JP2706606B2 - Car seat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat, and more particularly to a vehicle seat for protecting a seated occupant against external input due to a side collision.

[0002]

2. Description of the Related Art Japanese Patent Application No.
An example is disclosed in JP-A-3-43378 (JP-B-61-35017). That is, as a side collision protection system for an automobile, a first plastically deformable first panel between an outer panel and an inner panel in a region having substantially the same height as a bumper of an automobile.
An energy absorbing member as a reinforcing member is disposed, and is built in a vehicle seat in a region having substantially the same height as the energy absorbing member and is disposed laterally with respect to the vehicle,
A second reinforcing member configured to transmit the load to the floor of the vehicle and the opposite body side or door after the pressed body side or door is deformed to some extent.

[0003]

However, such an automobile seat has a problem in getting on and off because the energy absorbing member as the first reinforcing member extends in the vehicle width direction. Further, when an automobile or the like collides with the subject vehicle, particularly a vehicle body side wall portion such as a door on the side of the driver's seat, from outside at a substantially right angle (hereinafter, simply referred to as “side collision”), a seat of a floor panel supporting an automobile seat. When the sliding device moves inward due to bending, the sliding device may be unlocked due to its inertial force, and an improvement is desired. Therefore,
SUMMARY OF THE INVENTION The present invention provides a vehicle seat that protects the living space of a seated occupant by reliably transmitting the impact load to the opposite side during a side collision, and that does not release the lock of the sliding device even if the floor panel buckles. The purpose is to do so.

[0004]

Means for Solving the Problems] automobile seat of a first aspect of the invention, outer and inner respectively of the vehicle against the floor panel
Fixed to a fixed rail and a seat cushion frame which are separately fixed and slid with respect to the fixed rail
With a sliding device consisting of a movable rail and an engaging hole
And is fixed to a fixed rail outside the sliding device.
An engaging member and a claw member capable of being engaged with an engaging hole of the engaging member.
Or the engagement of the claw member with the engagement hole or the engagement hole
The movable rail can be prevented or slid by disengagement
And a movable lever outside the sliding device.
An automobile seat having a lock operation means fixed to the seat cushion ,
A reinforcement member that extends in the vehicle width direction is
A load input member is provided at the outer end of the reinforcing member .
Not provided adjacent to the inside of the claw member of the
A load output member is disposed at a position near the tunnel portion of the floor panel at an inner end of the reinforcing member .

[0005]

According to this structure, the load input in accordance with the side collision is once input to the seat cushion frame by the load input member of the first reinforcing member, and is applied to the floor panel via the mounting means holding the seat cushion frame. The load input member of the first reinforcing member slides even if the sliding device is moved by a lateral moving force acting on the sliding device by the first reinforcing member by dispersing in the tunnel portion. Since the height is substantially the same as the height of the device, the movement of the lock operation means is prevented, and the lock of the lock device does not come off.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. 1 to 6, the vehicle seat 1 includes an attaching means 2, a sliding device 3, a lock operating means 4, a locking device 5, a first reinforcing member 6, and a second reinforcing member 7. Have. The mounting means 2 includes a front bracket 13 which is spaced apart in the front-rear direction from a floor panel 10 as a vehicle body via a cross member 11 and a protrusion 12 and is juxtaposed in the vehicle width direction by bolts 13a and 14a; It consists of 14.

The sliding device 3 includes fixed rails 21 and 22 fixedly mounted on the front bracket 13 and the rear bracket 14 as the mounting means 2 and the side portions 8a and 8b of the pan-shaped seat cushion frame 8, respectively. And a fixed rail 21.
Movable rail 23 mounted to be slidable back and forth with respect to 22
24, and a ball 25 and a roller 26 rotatably interposed between the two rails 21 22 and 23 24.

One of the fixed rails 21 has a substantially U-shaped cross section and both ends face outward, and the other fixed rail 22 has a substantially U-shaped cross section and both ends have an inverted U shape inside. It is bent. One of the movable rails 23 has a substantially U-shaped cross section and both ends face inward, and the other movable rail 24 has a substantially inverted T-shaped cross section and both ends face upward. Have been.

The lock operation means 4 includes an operation rod 32
, A first claw member 33, an urging means 34, a remote control bracket 35, a second claw member 36, and a wire 37. The operation rod 32 is connected to the one movable rail 23.
Is rotatably supported via a bracket 31.
It has a knob 32a on the front side. The first claw member 33 protrudes from the operation rod 32 and is connected to the one fixed rail 2.
The first movable rail 23 has a strength to prevent the one movable rail 23 from sliding back and forth with respect to the one fixed rail 21 in a state in which the movable rail 23 can be disengaged and disengaged from a lock device 5 described later.

The biasing means 34 is a coil-shaped spring which constantly biases the first claw member 33 in a direction in which the first claw member 33 is engaged with the lock device 5. The remote control bracket 35 is fixedly provided so as to protrude from the operation rod 32 and is interlocked with the operation rod 32. The second claw member 36 is supported by the other movable rail 24 and is connected to the other fixed rail 2.
The second movable rail 24 has a strength that prevents the movable rail 24 from sliding back and forth with respect to the other fixed rail 22 in the engaged state.

The wire 37 has a function of connecting the remote control bracket 35 and the second claw member 36 to transmit the movement of the remote control bracket 35 to the second claw member 36. The lock device 5 is provided with the fixed rails 21 and 2.
An engagement member 41 formed to project laterally from 2;
The first and second claw members 33 and 36 are formed with engagement holes 42 such as a plurality of rectangular through holes so that the first and second claw members 33 and 36 can be disengaged and disengaged from the engagement member 41.

The first reinforcing member 6 is vertically fixed to a pipe-shaped main body 51 erected below the seat cushion frame 8 and an end 51a of the main body 51 in a direction outside the vehicle. The load input member 52 is fixed vertically to an end 51b of the main body 51 which extends to a position close to a vertical member 71 of a second reinforcing member 7 which will be described later and which is fixed inward of the vehicle. The load output member 53 is provided.

The load input member 52 is connected to the sliding device 3.
Of the one movable rail 2
3, the height of the floor panel 10
A first member 52a formed in a plate shape having an upper end portion 52a 'at a height substantially equal to the height of the first member 52a, the upper surface of the main body 51 of the first reinforcing member 6 of the first member 52a and the first member 52a. It consists of a rib 52b provided between one member 52a. The second reinforcing member 7 has a substantially inverted L-shaped cross section, a vertical member 71 is fixed to a vertical wall 62 of a tunnel portion 61 of the floor panel 10, and a horizontal member 72 is formed in the tunnel portion 61. Is fixedly mounted on the side wall 63.

The seat cushion frame 8 is formed in a pan shape, and as shown in FIG. 6, each of the bottom surfaces 8 is low on the rear side (right side in FIG. 6) and high on the front side (left side in FIG. 6).
c, and the main body 51 of the first reinforcing member 6 is disposed at a substantially central position in the front-rear direction. Reference numerals 8d and 8e denote pipes fixed to the seat cushion frame 8, and pads 8 arranged on the seat cushion frame 8 as shown in FIG.
1 and are arranged according to design requirements for controlling the shape of the skin 82. Reference numeral 9a denotes a seat back, 9b denotes a headrest, and 9c denotes a reclining device.

According to the structure of this embodiment, when the other vehicle 91 collides with the vehicle body components such as the door 92 and the side sill member 93 due to the side collision, the input load is reduced to the main body of the first reinforcing member 6. By distributing to the tunnel portion 61 of the floor panel 10 by 51, the living space of the seated occupant can be protected.

In the same state, the sliding device 3
The working movement force to the side, as shown in FIG. 3, the engagement which is formed projecting laterally from the fixed rail 21, 22
Although if member 41 is moved to the position indicated by the two-dot chain line from the position indicated by the solid line, the load input member 52 locking means 4
Of the load input member 52 even if the first claw member 33 of the sliding device 3 is rotated by inertial force. The first claw member 33 interferes with the member 52a, and prevents further rotation.
There is no disconnection from the lock.

[0017]

As it is evident from the foregoing description, an automobile seat of the present invention, spaced people outside and inside respectively of the vehicle against the floor panel
Made slidable relative to fixed to the fixed rail and the seat cushion frame which is fixed and the fixed rail
A sliding device comprising a movable rail; and
An engaging member fixed to a fixed rail outside the sliding device
And a claw member capable of engaging with an engagement hole of the engagement member.
Engagement of the claw member with the engagement hole or disengagement from the engagement hole
To prevent or allow the movable rail to slide.
Controllable and fixed to a movable rail outside the sliding device.
In automotive seat having a locking means formed by a constant, the car to the lower of the seat cushion frame
Extending in the width direction reinforcement member is being bridged comprising the locking operation load input member to the outer end portion of the reinforcing member
The reinforcing member is provided adjacent to the inside of the claw member of the means;
Since the position close to the tunnel portion of the floor panel at the inner end of the member is characterized in that become disposed load output member, de side impact, i.e. the other vehicles of the vehicle
Along with the collision with the vehicle body components such as the side and side sill members , the vehicle body components are moved,
The input impact load is applied to the load input member,
By transmitting it to the load output member and dispersing it in the tunnel section of the floor panel, securing a living space for seated occupants
To the side collision against the claw member of the lock operation means.
Even if a lateral moving force is applied, the lock
The claw member of the lock operation means directly to the load input member
And the rotation and movement of the claw member are prevented.
Therefore, the claw member of the lock operating means is inserted through the engagement hole of the engagement member.
Does not come off and the so-called unlocking does not occur,
There is a practical effect that the sliding device does not slide in spite of not working .

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention, and is a cross-sectional view taken along line AA of FIG.

FIG. 2 is a side view of FIG.

FIG. 3 is an enlarged view according to an arrow B in FIG. 2;

FIG. 4 is a plan view showing a relationship between the sliding device of FIG. 1 and a first reinforcing member.

FIG. 5 is a plan view showing a relationship between the seat cushion frame of FIG. 1 and a first reinforcing member.

FIG. 6 is a side view of FIG. 5;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Vehicle seat 3 Sliding device 4 Lock operation means 8 Seat cushion frame 10 Floor panel 21/22 Fixed rail 23/24 Movable rail 33 First claw member 41 as claw member Engaging member 42 Engaging hole 51 First reinforcement Main body of member 52 Load input member 53 Load output member 61 Tunnel

Claims (1)

(57) [Claims] 1. A outer and inside of the vehicle against the floor panel
The fixed rail is fixed to the seat cushion frame and the sliding rail is fixed to the fixed rail.
It has a sliding device consisting of a movable rail that can move, and an engagement hole.
And is not fixed to a fixed rail outside the sliding device.
Member which can be engaged with an engagement hole of the engagement member.
Or engaging the claw member into the engagement hole or the engagement hole
The sliding of the movable rail is prevented or allowed by
Controllable and movable outside the sliding device
An automobile seat having a lock operation means fixed to a rail , wherein the seat cushion frame extends in a vehicle width direction below the seat cushion frame.
Set by the reinforcing member is being bridged comprising, of the reinforcing member
The load input member is provided at the outer end portion with the claw portion of the lock operating means.
Is provided adjacent to the inside of the material, inside the reinforcing member
A position close to the tunnel portion of the floor panel at the end
A vehicle seat, wherein a load output member is provided .