JP2001158264A - Mounting structure of child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of a child seat capable of fixing a position of a striker even in adjusting an angle without increasing a weight and the cost. SOLUTION: A reclining 3 is formed by rotatably caulking an upper arm 31 and a lower arm 32. Two caulking holes 4f are formed on a standing part 4c of a bracket 4, and the lower arm 32, a lower base 33 and the bracket 4 are unrotatably caulked through caulking holes 4f. A tool hole 4a of a large diameter is formed on an inclined part 4d of the bracket 4, and a striker 5 is fixed thereto. A bolt-hole 4b is formed on a basic part 4e of the bracket 4. The bracket 4 is fastened with a bolt-hole 33b of the lower base 33 through the bolt-hole 4b simultaneously with caulking. A bolt-hole 33a of the lower base 33 is bolted by inserting a tool into the tool hole 4a of the bracket 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a child seat mounting structure for mounting a child seat on an automobile seat, for example.

[0002]

2. Description of the Related Art As a method of fixing a child seat to a seat, as shown in FIG. 11, a method of fitting an anchorage 102a of a child seat 102 to a striker 101b provided on a seat back 101a of the seat 101 and fixing the same. is there.

[0003] For example, actual climbing 25 adopting such a method
05602, JP-A-6-344817 or JP-A-8
In -48177 or the like, as shown in FIG. 12, a striker 101b is welded to a reinforcing member 101e below a frame 101c in a seat back 101a. In such a structure, the load applied to the child seat is released from the reinforcing member 101e to the floor via the reclining 101d.

[0004]

Generally, a reinforcing member 10 is provided.
Since 1e is disadvantageous in strength compared to the reclining 101d attached to the left and right, it is necessary to increase the strength of the reinforcing member 101e by employing the above-described structure. Therefore, there are problems such as an increase in weight and cost. When the angle of the seat back 101a is adjusted, the striker 10
There is also a problem that the position of 1b changes.

The present invention has been made in view of such circumstances, and even if a method of fitting and fixing a child seat anchorage to a striker provided on a seatback frame is employed, weight and cost increase. It is an object of the present invention to provide a child seat mounting structure in which the position of the striker does not change even when the angle is adjusted.

[0006]

SUMMARY OF THE INVENTION A child seat mounting structure according to the present invention has been made in order to solve such a problem, and a striker for attaching a child seat to a seat provided on a floor is fixed to a bracket. The bracket is mounted on the floor via a floor mounting bracket for the seat.

The term "floor mounting bracket" as used herein refers to a metal fitting for mounting and fixing a seat on a floor, such as a reclining or hinge. The bracket is mounted on a component that does not relatively move (or relatively rotate) with the floor, such as a lower base or a lower bracket, among the components of the floor mounting bracket. As the attachment means, for example, means such as screw fastening, pin caulking or welding is used.

The bracket may be mounted on the floor after the bracket is mounted on the floor mounting bracket. The bracket may further include a mounting for mounting the floor mounting bracket on the floor. It is configured to be fastened to the floor using holes.

The joint fastening may be performed on all the mounting holes of the floor mounting bracket, or may be performed only on a part thereof. In the latter case, when the bracket is located so as to cover the mounting hole that is not fastened together, a tool hole is separately provided in the bracket.

[0010] The bracket can also be mounted directly to the floor. That is, the bracket is mounted on the floor via the floor mounting bracket of the seat, and is directly mounted on the floor.

[0011] The bracket may be configured so as to be located avoiding a mounting hole used for mounting only the floor mounting bracket to the floor. The phrase “located avoiding the mounting hole” as used herein means that when the floor mounting bracket is mounted on the floor, the mounting hole is positioned so that the bracket does not cover the mounting hole. In this case, the bracket includes, for example, There is no need to drill or cut out tool holes for mounting.

[0012]

Next, an embodiment of a child seat mounting structure according to the present invention will be described with reference to the drawings. FIGS. 1 to 5 show a child seat mounting structure according to the first embodiment, FIG. 6 shows a child seat mounting structure according to the second embodiment, and FIGS. 7 to 7 show a child seat mounting structure according to the third embodiment. FIG. 8 shows the child seat mounting structure according to the fourth embodiment in FIGS. 9 and 10, respectively.

First, a child seat mounting structure according to a first embodiment will be described with reference to FIGS. The mounting structure of the child seat is a fixing method similar to that of FIG.

In the seat back 1, as shown in FIG.
A frame 2 is provided therein, and the frame 2 is provided with a reinforcing member 2a. Frame 2 is on floor 1
It is mounted on the reclining 3 (floor mounting bracket) fixed to zero. The bracket 4 is fixed to the floor 10 via the reclining 3.

Next, the reclining 3 will be described with reference to FIG. As shown in FIG.
Includes an upper arm 31, a lower arm 32, and a lower base 33. Each of these components is a plate-like member.

As shown in FIG. 5, the upper arm 31
In the lower arm 32, two bolt holes 31a are drilled at one end, and two bolt holes 31b are drilled at one end. The upper arm 31 and the lower arm 32 are rotatably combined with each other at their other ends, and the center thereof is a center of rotation 31a between the upper arm 31 and the lower arm 32.
Make

As shown in FIG. 5, the lower base 33 includes a standing portion 33c and a base 33e. In base 33e,
One bolt hole 33a, 33b is formed. Two caulking holes 33d are formed in the upright portion 33c. The distance between the caulking holes 33d is matched with the distance between the caulking holes 32a of the lower arm 32. The end of the upright portion 33c has a concave shape, so that at the time of assembly (see FIG. 2 or FIG. 4), a large contact area between the lower base 33 and the lower arm 32 is ensured, and
1 can be avoided.

Next, the bracket 4 will be described with reference to FIG. As shown in the figure, the bracket 4 has an upright portion 4c, an inclined portion 4d, and a base 4e. The upright portion 4c and the inclined portion 4d are bent at substantially right angles, and the inclined portion 4d and the base portion 4e are bent at an obtuse angle. Two caulking holes 4f are formed in the upright portion 4c. The distance between the caulking holes 4f is adjusted to the distance between the caulking holes 33d of the lower base 33. The end of the standing portion 4c is the lower base 3
3 has a concave shape similarly to the end shape of the upright portion 33c. One relatively large tool hole 4a is formed in the inclined portion 4d. One bolt hole 4b is formed in the base 4e at a position near the standing portion 4c. Tool hole 4a and bolt hole 4
The distance between the bolt holes 33a and 33b of the lower base 33 is matched with the distance between the holes in the parallel plane of the base 4e with the hole b (see FIG. 3).

The bracket 4 has a base 4e of the inclined portion 4d.
Striker 5 is fixed to the opposite side by welding. The striker 5 protrudes from the inclined portion 4d. The inclination angle of the inclined portion 4d is adjusted so that the striker 5 can be fitted to the anchorage of the child seat when the vehicle body is assembled. In addition, it is also possible to adjust according to the shape of the striker 5.

The assembly of the above-described reclining 3 and bracket 4 on the floor 10 will be described with reference to FIGS. As shown in FIG. 5, the pin 41 is inserted into each of the swaging hole 32 a of the lower arm 32 of the reclining 3, the swaging hole 33 d of the lower base 33, and the swaging hole 4 f of the bracket 4, and swaged. As a result, FIG.
Alternatively, as shown in FIG. 4, the lower arm 32 of the reclining 3, the lower base 33, and the bracket 4 are integrated.
In addition, as a method of integrating the three parts, welding may be performed instead of caulking.

In this state, the base 33e of the lower base 33 of the reclining 3 is connected to the base 4e of the bracket 4.
While being in contact with the inclined portion 4d. Further, as shown in FIG. 2 or FIG. 4, the positional relationship is such that the bolt hole 33 b of the lower base 33 of the reclining 3 and the bolt hole 4 b of the bracket 4 communicate with each other. In addition, as shown in FIG. 3, the positional relationship is such that the centers of the bolt holes 33a of the lower base 33 of the reclining 3 and the tool holes 4a of the bracket 4 substantially coincide.

Reclining 3 integrated in this way
The bracket 4 and the bracket 4 are fixed to the floor 10 using bolts as shown in FIG. 2 or FIG. That is, the lower base 33 of the reclining 3 is fastened by bolts through the bolt holes 33a. At this time, the operation is performed by inserting a tool into the tool hole 4a of the bracket 4. Then, the bolt holes 33b of the lower base 33 of the reclining 3 and the bolt holes 4b of the bracket 4 are fastened together by bolts.

By assembling as described above, an external force acting on the striker 5 through the child seat is transmitted to the floor 10 via the bracket 4 and the reclining 3.
Is transmitted to. Since the reclining 3 itself has a relatively high strength and such a member is used, there is no particular need to reinforce the reclining 3. Since the external force is transmitted to the reclining 3 and is not transmitted to the frame 2 of the seat back, the thickness of the reinforcing member 2a of the frame 2 can be reduced or abolished, resulting in an increase in weight and cost. There is no problem such as increase. Furthermore, even if the inclination angle of the seat back is changed by the reclining 3, the position of the striker 5 is unchanged, and the inconvenience is solved.

Also, since the bracket 4 to which the striker 5 is fixed is fastened together with the lower base 33 of the reclining 3, it is possible to mount the bracket 4 on the floor 10 without using a new bolt for the bracket 4. Even if it is newly added as a component, there is almost no increase in the man-hour at the time of assembly.

In this embodiment, the reclining 3
The present invention is applied to a seat with a reclining function, but the present invention is not limited to this, and it is possible to attach to a hinge without the reclining 3 and has no reclining function. It can also be applied to sheets. Further, in the present embodiment, as shown in FIG. 1, the reclining 3 on both the left and right sides of the seat back 1 is adopted, but it can be adopted on only one of them.

Although the first embodiment has been described above, the various modifications mentioned in connection therewith can be similarly applied to other embodiments described later.

Next, a second embodiment will be described with reference to FIG. As shown in the figure, the reclining 6 (floor mounting bracket) includes an upper arm 61 and a lower bracket 62. That is, the reclining 3 in the first embodiment is composed of the three parts of the upper arm 31, the lower arm 32, and the lower base 33. In the present embodiment, instead of using the lower arm and the lower base, they are integrated. The lower bracket 62 is used. The upper arm 61 is similar to the upper arm 31 in the first embodiment.

As shown in FIG. 6, the upper arm 61
Is provided with two bolt holes 61b at one end. The lower bracket 62 includes a standing portion 62b and a base 62c. One bolt hole 62d, 62e is formed in the base 62c. Two caulking holes 62a are formed in the upright portion 62b. Upper arm 61
And the upright portion 62b of the lower bracket 62 are rotatably combined with each other, and a center portion thereof forms a rotation center 61a. Note that the same bracket as that of the first embodiment is used for the bracket 4, and a description thereof will be omitted.

The mounting of the reclining 6 and the bracket 4 on the floor 10 is almost the same as in the first embodiment, but in this embodiment, the swaging hole 62a of the lower bracket 62 of the reclining 6 and the bracket 4 The pin 41 is inserted through the swaging hole 4f and swaged. Therefore, since the two parts are crimped, the work becomes easier than in the first embodiment. Subsequent assembling is the same as in the first embodiment, and will not be described.

Next, a third embodiment will be described with reference to FIGS. As shown in FIG. 7 or FIG. 8, in the present embodiment, the reclining 3 in the first embodiment is used.
Is used. The reclining 3 includes the upper arm 31, the lower arm 32, and the lower base 33, as described above.

The bracket 7 has an upright portion 7c and an inclined portion 7d.
And a base 7e, and has the same shape as the bracket 4 in the first embodiment. As shown in FIG. 7, two caulking holes 7f are formed in the upright portion 7c. The distance between the caulking holes 7f is equal to the caulking hole 33d of the lower base 33.
(See FIG. 5). Two relatively large-diameter tool holes 7a are formed in the inclined portion 7d. The hole position of the tool hole 7a is the bolt hole 3 of the lower base 33.
3a (see FIG. 5). One bolt hole 7b is formed in the base 7e at a position near the opposite side to the upright portion 7c. The striker 5 has an inclined portion 7 on the bracket 7.
d and is fixed by welding.

The above-described mounting of the reclining 3 and the bracket 7 on the floor 10 is substantially the same as in the first embodiment, and the lower arm 32, the lower base 33, and the bracket 7 of the reclining 3 are caulked with the pins 71. Integrate. In this embodiment, the integrated bracket 7
The method for fastening bolts to the floor 10 is different from that of the first embodiment. That is, the bolts are tightened in the bolt holes 33a and 33b of the lower base 33. On this occasion,
The inclined portion 7 d of the bracket 7 is the base 33 of the lower base 33.
e, but the tool can be inserted into the tool hole 7a, so that it can be mounted on the floor 10. Also, bolt holes 7b of the bracket 7
But do the bolting. Thus, in the present embodiment,
The bolts on the floor 10 are bolted at three points without performing the joint tightening, so that the strength is further improved. It should be noted that welding nuts (not shown) are previously fixed to the floor 10 at positions corresponding to the bolt holes 33a, 33b, 7b. In this embodiment, a lower bracket 62 (FIG. 6) in which a lower arm and a lower base are integrated as in the second embodiment.
Reference) can also be applied.

Next, a fourth embodiment will be described with reference to FIGS. As shown in FIG. 9 or FIG.
In the present embodiment, the frame 2 (see FIG. 1) is
It is attached to the reclining 8 (floor mounting bracket) fixed to 0. The bracket 9 is attached to the floor via the reclining 8.

The reclining 8 is, as shown in FIG.
Upper arm 81, lower arm 82, and lower base 83
And The upper arm 81 has two bolt holes 81b at one end, and the lower arm 82 has two crimp holes 82a at one end. Upper arm 8
The lower arm 1 and the lower arm 82 are rotatably combined with each other at their other ends, and the center thereof forms a rotation center 81a between the upper arm 81 and the lower arm 82.

As shown in FIG. 9 or FIG. 10, the lower base 83 includes a standing portion 83c and a base 83e. The standing portion 83c and the base portion 83e are arranged obliquely to each other as shown in FIG. Bolt holes 83a, 8
3b is drilled one by one. Standing part 83c
Are provided with two caulking holes 83d. The distance between the caulking holes 83d is equal to the caulking hole 82 of the lower arm 82.
It is adjusted to the distance between holes a.

FIG. 9 or FIG.
Explanation will be made using 0. As shown in FIG.
Has a standing portion 9c, an inclined portion 9d, and a base portion 9e, and has a shape similar to that of the bracket 4 in the first embodiment. The inclined portion 9d and the base 9e have a chamfered shape, and the base 9e has a triangular shape.

The upright portion 9c has two swaging holes 9f. The distance between the caulking holes 9f matches the distance between the caulking holes 83d of the lower base 83.
Only the striker 5 is fixed to the inclined portion 9d by welding, and no various tool holes are formed. In the base 9e,
One bolt hole 9b is formed.

The mounting of the above-described reclining 8 and the bracket 9 on the floor 10 is substantially the same as that of the first embodiment, and as shown in FIG.
The lower arm 82, the lower base 83, and the bracket 9 are integrated by caulking with a pin 91. Then, using a bolt, the bolt hole 83 of the lower base 83 of the reclining 8 is used.
It is fastened to the floor 10 by a. At that time, bolt holes 8
Since 3a is not covered with the inclined portion 9d of the bracket 9, there is no need to insert it into a tool hole or the like, and the work can be performed more easily. Then, the bolt holes 83b of the lower base 83 of the reclining 8 and the bolt holes 9 of the bracket 9 are formed.
b) together with bolts.

As described above, in the present embodiment, the standing portion 83c
And the base 83e use the lower bases 83 which are obliquely arranged with respect to each other, so that the bolt holes 83a for attachment to the floor 10 are provided.
Is not covered by the bracket 9, it is not necessary to drill a relatively large-diameter tool hole (see the tool hole 4a in FIG. 5) in the inclined portion 9d of the bracket 9, and the strength of the bracket 9 itself is further increased. Can be raised. Also, the bolting operation can be easily performed. In this embodiment, a lower bracket 62 in which a lower arm and a lower base are integrated as in the second embodiment (see FIG. 6).
It can be applied to the case where is used.

[0040]

According to the child seat mounting structure of the present invention, a striker for mounting a child seat on a seat provided on a floor is fixed to a bracket, and the bracket is mounted on the floor via a floor mounting bracket of the seat. Unlike the conventional case, there is no need to reinforce the seat frame, and it is possible to suppress an increase in weight and cost. In addition, since the bracket is attached to the floor side, even if the reclining angle is adjusted as in the past, there is no change in the position of the striker, and the child seat is more securely attached to the seat, and the usability is improved. be able to.

If the bracket is configured so as to be fastened to the floor using mounting holes for mounting the floor mounting bracket to the floor, the bracket can be mounted on the floor without increasing the number of steps for assembling the sheet to the floor. , It is possible to reduce an increase in the load on the conventional work, and to realize a cost reduction.

If the bracket is configured so as to be directly attached to the floor, the bracket can be more securely and firmly attached to the floor.
The child seat can be more securely and firmly fixed. Further, since it is not necessary to increase the strength of the bracket more than necessary, weight reduction and cost reduction can be further realized.

When the bracket is configured so as to avoid the mounting hole for mounting only the floor mounting bracket on the floor, it is not necessary to provide the bracket with a tool hole or a notch for lowering the strength. Since the strength of the bracket can be ensured without increasing the thickness, the weight can be reduced and the cost can be further reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a frame structure of a seat back to which a child seat mounting structure according to a first embodiment of the present invention is applied.

FIG. 2 is an enlarged perspective view of a portion A in FIG. 1;

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a front view of FIG. 2;

FIG. 5 is an exploded perspective view of the child seat mounting structure shown in FIG. 1;

FIG. 6 is an exploded perspective view of a child seat mounting structure according to a second embodiment of the present invention.

FIG. 7 is a front view of a child seat mounting structure according to a third embodiment of the present invention.

FIG. 8 is a plan view of the child seat mounting structure of FIG. 7;

FIG. 9 is an exploded perspective view of a child seat mounting structure according to a fourth embodiment of the present invention.

FIG. 10 is a plan view of FIG. 9;

FIG. 11 is a perspective view showing an attachment relationship between a child seat and a seat to which a conventional child seat attachment structure is applied.

FIG. 12 is a perspective view illustrating a frame structure of the seat back of FIG. 11;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Seat back 2 Frame 2a Reinforcement member 3, 6, 8 Reclining 31, 61, 81 Upper arm 31a, 61a, 81a Rotation center 31b, 33a, 33b, 4b, 61b, 62d, 62
e, 7b, 81b, 83a, 83b, 9b Bolt hole 32, 82 Lower arm 32a, 33d, 4f, 62a, 7f, 82a, 83
d, 9f Caulking holes 33, 83 Lower bases 33c, 4c, 62b, 7c, 83c, 9c Standing portions 33e, 4e, 62c, 7e, 83e, 9e Bases 4, 7, 9 Brackets 4a, 7a Tool holes 4d, 7d, 9d Inclined part 5 Striker 41, 71, 91 pin 62 Lower bracket 10 Floor

Claims (4)

[Claims] 1. A striker for attaching a child seat to a seat provided on a floor is fixed to a bracket,
A mounting structure for a child seat, wherein the bracket is mounted on the floor via a floor mounting bracket for the seat. 2. The mounting structure for a child seat according to claim 1, wherein the bracket is fastened to the floor together with a mounting hole for mounting the floor mounting bracket to the floor. 3. The child seat mounting structure according to claim 1, wherein the bracket is further mounted directly on the floor. 4. The child seat mounting structure according to claim 1, wherein the bracket is positioned so as to avoid a mounting hole for mounting only the floor mounting bracket to the floor.