JPH07165012A - Car seat - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an automobile seat in which the position where the shoulder belt passes can be adjusted according to the sitting height of adults and children of adults. A seat cushion 1 mounted to the vehicle body 12 so as to be movable to the left and right, and a seat back 2 arranged at a rear portion of the seat cushion 1 and fixed to the vehicle body 12, A first link 3 in which one end 31 is rotatably supported on the lower part of the back 2 so as to be rotatable left and right and the other end 32 is projected from a shoulder 24 of the seat back 2.
And one end portion 41 is vertically provided at a lower portion of the seat back 2, the one end portion 41 is engaged with a rear portion of the seat cushion 1, and the other end portion 42 is at the first link 3
The second link 4 axially supported in the long hole 33 of the first link 3 and the belt guide 5 fixed to the other end 32 of the first link 3 and having a shoulder belt inserted therein. thing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile seat structure.

[0002]

2. Description of the Related Art As a structure of a conventional automobile seat, for example, as shown in FIG. 5 (see JP-A-1-229744), a seat back 100 and a seat cushion 10 are provided.
1 and a belt guide 103 provided on a shoulder 102 of the seat back 100, and a tongue 1 of a three-point seat belt 105 whose one end is fixed to a parcel shelf 104.
06 is detachable from a predetermined belt buckle 107 via the belt guide 103.

[0003]

However, in the structure of the conventional automobile seat, as shown in FIG. 6, both the adult 108 having a high sitting height and the child 109 having a low sitting height are provided with the belt guide 103 at the same position. Seat belt 10
As the child 109 is worn, in the case of the child 109, the seat belt 105 may approach the face or neck of the child 109. Therefore, the present invention has been made in view of the above points, and an object thereof is to adjust the position where the shoulder belt passes in accordance with the sitting height of adults for adults and children for children. It provides a flexible car seat.

[0004]

As a vehicle seat according to claim 1 of the present invention, a seat cushion mounted so as to be movable left and right with respect to a vehicle body, and a seat cushion disposed at the rear portion of the seat cushion and with respect to the vehicle body. A seat back that is fixedly attached to the seat back, one end of which is rotatably supported at the lower part of the seat back so as to be rotatable left and right and the other end of which is projected from a shoulder portion of the seat back; A second one in which one end is vertically provided at a lower portion of the seat back, the one end is engaged with a rear portion of the seat cushion, and the other end is pivotally supported in the elongated hole of the first link. It is characterized in that it is constituted by a link and a belt guide which is fixed to the other end of the first link and through which a shoulder belt can be inserted. In the vehicle seat according to claim 2 of the present invention, the seat cushion is provided with a belt buckle which is divided into left and right and which is provided with a shoulder belt which is disposed via the belt guides at the left and right central ends thereof. It is characterized by being installed.

[0005]

[Operation] According to the automobile seat of claim 1 of the present invention,
When an occupant seated on the seat cushion moves the seat cushion left and right with respect to the vehicle body, the second link engaged with the rear portion of the seat cushion moves together with the seat cushion relative to the seat back, and the movement causes the first link. Since the inclination angle of the belt changes and the position of the belt guide changes, the position where the shoulder belt passes should be the appropriate position according to the sitting height of adults for adults and children for children. You can According to the vehicle seat of claim 2 of the present invention, since the shoulder belt can be suspended from the belt guide on the belt buckle, the position where the shoulder belt passes is set to the sitting height of adults for adults and children for children. In addition, the position where the shoulder belt passes can be set to an appropriate position.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. A structure of a vehicle seat according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. In the figure, 1 is a seat cushion, 2 is a seat back, 3 is a first link, 4 is a second link, and 5 is a belt guide. The seat cushion 1 includes a cushion main body 11 and a slide device 13 that supports the cushion main body 11 and is mounted on a rear floor panel 12 as a vehicle body so as to be movable left and right. The slide device 13 is provided with a lock device and a lock-off device (both not shown). The seat back 2 is arranged behind the cushion body 11 of the seat cushion 1 and is fixed to a rear floor panel 12 or a seat back panel 21 as a vehicle body. The first link 3 is protruded from one end 31 rotatably supported by a frame 22 below the seat back 2 via a pin 23 and an opening 25 of a shoulder 24 of the seat back 2. And the other end portion 32. The opening 25 is formed to have a length corresponding to the movement allowance of the other end portion 32 of the first link 3. The second link 4 is vertically provided below the seat back 2 and is engaged with a hole 16 of a frame 15 made of an iron plate arranged on a rear portion 14 of the cushion body 11 of the seat cushion 1. It comprises one end portion 41 and the other end portion 42 axially supported by a pin 43 in the elongated hole 33 of the first link 3.

The belt guide 5 has the first link 3
It is a closed-loop member that is fixed to the other end 32 and has an opening 51 through which the shoulder belt 6 can be inserted. The seat cushions 1 and 1 are belts that are divided into left and right and tongue plates (not shown) of shoulder belts 6 that are disposed at end portions 17 and 17 on the left and right center sides via belt guides 5 are detachable. Buckles 7 and 7 are arranged respectively. According to the vehicle seat structure of this embodiment, when the occupant 8 or 9 seated on the seat cushions 1 and 1 moves the seat cushions 1 and 1 to the left and right with respect to the vehicle body, the rear portions 14 of the seat cushions 1 and 1 are removed. The second link 4 engaged with the hole 16 of the frame 15 moves together with the seat cushions 1 and 1 with respect to the seat back 2, and the tilt angle of the first link 3 changes due to the movement, and the position of the belt guide 5 changes. As the shoulder belt 6 passes through, the shoulder belt 5 passes through an appropriate position according to the sitting height of the adult occupant 8 for the adult occupant 8 and the child occupant 9 for the child occupant 9. Can be Further, since the shoulder belt 6 can be suspended from the belt guide 5 on the belt buckle 7, as shown in FIG.
The passage position of the shoulder belt 6 should be an appropriate position for the adult occupant 8 according to the sitting height of the adult occupant 8 and the child occupant 9 of the child occupant 9. You can

[0008]

As described above, the automobile seat according to claim 1 of the present invention includes a seat cushion mounted so as to be movable left and right with respect to the vehicle body, and a seat cushion disposed at the rear portion of the seat cushion and attached to the vehicle body. A first link having a seat back fixed to the seat back, one end of which is rotatably supported by the lower portion of the seat back so as to be rotatable left and right, and the other end of which protrudes from a shoulder portion of the seat back. A first end formed so as to extend vertically from a lower portion of the seat back, the one end engaged with a rear portion of the seat cushion, and the other end pivotally supported in an elongated hole of the first link; The occupant seated on the seat cushion has two links and a belt guide fixed to the other end of the first link and having a shoulder belt inserted therein. Is When the toe cushion is moved to the left and right with respect to the vehicle body, the second link engaged with the rear portion of the seat cushion moves together with the seat cushion with respect to the seat back, and the movement changes the tilt angle of the first link. Since the position of the guide changes, the position where the shoulder belt passes, the practical effect that the position where the shoulder belt passes can be set to an appropriate position according to the sitting height of adults for adults and children for children. Have. In the vehicle seat according to claim 2 of the present invention, the seat cushion is provided with a belt buckle which is divided into left and right and which is provided with a shoulder belt which is disposed via the belt guides at the left and right central ends thereof. Since the shoulder belt can be suspended from the belt guide on the belt buckle because it is characterized by being installed, the position where the shoulder belt passes depends on the sitting height of adults for adults and children for children. In addition, there is a practical effect that the position where the shoulder belt passes can be set to an appropriate position.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a vehicle seat according to an embodiment of the present invention.

FIG. 2 is a perspective explanatory view after assembly of FIG.

FIG. 3 is a vertical cross-sectional view of FIG.

FIG. 4 is a diagram for explaining the operation of FIG.

5 is a view corresponding to FIG. 2 of a conventional example.

FIG. 6 is an explanatory view of the operation of FIG.

[Explanation of symbols]

 1 Seat Cushion 2 Seat Back 3 1st Link 4 2nd Link 5 Belt Guide 6 Shoulder Belt 7 Belt Buckle 12 Rear Floor Panel as Vehicle Body 24 Seat Back Shoulder 31 One End of First Link 32 Other End of First Link 33 first link elongated hole 41 second link one end 42 second link other end

Claims (2)

[Claims] 1. A lower part of the seat back, which comprises a seat cushion movably mounted to the left and right of the vehicle body, and a seat back arranged at a rear portion of the seat cushion and fixed to the vehicle body. A first link in which one end is rotatably supported in the left-right direction and the other end is projected from a shoulder portion of the seat back, and the one end is vertically provided at a lower portion of the seat back and the one end is provided. Is engaged with the rear portion of the seat cushion, and the other end is pivotally supported in the elongated hole of the first link;
A vehicle seat, which is fixed to the other end of the link and is constituted by a belt guide into which a shoulder belt can be inserted. 2. The seat cushion is provided with a belt buckle which is divided into left and right parts, and at which shoulder belts, which are arranged via a belt guide, are detachably engageable at respective left and right center side ends. Car seats.