PROBLEM TO BE SOLVED: To provide a park lock mechanism which can surely release engagement between a park gear and an engaging member even when the engaging member of the park lock mechanism receives reaction force from a wheel side park gear in a case that the park lock mechanism is installed at a driving device driving a wheel by a motor.SOLUTION: A park lock mechanism (41) comprises: a park gear (42); and an engaging member (43) which is selectively positioned at a lock position where rotation of the park gear is prohibited by engaging with the park gear or a lock release position where rotation of the park gear is allowed by retreating from the lock position. The engaging member includes: a first rolling member (43k) in rolling contact with a gear tooth (42g) of the park gear; and a first support part (43g) rotatably supporting the first rolling member. The park gear includes a recess part (42a) in which the recess part receives the first rolling member to engage with the engaging member.SELECTED DRAWING: Figure 5

    【課題】モータで車輪を駆動する駆動装置にパークロック機構を設ける場合に、パークロック機構の係合部材が車輪側のパークギヤから反力を受けてもパークギヤと係合部材との係合を確実に解除させる構造を提供する。【解決手段】パークロック機構(41)は、パークギヤ(42)と、パークギヤに係合してパークギヤの回転を禁止するロック位置およびロック位置から退動してパークギヤの回転を許容するロック解除位置のいずれか一方に選択的にされる係合部材(43)とを備える。係合部材はパークギヤのギヤ歯(42g)と転がり接触する第1転がり部材(43k)、および第1転がり部材を回転自在に支持する第1支持部(43g)を含む。パークギヤは凹部(42a)を有し、凹部に第1転がり部材を受け入れることにより係合部材と係合する。【選択図】図5


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    Title :

    PARK LOCK MECHANISM, AND IN-WHEEL MOTOR DRIVE DEVICE INCLUDING THE SAME


    Additional title:

    パークロック機構、およびこれを具備するインホイールモータ駆動装置


    Contributors:

    Publication date :

    2018-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING



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