JP4059101B2 - Center seat structure for vehicles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement in a vehicle center seat structure that is provided between a left and right seat in a rear row such as a second seat so as to be slidable forward at least by a length in the front-rear direction of a seat cushion independently of the left and right seats.
[0002]
[Prior art]
As a conventional center seat structure for a vehicle of this type, for example, as shown in FIG. 6, it slides in the front-rear direction independently of the left and right seats 101, 102 between the left and right seats 101, 102 in the rear row such as a second seat. A center seat 104 is provided, and the seat back 105 of the center seat 104 is folded on the upper surface side of the seat cushion 103, so that it can be used as an armrest for the left and right seats 101, 102 in the rear row and an article placement unit for drinks. There is one configured to be able to do this (for example, see Patent Document 1).
[0003]
[Patent Document 1]
JP 2001-260725 A (page (2), FIG. 16)
[0004]
[Problems to be solved by the invention]
However, in the center seat structure of the conventional example, when the center seat 104 is slid forward and the rear surface of the seat back 105 is used as an article placement unit for drinks or the like, it can be used as an armrest for the left and right seats 101 and 102 in the rear row. There was a problem of disappearing.
[0005]
The present invention has been made by paying attention to the above-mentioned conventional problems, and a vehicle capable of simultaneously exerting a function as an article placement unit for drinks and the like that can be used on the left and right seats in the rear row and a function as an armrest. It is an object to provide a center sheet structure for use.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the vehicle center seat structure according to claim 1 of the present invention has a front-rear seat cushion that is separated from the left and right seats in the rear row by at least the front seat length. A center seat provided so as to be slidable in the direction, and an upper end portion of a support arm provided in a state in which a base portion of a seat back of the center seat projects at a predetermined height above a top surface of the seat cushion at a rear end of the seat cushion The seat cushion of the center seat is configured to be rotatable at least at a predetermined use angle position of the seat back and at a pivot position where the seat back is tilted backward until it is substantially horizontal. Is composed of a base portion provided with a storage space of an upper surface opening and an upper surface cushion portion covering the upper surface opening portion of the base portion. Cushion unit has a means which is characterized in that it can be opened and closed configuration forwardly through a hinge.
[0007]
The center seat structure for a vehicle according to claim 2 of the present invention is the center seat structure for a vehicle according to claim 1, wherein the top cushion portion is configured to open to the front until the top cushion portion is in a substantially horizontal state. The back surface of the apparatus is provided with an article placement section that can be used in an open state.
[0008]
The center seat structure for a vehicle according to claim 3 of the present invention is the center seat structure for a vehicle according to claim 1 or 2, wherein the seat back of the center seat is rotated forward until the seat back of the center seat becomes substantially horizontal with respect to the support arm. The device is configured to be movable.
[0009]
The center seat structure for a vehicle according to claim 4 of the present invention is used in the center seat structure for a vehicle according to claim 3, wherein the center seat structure is rotated until the rear surface of the seat back in the center seat is substantially horizontal. A possible means for placing an article is provided.
[0010]
The vehicle center seat structure according to claim 5 of the present invention is the vehicle center seat structure according to any one of claims 1 to 3, wherein the left and right seat backs in the rear row are configured to be reclining, The base of the support arm is configured to be rotatable with respect to the seat cushion of the center seat and to be fixed at an arbitrary reclining angle.
[0011]
Operation and effect of the invention
In the vehicle center seat structure according to the first aspect of the present invention, since it is configured as described above, the center seat is slid forward from the position between the left and right seats in the rear row by the length in the front-rear direction of the seat cushion. In this position, the seat back is moved to a position where the seat back is tilted backward from the predetermined use angle position until it is substantially horizontal, so that the seat back is seated by the height of approximately the protrusion of the support arm between the left and right seats in the rear row. It will be in the state arrange | positioned in a position higher than a cushion, Thereby, it can be used as an armrest of the passenger | crew who seated the seat back of the center seat on the right-and-left seat of the back row.
[0012]
Also, by opening the upper cushion part of the seat cushion in the center seat that is slid forward through the hinge, the article stored in the storage space formed on the upper surface of the base part, use, drinks, etc. It will be in the state which can be used as an article mounting part.
[0013]
Therefore, it is possible to obtain an effect that the function as an article placement unit for drinks and the like that can be used in the left and right seats in the back row and the function as an armrest can be exhibited at the same time.
[0014]
In the vehicle center seat structure according to the second aspect of the present invention, since it is configured as described above, the upper surface side (the back surface side of the upper surface cushion portion) is opened by opening the upper surface cushion portion until it becomes substantially horizontal. ) Is placed between the left and right seats in the front row, so that an occupant seated on the left and right seats in the front row can be used as an article placement portion for drinks and the like. It becomes like this.
[0015]
In the vehicle center seat structure according to the third aspect of the present invention, since it is configured as described above, the upper cushion portion of the seat cushion is interposed via the hinge while the center seat is maintained between the left and right seats in the rear row. Open the front and rotate the seat back of the center seat forward until it is substantially horizontal with respect to the support arm, so that the rear side of the seat back is used as the armrest for the passenger seated on the left and right seats in the rear row At the same time, an occupant seated on the left and right seats in the rear row has an article placement part provided on the upper surface side (the back side of the upper cushion part) of the upper cushion part opened in a substantially horizontal state. Can be used as.
[0016]
In the vehicle center seat structure according to the fourth aspect of the present invention, since it is configured as described above, the seat back of the center seat is moved forward with respect to the support arm in a state where the center seat is maintained between the left and right seats in the rear row. By rotating the seat back until it becomes substantially horizontal, it becomes possible to use the rear surface side of the seat back as an armrest for an occupant seated on the left and right seats in the rear row and an article placement section for drinks and the like.
[0017]
In the vehicle center seat structure according to the fifth aspect of the present invention, since it is configured as described above, the seat back of the center seat can be adjusted to the reclining angle of the seat backs of the left and right seats in the rear row.
Also, when the support arm is in a vertical state in the use form of the armrest, the height of the armrest is maximized and becomes lower as the support arm is tilted rearward.In this way, by changing the tilt angle of the support arm, The height of the armrest (seat back) can be adjusted. [0018]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. The embodiment of the present invention corresponds to the invention described in claims 1 to 5.
FIG. 1 is a perspective view of a first form of use of an armrest of a seat back showing a vehicle center seat structure according to an embodiment of the invention, FIG. 2 is a perspective view of a second form of use of the armrest of the seat back, and FIG. FIG. 4 is an enlarged view of a main part showing a first form of armrest use of the seat back, FIG. 5 is an enlarged view of a main part showing a second form of armrest use of the seat back, In these drawings, 1 is a passenger seat (front row left seat), 2 is a driver seat (front row right seat), 3 is a second left seat (back row left seat), and 4 is a second right seat (back row right seat). 5 is a center seat, 6 is a floor, 11, 21, 31, 41 and 51 are seat cushions for each seat, and 12, 22, 32, 42 and 52 are seat backs for each seat.
[0019]
More specifically, each of the seats 1, 2, 3, 4 and 5 is provided so as to be slidable in the front-rear direction along slide rails 3a and 53a (others are not shown) with respect to the floor 6, respectively. In particular, the center seat 5 is slidable forward by the longitudinal length of the seat cushion 51 independently of the second left and right seats 3, 4, and is slidable rearward from the left and right seats 3, 4. A slide rail 53a is provided longer, and the slide lever 53 can be slid and fixed at a predetermined slide position.
Further, the seat backs 12, 22, 32, 42, 52 of the respective seats 1, 2, 3, 4, 5 can be reclined at an arbitrary angle.
[0020]
Between the second left and right seats 3, 4, a gap narrower than the width in the vehicle width direction of each of the left and right seats 3, 4 is formed, and the center seat 5 is arranged in a state of filling the gap portion. Has been. Further, a gap is formed between the passenger seat 1 and the driver's seat 2 as much as the gap between the second left and right seats 3 and 4.
[0021]
As described above, the center seat 5 is narrow and cannot be seated alone, but can be seated together with one of the second left and right seats 3, 4, and can be seated with the second left and right seats 3, 4. It is configured to allow three people to sit down.
[0022]
Further, the base portion of the seat back 52 in the center seat 5 is rotatable with respect to the upper end portion of the support arm 54 provided at the rear end of the seat cushion 51 so as to protrude above the upper surface of the seat cushion 51 by a predetermined height. And can be fixed at an arbitrary rotational position.
[0023]
That is, as shown in FIGS. 3 to 5, a gear 54a is fixedly provided at the upper end of the support arm 54, while an arm 55 fixed to the frame of the seat back 52 is centered on a support shaft 55a concentric with the gear 54a. Is provided so as to be freely rotatable. The arm 55 is formed with a hole 55b for screwing the arm 55 to the frame of the seat back 52.
[0024]
Further, the arm 55 is provided so as to be rotatable about a support shaft 56a, and is provided with a tooth portion 56b that engages and disengages with respect to the gear 54a, and a cam on the opposite end surface of the tooth portion 56b. An engaging arm 56 having a surface 56c and a pivoting shaft 57a are provided so as to be pivotable. The engaging pin 57b abuts on the cam surface 56c and rotates in a direction to press the engaging arm 56. Thus, an operation lever 57 for engaging the tooth portion 56b with the gear 54a is provided.
[0025]
The engagement arm 56 is urged by a spring (not shown) so as to rotate in a direction to release the meshing state of the tooth portion 56b with respect to the gear 54a, and the operation lever 57 is shown in the figure. The engagement arm 56 is pressed by the omitted spring so as to be biased in a direction in which the tooth portion 56b meshes with the gear 54a.
[0026]
Note that by increasing the biasing force of the spring that biases the operation lever 57 than the spring that biases the engagement arm 56, the tooth portion 56b meshes with the gear 54a as shown in FIG. The engagement arm 56 and the operation lever 57 are biased.
[0027]
Therefore, by rotating the operating lever 57 in the clockwise direction in the drawing against the urging force of the spring, the pressing of the engaging arm 56 by the engaging pin 57b is released as shown in FIGS. The engaging arm 56 is rotated counterclockwise in the drawing about the support shaft 56a by the urging force of the drawing, and the meshing state of the tooth portion 56b with respect to the gear 54a is released, whereby the arm 55 (seat back) with respect to the support arm 54 is released. 52) The angle can be adjusted. In the figure, 55d is a stopper provided on the arm 55 for restricting the rotation of the engagement arm 56 at a predetermined position.
[0028]
Returning to FIGS. 1 and 2, the support arm 54 is configured such that the base portion thereof is pivotable with respect to the seat cushion 51 of the center seat 5 and can be fixed at an arbitrary reclining angle by a reclining lever 58.
[0029]
A cup holder (article mounting portion) 52a that can be used in a state in which the seat back 52 is rotated forward until it becomes substantially horizontal is provided on the free rear side of the seat back 52 in the center seat 5. Yes.
[0030]
The seat cushion 51 of the center seat 5 includes a base portion 5a having a storage space 51a having an upper surface opening, and an upper surface cushion portion 5b covering the upper surface opening portion 51b of the base portion 5a. The part 5b is opened to the front through the hinge 51c until it is substantially horizontal.
[0031]
Further, a tray 51d and a cup holder 51e (article placement portion) that can be used in a state where the upper surface cushion portion 5b is opened to a substantially horizontal state are provided on the back surface of the upper cushion portion 5b.
[0032]
Next, operations and effects of the embodiment of the present invention will be described.
(A) Usage as a center seat Since the center seat structure for a vehicle according to the embodiment of the present invention is configured as described above, the center seat 5 is disposed between the second left and right seats 3 and 4, 3, the operation of the operation lever 57 causes the seat back 52 to follow the inclination angle of the support arm 54, and the operation of the reclining lever 58 moves the support arm 54 and the seat back 52 to the second left and right seats 3, 4. By adjusting to the reclining angle of the seat backs 32, 42, it can be used as the center seat of the second left and right seats 3, 4.
[0033]
(B) Use of a seat back armrest First form As shown in FIG. 1, the center seat 5 is moved from the position between the second left and right seats 3, 4 by the operation of the slide lever 53 to approximately the length in the front-rear direction of the seat cushion 51. 4, and at this position, as shown in FIG. 4, the seat back 52 is turned from the predetermined use angle position to the rear side until it becomes substantially horizontal as shown in FIG. The seat back 52 is disposed at a position higher than the seat cushion 51 by the substantially protruding height of the support arm 54 between the second left and right seats 3, 4. The back 52 can be used as an armrest for an occupant seated on the second left and right seats 3 and 4.
[0034]
Further, by opening the upper cushion portion 5b of the seat cushion 51 in the center seat 5 that has been slid forward through the hinge 51c, the article stored in the storage space 51a formed on the upper surface of the base portion 5a. It will be in the state which can be used as articles | goods mounting parts, such as taking in / out and utilization, and drinks.
[0035]
Therefore, it is possible to obtain an effect that a function as a storage unit that can be used in the second left and right sheets 3 and 4 and an article placement unit such as a drink and a function as an armrest can be exhibited at the same time.
[0036]
Further, by opening the upper cushion portion 5b to the front until it becomes substantially horizontal, the tray 51d and the cup holder 51 provided on the upper surface side (the rear surface side of the upper cushion portion 5b) are connected to the passenger seat 1 and the driver seat 2 mutually. Thus, the passenger seated in the passenger seat 1 and the driver seat 2 can also be used as an article placement section for drinks and the like.
[0037]
Further, when the support arm 54 is set to a vertical state by operating the reclining lever 58, the height of the armrest (seat back 52) becomes maximum, and becomes lower as the support arm 54 is tilted rearward.
Thus, by changing the inclination angle of the support arm 54, the height of the armrest (seat back 52) can be adjusted. If the inclination angle of the support arm 54 is changed, it is necessary to correct the armrest (seat back 52) to a horizontal state.
[0038]
(B) Second use of seat back armrest As shown in FIG. 2, with the center seat 5 maintained between the second left and right seats 3 and 4, the upper cushion portion 5b of the seat cushion 51 is hinged 51c. The seat back 52 of the center seat 5 is rotated forward with respect to the support arm 54 until it becomes substantially horizontal, so that the rear side of the seat back 52 is moved to the left and right sides of the second seat. A tray 51d and a cup holder 51e that can be used as an armrest for an occupant seated on the seats 3 and 4 and are provided on the upper surface side (the back surface side of the upper surface cushion portion 5b) of the upper surface cushion portion opened in a substantially horizontal state. Can be used as an article placement section for drinks etc. It made.
Furthermore, the cup holder 52a provided on the rear free end side of the seat back 52 can also be used as an article placement unit for drinks and the like.
[0039]
Therefore, it is possible to obtain an effect that the function as an article placement unit for drinks and the like that can be used in the second left and right sheets 3 and 4 and the function as an armrest can be exhibited at the same time.
[0040]
Further, when the support arm 54 is set in a vertical state by operating the reclining lever 58, the height of the armrest (the rear surface of the seat back 52) becomes maximum, and becomes lower as the support arm 54 is inclined rearward. When the inclination angle of the support arm 54 is changed, the armrest (rear surface of the seat back 52) is corrected to a horizontal state.
Thus, by changing the inclination angle of the support arm 54, the height of the armrest (the rear surface of the seat back 52) can be adjusted.
[0041]
Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments.
For example, in the embodiment of the invention, the base portion of the support arm 54 is configured to be rotatable with respect to the seat cushion 51. However, the base portion is provided in a fixed state at a predetermined angle and the seat back 52 is rotated with respect to the support arm 54. You may make it match | combine with the reclining angle of the seat backs 32 and 42 of the 2nd right and left seats 3 and 4 only by adjustment of an angle.
[Brief description of the drawings]
FIG. 1 is a perspective view of a first form of armrest use of a seat back showing a vehicle center seat structure according to an embodiment of the invention.
FIG. 2 is a perspective view of a second form of use of a seat back armrest showing a vehicle center seat structure according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a main part of a seat back usage pattern showing a vehicle center seat structure according to an embodiment of the invention.
FIG. 4 is an enlarged view of a main part of the first embodiment using the armrest of the seat back showing the vehicle center seat structure according to the embodiment of the present invention;
FIG. 5 is an enlarged view of a main part of a second form of use of an armrest for a seat back showing a vehicle center seat structure according to an embodiment of the invention;
FIG. 6 is a perspective view showing a conventional vehicle center seat structure.
[Explanation of symbols]
1 Passenger seat (front left seat)
11 Seat cushion 12 Seat back 2 Driver's seat (front right seat)
21 Seat cushion 22 Seat back 3 Second left seat (Left seat in the back row)
3a Slide rail 31 Seat cushion 32 Seat back 4 Second right seat (right seat in the back row)
41 Seat cushion 42 Seat back 5 Center seat 5a Base portion 5b Upper surface cushion portion 51 Seat cushion 51a Storage space 51b Upper surface opening portion 51c Hinge 51d Tray (article placement portion)
51e Cup holder (article placement section)
52 Seat back 52a Cup holder (article placement section)
53 Slide lever 53a Slide rail 54 Support arm 54a Gear 55 Arm 55a Support shaft 55b Hole 55d Stopper 56 Engagement arm 56a Support shaft 56b Tooth 56c Cam surface 57 Operation lever 57a Support shaft 57b Engagement pin 58 Reclining lever 6 Floor

Claims (5)

A center seat provided between the left and right seats in the rear row so as to be slidable in the front direction by at least the length of the front and rear direction of the seat cushion independently of the left and right seats,
The base portion of the seat back in the center seat is rotatable with respect to the upper end portion of a support arm provided at a rear end of the seat cushion so as to protrude above the upper surface of the seat cushion by a predetermined height, and at least of the seat back. It is configured to be able to be fixed at a predetermined use angle position and a pivot position where the seat back is tilted rearward until it is substantially horizontal,
The seat cushion of the center seat is composed of a base portion having a storage space with an upper surface opening and an upper surface cushion portion covering the upper surface opening portion of the base portion, and the upper surface cushion portion can be opened and closed forward via a hinge. A center seat structure for a vehicle, characterized in that: The upper cushion portion is configured to open to the front until it is substantially horizontal,
2. The vehicle center seat structure according to claim 1, further comprising an article placement portion that can be used in an open state on a rear surface of the upper cushion portion. 3. The vehicle center seat structure according to claim 1, wherein the center seat structure for a vehicle is configured to be rotatable with respect to the support arm until a seat back of the center seat is in a substantially horizontal state forward. The center seat structure for a vehicle according to claim 3, further comprising: an article placement portion that can be used in a state of being rotated until the rear surface of the seat back of the center seat is substantially horizontal. . The seat backs of the left and right seats in the rear row are configured to be reclining,
4. The vehicle according to claim 1, wherein a base portion of the support arm is configured to be rotatable with respect to a seat cushion of a center seat and to be fixed at an arbitrary reclining angle. Center seat structure.

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