JP4679565B2 - Vehicle seat device - Google Patents

Description

  The present invention relates to a vehicle seat apparatus equipped with a child seat so that it can be stored.

  In addition to the detachable type that is placed on and fixed to the vehicle seat, the child seat includes a built-in type that can be stored in the vehicle seat (Patent Document 1).

The conventional child seat can be pivoted around a support shaft between a use state where the child seat is placed on the seat portion of the vehicle seat and a storage state where the child seat stands along the backrest portion of the vehicle seat. A mat is provided, and the ends of a lower seat belt connected to a substantially center in the left-right direction on the front side of the mat and a V-shaped upper seat belt whose upper ends are connected to the left and right sides of the backrest part , It is connected in a Y-shape via an engagement tool that is detachably engaged.
JP-A-9-58318

  In the conventional child seat, the lower seat belt located between the crotch of the wearer sitting on the mat prevents the lower body from moving forward, and the left and right upper seat belts located on the left and right shoulders of the wearer This prevents the upper body from falling forward.

  However, even though children often ride while playing by moving their limbs, etc., the conventional child seat connects the seat belt in a Y shape on the front side of the body and restrains forward movement, If the seat belt is loose or tightened insufficiently, it is possible to remove the foot relatively easily and align both feet on one side of the lower seat belt.

  If a sudden impact is applied to the wearer's body by sudden braking or the like during traveling in such a state, the lower seat belt does not function and the body moves forward, and in some cases the V-shaped upper part There is a possibility that the neck of the wearer is tightened from the front side by the seat belt, and there is a problem in terms of safety.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a vehicle seat device that can prevent a wearer's foot from being inserted and removed with a relatively simple structure and can easily ensure safety of the body. And

The present invention relates to a vehicle seat device in which a child seat 2 is storable on a vehicle seat 1 , and the vehicle seat 1 is formed on the front surface of the backrest portion 6 among a seat portion 3 and a backrest portion 6. The recessed portion 8 is rotated between a standing state in which the lower end portion is pivotally attached to the backrest portion 6 in the recessed portion 8 and fitted into the recessed portion 8 from the front side, and a use state in which the seat portion 3 falls down. and a movably mat 9, wherein the child seat 2 is the wearer the front end is seated on the mat 9 and the use state is configured in a bag shape which is closed is the input Ruchi Yairudoshito body 11, the seat body 11 a pair of left and right upper seat belt 12 that the front side of the upper end connected to said backrest portion 6 inside the recess 8 of the provided longitudinally from the front side of the upper end to the front end side of the seat body 11 and the Chairu And a zipper opening 19 at least open and close the top on the left and right of the front of the seat body 11, the seat body 11 is arranged vertically along the backrest section 6 within the recess 8 and the upper body of the subject wearer An upper half portion 16 into which the lower half of the upper half portion 16 enters and a front side extending along the mat 9 in the use state from the bent portion at the lower end of the upper half portion 16. A lower seat belt 13 that ties the child seat body 11 to the vehicle seat 1 in the vicinity of the bent portion, and is provided separately from the child seat body 11, and the back side of the upper half portion 16 is provided . Is fixed to the backrest 6 by fixing portions 18a and 18b in the concave portion 8, and the child seat body 1 in the concave portion 8 when the mat 9 is in the upright state. And those which covers the upper seat belt 12 from the front side.

  According to the present invention, there is an advantage that the wearer's foot can be prevented from being inserted and removed in a worn state with a relatively simple structure, and the safety of the wearer's body can be easily secured.

  Embodiments of the present invention will be described below in detail with reference to the drawings. 1-5 illustrate a first embodiment of the present invention. 1 and 2, reference numeral 1 denotes a vehicle seat provided in a vehicle such as an automobile, and 2 denotes a child seat provided in the vehicle seat 1 so as to be housed.

  The vehicle seat 1 includes a seat 3 attached to the floor of the vehicle, and a back mounted on the support frame 3a and the like on the rear end side of the seat 3 via a left and right pivot 5 so that the angle can be adjusted. It has a bent portion 6 and a headrest 7 attached to the upper side of the backrest portion 6.

  A concave portion 8 having a substantially rectangular shape in front view and a mat 9 having a substantially rectangular shape in front view that closes the concave portion 8 from the front side are provided at a substantially central portion in the left-right direction. The concave portion 8 is formed with a predetermined width in the left-right direction from the middle in the vertical direction of the backrest portion 6 to the lower end side.

  The lower end portion of the mat 9 is pivotally attached to the support frame 6a of the backrest portion 6 by a left and right support shaft 10, and the support shaft 10 is used as a fulcrum so that the child seat 2 is tilted to the front side and placed on the seat portion 3 when used. 2 and a standing state (FIG. 2) that fits into the recess 8 and covers the child seat 2 and constitutes a part of the backrest 6 between the recess 8 and the used state (see FIG. 1 and FIG. 2). (See the two-dot chain line). The mat 9 is fitted and held in the recess 8 of the backrest 6 in the upright state, and the front surface thereof is substantially flush with the front surface side of the backrest 6 around the recess 8.

  The seat portion 3 and the backrest portion 6 include a cushion material supported by the support frames 3a and 6a, and a skin material such as leather covering the cushion material, in addition to the internal support frames 3a and 6a as conventionally known. And have. The mat 9 has a structure having appropriate cushioning properties on both the front and rear surfaces.

  As shown in FIGS. 3 to 5, the child seat 2 includes a bag-shaped child seat body 11 into which a lower body enters from the neck of the wearer during use, and a left and right connecting the upper end of the child seat body 11 to the backrest portion 6. A pair of upper seat belts 12 and a lower seat belt 13 that ties the intermediate portion of the child seat body 11 on the seat portion 3 in the left-right direction.

  The child seat body 11 is formed by joining the left and right side edges of the front and back surfaces 14 and 15 of a rubber net material, chemical fiber net material or the like in the longitudinal direction by sewing or the like, The bag is made in a bag shape with the upper end opened and the front end closed. The child seat body 11 may be knitted into a bag shape. Moreover, you may use the surface material 14 and the back material 15 which has some elasticity.

  The child seat body 11 is arranged in the vertical direction along the front surface of the recess 8 of the backrest portion 6 and the upper half portion 16 into which the lower upper body enters from the neck of the wearer, and on the seat portion 3 when in use. It has a lower half portion 17 which is placed in the front-rear direction along the upper surface of the mat 9 and into which the lower half of the seated wearer enters the mat 9. On the front side of the child seat body 11, an opening / closing fastener 19 that opens and closes at least the upper part to the left and right is provided in the longitudinal direction from the upper end of the upper half part 16 to the front end side of the lower half part 17.

  The upper half 16 has the upper edge of the backing 15 and the left and right side edges sewn to the skin material 6c of the backrest 6 at the longitudinal fixing portions 18a, 18b. It is fixed to the crease 6 by sewing or the like. The lower half portion 17 is folded in two at the lower end portion of the upper half portion 16 when the mat 9 is erected around the support shaft 10 and fits in the recess 8, and is covered from the front side by the mat 9 fitted in the recess 8. It has come to be.

  The backing 15 may have a length from the toe of the wearer sitting on the mat 9 to the waist, or a length from the mat 9 to the rear end.

  The upper end portion of the front member 14 of the upper half 16 is higher than the upper end of the backing member 15. The upper end portion of the front member 14 has a notch corresponding to the wearer's neck at the approximate center in the left-right direction. A portion 22 is formed, and arm passing portions 23 corresponding to the wearer's arms are formed on the left and right sides thereof. A cover 25 made of a non-porous material is provided on the distal end side of the lower half 17 of the child seat body 11 so as to cover the toes of the wearer.

  The cover 25 may be provided so as to cover the front material 14 and the back material 15, or may be provided so as to connect the front ends of the front material 14 and the back material 15.

  The opening / closing fastener 19 is composed of a slide fastener 21 in which a pair of fastener chains are engaged and detached by operation of the slider 20, and the upper side of the child seat body 11 can be opened to the left and right when the wearer enters and exits. The child seat body 11 is provided in the longitudinal direction of the child seat body 11 at the approximate center in the left-right direction of the top member 14 across the upper end of the half portion 16 and the tip end portion of the lower half portion 17.

  The opening / closing fastener 19 may be provided only in the upper half portion 16 or may be provided from the upper half portion 16 to the middle portion of the lower half portion 17. A slide fastener 21 is suitable as the opening / closing fastener 19, but a hook, a button, a hook-and-loop fastener, or other fasteners may be used.

  One end of each upper seat belt 12 is sewn to the upper end of the front material 14 on both the left and right sides of the notch 22 and connected to the other with the other, and the other end is an upper outlet 26 in the recess 8 of the backrest 6. Then, it is inserted into the backrest 6 and connected to the bracket 6b of the support frame 6a in the backrest 6. The other end of each upper seat belt 12 may be connected to a known take-up mechanism in the backrest 6 via the outlet 26 so as to be adjustable in length.

  The lower seat belt 13 includes a pair of left and right belts 27 and 28 and a pair of left and right connecting members 29 and 30 that are connected to the belts 27 and 28 and can be detachably connected to each other. It arrange | positions in the left-right direction corresponding to the vicinity of the bending part where the half part 17 bends, for example, the rear end side vicinity of the lower half part 17. The other ends of the belts 27 and 28 are connected to a known take-up mechanism (not shown) in the seat 3 through the outlets 27a and 28a on the side surface of the seat 3 so as to be freely inserted and removed. The lower seat belt 13 may be disposed corresponding to the vicinity of the lower end of the upper half 16 and connected to the left and right sides of the lower end of the backrest 6.

  In the vehicle seat apparatus having the above configuration, when the child seat 2 is not used, the mat 9 is erected around the support shaft 10 and fitted into the recess 8 of the backrest 6 as shown by the phantom line in FIG. The child seat 2 is stored in the recess 8. For this reason, although it is a built-in child seat 2, it does not get in the way.

  Further, when the child seat 2 is stored, the mat 9 in the standing state becomes a part of the backrest portion 6 and can be used in the same manner as the normal backrest portion 6. The belts 27 and 28 of the lower seat belt 13 are drawn into the seat 3 to the extent that the connecting tools 29 and 30 are close to the vicinity of the left and right sides of the seat 3.

  When the child seat 2 is used, first, as shown by a solid line in FIG. 2, the mat 9 is pivoted forward around the support shaft 10 to fall on the seat portion 3, and the child seat body 11 is placed on the mat 9. After the lower half 17 is placed, the slider 20 of the slide fastener 21 is pulled down to the front end side to open the front side of the child seat body 11 to the left and right.

  Next, the wearer is put into the child seat body 11 from the open portion so that the lower body enters the lower half portion 17 of the child seat body 11 and the upper body falls into the concave portion 8 of the backrest portion 6, The left and right arms are passed through 23, and then the slider 20 of the slide fastener 21 is pulled up to close the surface side of the child seat body 11. Finally, the belts 27 and 28 of the lower seat belt 13 may be pulled out and connected by the connecting tools 29 and 30.

  Therefore, although the wearer enters the bag-shaped child seat body 11, the front side of the child seat body 11 is opened and closed by the slide fastener 21 so that the wearer can easily enter and leave the child seat body 11. Yes, it can be used easily.

  The child seat body 11 has a bag shape in which the tip end side of the toe is closed, and the rear side of the lower half portion 17 is bound to the seat portion 3 by the lower seat belt 13. Even if the wearer has enough room to move his / her feet freely, there is no risk that the wearer will move forward as in the case of an impact due to sudden braking or other reasons. Safety can be easily secured with a simple structure. Moreover, since it is possible to provide a margin enough to move the foot freely in the lower half portion 17, the feeling of restraint by the child seat 2 can be reduced.

  Further, since the upper half 16 of the child seat body 11 is fixed to the backrest 6 with fixing portions 18a and 18b such as the upper edge and both left and right side edges of the backing 15, the front side is left and right by the opening and closing fastener 19. When opened, the wearer can be easily accommodated in the child seat body 11.

  In addition, since the lower half 17 of the child seat body 11 is separated from the mat 9 and the lower half 17 is placed on the mat 9 in use, the child seat body can be used even if the angle of the backrest 6 changes. Therefore, the angle of the backrest 6 can be freely adjusted without causing unnecessary wrinkles or the like on the 11 backing material 15. Moreover, since the child seat body 11 is made of a net material, it is possible to suppress the occurrence of stuffiness or the like during wearing even though it is a bag.

  6-8 illustrate a second embodiment of the present invention. In this embodiment, the surface material 14 is fixed to the skin material 9a of the mat 9 with the fixing portions 33 and 34 at the front edge and the left and right side edges by sewing or the like, and the surface material 14 and the surface material 9a of the mat 9 The lower half 17 of the child seat body 11 is formed in a bag shape.

  Similarly to the first embodiment, the upper side of the surface material 14 is fixed to the skin material 6c of the backrest portion 6 by the fixing portions 18b on the left and right side edges by sewing or the like, and the surface material 14 and the backrest portion 6 are fixed. The lower half 17 of the child seat body 11 is formed in a cylindrical shape by the skin material 6c.

  In addition, on the upper end side of the top member 14 of the upper half portion 16, arm passage portions 23 are formed on the left and right sides of the notch portion 22 corresponding to the wearer's arm. A non-fixed portion 35 is provided between the fixed portion 18 b of the upper half portion 16 and the fixed portion 34 of the lower half portion 17 so that the angle of the backrest portion 6 can be adjusted around the pivot axis 5. Other configurations are the same as those of the first embodiment.

  In this way, it is also possible to configure a part of the child seat body 11 using the backrest 6 and the mat 9. In this case, since the backing 15 of the first embodiment is unnecessary, the structure can be further simplified.

  9 to 11 illustrate a third embodiment of the present invention. In the child seat 2 of this embodiment, the child seat body 11 is provided separately from the seat portion 3 and the backrest portion 6 of the vehicle seat 1 unlike the first and second embodiments. Is connected to a support frame 6 a in the backrest 6 via a pair of left and right upper seat belts 12. The lower seat belt 13 is substantially the same as in the first embodiment.

  The backrest 6 is provided with storage pockets 37 that are openable and closable by slide fasteners 36 in the vertical direction on the left and right sides of the front side. The pair of left and right upper seat belts 12 are connected to the support frame 6 a of the backrest portion 6 through the upper end side in the storage pocket 37. One upper seat belt 12 is configured to detachably join a belt 38 on the storage pocket 37 side and a belt 39 on the child seat body 11 side through a pair of connecting devices 40 and 41.

  Among the left and right storage pockets 37, the storage pocket 37 corresponding to the upper seat belt 12 without the connecting devices 40, 41 can be inserted and stored in a slender state by folding or winding the child seat body 11 or the like. The other storage pocket 37 can store the belt 38 with the connecting member 40 of the upper seat belt 12. Other configurations are substantially the same as those of the first embodiment.

  When the child seat 2 is not used, it is stored in the left and right storage pockets 37 and the opening side thereof is closed by the slide fastener 36.

  When the child seat 2 is used, the child seat body 11 is taken out from the storage pocket 37 and connected to the connecting members 40 and 41 of the upper seat belt 12, and then the upper half portion 16 of the child seat body 11 is shown in FIG. Is placed along the front surface of the backrest 6 and the lower half 17 is placed on the seat 3. Then, the front side of the child seat body 11 is opened by the opening / closing fastener 19 to put the wearer in the child seat body 11. And after closing the fastener 19 for opening and closing, the lower seatbelt 13 should just be fastened.

  If comprised in this way, it can implement easily by the change of the grade which adds the storage pocket 37 and the upper seatbelt 12 to the right-and-left both sides of the backrest part 6 of the vehicle seat 1. FIG. The storage pockets 37 are on the left and right sides of the backrest portion 6 of the vehicle seat 1, and when not in use, the child seat 2 is stored in the storage pocket 37, so that these do not interfere.

  12-14 illustrate a fourth embodiment of the present invention. In the child seat 2 of this embodiment, the child seat body 11 includes a left half portion 44 and a right half portion 45 that are separably connected to each other via an opening / closing fastener 19. On both the left and right sides of the backrest 6, there are provided storage pockets 37 with slide fasteners 36 for storing the left half 44 and the right half 45 separated into the left and right sides, and the front side of the left half 44 and the right half 45. The upper seat belt 12 connected to the upper end portion is connected to the backrest portion 6 through the storage pocket 37.

  The left half portion 44 and the right half portion 45 are separated to the left and right at the approximate center of the child seat body 11, and the opening and closing fastener 19 extends from the upper end of the front material 14 to the upper end side of the backing 15 through the tip. For example, a slide fastener 21 is provided. The slide fastener 21 engages the end of one fastener chain with the slider 20 on the upper end side of the backing 15 and pulls the slider 20 up to the upper end side of the front member 14 through the front end side of the child seat body 11. The half part 44 and the right half part 45 are connected.

  The storage pocket 37 is approximately the same size on both the left and right sides. The lower seat belt 13 is the same as in the first embodiment.

  Also in this embodiment, when the child seat 2 is not used, the child seat main body 11 is separated into the left half 44 and the right half 45 at the portion of the slide fastener 21, and stored in the storage pocket 37 together with the upper seat belt 12, The opening side is closed by the slide fastener 36 and placed. In this way, the child seat body 11 is divided into left and right parts and stored in the storage pocket 37 so that the left and right storage pockets 37 of the backrest portion 6 can be made substantially symmetrical, and the child seat body 11 is stored in the storage pocket 37. However, there is no problem that one of them is extremely bulky.

  When the child seat 2 is used, the left half 44 and the right half 45 are taken out from each storage pocket 37 and the opposite end edges of the left half 44 and the right half 45 are connected by the slide fastener 21 to form a bag. The child seat body 11 is configured.

  Then, in a state where the slider 20 of the slide fastener 21 is pulled up to about half of the front side, the upper half portion 16 of the child seat body 11 is arranged along the front surface of the backrest portion 6 and the lower half portion 17 is placed on the seat portion 3. Put it on. Thereafter, the wearer is put in the child seat body 11, the slider 20 is pulled up and closed, and the lower seat belt 13 is fastened.

  Even in such a configuration, it can be easily implemented by changing the extent to which the storage pocket 37 and the upper seat belt 12 are added to the left and right sides of the backrest portion 6 of the vehicle seat 1.

  As mentioned above, although the Example of this invention was explained in full detail, it is not limited to this Example, A various change is possible in the range which does not deviate from the meaning of this invention.

  For example, in the first embodiment, the child seat main body 11 is fixed to the backrest 6 side by the fixing portions 18a and 18b, but the child seat main body 11 is provided with a fastener means for attaching and detaching such as a hook-and-loop fastener. The child seat 2 as a whole is attached to the vehicle seat 1 as required, for example, by detachably attaching it in the recess 8 of the backrest portion 6 and interposing a detachable connector in the middle of each upper seat belt 12. May be detachable. Further, the lower half 17 of the child seat body 11 may be detachably attached to the mat 9 via a detachable fastener means such as a hook-and-loop fastener.

  Furthermore, the child seat body 11 may be bag-shaped in a substantially U shape in side view along the seat portion 3 and the backrest portion 6. The child seat body 11 may be made of other materials. The net material of the front material 14 and the back material 15 is preferably such that fingers of the wearer's limbs do not enter. The arm passage portion 23 of the upper half portion 16 of the child seat body 11 may have a hole shape or a notch shape as illustrated in each embodiment.

  In the case of the second and third embodiments, when the child seat 2 is used, the left and right sides on the upper end side of the backing 15 of the child seat body 11 are attached to and detached from the corresponding position of the backrest portion 6 by hooks or other fixing means. You may make it fix freely. If it does in this way, since the upper end side of the backing 15 of the child seat main body 11 can be fixed and the dripping etc. can be prevented, the putting in and taking out of a wearer with respect to the child seat main body 11 can be made easy.

  As the fastener for opening and closing the storage pocket 37, a slide fastener 36 is suitable, but a hook, a button, a hook-and-loop fastener, and other fasteners may be used. The vehicle seat 1 is generally used for automobiles, but the present invention can be similarly applied to various types of vehicles such as airplanes, ships, and the like.

1 is a perspective view of a vehicle seat device with a child seat according to a first embodiment of the present invention. FIG. It is side surface sectional drawing of the principal part. It is a plane sectional view of the important section. It is front sectional drawing of the principal part. It is side surface sectional drawing of the principal part of the vehicle seat apparatus with a child seat which shows the 2nd Example of this invention. It is a plane sectional view of the important section. It is front sectional drawing of the principal part. It is a perspective view of the vehicle seat apparatus with a child seat which shows the 3rd Example of this invention. It is a plane sectional view of the important section. It is front sectional drawing of the principal part. It is a perspective view of the vehicle seat apparatus with a child seat which shows the 4th Example of this invention. It is a plane sectional view of the important section. It is front sectional drawing of the principal part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Child seat 3 Seat part 6 Backrest part 8 Recessed part 9 Mat 11 Child seat main body 12 Upper seat belt 13 Lower seat belt 16 Upper half part 17 Lower half part 19 Opening / closing fastener 22 Notch part 37 Storage pocket 44 Left half Part 45 right half

Claims (1)

In the vehicle seat apparatus in which the child seat (2) is storable on the vehicle seat (1), the vehicle seat (1) includes the seat back (3) and the backrest (6), the backrest. A recessed portion (8) formed on the front surface of the portion (6), and a standing portion whose lower end portion is pivotally attached to the backrest portion (6) in the recessed portion (8) and fitted into the recessed portion (8) from the front side. A mat (9) that is freely rotatable between a state and a use state that falls on the seat (3), wherein the child seat (2) is configured in a bag shape with a closed front end and is in the use state. a mat (9) the wearer incident Ruchi Yairudoshito body seated on (11), coupled to the backrest front side of the upper end in the recess (8) (6) of the child seat body (11) a pair of right and left upper seat belt (12), said child seat present (11) provided with the front side of the upper end to the front end opening zipper (19) at least opening and closing the top on the left and right front side in the longitudinal direction is provided and the child seat body (11) and of said seat body (11) An upper half (16) that is arranged in the vertical direction along the backrest (6) in the recess (8) and into which the upper half of the wearer enters , and bending of the lower end of the upper half (16) A lower half portion (17) extending forward from the portion along the mat (9) in the use state and disposed in the front-rear direction on the mat (9) and into which the lower half of the wearer enters, A lower seat belt (13) for tying the child seat body (11) to the vehicle seat (1) in the vicinity of the bent portion is provided separately from the child seat body (11), and the back side of the upper half (16) is The recess 8) The child seat body (11) in the recess (8) is fixed to the backrest (6) by the fixing portions (18a) and (18b) in the inner portion and the mat (9) is in the upright state. The vehicle seat device covers the upper seat belt (12) from the front side .

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