JP2014004926A - Structure of car seat mounting part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of a car seat mounting part by which a connector can be easily inserted with a simple structure.SOLUTION: A recessed part 22 is formed in a position corresponding to each lower anchor on a lower end of a seat back pad 14A. The recessed part 22 is formed to have a recessed shape by reducing a thickness in a longitudinal direction at a part of the seat back pad 14A, and is opened to a back side and a lower side. A thin part 24 is formed on a front side of a position corresponding to the recessed part 22 of the seat back pad 14A. The thin part 24 forms a wall surface of the recessed part 22 on a front side of a vehicle body. A slit part 26 is formed in a center part of the thin part 24 in a vehicle width direction.

Description

  The present invention relates to a child seat mounting portion structure for attaching a child seat to a vehicle seat.

  2. Description of the Related Art Conventionally, a child seat mounting portion structure including a lower anchor for attaching a child seat to a vehicle seat is known. For example, Patent Document 1 below discloses a child seat mounting portion structure corresponding to ISOFIX (hereinafter simply referred to as “ISOFIX”), which is an international standard for a system that includes a lower anchor and fixes a child seat to a vehicle seat. .

  In the child seat mounting portion structure corresponding to ISOFIX, the child seat is attached by connecting the child seat connecting connector to the lower anchor disposed between the seat cushion and the seat back of the vehicle seat. In this case, when the lower anchor is exposed to the front side of the vehicle seat, the appearance when the child seat is not attached is deteriorated and a foreign object feeling at the time of sitting is caused. Therefore, in Patent Document 1, a lower anchor (striker) is sandwiched between the seat cushion and the seat back so as not to be exposed to the front side of the vehicle seat, and a groove for inserting a child seat connector is formed in the seat back cushion, Covered with epidermis. In Patent Document 2, two slits are provided so that the seat pad corresponding to the lower anchor is deformed when the child seat connector is inserted.

  However, in the configuration of Patent Document 1, since the groove portion is hollow, even if it is covered with a skin, it affects the appearance such as a depression on the front surface of the sheet. Further, in Patent Document 2, since the child seat connector is inserted by deforming the seat pad so as to collapse, it is necessary to configure the slit portion of the skin with a stretchable member so as to follow the deformation of the seat pad. The structure of the epidermis is complicated.

JP 2008-1214 A JP 2001-260731 A

  In view of the above facts, the present invention has an object to obtain a child seat mounting portion structure in which a connector can be easily inserted with a simple configuration and the appearance of a vehicle seat when not in use is not impaired.

  The child seat mounting portion structure according to the first aspect of the present invention includes a seat pad, a skin member that covers at least a surface of the seat pad on which a passenger is seated, a vehicle seat having a seat frame, and the vehicle seat or It is fixed to a vehicle body constituting member that constitutes a vehicle body arranged behind the vehicle seat, and is formed at a position facing the vehicle seat front-rear direction with a fixing member to which a child seat connector is connected, and the seat pad. A vehicle body at a position facing the vehicle body front-rear direction with respect to the fixing member of the thin-walled portion, a concave portion that opens to the rear side of the vehicle body, a thin-walled portion that constitutes the front side of the vehicle body at a position corresponding to the concave portion of the seat pad A slit portion that is formed along the vertical direction and penetrates the thin portion in the front-rear direction of the vehicle body.

  In the child seat mounting portion structure according to the first aspect, when the child seat is attached, the child seat connector is pushed toward the fixing member from the outer surface of the seat pad at the portion corresponding to the slit portion. Then, the thin portion of the seat pad is deformed so as to be retracted into the recess, the skin member is also deformed according to the deformation of the seat pad, and the child seat connector is inserted into the recess. Then, by further pushing in, the child seat connector can be connected to the front end of the fixing member.

  According to the child seat mounting portion structure of the present invention, since the slit portion is formed in the thin portion and the concave portion is formed on the vehicle rear side of the thin portion, the thin portion can be easily deformed. it can. Moreover, since the slit part is formed in the position which opposes the fixing member of a thin part, the thin part of the right and left both sides of this slit part deform | transforms into a recessed part side easily at the time of connector insertion. Therefore, the child seat connector can be easily inserted and connected to the fixing member with a simple configuration.

  Moreover, since the fixing member is opposed to the thin-walled portion in the longitudinal direction of the vehicle body and disposed behind the thin-walled portion, the appearance of the vehicle seat when not in use is not impaired.

  The child seat mounting portion structure according to the second aspect of the present invention is the child seat mounting portion structure according to the first aspect, wherein the slit portion is covered by the skin member as viewed from the front side of the vehicle seat. It is characterized by.

  According to the child seat mounting portion structure of the present invention, since the slit portion is covered by the skin member, the appearance of the vehicle seat can be improved.

  The child seat mounting portion structure according to the third aspect of the present invention is the child seat mounting portion structure according to the first or second aspect, wherein the front end of the fixing member is disposed in the recess when viewed from above the vehicle. It is characterized by this.

  According to the child seat mounting portion structure of the present invention, since the distance from the connector insertion start position of the child seat to the fixing member is shortened, it is possible to more easily connect the child seat connector and the fixing member.

  The child seat mounting portion structure according to the present invention described in claim 4 is the child seat mounting portion structure according to any one of claims 1 to 3, wherein at least a part of the recess is covered by the skin member. A recessed inner space portion is formed between the seat pad and the skin member, and the thin portion and the skin member are separately deformed when the child seat connector is connected to the fixing member. It is characterized by becoming a state.

  According to the child seat mounting portion structure of the present invention, since the recessed space portion is formed, when connecting the child seat connector to the fixing member, the thin wall portion is deformed separately from the outer skin member, and the inner side of the outer skin member. Therefore, the amount of deformation of the skin member can be reduced.

  According to the child seat mounting portion structure according to the first aspect of the present invention, the connector can be easily inserted with a simple configuration. Further, the appearance of the vehicle seat when not in use is not impaired.

  According to the child seat mounting portion structure according to the second aspect of the present invention, the appearance of the vehicle seat can be improved by preventing the slit portion from being seen from the outside by the skin member.

  According to the child seat mounting portion structure according to the third aspect of the present invention, since the fixing member is arranged on the front side of the seat pad, the insertion distance of the child seat connector is shortened, and the connection between the child seat connector and the fixing member is reduced. Can be performed more easily.

  According to the child seat mounting portion structure according to the fourth aspect of the present invention, when the connector of the child seat is connected to the fixing member, the amount of deformation of the skin member is reduced, thereby connecting the child seat connector and the fixing member. It can be done more easily.

It is a perspective view of a part of a rear seat to which the child seat mounting portion structure of the first embodiment is applied. It is a side view which shows the child seat mounting part structure of 1st Embodiment. It is sectional drawing of the BB line of FIG. 4 before the connector insertion which shows the child seat mounting part structure of 1st Embodiment. It is sectional drawing of the AA line of FIG. 1 before the connector insertion which shows the child seat mounting part structure of 1st Embodiment. It is an expansion perspective view before the connector insertion which shows the child seat mounting part structure of 1st Embodiment. It is sectional drawing of the BB line of FIG. 4 after connector insertion which shows the child seat mounting part structure of 1st Embodiment. It is sectional drawing of the AA line of FIG. 1 after connector insertion which shows the child seat mounting part structure of 1st Embodiment. It is an expansion perspective view after connector insertion which shows the child seat mounting part structure of a 1st embodiment. It is sectional drawing of the CC line of FIG. 10 before connector insertion which shows the child seat mounting part structure of 2nd Embodiment. It is sectional drawing of the AA line of FIG. 1 before connector insertion which shows the child seat mounting part structure of 2nd Embodiment. It is sectional drawing of the CC line of FIG. 10 after connector insertion which shows the child seat mounting part structure of 2nd Embodiment. It is sectional drawing of the AA line of FIG. 1 after the connector insertion which shows the child seat mounting part structure of 2nd Embodiment.

[First Embodiment]

  The child seat mounting part structure according to the first embodiment of the present invention will be described with reference to FIGS. In these drawings, the front side in the vehicle front-rear direction is indicated by an arrow FR, and the upper side in the vehicle vertical direction is indicated by an arrow UP. Moreover, in the following description, when using the front and rear direction and the up and down direction, unless otherwise specified, the front and rear direction of the vehicle and the up and down direction of the vehicle are shown.

  As shown in FIG. 1, the child seat mounting portion structure 10 of this embodiment is applied to a rear seat 12 of a vehicle. The rear seat 12 is tiltable, and the seat back 14 is configured to be tiltable with respect to the seat cushion 16.

  As shown in FIG. 2, the rear seat 12 according to this embodiment includes a seat cushion 16 on which an occupant is seated, a seat back 14 that holds the back of the occupant seated on the seat cushion 16, and the seat back 14. A headrest (not shown) that is attached to the upper end and supports the head of the occupant is a main element. A plurality of (four in this case) lower anchors 42 for attaching child seats 40 corresponding to ISOFIX (international standard) are provided at the lower rear of the rear seat 12.

  The seat cushion 16 is attached to the upper surface of the rear floor panel of the vehicle body or on the seat frame, and includes a seat cushion pad 16A formed of foamed urethane or the like as shown in FIG. The seat cushion pad 16A, together with a seat cushion spring (not shown), secures the cushioning property of the seat cushion 16 and forms the external shape of the seat cushion 16 itself. The surface of the seat cushion pad 16A is covered with a cushion skin member 16B formed of cloth material, leather or the like.

  The seat back 14 is erected upward from the upper part of the rear end side of the seat cushion 16, and a boundary portion 20 is formed between the seat back 14 and the seat cushion 16. The seat back 14 includes a seat back pad 14A formed of foamed urethane or the like.

  As shown in FIGS. 3 and 4, a recess 22 is formed at a position corresponding to each lower anchor 42 at the lower end of the seat back pad 14 </ b> A. The recess 22 is formed so as to be recessed by partially reducing the thickness in the front-rear direction of the lower end portion of the seat back pad 14 </ b> A, and opens to the rear side of the seat back 14 and the lower side of the seat back 14. . A front end portion 44 </ b> A of an anchor bar 44 described later of the lower anchor 42 is disposed in the recess 22.

  A thin portion 24 is formed on the front side of the position corresponding to the recess 22 of the seat back pad 14A. The thin portion 24 forms a wall surface of the recess 22 on the vehicle body front side. The thin portion 24 is thinner in the front-rear direction than the other portions of the seat back pad 14A. The thickness of the thin portion 24 is a thickness that does not affect the appearance of the front side of the seat back 14, and is preferably as thin as possible, and is preferably 15 mm or more. Further, it is preferable to secure a clearance 45 of 5 mm or more between the wall surface 22 </ b> C on the vehicle body front side of the recess 22 and the front end 44 </ b> A of the anchor bar 44.

  A slit portion 26 is formed in the thin portion 24. The slit portion 26 is formed at the vehicle width direction center portion of the thin portion 24 so as to face the anchor bar 44 of the lower anchor 42 in the vehicle longitudinal direction. The slit portion 26 extends in the vertical direction and reaches the lower end of the thin portion 24 (see FIG. 5), and is formed by a groove that penetrates the thin portion 24 in the front-rear direction. In addition, although the width D (refer FIG. 4) of the slit part 26 is narrower than the width | variety of the connector 40A, it is as narrow as possible and it is preferable to set it as 5 mm or less. When forming the slit part 26 at the time of shaping | molding of the seat back pad 14A, it is preferable to make thickness of a type | mold into the minimum width | variety which can be shape | molded. Moreover, when forming the slit part 26 by post-processing after shaping | molding of the seat back pad 14A, it is also possible to make it notch | not wide.

  The surface of the seat back pad 14A on the side where an occupant sits is covered with a back skin member 14B formed of cloth material, leather, or the like. Thereby, the slit part 26 is not exposed on the side where the occupant is seated. The back skin member 14B is folded back to the rear side at the lower end of the seat back pad 14A, and is attached to the back surface of the seat back pad 14A above the concave portion 22. Thereby, the recessed part 22 is divided | segmented into the concave inner space part 22A made into closed space by the back skin member 14B, and the concave outer space part 22B of the outer side of the back skin member 14B.

  The lower anchor 42 includes a base 46 and an anchor bar 44 attached to the floor panel. The anchor bar 44 is substantially U-shaped and has a front end portion 44A and a side portion 44B. The front end portion 44 </ b> A constitutes an intermediate portion of the U shape of the anchor bar 44, and the side portion 44 </ b> B constitutes both end portions of the U shape of the anchor bar 44. The side portion 44B is fixed to the base 46, and the front end portion 44A is disposed in the recessed portion 22 of the seat back pad 14A, that is, in the recessed outer space portion 22B, as viewed from above the vehicle.

  Next, the operation and effect of this embodiment will be described.

  When the child seat 40 is installed, as shown in FIG. 2, the connector 40 </ b> A of the child seat 40 is directed toward the seat back 14 and pushed in from the outside of the back skin member 14 </ b> B corresponding to the slit portion 26. Then, as shown in FIGS. 6 to 8, the thin portion 24 opens to both sides from the vicinity of the lower end of the slit portion 26 and the lower portion is lifted, and the thin portion 24 is deformed so as to be retracted into the recess 22. Further, the back skin member 14B is also deformed so that the connector 40A is inserted while being pushed backward. At this time, since no slit is formed in the back skin member 14B, the back skin member 14B and the thin portion 24 are deformed separately. The connector 40A is inserted toward the anchor bar 44 and connected to the anchor bar 44.

  According to the child seat mounting portion structure 10 of the present embodiment, the thin portion 24 is formed with the slit portion 26, and the recessed portion 22 is formed on the rear side of the thin portion 24, so that the front and rear of the thin portion 24 itself. Since the thickness in the direction is thin, the thin portion 24 can be easily deformed rearward. Therefore, the connector 40 </ b> A of the child seat 40 can be easily inserted into the recess 22 and connected to the anchor bar 44.

  Moreover, since the slit part 26 is formed in the position corresponding to the anchor bar 44 of the thin part 24, it deform | transforms into the recessed part 22 side, while the thin part 24 of the both right and left sides of the slit part 26 opens. Accordingly, the thin portion 24 can be easily deformed toward the concave portion 22 even with a simple configuration having only one slit portion 26.

  Further, in the child seat mounting portion structure 10 of the present embodiment, the slit portion 26 is covered by the back skin member 14B. Therefore, the appearance of the rear seat 12 can be improved.

  Further, in the child seat mounting portion structure 10 of the present embodiment, the front end portion 44A of the anchor bar 44 is disposed in the concave portion 22 (the concave outer space portion 22B). Therefore, the distance for inserting the connector 40A of the child seat 40 is shortened, and the connector 40A and the anchor bar 44 can be more easily connected.

  In the child seat mounting portion structure 10 of the present embodiment, the back skin member 14B and the thin portion 24 are separately deformed when the connector 40A is inserted. At this time, the thin portion 24 is deformed in the concave inner space portion 22 </ b> A inside the back skin member 14 </ b> B, and the back skin member 14 </ b> B having no slit is less deformed than the thin portion 24. Therefore, the amount of deformation of the back skin member 14B can be reduced, and the degree of freedom in material selection can be increased.

  In the present embodiment, the front end portion 44A of the anchor bar 44 is disposed in the concave portion 22 (the concave outer space portion 22B). However, the anchor bar 44 is not necessarily disposed in the concave portion 22, and is disposed behind the concave portion 22. Also good.

  Further, in the present embodiment, the entire recess 22 is covered with the back skin member 14B, but the entire recess 22 is not necessarily covered, and may be configured to partially cover. Moreover, the structure by which the edge part of the back skin member 14B is arrange | positioned at the lower end part of the thin part 24 without covering the recessed part 22 may be sufficient.

[Second Embodiment]

  Next, a child seat mounting portion structure 50 according to a second embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  In this embodiment, the structure for inserting the connector 40A of the child seat 40 into the seat cushion 16 instead of the seat back 14 of the rear seat 12 is provided.

  As shown in FIG. 9, an upright portion 30 that rises upward is formed at the rear end of the seat cushion 16. The upright portion 30 is configured as a part of the seat cushion 16, and its exterior is formed by the seat cushion pad 16 </ b> A. The seat cushion pad 16 </ b> A of the upright portion 30 is formed with a recess 32 at a position corresponding to each lower anchor 42. The recessed portion 32 is formed so as to be recessed by partially reducing the thickness of the seat cushion pad 16 </ b> A in the front-rear direction, and opens to the rear side and the upper side of the rising portion 30. The lower end of the recess 32 is disposed below the seating portion of the seat cushion 16. A front end 44 </ b> A of the anchor bar 44 is disposed in the recess 32.

  A thin portion 34 is formed on the front side of the position corresponding to the recess 32 of the seat cushion pad 16A. The thin portion 34 constitutes a wall surface on the vehicle body front side of the recess 32. The thin portion 34 is thinner in the front-rear direction than the portion of the raised portion 30. In addition, about the thickness of the thin part 34, it is preferable to set it as the numerical value range similar to the thin part 24 of 1st Embodiment.

  As shown in FIG. 10, a slit portion 36 is formed in the thin portion 34. The slit portion 36 is formed at the center of the thin portion 34 in the vehicle width direction so as to face the lower anchor 42 in the longitudinal direction of the vehicle body. The slit portion 36 extends in the vertical direction and reaches the upper end of the thin portion 34 and is formed so as to penetrate the thin portion 34 in the front-rear direction. It should be noted that the numerical range of the width of the slit portion 36 is preferably set to the same numerical range as the slit portion 26 of the first embodiment.

  The surface of the seat cushion pad 16A on the side where an occupant sits is covered with a cushion skin member 16B formed of cloth material, leather, or the like. Thereby, the slit part 36 is not exposed to the side where a passenger | crew seats. Further, the cushion skin member 16B is folded back to the rear side of the seat cushion pad 16A at the upper end of the raised portion 30, and is attached to the seat cushion pad 16A below the concave portion 32. Thereby, the recessed part 32 is divided | segmented into the recessed inner space part 32A made into the closed space by the cushion skin member 16B, and the recessed outer space part 32B of the outer side of the cushion skin member 16B.

  Next, the operation and effect of this embodiment will be described.

  When installing the child seat 40, the connector 40 </ b> A of the child seat 40 is directed toward the seat back 14, and the child seat 40 is pushed in from the outside of the cushion skin member 16 </ b> B corresponding to the slit portion 36. Then, as shown in FIG. 11 and FIG. 12, the thin portion 34 opens to both sides from the vicinity of the lower end of the slit portion 36, and the lower side is lifted and deformed to be retracted to the recess 32. The cushion skin member 16B is also deformed so that the connector 40A is inserted while being pushed backward. At this time, since no slit is formed in the cushion skin member 16B, the cushion skin member 16B and the thin portion 34 are deformed separately. The connector 40A is inserted toward the anchor bar 44 and connected to the anchor bar 44.

  According to the child seat mounting portion structure 50 of the present embodiment, the thin portion 34 is formed with the slit portion 36, and the recessed portion 32 is formed on the rear side of the thin portion 34 so that the front and rear of the thin portion 34 itself. Since the thickness in the direction is thin, the thin portion 34 can be easily deformed rearward. Therefore, the connector 40 </ b> A of the child seat 40 can be easily inserted into the recess 32 and connected to the anchor bar 44.

  Further, the slit portion 36 is formed at the vehicle width direction central portion of the thin portion 34, and the thin portions 34 on both the left and right sides of the slit portion 36 are deformed toward the concave portion 32 while being opened, so that only one slit portion is required. The thin portion 34 can be easily deformed into the recess 32.

  Moreover, in the child seat mounting part structure 10 of this embodiment, the slit part 36 is covered with the cushion skin member 16B. Therefore, the appearance of the rear seat 12 can be improved.

  Further, also in the child seat mounting portion structure 50 of the present embodiment, the front end portion 44A of the anchor bar 44 is disposed in the concave portion 32 (the concave outer space portion 32B). Therefore, the distance for inserting the connector 40A of the child seat 40 is shortened, and the connector 40A and the anchor bar 44 can be more easily connected.

  Further, in the child seat mounting portion structure 50 of the present embodiment, when the connector 40A is inserted, the cushion skin member 16B and the thin portion 34 are deformed separately. At this time, the thin wall portion 34 is deformed in the concave inner space portion 32A inside the cushion skin member 16B, and the cushion skin member 16B in which no slit is formed is less deformed than the thin wall portion 34. Therefore, the amount of deformation of the cushion skin member 16B can be reduced, and the degree of freedom of material selection can be increased.

  In the present embodiment, the front end portion 44A of the anchor bar 44 is disposed in the recessed portion 32 (the recessed outer space portion 32B). However, the anchor bar 44 is not necessarily disposed in the recessed portion 32 and is disposed behind the recessed portion 32. Also good.

  Further, in the present embodiment, the entire recess 32 is covered with the cushion skin member 16B. However, the entire recess 32 is not necessarily covered, and may be configured to partially cover the recess 32. Moreover, the structure by which the edge part of the cushion skin member 16B is arrange | positioned at the lower end part of the thin part 34 without covering the recessed part 32 may be sufficient.

  In the first and second embodiments, the example in which the lower anchor 42 is attached to the floor panel has been described. However, other positions such as the frame of the seat back 14 of the rear seat 12 and the frame of the seat cushion 16 are described. It may be fixed to.

  The embodiment of the present invention has been described above, but the present invention is not limited to the above, and various modifications other than those described above can be implemented without departing from the spirit of the present invention. Of course.

10 Child seat mounting structure 12 Rear seat (vehicle seat)
14 Seat back (vehicle seat)
14A Seat back pad (seat pad)
14B Back skin member (skin member)
16 Seat cushion (vehicle seat)
16A Seat cushion pad (seat pad)
16B Cushion skin member (skin member)
22 concave portion 24 thin portion 26 slit portion 32 concave portion 34 thin portion 36 slit portion 36 thin portion 40A connector 40 child seat 44 anchor bar (fixing member)
44A Front end 50 Child seat mounting structure

Claims (4)

A seat pad, a skin member that covers at least a surface of the seat pad on which a passenger is seated, and a vehicle seat having a seat frame;
A fixing member that is fixed to a vehicle body constituting member that constitutes the vehicle seat or a vehicle body arranged behind the vehicle seat, and to which a child seat connector is connected;
A recessed portion that is formed at a position facing the fixing member of the seat pad in the longitudinal direction of the vehicle body and opens to the vehicle body rear side;
A thin portion constituting the front side of the vehicle body at a position corresponding to the recess of the seat pad;
A slit portion that is formed along the vehicle vertical direction at a position facing the fixing member of the thin portion in the vehicle longitudinal direction, and that penetrates the thin portion in the vehicle longitudinal direction;
Child seat mounting structure with   The child seat mounting portion structure according to claim 1, wherein the skin member covers the slit portion when viewed from the front side of the vehicle seat.   3. The child seat mounting portion structure according to claim 1, wherein a front end of the fixing member is disposed in the recess when viewed from above the vehicle.   When at least a part of the recess is covered with the skin member to form a closed concave space between the seat pad and the skin member, when connecting the child seat connector to the fixing member, The child seat mounting portion structure according to any one of claims 1 to 3, wherein the thin portion and the skin member are deformed separately.