JP2002087124A - Child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a child seat capable of avoiding imprudent movement of an impact shield to an unexpected position when the child seat is fixed onto an automobile seat with the impact shield through an automobile seat belt in the child seat provided with the impact shield. SOLUTION: The child seat 10 is constituted such that a front bar 17a of a shield holder 17 is fitted in a recessed part 24 of an impact shield and the impact shield 20 is certainly retained by the shield holder by abutting abutment pieces 23a and 23b to the shield holder 17. Even if a force in a winding-up direction of an automobile seat belt S is applied to this impact shield 20 at a use position of the impact shield 20 and the impact shield 20 is moved, the impact shield 20 is not moved to an unexpected position for a little child C.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a child seat used when an infant rides on a car.

[0002]

2. Description of the Related Art For example, Japanese Patent Application Laid-Open No. 2-169336 describes a child seat used when an infant rides on a car and various modes of use of the child seat. For example, as shown in FIG. 5, the overall shape is the seat back portion 111 and the seat cushion portion 1.
In a bucket-type child seat 110 configured integrally with the child seat 21, an embodiment using an impact shield 120 for protecting the abdomen of an infant is described.
In this use mode, the child seat 110 is fixed on the vehicle seat together with the impact shield 120 applied to the infant's knee by using the three-point support type vehicle seat belt 140.

[0003]

According to the mode of use of the child seat 110, the impact shield 120 is interposed between the infant and the automobile seat belt 140, so that the child seat 110 can be easily attached and, for example, the automobile Area of the part that comes into contact with the infant when an impact force is applied to it (the contact area of the impact shield 120)
However, when the impact shield 120 is not interposed, the area of the portion that comes into contact with the infant (the contact area of the seat belt) is larger. Therefore, this mode of use is effective in that the child seat 110 can be easily attached and the impact force acting on the infant can be dispersed as much as possible. However, the impact shield 120 is connected only to the vehicle seatbelt 140, and therefore the vehicle seatbelt 14 is retracted by the retractor (belt take-up device) at its use position.
If a force in the winding direction is applied to zero, one end is lifted upward and inadvertently moves to a position inclined with respect to the infant. This problem is remarkable especially when the impact shield is fixed by an automatic lock retractor (ALR) type seat belt.

The present invention has been made in view of the above points, and an object of the present invention is to provide a child seat having an impact shield, in which the child seat is mounted on the vehicle seat together with the impact shield via a vehicle seat belt. It is an object of the present invention to provide a child seat that can prevent the impact shield from being inadvertently moved to an unexpected position when it is fixed to the child seat.

[0005]

According to the present invention, there is provided a child seat according to the present invention. In the present invention, in a child seat having an impact shield, by providing a connecting means for connecting the child seat body and the impact shield, the behavior of the impact shield with respect to the child seat body is imparted with regularity, so that a child seated on the child seat body can be provided. This makes it possible to predict the relative position with respect to the impact shield.

In the child seat according to the first aspect, the impact shield for protecting the abdomen of the infant is disposed at a position facing the infant seated on the child seat body. Then, by attaching the vehicle seat belt to the child seat, the infant seated in the child seat body is restrained on the vehicle seat. At this time, the impact shield is connected to the child seat body by the connecting means. With this, when the lifting force of the automobile seat belt acts on the impact shield, the impact shield for the infant seated on the child seat body behaves in accordance with the operation of the connecting means, and moves to an unexpected position of the impact shield. Inadvertent movement can be prevented. Therefore, according to the child seat of the first aspect, when the child seat is fixed on the vehicle seat together with the impact shield via the vehicle seat belt, the impact shield is moved to an unexpected position with respect to the infant seated on the child seat body. Inadvertent movement can be avoided.

Further, in the child seat according to the second aspect, the shield holder constituting the connecting means is configured to rotate in a predetermined direction from a use position of the impact shield around a connection point with the child seat body. I have. The shield holder is adapted to hold the impact shield by being fitted into a recess formed on the impact shield side. Thus, the impact shield can rotate in a predetermined direction while being held by the shield holder. Therefore, according to the child seat of the second aspect, since the shield holder rotates regularly integrally with the impact shield, the impact shield is inadvertently moved to an unexpected position with respect to the infant seated on the child seat body. Can be avoided.

Further, in the child seat according to the third aspect, the shield holder and the impact shield are engaged with each other by an engagement member in a state where the shield holder is fitted into the recess of the impact shield. Thereby, the impact shield can be more reliably held on the shield holder. Here, the engagement member preferably has a contact piece provided on the impact shield side and abutting on the impact shield at an engagement position between the shield holder and the impact shield. . This allows
When the contact piece on the impact shield side contacts the shield holder, it acts as a stopper for preventing the impact shield from coming off the shield holder. Therefore, the impact shield can be securely held on the shield holder with a simple configuration.

In the child seat according to the present invention, when the shield holder is rotated together with the impact shield in a predetermined direction from a position where the impact shield is used, the impact shield may be attached to an infant (for example, an infant). (Head of the person). Therefore, according to the child seat of the fifth aspect, when the position of the impact shield changes with respect to the infant, the infant does not feel pressure. Here, it is preferable that the center of rotation of the shield holder is set, for example, near the headrest of the child seat body. With this setting, when the shield holder holding the impact shield rotates from the use position of the impact shield (the position corresponding to the abdomen of the infant) toward the head of the infant, the impact shield is moved to the head of the infant. Do not approach in the direction.

Further, the child seat according to the sixth aspect is configured such that a stroller can be formed by installing the child seat body on the wheel mechanism. That is,
In a stroller, the child seat body is a means for placing an infant, and the wheel mechanism is a moving means.
By changing the position of the shield holder, the shield holder used for an impact shield in the case of a child seat can be used as a handle for a stroller in the case of a stroller. Therefore,
According to the child seat of the sixth aspect, the shield holder can be used also as a handle for a stroller, which is convenient.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of a child seat according to the present invention will be described below with reference to FIGS. Here, FIG.
1 is a perspective view of a child seat according to an embodiment of the present invention. FIG. 2 is a side view of the child seat of FIG. FIG. 3 is a sectional view taken along line III-III in FIG.

As shown in FIGS. 1 and 2, a child seat 10 according to the present embodiment includes a child seat main body 11 and a shield holder 17 (corresponding to the connecting means in the present invention). It is constituted by an impact shield 20 and the like to be connected. The impact shield 20 is detachable from the shield holder 17. The child seat body 11 includes a seat frame 12 as a strength member, a net skin 30 stretched over the seat frame 12, and the like. The seat frame 12 has a seat cushion portion (seat portion) 12a and a seat back portion (back portion) 12b. The rear frame 14, which is made of a metal pipe and which is connected to each other at the portions and which constitutes the rear leg, the cushion frame 15, which is assembled between the lower ends of the side frames 13 to constitute the front leg, and the side frame 1
3 is constituted by a headrest 16 and the like assembled between the upper end portions.

The rear frame 14 is bent into a substantially concave shape, and its left and right upper ends are joined to each other at approximately the middle of the left and right side frames 13 in the vertical direction by means of rivets or the like. The cushion frame 15 is, for example, a hard resin molded product made of polypropylene, and has a plane area occupying the front upper surface of the seat cushion portion 12a.
With the lower ends of the side frames 13 inserted into both side portions of the upper surface, they are connected by a joining means such as a rivet. Further, the cushion frame 15 has a predetermined height, is formed in a substantially U-shaped cross section in which a central portion 15a is recessed rearward and upper and lower portions are projected forward, and a lower surface thereof is a ground surface. In addition, a seat cushion cover 18 that wraps the upper portion of the cushion frame 15 is provided on the surface of the cushion frame 15, and the seat cushion cover 18 is similar to the headrest 16,
It is constituted by a sheet in which a cushion pad made of a foam is covered with a skin.

The headrest 16 is, for example, a rigid resin molded product made of polypropylene, is formed in a hollow shape having a substantially elliptical cross section, and the upper ends of the left and right side frames 13 are inserted into both sides thereof, and coupling means such as rivets are provided. Fixed. The net skin 30 is mainly composed of a vertically elongated net-shaped net member constituting the seat cushion portion 12a and the seat back portion 12b.

The impact shield 20 is for fixing the child seat 10 on the seat for the automatic operator and for protecting the abdomen of the infant, and has a width slightly larger than the interval between the left and right side frames 13 and an abdomen of the infant. Are formed in a substantially block shape having a vertical width corresponding to. The impact shield 20 is positioned in front of the side frame 13, that is, at a position facing the infant seated on the child seat body 11, and
It is configured to be held by a shield holder 17 that is connected rotatably in the vertical direction (the direction of arrow 40 or 42 in FIG. 2) via a pin 17b. Therefore, the pin 17b becomes the center of rotation of the shield holder 17.

The impact shield 20 has a concave portion 24 which is open on the front side (non-infant side), and is formed in a substantially U-shape in side view. In addition, the impact shield 20
On the rear side (the abdomen side of the infant), there is provided a flexible portion 21 composed of a cushion pad and a skin covering the cushion pad. Is provided. As shown in FIG. 3, abutting pieces 23 a protruding outward of the impact shield 20, and protruding downward of the impact shield 20 are formed on both side portions in the width direction of the panel constituting the hard portion 22. It has an abutment piece 23b, and further has an engagement groove 25 into which the shield holder 17 can be fitted, and an insertion groove 26 through which the automobile seat belt S can be inserted.

The recess 2 of the impact shield 20
4 (engagement groove 25), the front bar 17a of the shield holder 17 is fitted, the contact piece 23a contacts the shield holder 17, and the tip of the contact piece 23b is hooked on the front bar 17a, so that the impact is achieved. Shield 20
Is securely held by the shield holder 17. That is, in addition to the engagement of the shield holder 17 with the recess 24 (engagement groove 25) of the impact shield 20 and the engagement action with the contact pieces 23a and 23b as the engagement members in the present invention, the impact shield 20 is To ensure the retention of At this time, as shown in FIG.
3a is provided at a position corresponding to the lateral width of the shield holder 17, so that even if the impact shield 20 is shifted to the rear side (non-infant side) with respect to the shield holder 17, for example, the contact piece 23a and the shield Holder 17
Does not come off. Therefore, the impact shield 20 can be securely held with respect to the shield holder 17. Incidentally, the engaging members of the present invention are constituted by the contact pieces 23a, 23b and the like.

Next, an operation of installing the child seat 10 configured as described above in a car will be described. The child seat 10 is set on an automobile seat via an automobile seat belt S. That is,
In use, first, the rear frame 14 and the cushion frame 15 are placed on the seat cushion portion of the vehicle seat with the rear end surface of the headrest 16 in contact with the seat back portion of the vehicle seat (not shown). At this time, the impact shield 20 is detached from the shield holder 17 side. Next, shield holder 1
For example, the child 7 is flipped up to the position shown by the two-dot chain line in FIG. 2 (rotated in the direction of arrow 40 in FIG. 2), and the infant is seated on the child seat 10 with the shield holder 17 supported. Then, the concave portion 24 of the impact shield 20 is fitted into the front bar 17a of the shield holder 17 which has been flipped up, and the shield holder 17 is further engaged with the engaging groove 25 of the panel constituting the hard portion 22, the contact piece 23a,
23b. In this engaged position, the impact shield 20 is securely held by the shield holder 17 and is therefore connected to the child seat body 11 via the shield holder 17.

Then, on the contrary, the shield holder 17 is reversed.
Is rotated to the position indicated by the solid line in FIG. 2, whereby the connected shield holder 17 and impact shield 20 move integrally in the abdomen direction of the infant. Thereby, the impact shield 20 is disposed on the side frame 13 (or on the abdomen depending on the infant's body shape). That is, when the impact shield 20 is in contact with the side frame 13, further movement in the direction of the infant is restricted. In addition, this impact shield 2
The arrangement position of 0 corresponds to the use position of the impact shield in the present invention.

Next, the 3 mounted on the body side of the automobile
The vehicle seat belt S of the point support type is pulled out, inserted into the insertion groove 26 of the panel constituting the hard portion 22, and the vehicle seat belt S is locked (attached). As a result, the child seat 10 is fixed on the vehicle seat via the impact shield 20. Thus, the infant is restrained by the car seat together with the child seat 10, and the safety of the infant during traveling of the car is achieved.

At this time, the rotation of the shield holder 17 and the impact shield 20 in the direction of arrow 40 in FIG. 2 is not completely restricted, and the impact shield 2
When the force in the winding direction of the automobile seat belt S acts on the impact shield 20 at the use position 0, the shield holder 17 and the impact shield 20 may be moved in the direction of the arrow 40 (corresponding to a predetermined direction in the present invention) in some cases. Go to). Therefore, since the impact shield 20 is restricted from tilting by the front bar 17a of the shield holder 17, the impact shield 20 does not inadvertently tilt with respect to the infant due to the action of the automobile seat belt S.

The impact shield 20 rotates together with the shield holder 17 around a pin 17b near the head of the seated infant. Therefore, the impact shield 20 is in the use position (the position near the abdomen of the infant).
The impact shield 20 does not approach the infant's head in the rotation process from the front to the infant's head, and therefore does not give a feeling of oppression to the infant. Also, during the rotation process, the infant can predict the operation of the impact shield 20 to some extent. Therefore, according to the present embodiment, it is possible to avoid the problem that the impact shield inadvertently moves to an unexpected position with respect to the infant, which occurs in the conventional type child seat 110 as shown in FIG.

The child seat 10 according to the present embodiment can also be used as a stroller for moving a seated infant. This mode of use as a stroller will be described with reference to FIG. Here, FIG. 4 is a side view showing an outline when the child seat is used as a stroller. As shown in FIG. 4, the wheel holder 50 supporting the child seat 10 and having a plurality of (for example, four) wheels 51 is connected to a lower portion of the child seat 10, and the shield holder 17 after the impact shield 20 is removed. Is set to the position of the solid line in FIG. Then, at this position, the shield holder 17 is locked by locking means (not shown). Thus, when the child seat 10 is used as a stroller, the shield holder 17 can be used as a push handle when the stroller is used.

As described above, according to the present embodiment, when the child seat 10 is fixed on the automobile seat together with the impact shield 20 via the automobile seat belt S, the shield holder 17 is attached to the impact shield 20.
The impact shield 20 can be prevented from accidentally moving to an unexpected position with respect to the infant C sitting on the child seat main body 11 by regularly rotating integrally with the child seat body 11. Further, according to the present embodiment, when the shield holder 17 is fitted into the concave portion 24,
3a is in contact with the shield holder 17 and acts as a stopper for the impact shield 20 with respect to the shield holder 17, so that the shield holder 17 can be held more reliably with respect to the impact shield 20.
Further, according to the present embodiment, when the shield holder 17 rotates from the use position of the impact shield 20, the impact shield 20 does not approach the head of the infant, so that the infant does not feel any oppression. . Further, according to the present embodiment, when child seat 10 is used as a stroller, shield holder 17 for an impact shield can also be used as a stroller handle.

It should be noted that the present invention is not limited to the above-described embodiment, and various applications and modifications are conceivable.
For example, each of the following embodiments to which the above embodiment is applied may be implemented.

(A) In the above embodiment, the case where the shield holder 17 rotates with respect to the child seat body 11 has been described, but the shield holder 17 is not limited to the rotary type. For example, the shield holder 17 may be detachable from the child seat body 11. Although the case where the shield holder 17 rotates upward with respect to the child seat body 11 has been described, the direction of rotation of the shield holder 17 is not limited to this. Is also good.

(B) In the above embodiment, the case where the recess 24 formed in the impact shield 20 is open on the front side (the side opposite to the infant) is described.
The opening direction of the impact shield 20 is not limited, and, for example, may be a case where the lower surface side of the impact shield 20 is opened. In addition, the case where the impact shield 20 is configured to be detachable from the shield holder 17 has been described, but the impact shield 20 may be fixed to the shield holder 17.

(C) In the above embodiment, the contact piece 23a and the contact piece 23b
Is described on the impact shield 20 side, but the contact piece 23a and the contact piece 23b may be provided on the shield holder 17 side. Further, the contact piece 23a and the contact piece 23b can be omitted.

(D) In the above embodiment, a mechanism for fixing the shield holder 17 to the child seat body 11 is not provided at the position where the impact shield 20 is used, but the shield holder 17 and the impact shield 20 shown in FIG. A lock mechanism for completely restricting the rotation in the direction of the middle arrow 40 may be provided. With this configuration, it is possible to restrict the movement of the shield holder 17 and the impact shield 20 from a predetermined set position.

[0030]

As described above, according to the present invention,
In a child seat with an impact shield, a child seat that can prevent the impact shield from being accidentally moved to an unexpected position when the child seat is fixed on the automobile seat together with the impact shield via an automobile seat belt. Can be realized.

[Brief description of the drawings]

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

FIG. 2 is a side view of the child seat of FIG. 1;

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a side view showing an outline when a child seat is used as a stroller.

FIG. 5 is a perspective view of a conventional child seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Child seat 11 ... Child seat main body 12 ... Seat frame 17 ... Shield holder 20 ... Impact shield 21 ... Flexible part 22 ... Hard part 23a, 23b ... Contact piece 24 ... Concave part 25 ... Engagement groove 26 ... Insertion groove C ... Infant S … Car seat belts

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Kazuhiro Sasaki 2-1-1 Toyota-cho, Kariya-shi, Aichi Prefecture Inside Toyota Industries Corporation (72) Inventor Koichi Yamamoto 2-1-1 Toyota-cho, Kariya-shi, Aichi Stock F-term in Toyota Industries Corporation (Reference) 3B087 CD05 CE07

Claims (6)

[Claims] 1. A child seat body comprising: a child seat main body; and an impact shield arranged at a position facing an infant seated on the child seat main body, and a vehicle seat belt mounted on the impact shield, thereby seating on the child seat main body. A child seat for restraining a toddler on a vehicle seat, wherein a connection means for connecting the child seat body and the impact shield is provided. 2. The child seat according to claim 1, wherein said connecting means is connected to said child seat main body and pivots from a use position of said impact shield in a predetermined direction around said connection point. A child seat, wherein the impact shield is held by the shield holder by fitting the shield holder into a recess formed on the impact shield side. 3. The child seat according to claim 2, wherein the shield holder and the impact shield are:
Further, the child seat is configured to be engaged via an engagement member. 4. The child seat according to claim 3, wherein the engagement member has a contact piece provided on the impact shield side, and the contact piece is provided between the shield holder and the impact shield. The child seat is configured to abut on the shield holder at the engagement position of (1). 5. The child seat according to claim 2, wherein in a step of rotating the shield holder together with the impact shield from a use position of the impact shield in a predetermined direction, the impact shield is A child seat configured to move in a direction not approaching an infant seated on the child seat body. 6. The child seat according to claim 1, wherein the child seat main body is mounted on a wheel mechanism having wheels so that the child seat main body also serves as a stroller component. A child seat, wherein the holder is configured to be set at a handle use position as a handle for a stroller.