Shift lever device

Abstract

To provide a shift lever device that can be further miniaturized to improve vehicle mounting compatibility. [Solution] A shift lever device 1 comprises a lever block 2 forming the base of the shift lever 21, a magnet disposed on the lever block 2 and rotating about a pivot axis 12 in response to the operation of the shift lever 21 in the X-axis direction, a base block 3 that supports the lever block 2 in a rotatable state, and a magnetic sensor 11 disposed on the base block 3. The magnet is disposed such that the magnetic axis passing through the centers of the N pole and S pole is directed toward the pivot axis 12 regardless of the operation position of the shift lever 21 in the X-axis direction, and the magnetic sensor 11 is positioned intermediately between the magnet and the pivot axis 12 when it is positioned in the direction of the magnetic axis in response to the operation of the shift lever 21, and the magnetic pole surface of the magnet facing the magnetic sensor 11 is convex.

Claims

1. A shift lever device including a shift lever operated to select a vehicle's shift range, A lever block that forms the base of the shift lever and rotates integrally with the operation of the shift lever, A magnetic source disposed on the lever block, comprising a magnetic generating unit that rotates about a first pivot axis in response to the operation of the shift lever in a predetermined first direction, A base block that supports the lever block in a rotatable state, To detect the operating position of the shift lever in the first direction, the system includes a magnetic sensor disposed on the base block so as to be able to detect the direction of action of at least the magnetic field in a first plane along the first direction from among the magnetic fields generated by the magnetic field generating unit, The magnetic generating unit is configured such that, regardless of the operating position of the shift lever in the first direction, the magnetic axis passing through the centers of the N pole and S pole is directed toward the first rotation axis. The magnetic sensor is positioned intermediately between the magnetic generating unit and the first pivot axis when it is positioned in the direction of the magnetic axis in response to the operation of the shift lever in the first direction. A shift lever device characterized in that the magnetic pole surface of the magnetic pole surface of the magnetic generating unit facing the magnetic sensor side has a cross-sectional shape that is convex along the first plane, such that the degree of curvature increases towards the outer magnetic field lines within the first plane, centered on the magnetic field lines acting linearly along the magnetic axis.

2. In claim 1, the shift lever is operable not only in the first direction but also in a second direction intersecting the first direction, The magnetic field generating unit rotates about a second pivot axis in response to the operation of the shift lever in the second direction, and is configured such that the magnetic axis faces the second pivot axis regardless of the operating position of the shift lever in the second direction. The magnetic sensor is capable of detecting at least the direction of action of the magnetism in the first plane and the direction of action of the magnetism in the second plane along the second direction, and is positioned intermediately between the magnetic sensor and the second pivot axis when the shift lever is operated in the second direction and positioned along the magnetic axis. A shift lever device characterized in that the magnetic pole surface facing the magnetic sensor side has a convex cross-sectional shape along at least the first plane and the cross-sectional shape along the second plane.

3. The shift lever device according to claim 2, characterized in that the magnetic sensor is capable of measuring magnetic components in three mutually orthogonal directions.

4. A shift lever device according to any one of claims 1 to 3, characterized in that the magnetic pole surface facing the magnetic sensor side is a convex spherical surface.

5. In claim 1, the magnetic generating unit includes a permanent magnet and a magnetic member made of a soft magnetic material that is magnetically connected to one of the magnetic poles of the permanent magnet. A shift lever device characterized in that the outer surface of the magnetic member forms a magnetic pole surface facing the magnetic sensor side.

6. In claim 2, the magnetic generating unit includes a permanent magnet and a magnetic member made of a soft magnetic material that is magnetically connected to one of the magnetic poles of the permanent magnet. A shift lever device characterized in that the outer surface of the magnetic member forms a magnetic pole surface facing the magnetic sensor side.

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