JP2002219976A - Bracket structure for fixation of child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress the tilt of a child seat when a lateral load is applied. SOLUTION: A projection 46 protruding to the floor 10 is elongated at each end of a wire 14 constituting a coupling part 18 of a CRS fixing bracket 12. Accordingly when a lateral load is applied to a CRS due to lateral collision, etc., of the vehicle concerned, the projection(s) 46 abuts to the floor 10 to serve as a brace, and the tilt of the child seat 20 can be suppressed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bracket structure for fixing a child seat, and more particularly to a bracket structure for fixing a child seat provided on a seat of a vehicle such as an automobile.

[0002]

2. Description of the Related Art Conventionally, as an example of a child seat fixing bracket structure for fixing a child seat provided on a seat of a vehicle such as an automobile, a configuration as shown in Japanese Utility Model Laid-Open No. 4-98628 is known. Have been.

[0003] As shown in FIG. 7, in this bracket structure for fixing a child seat, a bracket 72 for engaging an end 70A of a mounting and holding belt anchor 70 extending from the child seat to the rear side of the vehicle body is formed on the rear side of the vehicle body. To the rear end cross member 74 via a fixture 76. Further, by arranging the anchor reinforcement 80 as a reinforcing member in the closed cross section of the rear end cross member 74, the deformation of the rear end cross member 74 when a load is applied is suppressed, and the child seat is held at the mounting position. I have.

[0004]

However, in such a bracket structure for fixing a child seat, when a lateral load is applied due to a side collision of a vehicle or the like, the weight of the child seat and the weight of the child occupant sitting on the child seat when the lateral load is applied. Then, a moment is generated to rotate the child seat in the vehicle width direction. As a result, a downward load is generated at a portion on the side where the lateral load is applied, and an upward load is generated at a portion opposite to the side where the lateral load is applied, in the portion where the child seat is attached to the floor. Therefore, it is considered that the child seat fixing bracket is deformed by these loads, and the child seat is inclined in the vehicle width direction. As a related prior art, there is JP-A-7-89384.

The present invention has been made in consideration of the above-described circumstances, and has as its object to obtain a child seat fixing bracket structure capable of suppressing the inclination of a child seat when a lateral load is applied.

[0006]

According to a first aspect of the present invention, there is provided a child seat fixing bracket structure according to the present invention, comprising: a child seat fixing bracket provided with a connecting portion for connecting a child seat; A projection formed on the bracket and protruding toward the floor.

Therefore, when a lateral load acts on the child seat due to a side collision of the vehicle, the child seat tends to incline in the lateral load acting direction. At this time, at a portion of the bracket where a downward load is generated on the side of the lateral load acting, the convex portion formed on the bracket and protruding toward the floor comes into contact with the floor and becomes a stick bar. As a result, when a lateral load is applied, the inclination of the child seat can be suppressed.

According to a second aspect of the present invention, in the child seat fixing bracket structure according to the first aspect,
The projection is protruded to the opposite side to the mounting portion.

Therefore, in addition to the contents described in claim 1,
When the child seat fixing bracket is inclined to the side opposite to the mounting portion, the convex portion protruding to the side opposite to the mounting portion comes into contact with the floor and becomes a bar. As a result, the inclination of the child seat to the side opposite to the mounting portion can be effectively suppressed.

The present invention described in claim 3 provides the first and second aspects.
In the bracket structure for fixing a child seat according to any one of the above, the convex portion is formed by extending a wire forming the connecting portion.

Therefore, in addition to the contents described in any one of the first and second aspects, it is only necessary to extend the wire, so that an inexpensive configuration can be achieved.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a bracket structure for fixing a child seat according to the present invention will be described with reference to FIGS.

In the drawings, an arrow FR indicates a forward direction of the vehicle body, an arrow UP indicates an upward direction of the vehicle body, and an arrow IN indicates an inner side in the vehicle width direction.

As shown in FIG. 1, in the present embodiment, a bracket 12 for fixing a child seat (hereinafter referred to as "CRS") is fixed to the side surface (upper surface) 10A of the vehicle interior, which is one side of the floor 10. . The CRS fixing bracket 12 includes a wire 14 extending along the vehicle width direction.
And plate members 16 arranged at both ends of the wire 14.

As shown in FIG. 2, at both ends of the wire 14, a connecting portion 18 bent in a U-shape is formed.
As shown in FIG.
A connector 22 provided at the lower rear end of the connector 20 is connectable. Reference numeral 24 shown in FIG. 3 indicates a guide cap that serves as a guide when the connector 22 is inserted between the seat cushion 26A of the rear seat 26 and the seat back 26B.

As shown in FIG. 2, concave portions 16A are formed at both ends in the vehicle width direction of the respective plate members 16 so as to extend in the vertical direction with the opening portions facing forward. Are inserted and welded, respectively. Also, at the lower end of the plate 16,
A mounting portion 16B is formed substantially toward the rear of the vehicle,
A mounting hole 30 is formed substantially at the center of the mounting portion 16B. Reference numeral 31 in FIG. 2 indicates a hole formed for reducing the weight of the plate 16.

As shown in FIG. 3, a portion of the floor 10 overlapping the mounting hole 30 of the mounting portion 16B is provided with a mounting hole 3
2 are drilled. Further, a reinforcing plate 34 having a rectangular shape in a plan view is welded to a portion of the floor 10 to which the mounting portion 16B is fixed on the vehicle outer surface (lower surface) 10B side, and a mounting hole 36 is formed in the reinforcing plate 34. Have been.

The mounting portion 16 of the CRS fixing bracket 12
B mounting hole 30, floor 10 mounting hole 32 and reinforcing plate 3
A bolt 40 is inserted into the fourth mounting hole 36 from the vehicle interior side, and the bolt 40 is screwed into a nut 42 fixed to the lower surface 34 </ b> A of the reinforcing plate 34.

As shown in FIG. 2, projecting portions 46 protruding toward the floor 10 are extended at both ends of the wire 14. In the present embodiment, the protrusion 46 is attached to the mounting portion 1.
6B, that is, it protrudes toward the front of the vehicle body.

Therefore, in the present embodiment, when the CRS fixing bracket 12 is about to fall forward (in the direction of the arrow A in FIG. 3), the convex portion formed on the CRS fixing bracket 12 and protruding toward the floor 10. 46 comes into contact with the floor 10 and becomes a stick.

Next, the operation of the present embodiment will be described.

As shown in FIG. 4, when a lateral load F acts on the CRS 20 due to a side collision of the vehicle or the like, the CRS 20
Due to the weight of the CRS 20 and the weight of the child occupant sitting on the CRS, a moment (arrow M in FIG. 4) for rotating the CRS 20 in the vehicle width direction is generated. As a result,
A portion of the CRS fixing bracket 12 serving as an attachment portion of the CRS 20 to the floor 10 on a side where the collision load F is applied;
That is, a downward load F1 is generated in the left connecting portion 18 in FIG. 4, and an upward load F2 is generated in a portion opposite to the side on which the collision load F acts, that is, in the right connecting portion 18 in FIG. Occurs, the CRS 20 attempts to incline from the initial position indicated by the solid line in FIG.

At this time, in this embodiment, the downward load F
In the left connecting portion 18 in FIG. 4 where 1 occurs,
The protrusion 46 of the CRS fixing bracket 12 shown in FIG.
Comes into contact with the floor 10 and becomes a stick. As a result,
When a lateral load acts on the CRS 20 due to a side collision of the vehicle or the like, the CRS fixing bracket 12 is moved forward (arrow A in FIG. 3).
Direction), and the inclination of the CRS 20 can be suppressed.

In the present embodiment, since the convex portion 46 protrudes forward of the vehicle body on the opposite side to the mounting portion 16B, the convex portion 46 can effectively suppress the forward tilt of the CRS 20.

Further, in the present embodiment, when forming the convex portion 46, it is only necessary to extend the wire 14 constituting the connecting portion 18, so that the configuration can be made inexpensive.

Further, in the present embodiment, since the convex portions 46 are formed on both right and left ends of the wire 14, respectively, the CRS fixing brackets 12 are provided on both the left and right sides of the floor 10.
Can be used in common, and the inclination of the CRS 20 can be suppressed in the event of a side collision from either the left or right side. In addition, a configuration in which the convex portion 46 is formed only at the end portion of the wire 14 on the outer side in the vehicle width direction may be adopted.

In the above, the present invention has been described in detail with respect to a specific embodiment. However, the present invention is not limited to such an embodiment, and various other embodiments are included in the scope of the present invention. It is clear to a person skilled in the art that is possible. For example, in the above embodiment, as shown in FIG. 2, the convex portions 46 formed at both ends of the wire 14 protrude toward the front of the vehicle body, but the CRS 20 is moved from the initial position shown by the solid line in FIG. In order to suppress the inclination in the indicated inclination position direction, as shown in FIG. 5, a configuration in which the convex portion 46 is projected in the vehicle width direction may be adopted. Further, as shown in FIG. 6, a configuration may be employed in which the convex portion 46 projects obliquely forward in the vehicle width direction. Further, a mounting portion 16B may be formed at the lower end portion of the plate member 16 substantially toward the front of the vehicle, and the convex portion 46 of the wire 14 may protrude toward the rear side of the vehicle body.

Further, in the above embodiment, the convex portion 46 is formed by extending the wire 14, but a portion of the plate 16 provided at both ends of the wire 14 is extended to project toward the floor 10. A part may be formed.

The bracket structure for fixing a child seat according to the present invention is applicable to all seats such as a front seat and a rear seat.

[0030]

According to the first aspect of the present invention, the bracket structure for fixing a child seat according to the present invention is formed on a bracket for fixing a child seat, comprising a connecting portion for connecting a child seat and a mounting portion for attaching to a floor. Since it has a convex portion protruding toward the floor, it has an excellent effect that the inclination of the child seat can be suppressed when a lateral load is applied.

According to a second aspect of the present invention, in the child seat fixing bracket structure according to the first aspect,
Since the convex portion protrudes on the side opposite to the mounting portion, in addition to the effect described in claim 1, there is an excellent effect that the inclination of the child seat to the side opposite to the mounting portion can be effectively suppressed.

The present invention described in claim 3 provides the first and second aspects.
In the bracket structure for fixing a child seat according to any one of the first to third aspects, the convex portion is formed by extending a wire forming the connecting portion. It has an excellent effect.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a bracket structure for fixing a child seat according to an embodiment of the present invention, as viewed from an obliquely front inner side of a vehicle body.

FIG. 2 is a perspective view showing a bracket for fixing a child seat according to one embodiment of the present invention, as viewed obliquely from the rear inside the vehicle body.

FIG. 3 is a side sectional view showing a bracket structure for fixing a child seat according to an embodiment of the present invention.

FIG. 4 is a schematic front view showing a child seat fixing bracket structure according to an embodiment of the present invention.

FIG. 5 is a perspective view showing a bracket for fixing a child seat according to another embodiment of the present invention, as viewed obliquely from the rear inside the vehicle body.

FIG. 6 is a perspective view of a bracket for fixing a child seat according to another embodiment of the present invention, viewed from diagonally rear inner side of the vehicle body.

FIG. 7 is a side sectional view showing a bracket structure for fixing a child seat according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Floor 12 Bracket for fixing child seat 14 Wire 16 Plate material 16B Mounting part of bracket for fixing child seat 18 Connection part of bracket for fixing child seat 20 Child seat 46 Convex part of bracket for fixing child seat

Claims (3)

[Claims] 1. A connecting portion for connecting a child seat,
A bracket for fixing a child seat, comprising: a bracket for fixing a child seat, comprising: a mounting portion attached to a floor; and a projection formed on the bracket and protruding toward the floor. 2. The bracket structure for fixing a child seat according to claim 1, wherein the convex portion protrudes to a side opposite to the mounting portion. 3. The bracket structure for fixing a child seat according to claim 1, wherein the convex portion is formed by extending a wire forming the connecting portion.