JP2017043282A - Vehicle rear part structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle rear part structure which prevents a seat back from protruding to the outside of a vehicle through a back door opening during reclining without increasing the number of components and also prevents deformation of a quarter trim.SOLUTION: A vehicle rear part structure includes a rear seat 110 and a quarter trim 130. The quarter trim 130 has: a side wall portion 132 which faces a vehicle exterior side surface 140 of a seat back 114 with a gap α formed therebetween; and a rear wall portion 134 extending from a rear end 144 of the side wall portion 132 to an inner side in a vehicle width direction. The rear wall portion 134 includes a support surface 150 which makes at least line contact with the reclined seat back 114 and supports the seat back 114 reclined by the support surface 150.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle rear structure including a rear seat including a reclining seat back and a quarter trim that is an interior member disposed between the rear side door opening and the back door opening.

  2. Description of the Related Art Conventionally, a reclining device is provided on a vehicle seat so that an occupant can arbitrarily change an inclination angle of a seat back. For example, Patent Document 1 discloses a reclining device 10 including a lock mechanism 12. In the lock mechanism 12, the seat back is inclined at a desired angle of the occupant by engaging the teeth 18 of the lock gear 20 with the internal teeth.

JP-A-2-228914

  However, there are vehicles that do not have sufficient space behind the rear seat, such as a small hatchback vehicle. In such a vehicle, when the seat back is inclined rearward, there is a possibility that the seat back hits a quarter trim that is an interior member on the side of the luggage compartment. Therefore, there is a possibility that the quarter trim may be deformed or detached. In addition, when the back door is open, if the seat back is tilted too far backward, the headrest may come out of the vehicle through the back door opening when a part of the seat back or the headrest is present. In such a case, the back door cannot be closed, and there is a risk that the back door may be damaged in an attempt to forcibly close the back door.

  For this reason, for example, a striker or the like is provided on the vehicle body side, and an engaging member that engages with the striker is provided on the seat back so as to constitute a stopper that does not tilt the seat back backward from a predetermined position. . However, there have been problems such as an increase in cost and weight due to an increase in the number of parts due to the stopper, and a problem that the appearance of the striker deteriorates because the convex portion of the striker appears in the passenger compartment.

  SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a vehicle rear structure that prevents a seat back from coming out of a vehicle through a back door opening during reclining without increasing the number of parts, and prevents a quarter trim from being deformed. The purpose is to do.

  In order to solve the above problems, a typical configuration of a vehicle rear structure according to the present invention is a rear seat including a reclining seat back, and an interior member disposed between the rear side door opening and the back door opening. A vehicle rear portion structure including a quarter trim, the quarter trim including a side wall portion facing the vehicle outer side surface of the seat back with a gap, and a rear wall portion extending inward in the vehicle width direction from the rear end of the side wall portion. The rear wall portion includes a support surface that makes at least line contact with the reclining seat back.

  According to the vehicle rear structure of the present invention, the side wall portion of the quarter trim faces the side surface of the seat back on the vehicle outer side with a gap therebetween. Therefore, when reclining the seat back, the side surface or shoulder opening of the seat back does not hit the side wall portion of the quarter trim. On the other hand, the rear wall portion that continuously extends from the rear end of the side wall portion toward the vehicle interior side in the vehicle width direction has a support surface that is in line contact with the seat back when the seat back is reclining. Therefore, when reclining the seat back, the seat back does not fall behind the support surface. Therefore, it is possible to prevent the seat back from going out of the vehicle through the back door opening.

  As described above, the idea of the present invention is that the quarter trim, which is an interior member and is not supposed to come into contact with the shoulder opening or the back surface of the seat back, and hit the seat back unexpectedly, is rather positive. The seat back is brought into contact with the seat back to support the seat back. Therefore, although the seat back comes into contact with the quarter trim, in the present invention, since the support surface is in line contact with the seat back as described above, a wide range of the seat back comes into contact with the quarter trim. Therefore, the force applied to the quarter trim from the seat back can be efficiently dispersed, and the seat back can be supported without causing the deformation of the quarter trim.

  In addition, according to the present invention, the seat back is supported by devising the shape of the quarter trim, so that the number of parts does not increase, and problems such as an increase in cost and weight and a decrease in appearance occur. Nor.

  The support surface may be a surface in which a part of the rear wall portion is retracted. By doing in this way, a seat back can be inclined more back.

  The support surface may be inclined from the vehicle rear side toward the vehicle front side and in surface contact with the seat back. By doing in this way, it is possible to support a seat back more stably at the time of reclining. Further, since the seat back comes into surface contact with the support surface, the force applied to the quarter trim can be more efficiently dispersed, and the deformation of the quarter trim can be prevented more fully.

  The rear seat further includes a headrest provided at the upper end of the seat back and supporting the head of the occupant, and the support surface is formed at a position where the rear end of the headrest is inside the back door opening when contacting the seat back. It is good to have. In this way, it is possible to prevent the headrest from going out of the vehicle through the back door opening.

  The vehicle rear structure may further include a reinforcing rib provided on the opposite side of the support surface of the rear wall portion of the quarter trim to reinforce the support surface from the opposite side. According to the said structure, it can fully prevent that a quarter trim deform | transforms or removes by reinforcing from the opposite side of a support surface.

  The vehicle rear portion structure may further include a vehicle body panel on the vehicle rear side of the rear wall portion of the quarter trim, and a spacer provided between the opposite side of the support surface of the rear wall portion and the vehicle body panel. Also with the above configuration, it is possible to reinforce from the opposite side of the support surface, and it is possible to more fully prevent the quarter trim from being deformed or detached.

  According to the present invention, it is possible to provide a vehicle rear structure capable of preventing the seat back from coming out of the vehicle from the back door opening during reclining without increasing the number of parts, and preventing the deformation of the quarter trim. is there.

1 is a perspective view of an interior of an automobile according to an embodiment of a vehicle rear structure according to the present invention. FIG. 2 is an enlarged view around the quarter trim of FIG. 1. It is a figure which shows the detail of the support surface of FIG. It is a figure which shows the state which the seat back of FIG. 1 reclined back. It is EE sectional drawing of FIG.4 (b). It is a figure which shows the modification which replaced with the reinforcing rib of FIG. 3 and used the spacer.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

  FIG. 1 is a perspective view of an automobile 100 according to an embodiment of a vehicle rear structure according to the present invention. In FIG. 1, only the rear seat 110 is shown, and the front seat is not shown. In all the drawings of the present application, arrows X, Y, and Z indicate the vehicle upper side, the vehicle front side, and the vehicle left side, respectively.

  As shown in FIG. 1, the automobile 100 has a back door opening 104 at the rear of the vehicle body, and a rear side door opening 106 and a front door opening 108 on the side of the vehicle body. A rear seat 110 is present in front of the back door opening 104. The rear seat 110 includes a seat cushion 112 that is a seat surface, and a seat back 114 that is attached to a rear portion of the seat cushion 112 so as to be reclining. A headrest 116 that supports the head of the occupant is provided at the upper end of the seat back 114. The rear seat 110 is an electric or manual slide seat, and moves in the vehicle front-rear direction along a slide rail 122 provided on the floor 120 of the vehicle body. In FIG. 1, the rear seat 110 is in the position moved most backward.

  In FIG. 1, a quarter trim 130 is disposed between the rear side door opening 106 and the back door opening 104. The quarter trim 130 is an interior member, and the quarter trim 130 ensures the appearance quality inside the vehicle body.

  FIG. 2 is an enlarged view around the quarter trim 130 of FIG. In FIG. 2, the rear seat 110 shown in FIG. 1 is omitted. The quarter trim 130 has a side wall part 132 and a rear wall part 134. One end 142 of the side wall 132 covers the rear edge 143 of the rear side door opening 106, extends from there to the rear of the vehicle, and the other end, that is, the rear end 144 is continuous with the rear wall 134. The rear wall portion 134 extends from the rear end 144 of the side wall portion 132 to the left side of the vehicle, that is, inward in the vehicle width direction, and curves to the vehicle rear side in the middle and extends to the side edge 146 of the back door opening 104. In the present specification, a curved portion of the rear wall portion 134 is referred to as a curved portion 148. The side wall part 132 and the rear wall part 134 are flush with each other, and there is no unevenness between them. As shown in FIG. 2, the rear wall portion 134 includes a support surface 150 that supports the seat back 114.

  FIG. 3 is a diagram showing details of the support surface 150 of FIG. 3A is an enlarged view of the periphery of the support surface 150, FIG. 3B is an enlarged view of the opposite side 156 of the support surface 150, and FIG. 3C is an AA view of the quarter trim 130 of FIG. Sectional drawing and FIG.3 (d) are BB sectional drawings of FIG.3 (c). 3 (c) and 3 (d), the vehicle body panel 152 constituting the vehicle body and the vehicle body on the vehicle rear side of the rear wall portion 134, which are not shown in FIG. 1 and FIG. Panel 153 appears. Further, in FIG. 3C, the rear seat 110 that is not shown in FIG. 2 is also indicated by a two-dot chain line.

  As shown in FIGS. 3A to 3C, in the present embodiment, the support surface 150 is a surface in which a part of the rear wall is retreated. Specifically, the support surface 150 is configured such that a part of the rear wall part 134 from the position 151 corresponding to the shoulder opening 154 of the seat back 114 to the curved part 148 protrudes backward, that is, It is a surface formed by retreating. Therefore, as shown in FIG. 3B, the opposite side 156 of the support surface 150 protrudes. Note that the method for forming the support surface 150 is not limited to this. For example, the support surface 150 may be formed by increasing the thickness of the rear wall portion 134 and rolling a part of the rear wall portion 134 within the range of the thickness. In that case, the opposite side 156 of the support surface 150 shown in FIG.

  As shown in FIG. 3D, the support surface 150 includes a substantially vertical vertical portion 160 and an inclined portion 162 inclined at a predetermined inclination angle θ from the vehicle rear side toward the vehicle front side. In FIGS. 3B to 3D, the opposite side 156 of the support surface 150 of the rear wall portion 134 of the quarter trim 130 is a thin L-shaped plate member that reinforces the support surface 150 from the opposite side 156. Reinforcing ribs 164 and 165 are provided. Specifically, as shown in FIG. 3D, a reinforcing rib 164 is provided on the opposite side 166 of the vertical portion 160 and a reinforcing rib 165 is provided on the opposite side 167 of the inclined portion 162. In the present embodiment, reinforcing ribs 169 are also provided on portions other than the opposite side 156 of the support surface 150. As shown in FIG. 3B, these reinforcing ribs 164, 165, and 169 are provided horizontally so as to fit into the curved portion 148. Since the reinforcing ribs 164, 165, and 169 have substantially the same configuration, only the reinforcing rib 164 will be described below as a representative.

  In FIG. 3C, the reinforcing rib 164 is fixed to two surfaces, that is, the opposite side 156 of the support surface 150 and the back surface 158 of the rear wall portion 134 continuous with the opposite side 156. Thus, the rigidity of the quarter trim 130 can be further improved by fixing the reinforcing rib 164 to the two surfaces. The present invention is not limited to fixing the reinforcing ribs 164 to the two surfaces as in the present embodiment. The reinforcing ribs 164 may be fixed to at least the opposite side 156 of the support surface 150 of the rear wall portion 134 of the quarter trim 130, and the number thereof may be at least one.

  FIG. 4 is a view showing a state in which the seat back 114 of FIG. 1 is reclining backward. 4A is a view of the rear seat 110 viewed from the side, and FIG. 4B is a cross-sectional view taken along the line DD of FIG. 4A.

  As shown in FIG. 4A, when the seat back 114 reclines backward from the state indicated by the two-dot chain line, the seat back 114 contacts the support surface 150 of the rear wall portion 134. At this time, as shown in FIG. 4B, the side wall 132 faces the side surface 140 of the seat back 114 on the vehicle outer side with a gap α therebetween, and therefore the seat back 114 does not come into contact.

  FIG. 5 is a cross-sectional view taken along line EE in FIG. 5A is a cross-sectional view taken along line EE in FIG. 4B. FIG. 5B shows the rear seat 110 moved to the position P shown in FIG. 4A, and the seat back 114 is shown. It is a figure corresponding to Drawing 5 (a) showing the situation reclining back rather than the state of 4 (a).

  As shown in FIG. 5A, the seat back 114 of FIG. 4 is in line contact with the vertical portion 160 of the support surface 150. That is, a wide range from the shoulder opening 154 to the position Q of the seat back 114 in FIG. 4B contacts the vertical portion 160 of the support surface 150 linearly. Therefore, the force applied to the quarter trim 130 can be effectively dispersed, and the quarter trim 130 is not deformed. The seat back 114 does not fall backward from the vertical portion 160 as shown in FIG. 5A, and the rear end 117 of the headrest 116 can be inside the back door opening 104 as shown in FIG. In other words, the rear end 117 of the headrest 116 can be prevented from coming out of the vehicle from the back door opening 104.

  As described above, the idea of the present embodiment is the quarter trim that is an interior member and that is not supposed to come in contact with the shoulder opening 154 or the back surface 168 of the seat back 114 and has hit the seat back 114 unexpectedly. Rather, it is to positively contact the seat back 114 and support the seat back 114.

  As shown in FIG. 5A, the vertical portion 160 is applied with a force F that is pushed backward due to the line contact of the seat back 114. In this embodiment, the vertical portion 160 is provided on the opposite side 166 of the vertical portion 160. The reinforcing rib 164 is in contact with the vehicle body panel 153. Therefore, the force F can also be received by the vehicle body panel 153. Therefore, it is possible to more fully prevent the quarter trim 130 from being deformed or detached.

  In particular, in this embodiment, as shown in FIGS. 3B and 3C, the support surface 150 is formed by projecting a part of the rear wall portion 134 backward, that is, by retreating. Therefore, as shown in FIG. 5A, the distance L from the vertical portion 160 of the support surface 150 to the vehicle body panel 153 can be shortened as compared with the portion that is not projected. Thereby, the reinforcing rib 164 can contact the vehicle body panel 153 with a short width W (FIG. 3C). Therefore, even if the reinforcing rib 164 is provided so as to come into contact with the vehicle body panel 153, the influence on the vehicle weight can be almost eliminated. In the present embodiment, only the reinforcing rib 164 is in contact with the vehicle body panel 153, but the present invention is not limited to this. For example, the reinforcing rib 165 may be brought into contact with the vehicle body panel 153.

  If the rear seat 110 is moved to the position P in FIG. 4A, the seat back 114 can be reclined further rearward. However, even when reclining further backward, the back surface 168 of the seat back 114 is in surface contact with the inclined portion 162 of the support surface 150 as shown in FIG. Therefore, the seat back 114 does not fall backward from the inclined portion 162. In the case of such surface contact, the seat back 114 can be supported more stably than in the case of the line contact shown in FIG. 5A, so that the deformation of the quarter trim 130 is further prevented. Note that the inclination angle θ is preferably determined so that the seat back 114 can come into surface contact with a wider area when the seat back 114 makes surface contact with the inclined portion 162.

  As described above, the support surface 150 has a predetermined position at which the rear end 117 of the headrest 116 is located inside the back door opening 104 when the reclining seat back 114 contacts the support surface 150 as shown in FIG. Is formed. In particular, in this embodiment, as shown in FIG. 4A, the rear seat 110 is movable on the slide rail 122 in the vehicle front-rear direction. Therefore, the support surface 150 is a predetermined position in which the rear end 117 of the headrest 116 is located inside the back door opening 104 when the seat back 114 contacts the support surface 150 no matter where the rear seat 110 is located on the slide rail 122. It is formed at the position. The present invention is not limited to this. For example, when the headrest 116 is not provided, it is necessary to form the support surface 150 at a position where the shoulder opening 154 of the seat back 114 is inside the back door opening 104.

  4A, when the rear seat 110 is moved to the foremost position R, the seat back 114 also moves forward as indicated by an arrow H in FIG. As a result, a sufficient gap β exists between the quarter trim 130 and the seat back 114 does not come into contact with the quarter trim 130. Thereby, the seat back 114 can be reclined further rearward (for example, full reclining).

  FIG. 6 is a view showing a modification in which a spacer 170 is used in place of the reinforcing ribs 164, 165, and 169 shown in FIG. FIG. 6A is a view corresponding to FIG. 3C, showing an AA cross section of the quarter trim 130. Note that the rear seat 110 shown in FIG. 3C is omitted from FIG. 6B is a front view of the vehicle body panel 153 on the vehicle rear side of the rear wall portion 134 of the quarter trim 130 in FIG. 6A, and FIG. 6C is a GG in FIG. 6B. It is sectional drawing. 6, elements similar to those in FIGS. 1 to 5 are denoted by the same reference numerals, and description thereof is omitted.

  6A, the reinforcing ribs 164 and 165 of FIG. 3 are provided between the side 156 opposite to the support surface 150 of the rear wall portion 134 and the vehicle body panel 153 on the vehicle rear side of the rear wall portion 134 of the quarter trim 130. , 169, a spacer 170 is provided.

  As shown in FIGS. 6B and 6C, the spacer 170 is formed of a hat-shaped thin plate in the vertical direction of the vehicle, and has a fixing portion 172, a flat portion 176, and an intermediate portion 174. The fixing portion 172 is a portion that is fixed to the vehicle body panel 153. The flat portion 176 is a flat portion facing the opposite side 166 of the vertical portion 160 of the support surface 150. Such a fixing portion 172 and the flat portion 176 are connected by an intermediate portion 174.

  In FIG. 6C, the spacer 170 has a flat surface portion 176 that is in contact with the opposite side 166 of the line contact portion 150. 3, when the force F is applied to the vertical portion 160 due to the line contact of the back sheet 114, the force F is not only received by the flat portion 176 of the spacer 170, but is also received by the vehicle body panel. 153. Thereby, it is possible to further prevent the quarter trim 130 from being deformed or detached.

  The preferred embodiments of the present invention have been described above with reference to the accompanying drawings. However, the embodiments described above are preferred examples of the present invention, and other embodiments can be implemented by various methods. Can be carried out. The invention is not limited to the detailed shape, size, configuration, and the like of the components shown in the accompanying drawings unless otherwise specified in the present specification. In addition, expressions and terms used in the present specification are for the purpose of explanation, and are not limited thereto unless otherwise specified.

  Therefore, it is obvious for those skilled in the art that various changes and modifications can be conceived within the scope of the claims, and these naturally belong to the technical scope of the present invention. It is understood.

  INDUSTRIAL APPLICABILITY The present invention can be used for a vehicle rear structure that includes a rear seat that includes a reclining seat back and a quarter trim that is an interior member disposed between the rear side door opening and the back door opening.

DESCRIPTION OF SYMBOLS 100 ... Automobile, 104 ... Back door opening, 106 ... Rear side door opening, 108 ... Front door opening, 110 ... Rear seat, 112 ... Seat cushion, 114 ... Seat back, 116 ... Headrest, 117 ... Rear end of headrest, 120 ... Floor, 122 ... Slide rail, 130 ... Quarter trim, 132 ... Side wall part, 134 ... Rear wall part, 140 ... Side surface outside the seat back, 142 ... One end of the side wall part, 143 ... Rear side door opening Edge of the side wall 144, side edge of the back door opening 148 curved portion 150 support surface 152 153 body panel 154 shoulder opening 156 opposite side of the support surface 158 ... back surface of rear wall part, 160 ... vertical part, 162 ... inclined part, 164, 165, 169 ... reinforcing rib, 166 ... line contact Opposite portion, 167 ... surface contact portion opposite the, 168 ... rear of the seat back, 170 ... spacer 172 ... fixing portion of the spacer, 174 ... intermediate portion of the spacer, 176 ... flat portion of the spacer

Claims (6)

A rear seat including a reclining seat back;
A vehicle rear structure including a quarter trim that is an interior member disposed between a rear side door opening and a back door opening,
The quarter trim is
A side wall portion facing the vehicle outer side surface of the seat back with a gap therebetween;
A rear wall extending inward in the vehicle width direction from the rear end of the side wall,
The vehicle rear portion structure, wherein the rear wall portion includes a support surface that makes at least line contact with the reclining seat back.   The vehicle rear structure according to claim 1, wherein the support surface is a surface in which a part of the rear wall portion is retreated.   The vehicle rear structure according to claim 2, wherein the support surface is inclined from the vehicle rear side toward the vehicle front side and is in surface contact with the seat back. The rear seat further includes a headrest that is provided at an upper end of the seatback and supports an occupant's head,
The said support surface is formed in the position in which the rear end of the said headrest becomes inner side than the said back door opening, when contacting the said seat back, The Claim 1 characterized by the above-mentioned. The vehicle rear structure as described.   5. The vehicle rear portion structure further includes a reinforcing rib provided on the opposite side of the support surface of the rear wall portion of the quarter trim to reinforce the support surface from the opposite side. The vehicle rear structure according to the item. The vehicle rear structure further includes
A vehicle body panel on the vehicle rear side of the rear wall portion of the quarter trim;
The vehicle rear portion structure according to any one of claims 1 to 4, further comprising a spacer provided between the opposite side of the support surface of the rear wall portion and the vehicle body panel.

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