JPH0360624U - - Google Patents

Description

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

第１図は本考案の第１実施例に係る動力伝達装
置の断面図、第２図および第３図は同装置におけ
るカム部の拡大断面図、第４図は第２実施例に係
る動力伝達装置の断面図、第５図および第６図は
同装置におけるカム部の拡大断面図、第７図は第
１実施例に係る動力伝達装置を搭載した車両の概
略構成図、第８図は差動回転数と伝達トルクの関
係を示すグラフである。 符号の説明、１０，３０……動力伝達装置、１
０ａ，３０ａ……摩擦クラツチ、１０ｂ，３０ｂ
……粘性抵抗力発生手段、１０ｃ，３０ｃ……推
力変換手段、１１，３１……アウタケース、１２
，３２……インナケース、１４，３４……第１カ
ムメンバー、１５，３１ａ……第２カムメンバー
、１４ｂ，１５ａ……カムボデー部材、１４ｃ，
１５ｂ，３１ｅ……カム形成部材、１４ｅ，１５
ｄ，３１ｆ……弾性部材、１６……コロ、３７…
…ボール、２５，２６……プロペラシヤフト。 FIG. 1 is a sectional view of a power transmission device according to a first embodiment of the present invention, FIGS. 2 and 3 are enlarged sectional views of a cam portion of the same device, and FIG. 4 is a power transmission device according to a second embodiment. 5 and 6 are enlarged sectional views of the cam portion of the device, FIG. 7 is a schematic configuration diagram of a vehicle equipped with the power transmission device according to the first embodiment, and FIG. 8 shows the difference. It is a graph which shows the relationship between dynamic rotation speed and transmission torque. Explanation of symbols, 10, 30...Power transmission device, 1
0a, 30a...Friction clutch, 10b, 30b
... Viscous resistance force generating means, 10c, 30c ... Thrust converting means, 11, 31 ... Outer case, 12
, 32... Inner case, 14, 34... First cam member, 15, 31a... Second cam member, 14b, 15a... Cam body member, 14c,
15b, 31e...Cam forming member, 14e, 15
d, 31f...elastic member, 16...roller, 37...
...Ball, 25, 26...Propeller shaft.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 同軸的かつ相対回転可能に位置する内外両回転
部材間に配設され、これら両回転部材の相対回転
により作動して両回転部材をトルク伝達可能に連
結する摩擦係合力を発生させるとともに付与され
る推力に応じて摩擦係合力を増減させる摩擦クラ
ツチおび前記両回転部材の相対回転に応じた粘性
抵抗力を発生させる粘性抵抗力発生手段、同粘性
抵抗力発生手段にて発生する粘性抵抗力に応じて
相対回転する一対のカムメンバーとこれら両者の
カム両間に介装されて両カムメンバーを互に離間
すべく作用するカムフオロアを有する推力変換手
段を備え、前記両カムメンバーの少なくとも一方
のカムメンバーを、カム面を有するカム形成部材
と同カム形成部材が嵌合される凹所を有するカム
ボデー部材とにより構成し、前記カム形成部材を
弾性部材を介して前記カムボデー部材の凹所に嵌
合して支持したことを特徴とする動力伝達装置。 It is disposed between the inner and outer rotating members that are coaxially and relatively rotatably positioned, and is actuated by the relative rotation of these rotating members to generate and apply a frictional engagement force that connects the two rotating members so that torque can be transmitted. a friction clutch that increases or decreases a frictional engagement force in accordance with the thrust; a viscous resistance force generating means that generates a viscous resistance force in accordance with the relative rotation of the two rotating members; and a viscous resistance force generated by the viscous resistance force generating means a pair of cam members that rotate relative to each other; and a thrust converting means having a cam follower interposed between both cams and acting to separate the cam members from each other, at least one of the cam members is composed of a cam forming member having a cam surface and a cam body member having a recess into which the cam forming member is fitted, and the cam forming member is fitted into the recess of the cam body member via an elastic member. A power transmission device characterized by being supported by.