PROBLEM TO BE SOLVED: To reduce an operation sound of a power door opening/closing device.SOLUTION: A power door opening/closing device includes: a casing 12; a motor 5 fitted to the casing 12; a planetary gear 6 which is housed in the casing 12, and reduces the speed of rotation of the motor 5; and an output arm 9 which places a door 2 in opening/closing operation by transmitting speed-reduced rotation output from the planetary gear 6 to the door 2. The planetary gear 6 has: a sun gear 62 which rotates together with a rotary shaft 52 of the motor 5; a planetary carrier 61 which is fixed inside the casing 12; a planetary gear 63 which is supported rotatably on the planetary carrier 61, and engages the sun gear 62; and a ring gear 64 which is supported rotatably inside the casing 12, and engages the planetary gear 63, both ends of the sun gear 62 being in a both-end support structure.SELECTED DRAWING: Figure 3
【課題】パワードア開閉装置の作動音の低減を図る。【解決手段】ケーシング12と、ケーシング12に取り付けられるモータ5と、ケーシング12内に収容され、モータ5の回転を減速する遊星歯車6と、遊星歯車6から出力される減速回転をドア2に伝達することで、ドア2を開閉作動させる出力アーム9とを備え、遊星歯車6は、モータ5の回転軸52と共に回転するサンギヤ62と、ケーシング12内に固定されるプラネタリキャリア61と、プラネタリキャリア61に回転可能に支持されると共に、サンギヤ62に噛合するプラネタリギヤ63と、ケーシング12内に回転可能に支持されると共に、プラネタリギヤ63に噛合するリングギヤ64とを有し、サンギヤ62の両端部を、両持ち支持構造とする。【選択図】図3
POWER DOOR OPENING/CLOSING DEVICE AND AUTOMOBILE WITH POWER DOOR OPENING/CLOSING DEVICE
パワードア開閉装置及び当該開閉装置を備えた自動車
2016-02-01
Patent
Elektronische Ressource
Japanisch
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