JP2013052694A - Vehicle seat device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle seat device provided with a rotation lock release mechanism widely applicable to a seat without requiring an actuator for releasing a lock and also without requiring an actuator for sliding in a vehicle front-rear direction or sliding in a vehicle width direction other than for rotary drive.SOLUTION: A gear plate concentric to the rotation center of a rotary frame 4 is swingably provided relative to the rotary frame 4 by a predetermined angle. After the gear plate is swung in the rotation direction by the predetermined angle while receiving power by a rotation motor unit 5, the rotation is transmitted to the rotary frame 4. When a seat provided at the rotary frame 4 is rotated in a forward direction of a vehicle and a lateral direction outside the vehicle and when the gear plate is swung, a push-out surface 35a of a release plate 17 having the gear plate in an integrated manner hits on a lock cam actuation pin 28 integrally provided at a lock cam 26 provided on the rotary frame 4, and the lock cam 26 is turned to a lock release position relative to a lock pin 9 integrally provided on a base frame 2.

Description

  The present invention relates to a vehicle seat device including a rotation device that rotates a seat from the front of the vehicle to the side of the vehicle.

  In a vehicle seat device having a function of rotating a seat from the front of the vehicle to the side of the vehicle, conventionally, an electric actuator for releasing the rotation lock has been set, which has been expensive. In addition, even if there is no dedicated actuator set, it can be applied only to those that have an operation function such as a slide because it uses operations other than rotational drive such as slide in the vehicle longitudinal direction and slide in the vehicle width direction. There was a problem.

  In Patent Document 1, in a vehicle seat having a function of rotating the seat body between the vehicle front direction and the door opening direction and moving in the vehicle width direction, the nut 73 is moved by the rotation of the screw shaft 72. The seat body is configured to move in the vehicle width direction. When the nut 73 is moved by a certain distance, the guide roller 69 is pushed and the operating arm 66 is moved in parallel, whereby the lock plate 64 is rotated in the ank direction. There has been proposed a mechanism for releasing the lock rotation mechanism of the seat body, in which the claw portion 64a is configured to be detached from the striker 61.

JP 2004-249818 A

  In Patent Document 1, as described above, it is necessary to move the seat body in the vehicle width direction in order to release the rotation lock mechanism of the seat body, and the seat body is moved in the vehicle width direction only by rotating in the lateral direction. It cannot be applied to a seat device that is not equipped with a sliding device.

  The vehicle seat device of the present invention can be widely applied to a seat that does not require an actuator for unlocking and does not require an actuator other than rotational drive such as a vehicle longitudinal slide and a vehicle width slide. The present invention has been devised to provide a vehicular seat device having a simple rotation lock release mechanism.

  A gear plate is provided concentrically with the rotation center of the rotation frame so as to be swingable by a predetermined angle with respect to the rotation frame, and is rotated by the rotation frame after the gear plate swings by the predetermined angle in the rotation direction by receiving power from a rotation motor. Is transmitted, the seat provided on the rotating frame is rotated forward and laterally outside the vehicle, and when the gear plate swings, the pushing surface of the release plate provided integrally with the gear plate is provided on the rotating frame. The vehicle seat device is formed by hitting a lock cam operating pin provided integrally with the lock cam and rotating the lock cam to a lock release position with respect to a lock pin provided integrally on the base frame.

  The rotating frame is supported on a pivot of a base frame so as to freely rotate at a required angle, and on the surface of the rotating frame, a release plate body bearing hole provided in a base is loosely fitted to the pivot and is rotatably supported by a release plate body. The gear plate is disposed on the back surface side of the support plate portion, and the slide stopper receiving portion provided integrally with the gear plate is penetrated through a hole for the swing stopper receiving portion that opens in the support plate portion. The release plate may be integrally attached between the base portion and the tip portion of the release plate main body, and the release plate may be provided so as to freely swing by a predetermined angle.

  In the support plate portion of the rotating frame, a lock hole for inserting the lock pin on a radial circle centered on the rotating frame bearing hole is opened near the side edge opposite to the rotating frame bearing hole side and A cam shaft projects from the back surface of the support plate that is closer to the rotary frame bearing hole than the lock hole, and a lock cam having a base supported on the cam shaft may be rotatably provided. is there.

  The lock cam is provided with a lock cam operating pin that protrudes upward by being inserted from below into a rotation hole for a lock cam operating pin that is opened in a support plate portion of the rotating frame, and the lock cam has the base at the base portion. A first spring post is disposed at a position spaced from the cam shaft, and the first spring post is inserted from below into a first spring post rotation hole formed in a support plate portion of the rotating frame, The first spring post is connected to the other end of a lock cam return spring having one end attached to a second spring post provided on the upper surface of the support plate, and the lock cam is moved in the traction direction around the cam shaft by the lock cam return spring. The lock cam operating pin is collided with the stopper portion of the lock cam operating pin rotating hole, and the projecting lock formed at the tip of the lock cam is Is fitted into the lock hole from the side opening edges are those may be made is held in place.

  The release plate main body has a push-out surface for rotating the lock cam operating pin at the tip, and a hole cam for operating the lock cam to the release side and a loose fitting hole for loosely fitting the second spring post respectively correspond to each other. It is also possible to be established.

  Since the vehicle seat device according to the present invention does not require an actuator for unlocking, the vehicle seat device contributes to cost reduction and requires an actuator other than rotational drive such as a vehicle longitudinal slide and a vehicle width slide. Can be widely used for non-use sheets.

FIG. 6 is a plan view of the seat device of the present invention when the seat is facing forward and the rotation frame is in a rotation-locked state with respect to the slide base frame. Similarly, in a state in which the seat of the seat device of the present invention is facing forward, the link driving plate of the rotating frame is rotated with respect to the slide base frame and the rotation lock is released, and then the rotating frame is slightly rotated. is there. Similarly, it is a top view of a rotation stop state of a rotation frame to a slide base frame in a state where a seat of a seat device of the present invention rotated laterally outside a vehicle. It is a top view which shows the coupling structure of a rotation frame and a linkage drive plate. It is a top view of a slide base frame single-piece | unit. It is a top view of a rotating frame main body. Similarly, it is a front view. It is a top view which shows the rack board part single-piece | unit of a linkage drive board. Similarly, it is a front view. It is a top view of a linkage drive plate main body. It is the elements on larger scale explaining the engagement operation with the lock shaft on a slide base frame, and the lock lever on a rotation frame. It is sectional drawing which follows the AA line of FIG.

  A rail device that slides back and forth on the floor of the passenger compartment is installed. A base frame that slides back and forth on this rail device, and a rotating frame with a seat on the pivot of the base frame, makes the seat forward and out of the vehicle. The base frame is provided with a rotary motor unit, and the output pinion of the rotary motor unit corresponds to the rotation path of the tooth portion of the gear plate mounted on the rotary frame. The lock pin is erected at a position separated from the pivot on the upper surface of the base frame toward the side opposite to the pivot, and on the surface of the support plate of the rotating frame, the pivot is mounted on the pivot. A release plate body that is loosely fitted and rotatably supported by a release plate body bearing hole provided in the base is provided, and the back surface of the support plate portion The gear plate is integrally formed between the base portion and the tip portion of the release plate main body through a hole for receiving the stopper portion that is provided integrally with the gear plate. A lock that is attached and provided with a release plate, and that fits the lock pin on a radial circle centered on the rotary frame bearing hole, near the side edge opposite to the rotary frame bearing hole side of the support plate portion of the rotary frame And a camshaft is provided on the back surface of the support plate on the rotary frame bearing hole side of the lock hole, and a lock cam whose base is pivotally supported on the camshaft is rotatably provided. The lock cam has a lock cam operation pin that is inserted into a rotation hole for a lock cam operation pin formed in a support plate portion of the rotating frame from below and protrudes upward, and the lock cam is provided at a base portion thereof. A first spring post is disposed at a position separated from the cam shaft, and the first spring post is inserted from below into a first spring post rotation hole formed in a support plate portion of the rotary frame, and the rotation The first spring post is connected to the other end of a lock cam return spring having one end attached to a second spring post provided on the upper surface of the support plate portion of the frame, and a protruding lock formed at the tip of the lock cam is provided. The release plate main body is provided so as to be fitted in the lock hole and held in a fixed position, and the release plate main body has a pushing surface for rotating the lock cam operating pin at the tip, and a hole for operating the lock cam to the release side A vehicle seat device in which a loose fitting hole for loosely fitting a cam and the second spring post upward is formed correspondingly.

  Hereinafter, the seat device of the present invention will be described with reference to the drawings showing an embodiment. The seat device 1 of the embodiment is provided with a rail device (not shown) that slides back and forth on the floor surface of the passenger compartment. The base frame 2 is slid forward and backward, and the rotary frame 4 is supported around the pivot 3 of the base frame 2 so as to be rotatable at a required angle. Although not shown, a seat is provided on the rotating frame.

  The base frame 2 is provided with a rotary motor unit 5, and an output pinion 6 of the rotary motor unit 5 has teeth corresponding to a rotation path of a tooth portion 7 a of a gear plate 7 provided in the rotary frame 4. It is provided so as to mesh with the portion 7a.

  A bearing portion 8 is provided around the pivot 3 on the upper surface of the base frame 2.

  A lock pin 9 is erected at a position spaced apart from the pivot 3 on the upper surface of the base frame 2 toward the opposite side surface. The lock pin 9 is provided from a columnar portion 9a and an upper end flange portion 9b.

  The rotating frame 4 is provided with a rotating frame bearing hole 10 into which the pivot 3 is inserted into a supporting plate portion 4a constituting the upper surface thereof, and a guide plate 11 for guiding the bearing portion 8 on the back surface of the supporting plate portion 4a. A mounting hole 12 for mounting is opened.

  On the surface of the support plate portion 4a of the rotating frame 4, a release plate body bearing hole 14 provided in the base portion 13a on the pivot 3 is loosely fitted and rotatably supported. The gear plate 7 penetrates the perforation stopper receiving portion hole 16 that opens the peristaltic stopper receiving portion 15 provided integrally with the gear plate 7 on the back plate side of the support plate portion 4a. A release plate 17 is provided integrally attached between the base portion 13a and the distal end portion 13b of the release plate main body 13.

  The sliding stopper receiving portion 15 of the gear plate 7 and the release plate main body 13 are attached to the release plate main body 13 with an attachment hole 18 and fixed with screws 19.

  A rocking hole 20 is formed near the tip of the release plate main body 13, and a screw 22 having a base fixed to a mounting hole 21 formed in the support plate portion 4 a of the rotating frame 4 is inserted. Alternatively, the release plate main body 13 is supported by a washer 23 provided on the lower surface of the head so as not to be separated upward from the support plate portion 4a of the rotating frame 4 during operation.

  In the support plate portion 4a of the rotating frame 4, an outer opening having a width to fit the lock pin 9 on a radial circle centered on the rotating frame bearing hole 10 is located near the side edge opposite to the rotating frame bearing hole 10 side. The outer edge 24a1 and the inner edge 24a2, the outer edge 24a1 and the rear edge 4a1 on one side of the inner edge 24a2 is provided with an inlet / outlet 24b for the lock pin 9 to enter and exit, A locking hole 24 provided with a collision locking portion 24c for collision locking the locking pin 9 is formed in the support plate portion 4a on the other side of 24a1 and the inner edge 24a2.

  In the support plate portion 4 a of the rotating frame 4, a cam shaft 25 protrudes from the back surface of the support plate portion 4 a on the inner edge 24 a 1 side which is the rotating frame bearing hole 10 side of the locking hole 24. A lock cam 26 on which the base portion 26a is pivotally supported is rotatably provided.

  The distal end portion 26 b of the lock cam 26 is provided with a lock cam operation pin 28 that is inserted from below into a lock cam operation pin rotation hole 27 provided in the support plate portion 4 a of the rotating frame 4 and protrudes upward.

  The lock cam 26 is provided with a first spring post 29 at a position separated from the cam shaft 25 at a base portion 26 a, and the first spring post 29 is a first spring opened on the support plate portion 4 a of the rotating frame 4. The first spring is inserted into the other end of a lock cam return spring 32 inserted into the post rotation hole 30 from below and having one end attached to a second spring post 31 provided on the upper surface of the support plate portion 4a of the rotating frame 4. The post 29 is connected, the lock cam return spring 32 rotates the lock cam 26 around the cam shaft 25 in the pulling direction, and the lock cam operation pin 28 collides with the stopper portion 27a of the lock cam operation pin rotation hole 27, A lock engaging portion 33 formed at the distal end portion 26b of the lock cam 26 is inserted into the lock hole 24 from the inner edge 24a2 and held in place. Configured to be.

  A locking engagement metal 34 having a U-shaped engagement groove 34a for causing the lock pin 9 to collide and engage with the collision locking portion 24c of the locking hole 24 is fixed to the back surface of the support plate portion 4a of the rotating frame 4. Deployed. The columnar portion 9a of the lock pin 9 collides with the U-shaped engagement groove 34a of the lock engagement metal 34 to stop the rotation of the rotary frame 4, and a part of the upper surface of the lock engagement metal 34 is the lock pin. 9, the locking frame 34 and the lock pin 9 are engaged so that the rotating frame 4 is provided so as not to be separated upward with the rotating frame bearing hole 10 as the center.

  The release plate main body 13 includes a push-out surface 35a for rotating the lock cam operating pin 28 at the tip end portion 13b, and loosely fits the hole cam 35 and the second spring post 31 for operating the lock cam 26 to the release side. A loose fitting hole 36 is opened correspondingly.

  One end of the lock cam return spring 32 is engaged with the upper end portion of the second spring post 31 that is loosely fitted in the loose fitting hole 36 of the release plate main body 13.

  Since the seat device 1 of the embodiment of the present invention is constructed as described above, when the output pinion 6 of the rotary motor unit 5 supported by the base frame 2 rotates, a gear plate 7 having a tooth portion 7a engaged therewith is integrated. The release plate 17 provided in the step starts to rotate around the pivot 3. Since the pushing surface 35a of the release plate 17 is angled in the rotation direction, the lock cam return pin 32 is extended to the lock release position to rotate the lock cam operating pin 28 provided integrally with the lock cam 26 by rotation. After the lock cam 26 is rotated to the unlocking position and unlocked with the lock pin 9, a peristaltic stopper receiving portion that integrally couples the gear plate 7 having the tooth portion 7 a and the releasing plate main body 13 to the rotating frame is provided. The rotating frame 4 is rotated outward by hitting the outer receiving end 16a of the established peristaltic stopper receiving hole 16. In the embodiment, the rotary frame 4 is rotated 90 degrees and the rotary motor unit 5 is stopped. Therefore, the seat provided on the rotating frame 4 is rotated sideways outside the vehicle.

  In a state where the rotating frame 4 rotates the seat laterally outside the vehicle, a gear including a tooth portion 7a that meshes with the output pinion 6 when the output pinion 6 rotates in the opposite direction by the rotating motor unit 5 supported by the base frame 2. The release plate main body 13 integrated with the plate 7 starts rotating in the retracting direction about the pivot 3. Since the pushing surface 35a of the release plate main body 13 that has controlled the lock cam operation pin 28 is separated from the lock cam operation pin 28 by rotation, the lock cam 26 is returned to the lock position by the lock cam return spring 32. Then, the peristaltic stopper receiving portion 15 for integrally coupling the gear plate 7 having the tooth portion 7a and the release plate main body 13 hits the inner receiving end 16b of the peristaltic stopper receiving portion hole 16 provided in the rotating frame 4, and the rotating frame. 4 is rotated. When the rotary frame 4 is rotated to the front of the storage position, the lock pin 9 supported integrally with the base frame 2 is fitted into the lock hole 24, and the lock cam 26 is pushed by the lock pin 9 to operate once in the release direction. When the storage position is reached, that is, when the collision lock portion 24c is reached, the restriction by the lock pin 9 is released and the lock cam return spring 32 pulls back to the lock position. Therefore, the lock pin 9 is locked by the lock cam 26, and the seat supported on the rotating frame 4 is rotated and stored forward in the vehicle.

  The vehicle seat device according to the present invention contributes to cost reduction and can be widely used for vehicle seat devices.

DESCRIPTION OF SYMBOLS 1 Seat apparatus 2 Base frame 3 Pivot 4 Rotating frame 4a Supporting plate part 4a1 Trailing edge 5 Rotating motor unit 6 Output pinion 7 Gear plate 7a Tooth part 8 Bearing part 9 Lock pin 9a Columnar part 9b Upper end collar part 10 Rotating frame bearing hole 11 Guide plate 12 Mounting hole 13 Release plate body 13a Base part 13b Tip part 14 Release plate body bearing hole 15 Peristaltic stopper receiving part 16 Oscillating stopper receiving part hole 16a Outer receiving end 16b Inner receiving end 17 Release plate 18 Mounting hole 19 Screw 20 Swing hole 21 Mounting hole 22 Screw 23 Washer 24 Lock hole 24a1 Outer lip 24a2 Inner lip 24b Entrance / exit 24c Collision lock 25 Cam shaft 26 Lock cam 26a Base 26b Tip 27 Lock cam operating pin rotation hole 27a Stopper Part 28 Lock Operating pin 29 first spring post 30 first spring post rotation hole 31 second spring post 32 lock cam return spring 33 lock engagement portion 34 lock engagement metal 34a U-shaped engagement groove 35 hole cam 35a push-out surface 36 Loose hole

Claims (5)

A gear plate is provided concentrically with the rotation center of the rotation frame so as to be swingable by a predetermined angle with respect to the rotation frame, and is rotated by the rotation frame after the gear plate swings by the predetermined angle in the rotation direction by receiving power from a rotation motor. Is transmitted, the seat provided on the rotating frame is rotated forward and laterally outside the vehicle, and when the gear plate swings, the pushing surface of the release plate provided integrally with the gear plate is provided on the rotating frame. A vehicle seat device in which a lock cam is brought into contact with a lock cam operating pin provided integrally with the lock cam and rotated to a lock release position with respect to the lock pin provided integrally on the base frame. The rotating frame is supported on a pivot of a base frame so as to freely rotate at a required angle, and on the surface of the rotating frame, a release plate body bearing hole provided in a base is loosely fitted to the pivot and is rotatably supported by a release plate body. The gear plate is disposed on the back surface side of the support plate portion, and the slide stopper receiving portion provided integrally with the gear plate is penetrated through a hole for the swing stopper receiving portion that opens in the support plate portion. 2. The seat device according to claim 1, wherein the release plate is integrally attached between a base portion and a distal end portion of the release plate body, and the release plate is provided so as to be swingable by a predetermined angle. In the support plate portion of the rotating frame, a lock hole for inserting the lock pin on a radial circle centered on the rotating frame bearing hole is opened near the side edge opposite to the rotating frame bearing hole side and 3. A seat device according to claim 2, wherein a cam shaft projects from the back surface of the support plate portion closer to the rotary frame bearing hole than the lock hole, and a lock cam having a base portion pivotally supported on the cam shaft is rotatably disposed. . The lock cam is provided with a lock cam operating pin that protrudes upward by being inserted from below into a rotation hole for a lock cam operating pin that is opened in a support plate portion of the rotating frame, and the lock cam has the base at the base portion. A first spring post is disposed at a position spaced from the cam shaft, and the first spring post is inserted from below into a first spring post rotation hole formed in a support plate portion of the rotating frame, The first spring post is connected to the other end of a lock cam return spring having one end attached to a second spring post provided on the upper surface of the support plate, and the lock cam is moved in the traction direction around the cam shaft by the lock cam return spring. The lock cam operating pin is collided with the stopper portion of the lock cam operating pin rotating hole, and the projecting lock formed at the tip of the lock cam is Seat assembly is inserted into the lock hole from the side opening edges formed by held in place claim 3. The release plate main body has a push-out surface for rotating the lock cam operating pin at the tip, and a hole cam for operating the lock cam to the release side and a loose fitting hole for loosely fitting the second spring post respectively correspond to each other. 5. The seat device according to claim 4, wherein the seat device is established.

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