Shift operating device for automatic transmission
A technology for automatic transmissions and operating devices, applied in transmission control, components with teeth, belts/chains/gears, etc., which can solve the problem of increasing the number of parts of the shifting operating device and increasing the manufacturing cost of the shifting operating device , vehicle weight increase, etc., to achieve the effect of suppressing the increase in the number of parts
Inactive Publication Date: 2016-04-20
AISIN AI CO LTD
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Problems solved by technology
[0005] However, in the shift operation device shown in Patent Document 1, two motors, the drive motor for shifting and the drive motor for selection, are required, and various control components such as ECU, driver, and sensor attached to these two motors are required, resulting in Increased number of parts for the shift operating device
In addition, as the number of parts of such a shift operating device increases, there are problems in that the manufacturing cost of the shift operating device increases, the mountability of the shift operating device on a vehicle deteriorates, and the weight of the vehicle decreases. increase
Method used
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[0178] In the embodiment described above, the motor 70 rotates the shift member 40 via the drive gear 81, the driven gear 82 and the shaft 20. However, an embodiment in which the motor 70 directly rotates the shift member 40 may also be used.
[0179] In the embodiment described above, the first detection unit 71 is a sensor that detects the rotation angle of the shaft 20 and the shift member 40 by detecting the rotation angle of the motor 70. However, the first detection unit 71 may be a sensor that directly detects the rotation angle of the shaft 20 and the shift member 40.
[0180] In the above-described embodiment, the recognition portion detected by the second detection portion 76 is the recognition protrusion 30 x formed to protrude from the outer peripheral surface of the rotating member 30. However, the above-mentioned identification portion may be an identification recessed portion 30x formed recessed in the outer peripheral surface of the rotating member 30. Or instead ...
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The present invention provides a shift operation device of an automatic transmission. The shift operation device is capable of inhibiting the increase of part number. The shift operation device includes a rotation part (30), which is capable of rotating in relative to a shell (10) and is mounted on a main body in a movable manner along an axial direction, and the externalcircumferential surface of which is provided with a clamping part (30i); a second one-way clutch (30b, 50), which allows the rotation part (30) to rotate only in a forward direction in relative to the shell (10); a shift part (40), which is mounted on the shell (10) in such a way that the shift part is rotatable and a circle of shift groove used for enabling the rotation part (30) to move along the axial direction is formed on the external circumferential surface; a first one-way clutch (41, 30f), which allows the rotation part (30) to rotate only in a reversal direction in relative to the shell (10); a plurality of shift fork parts, on which a clamped part which is capable of clamping and disconnecting with the clamping part (30i) is formed; and a single motor (70), which allows the rotation part (30) to rotate forward and the shift part (40) to rotate reversely.
Description
Technical field [0001] The present invention relates to a shift operation device of an automatic transmission used in a vehicle. Background technique [0002] In the past, as automatic transmissions for automobiles and other vehicles, some automatic transmissions based on geared manual transmissions with high transmission efficiency have been proposed. For example, as shown in Patent Document 1, a shift operation device of an automatic transmission that uses a motor to drive a gear change mechanism to actuate a sleeve of a shift clutch engaged with a shift fork to switch gears. [0003] As that figure 1 As shown, the shift operation device shown in Patent Document 1 is configured to include a selection drive motor (slide drive motor) as a drive source (slide actuator) of a sliding mechanism, and a drive source (rotation Actuator) drive motor for shifting (drive motor for rotation). The transmission spindle is provided with a circumferential rack on the upper part (upper part of t...
Claims
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IPC IPC(8): F16H61/28F16H63/40
CPCF16H63/18F16H61/2807F16H63/20F16H2063/208
Inventor 矢野赳
Owner AISIN AI CO LTD