WO2015122400A1 - 車体後部の開口部構造 - Google Patents

車体後部の開口部構造 Download PDF

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Publication number
WO2015122400A1
WO2015122400A1 PCT/JP2015/053612 JP2015053612W WO2015122400A1 WO 2015122400 A1 WO2015122400 A1 WO 2015122400A1 JP 2015053612 W JP2015053612 W JP 2015053612W WO 2015122400 A1 WO2015122400 A1 WO 2015122400A1
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WO
WIPO (PCT)
Prior art keywords
reinforcement
opening
width direction
vehicle
ridge line
Prior art date
Application number
PCT/JP2015/053612
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和也 中島
勇人 中村
Original Assignee
スズキ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by スズキ株式会社 filed Critical スズキ株式会社
Priority to CN201580000542.1A priority Critical patent/CN105143022B/zh
Priority to DE112015000063.1T priority patent/DE112015000063B4/de
Publication of WO2015122400A1 publication Critical patent/WO2015122400A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/04—Door pillars ; windshield pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/06—Fixed roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/087—Luggage compartments

Definitions

  • the present invention relates to a hinge mounting part at the upper part of an opening part at the rear part of a vehicle body for attaching a back door of an automobile, and an opening part structure at the rear part of the vehicle body with increased rigidity in the vicinity thereof.
  • a back door is attached to the upper part of the opening at the rear of the vehicle body via a hinge that rotates about a rotation axis along the vehicle width direction. Since the load from the back door concentrates on this hinge, the hinge mounting seat at the rear part of the roof panel for mounting the hinge needs to have sufficient rigidity.
  • the upper corner of the opening on the outer side in the vehicle width direction than the hinge mounting seat also deforms the opening during driving and causes high stress concentration, so it is sufficient especially at the junction between the side body and the roof panel. A reinforced structure is required.
  • a roof back inner member is disposed below the rear part of the roof panel, Between the roof back inner member, the upper roof back inner reinforcement and the lower hinge reinforcement are arranged in a closed cross-sectional shape, and each of the roof back inner force, the hinge reinforcement and the roof back inner member is arranged. The front end is overlapped and joined to the roof panel.
  • the rear part of the roof back inner reinforcement and the hinge reinforcement are overlapped on the horizontal hinge mounting seat at the step part of the substantially horizontal L-shaped cross section of the roof panel, and the hinge is joined together by tightening the bolts, and the roof back
  • the rear end portions of the inner member and the roof back inner reinforcement are overlapped and joined to the rear inclined portion of the step portion of the roof panel. That is, a closed cross-section structure with two parts is provided on the front side of the hinge mounting seat surface.
  • JP 2012-224109 A (FIGS. 3 to 5)
  • the present invention simultaneously has a hinge mounting seat on the back door mounting opening at the rear of the vehicle body and an upper corner of the opening on the outer side in the vehicle width direction than the hinge mounting seat. It is another object of the present invention to provide an opening structure at the rear of a vehicle body that can be reinforced with a simple and lightweight structure.
  • the opening structure of the rear part of the vehicle body according to claim 1 of the present invention has a hinge mounting seat part at the rear part of the roof panel extended to the upper end of the opening part for mounting the back door at the rear part of the vehicle body.
  • a roof back inner member formed on the inner side of the vehicle at the rear of the roof panel is coupled to a side body on the vehicle width direction outer side, and the roof panel and the roof back inner member form a closed cross-sectional structure,
  • the side body extends from the hinge mounting seat between the roof panel and the roof back inner member.
  • the reinforcement is disposed and fixed over the vertical direction, and the reinforcement is joined to the vertical wall formed at the rear of the roof panel and the hinge mounting seat,
  • the ose is formed in a crank-shaped cross section, and has a ridge line of mountain folds on the upper side and a ridge line of valley folds on the lower side.
  • the distance between the upper and lower ridge lines is near the hinge mounting seat on the inner side in the vehicle width direction. Is narrow and wide in the vicinity of the side body outside in the vehicle width direction.
  • the opening structure of the rear part of the vehicle body according to claim 2 is the opening structure of the rear part of the vehicle body according to claim 1, wherein the upper ridge line of the reinforcement is continuously connected to the curved shape of the outer plate of the side body. It is characterized by being.
  • the opening structure of the rear part of the vehicle body according to claim 3 is the opening structure of the rear part of the vehicle body according to claim 1 or 2, wherein the lower ridge line of the reinforcement is outward in the vehicle width direction with respect to the upper ridge line. It is characterized by extending toward the vehicle lower side as it goes.
  • the opening structure of the rear part of the vehicle body according to claim 4 is the opening structure of the rear part of the vehicle body according to claim 3, wherein the ridge line inside the side part of the opening part is in contact with the extension line of the lower ridge line.
  • the opening structure of the rear part of the vehicle body according to claim 5 is the opening structure of the rear part of the vehicle body according to claim 3, wherein the lower ridge line is a valley-shaped ridge line of the side body outside the side part of the opening part. It is extended so that it may cross.
  • the opening structure of the rear part of the vehicle body according to claim 6 is the opening structure of the rear part of the vehicle body according to any one of claims 1 to 5, wherein an outer part in the vehicle width direction of the vertical wall of the reinforcement is an inner part in the vehicle width direction. In comparison, the surface phase is different so as to incline downward.
  • the reinforcement is crossed between the hinge mounting seat portion of the roof panel and the upper corner portion of the opening portion of the rear portion of the vehicle body, so that the rigidity of the upper corner portion of the opening portion where stress concentration easily occurs. Can be increased.
  • the roof panel and the reinforcement are joined on the two sides of the hinge mounting seat and the vertical wall, and the hinge mounting seat of the roof panel is supported from the passenger compartment side by the reinforcement so that the hinge mounting seat has sufficient rigidity. Can be secured.
  • the vertical wall of the reinforcement in the vicinity of the hinge mounting seat has a cross section with a narrow interval between the upper and lower ridge lines, so that the mounting rigidity of the back door hinge can be increased, and the rear opening of the vehicle body against loads in the longitudinal direction of the vehicle Can be prevented from deforming.
  • the stress concentration can be dispersed with respect to the load from the lateral direction due to the twist of the opening, and the reinforcing effect can be enhanced.
  • the torsional load acting on the opening is effectively distributed to the side body.
  • the reinforcing effect can be further enhanced.
  • the lower ridge line of the reinforcement is continuous with the vertical side of the opening at the rear of the vehicle body, so that the load in the torsional direction acting on the opening is It is possible to effectively disperse the portion, and the rigidity of the upper corner of the opening can be further increased.
  • the rigidity of the reinforcement against the lateral load in the vehicle width direction can be increased, Thereby, the stress concentration of the upper part and the upper corner of the opening can be further relaxed.
  • FIG. 1 is a perspective view showing an embodiment of an opening structure of a rear part of a vehicle body of the present invention as viewed from the rear of a vehicle. It is a perspective view which similarly shows in detail the opening part structure of a vehicle body rear part.
  • FIG. 4 is a cross-sectional view taken along line AA in FIG. 3.
  • FIG. 4 is a sectional view taken along line BB in FIG. 3.
  • FIG. 3 shows one Embodiment of the reinforcement applied to the opening part structure of a vehicle body rear part.
  • FIG. 4 is a perspective view showing the opening structure of the rear part of the vehicle body as seen from the left side of the vehicle a little more than in FIG. 3. It is a perspective view which shows the difference in the inclination state of each part of right and left of the vertical wall of a reinforcement. It is a perspective view which shows the 1st modification of reinforcement. It is a perspective view which shows the 2nd modification of reinforcement. It is a perspective view which shows the 3rd modification of reinforcement. It is a perspective view which shows the 4th modification of a reinforcement.
  • 1 to 7 show an embodiment of an opening structure at the rear of a vehicle body according to the present invention.
  • FIG. 1 is an external view showing an opening 2 in a rear part of a vehicle body 1 of an automobile (the inside of the frame is an enlarged view of a main part), and an upper part and an upper corner 3 of the opening 2 are a rear part 4a of a metal roof panel 4. And the side body 7.
  • FIG. 2 is a view showing the internal reinforcing structure by breaking the rear portion 4a of the roof panel 4 at the upper portion and the upper corner portion 3 of the opening 2
  • FIG. 3 is a view showing the reinforcing structure in detail.
  • reference numeral 5 denotes an outer plate of the side body 7
  • reference numeral 6 denotes a rear plate of the side body 7.
  • the roof panel 4 is substantially flat over the entire width (exactly, it is curved so that the central side in the width direction is slightly convex upward), and the side body portions 5 that continue to the left and right sides in the vehicle width direction of the roof panel 4 are It is greatly curved downward (the curved portion is indicated by reference numeral 5a).
  • a pair of hinge mounting seats 8 are formed on the left and right sides of the rear portion 4a of the roof panel 4 in FIG. 1 (only the hinge mounting seat 8 on the left side of the vehicle is shown in FIG. 1).
  • the hinge mounting seat portion 8 has a wide upper wall 8a, a narrow rear wall 8b, a side wall 8c on the inner side in the vehicle width direction, and a bolt insertion hole 8d in the upper wall 8a.
  • the upper surface of the upper wall 8a is a hinge mounting seat.
  • the upper wall 8a continues across the vertical wall 9 of the roof panel rear portion 4a.
  • the rear portion 4a of the roof panel 4 is formed in a stepped shape in the left and right hinge mounting seats 8 (FIG. 4).
  • the hinge mounting seat portion 8 (FIG. 5).
  • 4 is composed of a substantially vertical vertical wall 9a on the front side and a lateral wall 10 (FIG. 1) on the rear and lower side.
  • the inclined vertical wall in FIG. 5 is indicated by reference numeral 9b.
  • a flat inner surface is formed on the back side of the hinge mounting seat surface 8a.
  • a roof back inner member 12 as a reinforcing member is disposed below the rear portion 4 a of the roof panel 4, and above the roof back inner member 12, that is, between the roof back inner member 12 and the roof panel 4.
  • the reinforcement 13 which is the main part of the present invention is disposed.
  • the roof back inner member 12 is slightly extended rearward of the vehicle body from the hinge mounting seat portion 8 (shown by a chain line for convenience in FIG. 2) of the roof panel 4 (the rear extension portion is indicated by reference numeral 12a). More than the front of the vehicle body (the front extension is indicated by reference numeral 12b), and also extends to the left and right sides of the hinge mounting seat 8 in the vehicle width direction and crosses the upper part of the opening 2 in the vehicle width direction. .
  • the front and rear ends (12a, 12b) of the roof back inner member 12 are joined to the roof panel 4, and the roof width inner end 12c of the roof back inner member 12 is the outer end of the roof panel 4 in the vehicle width direction. It is joined to the side body 7 together with the portion 4b.
  • the roof back inner member 12 forms a closed section structure (closed section shape portion) 21 together with the roof panel 4.
  • the rear portion 4 a of the roof panel 4 has a vertical wall 9 a having a substantially vertical surface on the front side of the hinge mounting seat portion 8, and is substantially horizontal and narrow on the front side and the upper side of the vertical wall 9 a. It has a lateral wall 14 of the surface. Then, on the inner surface of the hinge mounting seat portion 8 of the roof panel 4 and the inner surface of the vertical wall 9a, the upper surface 15a of the substantially horizontal wall portion (lateral wall) 15 on the rear side and the lower side of the reinforcement 13 from the inside of the vehicle, The substantially vertical rear surface of the vertical wall 16 in the vehicle width direction inner portion 16a (substitute with reference numeral 16a) is joined.
  • An upper substantially horizontal wall portion (horizontal wall) 17 projecting forward from the upper end of the vertical wall 16 is positioned between the roof back inner member 12 and the roof panel 4 without being joined.
  • the vertical wall 9 and the upper wall 14 of the roof panel 4 are indicated by chain lines.
  • the reinforcement 13 has a substantially horizontal upper surface 15a that is joined to the inner surface (lower surface) of the hinge mounting seat portion 8 of the roof panel 4 near the inner end 15b in the vehicle width direction.
  • a plate-shaped vertical wall 16 having 16a near the inner end in the vehicle width direction, and a narrow, substantially horizontal surface that protrudes forward from the upper end of the vertical wall 16 and faces the lower side of the substantially horizontal surface above the roof panel 4.
  • a flange plate-like upper wall portion (horizontal wall) 17 having a flat surface 17a near the inner end in the vehicle width direction.
  • the vertical wall 16 and the upper wall portion 17 of the reinforcement 13 have the same length and extend outward in the vehicle width direction to the upper corner 3 of the opening 2 (FIG. 2) at the rear of the vehicle body.
  • the lower wall portion 15 of the reinforcement 13 is shorter than the intermediate vertical wall 16 on the outer side in the vehicle width direction.
  • the lower wall portion 15 corresponds to the hinge mounting seat portion 8 of the rear portion 4a of the roof panel in FIG. 1 from the substantially longitudinal center (outside the joint surface 15a in the vehicle width direction) toward the vehicle width direction outer side. It is formed so as to be gradually narrow and gradually curved downward (the narrow portion and the curved portion are indicated by reference numeral 15c).
  • a bolt insertion hole 15d is provided in the joint surface 15a of the lower wall portion 15 corresponding to the hinge mounting seat portion 8.
  • the bolt insertion hole 15d passes through the bolt insertion holes 8d and 12d (FIG. 4) concentrically between the hinge mounting seat 8 (FIG. 4) and the roof back inner member 12.
  • the roof back inner member 4 (FIGS. 2 and 4) has an upper wall 12e joined to the lower surface of the lower wall portion 15 of the reinforcement 13, and a bolt insertion hole 12d is provided in the upper wall 12e.
  • the vertical wall 16 of the reinforce 13 (FIG. 2) is formed so as to gradually increase in the vertical direction (precisely downward) from the middle in the longitudinal direction toward the outside in the vehicle width direction, and gradually toward the rear of the vehicle. Inclined or curved. A wide and inclined or curved outer portion of the vertical wall 16 in the vehicle width direction is indicated by reference numeral 16b. Further, the lower extension of the vehicle width direction outer side portion 16b is denoted by reference numeral 16b '.
  • the vehicle width direction outer end 15e of the lower wall portion 15 intersects the lower end of the vertical wall 16 on the vehicle width direction inner side than the vehicle width direction outer end 16c of the vertical wall 16.
  • the upper wall portion 17 is formed in a substantially fan-like shape in the forward and backward direction (exactly in the rear direction) gradually from the middle portion in the longitudinal direction toward the outer side in the vehicle width direction (the wide portion is indicated by reference numeral 17b).
  • the vehicle width direction outer end 16c of the vertical wall 16 is joined to the rear side body portion 6 (FIG. 2), and the vehicle width direction outer end 17c of the upper wall portion 17 is the upper curve of the side body 5 (FIG. 2).
  • the end portion of the portion 5a on the inner side in the vehicle width direction and the side body portion 6 on the rear side are joined.
  • the line at the intersection of the lower end of the vertical wall 16 and the rear end of the lower wall portion 15 of the reinforcement 13 that is, the lower valley fold ridge line 19L gradually increases toward the outer side in the vehicle width direction. It curves toward the vehicle lower side and the rear side. Further, the line of the intersecting portion between the upper end of the vertical wall 16 and the front end of the upper wall portion 17, that is, the upper mountain fold ridge line 20L is gradually inclined toward the rear side of the vehicle as it goes outward in the vehicle width direction.
  • the ridge line 20L on the upper side of the reinforcement 13 is extended to the upper corner 3 of the opening 2 (FIG. 2) at the rear of the vehicle body toward the outside in the vehicle width direction.
  • the lower ridge line 19L does not need to extend to the upper corner 3 of the opening 2 but preferably extends outward in the vehicle width direction as much as possible in order to ensure the rigidity of the entire reinforcement 13. .
  • the AA cross section (cross section passing through the hinge mounting seat 8) in FIG. 3 includes the reinforcement 13 on the hinge mounting seat 8 and the front side thereof, the vertical wall 16, and the substantially horizontal rear wall 16.
  • a side and lower wall portion 15 and a substantially horizontal front and upper wall portion 17 are formed in a crank shape (substantially Z-shaped) in cross section.
  • the vertical wall 16 of the reinforcement 13 is arranged and joined along the inner surface (front surface) of the vertical wall 9a of the step portion of the roof panel rear portion 4a, and the rear and lower wall portion 15 is a step portion of the roof panel rear portion 4a.
  • Hinge fixing bolt insertion holes 8d, 12d, and 15d are provided at substantially the center of the three overlapping wall portions 8a, 15, and 12e, and the hinge mounting portion 22 is configured.
  • the front and upper wall portion 17a of the reinforcement 13 protrudes forward from the vertical wall 9a of the stepped portion of the roof panel 4 so as to be close to the upper wall 14 of the roof panel 4 between the roof panel 4 and the roof back inner member 12.
  • the upper wall 14 of the roof panel 4 is positioned substantially parallel to the central bottom wall 12g of the roof back inner member 12.
  • the roof back inner member 12 includes a rear upward bulging portion (convex portion) 12f, a substantially horizontal bottom wall 12g following the front side of the bulging portion 12f, and a vertical wall raised from the front end of the bottom wall 12g. 12h, and a front wall portion 12b that is bent and inclined upward from the upper end of the vertical wall 12h.
  • the front end portion of the front wall portion 12b is joined to the upper wall 14 of the roof panel 4, and the rearwardly inclined wall portion 12a following the rear upward bulging portion 12f is joined to the rear end portion 18 of the roof panel 4.
  • reference numeral 20 ⁇ / b> L indicates an upper ridge line where the upper wall portion 17 of the reinforcement 13 intersects the vertical wall 16
  • reference numeral 19 ⁇ / b> L similarly indicates a lower side where the vertical wall 16 and the lower wall portion 15 intersect.
  • the ridgeline is shown.
  • the vertical wall 16b of the reinforcement 13 includes the vertical wall 9b of the roof panel rear portion 4a and the roof back inner member 12 as shown in FIG. It is sandwiched between the rear wall 12k of the upward mountain-shaped protrusion 12j and joined to each other while being inclined downwardly.
  • the rear and lower wall portion 15c of the reinforcement 13 is inclined at an angle slightly closer to the horizontal than the vertical wall 16b and is located along the lower inner side of the inclined vertical wall 9b of the roof panel 4, and the front side of the reinforcement 13 Further, the upper wall portion 17b is positioned substantially horizontally in parallel with the upper wall 14 and the bottom wall 12g of the roof back inner member 12 near the upper wall 14 of the roof panel 4.
  • the bottom wall 12g of the roof back inner member 12 continues to the substantially mountain-shaped protruding portion 12j on the rear side, and the lower end portion 12k ′ of the inclined wall 12k on the rear side of the protruding portion 12j is connected to the inclined wall 9b on the rear side of the roof panel 4. It is joined.
  • the upper wall portion 17b of the reinforce 13 is longer in the front-rear direction than the upper wall portion 17a in FIG. 4, and the upper ridge line 20L is located behind the upper ridge line 20L in FIG.
  • the wall portion 15c extends downward from the lower wall portion 15 in FIG. 4 and is inclined downwardly, and the lower ridge line 19L is positioned lower and rearward than the lower ridge line 19L in FIG. .
  • the roof panel 4 and the reinforcement 13 are joined to each other by two surfaces of the surfaces 8 a and 15 a of the hinge mounting seat 8 and the substantially vertical surfaces 9 a and 16 a in front of the vehicle.
  • the reinforcement 13 is supported by the reinforcement 13 from the passenger compartment side, and the rigidity of the hinge mounting seat 8 is sufficiently ensured.
  • the reinforcement 13 crosses the hinge mounting seat 8 of the roof panel rear portion 4a and the upper corner 3 of the opening 2 at the rear of the vehicle body.
  • the roof panel 4 on the outside of the vehicle extends in the vehicle front-rear direction at a peripheral portion of the opening 2 where a back door (not shown) at the rear of the vehicle is installed.
  • a hinge mounting seat portion 8 (FIG. 1) including a hinge mounting seat surface 8a is formed on the roof panel extension portion (rear portion) 4a extending to the upper end of the opening 2 at the rear of the vehicle.
  • a roof back inner member 12 on the vehicle inner side is disposed at the upper end of the opening 2 by connecting the left and right side portions of the roof back inner member 12 to the left and right side bodies 7.
  • the roof panel 4 and the roof back inner member 12 form a closed section structure (closed section shape portion) 21 (FIG. 4), and the closed section structure 21 is formed at the left and right upper corners 3 of the opening 2 at the left and right sides. It is joined to the side body 7.
  • the reinforcement 13 is disposed between the roof panel 4 and the roof back inner member 12, and the inner surface of the vertical wall 9a formed on the rear portion 4a of the roof panel 4 and the hinge mounting seat portion.
  • the reinforcement 13 is joined to the inner surface of the roof 8, and the reinforcement 13 is arranged and fixed from the hinge mounting seat 8 of the roof panel 4 to the side body 7.
  • the reinforcement 13 is formed in a cross-sectional crank shape (Z-shape) by the upper and lower horizontal walls 15 and 17 and the intermediate vertical wall 16, and has a mountain-folded ridgeline 20L on the upper side and a valley-folded ridgeline 19L on the lower side.
  • the distance H between the two ridges 19L and 20L in the vertical direction is narrow (space H1) near the hinge mounting seat (fixed part) 8 on the inner side in the vehicle width direction, and near the side body 7 on the outer side in the vehicle width direction. It is getting wider. That is, the vertical width of the vertical wall 16 of the reinforcement 13 becomes wider (interval H2) as it goes to the vehicle outer side.
  • two lower ridge lines are formed depending on the viewing angle (the ridge line 19L1 when viewed from the rear upper part of the vehicle and the ridge line 19L2 when viewed from the rear of the vehicle).
  • the ridgeline is also summarized as 19L.
  • the vicinity of the hinge mounting seat 8 in the reinforcement 13 has a narrow cross-sectional shape with a space H1 between the upper and lower ridgelines 19L, 20L (the vertical width of the vertical wall 16a is shortened), thereby The mounting rigidity can be increased, and the reinforcement 13 is less likely to be deformed even with respect to the vehicle longitudinal direction load. Further, as the distance from the side body 7 increases, the distance H2 between the upper and lower ridges 19L and 20L of the reinforcement 13 is increased, whereby the stress concentration of the reinforcement 13 is applied to the load from the lateral direction of the vehicle due to the twist of the opening 2 at the rear of the vehicle. The effect of dispersing is exhibited.
  • the second feature is that the upper ridge line 20 ⁇ / b> L of the reinforcement 13 is continuously connected to the upper curved shape 5 a of the outer plate (side body outer panel) 5 of the side body 7. (Refer to the extended portion 20L ′ of the ridge line 20L).
  • the upper ridge line 20L continues substantially linearly from the upper curved shape 5a of the side body 5 along the outer surface 5b inclined obliquely downward in the side body 5 in a substantially tangential direction.
  • the load in the twisting direction of the opening 2 at the rear of the vehicle can be effectively distributed to the side body 7.
  • the third feature is that the lower ridge line 19 ⁇ / b> L of the reinforcement 13 is at least in the range of the reinforcement 13 toward the vehicle outer side (vehicle width direction outer side) with respect to the upper ridge line 20 ⁇ / b> L. It is mentioned that it extends toward The upper ridge line 20L of the reinforcement 13 extends substantially horizontally toward the vehicle outer side, whereas the lower ridge line 19L gradually transitions downward toward the vehicle outer side.
  • the peripheral edge 25 of the opening 2 is shortly raised like a flange toward the rear, and the rising base of the peripheral edge 25, that is, the line of the intersection of the peripheral edge 25 and the side body 6 forms a ridge line 23 ⁇ / b> L inside the vehicle. ing.
  • the lower ridge line 19 ⁇ / b> L ⁇ b> 2 of the reinforcement 13 is a side part of the opening 2 at the rear of the vehicle body (upper side of the vertical side part 24). It is extended so that it may intersect with the ridgeline 26L of the valley shape (valley fold) on the vehicle outer side (vehicle width direction outer side) of the body 6 (see the intersection portion 26La between the extension portion 19L2 ′ of the ridgeline 19L2 and the ridgeline 26L). It is done.
  • the fifth feature is configured separately from the fourth feature (either one is selected).
  • the side body portions 6 on both sides of the upper portion of the opening 2 are composed of a vehicle outer wall portion 6a having a thickness in the vehicle width direction and a vehicle inner wall portion 6b having a thickness in the vehicle front-rear direction.
  • the line at the intersection of 6b forms a valley-shaped ridge line 26L.
  • the valley-shaped ridge line 26L extends downward substantially parallel to the vehicle-side ridge line 23L of the fourth feature.
  • the upper end portion of the back door stay is screwed to the wall portion 6a outside the vehicle (a bolt insertion hole is indicated by reference numeral 6c).
  • the lower ridge line 19L of the reinforcement 13 is continuous with the vertical side 24 including the side body portion 6 of the opening 2, and the load is effectively applied to the vertical side 24. As a result, the rigidity of the upper corner 3 of the opening 2 is further increased.
  • the surface phase is different between the vehicle width direction inner portion 16 a and the vehicle width direction outer portion 16 b of the vertical wall 16 of the reinforcement 13 (the vertical wall 16 Is twisted).
  • the vehicle width direction inner portion 16a of the vertical wall 16 is formed substantially vertically, and the vehicle width direction outer portion 16b of the vertical wall 16 is inclined downwardly as shown in FIG.
  • the vertical wall 16 has a shape twisted in the front-rear direction so as to incline the vehicle width direction outer side portion 16b rearward and downward with respect to the vehicle width direction inner side portion 16a.
  • the inclination of the inner portion 16a in the vehicle width direction is indicated by a line 27L
  • the inclination of the outer portion 16b in the vehicle width direction is indicated by a line 28L.
  • Reference numeral 15 denotes a lower wall of the reinforcement 1
  • reference numeral 17 denotes an upper wall
  • the rigidity of the reinforcement 13 against lateral load in the vehicle left-right (width) direction is changed by changing the surface phase between the vehicle width direction inner side 16a and the vehicle width direction outer side 16b of the vertical wall 16 of the reinforcement 13.
  • the stress concentration in the upper corner 3 of the opening 2 is further relaxed.
  • 9 to 12 show various examples in which the shape of the reinforcement 13 shown in FIG. 6 is changed.
  • Each reinforce 31, 32 in FIG. 9 and FIG. 10 is a simplified structure.
  • the reinforce 31 shown in FIG. 9 has a substantially vertical vertical wall 35, a substantially horizontal small horizontal wall 36 that extends below and behind the vertical wall 35, and a horizontal wall 37 that extends above and in front of the vertical wall 35. is there.
  • the reinforcement 32 in FIG. 10 has a vertical wall 38 and upper and lower horizontal walls 39 and 40 that have the same length in the vehicle width direction and shorter than the example in FIG.
  • Each lower side wall 36, 39 has a bolt insertion hole 41 for hinge attachment.
  • each of the reinforces 31 and 32 has a cross-sectional crank shape (Z shape), and the roof panel 4 (FIG. 1) and the reinforces 31 and 32 are substantially vertical in front of the vehicle body and the inner surface of the hinge mounting seat 8 (FIG. 1).
  • the hinge mounting seat portion 8 is joined to the inner surface of the vertical wall 9 (FIG. 1), and the hinge mounting seat portion 8 of the roof panel 4 is supported by the reinforcements 31 and 32 from the passenger compartment side. Can be secured.
  • the hinge mounting seat 8 of the roof panel 4 (FIG. 1) and the opening 2 at the rear of the vehicle body are formed.
  • the reinforcement 31 (32) crosses the upper corner 3 with the same upper ridge line 43L, whereby the upper opening corner 3 where stress concentration easily occurs can be reinforced.
  • the weight of the vehicle body can be reduced with a simple reinforcement structure.
  • the reinforcements 33 and 34 have a slightly complicated and enlarged structure while retaining the configuration of the reinforcement 13 of FIG.
  • Reinforce 33 shown in FIG. 11 is integrally formed with an extension wall 46 inclined downwardly toward the rear of the vehicle body at the lower end of vertical wall 44 and the rear end of lower horizontal wall 45 that is short in the vehicle width (left-right) direction. It is a thing.
  • the line of the intersection of the vertical wall 44 and the lower horizontal wall 45 and the rear extension wall 46 forms a lower ridge line 47L, and the line of the intersection of the vertical wall 44 and the upper horizontal wall 48 is the upper ridge line. 52L is formed.
  • the reinforcement 34 in FIG. 12 is obtained by extending the vertical wall 49 and the upper and lower horizontal walls 50 and 51 inward in the vehicle width direction (extended wall portions are denoted by reference numerals 49a, 50a, and 51a).
  • the lower extension wall portion 50a is formed in a step shape along the inner surface shape of the hinge mounting seat portion 8 of the roof panel 4 (FIG. 1).
  • the line of the intersection of the vertical wall 49 and the lower horizontal wall 50 forms the lower ridge line 53L
  • the line of the intersection of the vertical wall 49 and the upper horizontal wall 51 forms the upper ridge line 54L.
  • Each of the lower side walls 45 and 50 on the lower side of FIGS. 11 and 12 has a bolt insertion hole 41 for hinge attachment.
  • 11 and 12 has the above-described effects due to the upper and lower ridgelines 47L, 52L, 53L, and 54L similar to those in the reinforcement 13 of FIG.
  • the rear extension wall 46 of the reinforcement 33 is arranged so as to overlap along the vehicle rear portion 12 a of the roof back inner member 12 shown in FIGS. 2 and 4.
  • the rigidity of the upper edge part of the opening part 2 can be improved.
  • the vertical wall extension 49a of the reinforcement 34 is overlapped on the inner side in the vehicle width direction along the inner surface of the vertical wall 9 of the roof panel 4 (FIG. 1), and the roof back inner member 12 (see FIG. 12).
  • the rigidity of the upper part of the opening 2 can be increased by superimposing the lower side wall extension 50a on the lower side of the reinforcement 34 on the portion inward in the vehicle width direction of 2).
  • the opening structure of the rear part of the vehicle body according to the present invention is such that the hinge mounting seat part at the upper part of the opening part for mounting the back door at the rear part of the vehicle body and the upper corner part of the opening part on the outer side in the vehicle width direction from the hinge mounting seat part simultaneously. And it can be used to reinforce with a simple and lightweight structure.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
PCT/JP2015/053612 2014-02-12 2015-02-10 車体後部の開口部構造 WO2015122400A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201580000542.1A CN105143022B (zh) 2014-02-12 2015-02-10 车体后部的开口部结构
DE112015000063.1T DE112015000063B4 (de) 2014-02-12 2015-02-10 Fahrzeugkarosserie mit Öffnung in einem Fahrzeugkarosserie-Heckabschnitt

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JP2014-024102 2014-02-12
JP2014024102A JP6217429B2 (ja) 2014-02-12 2014-02-12 車体後部の開口部構造

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CN110072721A (zh) * 2016-12-14 2019-07-30 本田技研工业株式会社 车门构造
US11186323B2 (en) * 2019-12-10 2021-11-30 Hyundai Motor Company Vehicle rear structure with reinforced back frame

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JP6217429B2 (ja) * 2014-02-12 2017-10-25 スズキ株式会社 車体後部の開口部構造
JP6401122B2 (ja) 2015-07-30 2018-10-03 矢崎総業株式会社 二次電池状態検出装置
JP6788823B2 (ja) * 2016-06-16 2020-11-25 スズキ株式会社 車両後部構造
JP7047477B2 (ja) * 2018-03-09 2022-04-05 スズキ株式会社 車両後部構造
JP6706640B2 (ja) 2018-03-28 2020-06-10 株式会社豊田自動織機 車両の後部開口構造
JP7049601B2 (ja) * 2018-04-04 2022-04-07 スズキ株式会社 車体後部構造
JP6845878B2 (ja) * 2019-02-15 2021-03-24 本田技研工業株式会社 車両ルーフ構造

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CN110072721A (zh) * 2016-12-14 2019-07-30 本田技研工业株式会社 车门构造
CN110072721B (zh) * 2016-12-14 2022-05-24 本田技研工业株式会社 车门构造
US11186323B2 (en) * 2019-12-10 2021-11-30 Hyundai Motor Company Vehicle rear structure with reinforced back frame

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JP6217429B2 (ja) 2017-10-25
CN105143022B (zh) 2017-05-10
DE112015000063B4 (de) 2023-07-06
CN105143022A (zh) 2015-12-09
JP2015150920A (ja) 2015-08-24
DE112015000063T5 (de) 2016-01-07

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