JP5630811B2 - Vehicle seat device - Google Patents

Description

  The present invention relates to a vehicle seat device including a seat installed on a passenger compartment floor and an operation lever for operation when adjusting the front-rear position of the seat.

  Conventionally, the above-described vehicle seat device is disclosed in Patent Document 1 below. According to this publication, the seat device includes a seat installed on the passenger compartment floor, and the seat includes a reclining device that allows the seat back to tilt forward and backward.

  The seat device includes an operation lever extending forward from the reclining device. The operation lever has a lever body whose other end is supported by the reclining device so that the front end thereof can be moved backward and backward, and extends from the one end of the lever body outward in the longitudinal direction. And a knob whose extended end is disposed in the passenger compartment.

  And if the one end part of the said lever main body turns forward by the input of the operation force to the said knob, a seat back will be tiltable back and forth by the said reclining apparatus interlock | cooperated to this. Next, when the operation force to the knob is released in a state where the seat back is in a desired tilting position, one end of the lever body rotates backward, and the reclining device interlocked with the lever makes the above-described operation. The seat back is fixed at the desired tilting position.

Japanese Utility Model Publication No. 61-184448

  By the way, the knob of the operation lever is generally arranged in the vicinity of the upper part of the passenger compartment floor. For this reason, it is difficult for the passenger on the passenger compartment floor such as a seated person in the seat device to enter the field of view. There is a risk that an unnecessary external force may be input in a direction opposite to the input of the force.

  Here, the knob constitutes a free end of an operating lever that is cantilevered by the seat reclining device. Therefore, as described above, when an unnecessary external force is input to the knob in the direction opposite to the operation force, a large bending moment is applied to the operation lever. As a result, a large bending stress is generated on the base side of the lever main body of the operating lever, and there is a risk that the base side may be bent or broken.

  The present invention has been made paying attention to the above situation, and an object of the present invention is to input an operation to the knob that constitutes the free end of the operation lever that is cantilevered on the seat. Even when an unnecessary external force is input in a direction opposite to the force, the operation lever is prevented from being damaged.

The invention of claim 1 includes a seat 8 installed on the passenger compartment floor 4 and an operating lever 9 for operating the seat 8, and the operating lever 9 extends in one direction and has one end 28 thereof. However, the other end side 29 is supported by the seat 8 so that the backward movements D and E are possible, and the lever main body 27 extends from the one end 28 of the lever main body 27 outward in the longitudinal direction. The extended end 34a is provided with a knob 34 disposed in the passenger compartment 3, and the one end 28 of the lever body 27 is moved forward D by the input of an operating force to the knob 34. In a vehicle seat device,
The lever main body 27 is configured such that the extended end portion 34a of the knob 34 moves in the same direction as the forward and backward movements D and E of the one end portion 28 of the lever main body 27 and can be rotated backwards F and G. The middle part of the knob 34 in the longitudinal direction is pivotally supported by the lever body 27, and a pair of left and right locking pieces 37, 37 are integrally projected on the lower surface side of the base end part 34b of the knob 34. more said pivots forward F of the extended end portion 34a of the knob 34, the elastic in the longitudinal direction of the intermediate portion of the lever body 27 between the right and left locking pieces 37 and 37 at the proximal end 34b of the knob 34 scissors lighted by one base end portion 34b of the knob 34 is set to be locked (solid line in FIG. 1) to the lever body 27 by the backward rotation G of the extending end portion 34a of the knob 34, The lever body 27 is clamped by the left and right locking pieces 37, 37. The vehicle seat device characterized by locking is made to be releasable (dashed line in FIG. 1) by which.

  In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.

  The effects of the present invention are as follows.

The invention of claim 1 includes a seat installed on the passenger compartment floor and an operating lever for operating the seat, and the operating lever extends in one direction, and one end of the operating lever can be moved back and forth. The other end side of the lever body is supported by the seat, and the lever body is provided to extend outward from the one end portion of the lever body in the longitudinal direction, and the extended end portion is disposed in the passenger compartment. A vehicle seat device in which one end of the lever body moves forward by input of an operating force to the knob.
The middle part of the knob in the longitudinal direction of the lever body is such that the extending end of the knob moves forward and backward in substantially the same direction as the forward and backward movement of one end of the lever body. A pair of left and right locking pieces are integrally projected on the lower surface side of the base end portion of the knob , and are pivotally supported by the lever body, and the base end of the knob is formed by the forward rotation of the extended end portion of the knob. A middle part in the longitudinal direction of the lever main body is elastically sandwiched between the left and right locking pieces in the section so that the base end of the knob can be locked to the lever main body, while the extension of the knob By the backward rotation of the protruding end portion, the latching by the lever main body by the left and right locking pieces can be released.

  Here, an occupant on the passenger compartment floor such as a seated person on the seat device steps on the extended end of the knob from above the knob, so that the operation force input to the knob is opposite. Assume that an unnecessary external force is input in the direction. In this case, if the external force is equal to or greater than a predetermined value, according to the invention, the locking of the proximal end portion of the knob to the lever body is released, and the extended end portion of the knob is It rotates backward in the same direction as the external force.

  Therefore, the external force is prevented from being transmitted to the lever main body via the knob, and thus the lever main body is prevented from being damaged by the external force.

  Thereafter, when the external force is removed, the extended end of the knob is rotated forward with respect to the lever main body, and the base end of the knob is locked to the lever main body. Then, the operation lever is restored to the original state. Therefore, the restoration of the operation lever to the original state can be easily achieved with a simple configuration without requiring a separate supplemental part.

  Further, when operating force is input to the knob, the extended end portion of the knob tends to be rotated forward, and the locked state of the base end portion to the lever body is maintained. For this reason, when the operating force is input to the knob as described above, the original state of the operation lever is ensured, so that a desired operation is reliably achieved by this operation lever.

It is a partial side view of a sheet apparatus. It is a whole perspective view of a sheet apparatus. It is a partial top view of a sheet apparatus. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3. FIG. 5 is a cross-sectional view taken along line VV in FIG. 1.

  The vehicle seat device of the present invention relates to a knob that constitutes a free end of an operation lever that is cantilevered by a seat, even when an unnecessary external force is input in a direction opposite to the operation force input to the knob. In order to realize the object of preventing the operation lever from being damaged, a mode for carrying out the present invention is as follows.

  That is, the vehicle seat device includes a seat installed on the passenger compartment floor and an operation lever for operating the seat. The operating lever extends in one direction, and one end of the lever is supported by the seat on the other end so that the other end can be moved back and forth. And a knob having an extended end portion disposed in the passenger compartment. One end of the lever body is moved forward by the input of an operating force to the knob.

The middle part of the knob in the longitudinal direction of the lever body is such that the extending end of the knob moves forward and backward in substantially the same direction as the forward and backward movement of one end of the lever body. Ru is pivotally supported on the lever body. A pair of left and right locking pieces are integrally projected on the lower surface side of the base end portion of the knob. Due to the forward rotation of the extended end portion of the knob, a midway portion in the longitudinal direction of the lever body is elastically sandwiched between the left and right locking pieces at the base end portion of the knob, so that the base of the knob is While the end portion can be locked to the lever body, the locking of the lever body by the left and right locking pieces can be released by the backward rotation of the extended end portion of the knob. Yes.

  In order to explain the present invention in more detail, an embodiment thereof will be described with reference to the accompanying drawings.

  1 to 3, reference numeral 1 denotes a vehicle exemplified by an automobile, and an arrow Fr indicates the front in the traveling direction of the vehicle 1.

  A vehicle interior 3 is formed inside a vehicle body 2 of the vehicle 1, and the vehicle body 2 includes a vehicle interior floor 4 that forms a lower surface of the vehicle interior 3. A rear seat device 5 is provided at the rear of the vehicle compartment 3. The seat device 5 includes a bench-type seat 8 installed on the passenger compartment floor 4 and an operation lever 9 for operating the seat 8.

  The seat 8 includes a plurality of (three) seat rails 12 that are installed on the passenger compartment floor 4 so as to extend in the front-rear direction and to be parallel to each other. Each of the seat rails 12 includes a fixed rail 14 fixed on the vehicle compartment floor 4 by a fastener 13 and a movable rail 15 supported on the fixed rail 14 so as to be movable only in the front-rear direction.

  The seat 8 includes a seat body 17 that is supported so as to straddle the movable rails 15 of the seat rails 12 and can move back and forth A together with the movable rails 15. The seat body 17 includes a seat cushion 18 that is supported so as to straddle the movable rails 15, a seat back 19 that protrudes upward from the rear end side of the seat cushion 18, and a seat back with respect to the seat cushion 18. 19 includes a reclining device (not shown) that can be tilted back and forth and can be fixed at a desired tilting position.

  1-4, a known position adjusting device 21 for releasably fixing the seat body 17 to the vehicle compartment floor 4 side at a desired position in the front-rear direction is provided. The position adjusting device 21 is provided on the seat rail 12 at the center of the seat rails 12 in the width direction of the vehicle body 2. The position adjusting device 21 includes a plurality of locking holes 22 formed in the fixed rail 14 of the seat rail 12 at equal intervals along the longitudinal direction thereof, and a pivot shaft 23 on the movable rail 15 of the seat rail 12. And a locking arm 24 pivotally supported so as to be capable of forward and backward rotation B and C (FIG. 4).

  If the locking arm 24 is rotated forward B at an arbitrary position in the front-rear direction of the seat body 17, the locking arm 24 is fitted into one of the locking holes 22. Thus, it can be locked to the fixed rail 14 (solid line in FIG. 4). By this locking, the seat body 17 is fixed to the vehicle compartment floor 4 side via the movable rail 15, the locking arm 24, the locking hole 22, and the fixed rail 14 at the arbitrary position. The locking arm 24 is urged by a spring (not shown) so as to rotate B in the direction of insertion into the locking hole 22.

  On the other hand, if the locking arm 24 is rotated backward C against the urging force of the spring by operating the operating lever 9, the locking arm 24 is detached from the locking hole 22, The locking arm 24 is unlocked from the fixed rail 14 (the chain line in FIG. 4). As a result, the seat body 17 can be moved back and forth A again.

  1 to 5, the operation lever 9 will be described in detail.

  The operation lever 9 is provided with a lever main body 27 made of a metal solid bar having a circular cross section extending long in the front-rear direction which is one direction. In particular, as shown in FIG. 1, the one end 28 which is the front end of the lever body 27 moves up and down, and the other end 29 which is the rear end so that the backward movement (rotation) D, E is possible. A portion 29a which is supported (pivotally supported) by the pivotal support 30 on the movable rail 15 of the seat rail 12 and is linked to the one end portion 28 of the lever body 27 is the rear end portion of the other end side 29. The arm 24 is engaged. Further, when the one end portion 28 of the lever main body 27 moves backward E to some extent, a stopper 31 that contacts the lever main body 27 is provided on the movable rail 15 of the seat rail 12 so as to prevent the backward movement E from being further advanced. Is formed.

  The operation lever 9 includes a resin knob 34 provided so as to extend outward (forward) in the longitudinal direction from the one end portion 28 of the lever main body 27. At least an extended end portion (front end portion) of the knob 34 is disposed in the vehicle compartment 3, and the knob 34 is in the vicinity of the upper portion of the vehicle compartment floor 4 in a state where the lever main body 27 is in contact with the stopper 31. Is arranged.

  An operation force is input upward to the knob 34 by a fingertip 35 of a seated person or the like on the seat device 5, thereby moving the one end portion 28 of the lever main body 27 together with the knob 34 D (see FIG. 1) The portion 29a on the other end side 29 of the lever main body 27 interlocking with this engages with the locking arm 24, and the locking arm 24 is rotated backward C against the urging force of the spring. (The chain line in FIG. 4). Then, the locking arm 24 is detached from the locking hole 22, the locking arm 24 is released from the locking rail 14, and the seat body 17 can be moved back and forth A.

  When the seat main body 17 is moved back and forth A and the seat main body 17 is positioned at a desired position in the front-rear direction, the input of the operating force to the knob 34 is released. Then, the locking arm 24 is rotated forward B by the elastic force of the spring (solid line in FIG. 4), and the one end portion 28 of the lever main body 27 is interlocked with the forward rotation B of the locking arm 24. The backward movement E is performed (FIG. 1). Then, as described above, when the locking arm 24 rotates B, the locking arm 24 is fitted into one of the locking holes 22 and is fixed to the fixed rail 14. Locked (solid line in FIG. 4). Thereby, the sheet body 17 is fixed at the desired position.

  1 to 3 and 5, the extended end 34a of the knob 34 moves in the same direction as the forward and backward movements D and E of the one end 28 of the lever body 27, and can be rotated backwards and forwards F and G. The intermediate part of the knob 34 in the longitudinal direction of the lever body 27 is pivotally supported by one end 28 of the lever body 27. Then, by the forward and backward rotations F and G of the extended end portion 34 a of the knob 34 with respect to the lever main body 27, the base end portion 34 b of the knob 34 is locked to the middle portion in the longitudinal direction of the lever main body 27 ( 1 to 3, 5) and unlocking (dotted line in FIGS. 1, 5) are possible.

  Specifically, the distal end portion 28 a of the one end portion 28 of the lever body 27 is bent so as to extend in the width direction of the vehicle body 2, and the distal end portion 28 a moves forward of the extended end portion 34 a of the knob 34. It is set as the rotation center axis of the backward rotations F and G. In addition, a pair of left and right locking pieces 37, 37 are integrally projected on the lower surface side of the base end portion 34 b of the knob 34.

  As described above, when the extended end portion 34a of the knob 34 is rotated forward F with respect to the lever main body 27, the lever is interposed between the left and right locking pieces 37, 37 at the base end portion 34b of the knob 34. A midway portion in the longitudinal direction of the main body 27 is elastically sandwiched (solid line in FIG. 5). As a result, the base end portion 34 b of the knob 34 is locked to the midway portion of the lever main body 27 in the longitudinal direction.

  On the other hand, when the extended end portion 34a of the knob 34 rotates backward G with respect to the lever body 27, the latching by the clamping of the lever body 27 by the left and right locking pieces 37, 37 is released. (The chain line in FIG. 5).

  In the above configuration, an occupant such as a seated person on the seat device 5 on the passenger compartment floor 4 steps on the extended end portion 34a of the knob 34 from above the knob 34, and the like. It is assumed that an unnecessary external force P is input in the direction opposite to the operation force input. In this case, if the external force P exceeds a predetermined value, the lock of the base end portion 34b of the knob 34 with respect to the lever main body 27 is released, and the extended end portion 34a of the knob 34 moves against the lever main body 27. Then, it rotates backward G in the same direction as the external force P.

  Therefore, the external force P is prevented from being transmitted to the lever main body 27 via the knob 34, and thus the lever main body 27 is prevented from being damaged by the external force P.

  Thereafter, when the external force P is removed, the extended end 34 a of the knob 34 is rotated forward F with respect to the lever main body 27, and the base end 34 b of the knob 34 is locked to the lever main body 27. In this way, the operation lever 9 is restored to the original state. Therefore, the restoration of the operation lever 9 to the original state can be easily achieved with a simple configuration without requiring a separate supplemental part.

  Further, when an operating force is input to the knob 34, the extended end 34a of the knob 34 is about to be rotated forward F, and the locking state of the base end 34b to the lever body 27 is maintained. . For this reason, when the operating force is input to the knob 34 as described above, the operation lever 9 is secured in its original state, so that the desired operation can be reliably achieved by the operation lever 9.

  Although the above description is based on the illustrated example, the seat device 5 may be the front seat device 5 provided in the front portion of the passenger compartment 3. Further, the seat 8 may be applied to a reclining device as described in the prior art. Further, the forward and backward movements D and E of the one end portion 28 of the lever main body 27 may be linear movements, and the direction thereof is not limited to the vertical direction, and may be the horizontal direction. The lever body 27 may be made of a pipe, and the knob 34 may be made of a metal.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car body 3 Car compartment 4 Car compartment floor 5 Seat apparatus 8 Seat 9 Operation lever 12 Seat rail 17 Seat main body 21 Position adjusting device 27 Lever main body 28 One end part 28a Tip part 29 Other end part side 34 Knob 34a Extension end part 34b proximal end 35 fingertip
37 Locking piece A Forward / backward movement B Forward rotation C Reverse rotation D Forward movement E Reverse movement F Forward rotation G Reverse rotation P External force

Claims (1)

A seat installed on the passenger compartment floor, and an operating lever for operating the seat, and the operating lever extends in one direction, and one end thereof moves forward and backward so that the other end can be moved backward. A lever body supported by the seat, and a knob provided to extend outward in the longitudinal direction from the one end portion of the lever body, the extending end portion being disposed in the passenger compartment. In the vehicle seat device in which one end of the lever body moves forward by inputting an operation force to the knob,
The middle part of the knob in the longitudinal direction of the lever body is such that the extending end of the knob moves forward and backward in substantially the same direction as the forward and backward movement of one end of the lever body. A pair of left and right locking pieces are integrally projected on the lower surface side of the base end portion of the knob , and are pivotally supported by the lever body, and the base end of the knob is formed by the forward rotation of the extended end portion of the knob. A middle part in the longitudinal direction of the lever main body is elastically sandwiched between the left and right locking pieces in the section so that the base end of the knob can be locked to the lever main body, while the extension of the knob The vehicle seat device according to claim 1, wherein the locking of the lever main body by the left and right locking pieces can be released by the backward rotation of the protruding end portion .

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