WO2022202810A1 - Tailgate structure for vehicles - Google Patents

Tailgate structure for vehicles Download PDF

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Publication number
WO2022202810A1
WO2022202810A1 PCT/JP2022/013156 JP2022013156W WO2022202810A1 WO 2022202810 A1 WO2022202810 A1 WO 2022202810A1 JP 2022013156 W JP2022013156 W JP 2022013156W WO 2022202810 A1 WO2022202810 A1 WO 2022202810A1
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WO
WIPO (PCT)
Prior art keywords
reinforcement
vehicle
plate portion
inner panel
surface portion
Prior art date
Application number
PCT/JP2022/013156
Other languages
French (fr)
Japanese (ja)
Inventor
綱太 原田
剛 菊地
Original Assignee
三菱自動車工業株式会社
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 三菱自動車工業株式会社 filed Critical 三菱自動車工業株式会社
Priority to JP2023509196A priority Critical patent/JPWO2022202810A1/ja
Publication of WO2022202810A1 publication Critical patent/WO2022202810A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear

Definitions

  • the present invention relates to a vehicle tailgate structure.
  • a vehicle provided with a luggage compartment provided in the rear part of the vehicle compartment, an opening provided in the rear part of the vehicle for taking in and out luggage from the luggage compartment, and a flip-up tailgate for opening and closing the opening.
  • the tailgate is constructed by joining an inner panel and an outer panel.
  • the inner panel is provided with a latch mechanism that engages with a striker provided in the opening, and the inner panel to which the latch mechanism is attached.
  • a latch reinforcement is provided to reinforce the location.
  • the size of the inner panel in the longitudinal direction of the vehicle in the vicinity of the portion of the inner panel where the latch mechanism is attached is set larger than before.
  • the size of the portion of the inner panel to which the latch mechanism is attached is ensured to be large, so that the strength and rigidity of the inner panel are reduced compared to the conventional ones, so the inner panel is easily deformed.
  • the weight of the tailgate increases compared to the conventional one, and the inertial force generated in the tailgate when running over the curb increases. And the load input to the latch reinforcement increases.
  • the strength and rigidity of the inner panel and the latch reinforcement will be insufficient due to the increased load input when running over the curb in a state where the inner panel is more easily deformed.
  • a reinforcing member other than the latch reinforcement near the portion of the inner panel where the latch mechanism is attached to suppress the deformation of the inner panel and the latch reinforcement against the load input when running over the curb. , in that case, there is a disadvantage that the number of parts increases.
  • the present invention has been devised in view of the above circumstances, and an object of the present invention is to improve the strength and rigidity of the inner panel and latch reinforcement against the load input when running over the curb without increasing the number of parts. To provide a vehicle tailgate structure which is advantageous in the above.
  • one embodiment of the present invention provides an opening provided in a vehicle body panel at the rear of a vehicle, and a lower edge of the vehicle body panel forming a lower edge of the opening and provided with a striker.
  • a flip-up tailgate that includes an inner panel and opens and closes the opening; a latch mechanism attached to the inner panel and engaged with the striker; and the inner panel provided with the latch mechanism.
  • the latch reinforcement includes a reinforcement body plate portion that is coupled to the base surface portion from above, and a reinforcement body plate portion that is gradually displaced downward from the vehicle rear end of the reinforcement body plate portion toward the rear of the vehicle, and the sealing surface portion of the vehicle.
  • the latch reinforcement includes a reinforcement body plate portion coupled to the base surface portion of the inner panel from above, and a reinforcement body facing the seal surface portion of the seal surface portion of the inner panel behind the vehicle.
  • a sloped plate portion and a reinforcement rear plate portion joined from above to the connection surface portion of the inner panel are provided, and when viewed from the vehicle width direction, there is a gap between the sealing surface portion of the inner panel and the reinforcement slope portion of the latch reinforcement.
  • a closed cross-sectional structure was formed at Therefore, it is advantageous in increasing the strength and rigidity of the inner panel and the latch reinforcement where the latch mechanism is attached.
  • FIG. 1 is a perspective view of a vehicle to which a vehicle tailgate structure according to an embodiment of the present invention is applied, viewed from the rear of the vehicle;
  • FIG. 1 is an exploded perspective view of a tailgate;
  • FIG. With the rear opening closed by the tailgate, the inner panel to which the latch mechanism is attached, the latch reinforcement joined to the inner panel, and the lower edge of the body panel forming the rear opening are viewed from the rear of the vehicle. It is a perspective view.
  • FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3;
  • FIG. 4 is a cross-sectional view taken along line BB of FIG. 3;
  • 4 is a cross-sectional view taken along line CC of FIG. 3;
  • FIG. 4 is a cross-sectional view taken along line DD of FIG. 3; FIG. It is the figure which looked at the latch reinforcement joined to the inner panel from the diagonally lower back of the vehicle.
  • FIG. 9 is a cross-sectional perspective view of FIG. 8 taken along line AA. It is the perspective view which looked at the latch reinforcement from the vehicle rear.
  • a luggage compartment 12 is provided in the rear part of the passenger compartment of a vehicle 10, and a rear opening 14 for loading and unloading luggage into and out of the luggage compartment 12 is provided in a vehicle body panel 18 at the rear of the vehicle 10. It is The rear opening 14 is opened and closed by a flip-up tailgate 16 that is swingably supported on the upper edge of the rear opening 14 via a hinge (not shown). As shown in FIG.
  • the tailgate 16 includes an inner panel 20 positioned on the luggage compartment 12 side with the rear opening 14 closed, an outer panel 22 facing the inner panel 20, and a tail. and a rear window glass 24 provided in the upper half of the gate 16 .
  • the tailgate 16 is provided in a hollow shape around the rear window glass 24, and the entire outer edge of the outer panel 22 is folded back and connected to the entire outer edge of the inner panel 20 by hemming.
  • the lower edge of the rear opening 14 is formed by a lower edge 18A of the vehicle body panel 18 on the vehicle body side.
  • the vehicle-body-side lower edge portion 18A includes a base surface portion 1802 positioned at the front of the vehicle, an inclined surface portion 1804 that displaces downward from the vehicle rear end of the base surface portion 1802 toward the vehicle rear, and an inclined surface portion 1804 that extends from the vehicle rear end toward the vehicle rear. and a rearwardly extending connecting surface portion 1806 .
  • a striker 26 is provided on the base surface portion 1802 .
  • the ramp portion 1804 is provided with a portion of the weatherstrip 30 that extends all the way around the rear opening 14 .
  • An upper portion of a rear bumper 32 is positioned below the weatherstrip 30 at the rear of the vehicle body.
  • the inner panel 20 of the tailgate 16 is provided with a latch mechanism 28 that engages and disengages with the striker 26 .
  • the portions of the inner panel 20 that are close to the vehicle body side lower edge portion 18A with the rear opening portion 14 closed by the tailgate 16 are the inner panel body portion 34 and the base surface portion 36. , a sealing surface portion 38 , a connecting surface portion 40 , a hem surface portion 42 , and an inner panel side bead 44 .
  • the base surface portion 36 is close to the vehicle front portion of the vehicle body side lower edge portion 18A.
  • the base surface portion 36 extends in the vehicle width direction substantially along a horizontal plane in a state where the tailgate 16 closes the rear opening portion 14 and faces the vehicle front portion of the vehicle body side lower edge portion 18A.
  • a rectangular inner-panel-side through-hole H1 for disposing the latch mechanism 28 is provided in the middle portion of the base surface portion 36 in the vehicle width direction.
  • a latch mechanism 28 is attached to the base surface portion 36 .
  • the inner panel body portion 34 rises from the vehicle front end of the base surface portion 36 and faces the outer panel 22 .
  • the seal surface portion 38 is connected to the vehicle rear end of the base surface portion 36 via an inner panel side forward bent portion 3802 and extends with an inclination that gradually displaces downward toward the rear of the vehicle. .
  • the weather strip 30 elastically contacts the seal surface 38 to prevent rainwater from entering the luggage compartment 12 .
  • connection surface portion 40 is connected to the vehicle rear end of the seal surface portion 38 via the inner panel side rear bent portion 3804 and extends rearward of the vehicle. , extending at a slope that gradually displaces downward toward the rear of the vehicle.
  • the inclination of the connecting surface portion 40 is gentler than the inclination of the sealing surface portion 38 .
  • the hem surface portion 42 extends downward from the vehicle rear end of the connection surface portion 40 .
  • the edge portion 22A of the outer panel 22 is folded back by hemming and joined and connected to the hem surface portion 42 .
  • the inner panel side bead 44 is provided at a portion of the connecting surface portion 40 located in the middle portion in the vehicle width direction.
  • six inner panel side beads 44 are provided at intervals in the vehicle width direction and extend in the vehicle front-rear direction from the vehicle front end to the vehicle rear end of the connection surface portion 40 as shown in FIG. .
  • These inner panel side beads 44 are provided in an upwardly convex shape.
  • the latch attachment portion 46 includes the inner panel body portion 34, the base surface portion 36, the seal surface portion 38, the connection surface portion 40, the inner panel side bead 44, and their and a latch reinforcement 48 attached over the point.
  • the latch reinforcement 48 is a member that reinforces the portion of the inner panel 20 where the latch mechanism 28 is provided.
  • the latch reinforcement 48 is a member that reinforces the inner panel body portion 34 , the base surface portion 36 , the seal surface portion 38 , the connection surface portion 40 and the inner panel side bead 44 .
  • the latch reinforcement 48 includes a reinforcement body plate portion 50, a reinforcement front plate portion 52, a pair of step plate portions 54, a reinforcement inclined plate portion 56, a reinforcement It includes a rear plate portion 58 , a first reinforcement side bead 60 and a second reinforcement side bead 62 .
  • the reinforcement body plate portion 50 is a portion that is superimposed on and coupled to the base surface portion 36 from above.
  • the reinforcement body plate portion 50 is provided with a rectangular reinforcement side through hole H2 that matches the inner panel side through hole H1 of the base surface portion 36 .
  • the latch mechanism 28 includes a latch 28A that can be engaged/disengaged with the striker 26, a drive mechanism 28B that engages/disengages the latch 28A with/from the striker 26, and a mounting plate 28C. By engaging the latch 28A with the striker 26, the closed state of the tailgate 16 is locked.
  • the latch mechanism 28 is inserted into the inner panel side through hole H1 and the reinforcement side through hole H2 from below, and the mounting plate 28C is superimposed on the lower surface of the base surface portion 36 around the inner panel side through hole H1.
  • the force body plate portion 50, the base surface portion 36, and the mounting plate 28C are attached to the base surface portion 36 by screwing a nut N1 onto a bolt B1 that penetrates the mounting plate 28C.
  • the reinforcement body plate portion 50 is thereby coupled to the base surface portion 36 .
  • the mounting structure of the latch mechanism 28 is not limited to the embodiment, and various conventionally known mounting structures can be employed.
  • the reinforcement front plate portion 52 is positioned at the front end of the reinforcement body plate portion 50 .
  • the reinforcement front plate portion 52 includes an intermediate convex portion 52A, a pair of joint portions 52B, and a pair of outer convex portions 52C.
  • the intermediate convex portion 52A is provided in the middle of the reinforcement front plate portion 52 in the vehicle width direction, and is flat with a central plate portion 5202 standing from the center of the front end of the reinforcement main body plate portion 50 and inclined plate portions 5204 on both sides. It is provided in a convex shape behind the vehicle.
  • the pair of joint portions 52B includes side plate portions 5206 that stand up from the front ends of the reinforcement body plate portions 50 on both sides of the intermediate convex portion 52A, and inclined plate portions 5208 that are connected to the outside of the side plate portions 5206 in the vehicle width direction. , and the inner side of the side plate portion 5206 in the vehicle width direction are connected to the inclined plate portion 5204 .
  • the side plate portion 5206 and the inclined plate portions 5204 and 5208 on both sides are provided in a convex shape toward the front of the vehicle in plan view.
  • the pair of outer convex portions 52C are connected to the inclined plate portions 5208 of the pair of joint portions 52B, respectively.
  • a pair of the outer convex portion 52C and the inclined plate portion 5208 are provided in a convex shape rearward of the vehicle in a plan view. Then, as shown in FIGS. 3, 6, 8, and 10, the pair of joint portions 52B are superimposed on the inner panel main body portion 34 near the base surface portion 36 from the rear of the vehicle, and the side plate portions 5206 of the pair of joint portions 52B are overlapped. is joined to the inner panel main body portion 34 by spot welding, and the symbol * in FIGS. As shown in FIGS. 4 and 7, a gap is provided in the vehicle front-rear direction between the inner panel main body portion 34 and the intermediate convex portion 52A and the pair of outer convex portions 52C.
  • the pair of step plate portions 54 are provided on both sides of the reinforcement body plate portion 50 in the vehicle width direction.
  • the pair of step plate portions 54 includes an inclined portion 54A that gradually displaces upward from both sides in the vehicle width direction of the reinforcement main body plate portion 50 toward the outer side in the vehicle width direction, and an upper end of the inclined portion 54A that extends outward in the vehicle width direction. and an extension portion 54B.
  • the vehicle front end of the extending portion 54B is connected to the lower end of the outer convex portion 52C.
  • a vertical gap is provided between the base surface portion 36 of the inner panel 20 and the step plate portion 54 .
  • the vehicle front end 5402 of the inclined portion 54A and the inclined plate portion 5208 of the joint portion 52B of the reinforcement front plate portion 52 correspond to the inclined surfaces 5002 of the reinforcement body plate portion 50 on both sides of the vehicle front end. It is connected to the.
  • the reinforcement inclined plate portion 56 is connected to the vehicle rear end of the reinforcement main body plate portion 50 and the step plate portion 54 via the reinforcement side forward bending portion 5602. It extends with an inclination that gradually displaces downward toward the rear of the vehicle.
  • the reinforcement inclined plate portion 56 faces the seal surface portion 38 of the inner panel 20 with a space therebetween at the rear of the vehicle.
  • the reinforcement inclined plate portion 56 and the sealing surface portion 38 facing each other indicate a state in which the reinforcement inclined plate portion 56 and the sealing surface portion 38 face each other with a space therebetween.
  • the state in which the plate portion 56 and the sealing surface portion 38 are parallel is not limited. As shown in FIG.
  • the reinforcement-side forward bent portion 5602 is positioned at approximately the same height as the inner panel-side forward bent portion 3802 . Further, the reinforcement-side forward bending portion 5602 is provided at a location spaced rearward of the vehicle with respect to the inner-panel-side forward bending portion 3802 .
  • the reinforcement rear plate portion 58 is connected to the vehicle rear end of the reinforcement inclined plate portion 56 via the reinforcement side rear bent portion 5604, and is connected to the connection surface portion 40 upwardly.
  • the reinforcement rear plate portion 58 is a portion that is joined to the inner panel side bead 44 provided on the connection surface portion 40 from above.
  • first reinforcement side beads 60 are provided at an intermediate portion in the vehicle width direction of the latch reinforcement 48 at intervals in the vehicle width direction.
  • the first reinforcement-side bead 60 has an upwardly convex shape, and passes from the vehicle rear part of the reinforcement main body plate portion 50 through the reinforcement-side forward bending portion 5602, the reinforcement inclined plate portion 56, and the reinforcement-side rear bending portion 5604. It extends along the vehicle front-rear direction to the rear end of the reinforcement rear plate portion 58 .
  • the first reinforcement side bead 60 and the step plate portion 54 overlap on the reinforcement body plate portion 50 when viewed from the vehicle width direction. Specifically, when viewed from the vehicle width direction, the vehicle front portion of the first reinforcement side bead 60 and the vehicle rear portion of the step plate portion 54 overlap on the reinforcement body plate portion 50 .
  • the second reinforcement side bead 62 is formed on the rear reinforcement plate portion 58 so as to project upward and extend in the vehicle front-rear direction, and is spaced apart in the vehicle width direction. are provided, and three are provided in the present embodiment. 3, 6, and 10, the second reinforcement side bead 62 includes extension portions 60A of the two first reinforcement side beads 60 formed on the reinforcement rear plate portion 58. . A total of five second reinforcement-side beads 62 are provided. 3, 8, and 10, the inner panel side bead 44 and the portion of the reinforcement rear plate portion 58 excluding the second reinforcement side bead 62 are joined by welding.
  • the reinforcement-side forward bent portion 5602 of the latch reinforcement 48 is positioned at a location spaced rearward of the vehicle from the inner-panel-side forward bent portion 3802 of the inner panel 20.
  • an elongated closed cross-sectional structure oblique to the vertical direction is formed between the sealing surface portion 38 of the inner panel 20 and the reinforcement inclined plate portion 56 of the latch reinforcement 48 .
  • the dimension of the connecting surface portion 40 connected to the rear end of the sealing surface portion 38 of the inner panel 20 in the vehicle front-rear direction is extremely short, and the vehicle rear end of the latch reinforcement 48 extends only up to the sealing surface portion 38 of the inner panel 20. not.
  • the dimension of the connecting surface portion 40 of the inner panel 20 in the front-rear direction of the vehicle is set longer than before due to a specification change of the tailgate 16 due to a model change of the vehicle 10
  • the strength and rigidity of the inner panel 20 are increased. is reduced, the tailgate 16 is easily deformed, and the weight of the tailgate 16 is increased.
  • the inertial force in the tailgate opening/closing direction that occurs when the vehicle 10 runs over the curb increases, and the load applied to the inner panel 20 and the latch reinforcement 48 via the latch mechanism 28, that is, the inner panel 20 And the load input in the direction of deforming the latch reinforcement 48 also increases.
  • the load that is input when the vehicle runs over a curb is much larger than the load that is input to the inner panel 20 and the latch reinforcement 48 when the tailgate 16 is opened and closed.
  • the latch reinforcement 48 and the latch reinforcement 48 are placed near the portion of the inner panel 20 to which the latch mechanism 28 is attached.
  • the latch reinforcement 48 is provided with a reinforcement body plate portion 50 that is coupled to the base surface portion 36 from above, and the reinforcement body plate portion 50 gradually extends downward from the rear end of the vehicle toward the rear of the vehicle.
  • a reinforcement inclined plate portion 56 that is displaced and faces the seal surface portion 38 behind the vehicle, and a reinforcement rear plate portion that is connected to the vehicle rear end of the reinforcement inclined plate portion 56 and joined to the connection surface portion 40 from above. 58 are provided, and a closed cross-sectional structure is formed between the seal surface portion 38 of the inner panel 20 and the reinforcement inclined plate portion 56 of the latch reinforcement 48 when viewed from the vehicle width direction. Therefore, it is advantageous in increasing the strength and rigidity of the inner panel 20 and the latch reinforcement 48 where the latch mechanism 28 is attached.
  • the latch ring is bent at the bent portions 5602 and 3802 .
  • Force 48 and inner panel 20 are easily deformed.
  • the reinforcement-side forward bending portion 5602 of the latch reinforcement 48 is positioned at a location spaced rearward of the vehicle from the inner-panel-side forward bending portion 3802 of the inner panel 20, and is positioned in the vehicle width direction.
  • a closed cross-sectional structure is formed between the sealing surface portion 38 of the inner panel 20 and the reinforcement inclined plate portion 56 of the latch reinforcement 48 when viewed from the top.
  • the first reinforcement side bead 60 extending along the vehicle front-rear direction in a convex shape extending upward across the reinforcement body plate portion 50 and the reinforcement inclined plate portion 56 extends in the vehicle width direction. A plurality of them are provided at intervals. Therefore, the first reinforcement side bead 60 is more advantageous in increasing the strength and rigidity of the inner panel 20 and the latch reinforcement 48, and the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against the load input when running over the curb. It is more advantageous for improvement.
  • the step plate portions 54 are provided on both sides of the reinforcement main body plate portion 50 in the vehicle width direction, and the first reinforcement side beads 60 and the step plate portions 54 are separated from each other when viewed from the vehicle width direction. They are overlapped on the body plate portion 50 . Specifically, the vehicle front portion of the first reinforcement side bead 60 and the vehicle rear portion of the step plate portion 54 are overlapped on the reinforcement main body plate portion 50, and from the front end to the rear end of the latch reinforcement 48. Rigidity is ensured without interruption. Therefore, the strength and rigidity of the inner panel 20 and the latch reinforcement 48 are increased, which is more advantageous in improving the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against the load input when running over the curb.
  • the first reinforcement side bead 60 extends to the vehicle rear end of the reinforcement rear plate portion 58 through the reinforcement inclined plate portion 56 . Therefore, the strength and rigidity of the inner panel 20 and the latch reinforcement 48 are increased by the first reinforcement side bead 60, and the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against the load input when running over the curb are improved. is more advantageous.
  • the thickness of the latch reinforcement 48 is larger than the thickness of the portion of the inner panel 20 where the latch reinforcement 48 is superimposed and joined.
  • a rigidity difference occurs between the rigidity and the rigidity of the inner panel 20 .
  • an inner panel side bead 44 that protrudes upward and extends in the vehicle front-rear direction is formed at a portion (connection surface portion 40) of the inner panel 20 where the reinforcement rear plate portion 58 is superimposed.
  • the rigidity difference between the reinforcement rear plate portion 58 and the portion of the inner panel 20 where the reinforcement rear plate portion 58 is overlapped and welded is reduced, and the latch is provided.
  • This is advantageous in increasing the durability strength of the welded portion between the reinforcement 48 and the inner panel 20 .
  • it is of course advantageous in increasing the rigidity of the welded portion and increasing the durability strength of the welded portion against the load input when the tailgate 16 is opened and closed. It is also advantageous in terms of suppression.
  • Vehicle 12 Luggage compartment 14 Rear opening 16 Tailgate 18 Body panel 18A Body-side lower edge 20 Inner panel 22 Outer panel 26 Striker 28 Latch mechanism 34 Inner panel main body 36 Base surface 38 Seal surface 3802 Inner panel-side front bent portion 40 Connection surface portion 42 Hem surface portion 44 Inner panel side bead 46 Latch mounting portion 48 Latch reinforcement 50 Reinforce body plate portion 52 Reinforce front plate portion 54 Step plate portion 56 Reinforce inclined plate portion 5602 Reinforce side forward bending portion 58 Reinforce Rear plate portion 60 First reinforcement side bead 60A Extension portion 62 Second reinforcement side bead

Abstract

In the present invention, a latch reinforcement comprises: a reinforcement main body plate part which is connected to a base surface part from above; a reinforcement inclined plate part which faces a sealing surface part on the vehicle rear side of the sealing surface part and the position of which gradually lowers from the vehicle rear end of the reinforcement main body plate part toward the rear side of the vehicle; and a reinforcement rear plate part which is connected to the vehicle rear end of the reinforcement inclined plate part and which is joined to a connection surface part from above. When viewed from the vehicle width direction, a closed cross section structure is formed between the sealing surface part of an inner panel and the reinforcement inclined plate part of the latch reinforcement.

Description

車両のテールゲート構造vehicle tailgate structure
　本発明は車両のテールゲート構造に関する。 The present invention relates to a vehicle tailgate structure.
　車室内の後部に荷室が設けられ、荷室に対して荷物の出し入れを行なうための開口部が車両後部に設けられ、開口部を開閉する跳ね上げ式のテールゲートが設けられた車両が提供されている。
　テールゲートは、インナパネルとアウタパネルとが接合されて構成されており、インナパネルには、開口部に設けられたストライカに係合されるラッチ機構が設けられると共に、ラッチ機構が取り付けられるインナパネルの箇所を補強するラッチリンフォースが設けられている。 Provided is a vehicle provided with a luggage compartment provided in the rear part of the vehicle compartment, an opening provided in the rear part of the vehicle for taking in and out luggage from the luggage compartment, and a flip-up tailgate for opening and closing the opening. It is
The tailgate is constructed by joining an inner panel and an outer panel. The inner panel is provided with a latch mechanism that engages with a striker provided in the opening, and the inner panel to which the latch mechanism is attached. A latch reinforcement is provided to reinforce the location.
日本国特開２０１０－１６３０２３号公報Japanese Patent Application Laid-Open No. 2010-163023
　ところで、車両のモデルチェンジに伴ってテールゲートの仕様が変更され、ラッチ機構が取り付けられるインナパネルの箇所の近傍におけるインナパネルの車両前後方向の寸法が従来よりも大きく設定される場合がある。
　この場合、ラッチ機構が取り付けられるインナパネルの箇所の寸法が大きく確保されることで、インナパネルの強度、剛性が従来に比較して低下することになり、そのため、インナパネルが変形しやすくなる。
　また、インナパネルの箇所の寸法が大きく確保されることで、テールゲートの重量が従来に比較して増加し、縁石乗り上げ時にテールゲートに生じる慣性力が大きくなることからラッチ機構を介してインナパネルおよびラッチリンフォースに入力する荷重が増加する。
　したがって、インナパネルがより変形しやすくなった状態で縁石乗り上げ時の荷重入力が増加することにより、従来のラッチリンフォースを用いていたのでは、インナパネルおよびラッチリンフォースの強度、剛性が不足することとなり、縁石乗り上げ時におけるインナパネルおよびラッチリンフォースの変形を抑制する上で不利がある。
　そこで、ラッチ機構が取り付けられたインナパネルの箇所の近傍にラッチリンフォースとは別の補強部材を設け、縁石乗り上げ時の荷重入力に対するインナパネルおよびラッチリンフォースの変形を抑制することが考えられるが、その場合は、部品点数の増加を招く不利がある。
　本発明は前記事情に鑑み案出されたもので、本発明の目的は、部品点数の増加を招くこと無く、インナパネルおよびラッチリンフォースの縁石乗り上げ時の荷重入力に対する強度、剛性の向上を図る上で有利な車両のテールゲート構造を提供することにある。 By the way, there are cases where the specification of the tailgate is changed along with the model change of the vehicle, and the size of the inner panel in the longitudinal direction of the vehicle in the vicinity of the portion of the inner panel where the latch mechanism is attached is set larger than before.
In this case, the size of the portion of the inner panel to which the latch mechanism is attached is ensured to be large, so that the strength and rigidity of the inner panel are reduced compared to the conventional ones, so the inner panel is easily deformed.
In addition, by securing a large dimension for the inner panel, the weight of the tailgate increases compared to the conventional one, and the inertial force generated in the tailgate when running over the curb increases. And the load input to the latch reinforcement increases.
Therefore, if the conventional latch reinforcement is used, the strength and rigidity of the inner panel and the latch reinforcement will be insufficient due to the increased load input when running over the curb in a state where the inner panel is more easily deformed. As a result, there is a disadvantage in suppressing deformation of the inner panel and the latch reinforcement when running over the curb.
Therefore, it is conceivable to provide a reinforcing member other than the latch reinforcement near the portion of the inner panel where the latch mechanism is attached to suppress the deformation of the inner panel and the latch reinforcement against the load input when running over the curb. , in that case, there is a disadvantage that the number of parts increases.
The present invention has been devised in view of the above circumstances, and an object of the present invention is to improve the strength and rigidity of the inner panel and latch reinforcement against the load input when running over the curb without increasing the number of parts. To provide a vehicle tailgate structure which is advantageous in the above.
　上記目的を達成するために、本発明の一実施の形態は、車両後部の車体パネルに設けられた開口部と、前記開口部の下縁を形成しストライカが設けられた前記車体パネルの下縁部と、インナパネルを含んで構成され前記開口部を開閉する跳ね上げ式のテールゲートと、前記インナパネルに取り付けられ前記ストライカに係合されるラッチ機構と、前記ラッチ機構が設けられる前記インナパネルの箇所を補強するラッチリンフォースと、を備える車両のテールゲート構造であって、前記テールゲートにより前記開口部を閉塞した状態で前記車体パネルの下縁部に近接する前記インナパネルの箇所は、前記ラッチ機構が取り付けられるベース面部と、前記ベース面部の車両後端から車両後方に至るにつれて次第に下方に変位するシール面部と、前記シール面部の車両後端から車両後方に延在する接続面部とを備え、前記ラッチリンフォースは、前記ベース面部に上方から結合されるリンフォース本体板部と、前記リンフォース本体板部の車両後端から車両後方に至るにつれて次第に下方に変位し前記シール面部の車両後方で前記シール面部に対向するリンフォース傾斜板部と、前記リンフォース傾斜板部の車両後端に接続され前記接続面部に上方から接合されるリンフォース後板部とを備え、車幅方向から見て、前記インナパネルの前記シール面部と前記ラッチリンフォースの前記リンフォース傾斜板部との間に閉塞断面構造が形成されていることを特徴とする。 In order to achieve the above object, one embodiment of the present invention provides an opening provided in a vehicle body panel at the rear of a vehicle, and a lower edge of the vehicle body panel forming a lower edge of the opening and provided with a striker. a flip-up tailgate that includes an inner panel and opens and closes the opening; a latch mechanism attached to the inner panel and engaged with the striker; and the inner panel provided with the latch mechanism. and a latch reinforcement that reinforces a portion of the inner panel, the portion of the inner panel that is close to the lower edge of the vehicle body panel in a state where the opening is closed by the tailgate, A base surface portion to which the latch mechanism is attached, a seal surface portion that gradually displaces downward from the vehicle rear end of the base surface portion toward the vehicle rearward, and a connection surface portion that extends from the vehicle rear end toward the vehicle rearward of the seal surface portion. The latch reinforcement includes a reinforcement body plate portion that is coupled to the base surface portion from above, and a reinforcement body plate portion that is gradually displaced downward from the vehicle rear end of the reinforcement body plate portion toward the rear of the vehicle, and the sealing surface portion of the vehicle. A reinforcement inclined plate portion facing the seal surface portion at the rear, and a reinforcement rear plate portion connected to the vehicle rear end of the reinforcement inclined plate portion and joined to the connection surface portion from above, from the vehicle width direction As seen, a closed cross-sectional structure is formed between the seal surface portion of the inner panel and the reinforcement inclined plate portion of the latch reinforcement.
　本発明の一実施の形態によれば、ラッチリンフォースに、インナパネルのベース面部に上方から結合されるリンフォース本体板部と、インナパネルのシール面部の車両後方でシール面部に対向するリンフォース傾斜板部と、インナパネルの接続面部に上方から接合されるリンフォース後板部とを設け、車幅方向から見て、インナパネルのシール面部とラッチリンフォースのリンフォース傾斜板部との間に閉塞断面構造を形成した。
　そのため、ラッチ機構が取り付けられる箇所のインナパネルおよびラッチリンフォースの強度、剛性を高める上で有利となる。
　したがって、インナパネルの接続面部の車両前後方向に沿った寸法が長く設定されることで、インナパネルの強度、剛性が低下し、テールゲートの重量が増加している場合であっても、部品点数の増加を招くことなく、縁石乗り上げ時における荷重入力に対するインナパネルおよびラッチリンフォースの強度、剛性の向上を図る上で有利となる。 According to one embodiment of the present invention, the latch reinforcement includes a reinforcement body plate portion coupled to the base surface portion of the inner panel from above, and a reinforcement body facing the seal surface portion of the seal surface portion of the inner panel behind the vehicle. A sloped plate portion and a reinforcement rear plate portion joined from above to the connection surface portion of the inner panel are provided, and when viewed from the vehicle width direction, there is a gap between the sealing surface portion of the inner panel and the reinforcement slope portion of the latch reinforcement. A closed cross-sectional structure was formed at
Therefore, it is advantageous in increasing the strength and rigidity of the inner panel and the latch reinforcement where the latch mechanism is attached.
Therefore, even if the length of the connecting surface of the inner panel along the longitudinal direction of the vehicle is set long, the strength and rigidity of the inner panel are reduced, and the weight of the tailgate is increased. It is advantageous in improving the strength and rigidity of the inner panel and the latch reinforcement against the load input when running over the curb without causing an increase in .
本発明の実施の形態に係る車両のテールゲート構造が適用された車両を車両後方から見た斜視図である。1 is a perspective view of a vehicle to which a vehicle tailgate structure according to an embodiment of the present invention is applied, viewed from the rear of the vehicle; FIG. テールゲートの分解斜視図である。1 is an exploded perspective view of a tailgate; FIG. テールゲートにより後部開口部が閉塞された状態で、ラッチ機構が取り付けられたインナパネル、インナパネルに接合されたラッチリンフォース、後部開口部を形成する車体パネルの下縁部を車両後方から見た斜視図である。With the rear opening closed by the tailgate, the inner panel to which the latch mechanism is attached, the latch reinforcement joined to the inner panel, and the lower edge of the body panel forming the rear opening are viewed from the rear of the vehicle. It is a perspective view. 図３のＡ－Ａ線断面図である。FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3; 図３のＢ－Ｂ線断面図である。FIG. 4 is a cross-sectional view taken along line BB of FIG. 3; 図３のＣ－Ｃ線断面図である。4 is a cross-sectional view taken along line CC of FIG. 3; FIG. 図３のＤ－Ｄ線断面図である。4 is a cross-sectional view taken along line DD of FIG. 3; FIG. インナパネルに接合されたラッチリンフォースを車両後方の斜め下方から見た図である。It is the figure which looked at the latch reinforcement joined to the inner panel from the diagonally lower back of the vehicle. 図８をＡ－Ａ線断面で破断した断面斜視図である。FIG. 9 is a cross-sectional perspective view of FIG. 8 taken along line AA. ラッチリンフォースを車両後方から見た斜視図である。It is the perspective view which looked at the latch reinforcement from the vehicle rear.
　以下、本発明の実施の形態について図面を参照して説明する。
　なお、以下の図面において、符号ＵＰは車両上方を示し、符号ＦＲは車両前方を示し、符号ＨＬは車幅方向を示す。
　図１に示すように、車両１０の車室内の後部に荷室１２が設けられ、荷室１２に対して荷物の出し入れを行なうための後部開口部１４が車両１０の後部の車体パネル１８に設けられている。
　後部開口部１４は、後部開口部１４の上縁部にヒンジ（不図示）を介して揺動可能に支持された跳ね上げ式のテールゲート１６によって開閉される。
　図２に示すように、テールゲート１６は、後部開口部１４を閉塞した状態で荷室１２側に位置するインナパネル２０と、インナパネル２０の外側に対向して配置されたアウタパネル２２と、テールゲート１６の上半部に設けられたリアウインドウガラス２４と、を備えている。
　テールゲート１６は、リアウインドウガラス２４の周囲に中空状に設けられ、アウタパネル２２の外縁全周はヘミング加工によりインナパネル２０の外縁全周に折り返されて連結されている。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In the drawings below, the symbol UP indicates the upper side of the vehicle, the symbol FR indicates the front side of the vehicle, and the symbol HL indicates the width direction of the vehicle.
As shown in FIG. 1, a luggage compartment 12 is provided in the rear part of the passenger compartment of a vehicle 10, and a rear opening 14 for loading and unloading luggage into and out of the luggage compartment 12 is provided in a vehicle body panel 18 at the rear of the vehicle 10. It is
The rear opening 14 is opened and closed by a flip-up tailgate 16 that is swingably supported on the upper edge of the rear opening 14 via a hinge (not shown).
As shown in FIG. 2, the tailgate 16 includes an inner panel 20 positioned on the luggage compartment 12 side with the rear opening 14 closed, an outer panel 22 facing the inner panel 20, and a tail. and a rear window glass 24 provided in the upper half of the gate 16 .
The tailgate 16 is provided in a hollow shape around the rear window glass 24, and the entire outer edge of the outer panel 22 is folded back and connected to the entire outer edge of the inner panel 20 by hemming.
　図４に示すように、後部開口部１４の下縁は、車体パネル１８の車体側下縁部１８Ａで形成されている。
　車体側下縁部１８Ａは、車両前部に位置するベース面部１８０２と、ベース面部１８０２の車両後端から車両後方に至るにつれて下方に変位する傾斜面部１８０４と、傾斜面部１８０４の車両後端から車両後方に延在する接続面部１８０６と、を含む。
　ベース面部１８０２には、ストライカ２６が設けられる。傾斜面部１８０４には、後部開口部１４の全周に延在するウェザーストリップ３０の部分が設けられる。ウェザーストリップ３０の車体後部で下方に、リアバンパ３２の上部が位置している。
　テールゲート１６のインナパネル２０に、ストライカ２６に係脱するラッチ機構２８が設けられている。 As shown in FIG. 4, the lower edge of the rear opening 14 is formed by a lower edge 18A of the vehicle body panel 18 on the vehicle body side.
The vehicle-body-side lower edge portion 18A includes a base surface portion 1802 positioned at the front of the vehicle, an inclined surface portion 1804 that displaces downward from the vehicle rear end of the base surface portion 1802 toward the vehicle rear, and an inclined surface portion 1804 that extends from the vehicle rear end toward the vehicle rear. and a rearwardly extending connecting surface portion 1806 .
A striker 26 is provided on the base surface portion 1802 . The ramp portion 1804 is provided with a portion of the weatherstrip 30 that extends all the way around the rear opening 14 . An upper portion of a rear bumper 32 is positioned below the weatherstrip 30 at the rear of the vehicle body.
The inner panel 20 of the tailgate 16 is provided with a latch mechanism 28 that engages and disengages with the striker 26 .
　図３、図４に示すように、テールゲート１６により後部開口部１４を閉塞した状態で車体側下縁部１８Ａに近接するインナパネル２０の箇所は、インナパネル本体部３４と、ベース面部３６と、シール面部３８と、接続面部４０と、ヘム面部４２と、インナパネル側ビード４４と、を含む。 As shown in FIGS. 3 and 4, the portions of the inner panel 20 that are close to the vehicle body side lower edge portion 18A with the rear opening portion 14 closed by the tailgate 16 are the inner panel body portion 34 and the base surface portion 36. , a sealing surface portion 38 , a connecting surface portion 40 , a hem surface portion 42 , and an inner panel side bead 44 .
　ベース面部３６は、車体側下縁部１８Ａの車両前部に近接している。
　ベース面部３６は、テールゲート１６が後部開口部１４を閉塞した状態で、ほぼ水平面に沿って車幅方向に延在し、車体側下縁部１８Ａの車両前部に対向している。
　図４に示すように、ベース面部３６の車幅方向の中間部には、ラッチ機構２８を配設するための矩形状のインナパネル側貫通孔Ｈ１が設けられる。ベース面部３６には、ラッチ機構２８が取り付けられている。
　インナパネル本体部３４は、ベース面部３６の車両前端から起立し、アウタパネル２２に対向している。 The base surface portion 36 is close to the vehicle front portion of the vehicle body side lower edge portion 18A.
The base surface portion 36 extends in the vehicle width direction substantially along a horizontal plane in a state where the tailgate 16 closes the rear opening portion 14 and faces the vehicle front portion of the vehicle body side lower edge portion 18A.
As shown in FIG. 4, a rectangular inner-panel-side through-hole H1 for disposing the latch mechanism 28 is provided in the middle portion of the base surface portion 36 in the vehicle width direction. A latch mechanism 28 is attached to the base surface portion 36 .
The inner panel body portion 34 rises from the vehicle front end of the base surface portion 36 and faces the outer panel 22 .
　図４に示すように、シール面部３８は、ベース面部３６の車両後端にインナパネル側前曲げ部３８０２を介して接続され、車両後方に至るにつれて次第に下方に変位する傾斜で延在している。
　テールゲート１６で後部開口部１４を閉塞した状態で、ウェザーストリップ３０がシール面部３８に弾接することにより荷室１２内への雨水の侵入を阻止している。 As shown in FIG. 4, the seal surface portion 38 is connected to the vehicle rear end of the base surface portion 36 via an inner panel side forward bent portion 3802 and extends with an inclination that gradually displaces downward toward the rear of the vehicle. .
With the rear opening 14 closed by the tailgate 16 , the weather strip 30 elastically contacts the seal surface 38 to prevent rainwater from entering the luggage compartment 12 .
　図５に示すように、接続面部４０は、シール面部３８の車両後端にインナパネル側後曲げ部３８０４を介して接続されて車両後方に延在し、本実施の形態では、接続面部４０は、車両後方に至るにつれて次第に下方に変位する傾斜で延在している。接続面部４０の傾斜は、シール面部３８の傾斜よりも緩やかである。 As shown in FIG. 5, the connection surface portion 40 is connected to the vehicle rear end of the seal surface portion 38 via the inner panel side rear bent portion 3804 and extends rearward of the vehicle. , extending at a slope that gradually displaces downward toward the rear of the vehicle. The inclination of the connecting surface portion 40 is gentler than the inclination of the sealing surface portion 38 .
　図４に示すように、ヘム面部４２は、接続面部４０の車両後端から下方に延在する。アウタパネル２２の縁部２２Ａが、ヘミング加工により折り返されてヘム面部４２に接合され連結されている。 As shown in FIG. 4 , the hem surface portion 42 extends downward from the vehicle rear end of the connection surface portion 40 . The edge portion 22A of the outer panel 22 is folded back by hemming and joined and connected to the hem surface portion 42 .
　図３、図８に示すように、インナパネル側ビード４４は、接続面部４０の車幅方向の中間部に位置する部分に設けられている。
　本実施の形態では、６つのインナパネル側ビード４４が車幅方向に間隔をおいて、図５に示すように接続面部４０の車両前端から車両後端にわたり車両前後方向に延在して設けられる。それらインナパネル側ビード４４は、上方に凸状に設けられている。
　図３、図４、図８に示すように、ラッチ取り付け部４６は、インナパネル本体部３４と、ベース面部３６と、シール面部３８と、接続面部４０と、インナパネル側ビード４４と、それらの箇所にわたって取り付けられたラッチリンフォース４８と、を含む。 As shown in FIGS. 3 and 8 , the inner panel side bead 44 is provided at a portion of the connecting surface portion 40 located in the middle portion in the vehicle width direction.
In the present embodiment, six inner panel side beads 44 are provided at intervals in the vehicle width direction and extend in the vehicle front-rear direction from the vehicle front end to the vehicle rear end of the connection surface portion 40 as shown in FIG. . These inner panel side beads 44 are provided in an upwardly convex shape.
As shown in FIGS. 3, 4, and 8, the latch attachment portion 46 includes the inner panel body portion 34, the base surface portion 36, the seal surface portion 38, the connection surface portion 40, the inner panel side bead 44, and their and a latch reinforcement 48 attached over the point.
　図３、図４、図８に示すように、ラッチリンフォース４８は、ラッチ機構２８が設けられるインナパネル２０の箇所を補強する部材である。ラッチリンフォース４８は、詳細には、インナパネル本体部３４と、ベース面部３６と、シール面部３８と、接続面部４０と、インナパネル側ビード４４と、を補強する部材である。
　図８、図１０に示すように、ラッチリンフォース４８は、リンフォース本体板部５０と、リンフォース前板部５２と、一対のステップ板部５４と、リンフォース傾斜板部５６と、リンフォース後板部５８と、第１リンフォース側ビード６０と、第２リンフォース側ビード６２と、を含む。 As shown in FIGS. 3, 4, and 8, the latch reinforcement 48 is a member that reinforces the portion of the inner panel 20 where the latch mechanism 28 is provided. Specifically, the latch reinforcement 48 is a member that reinforces the inner panel body portion 34 , the base surface portion 36 , the seal surface portion 38 , the connection surface portion 40 and the inner panel side bead 44 .
8 and 10, the latch reinforcement 48 includes a reinforcement body plate portion 50, a reinforcement front plate portion 52, a pair of step plate portions 54, a reinforcement inclined plate portion 56, a reinforcement It includes a rear plate portion 58 , a first reinforcement side bead 60 and a second reinforcement side bead 62 .
　図３、図４に示すように、リンフォース本体板部５０は、ベース面部３６に上方から重ね合わされて結合される箇所である。
　リンフォース本体板部５０には、ベース面部３６のインナパネル側貫通孔Ｈ１と合致する矩形状のリンフォース側貫通孔Ｈ２が設けられている。
　図４に示すように、ラッチ機構２８は、ストライカ２６に係脱可能なラッチ２８Ａと、ラッチ２８Ａをストライカ２６に係脱させる駆動機構２８Ｂと、取り付け板２８Ｃと、を備える。ラッチ２８Ａがストライカ２６に係合することで、テールゲート１６の閉塞状態がロックされる。
　ラッチ機構２８は、下方からインナパネル側貫通孔Ｈ１とリンフォース側貫通孔Ｈ２に挿入され取り付け板２８Ｃがインナパネル側貫通孔Ｈ１の周囲のベース面部３６の下面に重ね合わされた状態で、それらリンフォース本体板部５０、ベース面部３６、取り付け板２８Ｃを貫通するボルトＢ１にナットＮ１が螺合することでベース面部３６に取り付けられている。これによりリンフォース本体板部５０はベース面部３６に結合されている。
　なお、ラッチ機構２８の取付構造は実施の形態に限定されるものではなく、従来公知の様々な取付構造が採用可能である。 As shown in FIGS. 3 and 4, the reinforcement body plate portion 50 is a portion that is superimposed on and coupled to the base surface portion 36 from above.
The reinforcement body plate portion 50 is provided with a rectangular reinforcement side through hole H2 that matches the inner panel side through hole H1 of the base surface portion 36 .
As shown in FIG. 4, the latch mechanism 28 includes a latch 28A that can be engaged/disengaged with the striker 26, a drive mechanism 28B that engages/disengages the latch 28A with/from the striker 26, and a mounting plate 28C. By engaging the latch 28A with the striker 26, the closed state of the tailgate 16 is locked.
The latch mechanism 28 is inserted into the inner panel side through hole H1 and the reinforcement side through hole H2 from below, and the mounting plate 28C is superimposed on the lower surface of the base surface portion 36 around the inner panel side through hole H1. The force body plate portion 50, the base surface portion 36, and the mounting plate 28C are attached to the base surface portion 36 by screwing a nut N1 onto a bolt B1 that penetrates the mounting plate 28C. The reinforcement body plate portion 50 is thereby coupled to the base surface portion 36 .
The mounting structure of the latch mechanism 28 is not limited to the embodiment, and various conventionally known mounting structures can be employed.
　図４、図１０に示すように、リンフォース前板部５２は、リンフォース本体板部５０の前端に位置している。
　図１０に示すように、リンフォース前板部５２は、中間凸部５２Ａと、一対の接合部５２Ｂと、一対の外側凸部５２Ｃと、を備えている。
　中間凸部５２Ａは、リンフォース前板部５２の車幅方向の中間に設けられ、リンフォース本体板部５０の前端中央から起立する中央板部５２０２と、両側の傾斜板部５２０４と、で平面視車両後方に凸状に設けられている。
　一対の接合部５２Ｂは、中間凸部５２Ａの両側のリンフォース本体板部５０の前端から起立する側板部５２０６と、側板部５２０６の車幅方向外側に接続される傾斜板部５２０８と、を備え、側板部５２０６の車幅方向内側は傾斜板部５２０４に接続されている。側板部５２０６と両側の傾斜板部５２０４、５２０８とは、平面視車両前方に凸状に設けられている。
　一対の外側凸部５２Ｃは、一対の接合部５２Ｂの傾斜板部５２０８にそれぞれ接続される。一対の外側凸部５２Ｃと傾斜板部５２０８とは、平面視車両後方に凸状に設けられている。
　そして、図３、図６、図８、図１０に示すように、一対の接合部５２Ｂがベース面部３６寄りのインナパネル本体部３４に車両後方から重ね合わされ、一対の接合部５２Ｂの側板部５２０６が、スポット溶接によりインナパネル本体部３４に接合されており、図３、図８、図１０において、記号＊はスポット溶接の箇所を示す。
　なお、図４、図７に示すように、インナパネル本体部３４に対して中間凸部５２Ａおよび一対の外側凸部５２Ｃとの間には車両前後方向に隙間が設けられている。 As shown in FIGS. 4 and 10 , the reinforcement front plate portion 52 is positioned at the front end of the reinforcement body plate portion 50 .
As shown in FIG. 10, the reinforcement front plate portion 52 includes an intermediate convex portion 52A, a pair of joint portions 52B, and a pair of outer convex portions 52C.
The intermediate convex portion 52A is provided in the middle of the reinforcement front plate portion 52 in the vehicle width direction, and is flat with a central plate portion 5202 standing from the center of the front end of the reinforcement main body plate portion 50 and inclined plate portions 5204 on both sides. It is provided in a convex shape behind the vehicle.
The pair of joint portions 52B includes side plate portions 5206 that stand up from the front ends of the reinforcement body plate portions 50 on both sides of the intermediate convex portion 52A, and inclined plate portions 5208 that are connected to the outside of the side plate portions 5206 in the vehicle width direction. , and the inner side of the side plate portion 5206 in the vehicle width direction are connected to the inclined plate portion 5204 . The side plate portion 5206 and the inclined plate portions 5204 and 5208 on both sides are provided in a convex shape toward the front of the vehicle in plan view.
The pair of outer convex portions 52C are connected to the inclined plate portions 5208 of the pair of joint portions 52B, respectively. A pair of the outer convex portion 52C and the inclined plate portion 5208 are provided in a convex shape rearward of the vehicle in a plan view.
Then, as shown in FIGS. 3, 6, 8, and 10, the pair of joint portions 52B are superimposed on the inner panel main body portion 34 near the base surface portion 36 from the rear of the vehicle, and the side plate portions 5206 of the pair of joint portions 52B are overlapped. is joined to the inner panel main body portion 34 by spot welding, and the symbol * in FIGS.
As shown in FIGS. 4 and 7, a gap is provided in the vehicle front-rear direction between the inner panel main body portion 34 and the intermediate convex portion 52A and the pair of outer convex portions 52C.
　図１０に示すように、一対のステップ板部５４はリンフォース本体板部５０の車幅方向の両側に設けられている。
　一対のステップ板部５４は、リンフォース本体板部５０の車幅方向両側から車幅方向外側に至るにつれて次第に上方に変位する傾斜部５４Ａと、傾斜部５４Ａの上端から車幅方向外側に延在する延在部５４Ｂと、を備える。延在部５４Ｂの車両前端は外側凸部５２Ｃの下端に接続されている。
　なお、図７に示すように、インナパネル２０のベース面部３６に対してステップ板部５４との間には上下方向に隙間が設けられている。
　また、図１０に示すように、傾斜部５４Ａの車両前端５４０２と、リンフォース前板部５２の接合部５２Ｂの傾斜板部５２０８とは、リンフォース本体板部５０の車両前端両側の傾斜面５００２に接続されている。 As shown in FIG. 10, the pair of step plate portions 54 are provided on both sides of the reinforcement body plate portion 50 in the vehicle width direction.
The pair of step plate portions 54 includes an inclined portion 54A that gradually displaces upward from both sides in the vehicle width direction of the reinforcement main body plate portion 50 toward the outer side in the vehicle width direction, and an upper end of the inclined portion 54A that extends outward in the vehicle width direction. and an extension portion 54B. The vehicle front end of the extending portion 54B is connected to the lower end of the outer convex portion 52C.
As shown in FIG. 7, a vertical gap is provided between the base surface portion 36 of the inner panel 20 and the step plate portion 54 .
Further, as shown in FIG. 10, the vehicle front end 5402 of the inclined portion 54A and the inclined plate portion 5208 of the joint portion 52B of the reinforcement front plate portion 52 correspond to the inclined surfaces 5002 of the reinforcement body plate portion 50 on both sides of the vehicle front end. It is connected to the.
　図５、図９、図１０に示すように、リンフォース傾斜板部５６は、リンフォース本体板部５０およびステップ板部５４の車両後端にリンフォース側前曲げ部５６０２を介して接続され、車両後方に至るにつれて次第に下方に変位する傾斜で延在している。
　リンフォース傾斜板部５６は、インナパネル２０のシール面部３８の車両後方でシール面部３８と間隔をおいて対向している。
　なお、本明細書において、リンフォース傾斜板部５６とシール面部３８とが対向するとは、リンフォース傾斜板部５６とシール面部３８とが間隔をおいて互いに向かい合っている状態を示し、リンフォース傾斜板部５６とシール面部３８とが平行している状態に限定されるものではない。
　図５に示すように、リンフォース側前曲げ部５６０２は、インナパネル側前曲げ部３８０２とほぼ同一の高さに位置する。また、リンフォース側前曲げ部５６０２は、インナパネル側前曲げ部３８０２に対して車両後方に離間した箇所に設けられている。 As shown in FIGS. 5, 9, and 10, the reinforcement inclined plate portion 56 is connected to the vehicle rear end of the reinforcement main body plate portion 50 and the step plate portion 54 via the reinforcement side forward bending portion 5602. It extends with an inclination that gradually displaces downward toward the rear of the vehicle.
The reinforcement inclined plate portion 56 faces the seal surface portion 38 of the inner panel 20 with a space therebetween at the rear of the vehicle.
In this specification, the reinforcement inclined plate portion 56 and the sealing surface portion 38 facing each other indicate a state in which the reinforcement inclined plate portion 56 and the sealing surface portion 38 face each other with a space therebetween. The state in which the plate portion 56 and the sealing surface portion 38 are parallel is not limited.
As shown in FIG. 5 , the reinforcement-side forward bent portion 5602 is positioned at approximately the same height as the inner panel-side forward bent portion 3802 . Further, the reinforcement-side forward bending portion 5602 is provided at a location spaced rearward of the vehicle with respect to the inner-panel-side forward bending portion 3802 .
　図５、図９、図１０に示すように、リンフォース後板部５８は、リンフォース傾斜板部５６の車両後端にリンフォース側後曲げ部５６０４を介して接続され、接続面部４０に上方から接合される箇所であり、本実施の形態では、リンフォース後板部５８は、接続面部４０に設けられたインナパネル側ビード４４に上方から接合される箇所である。 As shown in FIGS. 5, 9, and 10, the reinforcement rear plate portion 58 is connected to the vehicle rear end of the reinforcement inclined plate portion 56 via the reinforcement side rear bent portion 5604, and is connected to the connection surface portion 40 upwardly. In the present embodiment, the reinforcement rear plate portion 58 is a portion that is joined to the inner panel side bead 44 provided on the connection surface portion 40 from above.
　図３、図６、図８、図１０に示すように、第１リンフォース側ビード６０は、ラッチリンフォース４８の車幅方向の中間部に車幅方向に間隔をおいて複数設けられ、本実施の形態では、２つ設けられている。
　第１リンフォース側ビード６０は、上方に凸状を呈し、リンフォース本体板部５０の車両後部からリンフォース側前曲げ部５６０２、リンフォース傾斜板部５６、リンフォース側後曲げ部５６０４を通りリンフォース後板部５８の後端まで車両前後方向に沿って延在している。
　また、図９、図１０に示すように、車幅方向から見ると、リンフォース本体板部５０上において第１リンフォース側ビード６０とステップ板部５４とは重複している。詳細には、車幅方向から見ると、リンフォース本体板部５０上において第１リンフォース側ビード６０の車両前方の部分とステップ板部５４の車両後方の部分とは重複している。 As shown in FIGS. 3, 6, 8, and 10, a plurality of first reinforcement side beads 60 are provided at an intermediate portion in the vehicle width direction of the latch reinforcement 48 at intervals in the vehicle width direction. In the embodiment, two are provided.
The first reinforcement-side bead 60 has an upwardly convex shape, and passes from the vehicle rear part of the reinforcement main body plate portion 50 through the reinforcement-side forward bending portion 5602, the reinforcement inclined plate portion 56, and the reinforcement-side rear bending portion 5604. It extends along the vehicle front-rear direction to the rear end of the reinforcement rear plate portion 58 .
9 and 10, the first reinforcement side bead 60 and the step plate portion 54 overlap on the reinforcement body plate portion 50 when viewed from the vehicle width direction. Specifically, when viewed from the vehicle width direction, the vehicle front portion of the first reinforcement side bead 60 and the vehicle rear portion of the step plate portion 54 overlap on the reinforcement body plate portion 50 .
　図３、図４、図１０に示すように、第２リンフォース側ビード６２は、リンフォース後板部５８に、上方に凸状で車両前後方向に延在しており、車幅方向に間隔をおいて複数設けられ、本実施の形態では、３つ設けられている。
　また、図３、図６、図１０に示すように、第２リンフォース側ビード６２は、リンフォース後板部５８に形成された２つの第１リンフォース側ビード６０の延在部分６０Ａを含む。第２リンフォース側ビード６２は、合計５つ設けられている。
　そして、図３、図８、図１０に示すように、インナパネル側ビード４４と、第２リンフォース側ビード６２を除くリンフォース後板部５８の箇所と、が溶接により接合されている。 As shown in FIGS. 3, 4, and 10, the second reinforcement side bead 62 is formed on the rear reinforcement plate portion 58 so as to project upward and extend in the vehicle front-rear direction, and is spaced apart in the vehicle width direction. are provided, and three are provided in the present embodiment.
3, 6, and 10, the second reinforcement side bead 62 includes extension portions 60A of the two first reinforcement side beads 60 formed on the reinforcement rear plate portion 58. . A total of five second reinforcement-side beads 62 are provided.
3, 8, and 10, the inner panel side bead 44 and the portion of the reinforcement rear plate portion 58 excluding the second reinforcement side bead 62 are joined by welding.
　したがって、図５、図９に示すように、ラッチリンフォース４８のリンフォース側前曲げ部５６０２がインナパネル２０のインナパネル側前曲げ部３８０２に対して車両後方に離間した箇所に位置し、車幅方向から見た場合に、インナパネル２０のシール面部３８とラッチリンフォース４８のリンフォース傾斜板部５６との間に上下方向に対して斜めで細長の閉塞断面構造が形成されている。 Therefore, as shown in FIGS. 5 and 9, the reinforcement-side forward bent portion 5602 of the latch reinforcement 48 is positioned at a location spaced rearward of the vehicle from the inner-panel-side forward bent portion 3802 of the inner panel 20. When viewed from the width direction, an elongated closed cross-sectional structure oblique to the vertical direction is formed between the sealing surface portion 38 of the inner panel 20 and the reinforcement inclined plate portion 56 of the latch reinforcement 48 .
　次に作用効果について説明する。
　従来、インナパネル２０のシール面部３８の後端に接続される接続面部４０の車両前後方向の寸法は極めて短く、ラッチリンフォース４８の車両後端は、インナパネル２０のシール面部３８までしか延在していない。
　ここで、車両１０のモデルチェンジに伴うテールゲート１６の仕様変更により、インナパネル２０の接続面部４０の車両前後方向の寸法が従来に比較して長く設定された場合、インナパネル２０の強度、剛性が低下して変形しやすくなり、また、テールゲート１６の重量が増加する。
　テールゲート１６の重量が増加すると、車両１０の縁石乗り上げ時に生じるテールゲート開閉方向の慣性力が大きくなり、ラッチ機構２８を介してインナパネル２０およびラッチリンフォース４８に加わる荷重、すなわち、インナパネル２０およびラッチリンフォース４８を変形させる方向に入力する荷重も増加する。縁石乗り上げ時に入力する荷重は、テールゲート１６の開閉時にインナパネル２０およびラッチリンフォース４８に入力する荷重に比較して極めて大きい。
　このような荷重入力の増加に対応してインナパネル２０およびラッチリンフォース４８の強度、剛性を確保するためには、ラッチ機構２８が取り付けられたインナパネル２０の箇所の近傍にラッチリンフォース４８とは別の補強部材を設けて、インナパネル２０およびラッチリンフォース４８の変形を抑制することが考えられるが、部品点数の増加を招く不利がある。 Next, functions and effects will be described.
Conventionally, the dimension of the connecting surface portion 40 connected to the rear end of the sealing surface portion 38 of the inner panel 20 in the vehicle front-rear direction is extremely short, and the vehicle rear end of the latch reinforcement 48 extends only up to the sealing surface portion 38 of the inner panel 20. not.
Here, when the dimension of the connecting surface portion 40 of the inner panel 20 in the front-rear direction of the vehicle is set longer than before due to a specification change of the tailgate 16 due to a model change of the vehicle 10, the strength and rigidity of the inner panel 20 are increased. is reduced, the tailgate 16 is easily deformed, and the weight of the tailgate 16 is increased.
When the weight of the tailgate 16 increases, the inertial force in the tailgate opening/closing direction that occurs when the vehicle 10 runs over the curb increases, and the load applied to the inner panel 20 and the latch reinforcement 48 via the latch mechanism 28, that is, the inner panel 20 And the load input in the direction of deforming the latch reinforcement 48 also increases. The load that is input when the vehicle runs over a curb is much larger than the load that is input to the inner panel 20 and the latch reinforcement 48 when the tailgate 16 is opened and closed.
In order to ensure the strength and rigidity of the inner panel 20 and the latch reinforcement 48 in response to such an increase in load input, the latch reinforcement 48 and the latch reinforcement 48 are placed near the portion of the inner panel 20 to which the latch mechanism 28 is attached. Although it is conceivable to provide another reinforcing member to suppress the deformation of the inner panel 20 and the latch reinforcement 48, there is a disadvantage of increasing the number of parts.
　そこで、本実施の形態では、ラッチリンフォース４８に、ベース面部３６に上方から結合されるリンフォース本体板部５０と、リンフォース本体板部５０の車両後端から車両後方に至るにつれて次第に下方に変位しシール面部３８の車両後方でシール面部３８に対向するリンフォース傾斜板部５６と、リンフォース傾斜板部５６の車両後端に接続され接続面部４０に上方から接合されるリンフォース後板部５８と、を設け、車幅方向から見て、インナパネル２０のシール面部３８とラッチリンフォース４８のリンフォース傾斜板部５６との間に閉塞断面構造を形成した。
　そのため、ラッチ機構２８が取り付けられる箇所のインナパネル２０およびラッチリンフォース４８の強度、剛性を高める上で有利となる。
　また、ラッチリンフォース４８のリンフォース側前曲げ部５６０２とインナパネル２０のインナパネル側前曲げ部３８０２とが車両前後方向において同じ位置にある場合は、それら曲げ部５６０２、３８０２の箇所でラッチリンフォース４８およびインナパネル２０が変形しやすい。
　これに対して本実施の形態では、ラッチリンフォース４８のリンフォース側前曲げ部５６０２がインナパネル２０のインナパネル側前曲げ部３８０２に対して車両後方に離間した箇所に位置し、車幅方向から見た場合に、インナパネル２０のシール面部３８とラッチリンフォース４８のリンフォース傾斜板部５６との間に閉塞断面構造が形成される。
　そのため、それら２つの曲げ部５６０２、３８０２が同じ位置にありそれらシール面部３８とリンフォース傾斜板部５６とが重ねられる場合に比較して変形しにくく、インナパネル２０およびラッチリンフォース４８の強度、剛性を高め、荷重入力に対するインナパネル２０およびラッチリンフォース４８の変形を抑制する上で有利となる。
　したがって、インナパネル２０の接続面部４０の車両前後方向に沿った寸法が長く設定されることで、インナパネル２０の強度、剛性が低下し、テールゲート１６の重量が増加している場合であっても、部品点数の増加を招くことなく、縁石乗り上げ時における荷重入力に対するインナパネル２０およびラッチリンフォース４８の強度、剛性の向上を図る上で有利となる。 Therefore, in the present embodiment, the latch reinforcement 48 is provided with a reinforcement body plate portion 50 that is coupled to the base surface portion 36 from above, and the reinforcement body plate portion 50 gradually extends downward from the rear end of the vehicle toward the rear of the vehicle. A reinforcement inclined plate portion 56 that is displaced and faces the seal surface portion 38 behind the vehicle, and a reinforcement rear plate portion that is connected to the vehicle rear end of the reinforcement inclined plate portion 56 and joined to the connection surface portion 40 from above. 58 are provided, and a closed cross-sectional structure is formed between the seal surface portion 38 of the inner panel 20 and the reinforcement inclined plate portion 56 of the latch reinforcement 48 when viewed from the vehicle width direction.
Therefore, it is advantageous in increasing the strength and rigidity of the inner panel 20 and the latch reinforcement 48 where the latch mechanism 28 is attached.
Further, when the reinforcement-side front bent portion 5602 of the latch reinforcement 48 and the inner-panel-side front bent portion 3802 of the inner panel 20 are at the same position in the longitudinal direction of the vehicle, the latch ring is bent at the bent portions 5602 and 3802 . Force 48 and inner panel 20 are easily deformed.
On the other hand, in the present embodiment, the reinforcement-side forward bending portion 5602 of the latch reinforcement 48 is positioned at a location spaced rearward of the vehicle from the inner-panel-side forward bending portion 3802 of the inner panel 20, and is positioned in the vehicle width direction. A closed cross-sectional structure is formed between the sealing surface portion 38 of the inner panel 20 and the reinforcement inclined plate portion 56 of the latch reinforcement 48 when viewed from the top.
Therefore, compared with the case where the two bent portions 5602 and 3802 are at the same position and the sealing surface portion 38 and the reinforcement inclined plate portion 56 are overlapped, deformation is less likely, and the strength of the inner panel 20 and the latch reinforcement 48 is increased. It is advantageous in increasing rigidity and suppressing deformation of the inner panel 20 and the latch reinforcement 48 due to load input.
Therefore, even if the dimension of the connection surface portion 40 of the inner panel 20 along the longitudinal direction of the vehicle is set long, the strength and rigidity of the inner panel 20 are reduced and the weight of the tailgate 16 is increased. This is also advantageous in improving the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against load input when running over a curb without increasing the number of parts.
　また、本実施の形態では、リンフォース本体板部５０とリンフォース傾斜板部５６にわたって上方に向かって凸状で車両前後方向に沿って延在する第１リンフォース側ビード６０が車幅方向に間隔をおいて複数設けられている。
　したがって、第１リンフォース側ビード６０によりインナパネル２０およびラッチリンフォース４８の強度、剛性を高める上でより有利となり、縁石乗り上げ時における荷重入力に対するインナパネル２０およびラッチリンフォース４８の強度、剛性の向上を図る上でより有利となる。 Further, in the present embodiment, the first reinforcement side bead 60 extending along the vehicle front-rear direction in a convex shape extending upward across the reinforcement body plate portion 50 and the reinforcement inclined plate portion 56 extends in the vehicle width direction. A plurality of them are provided at intervals.
Therefore, the first reinforcement side bead 60 is more advantageous in increasing the strength and rigidity of the inner panel 20 and the latch reinforcement 48, and the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against the load input when running over the curb. It is more advantageous for improvement.
　また、本実施の形態では、リンフォース本体板部５０の車幅方向両側にステップ板部５４を設け、車幅方向から見て、第１リンフォース側ビード６０とステップ板部５４とをリンフォース本体板部５０上において重複させている。詳細には第１リンフォース側ビード６０の車両前方の部分とステップ板部５４の車両後方の部分とをリンフォース本体板部５０上において重複させており、ラッチリンフォース４８の前端から後端まで途切れることなく剛性が確保されている。
　したがって、インナパネル２０およびラッチリンフォース４８の強度、剛性を高め、縁石乗り上げ時における荷重入力に対するインナパネル２０およびラッチリンフォース４８の強度、剛性の向上を図る上でより有利となる。 Further, in the present embodiment, the step plate portions 54 are provided on both sides of the reinforcement main body plate portion 50 in the vehicle width direction, and the first reinforcement side beads 60 and the step plate portions 54 are separated from each other when viewed from the vehicle width direction. They are overlapped on the body plate portion 50 . Specifically, the vehicle front portion of the first reinforcement side bead 60 and the vehicle rear portion of the step plate portion 54 are overlapped on the reinforcement main body plate portion 50, and from the front end to the rear end of the latch reinforcement 48. Rigidity is ensured without interruption.
Therefore, the strength and rigidity of the inner panel 20 and the latch reinforcement 48 are increased, which is more advantageous in improving the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against the load input when running over the curb.
　また、本実施の形態では、第１リンフォース側ビード６０は、リンフォース傾斜板部５６を通りリンフォース後板部５８の車両後端まで延在している。
　したがって、第１リンフォース側ビード６０により、インナパネル２０およびラッチリンフォース４８の強度、剛性を高め、縁石乗り上げ時における荷重入力に対するインナパネル２０およびラッチリンフォース４８の強度、剛性の向上を図る上でより有利となる。 Further, in the present embodiment, the first reinforcement side bead 60 extends to the vehicle rear end of the reinforcement rear plate portion 58 through the reinforcement inclined plate portion 56 .
Therefore, the strength and rigidity of the inner panel 20 and the latch reinforcement 48 are increased by the first reinforcement side bead 60, and the strength and rigidity of the inner panel 20 and the latch reinforcement 48 against the load input when running over the curb are improved. is more advantageous.
　また、一般的にラッチリンフォース４８の板厚は、ラッチリンフォース４８が重ね合わされて接合されるインナパネル２０の箇所の板厚に比較して大きな寸法で形成されており、ラッチリンフォース４８の剛性とインナパネル２０の剛性との間で剛性差が生じる。
　このような剛性差が大きくなるほど、テールゲート１６の開閉時にラッチ機構２８を介して入力する荷重に対するラッチリンフォース４８とインナパネル２０との溶接箇所の耐久強度の低下が懸念される。
　これに対して本実施の形態では、リンフォース後板部５８が重ね合わされるインナパネル２０の箇所（接続面部４０）に、上方に凸状で車両前後方向に延在するインナパネル側ビード４４が車幅方向に間隔をおいて複数設けられているので、リンフォース後板部５８と、このリンフォース後板部５８が重ね合わされて溶接されるインナパネル２０の箇所の剛性差を低減させ、ラッチリンフォース４８とインナパネル２０との溶接箇所の耐久強度を高める上で有利となる。
　また、溶接箇所の剛性を高め、テールゲート１６の開閉時の荷重入力に対する溶接箇所の耐久強度を高める上で有利となることは無論のこと、縁石乗り上げ時の荷重入力に対するインナパネル２０の変形を抑制する上でも有利となる。 In general, the thickness of the latch reinforcement 48 is larger than the thickness of the portion of the inner panel 20 where the latch reinforcement 48 is superimposed and joined. A rigidity difference occurs between the rigidity and the rigidity of the inner panel 20 .
As such a difference in rigidity increases, there is concern that the durability of the welded portion between the latch reinforcement 48 and the inner panel 20 against the load input through the latch mechanism 28 when the tailgate 16 is opened and closed may decrease.
In contrast, in the present embodiment, an inner panel side bead 44 that protrudes upward and extends in the vehicle front-rear direction is formed at a portion (connection surface portion 40) of the inner panel 20 where the reinforcement rear plate portion 58 is superimposed. Since a plurality of reinforcement plates are provided at intervals in the vehicle width direction, the rigidity difference between the reinforcement rear plate portion 58 and the portion of the inner panel 20 where the reinforcement rear plate portion 58 is overlapped and welded is reduced, and the latch is provided. This is advantageous in increasing the durability strength of the welded portion between the reinforcement 48 and the inner panel 20 .
In addition, it is of course advantageous in increasing the rigidity of the welded portion and increasing the durability strength of the welded portion against the load input when the tailgate 16 is opened and closed. It is also advantageous in terms of suppression.
　本出願は、２０２１年３月２３日出願の日本特許出願２０２１－０４８２７５に基づくものであり、その内容はここに参照として取り込まれる。 This application is based on Japanese Patent Application 2021-048275 filed on March 23, 2021, the contents of which are incorporated herein by reference.
１０　車両
１２　荷室
１４　後部開口部
１６　テールゲート
１８　車体パネル
１８Ａ　車体側下縁部
２０　インナパネル
２２　アウタパネル
２６　ストライカ
２８　ラッチ機構
３４　インナパネル本体部
３６　ベース面部
３８　シール面部
３８０２　インナパネル側前曲げ部
４０　接続面部
４２　ヘム面部
４４　インナパネル側ビード
４６　ラッチ取り付け部
４８　ラッチリンフォース
５０　リンフォース本体板部
５２　リンフォース前板部
５４　ステップ板部
５６　リンフォース傾斜板部
５６０２　リンフォース側前曲げ部
５８　リンフォース後板部
６０　第１リンフォース側ビード
６０Ａ　延在部分
６２　第２リンフォース側ビード 10 Vehicle 12 Luggage compartment 14 Rear opening 16 Tailgate 18 Body panel 18A Body-side lower edge 20 Inner panel 22 Outer panel 26 Striker 28 Latch mechanism 34 Inner panel main body 36 Base surface 38 Seal surface 3802 Inner panel-side front bent portion 40 Connection surface portion 42 Hem surface portion 44 Inner panel side bead 46 Latch mounting portion 48 Latch reinforcement 50 Reinforce body plate portion 52 Reinforce front plate portion 54 Step plate portion 56 Reinforce inclined plate portion 5602 Reinforce side forward bending portion 58 Reinforce Rear plate portion 60 First reinforcement side bead 60A Extension portion 62 Second reinforcement side bead

Claims (7)

  1. 　車両後部の車体パネルに設けられた開口部と、
    　前記開口部の下縁を形成しストライカが設けられた前記車体パネルの下縁部と、
    　インナパネルを含んで構成され前記開口部を開閉する跳ね上げ式のテールゲートと、
    　前記インナパネルに取り付けられ前記ストライカに係合されるラッチ機構と、
    　前記ラッチ機構が設けられる前記インナパネルの箇所を補強するラッチリンフォースと、
    を備える車両のテールゲート構造であって、
    　前記テールゲートにより前記開口部を閉塞した状態で前記車体パネルの下縁部に近接する前記インナパネルの箇所は、前記ラッチ機構が取り付けられるベース面部と、前記ベース面部の車両後端から車両後方に至るにつれて次第に下方に変位するシール面部と、前記シール面部の車両後端から車両後方に延在する接続面部と、を備え、
    　前記ラッチリンフォースは、前記ベース面部に上方から結合されるリンフォース本体板部と、前記リンフォース本体板部の車両後端から車両後方に至るにつれて次第に下方に変位し前記シール面部の車両後方で前記シール面部に対向するリンフォース傾斜板部と、前記リンフォース傾斜板部の車両後端に接続され前記接続面部に上方から接合されるリンフォース後板部と、を備え、
    　車幅方向から見て、前記インナパネルの前記シール面部と前記ラッチリンフォースの前記リンフォース傾斜板部との間に閉塞断面構造が形成されている、
    　ことを特徴とする車両のテールゲート構造。     an opening in a body panel at the rear of the vehicle;
    a lower edge of the vehicle body panel forming the lower edge of the opening and provided with a striker;
    a flip-up tailgate that includes an inner panel and opens and closes the opening;
    a latch mechanism attached to the inner panel and engaged with the striker;
    a latch reinforcement that reinforces a portion of the inner panel where the latch mechanism is provided;
    A tailgate structure for a vehicle comprising
    The portion of the inner panel that is close to the lower edge of the vehicle body panel with the opening closed by the tailgate includes a base surface portion to which the latch mechanism is attached, and a base surface portion extending from the vehicle rear end of the base surface portion to the rear of the vehicle. A seal surface portion that gradually displaces downward as it reaches, and a connection surface portion that extends from the vehicle rear end of the seal surface portion to the vehicle rear,
    The latch reinforcement includes a reinforcement body plate portion that is coupled to the base surface portion from above, and a reinforcement body plate portion that is gradually displaced downward from the vehicle rear end of the reinforcement body plate portion toward the vehicle rear, and is displaced at the vehicle rear of the seal surface portion. a reinforcement inclined plate portion facing the sealing surface portion; and a reinforcement rear plate portion connected to a vehicle rear end of the reinforcement inclined plate portion and joined to the connection surface portion from above,
    A closed cross-sectional structure is formed between the seal surface portion of the inner panel and the reinforcement inclined plate portion of the latch reinforcement when viewed from the vehicle width direction,
    A vehicle tailgate structure characterized by:
  2. 　前記リンフォース本体板部と前記リンフォース傾斜板部にわたって上方に凸状で車両前後方向に沿って延在する第１リンフォース側ビードが車幅方向に間隔をおいて複数設けられている、
    　ことを特徴とする請求項１記載の車両のテールゲート構造。     A plurality of first reinforcement side beads projecting upward over the reinforcement body plate portion and the reinforcement inclined plate portion and extending along the vehicle front-rear direction are provided at intervals in the vehicle width direction,
    The vehicle tailgate structure according to claim 1, characterized in that:
  3. 　前記リンフォース本体板部の車幅方向の両側から上方に起立し車幅方向外側に延在するステップ板部が形成され、
    　車幅方向から見ると、前記リンフォース本体板部上において前記第１リンフォース側ビードと前記ステップ板部とは重複している、
    　ことを特徴とする請求項２記載の車両のテールゲート構造。     step plate portions that stand up from both sides in the vehicle width direction of the reinforcement main body plate portion and extend outward in the vehicle width direction are formed;
    When viewed from the vehicle width direction, the first reinforcement side bead and the step plate portion overlap on the reinforcement body plate portion.
    The vehicle tailgate structure according to claim 2, characterized in that:
  4. 　前記第１リンフォース側ビードは、前記リンフォース傾斜板部から前記リンフォース後板部の車両後端まで延在している、
    　ことを特徴とする請求項２または３記載の車両のテールゲート構造。     The first reinforcement side bead extends from the reinforcement inclined plate portion to the vehicle rear end of the reinforcement rear plate portion,
    The vehicle tailgate structure according to claim 2 or 3, characterized in that:
  5. 　前記リンフォース後板部が接合される前記接続面部の箇所に上方に凸状で車両前後方向に延在するインナパネル側ビードが車幅方向に間隔をおいて複数設けられている、
    　ことを特徴とする請求項１から４の何れか１項記載の車両のテールゲート構造。     A plurality of inner panel side beads projecting upward and extending in the vehicle front-rear direction are provided at intervals in the vehicle width direction at a location of the connection surface portion to which the reinforcement rear plate portion is joined,
    The vehicle tailgate structure according to any one of claims 1 to 4, characterized in that:
  6. 　前記リンフォース後板部に、上方に凸状で車両前後方向に延在する第２リンフォース側ビードが車幅方向に間隔をおいて複数設けられ、
    　前記インナパネル側ビードの箇所と、前記第２リンフォース側ビードを除くリンフォース後板部の箇所とが溶接により接合されている、
    　ことを特徴とする請求項５記載の車両のテールゲート構造。     The reinforcement rear plate portion is provided with a plurality of second reinforcement-side beads projecting upward and extending in the vehicle front-rear direction at intervals in the vehicle width direction,
    The portion of the inner panel side bead and the portion of the reinforcement rear plate portion excluding the second reinforcement side bead are joined by welding,
    The vehicle tailgate structure according to claim 5, characterized in that:
  7. 　前記第２リンフォース側ビードは、前記リンフォース後板部に形成された前記第１リンフォース側ビードの延在部分を含む、
    　ことを特徴とする請求項４を引用する請求項６記載の車両のテールゲート構造。     The second reinforcement side bead includes an extension portion of the first reinforcement side bead formed in the reinforcement rear plate portion,
    The vehicle tailgate structure according to claim 6 citing claim 4, characterized in that:
PCT/JP2022/013156 2021-03-23 2022-03-22 Tailgate structure for vehicles WO2022202810A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0960372A (en) * 1995-08-25 1997-03-04 Nissan Motor Co Ltd Door lock mounting structure of back door
JP2009166540A (en) * 2008-01-11 2009-07-30 Suzuki Motor Corp Back door reinforcing structure
JP2010143536A (en) * 2008-12-22 2010-07-01 Daihatsu Motor Co Ltd Reinforcement structure of vehicular back door
JP2010163023A (en) * 2009-01-15 2010-07-29 Mitsubishi Motors Corp Vehicular opening/closing body structure
JP2015030391A (en) * 2013-08-02 2015-02-16 マツダ株式会社 Rear vehicle body structure
JP2017128296A (en) * 2016-01-22 2017-07-27 スズキ株式会社 Vehicle back door
JP2020050312A (en) * 2018-09-28 2020-04-02 マツダ株式会社 Vehicle back door structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0960372A (en) * 1995-08-25 1997-03-04 Nissan Motor Co Ltd Door lock mounting structure of back door
JP2009166540A (en) * 2008-01-11 2009-07-30 Suzuki Motor Corp Back door reinforcing structure
JP2010143536A (en) * 2008-12-22 2010-07-01 Daihatsu Motor Co Ltd Reinforcement structure of vehicular back door
JP2010163023A (en) * 2009-01-15 2010-07-29 Mitsubishi Motors Corp Vehicular opening/closing body structure
JP2015030391A (en) * 2013-08-02 2015-02-16 マツダ株式会社 Rear vehicle body structure
JP2017128296A (en) * 2016-01-22 2017-07-27 スズキ株式会社 Vehicle back door
JP2020050312A (en) * 2018-09-28 2020-04-02 マツダ株式会社 Vehicle back door structure

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