WO2017110454A1

WO2017110454A1 - Shifting device

Info

Publication number: WO2017110454A1
Application number: PCT/JP2016/086226
Authority: WO
Inventors: 友樹渡邉
Original assignee: 株式会社東海理化電機製作所
Priority date: 2015-12-21
Filing date: 2016-12-06
Publication date: 2017-06-29
Also published as: JP2017114170A

Abstract

This shifting device (10) is provided with a knob (12) which, upon being operated, is displaced to one of a plurality of shift positions. The shifting device (10) is further provided with a shift lock mechanism (46) that restricts the operation range of the knob (12) to within a range between one shift position and another shift position.

Description

Shift device

The present invention relates to a shift device.

WO 2015/107592 discloses a shift device (shift operating device) that switches the gear position of a vehicle by rotating a shift body (knob). In this shift device, the rotation of the clutch gear that rotates integrally with the shift body is restricted by the stopper to limit the rotation of the knob at a predetermined time.

By the way, in such a shift device, it may be desired to limit the operation range of the shift body so that the shift body can be operated within the range of a plurality of shift positions.

SUMMARY OF THE INVENTION In view of the above facts, it is an object of the present invention to provide a shift device capable of restricting the operating range of the shift body so that the shift body can be operated within a plurality of shift positions.

The shift device according to the first aspect of the present disclosure operates from the shift body, which is displaced to any one of a plurality of shift positions, and the operation range of the shift body from one of the shift positions. And a limiting mechanism for limiting within the range of the other shift position.

The shift device according to a second aspect of the present disclosure is the shift device according to the first aspect, wherein the restriction mechanism includes an engaged portion which is displaced by operating the shift body, and the engaged portion It is comprised including the control part which limits the operation range of the said shift body by being engaged.

The shift device according to a third aspect of the present disclosure is the shift device according to the third aspect, wherein the engagement position of the engaged portion with the restricting portion is changed to operate the shift body restricted by the restriction mechanism. Range is changed.

The shift device according to a fourth aspect of the present disclosure is the shift device according to the second or third aspect, wherein the engaged portions are a first engaged portion and a second engaged portion disposed adjacent to each other. In the state where the first engaged portion is engaged with the restricting portion, it is wider than in the case where the second engaged portion is engaged with the restricting portion. It is possible to operate the shift body.

The shift device according to a fifth aspect of the present disclosure is the shift device according to any one of the first to fourth aspects, wherein the shift body is rotated to shift any one of the plurality of shift positions. And the limiting mechanism limits the rotational range of the shift body.

According to the shift device of the first aspect of the present disclosure, by operating the shift body, the shift body is displaced to any one of the plurality of shift positions. Also, the limiting mechanism limits the operating range of the shift body from one shift position to another shift position. Therefore, in the first aspect of the present invention, the operating range of the shift body can be limited so that the shift body can be operated within the range of a plurality of shift positions.

According to the shift device of the second aspect of the present disclosure, the engaged portion is displaced along with the operation of the shift body. Further, by engaging the engaged portion with the restricting portion, the operation range of the shift body can be limited.

According to the shift device of the third aspect of the present disclosure, the operating range of the shift body is changed by changing the engagement position of the engaged portion to the restricting portion. Thus, in the third aspect of the present disclosure, the operation range of the shift body can be limited to a plurality of ranges.

According to the shift device of the fourth aspect of the present disclosure, the first engaged portion and the second engaged portion, which are displaced along with the operation of the shift body, are engaged with the restricting portion, whereby the shift body The operating range is limited. Here, in the fourth aspect of the present disclosure, the shift is performed by selecting whether the first engaged portion is engaged with the restricting portion or the second engaged portion is engaged. The range in which the operation range of the body is limited can be selected.

According to the shift device of the fifth aspect of the present disclosure, by rotating the shift body, the shift body is displaced to any one of the plurality of shift positions. Also, the limiting mechanism limits the rotational range of the shift body from one shift position to another shift position. Therefore, in the fifth aspect of the present invention, the rotation range of the shift body can be limited so that the shift body can be operated within the range of a plurality of shift positions.

It is a perspective view showing a shift device. It is a perspective view which shows the shift apparatus of the state which removed the cover. FIG. 7 is a perspective view showing a knob and an operating mechanism. FIG. 5 is a perspective view of the knob and the actuation mechanism as seen from a direction different from FIG. It is a top view which shows typically the engagement relation of a cam part and a lock bar. It is a top view which shows typically the engagement relation of a cam part and a lock bar. It is a top view which shows typically the engagement relation of a cam part and a lock bar. It is a top view which shows typically the engagement relation of a cam part and a lock bar. It is a top view which shows typically the engagement relation of a cam part and a lock bar.

FIG. 1 shows a shift device 10 provided on an instrument panel of a vehicle. In the drawings, the front of the shift device 10 is indicated by an arrow FR, the right side of the shift device 10 is indicated by an arrow RH, and the upper side of the shift device 10 is indicated by an arrow UP.

The shift device 10 according to the present embodiment is used in a so-called device which is electrically connected to the shift device 10 to change the shift range of the vehicle. The shift device 10 is installed on an instrument panel of a vehicle (automobile) and is disposed on the front side of the driver's seat (not shown) of the vehicle and on the inner side in the vehicle width direction. The upper side is directed to the upper front, the right and the upper rear of the vehicle, respectively.

As shown in FIGS. 1 and 2, the shift device 10 includes a knob base 16 which is formed in a box shape and supports a knob main body 14 (see FIG. 3) and the like to which a knob 12 described later is attached. . The knob base 16 is provided with a plurality of insertion portions 16A through which bolts (not shown) are inserted. Then, the bolt inserted through the insertion portion 16A is screwed into the shift device fixing portion disposed in the instrument, whereby the shift device 10 is fixed to the shift device fixing portion. In the state where the shift device 10 is fixed to the shift device fixing portion, the knob 12 is protruded into the vehicle compartment from the opening formed in the instrument panel.

As shown in FIGS. 2 to 4, a substantially cylindrical knob 12 as a shift body is rotatably supported by a knob base 16 via a knob body 14, and the knob 12 is an occupant of a vehicle ( In particular, the driver can be rotated from the driver sitting on the driver's seat. The knob 12 is rotatable in a predetermined range (predetermined rotation angle) in one direction (direction of arrow A) and in the other direction (direction of arrow B). The shift position of the vehicle is changed by rotating the knob 12 in one direction and the other direction. In the present embodiment, the knob 12 moves from the other direction to one direction, and the "P" position (parking position), "R" position (reverse position), and "N" position (neutral position) as predetermined shift positions. And “D” position (drive position) can be arranged.

As shown in FIGS. 3 and 4, the knob 12 is integrally rotatable with the knob body 14 by being attached to an upper end portion of the substantially cylindrical knob body 14. Further, on a part of the lower end portion of the knob main body 14, a lock bar engaged portion 14A engaged with a lock bar 54 described later and a lock bar engaged portion 14B as an engaged portion are formed.

As shown in FIG. 4, the lock bar engaged portion 14A is open on the outer and lower sides in the rotational radial direction of the knob 12, and the circumferential direction of the lock bar engaged portion 14A (the circumferential direction of rotation of the knob 12) The width is set to be slightly larger than the width of the restricting portion 54C of the lock bar 54 described later.

As shown in FIG. 3, the lock bar engaged portion 14B is provided on the other end side (arrow B direction side) with respect to the portion where the lock bar engaged portion 14A is formed at the lower end portion of the knob main body 14 It is done. The lock bar engaged portion 14B is, as shown in FIG. 5, arranged to be engaged with a restricting portion 54C of the lock bar 54 described later and to be adjacent to each other in the radial direction (rotational radial direction of the knob 12). The first engaged portion 14B1 and the second engaged portion 14B2 are provided. The width in the circumferential direction (rotational circumferential direction of the knob 12) of the first engaged portion 14B1 is set to be larger than the width of the restricting portion 54C of the lock bar 54. The second engaged portion 14B2 is disposed radially inward (the rotational radial direction of the knob 12) relative to the first engaged portion 14B1 and on one side in the rotational circumferential direction (the direction of the arrow A in FIG. 1 etc.) . Further, the width of the second engaged portion 14B2 in the circumferential direction is set to be slightly larger than the width of the restricting portion 54C of the lock bar 54 and compared with the circumferential width of the first engaged portion 14B1. It is set to small dimensions.

As shown in FIGS. 3 and 4, at the lower end of the knob main body 14, a knob drive gear 18 as a shift body side gear formed in an annular shape is provided. The outer peripheral portion of the knob drive gear 18 is formed with a tooth 18A that meshes with an intermediate gear 36 described later.

Further, in the present embodiment, a shift sensor (not shown) as shift detection means is provided, and the shift sensor detects the rotational position of the knob 12 and detects the shift position of the knob 12. The shift sensor is electrically connected to a control device (not shown) of the vehicle, and an automatic transmission (not shown) of the vehicle is electrically connected to the control device. Then, the shift position of the knob 12 is changed, so that the automatic transmission is controlled by the control device to the shift range ("P" range (parking range), "R" range (reverse range) corresponding to the shift position of the knob 12). ), “N” range (neutral range), “D” range (drive range)).

Further, the control device is electrically connected to detection means for detecting whether or not the brake as the braking means of the vehicle is operated by the occupant, and when the brake is operated by the occupant, The vehicle is braked. A lock switch (not shown) as a restricting operation unit is electrically connected to the control device, and the lock switch can be operated by the occupant.

Next, the restriction of the rotation of the knob 12 and the release of the restriction, and the restriction of the rotation range of the knob 12 to a predetermined range and the release of the restriction The shift lock mechanism 46 will be described.

The shift lock mechanism 46 includes a motor 26 as drive means, and a transmission mechanism 28 for transmitting the driving force of the motor 26. The motor 26 is a direct current motor having a rotating shaft 26A which is rotated by being energized. The motor 26 is disposed below the knob body 14 and the knob drive gear 18 (with respect to the knob 12 with respect to the knob 12, with the axial direction of the rotary shaft 26A oriented in a direction orthogonal to the rotational axis direction of the knob 12. It is arranged on the rotational axis one side).

The transmission mechanism 28 is in mesh with the knob drive gear 18 provided on the lower side of the knob body 14, the worm gear 30 as a drive means gear provided on the rotation shaft 26A of the motor 26, and the teeth 18A of the knob drive gear 18. An intermediate gear 36 as a shift body drive gear having a first intermediate gear 32 and a second intermediate gear 34 which meshes with the worm gear 30 and rotates integrally with the first intermediate gear 32 is constituted. The rotation of the rotation shaft 26A of the motor 26 is transmitted to the knob drive gear 18 via the worm gear 30 and the intermediate gear 36, whereby the knob drive gear 18 is rotated. Further, in the present embodiment, a part of the second intermediate gear 34 of the intermediate gear 36 and the knob driving gear are arranged by arranging a part of the second intermediate gear 34 of the intermediate gear 36 below the knob driving gear 18. A portion of 18 overlaps the rotational axis of the knob 12.

The shift lock mechanism 46 as the restricting portion and the restriction releasing portion includes a cam structure 52 having a cam gear 48 meshing with the knob driving gear 18 and a cam portion 50 rotatable integrally with the cam gear 48; A lock bar 54 as a restricting body engaged with the cam portion 50, and a spring (not shown) biasing the lock bar 54 toward the knob drive gear 18 are configured.

The cam gear 48 is formed in a disk shape, and on the outer peripheral surface of the cam gear 48, a tooth 48A that meshes with the tooth 18A of the knob drive gear 18 is formed over the entire circumference. Further, the cam portion 50 is disposed on one side (upper side) of the cam gear 48 with respect to the cam gear 48 in the rotational axis direction of the cam gear 48, and the cam portion 50 is partially cut away. As viewed from the direction, it is formed in a substantially fan shape. In addition, let the part which was notched in the cam part 50 be the 1st notch 50A1 and the 2nd notch 50A2, and cancel the thing of the peripheral face of the part in which the 1st notch 50A1 and the 2nd notch 50A2 are not formed It shall be called surface 50B. Further, in the present embodiment, the first cutout portion 50A1 is disposed on one side (the arrow E direction side) in the circumferential direction of rotation of the cam structure 52 with respect to the second cutout portion 50A2.

The lock bar 54 has a lock bar main body 54A formed in a rectangular block shape, and a cam portion engaging portion 54B which protrudes from the lock bar main body 54A toward the cam portion 50 of the cam structure 52 and abuts on the cam portion 50. And a restricting portion 54C protruding from the lock bar main body 54A toward the knob main body 14 side. The lock bar 54 is biased toward the knob body 14 by a spring (not shown) which is a compression coil spring.

(Operation and effect of the present embodiment)
Next, the operation and effects of the present embodiment will be described.

In the shift device 10 described above, as shown in FIGS. 2 to 4, when the knob 12 is disposed at the “P” position (the shift sensor detects that the shift position of the knob 12 is the “P” position) When the brake is not operated, the motor 26 is positively driven in the shift lock mechanism 46 under the control of the control device, and the transmission mechanism 28 (the worm gear 30, the intermediate gear 36, and the knob drive gear 18). ), The cam assembly 52 is rotated toward the arrow E side. Further, when the cam structure 52 is rotated toward the arrow E, the cam portion engaging portion 54B of the lock bar 54 is in contact with the release surface 50B of the cam portion 50, and the first cam portion 50 It will be in the state arrange | positioned in notch 50A1. Then, in a state where the cam portion engaging portion 54B of the lock bar 54 is disposed in the first notch portion 50A1 of the cam portion 50, the lock bar 54 is moved toward the knob main body 14 by the biasing force of a spring not shown. The restricting portion 54C of the lock bar 54 is inserted into the lock bar engaged portion 14A of the knob main body 14. Thereby, the rotation of the knob 12 (knob main body 14) is locked (restricted), and the rotation from the "P" position of the knob 12 to the "R" position, the "N" position and the "D" position is locked (restricted). Be done.

On the other hand, when the knob 12 is disposed at the “P” position, when the brake is operated, the motor 26 is reversely driven in the shift lock mechanism 46 by the control of the control device, and the transmission mechanism 28 Thus, the cam assembly 52 is rotated toward the arrow F side. Further, when the cam structure 52 is rotated toward the arrow F side, the cam portion engaging portion 54B of the lock bar 54 is disposed in the first cutout portion 50A1 of the cam portion 50, and the cam portion 50 It will be in the state which is in contact with release side 50B. The cam bar engagement portion 54B of the lock bar 54 is in contact with the release surface 50B of the cam portion 50 from the state where the cam portion engagement portion 54B is disposed in the first cutout portion 50A1 of the cam portion 50. 54 is moved in a direction away from the knob body 14. As a result, the restricting portion 54C of the lock bar 54 is disengaged from the lock bar engaged portion 14A of the knob body 14. As a result, the rotational lock of the knob 12 (knob main body 14) is unlocked, and the knob 12 can be rotated from the "P" position to the "R" position, the "N" position and the "D" position.

In addition, when the knob 12 is disposed at the “N” position or the “D” position from the “P” position (when the shift sensor detects that the shift position of the knob 12 is the “N” position or the “D” position) In the shift lock mechanism 46, the motor 26 is positively driven by the control of the control device, and the cam structure 52 is an arrow via the transmission mechanism 28 (the worm gear 30, the intermediate gear 36 and the knob drive gear 18). It is rotated toward the E side. Further, when the cam assembly 52 is rotated toward the arrow E, as shown in FIGS. 5A and 5B, the cam portion engaging portion 54B of the lock bar 54 abuts on the release surface 50B of the cam portion 50. In this state, the cam portion 50 is disposed in the first cutout portion 50A1 of the cam portion 50. Then, in a state where the cam portion engaging portion 54B of the lock bar 54 is disposed in the first notch portion 50A1 of the cam portion 50, the lock bar 54 is moved toward the knob main body 14 by the biasing force of a spring not shown. The restricting portion 54C of the lock bar 54 is inserted into the first engaged portion 14B1 of the lock bar engaged portion 14B of the knob main body 14. Thereby, the rotation range of the knob 12 (knob main body 14) is limited between the "N" position and the "D" position.

On the other hand, when a predetermined operation such as the operation of the brake or the release button is performed, the motor 26 is reversely driven in the shift lock mechanism 46 by the control of the control device, and the transmission mechanism 28 is performed. The cam assembly 52 is rotated toward the arrow F side. Further, when the cam structure 52 is rotated toward the arrow F side, the cam portion engaging portion 54B of the lock bar 54 is disposed in the first cutout portion 50A1 of the cam portion 50, and the cam portion 50 It will be in the state which is in contact with release side 50B. The cam bar engagement portion 54B of the lock bar 54 is in contact with the release surface 50B of the cam portion 50 from the state where the cam portion engagement portion 54B is disposed in the first cutout portion 50A1 of the cam portion 50. 54 is moved in a direction away from the knob body 14. As a result, the restricting portion 54C of the lock bar 54 is disengaged from the inside of the first engaged portion 14B1 of the lock bar engaged portion 14B of the knob main body 14. As a result, the limitation of the rotation range of the knob 12 (knob body 14) is released, and the knob 12 can be rotated from the "P" position to the "R" position, the "N" position and the "D" position.

Furthermore, when the knob 12 is disposed at the “N” position (when the shift sensor detects that the shift position of the knob 12 is at the “N” position), and when the lock switch is operated, In the shift lock mechanism 46, the motor 26 is positively driven by the control of the control device, and the cam structure 52 is directed to the arrow E side via the transmission mechanism 28 (the worm gear 30, the intermediate gear 36 and the knob drive gear 18). To be rotated. Further, when the cam assembly 52 is rotated toward the arrow E, as shown in FIGS. 5A to 5D, the cam portion engaging portion 54B of the lock bar 54 abuts on the release surface 50B of the cam portion 50. In this state, the cam portion 50 is disposed in the second notch 50A2 of the cam portion 50. Then, in a state where the cam portion engaging portion 54B of the lock bar 54 is disposed in the second notch portion 50A2 of the cam portion 50, the lock bar 54 is moved toward the knob main body 14 by the biasing force of a spring not shown. The restricting portion 54C of the lock bar 54 is inserted into the first engaged portion 14B1 and the second engaged portion 14B2 of the lock bar engaged portion 14B of the knob main body 14. Thereby, the rotation of the knob 12 (knob main body 14) is locked (restricted), and the rotation from the "N" position of the knob 12 to the "R" position, the "P" position and the "D" position is locked (restricted). Be done. As shown in FIG. 5E, when the cam structure 52 is further rotated toward the arrow E side, the surface on the arrow F side in the second notch 50A2 and the cam portion engaging portion 54B of the lock bar 54 The movement of the lock bar 54 radially outward (outside the rotation radial direction of the knob main body 14) can be restricted by overlapping the above in the rotational radial direction of the knob main body 14.

On the other hand, when the knob 14 is disposed at the “N” position (when the shift sensor detects that the shift position of the knob 14 is the “N” position), the rotation from the “N” position of the knob 14 is locked. In this state, when the lock switch is operated, the motor 26 is reversely driven by the control of the control device in the shift lock mechanism 46, and the cam component 52 is on the arrow F side via the transmission mechanism 28. It is rotated towards. Further, when the cam structure 52 is rotated toward the arrow F side, the cam portion engaging portion 54B of the lock bar 54 is disposed in the second notch portion 50A2 of the cam portion 50, and the cam portion 50 It will be in the state which is in contact with release side 50B. The lock bar 54 is engaged with the release surface 50B of the cam portion 50 from the state where the cam portion engagement portion 54B of the lock bar 54 is disposed in the second cutout portion 50A2 of the cam portion 50. 54 is moved in a direction away from the knob body 14. As a result, the restricting portion 54C of the lock bar 54 is disengaged from the inside of the first engaged portion 14B1 and the second engaged portion 14B2 of the lock bar engaged portion 14B of the knob main body 14. As a result, the rotational lock of the knob 12 (knob main body 14) is unlocked, and the knob 12 is made rotatable from the "N" position to the "R" position, the "P" position and the "D" position.

As described above, in the shift device 10 according to this embodiment, the knob 12 is manipulated so that the knob 12 can be manipulated within a range of shift positions (a range between the “N” position and the “D” position). The range can be limited.

Further, in the present embodiment, the restricting portion 54C of the lock bar 54 is engaged with the first engaged portion 14B1, or engaged with the first engaged portion 14B1 and the second engaged portion 14B2. Can select the range in which the operation range of the shift body is limited. Thus, the rotation range of the knob 12 can be limited between the “N” position and the “D” position while suppressing an increase in the displacement amount of the lock bar 54, and the knob 12 at the “N” position Can regulate the rotation of

In the above embodiment, the shift lock mechanism 46 locks and unlocks the rotation from the “P” position and the “N” position of the knob 12, and the rotation range of the knob 12 is “N” from the “N” position. Restrict between positions. However, the shift lock mechanism 46 may lock and unlock rotation from shift positions other than the “P” and “N” positions of the knob 12 (eg, “R” and “D” positions). Also, the shift lock mechanism 46 may limit the rotation range of the knob 12 between the "R" position and the "D" position. In this case, the dimensions of the restricting portion 54C of the lock bar 54 and the lock bar engaged portion 14B (first engaged portion 14B1) provided on the knob main body 14 may be adjusted.

Moreover, in the said embodiment, the shift apparatus 10 was installed in the instrument panel. However, the shift device 10 may be installed on a center console, a column cover, or the like.

Furthermore, in the above embodiment, an example in which the present invention is applied to the shift device 10 of the type having the knob 12 which is displaced to any one of a plurality of shift positions by being rotated has been described. Is not limited to this. For example, the present invention may be applied to a shift device of a type having a shift body which is displaced to any one of a plurality of shift positions by being moved back and forth or to the left and right.

As mentioned above, although one embodiment of the present invention was described, the present invention is not limited to the above, and can be variously modified and carried out in addition to the above in the range which does not deviate from the main point. Of course.

The disclosure of Japanese Patent Application No. 2015-248901, filed December 21, 2015, is incorporated herein by reference in its entirety.

Claims

A shift body displaced to any one of a plurality of shift positions by being manipulated;
A restriction mechanism for restricting the operation range of the shift body from one shift position to another shift position range;
Shift device with.
The restriction mechanism includes an engaged portion which is displaced when the shift body is operated, and a restricting portion which restricts the operation range of the shift body by the engaged portion being engaged. The shift device according to claim 1, wherein the shift device comprises:
The shift device according to claim 2, wherein the engagement position of the engaged portion with the restriction portion is changed to change the operation range of the shift body restricted by the restriction mechanism.
The engaged portion is configured to include a first engaged portion and a second engaged portion disposed adjacent to each other.
When the first engaged portion is engaged with the restricting portion, the shift body can be operated in a wider range than in the case where the second engaged portion is engaged with the restricting portion. The shift device according to claim 2 or 3, wherein
The shift body is displaced to any one of the plurality of shift positions by being rotated,
The shift device according to any one of claims 1 to 4, wherein the limiting mechanism limits the rotation range of the shift body.