A motor actuator includes a housing, and a plurality of output mechanisms accommodated in the housing. The housing includes a fastening unit that fastens a first case and a second case. Each of the plurality of output mechanisms includes a motor and a plurality of deceleration gears. The motor is supported by the housing. A final state deceleration gear is rotatably supported by the housing. The fastening unit is arranged in a first fastening unit formation range. The first fastening unit formation range is a range formed by connecting contours of a plurality of motors and contours of a plurality of final state deceleration gears, and is a range that surrounds the plurality of motors and the plurality of final stage deceleration gears.
1. A motor actuator comprising:
a plurality of output mechanisms, wherein each of the plurality of output mechanisms includes
a motor including a motor power supplying terminal supplied with power,
a plurality of deceleration gears that decelerate and output rotation of the motor,
a position detection sensor including a rotation member, which is coupled to at least one of the plurality of deceleration gears and rotated integrally and coaxially with the at least one of the deceleration gears, and a sensor terminal, which contacts the rotation member and outputs a position detection signal corresponding to a rotation position of the deceleration gear,
a sensor signal line that transmits the position detection signal output from the sensor terminal to a control unit that controls the rotation of the motor, and
a power supplying terminal unit that is connected to the motor power supplying terminal to supply power to the motor; and
a housing that accommodates the plurality of output mechanisms,
wherein the sensor signal lines of the plurality of output mechanisms are formed integrally with each other.
2. The motor actuator according to claim 1 , wherein the sensor signal line and the power supplying terminal unit are formed as separate bodies.
3. The motor actuator according to claim 1 , further comprising an insulating member, wherein
the position detection sensor includes a holding member that holds the rotation member and the sensor terminal and is supported by the housing;
the sensor signal lines of the plurality of output mechanisms are formed integrally by the insulating member to ensure electrical insulating properties of the sensor signal lines;
the holding member and the insulating member are formed as separate bodies; and
the sensor terminal is connected to the corresponding sensor signal line.
4. The motor actuator according to claim 3 , wherein
the sensor terminal includes a sensor connection portion that extends toward the connected sensor signal line;
the sensor signal line includes a line connection portion that projects from the insulating member and is overlapped and joined with the sensor connection portion;
at least one of the sensor connection portion and the line connection portion includes a bent portion that is bent;
the sensor connection portion and the line connection portion are overlapped and joined with each other to form a joining portion; and
the joining portion is arranged between the bent portion and a distal end of the sensor connection portion including the bent portion or between the bent portion and a distal end of the line connection portion including the bent portion.
5. The motor actuator according to claim 3 , wherein the position detection sensor is arranged on the insulating member.
6. The motor actuator according to claim 3 , wherein
the housing includes a first case and a second case, which are overlapped with each other, and a sensor fixing portion; and
the sensor fixing portion sandwiches and fixes the holding member in a coupling direction of the first case and the second case when the first case and the second case are overlapped and fixed.