JP2001219774A - Seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and speedily mount a child seat, to regulate a seat position during usage of the child seat, to stop a reclining operation of a seat back, and to prevent damage of the child seat, the seat back, and an electric driving mechanism. SOLUTION: A limit switch 31 is provided near a striker 21 of a rear frame 13 of a sear frame 12, the limit switch 31 detects that a lock claw 9a of a lock member 9 of the child seat 7 is locked to the striker 21, and based on a detection signal therefrom, the operation of a reclining device is turned off.

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 locker provided on a child seat of a striker for projecting a striker for fixing a child seat to a rear frame of a seat frame. The present invention relates to a vehicle seat in which a nail is locked to fix a child seat.

[0002]

2. Description of the Related Art Conventionally, when a child seat is mounted on a seat cushion of a vehicle seat, a seat belt of the vehicle seat is inserted through an insertion hole provided in a lower portion of the child seat to fix the child seat. Recently, as shown in FIG. 5, a seat cushion 1 is provided to easily attach and fix the child seat quickly.
Rear frame 3 and rear frame 3 of the seat frame 2
A striker 5 for fixing the child seat 7 is protruded upward from a reinforcing frame or the like fixed to the vehicle, and is fixed to the striker 5 by welding such as a pair of left and right. A configuration in which the locking or unlocking is performed has been proposed.

[0003]

However, in the case where the striker 5 is projected upward to the rear frame 3 or the reinforcing frame of the seat frame 2 of the conventional seat cushion 1 and fixed to the left and right by welding or the like, the child seat 7 has When the child seat 7 is not in use, the striker 5 gives the occupant a feeling of foreign matter or a hit, and as shown by an arrow in FIG. 5, the seat back 4 can be rotated back and forth by the reclining device when the child seat 7 is used. Depending on the tilt angle of the seat back 4, the child seat 7 is not stable, and in the case of a so-called power seat provided with an electric drive mechanism, when the reclining device is operated, the child seat 7 or the seat back 4, the electric drive mechanism, and the like are damaged. There is a fear.

SUMMARY OF THE INVENTION It is an object of the present invention to be able to easily and quickly attach a child seat, and to restrict the position of the seat when the child seat is used. In particular, the reclining operation of the seat back can be stopped. It is possible to prevent the back and the electric drive mechanism from being damaged, so that the striker does not have a risk of giving the occupant a foreign object sensation or a hit feeling, and an economically excellent vehicle seat that can improve the appearance. To provide.

[0005]

According to a first aspect of the present invention, there is provided a vehicle seat according to the first aspect, wherein a striker for fixing the child seat to the seat frame protrudes from the seat frame, and a lock provided on the child seat on the striker. In a vehicle seat in which a lock claw of a member is locked and a child seat is fixed, a limit switch is provided near a striker of the seat frame, and the lock claw of the child seat is locked to the striker. Is detected by the limit switch, and the seat position is regulated based on a detection signal from the limit switch.

According to the first aspect of the present invention, the fact that the lock claw of the child seat is locked by the striker is detected by the limit switch, and the seat position is regulated based on the detection signal from the limit switch. It can be mounted well, and damage to the seat back and the like can be prevented.

Further, in the vehicle seat according to the present invention, a striker for fixing the child seat to the seat frame is provided so as to protrude therefrom, and a lock claw of a lock member provided on the child seat is locked to the striker to fix the child seat. In the vehicle seat adapted to be provided, a limit switch is provided in proximity to the striker of the seat frame, the lock switch of the child seat being locked to the striker is detected by the limit switch, and the limit switch is used. The operation of the reclining device is turned off based on the detection signal.

According to the second aspect of the present invention, the fact that the lock claw of the child seat is locked to the striker is detected by the limit switch, and the operation of the reclining device is turned off based on the detection signal from the limit switch. When the child seat is used, the seat back can be prevented from being tilted back and forth by the reclining device, the child seat can be mounted with a sense of stability, and damage to the seat back and the like can be prevented.

Further, in the vehicle seat according to the third aspect, a striker for fixing the child seat to the seat frame is provided so as to protrude, and a lock claw of a lock member provided on the child seat is locked to the striker to fix the child seat. In the vehicle seat adapted to be performed, the vehicle seat has an electric drive mechanism,
The electric drive mechanism is driven based on an operation instruction from a control box, the striker of the seat frame is formed of a conductive member, and the striker is fixed to the seat frame via an insulating plate. And the control box are electrically connected, and the operation instruction of the electric drive mechanism from the control box is turned off based on a detection signal of a lock state in which the lock claw of the child seat is locked to the striker. .

According to the third aspect of the present invention, the vehicle seat has an electric drive mechanism, which is driven based on an operation instruction from a control box, and electrically connects the striker of the seat frame to a conductive member. The striker is fixed to the seat frame via an insulating plate, the striker and the control box are electrically connected, and the lock state where the lock claw of the child seat is locked to the striker is detected. Since the operation instruction of the electric drive mechanism from the control box is turned off based on the signal, a closed circuit can be formed by the striker, the control box and the lock claw of the child seat, and the operation of the reclining device is turned off, or Design position of each part of seat by drive mechanism Ting it is possible to, the child seat to be attached well stability, damage such as seat back or the electric drive mechanism can be prevented.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A vehicle seat according to the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show an embodiment of a vehicle seat according to the present invention.
FIG. 2 is a side view showing a frame structure of a rear portion of a seat cushion of a vehicle seat according to the present invention, and FIG. 2 is a side view showing a frame structure of a rear portion of a seat cushion of a vehicle seat in a locked state of a child seat. Yes,
FIG. 3 is a side sectional view of the seat cushion.

The seat cushion 11 of the vehicle seat is
As shown in FIG. 3, the seat frame 12, the pad material 15 and the pad material 1 attached to the seat frame 12 are provided.
And a skin material 17 that covers the surface 5. In the present embodiment, the present invention is applied to the seat cushion 11, but
The same can be applied to a seat back.

The seat cushion 11 is a seat frame 1
A pair of left and right strikers 21 fixed to the left and right of the rear frame 13 are provided. In addition, this striker 2
1 is formed by bending a steel bar having a diameter of, for example, approximately 6 mm into a crank shape. In addition, the striker 21 can also be provided in a left and right series. In addition, the configurations of the child seat 7, the lock member 9, and the lock claw 9a shown in FIG.

A raised portion 16 is provided at the rear of the pad material 15 of the seat cushion 11. The striker 21 of the rear frame 13 of the seat frame 12 is provided with the raised portion 16 at the rear of the pad material 15 and the skin material 1.
7. Slits 23 and 2 are formed in the raised portion 16 and the skin material 17 at the rear of the pad material 15, respectively.
5 are formed. The slits 23 and 25 are formed as a pair of left and right sides corresponding to the pair of right and left strikers 21, and the width of the slits 23 and 25 is formed to be 20 mm to 25 mm.

As shown in FIGS. 1 and 2, a limit switch 31 is provided near the striker 21 of the rear frame 13 of the seat frame 12. As shown in FIG. 2, when the lock claw 9 a of the child seat 7 is locked by the striker 21, the switch piece 33 of the limit switch 31 causes the lock claw 9 of the lock member 9 to be inserted by the insertion of the lock claw 9 a of the lock member 9. It is adapted to be operated by being pressed by 9a.

The limit switch 31 is connected to a control box (not shown) for driving an electric drive mechanism of the vehicle seat, and is tilted back and forth by a reclining device for a seat back, which is driven based on an operation instruction from the control box, and a seat cushion. The position of the seat such as before, after and after vertical movement is regulated based on a detection signal detected by the limit switch 31.

The pad material 15 of the seat cushion 11
The raised portion 16 at the rear of the pad material 15
It may be formed from a pad material of a different hardness made of harder chip urethane or the like, and the raised portion 16 made of the pad material of a different hardness may be bonded to the rear part of the pad material 15, or may be inserted at the time of foaming the pad material 15. It may be molded.

FIG. 4 shows a different embodiment of the present invention. Parts corresponding to those of the above-described embodiment are denoted by the same reference numerals, and will not be described in further detail. Although omitted, the striker 21 is formed from a member having conductivity, the striker 21 is welded to the conductive panel 21a, and the conductive panel 21a is attached to the insulating plate 35.
And is fixed to the rear frame 13 of the seat frame 12 by bolts 36.

The striker 21 and the control box CB are electrically connected by a harness 37, the left and right lock members 9 of the child seat 7 are electrically connected by a harness 39, and the lock claws 9a of the lock member 9 are engaged. The operation instruction of the electric drive mechanism from the control box CB is turned off based on the detection signal of the stopped locked state. The terminal 37 of the harness 37
a is fixed to the conductive panel 21a by the bolt 36 via a bush 38.

Therefore, a closed circuit can be formed by the striker 21, the control box CB and the lock claw 9a of the lock member 9 of the child seat 7, and the operation of the reclining device or the like is turned off, or each part of the seat is driven by the electric drive mechanism. Can be set to the design position, the child seat 7 can be attached with a sense of stability, and damage to the seat back, the electric drive mechanism, and the like can be prevented.

[0021]

The above is the embodiment of the vehicle seat according to the present invention. According to the vehicle seat according to the first aspect of the present invention, the lock claw of the child seat is locked to the striker. Is detected by the limit switch,
Since the position of the seat is regulated based on the detection signal from the limit switch, the child seat can be mounted with a sense of stability, and damage to the seat back and the like can be prevented.

Further, according to the vehicle seat according to the second aspect of the present invention, it is detected by the limit switch that the lock claw of the child seat is locked to the striker,
Since the operation of the reclining device is turned off based on the detection signal from the limit switch, it is possible to prevent the seat back from tilting back and forth by the reclining device when using the child seat, and to attach the child seat with a stable feeling. In addition, damage to the seat back and the like can be prevented.

Further, according to the vehicle seat of the present invention, the vehicle seat has an electric drive mechanism, and the electric drive mechanism is driven based on an operation instruction from a control box. Forming the striker of the seat frame from a conductive member, fixing the striker to the seat frame via an insulating plate, electrically connecting the striker and the control box, and locking the child seat locking claw to the striker. Since the operation instruction of the electric drive mechanism from the control box is turned off based on the detection signal of the locked state in which the locker is locked, the closed circuit can be configured by the striker, the control box and the lock claw of the child seat, and the reclining device Operation is turned off, or the system is Bets each part can be designed positions of child seat to be attached well stability, damage such as seat back or the electric drive mechanism can be prevented.

According to the present invention, the child seat can be mounted easily and quickly, and the position of the child seat can be regulated when the child seat is used. In particular, the reclining operation of the seat back can be stopped, and the child seat and the seat can be stopped. It is possible to prevent the back and the electric drive mechanism from being damaged, so that the striker does not have a risk of giving the occupant a foreign object sensation or a hit feeling, and an economically excellent vehicle seat that can improve the appearance. Obtainable.

[Brief description of the drawings]

FIG. 1 is an explanatory side view showing a frame configuration of a rear portion of a seat cushion of a vehicle seat according to the present invention.

FIG. 2 is an explanatory side view showing a rear frame configuration of a vehicle seat according to the present invention in a locked state of a child seat.

FIG. 3 is a side sectional view of a seat cushion of the vehicle seat according to the present invention.

FIG. 4 is an exploded perspective view showing another embodiment of the vehicle seat according to the present invention.

FIG. 5 is a side view of a conventional vehicle seat.

[Explanation of symbols]

 7 Child Seat 9 Lock Member 9a Lock Claw 11 Seat Cushion 12 Seat Frame 13 Rear Frame 15 Pad Material 16 Raised Part 17 Skin Material 21 Striker 21a Conductive Panel 23 Slit 25 Slit 31 Limit Switch 33 Switch Piece 35 Insulating Plate 36 Bolt 37 Harness 37a Terminal 38 Bush 39 Harness CB Control box

Claims (3)

[Claims] 1. A vehicle seat in which a striker for fixing a child seat is provided protrudingly from a seat frame, and a lock claw of a lock member provided on the child seat is locked to the striker to fix the child seat. A limit switch is provided in the vicinity of the striker of the seat frame to detect that the lock claw of the child seat is locked to the striker by the limit switch, and regulates a seat position based on a detection signal from the limit switch. A vehicle seat characterized in that: 2. A vehicle seat in which a striker for fixing a child seat is protrudedly provided on a seat frame, and a lock claw of a lock member provided on the child seat is locked to the striker to fix the child seat. A limit switch is provided in the vicinity of the striker of the seat frame, the lock of the child seat is locked to the striker by the limit switch, and the operation of the reclining device is performed based on a detection signal from the limit switch. A vehicle seat in an off state. 3. A vehicle seat in which a striker for fixing a child seat is protrudedly provided on a seat frame, and a lock claw of a lock member provided on the child seat is locked to the striker to fix the child seat. The vehicle seat has an electric drive mechanism, and the electric drive mechanism is driven based on an operation instruction from a control box. The striker of the seat frame is formed from a conductive member. An electric drive mechanism from the control box based on a lock state detection signal in which the striker is locked to the seat frame via an insulating plate, the striker is electrically connected to the control box, and the lock nail of the child seat is locked to the striker. Turn off the operation instruction of Vehicle seat, characterized in that.