JP2002301974A - Seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat for a vehicle capable of easily securing safety of a child occupant at the time of mounting a child seat and easily mounting the child seat. SOLUTION: A cushion part 3 of the seat 1 for the vehicle is constituted of a cushion revolving part 5 to make its front edge side, a cushion main part 3a, etc., a support member 6 the front end side of which is axially supported on a car body floor 2 is provided on a lower surface of the cushion revolving part 5, and it is constituted so that a lower part of the child seat 7 is supported by the support member 6 by holding the support member 6 by a holding means in an erected state. Consequently, the child seat 7 is restrained and held by the seat 1 for the vehicle at the time of front collision of the vehicle, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art A child seat may be attached to a vehicle seat such as an automobile. The vehicle seat includes a cushion portion fixed to the vehicle body floor side,
A backrest portion is provided on the rear end side of the cushion portion so as to be able to tilt back and forth. The child seat is supported by a cushion portion and a backrest portion of the vehicle seat, and is restrained by a seat belt of the vehicle seat.

When the child seat is restrained only by the seat belt, when a substantially forward inertial force acts on the child seat at the time of a frontal collision of the vehicle, the lower part of the front end of the child seat sinks into the cushion portion, and the child seat is lowered. There is a risk of falling forward. In this case, since the restraint performance of the child occupant is extremely reduced, when the child seat is attached to the vehicle seat, it is necessary to ensure that the child seat does not fall forward and to ensure the safety of the child occupant.

[0004] In order to ensure the safety of child occupants,
For example, one described in Japanese Utility Model Laid-Open No. 53-109237 is known. According to this, an extendable support leg connected to the vehicle body floor side is provided at the front side of the child seat, and the child seat is held by the support leg even at the time of a front collision of the vehicle or the like. Therefore, at the time of a front collision of the vehicle, the child seat does not sink into the cushion portion, and the child seat does not fall forward.

[0005]

However, in the child seat mounting structure using the support leg, each time the child seat is mounted on the vehicle seat, the length of the support leg is adjusted according to the height of the vehicle body floor side. Therefore, there is a problem that the attaching work of the child seat becomes complicated.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle seat in which the safety of a child occupant when a child seat is mounted is ensured and the child seat is easily mounted. Is to do.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a vehicle seat to which a child seat is provided, comprising a cushion portion fixed to a vehicle body floor. At 101,
The cushion part forms a front edge side of the cushion part, and is a cushion rotation part 5, 105 which is rotatable with respect to the vehicle body floor.
And the cushion main parts 3a, 1 fixed to the vehicle body floor side
And a support member 6 provided on the lower surface of the cushion rotating portion, the front end of which is pivotally supported on the vehicle body floor side, and which rotates integrally with the cushion rotating portion. Holding means (for example, a stopper member 8 and a slide rail 9) for holding the child seat in an upright position with respect to the lower portion of the child seat by the support member in a state where the support member is turned forward and is upright. Is configured to be supported.

According to the first aspect of the present invention, when attaching the child seat, the operator pivots the support member and the cushion pivot portion forward, and holds the support member upright with respect to the vehicle body floor by the holding means. Hold. And
The lower portion of the child seat is supported by the support member, and the child seat is attached to the vehicle seat. When the child seat is attached to the vehicle seat as described above, the movement of the child seat is suppressed by the support member at the time of a front collision of the vehicle, and the child seat is securely held by the vehicle seat.

Therefore, unlike a vehicle without a support member for a child seat, the child seat does not sink into the cushion portion at the time of a frontal collision of the vehicle or the like, and the safety of the child occupant when attaching the child seat is ensured. Can be. In addition to this, since the child seat is supported by turning the cushion turning part of the cushion part, it is easy to attach the child seat to the vehicle seat.

According to a second aspect of the present invention, in the vehicle seat according to the first aspect, the support member is pivotally supported on the vehicle body floor side so as to be rotatable substantially horizontally or forward, and the support member is rotated by the rotation of the support member. A front seat (for example, a front seat FS) is provided in a cutout space 3b formed in the cushion portion.
) Is configured to receive the backrest portion FS2).

According to the second aspect of the present invention, in addition to the function of the first aspect, when the backrest portion of the front seat is lowered, the operator moves the support member and the cushion rotating portion.
The support member is turned forward substantially horizontally or more to form a notch space in the cushion portion. Then, the operator lowers the backrest portion of the seat arranged in front, and receives the upper portion of the backrest portion in the cutout space.

Therefore, even when the upper end of the backrest portion of the seat disposed in front is high, the backrest portion does not interfere with the cushion portion of the vehicle seat when the backrest portion is moved backward, and the upper end of the backrest portion does not interfere. And the degree of freedom in designing the seats arranged in front is greatly improved.

According to a third aspect of the present invention, in the vehicle seat according to the first or second aspect, the cushion rotating portion is formed so as to leave both left and right sides on a front edge side of the cushion portion, and the support member is provided with the support member. The article is configured to define a storage space S for articles by the cushion rotating portion and the cushion main portion in a state of standing on the vehicle body floor side.

According to the third aspect of the present invention, in addition to the function of the first or second aspect, it is possible to store articles such as small articles with the support member standing upright. Therefore, the space for storing articles in the vehicle compartment can be increased, which is extremely advantageous in practical use.

[0015]

1 to 5 show a first embodiment of the present invention. FIG. 1 is a schematic side view of a vehicle seat with a child seat attached.

As shown in FIG. 1, this vehicle seat 1
Has a cushion portion 3 fixed to the vehicle body floor 2 side, and a backrest portion 4 which is inclined rearward from the rear end side of the cushion portion 3 and extends obliquely upward. Note that the vehicle seat 1 of the present embodiment is used for a rear seat, and is located behind the front seat FS as shown in FIG. The front seat FS is similar to the vehicle seat 1,
It has a cushion portion FS1 and a backrest portion FS2.

The vehicle body floor 2 forms the floor of the vehicle, and is formed below the front end of the vehicle seat 1 such that the rear side is higher than the front side.

As shown in FIG. 3, the cushion portion 3 is composed of a cushion rotating portion 5 forming a front edge thereof, a cushion main portion 3a forming a portion excluding the cushion rotating portion 5, and the like. In the present embodiment, the cushion rotating portion 5 forms the entire front edge side of the cushion portion 3. On the lower surface of the cushion rotating portion 5, a rigid support member 6 having a rigid shape and holding the cushion rotating portion 5 is provided. The support member 6 is formed in a substantially rectangular shape, and its front end side is pivotally supported on the vehicle body floor 2 side. That is, the support member 6 and the cushion rotation unit 5 rotate integrally, and the support member 6
The notch space 3b as shown in FIG. In the present embodiment, the support member 6 is pivotally supported above the stepped portion of the vehicle body floor 2. The support member 6 has a flange-shaped support portion 6a extending upward from its rear end, and the support portion 6a supports the front lower portion of the child occupant child seat 7 with the support member 6 standing upright. A front end of a stopper member 8 extending in the front-rear direction is rotatably connected to one left and right end of the support member 6. The rear end side of the stopper member 8 is rotatably connected to the upper rail 10 of the slide rail mechanism 9, and the stopper member 8 and the slide rail mechanism 9 constitute holding means for the support member 6.

The slide rail mechanism 9 has an upper rail 10 extending forward and backward and a lower rail 11 extending forward and backward. The lower rail 11 is fixed to the vehicle body floor 2, and the upper rail 10 is connected to the lower rail 11. It is movable back and forth with respect to. Further, the slide rail mechanism 9 includes an upper rail 10
And a lower rail 11 which has a lock operation portion 12 which can be locked freely. The lock operation portion 12 is rotatably provided on the lower rail 11, and a lock claw (not shown) that selectively engages with a plurality of lock holes (not shown) arranged in front and rear on the upper rail 10. have. That is, the upper rail 10 is locked at an arbitrary position in the front-rear direction.

When the child seat 7 is mounted on the vehicle seat 1 configured as described above, as shown in FIG.
Is rotated forward, and the upper rail 10 and the lower rail 11 are locked by the lock portion 11 in a state where the support member 6 stands up with respect to the vehicle body floor 2. Thus, the support member 6 is held by the stopper member 8 in an upright state. Then, as shown in FIG. 1, the front lower end of the child seat 7 is supported by the support portion 6a of the support member 6, and the child seat 7 is attached to the vehicle seat 1.

When the child seat 7 is attached to the vehicle seat 1 as described above, the rigid support member 6 suppresses the movement of the child seat 7 at the time of a front collision of the vehicle, and the child seat 7 is securely attached to the vehicle seat 1. Be detained.

In the vehicle seat 1, when the backrest FS2 of the front seat FS is moved backward, FIG.
As shown in FIG. 5, the operator rotates the support member 6 and the cushion rotating portion 5 forward until the support member 6 becomes substantially horizontal with the vehicle body floor 2 so that the support member 6 and the vehicle body floor 2 are substantially flush with each other. Then, the upper rail 10 and the lower rail 11 are locked by the lock unit 11. Thereby, the support member 6 is held by the stopper 8 in a substantially horizontal state, and the cutout space 3 b is formed in the cushion portion 3. Then, as shown in FIG. 2, the worker can move the backrest portion FS2 of the front seat FS.
To make the notch space 3a receive the upper part of the backrest FS2. That is, the upper surface of the backrest portion FS2 and the upper surface of the cushion portion 3 are in a substantially flat soft flat state.

As described above, according to the vehicle seat 1 of the first embodiment, the child seat 7 is securely held by the vehicle seat 1 at the time of a front collision of the vehicle. The child seat does not sink into the cushion portion unlike the case where the support member is not provided, and the safety of the child occupant when attaching the child seat 7 can be ensured.

In addition, according to the vehicle seat 1 of the first embodiment, the child seat 7 is supported by rotating the cushion rotating part 5 of the cushion part 3, so that the vehicle seat 1 is The child seat 7 can be easily attached to the vehicle. Therefore, for example, when the support leg connected to the vehicle body floor side is provided on the child seat, the support leg is adjusted to a length corresponding to the height of the vehicle body floor side every time the child seat is mounted, and the child seat is mounted. The work is not complicated. Furthermore, there is no need to provide a support member on the child seat side, so that the weight of the child seat can be reduced and the structure of the child seat can be simplified.

In addition, according to the vehicle seat 1 of the first embodiment, the rigid support member 6 is connected to the cushion rotating portion 5.
The lower part of the vehicle seat 1 does not impair the ride comfort of the occupant sitting on the cushion portion 3 of the vehicle seat 1.

According to the vehicle seat 1 of the first embodiment, even when the upper end of the backrest portion FS2 of the front seat FS is high, the backrest portion FS2 of the front seat FS is tilted backward. In addition, the backrest portion FS2 does not interfere with the cushion portion 3 of the vehicle seat 1. That is, the degree of freedom in designing the seat FS is remarkably improved, for example, the upper end of the backrest portion FS2 can be increased. For example, when the height of the headrest portion which is detachably provided at the upper end of the backrest portion FS2 is increased, the height of the upper portion of the backrest portion FS2 may be increased. The appearance is not impaired.

In the first embodiment, the vehicle seat 1 is used for the rear seat of the vehicle. However, the vehicle seat 1 may be used for the front seat of the vehicle.

In the first embodiment, when the backrest portion FS2 of the front seat FS is moved backward, the support member 6 rotates until the support member 6 becomes substantially horizontal. Of course, it may be one that rotates substantially horizontally or more.

Further, in the first embodiment, the holding means is constituted by the stopper member 8 and the slide rail mechanism 9 and the like. However, if the holding means holds the support member 6 in an upright state, the holding means is provided. May have any configuration.

The shape and the like of the support member 6 are also optional.
In addition, it is needless to say that specific detailed structures and the like can be appropriately changed.

FIGS. 6 and 7 show a second embodiment of the present invention, which differs from the first embodiment in the structure of the cushion portion of the vehicle seat. Hereinafter, this vehicle seat will be described using the same reference numerals as in the first embodiment.

As shown in FIG. 6, the vehicle seat 10
The first cushion portion 103 includes a cushion rotating portion 105 formed by leaving the left and right side portions on the front edge side, the remaining cushion main portion 103a, and the like. A substantially flat support member 6 having rigidity is provided on the lower surface of the cushion rotating portion 105. This support member 6 is the same as in the first embodiment. Other configurations of the cushion 103, including the support member 6, are the same as those of the first embodiment, and the description of the other configurations is omitted here.

The vehicle seat 10 constructed as described above
In FIG. 1, as shown in FIG. 7, the support member 6 is rotated forward together with the cushion rotation portion 105, and the cushion rotation portion 105 and the cushion main portion 103a are connected to each other with the support member 6 standing upright. Storage space S is defined.

When the child seat 7 is attached to the vehicle seat 101 as in the first embodiment, the rigid support member 6 suppresses the movement of the child seat 7 at the time of a frontal collision of the vehicle, and the like. Is securely held by the vehicle seat 101.

As described above, according to the vehicle seat 101 of the second embodiment, the child seat 7 is securely held by the vehicle seat 101 at the time of a front collision of the vehicle. The safety of the child occupant at the time of mounting can be ensured. Also, by rotating the cushion rotating portion 105 of the cushion portion 103,
Since the child seat 7 is supported, it is easy to attach the child seat 7 to the vehicle seat 1.

In addition to this, according to the vehicle seat 101 of the second embodiment, articles such as small articles can be stored with the support member 6 standing up. It is extremely advantageous in practical use.

In the second embodiment, as in the first embodiment, the structure of the holding means, the shape of the support member 6, and the like are arbitrary, and other specific detailed structures and the like are also appropriate. Of course, it can be changed.

[0038]

As described above in detail, according to the vehicle seat of the present invention, the safety of the child occupant when the child seat is mounted can be ensured, and the child seat can be easily mounted.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a vehicle seat according to a first embodiment of the present invention with a child seat attached.

FIG. 2 is a schematic side view of the vehicle seat showing a state in which a backrest portion of a front seat is lowered.

FIG. 3 is an external perspective view of a cushion portion.

FIG. 4 is an operation explanatory view showing a state where a support member is erected.

FIG. 5 is an operation explanatory view showing a state in which the support member is rotated until it becomes substantially horizontal.

FIG. 6 is an external perspective view of a cushion portion according to a second embodiment of the present invention.

FIG. 7 is an external perspective view of the cushion portion in a state where the support member is raised and a storage space is defined.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Body floor 3 Cushion part 3a Cushion main part 3b Notch space 5 Cushion rotation part 6 Support member 7 Child seat 8 Stopper member 9 Slide rail mechanism 101 Vehicle seat 103 Cushion part 103a Cushion main part 105 Cushion rotation part FS Front seat FS2 Backrest part S Storage space

Claims (3)

[Claims] 1. A vehicle seat having a cushion portion fixed to a vehicle body floor side and having a child seat attached thereto, wherein the cushion portion forms a front edge side of the cushion portion and is rotatable with respect to the vehicle body floor. And a cushion main portion fixed to the vehicle body floor side. The cushion main portion is provided on the lower surface of the cushion rotating portion, and the front end side is pivotally supported by the vehicle body floor side, and rotates integrally with the cushion rotating portion. A support member; and holding means for holding the support member in an upright state with respect to the vehicle body floor. In a state in which the support member is turned forward and is upright, the lower portion of the child seat is lowered by the support member. A vehicle seat configured to be supported. 2. The support member is pivotally supported on the vehicle body floor side so as to be rotatable substantially horizontally or forward, and is disposed forward in a cutout space formed in the cushion portion by the rotation of the support member. The vehicle seat according to claim 1, wherein a backrest portion of the seat is configured to be received. 3. The cushion pivoting portion is formed leaving left and right sides on the front edge side of the cushion portion, and the cushion pivoting portion is formed in a state where the support member stands upright with respect to the vehicle body floor side. 3. The vehicle seat according to claim 1, wherein the cushion main portion is configured to define a storage space for articles.