JP2007106292A - Seat device having structure to store headrest automatically - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat device having a structure to store a headrest automatically capable of executing storage of the headrest and automatic fold-up of the seat through remote operation. <P>SOLUTION: The seat device structured for storing the headrest automatically is equipped with a seat cushion 11 installed in a vehicle and forming the seating part of a seat 10, a seat back 15 constituting the back supporting part of the seat 10 and arranged displaceable from the backward tilting condition to the forward tilting condition overlapping on the oversurface of the seat cushion 11, the headrest 17 forming a pillow part of the seat 10 and provided with its position adjustable in the vertical direction, a forward tilt operation means installed in a position apart from the seat face in order to make remote operation of the displacement of the seat back 15 into the forward tilting condition, a seat back forward tilting means to displace the seat back 15 into the forward tilting condition interlocking with the operation of the forward tilt operation means, and a headrest sinking means to displace the headrest 17 into the lowest position interlocking with the forward tilt of the seat back 15. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a seat device with an automatic storage structure for a headrest that folds a seat by remote control.

  In recent years, in order to improve the convenience of automobiles, automobiles that can fold a rear seat by remote operation are already known in order to make it easier to change the seat arrangement. An example of such a vehicle seat device is disclosed in Patent Document 1 below.

Japanese Patent Laid-Open No. 2002-79860

  In the above-mentioned Patent Document 1, a remote operation unit connected to each of a slide mechanism and a reclining mechanism via an operation cable is arranged in the luggage compartment, and the lock state of the slide mechanism and the reclining mechanism is simultaneously set by the operation of the remote operation unit. Alternatively, the forward movement by the forward urging force of the seat and the forward movement by the forward urging force of the seat back can be performed simultaneously, sequentially, or selectively after being released sequentially or selectively. Thus, the occupant can perform the forward movement operation of the seat and the forward movement operation of the seat back by operating the remote control unit provided in the luggage compartment from the rear end side of the vehicle body.

  However, in the vehicle seat device disclosed in Patent Document 1, when the headrest of the seat to be folded and stored is in the upper position, the peripheral parts and the headrest interfere with each other when the seat is folded. Therefore, it is necessary to operate the remote control unit after lowering the position of the headrest, removing it, or folding it.

  Accordingly, an object of the present invention is to provide a seat device with an automatic storage structure for a headrest that can automatically store a headrest and fold a seat by remote control.

  A seat device with an automatic headrest storage structure according to a first aspect of the present invention (corresponding to claim 1) that solves the above-described problem is a seat cushion that is mounted on a vehicle and forms a seat surface portion of the seat, and a backrest portion of the seat. And a seat back provided so as to be displaceable from a rearwardly inclined state to a forwardly inclined state overlapping the upper surface of the seat cushion, a headrest that forms a pillow portion of the seat and is capable of adjusting a vertical position, and the seatback The front-back operation means provided at a position away from the seating surface to remotely control the displacement of the front-back movement state, and the seat back is displaced to the forward-turning state in conjunction with the operation of the front-end operation means. And a headrest lowering means for displacing the headrest to the lowest position in conjunction with the forward movement of the seatback.

  The seat device with an automatic storage structure for a headrest according to a second invention (corresponding to claim 2) that solves the above problem is the seat device with an automatic storage structure for a headrest according to the first invention, wherein the headrest lowering means is A headrest urging means for urging the headrest to the lowest position, a headrest holding means for holding the headrest in the vertical adjustment position against the urging force of the headrest urging means, and a forward movement of the seat back And a headrest position releasing means for releasing the holding by the headrest holding means in conjunction with each other.

  A seat device with an automatic storage structure for a headrest according to a third invention (corresponding to claim 3) that solves the above problem is the seat device with an automatic storage structure for a headrest according to the second invention, wherein the headrest position releasing means is provided. Is configured to release the holding when the seat back reaches a predetermined angle in the process of displacing from the backward tilted state to the forwardly tilted state.

  A seat device with an automatic storage structure for a headrest according to a fourth invention (corresponding to claim 4) that solves the above problem is the seat device with an automatic storage structure for a headrest according to the first invention. The means includes a seat back urging means for urging the seat back to the forwardly-turned state, and a seat back holding means for holding the seat back at a rearward inclined position against the urging force of the seat back urging means. And seat back position releasing means for releasing the holding by the seat back holding means in conjunction with the operation of the forward operation means.

  A seat device with an automatic storage structure for a headrest according to a fifth invention (corresponding to claim 5) that solves the above problem is the seat device with an automatic storage structure for a headrest according to the fourth invention, wherein the seat back releasing means is provided. Is constituted by an electric motor, and the headrest lowering means is constituted only by a mechanical mechanism.

  A seat device with an automatic storage structure for a headrest according to a sixth invention (corresponding to claim 6) that solves the above problem is the seat device with an automatic storage structure for a headrest according to the first invention, wherein the seat cushion is a rear portion. The seat cushion is further configured to be flipped upward from the side, and further comprises a seat cushion jumping means for displacing the seat cushion to a flip-up position in conjunction with the displacement of the seat back to the forward-turned state. .

  A seat device with an automatic storage structure for a headrest according to a seventh invention (corresponding to claim 7) that solves the above problem is the seat device with an automatic storage structure for a headrest according to the sixth invention, wherein the seat cushion is flipped up. The means includes a seat cushion urging means for urging the seat cushion to a flip-up position, a cushion holding means for holding the seat cushion at a seating position against the urging force of the seat cushion urging means, and the seat Cushion position release means for releasing the holding by the cushion holding means in conjunction with the displacement of the back to the forward-turned state.

  According to the seat device with a headrest automatic storage structure according to the first aspect of the invention, the seat cushion that is mounted on the vehicle and forms the seat surface portion of the seat, and the seat backrest portion, and overlaps the upper surface of the seat cushion from the rearward tilted state. A seat back that can be displaced in a forward tilted state, a headrest that forms a pillow part of the seat and that can be adjusted in the vertical position, and a seat back to remotely control the displacement of the seat back to the forward-turned state The forward operation means provided at a distant position, the seat back forward means for displacing the seat back to the forward state in conjunction with the operation of the forward operation means, and the headrest in conjunction with the forward movement of the seat back It is necessary to store the headrest manually when folding the seat by remote control because it has a headrest lowering means that moves to the lowest position. No longer, it is possible to improve the convenience in the folding of the sheet.

  According to the seat device with an automatic storage structure for a headrest according to the second invention, the headrest lowering means includes a headrest urging means for urging the headrest to the lowest position, and the headrest against the urging force of the headrest urging means. The headrest holding means for holding the headrest in the vertical adjustment position and the headrest position releasing means for releasing the holding by the headrest holding means in conjunction with the forward movement of the seat back eliminates the need to manually store the headrest. Convenience in folding can be improved.

  According to the seat device with a headrest automatic storage structure according to the third aspect of the invention, the headrest position releasing means releases the holding when the seatback reaches a predetermined angle in the process of displacing from the backward tilted state to the forwardly tilted state. By being configured as described above, the storage of the headrest and the forward movement of the seat back can be performed efficiently.

  According to the seat device with a headrest automatic storage structure according to the fourth aspect of the invention, the seat back forward-turning means includes a seat-back urging means for urging the seat back to the forward-turned state, and an urging force of the seat back urging means. The seat back holding means for holding the seat back in the backward tilted position against the operation and the seat back position releasing means for releasing the holding by the seat back holding means in conjunction with the operation of the forward operation means. Thus, there is no need to tilt the seat back forward, and the convenience in folding the seat can be improved.

  According to the seat device with an automatic storage structure for a headrest according to the fifth invention, the seat back releasing means is constituted by an electric motor, and the headrest lowering means is constituted only by a mechanical mechanism, thereby suppressing an increase in cost. can do.

  According to the seat device with a headrest automatic storage structure according to the sixth aspect of the invention, the seat cushion is configured to be able to be flipped upward from the rear side, and the seat cushion is moved in conjunction with the displacement of the seat back to the forward-turned state. By further providing a seat cushion jumping means for displacing to the flip-up position, the seat back can be moved forward and the seat cushion can be flipped up efficiently.

  According to the seat device with a headrest automatic storage structure according to the seventh aspect of the invention, the seat cushion flip-up means includes a seat cushion biasing means for biasing the seat cushion to the flip-up position, and a biasing force of the seat cushion biasing means. The cushion holding means for holding the seat cushion in the seating position against the seat and the cushion position releasing means for releasing the holding by the cushion holding means in conjunction with the forward displacement of the seat back. There is no need to flip up the seat cushion, and the convenience in folding the seat can be improved.

  An embodiment of a seat device with an automatic storage structure for a headrest according to the present invention will be described with reference to FIGS. 1 to 6. FIG. 1 is a perspective side view of a vehicle seat according to an embodiment of the present invention in use, and FIG. 2 is a side view of a vehicle seat according to an embodiment of the present invention in a state in which the seat back is tilted. 3 is a side view of a state in which a vehicle seat according to an embodiment of the present invention is flipped up, and FIG. 4 is a transparent front view of a state in which the headrest of the vehicle seat according to an embodiment of the present invention is in the uppermost position. FIG. 5 is a perspective front view of a vehicle seat headrest according to an embodiment of the present invention in a state where the headrest is in the lowest position, and FIG. 6 is a perspective view of a seat device with an automatic storage structure of a headrest according to an embodiment of the present invention. It is. In the drawing, Fr represents the front of the vehicle, In represents the vehicle interior side, Up represents the upper side of the vehicle, and the left-right direction is based on the left-right direction when facing the front of the vehicle.

  As shown in FIG. 1, the seat 10 according to the present embodiment is provided with a seat cushion 11 serving as a seating surface at a lower portion. A seat frame 12 is provided below the seat cushion 11. At the front end portion of the seat frame 12, a seat flip-up unit 14 in which a seat cushion spring 13 for springing up the seat is installed is installed. The seat cushion flip-up unit 14 is coupled to the floor surface of the vehicle.

  A seat back 15, which is a backrest, is provided above the rear portion of the seat cushion 11, and the seat cushion 11 and the seat back 15 are coupled by a connecting member 16. A headrest 17 is provided on the upper portion of the seat back 15 for use as a pillow when the occupant is seated or for reducing the burden on the occupant during a collision. The headrest 17 can be adjusted in the vertical position.

  As shown in FIG. 4, the headrest 17 is attached to a headrest holding member 19 for holding the headrest 17 in the uppermost position by a stay 18 provided so as to extend downward from the inside of the headrest 17. The headrest holding member 19 is guided by a guide member 20 for moving the headrest holding member 19 up and down within a predetermined range, and can move up and down.

  Two slits 21 are provided in the guide member 20 in the vertical direction, two screws 22 are passed through each of the slits 21, and these screws 22 are screwed to the headrest holding member 19, whereby the inside of the slit 21 is screwed. The headrest holding member 19 is mounted on the guide member 20 so as to be movable up and down within a range in which 22 moves up and down.

  A headrest lowering spring 23 for lowering the headrest 17 is provided between the headrest holding member 19 and the vicinity 21 below the slit 21 of the guide member 20. The upper end portion of the headrest lowering spring 23 is coupled to the vicinity 19 a between the upper and lower screws 22 of the headrest holding member 19, and the lower end portion is coupled to the vicinity 21 a of the lower portion of the slit 21 in the guide member 20.

  As shown in FIG. 4, a headrest latch 24 for holding the headrest holding member 19 at the uppermost position is provided at the upper center of the guide member 20. The headrest latch 24 is configured to lock the headrest striker 25 provided at the center upper end portion of the headrest holding member 19 in a state where the headrest holding member 19 is at the uppermost position. In this embodiment, the headrest latch 24 is a headrest holding means described in the means for solving the problem.

  In order to release the headrest latch 24, a headrest latch manual release lever 26 is provided on the upper right side of the seat back 15. The headrest latch manual release lever 26 is connected to the headrest latch 24 by a link member 27, whereby the headrest striker 25 can be released from the headrest latch 24.

  When the headrest latch 24 is released when the headrest holding member 19 is at the uppermost position, the headrest 17 is pulled downward together with the headrest holding member 19 by the headrest lowering spring 23 and lowered to the storage position. Thus, the headrest latch manual release lever 26 can manually lower the headrest 17 to the storage position as shown in FIG. In the present embodiment, the headrest lowering spring 23 is a headrest urging means described in the means for solving the problem.

  The link member 27 is provided with a headrest latch release wire 28 downward. As shown in FIG. 1, a reclining latch 29 is provided inside the connecting member 16 to hold the position of the seat back 15 when the seat back 15 is tilted or completely tilted forward or backward. The seat back 15 is held by a seat back forward spring 30 provided on the side of the reclining latch 29 inside the connecting member 16 so as not to be tilted forward. In this embodiment, the reclining latch 29 and the seat back forward spring 30 are the seat back holding means and the seat back urging means described in the means for solving the problems.

  The headrest latch release wire 28 is connected to the reclining latch 29. The reclining latch 29 is connected to a reclining lever 31 provided on the left side surface of the connecting member 16 by a reclining wire 32. In this embodiment, the headrest latch release wire 28 is the headrest position release means described in the means for solving the problem.

  The reclining latch 29 is also connected by a seat cushion latch release wire 34 to a seat cushion latch 33 for holding the seat 10 at a position when the occupant is seated and used. In this embodiment, the seat cushion latch 33 and the seat cushion latch release wire 34 are the seat cushion holding means and the seat cushion position releasing means described in the means for solving the problem, respectively.

  The seat cushion latch 33 is adapted to be caught by a seat cushion striker 35 installed on the floor of the vehicle below the connecting member 16, and the seat 10 is lifted by the seat cushion jumping spring 13 provided in the jumping unit 14. It is held so that it cannot be flipped up. In the present embodiment, the seat cushion spring-up spring 13 is a seat cushion urging means described in the means for solving the problem.

  Further, the reclining latch 29 is also connected by a motor winding wire 41 to a winding disk 40 that is connected to the electric motor 38 via a reduction gear 39. As shown in FIG. 6, the electric motor 38 can be operated by a remote operation switch 42 shown in an enlarged view A provided on both side surfaces of the rear part of the cargo compartment of the vehicle. In the present embodiment, the remote operation switch 42 and the electric motor winding wire 41 are the forward operation means and the seat back position release means described in the means for solving the problems, respectively.

  Hereinafter, a series of operations for folding a sheet by remote control of the seat device with an automatic storage structure for a headrest according to the present embodiment will be described. As shown in FIG. 1, the seat 10 in use is in a state where the headrest 17 is at the uppermost position as indicated by a broken line B, the seat back 15 is in a standing state, and the seat cushion 11 is on the upper surface. Is almost horizontal.

  When the remote control switch 42 (see FIG. 6) is pressed in this state, the electric motor 38 is activated, and the winding disk 40 is rotated via the reduction gear 39 to wind the electric motor winding wire 41. As shown in FIG. 1, the reclining latch 29 is rotated as shown by the arrow C by the wound-up electric motor winding wire 41, whereby the headrest latch releasing wire 28, the seat cushion latch releasing wire 34, and the slide rail latch. Release wire 37 is pulled.

  When the reclining latch 29 rotates and the headrest latch releasing wire 28 is pulled, the seat back 15 starts to be tilted forward, and then when the reclining latch 29 further rotates, the headrest latch 24 (see FIG. 4) is released and the seat is released. While the back 15 further falls forward, the headrest 17 is lowered to the lowest position, and as shown in FIG. 2, the headrest 17 is housed and the seat back 15 is completely tilted forward.

  The seat cushion latch release wire 34 (see FIG. 1) is pulled to release the seat cushion latch 33 and the seat cushion is flipped up almost simultaneously with or slightly earlier than when the seat back 15 completely falls forward. The seat cushion 11 is lifted forward by the seat cushion spring 13 provided inside the unit 14, and the slide rail latch release wire 37 (see FIG. 1) is also pulled, thereby the seat cushion latch 36 (see FIG. 1). Is released, and the seat 10 is moved to the forefront portion of the slide rail 12, and as shown in FIG.

  As described above, the series of operations when the seat 10 is automatically folded by pressing the remote operation switch 42 has been described. However, the reclining latch 29 is rotated by pulling up the reclining lever 31 and pulling the reclining wire 32. Even in such a case, the sheet can be folded by the same operation as when the remote control switch 42 is pressed. Further, the order of folding the sheets 10 may not be the order described above as long as the folding can be normally completed.

  In the present embodiment, as shown in FIG. 6, the right sheet 10 has been described, but the apparatus configuration described in the present embodiment can be applied to the left sheet 80 as well. In addition, the apparatus configuration described in this embodiment can be applied to a vehicle having another seat behind.

  According to the seat device with an automatic storage structure for a headrest according to the present embodiment, as shown in FIG. 1, a seat cushion 11 that is mounted on a vehicle and forms a seat surface portion of the seat 10, a backrest portion of the seat 10, and a rear A seat back 15 provided to be displaceable from an inclined state to a forward inclined state overlapping the upper surface of the seat cushion 11; a headrest 17 provided as a pillow portion of the seat 10 and capable of adjusting the vertical position; The remote control switch 42 (see FIG. 7) provided at a position away from the seat surface to remotely control the displacement to the forward position, and the seat back 15 is set in the forward position in conjunction with the operation of the remote operation switch 42. Seat back forward means for displacing and headrest lowering means for displacing the headrest 17 to the lowest position in conjunction with the forward movement of the seat back 15 And by, when folding the seat 10 by remote control, it is not necessary to house the headrest 17 purposely manually, it is possible to improve the convenience in the folding of the sheet 10.

  The headrest lowering means includes a headrest lowering spring 23 that biases the headrest 17 to the lowest position, a headrest latch 24 that holds the headrest 17 in the vertical adjustment position against the biasing force of the headrest lowering spring 23, and a seat back. By having the headrest latch release wire 28 that releases the holding by the headrest latch 24 in conjunction with the 15 forwards, it becomes unnecessary to manually store the headrest 17 and the convenience in folding the seat 10 can be improved. it can.

  The headrest latch release wire 28 is configured to release the holding when the seat back 15 reaches a predetermined angle in the process of shifting from the backward tilted state to the forwardly tilted state. The seat back 15 can be moved forward efficiently.

  Further, the seat back forward moving means includes a seat back forward spring 30 for urging the seat back 15 in the forwardly moved state, and a reclining for holding the seat back 15 in a backward inclined position against the urging force of the seat back forward spring 30. By having the latch 29 and the electric motor winding wire 41 that releases the holding by the reclining latch 29 in conjunction with the operation of the remote operation switch 42, it is not necessary to manually tilt the seat back 15 forward, and the seat 10 is folded. Convenience can be improved.

  Further, the seat cushion 11 is configured to be able to be flipped upward from the rear side, and further includes a seat cushion jumping means for displacing the seat cushion 11 to a position where the seat cushion 11 is flipped up in conjunction with the displacement of the seat back 15 to the retractable state. By providing, the seat back can be moved forward and the seat cushion can be flipped up efficiently.

  The seat cushion springing means includes a seat cushion spring 13 for biasing the seat cushion to the spring position, and a seat for holding the seat cushion 11 at the seating position against the biasing force of the seat cushion spring 13. By having the cushion latch 33 and the seat cushion latch release wire 34 that releases the holding by the seat cushion latch 33 in conjunction with the forward displacement of the seat back 15, it is necessary to manually raise the seat cushion 11 Therefore, the convenience in folding the sheet 10 can be improved.

  The seat device with an automatic storage structure for a headrest according to the present invention is particularly effective when folding a vehicle seat by remote control.

The perspective side view of the state at the time of use of the vehicle seat which concerns on one Embodiment of this invention The side view of the state which fell the seat back of the vehicle seat which concerns on one Embodiment of this invention The side view of the state which flipped up the vehicle seat which concerns on one Embodiment of this invention The perspective front view of the state which has the headrest of the vehicle seat which concerns on one Embodiment of this invention in the highest position The perspective front view of the state which has the headrest of the vehicle seat which concerns on one Embodiment of this invention in the lowest position The perspective view of the seat apparatus with the automatic storage structure of the headrest which concerns on one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Seat 11 Seat cushion 13 Seat cushion spring 15 Seat back 17 Headrest 23 Headrest descent spring 24 Headrest latch 28 Headrest latch release wire 29 Reclining latch 30 Seat back forward spring 33 Seat cushion latch 34 Seat cushion latch release wire 42 Remote operation switch

Claims (7)

A seat cushion mounted on a vehicle and forming a seat surface portion of the seat;
A seat back provided so as to be displaceable from a rearward tilted state to a forward tilted state overlapping the upper surface of the seat cushion, while forming a backrest part of the seat;
A headrest that forms a pillow portion of the seat and that can be adjusted in the vertical position;
A forward operation means provided at a position away from the seat surface to remotely control the displacement of the seat back to the forward state;
Seat back forward means for displacing the seat back to the forward state in conjunction with the operation of the forward operation means;
Headrest lowering means for displacing the headrest to the lowest position in conjunction with the forward movement of the seat back is provided. A seat device with an automatic headrest storage structure. In the seat apparatus with an automatic storage structure for a headrest according to claim 1,
The headrest lowering means includes a headrest urging means that urges the headrest to a lowest position, a headrest holding means that holds the headrest in a vertical adjustment position against the urging force of the headrest urging means, and the seat And a headrest position release means for releasing the holding by the headrest holding means in conjunction with the forward movement of the back. In the seat apparatus with an automatic storage structure for a headrest according to claim 2,
The headrest position releasing means is configured to release the holding when the seat back reaches a predetermined angle in a process of displacing the seat back from the backward tilted state to the forwardly tilted state. Structured seat device. In the seat apparatus with an automatic storage structure for a headrest according to claim 1,
The seat back forward tilting means holds the seat back in a backward tilted position against the biasing force of the seat back biasing means and the seat back biasing means for biasing the seat back to the forward tilted state. A seat apparatus with an automatic storage structure for a headrest, comprising: a seat back holding means; and a seat back position releasing means for releasing the holding by the seat back holding means in conjunction with the operation of the forward operation means. In the seat apparatus with an automatic storage structure of a headrest according to claim 4,
The seat back releasing means is constituted by an electric motor, and the headrest lowering means is constituted only by a mechanical mechanism. In the seat apparatus with an automatic storage structure for a headrest according to claim 1,
The seat cushion is configured to be able to be flipped upward from the rear side, and further includes a seat cushion jumping means for displacing the seat cushion to a flip-up position in conjunction with the displacement of the seat back to the forward-turned state. A seat device with an automatic storage structure for a headrest. In the seat apparatus with an automatic storage structure of a headrest according to claim 6,
The seat cushion flip-up means includes a seat cushion biasing means for biasing the seat cushion to a flip-up position, and a cushion holding for holding the seat cushion at a seating position against the biasing force of the seat cushion biasing means. And a cushion position releasing means for releasing the holding by the cushion holding means in conjunction with the displacement of the seat back to the forward-turned state.

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