JP2007083788A - Vehicular seat device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular seat device allowing a sub seat to have sufficient size and its seat cushion to be stored in a compact manner with a simple configuration when the sub seat is not in use. <P>SOLUTION: In the vehicular seat device, a pair of right and left main seats 6, 7 having seat cushions 61, 71 and seatbacks 62, 72 are arranged in the vehicle width direction, a sub seat 8 is arranged between the right and left main seats 6, 7, and a rear seat 5 is arranged behind the right and left main seats 6, 7. The sub seat 8 is displaceably supported at the service position continuous to the seat cushions 61, 71, or at the rear accommodation position provided below the rear seat 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an improvement in a vehicle seat device in which a pair of left and right main seats including a seat cushion and a seat back are arranged in the vehicle width direction, and a sub seat is disposed between the left and right main seats. .

  Conventionally, as shown in Patent Document 1 below, a swing mechanism is provided that pivotally supports a seat cushion of a sub-seat (auxiliary seat) provided on the side of the main seat so as to be swingable in the vehicle width direction. The seat of the vehicle provided so that the seat cushion of the sub seat can be selected between the use state installed on the side of the seat cushion of the main seat and the storage state stored in the storage recess provided in the seat cushion installation portion. The device is known.

Further, as shown in Patent Document 2 below, a sub-seat storage chamber is provided below the seat cushion of the main seat, and one end of the seat cushion of the main seat is pivotally attached to the seat support member. By swingably supporting the seat cushion between a position where the upper portion of the storage chamber is opened and a position where the upper portion of the storage chamber is closed, and the side portion of the seat cushion of the sub seat is pivotally attached to the seat support member. A vehicle seat apparatus is known that is configured to be swingable between a use position where a sub-seat is developed to the side of a main seat and a storage position stored in a storage chamber.
Japanese Patent Laid-Open No. 2004-249784 Japanese Patent Laid-Open No. 9-2113

  As disclosed in Patent Documents 1 and 2, when the sub-seat is not used, the seat cushion of the main seat can be moved in the retracted state by rotating the seat cushion in the vehicle width direction. The upper portion of the storage chamber is opened by swinging and displacing to the front side of the vehicle body with a support portion (hinge) provided at the front end as a fulcrum, and then the seat cushion of the sub seat is It is necessary to rotate in the direction and store in the storage chamber, and it is inevitable that this storage operation becomes complicated. The storage chamber formed below the seat cushion of the main seat must be smaller than the seat cushion of the main seat for structural reasons, and the sub-seat stored in the storage chamber is Since it is necessary to make it smaller than the storage chamber, there is a problem that it is difficult to sufficiently secure the size of the sub-sheet.

  The present invention has been made in view of the above-described problems, and can sufficiently secure the size of the sub-seat and can store the seat cushion in a compact configuration when the sub-seat is not used. An object of the present invention is to provide a vehicle seat structure that can be used.

  According to the first aspect of the present invention, a pair of left and right main seats each having a seat cushion and a seat back are arranged in the vehicle width direction, a sub seat is disposed between the left and right main seats, and the left and right main seats A vehicular seat device in which a rear row seat is disposed at the rear, and the sub seat is displaceably supported between a use position continuous with the main seat and a rear storage position provided below the rear row seat. It is a thing.

  According to a second aspect of the present invention, in the vehicle seat device according to the first aspect, the left and right main seats are supported so as to be retractable to a position close to the rear row seat in a state where the sub seat is displaced to the rear storage position. Is.

  According to a third aspect of the present invention, in the vehicle seat device according to the first or second aspect, at least one of the left and right main seats is slid in the vehicle width direction in a state in which the sub seat is displaced to the rear storage position. Thus, a continuous seating surface is formed by the seat cushions of the left and right main seats.

  According to a fourth aspect of the present invention, in the vehicle seat device according to the second or third aspect, the main seat is slidably supported in the longitudinal direction of the vehicle body and in the vehicle width direction. The main seat located on the side of the vehicle is slid to the inward side of the vehicle body, and the main seat is slid to the rear side of the vehicle body while avoiding interference with the rear wheel house formed on the left and right sides of the rear end of the passenger compartment. It is comprised so that it may make it.

  According to a fifth aspect of the invention, in the vehicle seat device according to any one of the second to fourth aspects, the front and rear width of the rear row seat can be shortened, and the front and rear width of the rear row seat is shortened. In this state, the left and right main seats can be retracted to a position close to the rear row seat.

  According to the first aspect of the present invention, the sub-seat is displaceably supported at the use position continuous with the main seat and the rear storage position provided below the rear row seat. The seat cushion of the sub-seat can be moved to the use position and the storage position without requiring an operation such as swinging the support part provided at the front end of the seat cushion to the fulcrum to open the upper surface of the storage part. And can be selectively displaced.

  According to the second aspect of the present invention, since the left and right main seats are retracted to a position close to the rear row seat when the sub seat is not used, the front side of the left and right main seats displaced to the retracted position There is an advantage that a large space can be formed to effectively use the vehicle interior.

  According to the invention of claim 3, when the sub-seat is not used, both the left and right main seats are slid in the vehicle width direction to form a continuous seating surface by the seat cushions of the left and right main seats. Since it comprised, the bench-shaped seat for two persons can be formed with the said right-and-left main seat, and there exists an advantage that the wide passage space for the passenger | crew seated in a back row seat can be formed in the side of the said right-and-left main seat. .

  According to the invention of claim 4, during normal times, the left and right main seats can be positioned on the side portions of the passenger compartment to secure a space for installing the sub seat between the two main seats. When the sub-seat is not used, there is an advantage that a wide space can be formed on the front side of the left and right main seats by retreating them to the rear position without interfering with the rear wheel house.

  In the invention according to claim 5, by retracting the left and right main seats to a position close to the rear row seat in a state where the front and rear widths of the rear row seats are shortened, such as by raising the seat cushion of the rear row seat, There is an advantage that a wider space can be formed in front of the left and right main seats.

  FIG. 1 shows a schematic configuration of a vehicle 1 provided with a vehicle seat device according to the present invention, and a front row seat 2 composed of a driver seat 2a and a passenger seat 2b is disposed in the vehicle interior of the vehicle 1. In addition, a middle row seat 3 is disposed on the rear side, and a bench seat type rear row seat 5 is disposed between the pair of left and right rear wheel houses 4, 4 on the rear side.

  2 and 3, the middle row seat 3 is arranged between a pair of left and right main seats 6, 7 and left and right main seats 6, 7 arranged apart from each other in the vehicle width direction. And a sub-sheet 8. The sub-seat 8 is a simple type seat whose width dimension is set to a smaller value than the main seats 6 and 7, and when not in use, the seat cushions 61, Between 71, it is supported so that it can be displaced below the seating surface.

  As shown in FIG. 4, the main seats 6, 7 of the middle row seat 3 are seat cushions 61, 71 installed on the pedestal portion 21, and seat backs 62 provided with headrests 63, 73 at the upper ends. 72. The pedestal portion 21 of the main seats 6 and 7 includes a lower pedestal 23 supported so as to be slidable along a pair of left and right vertical guide rails 22 installed on the floor panel so as to extend in the front-rear direction of the vehicle body. It comprises a horizontal guide rail 24 installed to extend in the vehicle width direction at both front and rear ends of the pedestal 23 and an upper pedestal 25 supported so as to be slidable along the horizontal guide rail 24.

  Then, the lower pedestal 23 slides and displaces along the longitudinal guide rails 22 in the longitudinal direction of the vehicle body, thereby adjusting the longitudinal positions of the main seats 6 and 7 and the upper pedestal 25 along the lateral guide rails 24. Is displaced in the vehicle width direction so that the left and right positions of the main seats 6 and 7 are adjusted. Further, below the seat cushions 61 and 71 of the main seats 6 and 7, the main seat is moved along the lateral guide rail 24 in a state where the seat cushion 81 of the sub seat 8 is displaced to a lower position as will be described later. A space 26 is provided for preventing the main seats 6 and 7 from interfering with the sub-seat 8 when the 6 and 7 are slid in the vehicle width direction.

  As shown in FIG. 2, the sub-seat 8 is continuous with the seat cushion 81 that forms a seating surface continuous with the seat cushions 61 and 71 of the main seats 6 and 7, and the seat backs 62 and 72 of the main seats 6 and 7. The seat back 82 forms a backrest surface, and a headrest 83 is provided at the upper end of the seat back 82. Further, as shown in FIGS. 5 and 6, the seat back 82 of the sub-seat 8 is provided with a connecting mechanism 27 that connects the seat back 82 to the seat cushion 81 so as to be raised and lowered. 27 is provided with a support shaft 28 serving as a tilting fulcrum of the seat back 82 and a lock means 29 for holding the seat back 82 in an upright state.

  The lock means 29 includes a lock lever 31 supported swingably around a support shaft 30 provided on a seat back frame 84, a lock pin 32 projecting from a seat cushion frame 85, and the lock lever 31. And a biasing member 34 made of a coil spring or the like for biasing the lock lever 31 in a direction to engage the lock pin 32 with the hook portion 33 provided at the tip of the lock lever 32. An operation knob 35 is provided which is used when the hook portion 33 is detached from the lock pin 32 by swinging the lock lever 31 against the urging force of the member 34.

  In a normal state, the hook 33 of the lock lever 31 is kept engaged with the lock pin 32 in accordance with the urging force of the urging member 34, so that the seat back 82 of the sub-seat 8 is in an upright state. Is supposed to be retained. Further, when the sub-sheet 8 is not used, the support shaft 28 is supported as a fulcrum in a state where the hook 33 is detached from the lock pin 32 by swinging the lock lever 31 with the operation knob 35. Further, it is permitted to tilt the seat back 82, that is, to put the seat back 82 forward on the seat cushion 81 (see FIG. 3).

  The seat cushion 81 of the sub-seat 8 is supported by the slide support mechanism 37 having a pair of left and right guide rails 36 installed on the floor panel so as to be slidable in the front-rear direction of the vehicle body. A lift support mechanism 38 provided in the mechanism 37 is supported to be displaceable between an upper use position and a lower position.

  The slide support mechanism 37 is installed on the guide rail 36 and is slidably displaced in the front-rear direction of the vehicle body, a pair of left and right sliders 39, a slide frame 40 installed on the slider 39, and a front inner side of the slider 39. A locking arm 41 disposed on the side, and a locking member (not shown) that locks the slide frame 40 on the guide rail 36 and restricts the back and forth movement of the sub-seat 8. Then, after operating the lock arm 41 to release the locking state of the slide frame 40 by the locking member, the slider 39 and the slide frame 40 are slid in the longitudinal direction of the vehicle body along the guide rail 36. The sub-seat 8 is allowed to move from the front use position to the rear storage position.

  Further, the elevating support mechanism 38 is provided at a front link 43 that is supported to be raised and lowered with a front shaft 42 provided at a front end portion of the slide frame 40 as a fulcrum, and at a rear end portion of the slide frame 40. A pair of left and right rear links 45 supported so as to be able to rise and fall with the rear shaft 44 as a fulcrum, and holding means 46 for holding the rear links 45 in an upright state. The front and rear ends of the seat cushion 81 are supported via the front link 43 and the rear link 45 provided on the slide frame 40, so that the front link 43 and the rear link 45 are raised and lowered. The seat cushion 81 is displaced up and down from the upper use position shown in FIGS. 5 and 6 to the lower position shown in FIGS. 7 and 8.

  The holding means 46 applies a conventionally well-known structure as a general seat back reclining mechanism (round type reclining device), and is a disc-shaped inner plate 47 formed integrally with the upper end of the rear link 45. And a dish-shaped outer plate 48 that is bolted to the side surface of the rear end portion of the seat cushion frame 85 and rotatably holds the inner plate 47, and internal teeth provided on the inner plate 47 and the outer plate 48. And a non-illustrated meshing portion comprising external teeth. In normal times, the inner teeth and the outer teeth of the meshing portion mesh with each other, so that the relative rotation of the inner plate 47 and the outer plate 48 is restricted, and the rear link 45 is held upright.

  In addition, the holding means 46 has a cam mechanism (not shown) that releases the engagement of the meshing portion and allows the inner plate 47 and the outer plate 48 to rotate relative to each other. Accordingly, a return spring including a spiral spring (not shown) that drives the rear link 45 in a tilting direction, and a lock release portion 49 that drives the cam mechanism are provided. The lock release unit 49 includes an operation lever 50 provided on the back surface of the seat back 82, a transmission cable 51 that transmits an operation force of the operation lever 50, a drive arm 52 that is driven by the transmission cable 51, And a rotation shaft that is rotationally driven by the drive arm 52 and displaces the cam mechanism in the engagement release direction of the meshing portion.

  By driving the operation lever 50 and transmitting the driving force to the drive arm 52, the inner plate 47 and the outer plate 48 are allowed to rotate relative to each other when the cam mechanism is displaced in the disengagement direction of the engagement portion. As a result, the standing state of the rear link 45 is released, so that the rear link 45 is tilted forward according to the urging force of the return spring, and the front link 43 is tilted forward in conjunction with this. Thus, as shown in FIG. 7, the seat cushion 81 is displaced downward. With the seat cushion 81 of the sub-seat 8 thus moved to the lower position, when the lock lever 31 is swung to release the upright holding state of the seat back 82 by the locking means 29, the seat back 82 is The support shaft 28 is tilted and displaced with the fulcrum as a fulcrum, and is configured to fall on the seat cushion 81 as shown in FIG.

  As shown in FIG. 8, the seat cushion 81 of the sub seat 8 is displaced to a lower position, and the seat back 82 is laid down on the seat cushion 81, and the sub seat 8 is placed in the passenger compartment as will be described later. The headrest 83 of the sub-seat 8 is supported by the upper end of the seat back 82 so as to be able to be raised and lowered in order to make the storage space compact when the storage position is displaced to the storage position provided on the rear side of the seat back. It is desirable that the headrest 83 is lowered so that the total length (vertical dimension) of the seat back 82 can be shortened.

  As shown in FIG. 9, a space 53 for storing the sub-seat 8 is formed in the lower center portion of the rear row seat 5 disposed in the rear portion of the vehicle interior. When the sub seat 8 is not used, the seat cushion 81 of the sub seat 8 is moved to the lower storage position, and the seat back 82 is laid down on the seat cushion 81, and the sub seat 8 is moved to the guide rail. By sliding and displacing along the rear side of the vehicle body along the line 36, it is stored in the space 53 as shown in FIG.

  Further, by sliding the left and right main seats 6 and 7 in the vehicle width direction along the lateral guide rails 24, a continuous seating surface is formed by the seat cushions 61 and 71 of the left and right main seats 6 and 7, The left and right main seats 6 and 7 are slid along the vertical guide rails 22 toward the rear side of the vehicle body so that the sub seat 8 can be moved backward to a position close to the rear row seat 5.

  As described above, the pair of left and right main seats 6 and 7 having the seat cushions 61 and 71 and the seat backs 62 and 72 are arranged in the vehicle width direction, and the sub seat 8 is arranged between the left and right main seats 6 and 7. In the vehicular seat device provided with the rear row seat 5 on the rear side of the left and right main seats 6, 7, the use position where the sub seat 8 is continuous with the main seats 6, 7, and the rear row seat 5 Since the seat cushion of the main seat is swingably displaced with the support portion provided at the front end as a fulcrum as in the prior art, the seat cushion of the storage seat is The seat cushion 81 of the sub-seat 8 can be selectively displaced between the upper use position and the rear storage position without requiring an operation such as opening the upper surface. That.

  Therefore, when the sub seat 8 is used, the middle row seat 3 can be used as a seat for three persons by installing the seat cushion 81 at a use position formed between the left and right main seats 6 and 7. In addition, when the sub-seat 8 is not used, there is an advantage that the middle row seat 3 can be used as a seat for two persons by displacing the seat cushion 81 to the rear storage position. Moreover, the size of the sub-seat 8 may be limited according to the size of the storage chamber, as in the prior art configured to store the sub-seat in the storage chamber formed below the main seat. Therefore, there is an advantage that the size of the sub-sheet 8 can be sufficiently secured.

  That is, in the above-described embodiment, the seat cushion 81 of the sub seat 8 is supported by the pair of left and right front links 43 and the rear link 45 so as to be raised and lowered, and the rear link is provided by the holding means 46 provided at the upper end of the rear link 45. 45, the rear link 45 is held in the upright state, and the seat cushion 81 of the sub seat 8 is placed at the upper use position provided between the main seats 6 and 7. The middle row seat 3 is used as a three-seat seat in which a continuous seating surface is formed by the seat cushions 61 and 71 of the main seats 6 and 7 and the seat cushion 81 of the sub seat 8 by being locked. can do.

  When the sub-seat 8 is not used, the standing state of the rear link 45 is released by the lock release portion 49 provided in the holding means 46, and the seat cushion 81 is displaced to the lowered position as shown in FIG. At the same time, the state in which the seat back 82 is held upright by the locking means 29 is released, and the sub seat 8 is placed on the vehicle body along the guide rail 36 in a state of being laid down on the seat cushion 81 as shown in FIG. Since the sub-seat 8 is stored in the space 53 provided below the rear row seat 5 by being slid to the rear side of the rear row seat 5, the left and right main seats 6 and 7 are independent for two persons. The middle row seat 3 can be used as a seat for the vehicle, and the sub seat 8 is prevented from being exposed in the passenger compartment. Can be effectively improved cabin appearance Te.

  In the above embodiment, when the sub-seat 8 is not used, the left and right main seats 6 and 7 are moved to the rear side of the vehicle body along the vertical guide rails 22 while the sub-seat 8 is displaced to the rear storage position. As shown in FIG. 10, the left and right main seats 6, 7 are configured to be retracted to a position close to the rear row seat 5 by sliding, so that the left and right main seats 6, 7 displaced to the retracted position are configured. There is an advantage that a wide space can be formed between the two-seat middle row seat 3 and the front row seat 2 positioned on the front side thereof to effectively use the vehicle interior space.

  Further, in the above embodiment, with the sub seat 8 being displaced to the rear storage position, both or one of the left and right main seats 6 and 7 is slid along the lateral guide rail 24 in the vehicle width direction. Since the seat cushions 61 and 71 of the left and right main seats 6 and 7 are configured to form a continuous seating surface, the left and right main seats 6 and 7 form the bench seat type middle row seat 3 for two people. In addition, as shown by an arrow α in FIG. 11, there is an advantage that a wide passage space for an occupant seated on the rear row seat 5 can be formed on the side of the middle row seat 3.

  In particular, in the above embodiment, the left and right main seats 6 and 7 are slidably supported along the longitudinal guide rails 22 and the lateral guide rails 24 in the longitudinal direction of the vehicle body and in the vehicle width direction, respectively. The left and right main seats 6 and 7 are slid and displaced inwardly of the vehicle body to avoid interference with the rear wheel house 4 formed on the left and right sides of the rear end of the passenger compartment. In the normal state, the left and right main seats 6 and 7 are positioned at the side portions of the passenger compartment, and the sub seat 8 is installed between the main seats 6 and 7. Space can be secured, and when the sub-seat 8 is not used, the left and right main seats 6 and 7 can be moved in the final direction without interfering with the rear wheel house 4. , I.e. as shown in FIG. 10, it may be retracted to a position close to the rear seat 5.

  Moreover, in the said embodiment, as shown in FIG. 3, in the state which latched the seat cushion 81 of the sub seat 8 to the upper use position, it can be used as a table by making the seat back 82 forward-turned. As a result, when the middle row seat 3 is used as a seat for two people, there is an advantage that a passenger seated on the left and right main seats 6 and 7 can use the seat back 82 of the sub seat 8 as a side table. is there. Therefore, the independence of the left and right main seats 6 and 7 can be improved, and the convenience of the passenger seated on the main seats 6 and 7 can be effectively improved.

  Further, as in the above embodiment, the main seats 6 and 7 are slidably supported along the lateral guide rail 24 in the vehicle width direction, and pass through the upper portion of the sub seat 8 installed at the lower position. When the main seats 6 and 7 are slidably displaced in the vehicle width direction, a continuous seating surface and a backrest surface are formed by the seat cushions 61 and 71 and the seat backs 62 and 72 of the main seats 6 and 7. Thus, there is an advantage that the two-seat bench seat type middle row seat 3 can be formed and the sub-sheet 8 can be concealed below.

  That is, when the sub-seat 8 is not used, as shown in FIG. 8, after the standing holding state of the rear link 45 by the holding means 46 is released and the seat cushion 81 of the sub-seat 8 is moved to the lower storage position. In addition, the seat back 82 is held upright by the locking means 29 so that the seat back 82 is overlaid on the seat cushion 81, and the main seats 6 and 7 are prevented from interfering with the sub seat 8. Since the space portion 26 is formed below the seat cushions 61 and 71, the main seats 6 and 7 are slid along the lateral guide rail 24 in the vehicle width direction without being brought into contact with the sub seat 8. It is possible to form a seat arrangement in which the left and right main sheets 6 and 7 are close to each other.

  Further, as shown in FIG. 12, while the middle row seats 3 composed of the left and right main seats 6 and 7 are retracted along the vertical guide rail 22, the seat back 82 is moved with the sub seat 8 positioned forward. When the sub-seat 8 is configured to be used as a table by lying on the seat cushion 81, there is an advantage that the vehicle interior space can be effectively used.

  Further, as shown in FIGS. 13 and 14, the seat cushion 5a of the rear row seat 5 is configured to be able to shorten the front-rear width of the rear row seat 5 by, for example, setting the seat cushion 5a upright with the rear end portion as a fulcrum. The middle row sheet 3 including the left and right main sheets 6 and 7 may be configured to be retractable to a position close to the rear row sheet 5 in a state where the front and rear width of the rear row sheet 5 is shortened. In the case of such a configuration, between the middle row seat 3 for two seats composed of the left and right main seats 6 and 7 displaced to the retracted position, and the front row seat 2 positioned on the front side, more There is an advantage that a wide space can be formed.

It is a top view which shows schematic structure of the vehicle provided with the vehicle seat apparatus which concerns on this invention. 1 is a perspective view showing an embodiment of a vehicle seat device according to the present invention. It is a perspective view which shows the state which laid down the seat back of the sub seat on the seat cushion. It is a perspective view which shows the specific structure of a main seat. It is explanatory drawing which shows the principal part structure of the vehicle seat apparatus which concerns on this invention. It is a perspective view which shows the principal part structure of the vehicle seat apparatus which concerns on this invention. It is a side view which shows the state which displaced the seat cushion of the sub seat to the downward position. It is a side view which shows the state which laid down the seat back of the sub seat on the seat cushion. It is a front view which shows the specific structure of a back row sheet | seat. It is a top view which shows the state which retracted the right and left main seat. It is a top view which shows the form which stored the sub sheet | seat in the back storage part. It is a top view which shows the state which used the sub sheet | seat as a side table. It is a side view which shows another embodiment of the vehicle seat apparatus which concerns on this invention. It is a top view which shows another embodiment of the vehicle seat apparatus which concerns on this invention.

Explanation of symbols

2 Middle row seat 4 Rear wheel house 5 Rear row seat 6, 7 Main seat 8 Sub seat 22 Vertical guide rail 24 Lateral guide rail 53 Space (Sub seat rear storage position)
61, 71 Main seat seat cushion 62, 72 Main seat seat back 81 Sub seat seat cushion 82 Sub seat seat back

Claims (5)

  A pair of left and right main seats having a seat cushion and a seat back are arranged in the vehicle width direction, a sub seat is disposed between the left and right main seats, and a rear row seat is disposed behind the left and right main seats. A vehicle seat device, wherein the sub-seat is displaceably supported at a use position continuous with a main seat and a rear storage position provided below the rear row seat. Sheet device.   2. The vehicle seat device according to claim 1, wherein the left and right main seats are supported so as to be retractable to a position close to the rear row seat in a state where the sub seat is displaced to the rear storage position.   With the sub seat displaced to the rear storage position, at least one of the left and right main seats is slid in the vehicle width direction to form a continuous seating surface by the seat cushion of the left and right main seats. The vehicle seat device according to claim 1 or 2.   The main seat is slidably supported in the longitudinal direction of the vehicle body and in the vehicle width direction, so that the main seat located in the side portion of the vehicle compartment is slid to the inner side of the vehicle body and left and right of the rear end portion of the vehicle compartment. 4. The vehicle seat device according to claim 2, wherein the main seat is configured to be slid to the rear side of the vehicle body while avoiding interference with the rear wheel house formed on the vehicle body. 5.   3. The front and rear width of the rear row seat is configured to be shortenable, and the left and right main seats are configured to be retractable to a position close to the rear row seat in a state in which the front and rear width of the rear row seat is shortened. The vehicle seat device according to any one of -4.

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