前記突出部１７，１８の内外周面には切欠
１７ｂ，１８ｂが設けられ、この切欠き１７ｂ，
１８ｂによつて突出部１７，１８の押し拡げが容
易になる請求項２記載のビスカスラバーダンパ。 (5) 回転シヤフトに取付けられて一体に回転す
るハブ３に、その側面に開口するとともに、前記
回転シヤフトの軸線を中心とする環状の凹部４を
形成し、この環状の凹部４内に、スリーブ５およ
び弾性部材６を介して環状の慣性質量である振動
リング７を配設し、さらに凹部４内に粘性流体９
を封入したビスカスラバーダンパ１であつて、該
ビスカスラバーダンパ１は、前記ハブ３の凹部４
の開口部１４に、軸線に対して傾斜する２つの傾
斜面１６ａ，１６ｂからなる溝部１６を形成する
とともに、内外周部に軸線方向の突出部１７，１
８を有する環状の蓋部材８を配設し、前記突出部
１７，１８を押し拡げた際、この突出部１７，１
８が前記溝部１６内にかしめ取付けされるととも
に、溝部１６の一方の傾斜面１６ａにより前記突
出部１７，１８を介して前記蓋部材８に軸線方向
の作用力と、径方向の作用力とが作用することを
特徴とするビスカスラバーダンパ。[Claims for Utility Model Registration] (1) A hub 3 that is attached to a rotating shaft and rotates integrally with the hub 3 is provided with an annular recess 4 that is open on the side surface and centered on the axis of the rotating shaft. A vibration ring 7, which is an annular inertial mass, is disposed in the annular recess 4 via a sleeve 5 and an elastic member 6, and a viscous fluid 9 is placed in the recess 4.
The viscous rubber damper 1 is a viscous rubber damper 1 in which a concave portion 4 of the hub 3 is sealed.
A viscous rubber damper characterized in that an annular plate-shaped lid member 8 is caulked to close an opening 14 of the viscous fluid 9, thereby sealing the viscous fluid 9. (2) Two inclined surfaces 16a, which are inclined with respect to the axis of the hub 3, are provided in the opening 14 of the recess 4 of the hub 3;
16b is formed, and on the other hand, axial protrusions 17, 1 are formed on the inner and outer peripheral parts of the lid member 8.
8, and by pushing and expanding the protruding parts 17 and 18 and positioning them in the groove part 16, the protruding parts 17 and 18 of the lid member 8 are placed in the groove part 16 of the hub 3.
3. The viscous rubber damper according to claim 1, wherein the groove 16 is formed in the opening 14 of the recess 4 of the hub 3, and the angle β between the two inclined surfaces 16a and 16b is 100°. Along with this, the groove portion 16
The tapered portion 1 of the protruding portions 17 and 18 located inside
Claim 2, wherein the angle α of 7a and 18a is 120°.
The listed viscous rubber damper. (4) Notches 17b, 18b are provided on the inner and outer circumferential surfaces of the protrusions 17, 18, and the notches 17b,
3. The viscous rubber damper according to claim 2, wherein the protrusions 17, 18 can be easily pushed and spread apart by the viscous rubber damper 18b. (5) An annular recess 4 is formed in the hub 3, which is attached to the rotary shaft and rotates integrally with the rotary shaft, and is open on the side surface and centered on the axis of the rotary shaft. 5 and an elastic member 6, a vibration ring 7 which is an annular inertial mass is disposed, and a viscous fluid 9 is placed in the recess 4.
The viscous rubber damper 1 is a viscous rubber damper 1 in which a concave portion 4 of the hub 3 is sealed.
A groove 16 consisting of two inclined surfaces 16a and 16b inclined with respect to the axis is formed in the opening 14 of
8 is disposed, and when the protrusions 17, 18 are pushed apart, the protrusions 17, 1
8 is caulked into the groove 16, and one inclined surface 16a of the groove 16 applies an axial force and a radial force to the lid member 8 via the protrusions 17 and 18. A viscous rubber damper characterized by