JPS63149241A - Seat device for vehicle - Google Patents

Abstract

PURPOSE:To improve holding ability of an infant by constituting a seat cushion by a seat cushion body and an infant holding body provided so as to be capable of being stored in the cut-off part formed by the seat cushion body, and by forming the infant holding body in the shape of the letter T from a horizontal supporting part and a vertical supporting part at the approximate center. CONSTITUTION:A seat cushion 2 is constituted by a seat cushion body 5 and an infant holding body 6, and the infant holding body 6 is constituted on the whole approximately in the shape of the letter T by a horizontal supporting part 7 extending in the car width direction, a vertical supporting part 8 extending approximately vertically from its approximate center and a side supporting part 9 extending approximately vertically from the both ends of the horizontal supporting part 7. On the other hand, a cut-off part 10 in the same shape as the infant holding body 6 is formed on the seat cushion body 5, and the infant holding body 6 can be stored in this cut-off part 10. And when an infant M is seated, the infant holding body 6 is rotated and stood upward around a hinge pin, the horizontal supporting part 7 is located in front of the infant M and the vertical supporting part 8 is located at the legs of the infant M.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a vehicle seat device having a function of holding an infant in a seated position, and in particular to an infant holder that is capable of reliably maintaining the seated position of an infant. It is related to shape improvement.

[Conventional technology]

Generally, a vehicle seat device has a structure in which a seat cushion is placed on the floor of a vehicle interior, and a seat back is provided standing up from the rear end of the seat cushion. However, when an infant is seated on this seat device, there is a risk that the infant may fall from the seat for some reason, such as the vehicle suddenly starting or stopping, or the infant moving around.

For this reason, various seat devices for vehicles have been proposed in the past that are capable of maintaining the seated posture of an infant. One example of this is shown in Japanese Utility Model Application Publication No. 54-18827, in which a child protection part extending in the horizontal direction is adjacent to or fitted into a seat cushion or seat back, and In other words, while providing it integrally,
Side support parts are provided on both sides of the seat cushion or seat bank to rotatably support both ends of the child protection part, and when the child is seated, the child protection part is rotated and positioned in front of the child to protect the child. The lateral support portion prevents the infant from leaning forward, and the lateral support portion prevents the infant from leaning sideways.

[Problem that the invention seeks to solve]

By the way, if we consider the situation where an infant falls from the seat, if the infant falls from the seat, the front,
It is conceivable that the infant may not only fall due to tilting to the side, but also that the infant may slip forward along the upper surface of the seat cushion. However, conventional vehicle seat systems do not take this point into consideration, and due to their structure, infants may slip forward between the child protection part and the seat cushion.
There is concern that a so-called submarine phenomenon may occur.

SUMMARY OF THE INVENTION In view of these problems, it is an object of the present invention to provide a seat device for a vehicle that can reliably hold an infant in a seated position and prevent the infant from slipping forward.

[Means for solving problems]

Therefore, in the vehicle seat device according to the present invention, the seat cushion is constituted by a seat cushion main body and an infant holder provided to fit into the main body, and the infant holder is provided with a horizontal support extending in the width direction. and a vertical support section extending in a substantially vertical direction from the center thereof, and when the infant is seated, the infant holder is rotated and erected, and the horizontal support section is positioned in front of the infant. In addition, the vertical support part is located between the legs of the infant.

[Effect]

In this invention, the infant holder is approximately T-shaped, and when the infant is seated, it is raised so that the horizontal support section is positioned in front of the infant, and the vertical support section is positioned between the legs of the infant. Therefore, forward leaning of the infant is prevented by the horizontal support section of the infant holder, and forward sliding of the infant is prevented by the vertical support section of the infant holder, thus ensuring that the infant's seated posture is maintained. It is something that will be done.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show a seat device for a vehicle according to an embodiment of the present invention, in which l is a seat device disposed on the floor of the vehicle interior, and the seat device 1 has a seat cushion 2. The seat back 3 is configured by a seat cushion 2 provided on the rear edge of the seat back 3.
It is tiltably supported by a known reclining mechanism 4 at the rear end of the side surface.

The seat cushion 2 is made by covering an elastic body such as a sponge with a skin material such as a vinyl sheet, and is composed of a seat cushion zero body 5 and an infant holder 6. This child holder 6 has a horizontal support portion 7 extending in the vehicle width direction. It is composed of a vertical support part 8 extending substantially perpendicularly from the center of the horizontal support part 7, and a side support part 9 extending substantially perpendicularly from both ends of the horizontal support part 7, and when viewed as a whole, T.
It is shaped like this. On the other hand, a notch 10 having the same shape as the infant holder 6 is formed in the seat cushion main body 5, and the infant holder 6 is fitted into the notch 10 when the infant holder 6 is not in use. It is designed to be housed in a state of compatibility.

Further, a T-shaped frame 1) corresponding to the child holder 6 is built-in. This frame 1) includes a support frame lla having a U-shaped cross section located in the vertical support part 8 of the infant holder 6, and a mouth-shaped reinforcing pipe 12 located in the horizontal support part 7 and the side support parts 9. The reinforcing pipe 12 is welded to the tip of the support frame lla at its center.

On the other hand, a cushion panel 13 is attached to the entire lower surface of the seat cushion main body 5, and a hinge bracket 14 is disposed on the upper surface in the approximate center of the cushion panel 13, and a reinforcing plate 15 is disposed on the lower surface, both of which are connected by bolts 15a. Fixed by The hinge bracket 14 has a U-shaped cross section, and has stepped portions 14a on the outer peripheral surface of the upper end of both sides thereof.

The notches 14b are formed at a predetermined angular distance. The rear end portion of the support frame Ila is fitted onto the upper end of this hinge bracket 14, and is supported by a hinge pin 16 so as to be rotatable in the vertical direction.

Further, an infant holder 6 is provided at the rear end of the support frame 1laO.
A stopper 18 for holding the support bin 1 in place
It is swingably supported at 7.

A spring member 19 is attached to this support bin 17 to urge the stopper 18 to rotate toward the hinge bracket 14, thereby causing the engaging claw 18a of the stopper 18 to The infant holder 6 is moved to the normal position A or the upright position WB by engaging with the notch 14b.
A locking mechanism 308 is configured to lock into.

Further, a lock release device 21 is disposed on the lower surface of the tip of the support frame lla.The ml lock release device 21 attaches the housing 22 with screws 23 to the mounting plate 20 fixed to the lower surface of the support frame lla with screws 20c. , a lock release lever 24 is accommodated in the housing 22 so as to be slidable back and forth. The lever 24 is formed with a guide hole 24C into which the guide pin 20a of the mounting plate 20 is inserted, and the front end operating portion 24a of the lock release lever 24 projects downwardly and outwardly from the front end opening 22a of the housing 22. The front end of an operating cable 27 is attached to the rear end protrusion 24b of the lock release lever 24 via a cable holding member 25, and the rear end of the operating cable 27 is attached to the stopper 1 via a cable holding member 26. As a result, the lock release lever 24 and the stopper 18 are connected.

In this way, the above frame 1). Lock mechanism 30a
And the lock release device 21 moves the infant holder 6 between the normal position A (normal use state B) and the upright position B (infant seat state).
A rotation mechanism 30 is configured to rotate between the two.

Next, the effects will be explained.

In this device, during normal use when an adult is seated, the child holder 6 is fitted and accommodated in the notch 10 of the seat cushion body 5, and the lock release lever 24 is moved rearward by the spring force of the spring member 19. pulled, stopper 18
The engaging pawl 18a abuts and engages with the stepped portion 14a of the hinge bracket 14, whereby the child holder 6 is locked in its normal position A.

When seating the infant in such a state, first place your hand on the operating portion 24a of the lock release lever 24 and pull it forward. Then, the lock release lever 24 slides forward and rotates the stopper 18 against the spring force of the spring member 19, thereby causing the engaging claw 18a of the stopper 18 to engage with the stepped portion 14a of the hinge bracket 14. Since the lock of the child holder 6 is released by releasing the lock, the child holder 6 is then lifted upward. Then this infant holder 6
rotates upward around the hinge pin 16 at the rear end of the vertical support portion 8, and when the engaging claw 18a of the stopper 18 reaches the position of the notch 14b of the hinge bracket 14, the engaging claw 18
a rotates back due to the spring force of the spring member 19 and engages with the notch 14b, whereby the child holder 6 is locked in a predetermined standing position B standing approximately perpendicular to the seat clivia main body 5. Ru. In this state, the infant M may be seated so that the horizontal support section 7 of the infant holder 6 is positioned in front of the infant M, and the vertical support section 8 of the infant holder 6 is positioned between the legs. .

In such a state, even if some force is applied to the infant M and the infant M is about to slip forward on the seat cushion 2, the infant M will not be able to keep up with the vertical support part 8 of the infant holder 6 between the legs. This makes it possible to reliably prevent the submarine phenomenon that is a concern with conventional devices. Furthermore, even if the infant M leans forward, the horizontal support portion 7 of the infant holder 6 can prevent the infant M from leaning further forward. The lateral support portion 9 can prevent the device from tilting further to the side.

In addition, when returning from such an infant seat state to a normal use state, operate the lock release lever 24 to release the infant holder 6.
After unlocking, just rotate it downward in the opposite direction to the above.

In the above embodiment, the side support part 9 is integrally provided on the child holder 6, but in the present invention, it is not necessary to provide this side support part 9 (in short, the vertical support part 8 This can provide the effect of preventing the infant from sliding forward as described above.

Further, in the above embodiment, the infant holder is supported by a hinge bracket disposed at the lower part of the seat cushion body, but in the present invention, the infant holder may be supported on the side surface of the seat cushion body.

〔Effect of the invention〕

As described above, according to the vehicle seat device according to the present invention, the seat cushion is constituted by the seat bank main body and the infant holder fitted therein, and the infant holder extends at least in the width direction. Since it is formed in a substantially T-shape consisting of a horizontal support part and a vertical support part extending in a substantially vertical direction from the center of the horizontal support part, it is possible to prevent the infant from not only leaning forward (but also slipping forward) when the infant is seated. This has the effect of ensuring even greater safety.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing how a vehicle seat device according to an embodiment of the present invention is used, FIG. 2 is a cross-sectional side view of the device, FIG. 3 is a cross-sectional plan view of essential parts of the device, and FIG. The figure is an exploded perspective view of the rotation mechanism of the above device. In the figure, 1 is a seat device, 2 is a seat cushion, and 3 is a seat device.
is the seat back, 5 is the seat cushion body, 6 is the infant holder, 7 is the horizontal support part, 8 is the vertical support part, 10 is the notch part, A is the normal position (accommodated position), B is the upright position, M is the upright position For infants, L is the leg. Patent applicant Daihatsu Motor Co., Ltd. agent
Patent Attorney Tsutomu Shimofu Figure 1 Figure 3 Figure 4

Claims (1)

[Claims] (1) In a vehicle seat device arranged on the vehicle interior floor and composed of a seat cushion and a seat back,
The seat cushion is constituted by a seat cushion main body and an infant holder provided so as to be accommodated in a notch formed in the seat cushion main body, and the infant holder includes a horizontal support portion extending at least in the width direction and a horizontal support portion extending at least in the width direction. The infant holder is formed into a substantially T-shape including a vertical support portion extending substantially perpendicularly from the center, and supports the infant holder so as to be rotatable between the accommodation position and the upright position, and when the infant is seated, the infant holder is 1. A seat device for a vehicle, characterized in that the infant's body is rotated to stand up, the horizontal support portion is positioned in front of the infant, and the vertical support portion is positioned between the legs of the infant.