JP2001270359A - Child seat supporting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a comfortable feeling of sitting on a seat when a child seat is not present while assuring the easiness of detachable operation of the child seat. SOLUTION: This supporting structure comprises an anchor member 3 capable of locking a child seat C insert-molded to the rear part of a seat bottom S1. An anchor rod 2 is provided between a pair of upper frames 93, and a hook member 4 having a locking hook 41 for locking the upper lever 31 of the anchor member 3 is installed on the upper part of the anchor rod 2. The shape of the hook member 4 is set so that the lower lever 32 of the anchor member 3 is allowed to extend downward in the state of a pad material S3 being compressed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a child seat support structure detachably attached to a vehicle seat.

[0002]

2. Description of the Related Art Conventionally, there has been known a support structure provided for securely holding a child seat detachably attached to a vehicle seat on a seat back. The support structure corresponds to the pair of width-direction locking projections projecting rearward from the lower rear end of the child seat and the locking projections between the rear end of the seat bottom and the lower end of the seat back. And an anchor which is an inverted U-shaped locked member interposed therebetween. The anchor is interposed between the seat bottom and the seat back with its distal end being viewed through a gap, and the child seat is held on the seat bottom by engaging a locking projection with the anchor.

[0003]

By the way, in the conventional child seat support structure as described above, the anchor is projected from the gap between the seat back and the seat bottom toward the seating surface. However, when the child seat is removed and the user sits on the seat, the distal end of the anchor interferes with the waist of the occupant, resulting in a very poor sitting comfort. This tendency is remarkable when the seat back is tilted backward.

[0004] Therefore, it is conceivable to provide the anchor in the gap between the seat bottom and the seat back so as not to protrude from the seating surface to the outside. However, in this case, the poor sitting comfort when the child seat does not exist is eliminated. However, there is a new problem that the operation of attaching and detaching the child seat becomes difficult.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is intended to ensure the ease of attaching and detaching operations of a child seat and realize comfortable sitting on the seat when there is no child seat. It is an object of the present invention to provide a child seat support structure capable of supporting a child seat.

[0006]

According to the first aspect of the present invention,
A child seat support structure having a pad material therein and formed on a seat bottom that is erected and supported between a pair of channels in the width direction, and an anchor member that can lock the child seat is provided at a rear portion of the seat bottom. The anchor member is insert-molded in a pad material such that an upper end portion thereof faces a slit formed on an upper surface of a rear end portion of a trim of a seat bottom and can lock a child seat. It is.

According to the present invention, the anchor member insert-molded (integrally molded) on the pad material of the seat bottom is provided at the rear end of the child seat because the upper part thereof faces the upper surface of the rear end of the seat bottom. The child seat is attached to the seat in a state where the child seat is prevented from coming off by locking the predetermined locking member to the upper end of the anchor member.

Further, when the child seat is not mounted on the seat, the anchor member is insert-molded in the pad material of the seat bottom. Therefore, even if the seat member is seated, the tip of the anchor member sinks together with the pad material. Therefore, a comfortable sitting state can be obtained without directly hitting the buttocks of the seated person.

As described above, since the anchor member is insert-molded on the pad material of the seat bottom, the child seat can be mounted on the seat bottom, and comfortable sitting on the seat when there is no child seat is realized.

Further, since the anchor member is insert-molded on the pad material, the anchor member can be maintained in an upright state, whereby the operation of attaching and detaching the child seat to and from the anchor member is facilitated, and Is determined, the slit position of the trim can be set centrally. Therefore, the inconvenience of setting the slit position on site according to the position of the anchor member as in the related art can be avoided, which contributes to the reduction in assembly cost.

According to a second aspect of the present invention, in the first aspect of the present invention, an anchor rod provided between the pair of channels is provided below the seat back,
A hook member having a locking hook for locking the lower portion of the anchor member is fixed to the upper portion of the anchor rod, and the hook member allows the lower portion of the anchor member to escape downward with the pad material being compressed. It is characterized in that the shape is set so as to obtain.

According to the present invention, even when a large force is applied to the child seat in a direction away from the seat bottom due to a sudden stop of the vehicle or the like, the lower portion of the anchor member is locked by the hook member integrated with the anchor rod. This avoids the inconvenience of moving the child seat forward.

When the child seat is not mounted on the seat, the anchor member is insert-molded in the pad material of the seat bottom. Therefore, even when the seat member is seated, the tip of the anchor member sinks together with the pad material. Therefore, a comfortable sitting state can be obtained without directly hitting the buttocks of the seated person.

[0014]

FIG. 1 is a perspective view showing an embodiment of a vehicle seat to which a child seat support structure according to the present invention is applied. As shown in this figure, the child seat C has a depression in which the infant is seated, which is formed in the center by being integrally formed with the seat and the backrest, and provided with a pair of side walls in the width direction.

At the lower rear end of the child seat C, a pair of locking projections C1 projecting in the width direction for mounting on the vehicle seat S is projected, while a connecting portion between the seat bottom S1 and the seat back S2 is formed. A support structure 1 for supporting the child seat C is provided at the gap position, and an anchor member 3 of the support structure 1 which will be described later is a seat bottom S.
1 is insert-molded.

On the rear upper surface of the seat bottom S1, a pair of guidance portions C2 formed of rectangular trims having slits C3 extending in the width direction are arranged in parallel in the width direction. The anchor member 3 is insert-molded in a pad material immediately below the slit C3, and its upper end is exposed to the outside in a depression below the guidance portion C2. Therefore, by inserting the locking projection C1 into the slit C3 and pressing it while the child seat C is placed on the seat bottom S1, the locking projection C1 is acted on by the predetermined locking means provided on the locking projection C1. Engages with the anchor member 3,
Thereby, the child seat C is fixed to the vehicle seat S.

Since the locking projection C1 is locked to the anchor member 3, the mounting state of the child seat C with respect to the vehicle seat S is stabilized, and the child seat C is prevented from moving forward due to a sudden stop of the vehicle. It is supposed to.

FIGS. 2 and 3 are partially cutaway perspective views showing one embodiment of the support structure 1, FIG. 2 is an exploded perspective view, and FIG. 3 is an assembled perspective view. 2 and 3, illustration of the seat back S2 is omitted. FIG. 4 is a cross-sectional view of the support structure 1 in a side view.

As shown in these figures, the seat bottom S
1 is supported by a pair of sliders 9 in the width direction so as to extend in the front-rear direction provided on the floor of the vehicle. The slider 9 has a lower channel 91 fixed to the floor.
And an upper channel 92 supported by the lower channel 91 so as to be able to move back and forth.
Are fixed to the pair of upper channels 92. At the top of each upper channel 92, an upper frame 93 extending in the front-rear direction is erected, and at the rear of each upper frame 93, a bracket 93a is formed so as to oppose in the width direction,
The seat back S2 is provided between the pair of brackets 93a.
(FIG. 1) The lower edge is pinched.

An anchor rod 2 made of a pipe material is provided between the upper frames 93. The anchor rod 2 is set to have a dimension slightly shorter than the inner dimension between the pair of upper frames 93, and is inserted between the screw holes 94 which are screwed through the pair of upper frames 93. When the bolt B is screwed into the screw hole 94, the tip of the bolt B fits into the hole on the end face of the anchor rod 2, whereby the anchor rod 2 is fixed between the upper frames 93. ing.

A pair of hook members 4 in the width direction are provided on the anchor rod 2 at positions facing the guidance portion C2.
Is provided. These hook members 4 are formed by bending upper and lower portions of a rectangular flat plate of a predetermined size in an arc shape toward the rear, respectively, and are weld-stopped in a state where the lower curved portion is fitted into the anchor rod 2. Is fixed to the anchor rod 2. And
A hook 41 to be locked to the anchor member 3 is formed by the curved bent portion on the upper portion of the hook member 4.

The anchor member 3 is formed by bending a metal rod into a square ring shape and welding both ends. Such an anchor member 3 is embedded in the seat bottom S1 by insert-molding the pad member S3 by an integral foam molding method.

On the other hand, the pad material S3 of the seat bottom S1 has a recessed upper portion S4 for exposing the upper portion (upper rod 31) of the anchor member 3 at a position below the guidance portion C2, and the pad material S3. At the lower surface of the recess S
A lower recessed portion S5 is provided at a position slightly behind the lower portion 4 and the lower portion of the anchor member 3 (lower rod 32)
Is exposed.

When the seat bottom S1 is mounted on the slider 9, the hook member 4 of the anchor rod 2 is fitted into the lower recess S5, and the locking hook 41 is attached to the anchor member 3. The recessed position is set so as to be locked to the lower rod 32 (FIGS. 2 and 3).
The lower dent S5 has a groove depth such that a play space is formed in an upper portion in a state where the locking hook 41 is fitted.

Therefore, when the weight is added to the seat bottom S1 and the pad material S3 is compressed, the play space is reduced, so that the locking hook 4 on the ceiling surface of the lower depression S5 is formed.
1 is avoided. Also, at this time, the lower rail 3
Since the hook 2 is disengaged from the locking hook 41 and descends along the hook member 4, it is possible to avoid the inconvenience that the buttocks of the occupant sitting on the seat bottom S <b> 1 hit the upper rod 31 of the anchor member 3 and the sitting comfort is lowered. be able to.

The upper rod 31 of the anchor member 3 is exposed to such an extent that the locking projection C1 of the child seat C can be locked in the upper recessed portion S4, and as a result, as shown in FIG. To the slit C3 of the guidance section C2
The locking portion provided with a groove at the lower end thereof engages with the upper rod 31 in a state of being inserted into the upper concave portion S4 from above, whereby the child seat C is fixed to the seat bottom S1.

FIGS. 5A and 5B are explanatory views for explaining the operation of the present invention. FIG. 5A shows a state in which the child seat C is mounted on the seat bottom S1, and FIG.
1 shows a state where a seated person is seated. First, when no occupant is seated on the seat bottom S <b> 1, the lower rod 32 of the anchor member 3 is engaged with the locking hook 41 of the hook member 4. Therefore, by fixing the child seat C to the upper rod 31 via the locking projection C1, the child seat C can be stopped due to a sudden stop of the vehicle or the like.
Even if a large force is applied to the front, the inconvenience of the child seat C moving forward is reliably prevented by the lower rod 32 being locked by the locking hook 41.

Next, when the child seat C is detached and the user sits on the seat bottom S1, as shown in FIG. 5B, a downward force acts on the seat bottom S1 and the pad material S3 sinks downward. Since the anchor member 3 is insert-molded in the pad material S3,
The lower rod 32 moves downward along the hook member 4 according to the downward elastic deformation of the pad material S3.
Therefore, it is possible to comfortably sit without inconvenience that the sitting comfort deteriorates.

When the occupant retreats from the seat bottom S1, the pad material S3 is released from its compressed state and returns to its original height by elastic force, whereby the seat bottom S1 is moved to the position shown in FIG. ) From the state shown in FIG.
It returns to the state shown in.

As described in detail above, the support structure 1 of the present invention
Is provided with an anchor member 3 so as to be able to lock the child seat C at the rear of the seat bottom S1, and
The anchor member 3 has an upper rod 31 connected to a seat bottom S1.
Is inserted into the pad material S3 so as to face the upper surface of the child seat C. Therefore, the locking projection C1 provided at the rear end of the child seat C is locked to the upper rod 31 of the anchor member 3 so that the child seat C is seated. S can be attached and fixed.

Further, when the child seat C is not mounted on the seat S, even when the child sits on the seat S, the distal end of the anchor member 3 does not directly hit the waist of the occupant, so that a comfortable sitting state can be obtained. it can.

Further, since the anchor member 3 is insert-molded in the pad material S3 by integral foam molding, the embedding operation of the anchor member 3 in the pad material S3 is facilitated, and a reliable insert molding state is achieved. Can be obtained.

An anchor rod 2 is provided between the pair of upper frames 93 below the seat back, and a hook member 41 is provided above the anchor rod 2 with a locking hook 41 for locking the lower part of the anchor member 3. 4 and
Since the shape of the hook member 4 is set so that the lower part of the anchor member 3 can escape downward in a state where the pad material S3 is compressed, a large forward force is applied to the child seat C due to a sudden stop of the vehicle or the like. Even if an upward force is applied to the rear portion of the seat bottom S1 via the anchor member 3 by the anchor member 3, the lower portion of the anchor member 3 is locked by the hook member 4 integrated with the anchor rod 2, so that the seat bottom The turning-up of the rear portion of S1 is reliably prevented, whereby the inconvenience of the child seat C moving forward can be reliably avoided.

Further, even if the pad material S3 is compressed and lowered by the seat bottom S1 being used for seating, the hook member 4 for locking the anchor member 3 does not allow the anchor member 3 to move downward. Because the shape is set to
The inconvenience that the anchor member 3 descends due to the compression of the pad material S3 and the upper end of the anchor member 3 hits the waist of the occupant can be reliably avoided.

[0035]

According to the first aspect of the present invention, an anchor member is provided at the rear portion of the seat bottom for locking the child seat, and the anchor member is provided with the upper end portion facing the upper surface of the rear end portion of the seat bottom. Since the insert member is insert-molded on the pad material so that the anchor member can be locked, the upper portion of the anchor member insert-molded on the pad material faces the upper surface of the rear end portion of the seat bottom, and a predetermined portion provided on the rear end portion of the child seat. The child seat can be attached to the seat bottom in a state in which the child seat is prevented from coming off by locking the locking member at the upper end of the anchor member.

Further, even if the child seat is not seated, the upper end of the anchor member is insert-molded in the seat bottom.
The distal end portion of the anchor member does not directly hit the waist of the seated person, and the seat can be comfortably seated.

According to the second aspect of the present invention, the anchor rod is provided between the pair of channels below the seat back, and the upper part of the anchor rod is provided with a locking hook for locking the lower part of the anchor member. A hook member was provided, and the shape of the hook member was set so that the lower portion of the anchor member could escape downward in a state where the pad material was compressed.
Even if the child seat is subjected to a large force in the direction away from the seat bottom due to a sudden stop of the vehicle or the like, and the rear of the seat bottom is turned upward through the anchor member, the anchor member is positioned at the lower part of the child seat. Is locked to a hook member integral with the anchor rod, thereby making it possible to reliably prevent the rear of the seat bottom from being turned up, thereby reliably avoiding the inconvenience of the child seat moving forward. be able to.

Further, even when the pad material is compressed and descends by using the seat bottom for seating, the anchor member descends due to the compression of the pad member, so that the upper end of the anchor member hits the waist of the seated person. Such inconveniences are avoided,
Comfortable sitting comfort can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a vehicle seat to which a child seat support structure according to the present invention is applied.

FIG. 2 is an exploded perspective view, partly cut away, showing an embodiment of a child seat support structure.

FIG. 3 is a partially cutaway perspective view of the support structure shown in FIG. 2;

FIG. 4 is a cross-sectional view of the support structure in a side view.

FIG. 5 is an explanatory diagram for explaining an operation of the present invention;
(A) shows a state where the child seat is mounted on the seat bottom, and (B) shows a state where a seated person is seated on the seat bottom.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support structure 1 2 Anchor rod 3 Anchor member 32 Lower rail 4 Hook member 41 Locking hook 93 Upper frame C Child seat S1 Seat bottom S3 Pad material

Claims (2)

[Claims] 1. A child seat support structure formed on a seat bottom which has a pad material inside and is erected and supported between a pair of channels in a width direction, wherein the child seat is locked at a rear portion of the seat bottom. The anchor member is insert-molded into the pad material so that the upper end faces the slit formed on the upper surface of the rear end of the trim of the seat bottom and can lock the child seat. A child seat support structure characterized by the following. 2. An anchor rod extending between the pair of channels is provided at a lower position of the seat back, and the anchor rod has a locking hook at an upper portion for locking a lower portion of the anchor member. 2. The support structure for a child seat according to claim 1, wherein the hook member is fixed, and the hook member is shaped so that the lower portion of the anchor member can escape downward when the pad material is compressed. .