JP4206789B2 - Vehicle seat - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle seat, and more particularly to a vehicle seat applied to a vehicle such as an automobile.
[0002]
[Prior art]
Conventionally, a vehicle seat having a walk-in mechanism that moves a seat disposed in a door opening to the front of the vehicle body when riding a rear seat from a door opening in a vehicle such as an automobile is applied to the floor. A seat track including a lower rail provided, an upper rail slidably engaged with the lower rail, and a slide lock mechanism that prohibits sliding of the upper rail, and when the walk-in operation is performed, the slide A configuration in which the lock mechanism is released and the upper rail is moved to the foremost position is known (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 7-35165 [0004]
[Problems to be solved by the invention]
However, in the configuration of Patent Document 1, an operation handle for performing a walk-in operation is disposed at a lower portion of the side wall in the vehicle width direction of the seat back so that the driver can easily operate the walk-in mechanism. As a result, it is difficult for a person who gets on the seat behind the door opening to operate.
[0005]
In view of the above facts, an object of the present invention is to provide a vehicle seat capable of improving the operability of a walk-in mechanism for a person who gets on a rear seat through a door opening.
[0006]
[Means for Solving the Problems]
The vehicle seat of the present invention according to claim 1, is supported by a rotating shaft disposed toward the Oite vehicle width direction on the top of the vehicle width direction outer side wall of the seat back, the vehicle width direction of the seatback A reclining handle in which an operation unit arranged vertically upward at a position spaced from the outer side wall is rotatable in the longitudinal direction of the vehicle body ,
Connecting rods that connect and operate reclining devices attached to the left and right of the seat in synchronization;
And connecting means for connecting the connecting rod and the reclining handle,
Have
By rotating the operation part of the reclining handle from the vertically upward position to the front of the vehicle body, the reclining device is unlocked via the connecting means and the connecting rod, and the operation part of the reclining handle is moved to the vehicle body front side. By moving the seat back to a position inclined forward from the vertical position by an operation to rotate the seat back , the seat can be moved forward as it is.
[0007]
Therefore, people through the door opening intends to get behind the seat, in the reclining handle is supported by a rotating shaft disposed toward the Oite vehicle width direction on the top of the vehicle width direction outer side wall of the seat back The reclining device can be locked via the connecting means and the connecting rod by rotating the operation portion arranged vertically upward at a position away from the vehicle width direction outer side wall of the seat back from the vertical upward position to the vehicle body front side. Can be canceled. Further, the seat can be moved directly forward of the vehicle body by moving the seat back to a position inclined forward from the vertical position by rotating the operation portion of the reclining handle forward of the vehicle body. As a result, by operating the reclining handle forward of the vehicle body, the seat back can be easily moved forward, and the seat can be slid forward and moved to the walk-in position. For this reason, a person who gets in the rear seat through the door opening operates a reclining handle disposed on the outer side wall in the vehicle width direction of the seat back that is extremely easy to operate to the front side of the vehicle body. As a result, the seat back can be moved forward and the seat can be easily moved to the walk-in position. For this reason, the operativity of the walk-in mechanism with respect to the person who gets on a back seat from a door opening part can be improved. Furthermore, since the seat back can be easily moved forward by rotating the reclining handle toward the front side of the vehicle body, it is possible to eliminate the assist spring that has been conventionally used for obtaining the forward torque of the seat back.
[0008]
According to a second aspect of the present invention, in the vehicle seat according to the first aspect, the connecting means is a link fixed to a rotating shaft of the reclining handle and a wire connected to the link.
[0009]
Therefore, people through the door opening intends to get behind the seat, in the reclining handle is supported by a rotating shaft disposed toward the Oite vehicle width direction on the top of the vehicle width direction outer side wall of the seat back A link fixed to the rotating shaft of the reclining handle, by rotating an operation portion arranged vertically upward at a position spaced apart from the vehicle width direction outer side wall of the seat back from the vertical upward position to the vehicle body front side; The reclining device can be unlocked via a wire and a connecting rod connected to the link. Further, the seat can be moved directly forward of the vehicle body by moving the seat back to a position inclined forward from the vertical position by rotating the operation portion of the reclining handle forward of the vehicle body. As a result, by operating the reclining handle forward of the vehicle body, the seat back can be easily moved forward, and the seat can be slid forward and moved to the walk-in position. For this reason, a person who gets in the rear seat through the door opening operates a reclining handle disposed on the outer side wall in the vehicle width direction of the seat back that is extremely easy to operate to the front side of the vehicle body. As a result, the seat back can be moved forward and the seat can be easily moved to the walk-in position. For this reason, the operativity of the walk-in mechanism with respect to the person who gets on a back seat from a door opening part can be improved. Furthermore, since the seat back can be easily moved forward by rotating the reclining handle toward the front side of the vehicle body, it is possible to eliminate the assist spring that has been conventionally used for obtaining the forward torque of the seat back.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a vehicle seat according to the present invention will be described with reference to FIGS.
[0011]
In the figure, the arrow FR indicates the vehicle body front direction, the arrow UP indicates the vehicle body upward direction, and the arrow IN indicates the vehicle width inside direction.
[0012]
As shown in FIG. 1, in the present embodiment, a door opening 12 is formed in a side wall portion 10 of an automobile body, and a seat 14 is provided on a side of the interior of the door opening 12 with a known slide mechanism. (Not shown) is slidable in the longitudinal direction of the vehicle body.
[0013]
Further, the seat back 16 of the seat 14 is disposed at the rear end portion of the seat cushion 18 so as to be pivotable in the longitudinal direction of the vehicle body, and reclining on the upper portion 16B of the vehicle lateral direction outer side wall 16A. A handle 20 is provided. As shown in FIG. 1, the operation portion 20 </ b> A of the reclining handle 20 is attached vertically upward at a position away from the vehicle width direction outer side wall 16 </ b> A of the seat back 16.
[0014]
As shown in FIG. 2, the reclining handle 20 is disposed on the upper portion 24 </ b> A of the side frame 24 of the seat back 16, and the lower portions 24 </ b> B of the left and right side frames 24 are attached to the rear portions 26 </ b> A of the left and right seat cushion side frames 26. The connecting rod 28 is connected to the left and right reclining devices 25 in order to synchronize the operations of the left and right reclining devices 25. Further, when the connecting rod 28 rotates upward about the axis (in the direction of arrow C in FIG. 2), the reclining 25 of the seat back 16 connected to the connecting rod 28 is unlocked, and the seat back 16 can be tilted forward. At the same time, the seat track locking mechanism (not shown) connected to the connecting rod 28 is released, and the seat 14 can move in the longitudinal direction of the vehicle body.
[0015]
Note that, in the vicinity of the outer end of the connecting rod 28 in the vehicle width direction, a wire attachment portion 28A protrudes toward the rear of the vehicle body.
[0016]
As shown in FIGS. 3 and 4, a seat back mounting bracket 30 for attaching the reclining handle 20 to the side frame 24 of the seat back 16 is welded to the upper portion 24 </ b> A of the side frame 24 of the seat back 16. An inner end 32A in the vehicle width direction of a pin 32 as a rotation shaft disposed in the vehicle width direction rotates in a through hole 31 (see FIG. 4) formed in the central portion 30A in the vertical direction of the mounting bracket 30. It is caulked as possible.
[0017]
The outer end portion of the pin 32 in the vehicle width direction is a screw portion 32B, and a rotation stop portion 32C is formed at the root portion of the screw portion 32B. Further, an attachment portion 34A of a link 34 as a connecting means is fitted to the rotation preventing portion 32C of the pin 32, so that the pin 32 and the link 34 rotate integrally.
[0018]
The screw portion 32 </ b> B of the pin 32 is inserted into the through hole 38 formed in the pin support portion 36 </ b> A of the pin support bracket 36 and screwed into the screw hole 40 formed in the reclining handle 20. Further, the upper flange 36B and the lower flange 36C formed on the pin support bracket 36 are welded to a portion 30B near the upper side of the through hole 31 and a portion 30C near the lower side of the seat back mounting bracket 30, respectively.
[0019]
One end 42A of a wire 42 as a connecting means is connected to the end 34B on the vehicle body rear side of the link 34. As shown in FIG. 2, the other end 42B of the wire 42 is connected to a connecting rod. It is connected to 28 wire attachment portions 28A.
[0020]
Accordingly, by rotating the operation portion 20A of the reclining handle 20 from the vertically upward position to the front of the vehicle body (in the direction of arrow A in FIG. 2), the pin 32 and the link 34 are rotated forward and connected to the link 34. Since the wire 42 moves upward in the vehicle body, the connecting rod 28 connected to the wire attachment portion 28A rotates upward (in the direction of arrow C in FIG. 2), and the seat back 16 connected to the connecting rod 28 is reclined. The device 25 is unlocked and the seat track locking mechanism is unlocked.
[0021]
Further, as shown in FIGS. 3 and 4, the end of the link 34 on the vehicle body front side is a stopper 34 </ b> C, and the stopper 34 </ b> C comes into contact with the front wall portion 30 </ b> D of the seat back mounting bracket 30, so that the reclining is performed. The rotation angle of the handle 20 toward the vehicle body front side is limited. The reclining handle 20 is returned to the upper stop position (position in FIG. 3) by an urging means (not shown).
[0022]
Next, the operation of this embodiment will be described.
[0023]
In the present embodiment, when the user gets on the rear seat through the door opening 12, the rider rotates the operation portion 20A of the reclining handle 20 from the vertically upward position to the front of the vehicle body (in the direction of arrow A in FIG. 2). Thus, the pin 32 and the link 34 rotate forward of the vehicle body, and the wire 42 connected to the link 34 moves upward of the vehicle body. As a result, the connecting rod 28 in which the wire 42 is connected to the wire attachment portion 28A rotates upward (in the direction of arrow C in FIG. 2), and the reclining device 25 of the seat back 16 connected to the connecting rod 28 is unlocked. At the same time, the lock mechanism of the seat track is also released.
[0024]
For this reason, the rider moves the operation portion 20A of the reclining handle 20 from the vertically upward position to the front of the vehicle body, so that the seat back 16 is moved from the normal use position (the position of the solid line in FIG. Rotate in the direction of arrow B in FIG. 1 and move to the forward tilt position (the position of the two-dot chain line in FIG. 1), and the entire seat 14 moves from the normal use position (the position of the solid line in FIG. 1) to the front of the vehicle body. Slide in the direction of arrow D in FIG. 1 and move to the walk-in position (the position of the two-dot chain line in FIG. 1).
[0025]
Therefore, in this embodiment, since the operation direction of the operation part 20A of the reclining handle 20 and the walk-in operation direction of the seat 14 coincide with each other, the person who gets on the rear seat from the door opening 12 performs the operation extremely. With only one operation of operating the reclining handle 20 to the front side of the vehicle body while holding the operation portion 20A of the reclining handle 20 disposed on the upper portion 16B of the vehicle width direction outer side wall 16A of the seat back 16 which is an easy position, The seat back 16 can be moved forward, and the seat 14 can be easily moved to the walk-in position. For this reason, the operativity of the walk-in mechanism with respect to the person who gets in a back seat from the door opening part 12 can be improved.
[0026]
Furthermore, in the present embodiment, the seat back 16 can be easily moved forward by rotating the operation portion 20A of the reclining handle 20 from the vertically upward position to the front of the vehicle body. The assist spring used can be abolished.
[0027]
Further, in this embodiment, the connecting means is constituted by the link 34 fixed to the pin 32 of the reclining handle 20 and the wire 42 connected to the link 34, so that the apparatus can be simplified without taking up space in the seat. .
[0028]
Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to such embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in the above embodiment, the seat back mounting bracket 30 for attaching the reclining handle 20 to the side frame 24 of the seat back 16 is used, but instead, the reclining handle 20 is directly attached to the side frame 24 of the seat back 16. It is good also as an attached structure.
[0029]
【The invention's effect】
The vehicle seat of the present invention according to claim 1, is supported by a rotating shaft disposed toward the Oite vehicle width direction on the top of the vehicle width direction outer side wall of the seat back, the vehicle width direction outer side of the seat back A reclining handle in which an operation part arranged vertically upward at a position separated from the side wall is rotatable in the longitudinal direction of the vehicle body, a connecting rod that connects and operates a reclining device attached to the left and right of the seat in synchronization, And a connecting means for connecting the reclining handle and the connecting rod, and the reclining device is unlocked via the connecting means and the connecting rod by rotating the operation portion of the reclining handle from the vertically upward position to the front of the vehicle body. together, sea by the operation of rotating the operation section of the reclining handle to the front side of the vehicle body Since the sheet by moving the position inclined forward from the back vertical position can be moved to the front of the vehicle body as it is excellent that can improve the operability of the walk-in mechanism for the person riding the door opening at the rear of the seat It has the effect.
[0030]
The invention according to claim 2 is the vehicle seat according to claim 1, wherein the connecting means is a link fixed to the rotating shaft of the reclining handle and a wire connected to the link. In addition, it has an excellent effect that the apparatus can be simplified.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a part of a vehicle body to which a vehicle seat according to an embodiment of the present invention is applied, as seen from the obliquely forward outer side of the vehicle body.
FIG. 2 is a perspective view showing a part of a vehicle seat according to an embodiment of the present invention, as seen from the obliquely forward outer side of the vehicle body.
FIG. 3 is a perspective view showing a reclining handle for a vehicle seat according to an embodiment of the present invention, as seen from the obliquely forward outer side of the vehicle body.
FIG. 4 is an exploded perspective view showing a reclining handle for a vehicle seat according to an embodiment of the present invention, as seen from the obliquely forward outer side of the vehicle body.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Car body side wall part 12 Door opening part 14 Seat 16 Seat back 16A Outer side wall 20 of a seat back in the vehicle width direction Reclining handle 28 Connecting rod 30 Bracket 32 Pin (rotating shaft)
34 Link (connecting means)
36 pin support bracket 42 wire (connection means)

Claims (2)

It is supported by a rotating shaft disposed toward the Oite vehicle width direction on the top of the vehicle width direction outer side wall of the seat back, which is arranged vertically upwards to a position spaced from the outside in the vehicle width direction side wall of the seat back A reclining handle whose operation part can be rotated in the longitudinal direction of the vehicle body ,
Connecting rods that connect and operate reclining devices attached to the left and right of the seat in synchronization;
And connecting means for connecting the connecting rod and the reclining handle,
Have
By rotating the operation part of the reclining handle from the vertically upward position to the front of the vehicle body, the reclining device is unlocked via the connecting means and the connecting rod, and the operation part of the reclining handle is moved to the vehicle body front side. A vehicle seat characterized in that the seat can be moved forward as it is by moving the seat back to a position inclined forward from a vertical position by an operation of rotating to the front.   The vehicle seat according to claim 1, wherein the connecting means is a link fixed to a rotating shaft of the reclining handle and a wire connected to the link.

Images