PROBLEM TO BE SOLVED: To provide a brake driving device that can be made compact and low-cost.SOLUTION: A brake driving device comprises: an electric motor 2; a metallic feed screw part 3 connected to a motor shaft 15 of the electric motor 2; and a push rod part 5 which comprises a resin-made feed nut part 4 that the feed screw part 3 meshes with, and moves reciprocally and linearly together with the feed nut part 4 as the feed nut part 4 and feed screw part 3 rotate relatively as the motor shaft 15 rotates so as to generate braking force of a brake device 100; and a housing 6 supporting the push rod part 5 in a reciprocally and linearly movable state, either of contact faces 24a, 33a, 34a, and 46a of push rod part 5, and support faces 6e, 6f, 6g, and 6h of the housing 6 provided corresponding to those contact faces 24a, 33a, 34a, and 46a and supporting them being resin faces.SELECTED DRAWING: Figure 1
【課題】小型化及び低コスト化が可能なブレーキ駆動装置を提供する。【解決手段】電動モータ2と、電動モータ2のモータ軸15に接続された金属製の送りネジ部3と、送りネジ部3が螺合する樹脂製の送りナット部4を備え、モータ軸15の回転にともなって送りナット部4と送りネジ部3とが相対回転することで、送りナット部4とともに往復直線運動を行って、ブレーキ装置100に制動力を発生可能な押し棒部5と、押し棒部5を往復直線運動可能に支持するハウジング6と、を備え、押し棒部5の各々の接触面24a、33a、34a、46aと、これら接触面24a、33a、34a、46aの各々に対応して設けられてこれらを支持するハウジング6の各々の支持面6e、6f、6g、6hと、のうち一方が樹脂の面である。【選択図】図1
BRAKE DRIVING DEVICE
ブレーキ駆動装置
2017-10-12
Patent
Electronic Resource
Japanese
BRAKE DEVICE INTEGRATING DRIVING BRAKE AND PARKING BRAKE FUNCTIONS, AND VEHICLE
European Patent Office | 2023
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