JP7084254B2 - Park lock device - Google Patents

Description

The present invention relates to a park lock device applied to a vehicle.

Conventionally, as a park lock device, a casing composed of at least two divided cases, a rotating shaft rotatably arranged inside the casing, and a rotation around the axis of the rotating shaft due to the rotation of the rotating shaft. It is provided with a moving member, a moving mechanism that is moved and operated by the rotation of the rotating member, a drive shaft that is arranged in a casing and is rotationally driven, and a lock member that prevents the drive shaft from rotating by the movement of the moving mechanism. Is known (see, for example, Patent Document 1).

In this park lock device, the rotating member is rotated between a lock position where the lock member blocks the rotation of the drive shaft and an unlocked position where the lock member releases the lock from the rotation of the drive shaft.

In order to regulate the rotation of the rotating member at the locked position and the unlocked position, the casing can be in contact with the rotating member at the locked position and the unlocked position of the rotating member, and the rotating position is restricted. A pin is provided as a regulating member.

Japanese Unexamined Patent Publication No. 2012-102816

However, in the park lock device as in Patent Document 1, since the pin is provided in the casing in order to regulate the rotation position of the rotating member, the accuracy of assembling the pin to the casing and the pin can be assembled. It was necessary to improve the processing accuracy of the casing, which increased the cost.

Therefore, an object of the present invention is to provide a park lock device that can reduce the cost and can stably regulate the rotation position of the rotating member.

The present invention includes a casing composed of at least two divided cases, a rotating shaft rotatably arranged inside the casing, and a rotating member that rotates around the axis of the rotating shaft by the rotation of the rotating shaft. A moving mechanism that is moved and operated by the rotation of the rotating member, a drive shaft that is arranged and driven in the casing, and a lock member that prevents the drive shaft from rotating by the movement of the moving mechanism. In the perclock device, the rotating member has a lock position side in which the lock member blocks the rotation of the drive shaft and an unlock position side in which the lock member cancels the rotation of the drive shaft. When the rotating member rotates to the lock position side and the lock release position side, the rotating member comes into contact with the rotating member and rotates in one of the adjacent split cases. A regulation surface for restricting the rotation of the member is provided, and the regulation surface is arranged on the same plane as the mating surface of the adjacent split cases.

In this park lock device, when the rotating member rotates to the lock position side and the unlocked position side in one of the adjacent split cases, the rotating member comes into contact with the rotating member to regulate the rotation of the rotating member. Since the surface is provided, the rotation position of the rotating member on the lock position side and the lock release position side can be stably regulated.

Further, since the regulating surface is arranged on the same plane as the mating surface of the adjacent split cases, the regulating surface can be formed accurately and easily according to the processing of the mating surface of the split cases.

Therefore, in such a park lock device, the rotation position of the rotating member can be stably regulated.

According to the present invention, there is an effect that the cost can be reduced and a park lock device capable of stably regulating the rotation position of the rotating member can be provided.

It is an enlarged sectional view of the main part of the park lock apparatus which concerns on 1st Embodiment of this invention. It is a side view of the 1st division case of the park lock apparatus which concerns on 1st Embodiment of this invention. It is a side view of the 2nd division case of the park lock apparatus which concerns on 1st Embodiment of this invention. It is sectional drawing of the 2nd division case of the park lock apparatus which concerns on 1st Embodiment of this invention. It is a side view of the 1st division case of the park lock apparatus which concerns on 2nd Embodiment of this invention.

The park lock device according to the embodiment of the present invention will be described with reference to FIGS. 1 to 5.

(First Embodiment)
The first embodiment will be described with reference to FIGS. 1 to 4.

The park lock device 1 according to the present embodiment has a casing 7 including a first split case 3 and a second split case 5 as at least two split cases, and a rotation rotatably arranged inside the casing 7. Inside the shaft 9, a rotating member 11 that rotates around the axis of the rotating shaft 9 due to the rotation of the rotating shaft 9, a moving mechanism 13 that is moved by the rotation of the rotating member 11, and a casing 7. It includes a drive shaft 15 that is arranged and rotationally driven, and a lock member 17 that prevents the drive shaft 15 from rotating due to the movement of the moving mechanism 13.

Further, the rotating member 11 has a lock position side in which the lock member 17 blocks the rotation of the drive shaft 15 by rotation on one side in the rotation direction, and a drive shaft 15 by the lock member 17 due to rotation on the other side in the rotation direction. It is rotated between the lock release position side and the lock release position side that releases the prevention of rotation.

Further, in the first divided case 3, when the rotating member 11 rotates to the lock position side and the lock release position side, the rotating member 11 comes into contact with the rotating member 11 to restrict the rotation of the rotating member 11. , 21 are provided.

The regulation surfaces 19 and 21 are arranged on the same plane as the mating surface 23 of the first divided case 3 and the second divided case 5.

Further, the rotating shaft 9 is supported by the second divided case 5.

Further, the regulation surfaces 19 and 21 have a gap formed between the mating surface 23 of the first divided case 3 and the second divided case 5.

Further, the rotating member 11 has an intermediate portion of a cylindrical pin 30 fixed to the arm portions 28 on both ends of the notch of the urging member 25 that applies an urging force stepwise to the rotation of the rotating member 11. A V-shaped engaging portion 27, 29 with which the outer peripheral surface of the cylindrical roller 32 supported by the cylinder roller 32 is engaged is provided, and the regulating surface 19, 21 is on the opposite side of the engaging portion 27, 29 with the rotating shaft 9 interposed therebetween. Is located in.

The cylindrical roller 32 engages with either the engaging portion 27 or the engaging portion 29 by rotating the rotating member 11 to one side or the other side in the rotation direction, and the urging force of the urging member 25 (this implementation). In the form of, it receives spring force).

As a result, the cylindrical roller 32 is firmly engaged with both V-shaped rotation direction surfaces of the engaging portions 27 and 29, and is positioned as a lock position or an unlock position.

Further, the rotation shaft 9 is arranged so that the axial center direction is parallel to the mating surface 23 of the first divided case 3 and the second divided case 5.

Further, the rotating member 11 is provided with two contact portions 31, 33 that come into contact with the regulation surfaces 19 and 21 when rotated to the lock position side and the lock release position side, and the two contact portions 31, The center of rotation of the rotating member 11 is located on the extension in the middle of 33.

Further, the engaging portions 27 and 29 are formed on an extension between the two contact portions 31 and 33.

As shown in FIGS. 1 to 4, the casing 7 includes two divided first division cases 3 and a second division case 5.

The first split case 3 and the second split case 5 form a storage space for accommodating each member by aligning the mating surfaces 23 formed on the facing surfaces thereof and fixing them with a fixing means such as a bolt. ..

A liquid gasket as a sealing member is arranged on the mating surface 23 of the first divided case 3 and the second divided case 5, and the inside of the casing 7 is partitioned from the outside.

Inside the casing 7, a rotating shaft 9, a rotating member 11, a moving mechanism 13, a drive shaft 15, a lock member 17, a urging member 25, and the like are housed.

The rotary shaft 9 is rotatably supported by the second split case 5 through the side wall of the second split case 5 of the casing 7.

An actuator (not shown) made of an electric motor attached to the outside of the casing 7 is connected to an end portion of the rotating shaft 9 arranged outside the casing 7.

This actuator is operated by a user such as a driver switching the shift range to rotationally drive the rotary shaft 9.

Further, a stepping motor is used as this electric motor, and the motor can be rotated by a predetermined angle so as to be on the lock position side on one side in the rotation direction and the lock release position side on the other side in the rotation direction.

The rotation control is performed by a control means (not shown), and the control means accurately initializes the state of the rotation position of the electric motor by abutting the regulation surfaces 19, 21 and the two contact portions 31, 33. Rising (initial position setting) is possible.

A rotating member 11 is integrally rotatably provided on the end side of the rotating shaft 9 arranged inside the casing 7.

A pin protruding toward the outer diameter side of the rotating shaft 9 is provided at the end of the rotating shaft 9 to prevent the rotating member 11 from coming off from the rotating shaft 9.

The rotating member 11 is made of a thin plate, and rotates around the axis of the rotating shaft 9 by the rotation of the rotating shaft 9.

The rotating member 11 has a lock position in which the lock member 17 prevents the drive shaft 15 from rotating due to rotation to the rotation shaft 9, that is, one side and the other side of the actuator, and the rotation of the drive shaft 15 by the lock member 17. It is rotated between the lock release position and the lock release position to release the blocking.

The rotation of such a rotating member 11 is transmitted to the moving mechanism 13.

The moving mechanism 13 includes a moving member 35 and an operating member 37.

The moving member 35 is made of a long rod, one end of which is engaged with the rotating member 11 via a connecting portion 39, and the moving member 35 is axially moved by the rotation of the rotating member 11.

An operating member 37 is provided on the other end side of the moving member 35.

The operating member 37 is formed in a conical shape so as to be tapered, and is provided on the other end side of the moving member 35 so as to be integrally movable in the axial direction and movable on the moving member 35. It is housed inside the holding member 41 fixed to the two-divided case 5 so as to be movable in the axial direction.

A spring 43 that serves as a waiting mechanism for the lock member 17 is arranged between the operation member 37 and the moving member 35 when the lock member 17 blocks the rotation of the drive shaft 15.

Such an operating member 37 operates the lock member 17 by causing the inclined surface formed in a conical shape to come into contact with the lock member 17 by moving in the axial direction, or by releasing the abutment, to rotate the drive shaft 15. Release the blocking or the blocking of rotation.

The drive shaft 15 is an intermediate shaft of a transmission mechanism 45 provided on a power transmission path from an engine (not shown) or an electric motor (not shown) as a drive source to wheels.

The transmission mechanism 45 includes an engine shaft 47 connected to the engine, a motor shaft 49 connected to an electric motor, a differential shaft 51 that distributes driving force to the wheels via a differential device 50, and a generator (not shown). It includes a connected generator shaft 53, an intermediate shaft 55 arranged between the engine shaft 47 and the differential shaft 51, and a drive shaft 15 arranged between the motor shaft 49 and the differential shaft 51.

In this transmission mechanism 45, the driving force of the engine is output to the differential shaft 51 via the intermediate shaft 55 by the rotation of the engine shaft 47.

Further, the rotation of the engine shaft 47 is transmitted to the generator shaft 53, and power is generated by the generator.

On the other hand, in the rotation of the motor shaft 49, the driving force of the electric motor is output to the differential shaft 51 via the drive shaft 15.

In such a transmission mechanism 45, the drive shaft 15 is provided with a gear 57 so as to be integrally rotatable.

When the gear 57 meshes with the lock member 17, the rotation of the drive shaft 15 is blocked, the differential shaft 51 does not rotate, and the transmission of the driving force from the drive source to the wheels is blocked.

The lock member 17 is rotatably supported in a lock holding portion 59 provided in a concave shape in the second divided case 5 of the casing 7, and includes a contact portion 61 and a lock portion 63.

The contact portion 61 is provided on one end side of the lock member 17, and is arranged inside the holding member 41 accommodating the operating member 37 at the unlocked position of the rotating member 11.

The contact portion 61 rotates the lock member 17 so that the operation member 37 is abutted at the lock position of the rotating member 11 and the lock portion 63 of the lock member 17 meshes with the gear 57 of the drive shaft 15. ..

The lock portion 63 is provided on the other end side of the lock member 17, and when the contact portion 61 comes into contact with the operation member 37 and the lock member 17 is rotated, the lock portion 63 meshes with the gear 57 of the drive shaft 15 and the drive shaft. Block 15 rotations.

At this time, when the lock portion 63 is located on the tooth surface of the gear 57 and does not mesh with the gear 57, the lock portion 63 is urged toward the tooth bottom of the gear 57 by the spring 43 as a waiting mechanism. When the lock portion 63 is positioned at the meshing position with the gear 57, it meshes with the gear 57.

In such a lock member 17, a spring 65 that urges the lock member 17 to rotate in the meshing release direction between the lock portion 63 and the gear 57 is arranged.

The spring 65 is set so that the urging force is weaker than that of the spring 43 as a waiting mechanism provided in the moving mechanism 13.

Such a spring 65 rotates the lock member 17 in the meshing release direction between the lock portion 63 and the gear 57 when the contact between the contact portion 61 of the lock member 17 and the operation member 37 is released. The engagement between the lock portion 63 and the gear 57 is released, and the prevention of rotation of the drive shaft 15 is released.

The urging member 25 gradually applies urging force to the rotating member 11 that rotates the lock member 17 by the fluctuation of the rotation position.

The urging member 25 is made of a leaf spring, one end side of which is bolted to the second split case 5 of the casing 7, and the other end side of which is a cylindrical roller 32 engaged with the engaging portions 27 and 29 of the rotating member 11. It is equipped with.

The cylindrical roller 32 at the other end of the urging member 25 fluctuates between the engaging portions 27 and 29 of the rotating member 11 due to the rotation of the rotating member 11, and any V-shaped engaging portion 27. , 29 is engaged, and at the engaged position, the urging member 25 applies an urging force to the rotating member 11 and restricts the rotation of the rotating member 11.

Here, the engaging portion 27 of the rotating member 11 becomes a V-shaped locking recess with which the cylindrical roller 32 of the urging member 25 engages when the rotating member 11 is positioned on the lock position side. There is.

On the other hand, the engaging portion 29 of the rotating member 11 becomes a V-shaped disengaging recess in which the cylindrical roller 32 of the urging member 25 engages when the rotating member 11 is located on the unlocked position side. There is.

Therefore, the urging member 25 applies an urging force to the rotating member 11 in two stages of the locking position side and the unlocking position side of the rotating member 11.

The rotational position of the rotating member 11 is defined by the urging force of the urging member 25.

Here, the rotation restricting means of the rotating member 11 is provided to prevent unexpected over-rotation of the rotating member 11 or to initialize an actuator such as an electric motor as described above.

Conventionally, the casing 7 is provided with a pin as a restricting member that abuts on the rotating member 11 and regulates the rotation of the rotating member 11 on the lock position side and the unlock position side of the rotating member 11. rice field.

However, in the structure in which a separate pin is attached to the casing 7, it is necessary to improve the accuracy of assembling the pin to the casing 7, the processing accuracy of the casing 7 for assembling the pin, and the like, resulting in high cost.

Further, even in the structure in which the pin is provided integrally with the casing 7, since the rotating member 11 is in contact with the outer peripheral surface of the pin, it is necessary to improve the accuracy of the position where the pin is provided with respect to the casing 7. There was a concern that the cost would increase.

Therefore, when the rotating member 11 rotates to the lock position side and the lock release position side, the first divided case 3 of the casing 7 comes into contact with the rotating member 11 to restrict the rotation of the rotating member 11. The regulation surfaces 19 and 21 are provided, and the regulation surfaces 19 and 21 are arranged on the same plane as the mating surface 23 of the first division case 3 and the second division case 5.

The regulation surfaces 19 and 21 are tip surfaces in the projecting direction of the protrusions that are projected from the bottom of the first divided case 3 of the casing 7 toward the mating surface 23 side.

Of the regulation surfaces 19 and 21, the regulation surface 19 is a lock surface that comes into contact with the rotation member 11 when the rotation member 11 is located on the lock position side.

On the other hand, the restricting surface 21 is a release surface that comes into contact with the rotating member 11 when the rotating member 11 is located on the unlocked position side.

Such regulating surfaces 19 and 21 are simultaneously processed when the mating surface 23 of the first divided case 3 and the second divided case 5 is formed by processing such as polishing after the first divided case 3 is molded. And is arranged on the same plane as the mating surface 23.

By arranging the regulating surfaces 19 and 21 on the same plane as the mating surface 23 of the first split case 3 and the second split case 5 in this way, the casing is compared with a separate regulating member such as a pin. It is not necessary to improve the assembly accuracy of the pin with respect to the pin 7, the processing accuracy of the casing 7 for assembling the pin, and the like, and the regulation surfaces 19 and 21 can be provided at low cost.

Further, since the regulating surfaces 19 and 21 can be provided according to the processing of the mating surface 23 of the first split case 3 and the second split case 5, the regulating surfaces 19 and 21 can be provided individually on the casing 7. In addition, it is not necessary to improve the positional accuracy of the regulating surfaces 19 and 21 with respect to the casing 7, and the regulating surfaces 19 and 21 can be provided at low cost.

Such regulating surfaces 19 and 21 are provided in the first divided case 3 of the casing 7, and the rotating shaft 9 for rotating the rotating member 11 abutting on the regulating surfaces 19 and 21 is the casing 7. It is supported by the second split case 5.

In addition, in the second divided case 5, in addition to the rotating shaft 9 and the rotating member 11, members such as the moving mechanism 13, the lock member 17, and the urging member 25 are also arranged.

By arranging other members such as the rotating shaft 9 in the second divided case 5 on the opposite side of the first divided case 3 provided with the regulating surfaces 19 and 21 in this way, the structure of the first divided case 3 is simplified. It is possible to improve the positional accuracy of the regulation surfaces 19 and 21 with respect to the first division case 3.

A gap is formed between the regulation surfaces 19 and 21 and the mating surface 23 of the first division case 3 and the second division case 5.

A liquid gasket as a sealing member arranged on the mating surface 23 of the first division case 3 and the second division case 5 flows into this gap, and prevents the gasket from being arranged on the regulation surfaces 19 and 21. be able to.

Such regulating surfaces 19 and 21 are arranged on the opposite sides of the engaging portions 27 and 29 of the rotating member 11 with the rotating shaft 9 for rotating the rotating member 11 interposed therebetween.

By arranging the restricting surfaces 19 and 21 in this way, when the rotating member 11 comes into contact with the restricting surfaces 19 and 21 on the lock position side and the unlock position side, the urging force of the urging member 25 is rotated. It can be stably applied to the member 11, and the rotation position of the rotating member 11 can be stably defined.

Here, the rotating shaft 9 for rotating the rotating member 11 is arranged in the axial center direction in parallel with the mating surface 23 of the first divided case 3 and the second divided case 5.

By arranging the rotating shaft 9 in this way, the rotating member 11 has a rotating member 11 with respect to the regulating surfaces 19 and 21 arranged on the same plane as the mating surface 23 of the first divided case 3 and the second divided case 5. The rotation position of the rotating member 11 can be stably defined without being tilted and abutting.

On such regulating surfaces 19 and 21, two are provided on the rotating member 11 when the rotating member 11 is located on the lock position side or when the rotating member 11 is located on the unlocked position side. The contact portions 31 and 33 are brought into contact with each other.

The two contact portions 31 and 33 are provided on the opposite sides of the rotating member 11 from the engaging portions 27 and 29 with the rotating shaft 9 interposed therebetween.

Of these two contact portions 31, 33, the contact portion 31 is a lock projection that comes into contact with the regulation surface 19 as the lock surface when the rotating member 11 is located on the lock position side.

On the other hand, the contact portion 33 is a release protrusion that comes into contact with the regulation surface 21 as the release surface when the rotating member 11 is located on the lock release position side.

The rotation center of the rotating member 11, that is, the rotation axis 9, is arranged on the extension in the middle of the straight line connecting the two contact portions 31, 33.

Specifically, the rotation center (rotation axis 9) of the rotation member 11 is 2 in the projection plane when the rotation member 11 is viewed from the contact portions 31, 33 side in the plane direction of the rotation member 11. It is arranged at an intermediate position of a straight line connecting the two contact portions 31, 33.

By arranging the two contact portions 31 and 33 in this way, the rotation center and the contact portion do not take up space in the direction toward the mating surface 23 of the first split case 3 and the second split case 5. The distance from the 31 and 33 can be secured, the contact moment can be increased, and the contact surface pressure with the regulation surfaces 19 and 21 can be reduced.

Here, the engaging portions 27 and 29 of the rotating member 11 are formed on an extension in the middle of the two contact portions 31 and 33.

Specifically, in the projection plane when the rotating member 11 is viewed from the contact portion 31, 33 side in the plane direction of the rotating member 11, the engaging portions 27, 29 are the two contact portions 31, 33. It is placed between the straight lines connecting.

By arranging the engaging portions 27 and 29 in this way, the engaging portions 27 and 29 do not project toward the outer diameter side of the rotating member 11, and the increase in size of the device can be suppressed.

In the park lock device 1 configured in this way, when the rotating member 11 is rotated to the lock position side by the operation of the actuator, the moving member 35 is moved to the lock member 17 side, and the operating member 37 is the lock member 17. It comes into contact with the contact portion 61.

Due to the contact between the operating member 37 and the contact portion 61, the operating member 37 presses the contact portion 61 of the lock member 17 and pushes the contact portion 61 side of the lock member 17 against the urging force of the spring 65. And rotate the lock member 17.

The rotation of the lock member 17 pushes up the lock portion 63 of the lock member 17, meshes with the gear 57, and prevents the rotation of the drive shaft 15.

The maximum position of rotation of the rotating member 11 at this time is defined by the contact portion 31 of the rotating member 11 coming into contact with the regulation surface 19.

On the other hand, in the locked state of the lock member 17, when the rotating member 11 is rotated to the unlocked position side by the operation of the actuator, the moving member 35 is moved to the rotating member 11 side, and the operating member 37 and the lock member 17 are moved. The contact with the contact portion 61 is released.

By releasing the contact between the operating member 37 and the contact portion 61, the lock member 17 is rotated so that the contact portion 61 side of the lock member 17 rises due to the urging force of the spring 65.

By the rotation of the lock member 17, the lock portion 63 of the lock member 17 is lowered, the meshing with the gear 57 is released, and the prevention of rotation of the drive shaft 15 is released.

The maximum position of rotation of the rotating member 11 at this time is defined by the contact portion 33 of the rotating member 11 coming into contact with the regulation surface 21.

In such a park lock device 1, when the rotating member 11 rotates to the lock position side and the lock release position side in the first divided case 3, the rotating member 11 comes into contact with the rotating member 11 and rotates. Since the regulating surfaces 19 and 21 for regulating the above are provided, the rotation position of the rotating member 11 with respect to the lock position side and the lock release position side can be stably regulated.

Further, since the regulation surfaces 19 and 21 are arranged on the same plane as the mating surface 23 of the first split case 3 and the second split case 5, the regulating surfaces 19 and 21 are the mating surfaces of the split cases 3 and 5. It can be formed accurately and easily according to the processing of 23, and the cost can be reduced.

Therefore, in such a park lock device 1, the cost can be reduced and the rotation position of the rotating member 11 can be stably regulated.

Further, since the rotating shaft 9 is supported by the second divided case 5, the structure of the first divided case 3 can be simplified, and the positional accuracy of the regulation surfaces 19 and 21 with respect to the first divided case 3 can be improved. Can be enhanced.

Further, since the regulation surfaces 19 and 21 have a gap formed between the mating surface 23 of the first divided case 3 and the second divided case 5, the first divided case 3 and the second divided case 5 are combined. By inserting the seal member arranged on the mating surface 23 into the gap, it is possible to prevent the seal member from being arranged on the regulation surfaces 19 and 21.

Further, since the restricting surfaces 19 and 21 are arranged on the opposite sides of the engaging portions 27 and 29 with the rotating shaft 9 interposed therebetween, the rotating members 11 are arranged on the locked position side and the unlocked position side. The urging force of the urging member 25 can be stably applied to the rotating member 11, and the rotational position of the rotating member 11 can be stably defined.

Further, since the rotation shaft 9 is arranged in the axial direction parallel to the mating surface 23 of the first division case 3 and the second division case 5, the rotation member 11 is arranged with respect to the regulation surfaces 19 and 21. The rotation position of the rotating member 11 can be stably defined without being tilted and abutting.

Further, since the rotation center of the rotating member 11 is located on the extension between the two contact portions 31 and 33, the mating surface 23 of the first divided case 3 and the second divided case 5 is formed. The distance between the center of rotation and the contact portions 31 and 33 can be secured without taking up space in the direction toward the direction, the contact moment is increased, and the contact surface pressure with the regulation surfaces 19 and 21 is reduced. can do.

Further, since the engaging portions 27 and 29 are formed on the extension between the two contact portions 31 and 33, the engaging portions 27 and 29 project toward the outer diameter side of the rotating member 11. It is possible to suppress the increase in size of the device.

(Second Embodiment)
The second embodiment will be described with reference to FIG.

In the park lock device 101 according to the present embodiment, the regulation surfaces 19 and 21 are formed continuously with the mating surface 23 of the first division case 3 and the second division case 5.

In addition, although the same symbol is described in the same configuration as the first embodiment and the description is omitted, since the configuration is the same as that of the first embodiment, the configuration and the functional description refer to the first embodiment. However, the obtained effects are the same.

As shown in FIG. 5, the regulating surfaces 19 and 21 are one member continuous with the side wall of the first divided case 3 of the casing 7, and are projected from the bottom of the first divided case 3 toward the mating surface 23 side. It is the tip surface in the protruding direction of the protrusion.

The regulation surfaces 19 and 21 are arranged on the same plane as the mating surface 23 of the first split case 3 and the second split case 5 (see FIG. 2), and are formed continuously with the mating surface 23. ..

By forming the regulating surfaces 19 and 21 continuously with the mating surface 23 in this way, it is easy to form the regulating surfaces 19 and 21 at the time of molding the first divided case 3, and the mating surface 23 can be polished or otherwise processed. At the same time, the regulation surfaces 19 and 21 can be easily processed, and the cost can be further reduced.

The distance between the regulating surfaces 19 and 21 and the mating surface 23 is such that the gasket does not reach the regulating surfaces 19 and 21 even if the liquid gasket as the sealing member arranged on the mating surface 23 flows. It is set to the position you have.

In such a park lock device 101, since the regulation surfaces 19 and 21 are continuously formed with the mating surface 23 of the first division case 3 and the second division case 5, the regulation surfaces 19 and 21 can be molded. It is easy to process and the cost can be reduced.

In the park lock device according to the embodiment of the present invention, the casing has a two-divided structure, but the present invention is not limited to this, and a restricting surface is provided on the mating surface of adjacent divided cases of the casing having a structure of three or more divisions. You may.

1,101 ... Park lock device 3 ... 1st split case 5 ... 2nd split case 7 ... Casing 9 ... Rotating shaft 11 ... Rotating member 13 ... Moving mechanism 15 ... Drive shaft 17 ... Lock member 19, 21 ... Regulatory surface 23 ... Mating surface 25 ... Basis member 27, 29 ... Engaging part 31, 33 ... Contact part

Claims (8)

A casing composed of at least two divided cases, a rotating shaft rotatably arranged inside the casing, a rotating member that rotates around the axis of the rotating shaft by rotation of the rotating shaft, and rotation thereof. A park lock device including a moving mechanism that is moved and operated by the rotation of a member, a drive shaft that is arranged and driven in the casing, and a lock member that prevents the drive shaft from rotating by the movement of the moving mechanism. And
The rotating member is rotated between the lock position side where the lock member blocks the rotation of the drive shaft and the lock release position side where the lock member releases the lock release from the rotation of the drive shaft.
In one of the adjacent split cases, when the rotating member rotates to the lock position side and the unlock position side, the rotating member comes into contact with the rotating member to restrict the rotation of the rotating member. There is a regulatory aspect,
The park lock device is characterized in that the regulation surface is arranged on the same plane as the mating surface of the adjacent split cases. The park lock device according to claim 1.
A park lock device characterized in that a rotation axis is supported on the other of the adjacent split cases. The park lock device according to claim 1 or 2.
The regulation surface is a park lock device characterized in that a gap is formed between the control surface and the mating surfaces of the adjacent split cases. The park lock device according to claim 1 or 2.
The park lock device is characterized in that the regulation surface is continuously formed with the mating surfaces of the adjacent split cases. The park lock device according to any one of claims 1 to 4.
The rotating member is provided with an engaging portion in which an urging member that applies an urging force stepwise to the rotation of the rotating member is engaged.
The park lock device is characterized in that the restricting surface is arranged on the side opposite to the engaging portion with the rotating shaft interposed therebetween. The park lock device according to any one of claims 1 to 5.
The rotation axis is a park lock device characterized in that the axis directions are arranged in parallel with the mating surfaces of the divided cases adjacent to each other. The park lock device according to any one of claims 1 to 6.
The rotating member is provided with two contact portions that come into contact with the regulation surface when rotated to the lock position side and the lock release position side.
A park lock device characterized in that the rotation center of the rotating member is located on an extension between the two contact portions. The park lock device according to claim 7.
The rotating member is provided with an engaging portion in which an urging member that applies an urging force stepwise to the rotation of the rotating member is engaged.
A park lock device, characterized in that the engaging portion is formed on an extension between the two abutting portions.

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