JP2011121479A - Fittings-accuracy adjusting method of back door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple fittings-accuracy adjusting method of a resin back door. <P>SOLUTION: This fittings-accuracy adjusting method of the back door in a back door installing structure 1 is provided for installing the back door in a vehicle rear part, by allowing the movable part 32 of a retainer 30 to sandwich a hinge installing part 11 together with a hinge reinforcement 20, by fixing the fixed part 31 of the retainer 30 to the hinge reinforcement 20, and comprises a first process of loosening fastening of a bolt inserted into first bolt holes 12, 22 and 32D of the back door installing structure, a second process of moving the back door, and a third process of fastening the bolt inserted into the first bolt holes 12, 22 and 32D after adjusting the position of the back door. When moving the back door by the second process, a connecting part 33 is deformed so that the position of the movable part 32 to the fixed part 31 is changed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a mounting structure of a back door attached to a rear portion of a vehicle by a hinge, and more particularly to a method for adjusting the installation of the back door after mounting a vehicle body.

  Patent Document 1 discloses a method of assembling a resin back door that does not damage the resin back door when the back door is assembled to a vehicle. In this assembly method, a positioning jig is used, and the positional relationship between the vehicle body and the back door is adjusted by the positioning jig, and the resin back door is assembled to the vehicle body (see paragraph [1] of Patent Document 1). 0027]).

JP 2003-95158 A

  In the assembly method of Patent Document 1, “the positioning jig mounted on the vehicle body or the resin back door is used to position the vehicle body and the resin back door while adjusting the positional relationship between them” (Patent Document 1). Therefore, it is necessary to adjust the positioning jig every time it works, that is, the work is complicated. In addition, the use of the positioning jig is excessive in equipment, and the same positioning jig is used on the same line, so that there may be restrictions on the vehicle that is the target of the assembly method of Patent Document 1. Therefore, the assembly method of Patent Document 1 can be applied only to the assembly of the back door to a limited vehicle.

  The present invention has been created in view of the above points, and an object thereof is to provide a simple method for adjusting the resin back door.

  In order to achieve the above object, the first configuration of the present invention includes a hinge reinforcement fixed to the back side of the hinge mounting portion of the back door inner panel, a retainer overlaid on the hinge reinforcement, and an opening at the rear of the vehicle. A hinge mounted on the front side of the hinge mounting portion of the back door inner panel, and the hinge mounting portion, the hinge reinforcement, the retainer, and the hinge are formed with a first bolt hole, the hinge reinforcement and the retainer Has a second bolt hole, and the retainer includes a fixed portion, a movable portion, and a connecting portion that connects the fixed portion and the movable portion, and the first bolt hole is formed in the movable portion of the retainer. The second bolt hole is formed in the fixed part of the retainer, and the first bolt hole is inserted into the movable part of the retainer. The nut for screwing the fixed bolt is fixed, and the fixed part of the retainer is fixed to the hinge reinforcement by fastening the bolt passed through the second bolt hole of the fixed part of the retainer and the hinge reinforcement. However, this is a method for adjusting the installation of the back door in the back door mounting structure in which the hinge door is attached to the rear part of the vehicle by clamping the hinge mounting portion by fastening the bolt through the first bolt hole together with the hinge reinforcement and the hinge. The first step of loosening the fastening of the bolt passed through the first bolt hole of the back door mounting structure, the second step of moving the back door, and the fastening of the bolt passed through the first bolt hole after adjusting the position of the back door A third step to be performed, and the relative position of the movable portion to the fixed portion is changed by the movement of the back door in the second step. And wherein the deforming the Cormorant connection.

  In order to achieve the above object, the second configuration of the present invention includes a hinge reinforcement fixed to the back side of the hinge mounting portion of the back door inner panel, a retainer overlaid on the hinge reinforcement, and an opening at the rear of the vehicle. The hinge is mounted on the front side of the hinge mounting part of the back door inner panel, and the bolt hole is formed in the hinge mounting part, hinge reinforcement, retainer and hinge, and the bolt hole is inserted into the retainer A nut for screwing the bolt is fixed, and the retainer, together with the hinge reinforcement and the hinge, clamps the hinge mounting part by fastening the bolt through the bolt hole, and the back door is attached to the rear part of the vehicle A method for adjusting the installation of a back door in a mounting structure, comprising: A first step of loosening the fastening of the bolt passed through the bolt hole of the quad door mounting structure, a second step of moving the back door, and a third step of fastening the bolt passed through the first bolt hole after adjusting the position of the back door; , Provided.

  According to the present invention, the installation adjustment can be performed without using a jig for supporting the back door after the back door is assembled. Therefore, it is not necessary to invest in equipment such as a jig for supporting the back door.

It is a rear view of the inner panel in the back door attachment structure concerning a 1st embodiment of the present invention. It is an enlarged view of the periphery of the upper right part of the inner panel in the back door mounting structure according to the first embodiment of the present invention. FIG. 3 is a partially exploded view of FIG. 2. It is sectional drawing along the BB line of FIG. It is sectional drawing along CC line of FIG. It is an enlarged view of the right side periphery of the upper edge part of the inner panel in the back door attachment structure which concerns on 2nd Embodiment of this invention. FIG. 7 is a partially exploded view of FIG. 6. FIG. 7 is a cross-sectional view taken along line B′-B ′ in FIG. 6. FIG. 7 is a cross-sectional view taken along line C′-C ′ in FIG. 6.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the figure, Fr represents the front of the vehicle, LH represents the vehicle width direction and leftward, and Up represents the vehicle upper side.

  For each embodiment, a back door attachment structure in which a back door is attached to a vehicle body via a hinge will be described first, and then a method for adjusting the installation of the back door attached to the vehicle body will be described.

[Backdoor mounting structure according to the first embodiment]
FIG. 1 is a rear view of the inner panel 10 in the back door mounting structure 1 according to the first embodiment of the present invention, and shows the back surface of the inner panel. A back door is configured by attaching an outer panel (not shown) so as to cover the back side. The inner panel 10 and the outer panel are made of resin. In order to ensure the rigidity of such a resinous back door, for example, a steel plate or resin reinforcement (not shown) is disposed in a closed cross section formed by overlapping the inner panel 10 and the outer panel. Is done.
Such a back door is attached so that the opening can be freely opened and closed by hinges attached to the opening at the rear of the vehicle, particularly the left and right of the upper edge. In the inner panel 10 of FIG. 1, the region A1 and the region A2 are hinge attachment portions 11. These areas A1 and A2 are the right end of the upper edge 100 of the inner panel 10 disposed in the vehicle width direction along the upper edge of the opening 5 in the back door, that is, the opening 5 corresponding to the rear window glass. A region and a left end region.

  2 is an enlarged view of the vicinity of the upper right side of the inner panel 10 in the back door mounting structure 1 according to the first embodiment of the present invention, that is, the area around the area A1 of the inner panel 10 of FIG. 1, and FIG. FIG. As shown in these drawings, the hinge mounting portion 11 of the inner panel 10 is formed by flattening a part of the upper edge portion 100 of the inner panel 10. A hinge reinforcement 20 and a retainer 30 are disposed on the back surface of the hinge attachment portion 11. Further, as will be described later, a hinge 40 is disposed on the surface of the hinge mounting portion 11 of the inner panel 10 (see FIG. 5 described later).

  Two first bolt holes 12 are formed in the hinge mounting portion 11 of the inner panel 10 at a distance in the vehicle width direction. A collar 13 is inserted into the first bolt hole 12. The inner diameters of these collars 13 are r1.

  The hinge reinforcement 20 is a member that reinforces the attachment strength of the hinge 40 to the back door, and is formed, for example, by pressing a steel plate so as to cover the entire hinge attachment portion 11. Specifically, the hinge reinforcement 20 is bent so as to be applied to the back surface of the hinge mounting portion 11 of the inner panel 10. The hinge reinforcement 20 has a flat contact portion 21 that contacts the hinge mounting portion 11 of the inner panel 10. The contact portion 21 is formed with openings 22 (hereinafter also referred to as first bolt holes) corresponding to the two first bolt holes 12 of the hinge attachment portion 11. The radius of the first bolt hole 22 of the hinge reinforcement 20 is set to be the same as the inner diameter r1 of the collar 13 described above.

  The hinge reinforcement 20 has a second bolt hole 23 formed between the two first bolt holes 22, 22. The hinge reinforcement 20 is fixed to the back surface of the inner panel 10 so that the first bolt holes 22 are aligned with the positions of the two first bolt holes 12 of the hinge attachment portion 11. Specifically, two bosses 15 for hinge reinforcement attachment are provided on the back surface of the inner panel 10 (see FIG. 2), and screws passed through the attachment holes 25 (FIG. 3) of the hinge reinforcement 20 The hinge reinforcement 20 is fixed to the inner panel 10 by screwing 28 (see FIG. 5 described later) into the hole of the boss portion 15.

  The retainer 30 is a member for ensuring the surface rigidity of the hinge mounting portion 11 of the inner panel 10. The retainer 30 is overlapped with the contact portion 21 of the hinge reinforcement 20 on the back surface side of the hinge mounting portion 11 of the inner panel 10. As shown in FIG. 3, the retainer 30 according to the present embodiment is a member made of a steel plate that is long in the vehicle width direction, and connects the fixed portion 31, the movable portion 32, and the fixed portion 31 and the movable portion 32. And a connecting portion 33. The fixed portion 31, the movable portion 32, and the connecting portion 33 are integrally formed, for example, by pressing a single steel plate.

  The fixing portion 31 is a portion fixed to the hinge reinforcement 20 and is configured as a square plate piece in the present embodiment. The fixing portion 31 is formed with an opening 31A corresponding to the second bolt hole 23 of the hinge reinforcement 20 described above (hereinafter, this opening is also referred to as a second bolt hole).

  A movable part 32 is provided so as to surround the fixed part 31. Specifically, the movable portion 32 is configured as a rectangular plate piece that is long in the vehicle width direction, and the above-described fixed portion 31 is disposed in a mouth portion 32A formed in the center. The mouth portion 32A is formed in a square shape, and the connecting portion 33 extends from the center portion of the lower edge 32B extending in the vehicle width direction to the opposite edge 32C side. The tip of the portion 33 is connected to the central portion of the lower edge 31B of the fixed portion 31. For this reason, the mouth portion 32 </ b> A of the movable portion 32 is formed in a gate shape around the fixed portion 31. The width W1 of the connecting portion 33 is set shorter than the width W2 of the fixed portion 31.

  The movable portion 32 is formed with openings (hereinafter, these openings are also referred to as first bolt holes) 32 </ b> D corresponding to the first bolt holes 12 and 22 of the hinge attachment portion 11 and the hinge reinforcement 20. Furthermore, the movable part 32 of the retainer 30 of the present embodiment is provided with a nut, that is, a weld nut 34 at a position corresponding to the first bolt hole 32D. The radius r2 of the first bolt hole 32D of the movable portion 32 is set to be smaller than the radius r1 of the first bolt hole 22 of the hinge reinforcement 20 and the inner diameter r1 of the collar 13.

  The hinge reinforcement 20 and the retainer 30 are disposed in a closed cross section defined by overlapping the inner panel 10 and the outer panel constituting the resin back door.

  A hinge 40 is attached to the front side of the hinge attachment portion 11, that is, the surface facing the vehicle interior side. In FIG. 5 described later, the tip of a part (eg, an arm) that rotates around a shaft member (not shown) held by a hinge bracket (not shown) fixed to the vehicle body is shown. Reference numeral 40 is attached to the tip, which is referred to herein as a hinge for convenience. A bolt hole 41 is formed in the hinge 40.

  FIG. 4 is a cross-sectional view taken along line BB in FIG. The fixing portion 31 of the retainer 30 is overlapped with the position of the second bolt hole 31A and the second bolt hole 23 of the hinge reinforcement 20 and is passed through the second bolt holes 31A, 23. A nut 35B is screwed onto the screw. By this bolt fastening, the fixing portion 31 of the retainer 30 is fixed to the hinge reinforcement 20. In the present embodiment, the fixing portion 31 is spot-welded to the hinge reinforcement 20.

  FIG. 5 is a sectional view taken along the line CC of FIG. The movable portion 32 of the retainer 30 is overlaid on the hinge reinforcement 20 fixed to the inner panel 10. The retainer 30, the inner panel 10, the hinge reinforcement 20, and the first bolt holes 12, 22, 32D, 41 of the hinge 40 are aligned, and the bolt 37 inserted from the hinge side is screwed to the weld nut 34. . By this bolt fastening, the movable portion 32 strongly holds the hinge attachment portion 11 together with the hinge reinforcement 20 and the hinge 40, and the back door is attached to the vehicle body via the hinge 40. Note that the radius of the shaft of the bolt 37 is set not only to the first bolt hole 32D of the retainer 30 but also to the bolt holes 12 and 22 of the hinge reinforcement 20 and the hinge mounting portion 11 and the holes of the collar 13.

  In the present embodiment, the back door mounting structure 1 is provided not only in the area A1 but also in the area A2. In the present embodiment, the structure in the region A2 and the structure in the region A1 are formed symmetrically.

[Backdoor installation adjustment method]
A method of adjusting the mounting of the back door in the back door mounting structure 1 in which the back door is mounted on the vehicle body via the hinge 40 as described above will be described. The following adjustment procedure is performed for each back door mounting structure 1 at both the left and right ends of the upper edge portion 100.

  As a first step, the bolt 37 (see FIG. 5) passed through the first bolt holes 12, 22, 32D, 41 of the back door mounting structure 1 is loosened. At this time, the distance between the bolt head and the weld nut 34 of the retainer 30 is increased. However, the bolt 37 is not removed from the weld nut 34 of the retainer 30.

  As a second step, the back door is moved with reference to the bolt 37 passed through the first bolt holes 12, 22, 32 D, 41, and the position of the back door with respect to the hinge 40 is changed. At this time, the tip of the bolt 37 is screwed into a weld nut 34 fixed to the movable portion 32 of the retainer 30, and the hinge reinforcement 20 is fixed to the inner panel 10 constituting the back door. Since the fixed part 31 is fixed, when the back door is moved with respect to the bolt 37, the relative position of the movable part 32 with respect to the fixed part 31 changes. At this time, the positions of the bolts 37 in the first bolt holes 12 and 22 of the hinge reinforcement 20 and the hinge attachment portion 11 and the holes of the collar 13 are changed. Therefore, the connecting portion 33 that connects the fixed portion 31 and the movable portion 32 is deformed. In this way, the position of the back door with respect to the hinge portion 40 is adjusted by changing the connecting portion 33.

  As a third step, the bolt 37 passed through the first bolt holes 12, 22, 32D, 41 is tightened after the position of the back door is adjusted. That is, the bolt 37 is fastened to the weld nut 34 of the retainer 30, and the hinge attachment portion 11 of the inner panel 10 is strongly clamped by the hinge reinforcement 20, the movable portion 32 of the retainer 30, and the hinge 40. In this way, the building adjustment is performed.

  According to the backdoor installation adjustment method of the present embodiment, the retainer 30 is partly, that is, the position of the movable portion 32 with respect to the fixed portion 31 without using a jig for supporting the backdoor after the backdoor is assembled. You can adjust the installation just by changing. Therefore, it is not necessary to invest in equipment such as a jig for supporting the back door.

  Even if the positional accuracy of the back door with respect to the vehicle body varies, it is not necessary to correct the jig for adjusting the installation for each vehicle, so that the adjustment of the installation of the back door in each vehicle is easy.

  By making the shape of the retainer 30 versatile, it can be deployed to other vehicles. In addition, the assembly process efficiency can be reduced by reducing the positional accuracy requirement in manufacturing when assembling the back door assembly process, that is, the inner panel 10 and the outer panel, and the hinge reinforcement 20 and the retainer 30 between them. Can also contribute.

[Backdoor Mounting Structure According to Second Embodiment]
The same members as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. FIG. 6 is an enlarged view of a part corresponding to the right side periphery of the upper edge portion 100 of the inner panel 10A in the back door mounting structure 2 according to the second embodiment of the present invention, that is, the region A1 periphery of FIG. FIG. 7 is a partially exploded view of FIG. 6. As shown in these drawings, a hinge reinforcement 20A and a retainer 30A are disposed on the back surface of the hinge mounting portion 11 of the inner panel 10A. Further, a hinge 40 is disposed on the surface of the hinge mounting portion 11 of the inner panel 10A (see FIG. 8 described later).

  Four bolt holes 15A to 15D are formed at a distance in the vehicle width direction in the hinge mounting portion 11 of the inner panel 10A. Collars 16A to 16D are mounted in these bolt holes 15A to 15D. Of these four collars 16A to 16D, the inner diameters of the collars 16A and 16D at both ends in the vehicle width direction are set to r′1, and the inner diameters r′2 of the two inner collars 16B and 16C are larger than r′1. r′2 (> r′1) is set.

  In the hinge reinforcement 20 </ b> A, openings (hereinafter also referred to as bolt holes) 26 </ b> A to 26 </ b> D corresponding to the four bolt holes 15 </ b> A to 15 </ b> D of the hinge attachment portion 11 are formed in the contact portion 21. Of the four bolt holes 26A to 26D of the hinge reinforcement 20A, the radius of the bolt holes 26A, 26D at both ends in the vehicle width direction is set to r'1, and the radius r'2 of the two inner bolt holes 26B, 26C Is set to r′2 (> r′1) larger than r′1.

  The hinge reinforcement 20 </ b> A is fixed to the back surface of the inner panel 10 </ b> A so that the bolt holes 26 </ b> A to 26 </ b> D are aligned with the positions of the four bolt holes 15 </ b> A to 15 </ b> D of the hinge attachment site 11. Specifically, two boss portions 27 for hinge reinforcement attachment are provided on the back surface of the inner panel 10A, and a screw 28 (described later) is passed through the attachment hole 27 (see FIG. 7) of the hinge reinforcement 20A. 8) is screwed into a hole (not shown) of the boss portion 27, whereby the hinge reinforcement 20A is fixed to the inner panel 10A.

  The retainer 30A is overlapped with the contact portion 21 of the hinge reinforcement 20A on the back side of the hinge attachment portion 11 of the inner panel 10A. As shown in FIG. 3, the retainer 30 </ b> A according to the present embodiment is a member made of a rectangular steel plate that is long in the vehicle width direction.

  In the retainer 30A, openings (hereinafter, these openings are also referred to as bolt holes) 36A to 36D corresponding to the four bolt holes 26A to 26D and 15A to 15D described above are formed. Of these four bolt holes 36A to 36D, the radius r′3 of the bolt holes 36A and 36D at both ends in the vehicle width direction is set to be smaller than the radius r′1 of the bolt holes 26A and 26D of the hinge reinforcement 20A. The radius r′4 of the two inner bolt holes 36B and 36C is smaller than the radius r′2 of the bolt holes 26B and 26C of the hinge reinforcement 20A and larger than the radius r′3 of the bolt holes 36A and 36D at both ends. Is set.

  Further, in the retainer 30A of the present embodiment, nuts are fixed at positions corresponding to the respective bolt holes 36A to 36D, that is, weld nuts 38A to 38D are provided.

  The hinge reinforcement 20A and the retainer 30A are disposed in a closed cross section defined by overlapping an inner panel 10A and an outer panel constituting a resin-made back door.

  FIG. 8 is a sectional view taken along line B′-B ′ in FIG. 6. An intermediate portion of the retainer 30A, that is, the inner two bolt holes 36B and 36C regions are overlapped on the contact portion 21 of the hinge reinforcement 20A fixed to the inner panel 10A. The bolt holes of the retainer 30A, the inner panel 10A, the hinge reinforcement 20A and the hinge 40 are aligned, and the bolt 39A inserted from the hinge side is screwed to the weld nuts 38B and 38C. By tightening the bolt, the intermediate portion of the retainer 30 </ b> A strongly holds the hinge attachment portion 11 together with the hinge reinforcement 20 </ b> A and the hinge 40, so that the back door is attached to the vehicle body via the hinge 40. The radius of the bolt 39A is set to be smaller than the radius of the bolt holes 15B and 15C and the collars 16B and 16C of the hinge attachment portion 11 as well as the bolt holes 26B and 26C of the hinge reinforcement 20A.

  FIG. 9 is a cross-sectional view taken along line C'-C 'of FIG. The left and right end portions of the retainer 30 </ b> A are overlapped on the contact portion 21 of the hinge reinforcement 20 </ b> A fixed to the inner panel 20 </ b> A and are fixed to the hinge attachment site 11. Specifically, the bolt holes 15A, 15D, 26A, 26D, 38A, and 38D on the outside of the retainer 30A, the inner panel 10A, and the hinge reinforcement 20A are aligned, and the bolt 39B that is inserted from the front side of the hinge mounting portion 11 is welded nut 38A. , 38D. The radius of the bolt 39B is set to be smaller than the radius of the bolt holes 15A and 15D of the hinge attachment portion 11 and the holes of the collars 16A and 16D as well as the bolt holes 26A and 26D of the hinge reinforcement 20A. In the present embodiment, the back door mounting structure 2 described above is provided not only in the area A1 but also in the area A2. In the present embodiment, the structure in the region A2 and the structure in the region A1 are formed symmetrically.

[Backdoor installation adjustment method]
A method of adjusting the mounting of the back door in the back door mounting structure 2 in which the back door is mounted on the vehicle body via the hinge 40 as described above will be described. The following adjustment procedure is performed on each back door mounting structure 2 at both left and right end portions of the upper edge portion 100.

  As a first step, the fastening of the four bolts 39A, 39A, 39B, 39B passed through the four bolt holes of the back door mounting structure 2 is loosened. At this time, the distance between the bolt head and the weld nuts 38A to 38D of the retainer 30A at the time of bolt fastening is increased. However, the bolts 39A to 39D are not removed from the weld nuts 38A to 38D of the retainer 30A.

  As a second step, the back door is moved with reference to the bolts 39A and 39B passed through the bolt holes, and the position of the back door with respect to the hinge 40 is changed. At this time, the front ends of the bolts 39A and 39B are screwed into weld nuts 38A to 38D fixed to the retainer 30A, and the hinge reinforcement 20A is fixed to the inner panel 10A constituting the back door. When the back door is moved with respect to 39A and 39B, the position of the hinge reinforcement 20A with respect to the retainer 30A and the bolts 39A and 39B changes. At this time, the positions of the bolts 39A and 39B in the holes of the first bolt holes 15A to 15D and 26A to 26D and the collars 16A to 16D of the hinge reinforcement 20A and the hinge attachment portion 11 are changed.

  As a third step, the bolts 39A, 39A, 39B, 39B passed through the bolt holes after the position of the back door is adjusted are fastened. In this way, the building adjustment is performed.

  Similarly to the first embodiment, the backdoor installation adjustment method according to the present embodiment can also adjust the backdoor installation without using a jig that supports the backdoor after the backdoor is assembled. Note that the backdoor installation adjustment method according to the second embodiment does not require a force to deform the connecting portion 33 so that the position of the movable portion 32 with respect to the fixed portion 31 changes as in the first embodiment. The adjustment of the back door can be adjusted more easily than in the first embodiment.

  Although detailed above, the present invention can be implemented in various forms without departing from the spirit of the present invention.

  In the above description, the case where the outer panel of the back door is made of resin is exemplified, but the outer panel may be made of steel plate. Further, both the inner panel and the outer panel constituting the back door may be made of a steel plate.

  The retainer described above is an example. For example, the arrangement relationship between the fixed portion and the movable portion in the first embodiment is not limited to the configuration in which the fixed portion is provided in the mouth portion of the movable portion, and the fixed portion is provided outside the movable portion. It is good also as a structure which provided and connected the outer periphery of this fixed part, and the outer periphery of the movable part with the connection part.

DESCRIPTION OF SYMBOLS 1, 2 Back door attachment structure 5 Opening 10, 10A Inner panel 11 Hinge attachment part 100 Upper edge part 20, 20A Hinge reinforcement 21 Contact part 30, 30A Retainer 31 Retainer fixed part 32 Retainer movable part 33 Retainer connection Part 40 Hinge

Claims (2)

Hinge reinforcement fixed on the back side of the hinge mounting portion of the back door inner panel, a retainer stacked on the hinge reinforcement, and a hinge mounting portion of the back door inner panel mounted on the front side of the hinge mounting portion. And a hinge to be installed,
A first bolt hole is formed in the hinge mounting portion, the hinge reinforcement, the retainer, and the hinge,
A second bolt hole is formed in the hinge reinforcement and the retainer,
The retainer includes a fixed portion, a movable portion, and a connecting portion that connects the fixed portion and the movable portion,
A first bolt hole is formed in the movable part of the retainer;
A second bolt hole is formed in the fixed portion of the retainer;
A nut for screwing a bolt inserted through the first bolt hole is fixed to the movable part of the retainer,
The fixing part of the retainer is fixed to the hinge reinforcement by fastening of the bolt passed through the second bolt hole of the fixing part of the retainer and the hinge reinforcement,
The movable part, with the hinge reinforcement and the hinge, sandwiches the hinge attachment site by fastening the bolt passed through the first bolt hole,
A backdoor installation adjustment method in a backdoor attachment structure in which the backdoor is attached to the rear of the vehicle,
A first step of loosening the fastening of the bolt passed through the first bolt hole of the back door mounting structure;
A second step of moving the back door;
A third step of fastening a bolt passed through the first bolt hole after adjusting the position of the back door,
A backdoor installation adjustment method, wherein the connecting portion is deformed so that the relative position of the movable portion with respect to the fixed portion is changed by the movement of the back door in the second step. Hinge reinforcement fixed on the back side of the hinge mounting portion of the back door inner panel, a retainer stacked on the hinge reinforcement, and a hinge mounting portion of the back door inner panel mounted on the front side of the hinge mounting portion. A hinge to be installed,
Bolt holes are formed in the hinge mounting portion, the hinge reinforcement, the retainer, and the hinge,
The retainer is fixed with a nut for screwing a bolt inserted through the bolt hole,
The retainer, with the hinge reinforcement and the hinge, sandwiches the hinge attachment site by fastening a bolt passed through the bolt hole,
A backdoor installation adjustment method in a backdoor attachment structure in which the backdoor is attached to the rear of the vehicle,
A first step of loosening the fastening of the bolt passed through the bolt hole of the back door mounting structure;
A second step of moving the back door;
And a third step of fastening a bolt passed through the first bolt hole after adjusting the position of the back door.