JP3607986B2 - Child seat fixing bracket structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a child seat fixing bracket structure, and more particularly, to a child seat fixing bracket structure for fixing a child seat disposed on a seat in a vehicle such as an automobile.
[0002]
[Prior art]
Conventionally, as an example of a child seat fixing bracket structure for fixing a child seat disposed on a seat in a vehicle such as an automobile, a configuration as disclosed in Japanese Utility Model Laid-Open No. 4-98628 is known.
[0003]
As shown in FIG. 7, in this child seat fixing bracket structure, the bracket 72 that engages the end portion 70A of the mounting and holding belt anchor 70 that extends from the child seat to the vehicle body rear side is used as the rear end cross that constitutes the vehicle body rear side. The member 74 is fixed via a fixing tool 76. Further, by arranging an anchor reinforcement 80 as a reinforcing member in the closed cross section of the rear end cross member 74, deformation of the rear end cross member 74 at the time of a load is suppressed, and the child seat is held at the mounting position. Yes.
[0004]
[Problems to be solved by the invention]
However, in such a child seat fixing bracket structure, when a lateral load is applied due to a side collision or the like of the vehicle, the child seat is rotated in the vehicle width direction by the weight of the child seat and the weight of the child occupant seated on the child seat. Is generated. As a result, a downward load is generated at a portion on the side of the lateral load acting side in the attachment portion of the child seat to the floor, and an upward load is generated at a portion opposite to the side of the lateral load acting. For this reason, 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.
[0005]
An object of the present invention is to obtain a child seat fixing bracket structure capable of suppressing the inclination of the child seat when a lateral load is applied in consideration of the above facts.
[0006]
[Means for Solving the Problems]
The child seat fixing bracket structure according to the first aspect of the present invention is a child seat fixing bracket including a connecting portion for connecting a child seat, and an attachment portion attached to a floor.
A convex portion formed on the bracket and projecting toward the floor;
Have a, the convex portion is characterized by formed by extending the wires that comprise the connecting portion.
[0007]
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, in a portion on the side of the lateral load acting side in the bracket where a downward load is generated, a convex portion formed on the bracket and projecting toward the floor comes into contact with the floor and becomes a holding rod. As a result, the child seat can be prevented from tilting when a lateral load is applied. Moreover, since it is only necessary to extend the wire, an inexpensive configuration can be achieved.
[0008]
According to a second aspect of the present invention, in the child seat fixing bracket structure according to the first aspect, the convex portion protrudes on the side opposite to the attachment portion.
[0009]
Therefore, in addition to the contents of claim 1, when the child seat fixing bracket is inclined to the side opposite to the mounting part, the protruding part protruding to the side opposite to the mounting part comes into contact with the floor and is a holding rod. It becomes. As a result, the inclination to the opposite side to the attachment part of a child seat can be suppressed effectively.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a child seat fixing bracket structure according to the present invention will be described with reference to FIGS.
[0013]
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 direction inner side.
[0014]
As shown in FIG. 1, in the present embodiment, a child seat (hereinafter referred to as “CRS”) fixing bracket 12 is fixed to a vehicle interior side surface (upper surface) 10 </ b> A which is one surface side of the floor 10. The CRS fixing bracket 12 includes a wire 14 extending along the vehicle width direction and plate members 16 disposed at both ends of the wire 14.
[0015]
As shown in FIG. 2, connecting portions 18 bent in a U-shape are formed at both ends of the wire 14, and these connecting portions 18 include a lower portion of the rear end of the CRS 20 as shown in FIG. The connector 22 provided in the can be connected. 3 denotes 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.
[0016]
As shown in FIG. 2, at both ends in the vehicle width direction of each plate member 16, recesses 16A extending in the vertical direction with the opening portions directed forward are formed, and a pair of left and right in the connecting portion 18 is formed in these recesses 16A. The lower portions 18A are inserted and welded. Further, a mounting portion 16B is formed at the lower end portion of the plate member 16 substantially toward the rear of the vehicle, and a mounting hole 30 is formed at a substantially central portion of the mounting portion 16B. In addition, the code | symbol 31 in FIG. 2 has shown the hole formed in order to reduce the weight of the board | plate material 16. As shown in FIG.
[0017]
As shown in FIG. 3, a mounting hole 32 is formed in a portion of the floor 10 that overlaps the mounting hole 30 of the mounting portion 16 </ b> B. In addition, a reinforcing plate 34 having a rectangular shape in plan view is welded to a portion of the floor 10 that fixes the mounting portion 16B on the vehicle exterior side surface (lower surface) 10B side, and a mounting hole 36 is formed in the reinforcing plate 34. Has been.
[0018]
Bolts 40 are inserted into the mounting holes 30 of the mounting portions 16B of the CRS fixing bracket 12, the mounting holes 32 of the floor 10, and the mounting holes 36 of the reinforcing plate 34 from the vehicle interior side. Are screwed into a nut 42 fixed to the lower surface 34A.
[0019]
As shown in FIG. 2, convex portions 46 projecting toward the floor 10 are extended at both ends of the wire 14. In the present embodiment, the convex portion 46 protrudes on the opposite side of the mounting portion 16B, that is, on the front side of the vehicle body.
[0020]
Therefore, in this embodiment, when the CRS fixing bracket 12 is about to fall forward (in the direction of arrow A in FIG. 3), the convex portion 46 formed on the CRS fixing bracket 12 and projecting toward the floor 10 is the floor. 10 comes into contact with 10 and becomes a stick.
[0021]
Next, the operation of this embodiment will be described.
[0022]
As shown in FIG. 4, when a lateral load F acts on the CRS 20 due to a vehicle side collision or the like, the CRS 20 will rotate the CRS 20 in the vehicle width direction by the weight of the CRS 20 and the weight of the child occupant seated on the CRS. Is generated (arrow M in FIG. 4). As a result, a downward load F1 is generated at the part on the working side of the collision load F in the CRS fixing bracket 12 serving as a mounting portion of the CRS 20 to the floor 10, that is, the left connecting portion 18 in FIG. An upward load F2 is generated at a portion on the opposite side of the collision load F acting side, that is, the right side connecting portion 18 in FIG. 4, and the CRS 20 is shown by a two-dot chain line from an initial position shown by a solid line in FIG. Try to tilt toward the tilt position shown.
[0023]
At this time, in the present embodiment, in the connecting portion 18 on the left side in FIG. 4 where the downward load F1 is generated, the convex portion 46 of the CRS fixing bracket 12 shown in FIG. Become. As a result, when a lateral load acts on the CRS 20 due to a vehicle side collision or the like, the CRS fixing bracket 12 can be prevented from falling forward (in the direction of arrow A in FIG. 3), and the inclination of the CRS 20 can be suppressed. .
[0024]
Moreover, in this embodiment, since the convex part 46 protrudes ahead of the vehicle body on the opposite side to the attachment part 16B, the inclination to the front side of the CRS 20 can be effectively suppressed by the convex part 46.
[0025]
Moreover, in this embodiment, when forming the convex part 46, since it is only necessary to extend the wire 14 which comprises the connection part 18, it can be set as a cheap structure.
[0026]
Furthermore, in this embodiment, since the convex part 46 is formed in the both right and left ends of the wire 14, the CRS fixing brackets 12 can be used in common on both the left and right sides of the floor 10, and from either the left or right side The inclination of the CRS 20 can be suppressed against a side collision. In addition, it is good also as a structure which formed the convex part 46 only in the edge part of the wire 14 used as the vehicle width direction outer side.
[0027]
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, as shown in FIG. 2, the convex portions 46 formed at both ends of the wire 14 protrude toward the front side of the vehicle body, but the CRS 20 is shown by a two-dot chain line from the initial position shown by the solid line in FIG. 4. In order to suppress tilting in the direction of the tilt position shown, as shown in FIG. 5, the convex portion 46 may protrude in the vehicle width direction. Further, as shown in FIG. 6, the convex portion 46 may be configured to protrude obliquely forward in the vehicle width direction. Furthermore, a mounting portion 16B may be formed at the lower end portion of the plate material 16 substantially toward the front of the vehicle, and the convex portion 46 of the wire 14 may be protruded rearward of the vehicle body.
[0028]
In the above embodiment, the wire 14 is extended to form the convex portion 46, but a part of the plate 16 disposed at both ends of the wire 14 is extended to form a convex portion that protrudes toward the floor 10. You may do it.
[0029]
Moreover, the child seat fixing bracket structure of the present invention can be applied to all seats such as a front seat and a rear seat.
[0030]
【The invention's effect】
The child seat fixing bracket structure according to the first aspect of the present invention includes a child seat fixing bracket including a connecting portion for connecting a child seat, and a mounting portion to be attached to the floor, and is formed on the bracket and protrudes toward the floor. and convex portions, have a, since the convex portion formed by extending the wires that comprise the connecting portion, when a lateral load is applied, has an excellent effect that the inclination of the child seat can be suppressed. Moreover, it has the outstanding effect that it can be set as an inexpensive structure.
[0031]
According to the 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 attachment portion, in addition to the effect of the first aspect, It has the outstanding effect that the inclination to the opposite side to a mounting part can be suppressed effectively.
[Brief description of the drawings]
FIG. 1 is a perspective view of a child seat fixing bracket structure according to an embodiment of the present invention as seen from the obliquely forward inner side of a vehicle body.
FIG. 2 is a perspective view of a child seat fixing bracket according to an embodiment of the present invention as seen from the obliquely rearward inner side of the vehicle body.
FIG. 3 is a side sectional view showing a child seat fixing bracket structure 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 of a child seat fixing bracket according to another embodiment of the present invention as seen from the obliquely rearward inner side of the vehicle body.
FIG. 6 is a perspective view of a child seat fixing bracket according to another embodiment of the present invention as seen from the obliquely rearward inner side of the vehicle body.
FIG. 7 is a side sectional view showing a child seat fixing bracket structure according to a conventional example.
[Explanation of symbols]
10 Floor 12 Child Seat Fixing Bracket 14 Wire 16 Plate Material 16B Child Seat Fixing Bracket Attachment 18 Child Seat Fixing Bracket Connection 20 Child Seat 46 Child Seat Fixing Bracket

Claims (2)

A bracket for securing the child seat, comprising a connecting portion for connecting the child seat, and a mounting portion to be attached to the floor;
A convex portion formed on the bracket and projecting toward the floor;
Yes, and the convex portion is a child seat fixing bracket structure characterized by comprising by extending the wires that comprise the connecting portion. The child seat fixing bracket structure according to claim 1, wherein the convex portion protrudes on the side opposite to the attachment portion.

Images