JP5091816B2 - Vehicle door structure - Google Patents

Description

  The present invention relates to a vehicle door structure including a door that opens and closes an opening of a vehicle body, a lock mechanism provided on the door via a reinforcing member, and the door being held closed by the lock mechanism.

  The vehicle door structure includes an inner panel (hereinafter referred to as a “door panel”) that forms a wall portion of the door, a support portion is bent substantially laterally from the side wall of the door panel, and a reinforcing member is attached to the support portion. A lock mechanism is attached to the door panel via a member, and the door can be held closed by the lock mechanism.

The reinforcing member of the vehicle door structure is formed such that a reinforcing bead portion extends in the vertical direction in order to increase the rigidity of the reinforcing member.
The reinforcing bead portion is a convex portion bulged in a direction away from the door panel (see, for example, Patent Document 1).
JP 2006-56361 A

Growing the reinforcing bead portion in a direction away from the door panel forms a groove (concave portion) on the surface facing the door panel.
Therefore, by providing the reinforcing bead portion on the reinforcing member, a relatively small gap is formed between the reinforcing bead portion and the door panel.

Here, as for the bead part for reinforcement, the upper end part is formed to the near side of the edge of a reinforcing member (namely, it is not formed to the edge of a reinforcing member).
Therefore, the upper end of the gap between the reinforcing bead portion and the door panel is closed by the door panel and the reinforcing member.
For this reason, when electrodepositing a door, it may be difficult to smoothly guide the paint to the gap between the reinforcing bead portion and the door panel.

  An object of the present invention is to provide a vehicle door structure that can smoothly guide paint to a gap between a reinforcing bead portion and a door panel when electrodepositing a door.

  The invention according to claim 1 includes a door that opens and closes the opening of the vehicle body, the door wall portion is formed by a door panel, the support portion is bent from the side wall of the door panel, and the support portion is locked via a reinforcing member. A vehicle door structure in which a mechanism is provided and the door is closed by the lock mechanism, and the reinforcing member is provided in the support portion and the attachment portion to which the lock mechanism is attached; A bead portion for reinforcement is formed while being bent along the side wall from the mounting portion, and a joint portion joined to the side wall is interposed between the joint portion and the mounting portion to connect the two portions, A gap partition portion that is arranged in a non-contact state with respect to the door panel to form a first gap with the door panel, and swells in a direction to separate the reinforcing bead portion from the side wall. Let out Thus, a second space is formed between the reinforcing bead portion and the side wall, and one end portion of the second space communicates with the first space, and the other end portion of the second space is the reinforcing member. It is characterized by being opened outside.

Further, according to the first aspect of the present invention, the gap partitioning portion extends from the portion near the center in the extending direction of the substantially horizontal intersection line where the attachment portion and the joint portion intersect to the outer side of the reinforcing member. The upper fold line portion that extends along the gap and is formed at the boundary between the gap partitioning portion and the joint portion is inclined upward in the extending direction of the gap partitioning portion.

According to a second aspect of the present invention, at least a part of the gap partitioning portion is formed to be inclined and flat so as to have a downward slope from the joint portion toward the attachment portion. .

According to a third aspect of the present invention, the joint portion is directly connected to the attachment portion at a central portion in the extending direction of a substantially horizontal crossing line where the attachment portion and the joint portion intersect, and both sides of the center joint portion. A portion is connected to the mounting portion through the gap partitioning portion.

According to a fourth aspect of the present invention, a lower fold line portion is formed at a boundary between the gap partitioning portion and the attachment portion, and the lower fold line portion is formed along an outer shape of the lock mechanism.

In the invention which concerns on Claim 1, the space | gap partition part was provided in the reinforcement member and this part was interposed between the junction part and the attachment part, and both parts were connected.
The first gap was formed between the gap partition part and the door panel by arranging the gap partition part in a non-contact state with respect to the door panel.

On the other hand, the second gap was formed between the reinforcing bead part and the side wall by bulging the reinforcing bead part provided in the joint part in a direction away from the side wall.
Then, one end portion of the second gap was communicated with the first gap, and the other end portion of the second gap was opened to the outside of the reinforcing member.

Therefore, when electrodepositing the door, the paint can be guided from the other end of the second gap to the second gap, and the guided paint can be guided from the one end of the second gap to the first gap.
As a result, when electrodepositing the door, the paint can be smoothly guided to the second gap or the first gap, and the electrodeposition coating on the surface forming the first gap or the surface forming the second gap. Can be performed satisfactorily.
Electrodeposition coating refers to a coating method in which a current is applied to a door (vehicle body) immersed in a water-soluble paint, and a coating film is applied electrochemically to the door (vehicle body) by electrophoresis.

Here, a lock mechanism is attached to the attachment portion of the reinforcing member. This locking mechanism is a member that is engaged with the striker on the vehicle body side with the door closed.
Therefore, it is required to accurately position the lock mechanism with respect to the striker.
In order to accurately position the lock mechanism with respect to the striker, it is necessary to attach the lock mechanism to the support portion with high accuracy via the attachment portion.

In order to attach the lock mechanism to the support portion with high accuracy, it is necessary to accurately form the shape of the attachment portion that contacts the support portion and attach the attachment portion to the support portion with high accuracy.
However, the attachment portion that comes into contact with the support portion has a relatively large shape, and it has been said that it takes time and effort to accurately form the shape of the attachment portion.

In view of this, in the first aspect of the present invention, the area of the attachment portion that comes into contact with the support portion is suppressed to be small by interposing a gap partition portion between the joint portion and the attachment portion.
Thus, by suppressing the area of the attachment portion to be small, the shape of the attachment portion can be easily formed with high accuracy, and the cost can be reduced.

Furthermore, in the invention which concerns on Claim 1 , the space | gap partition part was extended from the site | part near the center part of the reinforcement member to the outer side part. And the upper folding line part formed in the boundary of a space | gap partition part and a junction part was made to incline in an upward slope toward the extension direction of a space | gap partition part.
Therefore, with the buoyancy acting on the air bubbles in the first gap, the air bubbles can be smoothly raised from the portion closer to the central portion to the outer portion along the upper folding line portion, and can be discharged well from the outer portion.
Thereby, electrodeposition coating can be satisfactorily performed on the surface on which the first gap is formed without being affected by bubbles.

In the invention according to claim 2 , at least a part of the gap partition portion is formed in an inclined shape so as to have a downward slope from the joint portion toward the attachment portion. Therefore, at least a part of the gap partition portion can be provided in an inclined manner between the side wall of the door panel and the support portion. In addition, at least a part of the gap partitioning portion was formed flat.

Thereby, the side wall and support part of a door panel can be supported by a space | gap partition part, and the rigidity of a door panel (side wall and support part) can be improved.
As described above, by forming at least a part of the gap partition portion flat, the flat portion of the gap partition portion can be used as a beam structure that supports the side wall and the support portion.

Furthermore, by using the flat part of the gap partitioning part as the beam structure of the side wall and the support part, for example, when the door is closed, the impact load generated in the support part can be supported by the flat part of the gap partitioning part. .
Thereby, it can prevent that a support part deform | transforms centering on the side wall and the bending part of a support part.

In the invention which concerns on Claim 3 , the center junction part of the junction part was directly connected to the attaching part. Therefore, the shape of the center joint portion and the attachment portion can be made to follow the shape of the side wall and the support portion of the door panel.
Thereby, in the vicinity of the side wall of the door panel and the bent portion of the support portion, the central joint portion and the attachment portion are brought into contact with the side wall and the support portion of the door panel, respectively, so that the reinforcing member can be accurately positioned with respect to the door panel. Can do.

In the invention which concerns on Claim 4 , the lower folding line part was formed in the boundary of a space | gap partition part and an attaching part, and this lower folding line part was made to follow the external shape of a lock mechanism.
Thereby, when the lock mechanism is assembled, the lock mechanism can be easily positioned by matching the outer shape of the lock mechanism with the lower folding line portion, so that the assembly workability can be improved.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. Note that “front”, “rear”, “left”, and “right” indicate the direction viewed from the driver, the front side is Fr, the rear side is Rr, the left side is L, and the right side is R.

FIG. 1 is a perspective view showing a vehicle door structure according to the present invention.
In the vehicle door structure 10, an opening 13 is formed in a rear portion 12 of a vehicle body 11, and an upper end portion 15 a of a tailgate (door) 15 is rotated on a top portion 13 a of the opening portion 13 via a hinge portion (not shown). It is supported freely.
The opening 13 of the vehicle body 11 is opened and closed by swinging (swinging) the tailgate 15 up and down around the hinge.

2 is a cross-sectional view taken along line 2-2 of FIG. 1, and FIG. 3 is a cross-sectional view showing a state where the lock mechanism is removed from the tailgate of FIG. FIG. 3 shows only the right mounting hole 32 for easy understanding of the configuration of the vehicle door structure 10.
The tailgate 15 includes an outer panel 16 disposed outside the vehicle body 11, an inner panel (door panel) 17 disposed inside the vehicle body 11, a reinforcing member 20 provided at a lower portion 18 of the inner panel 17, and a reinforcing member 20 and a locking mechanism 22 provided on the lower portion 18 of the inner panel 17.

  The outer panel 16 is a plate-like member that forms the outer wall portion of the tailgate 15, and is disposed facing the outside of the vehicle body 11.

The inner panel 17 is a plate-like member that forms the inner wall portion (wall portion) of the tailgate 15.
Specifically, the inner panel 17 is disposed inside the outer panel 16 so as to be opposed to the inside of the vehicle body 11 by being attached to the outer periphery of the outer panel 16.

The inner panel 17 includes a side wall 24 attached to the outer periphery of the outer panel 16, a support portion 25 bent from the lower portion 24a of the side wall 24 toward the outside of the vehicle body, and a lower end portion 25a of the support portion 25. And a lower bent portion 26 bent downward.
A lower portion 18 of the inner panel 17 is formed by the lower portion 24 a of the side wall 24, the support portion 25, and the lower bent portion 26.

The side wall 24 is disposed substantially vertically with the tailgate 15 closed.
The support portion 25 is a placement portion that is disposed in a substantially lateral direction (specifically, a downward slope from the front to the rear of the vehicle body) with the tailgate 15 closed.

4 is a perspective view showing a state in which a reinforcing member is attached to the inner panel according to the present invention, and FIG. 5 is an exploded perspective view showing a state in which the reinforcing member is removed from the inner panel according to the present invention.
The support portion 25 has a first lock receiving opening 31 formed in the center, and left and right mounting holes 32 formed on the left and right sides of the first lock receiving opening 31.

As shown in FIG. 2, the first lock accommodation opening 31 is an opening that can accommodate the latch mechanism main body 36 of the lock mechanism 22 (specifically, the lower portion 36 a of the latch mechanism main body 36).
The left and right attachment holes 32 are holes for bolting the lock mechanism 22 (see also FIG. 2) to the support portion 25.

As shown in FIG. 2, the lower bent portion 26 is bent along the outer panel 16, and the edge portion 26 a is attached to the outer periphery of the outer panel 16 by hemming.
The reinforcing member 20 is attached to the lower portion 24a of the side wall 24, the support portion 25, and the lower bent portion 26 (that is, the lower portion 18 of the inner panel 17).
A lock mechanism 22 (see also FIG. 2) is provided on the support portion 25 via the reinforcing member 20.

The lock mechanism 22 includes a base portion 35 provided on the attachment portion 45 of the reinforcing member 20 and a latch mechanism main body 36 (see FIG. 3) attached to the base portion 35.
In the base portion 35, left and right insertion holes 38 (only the left insertion hole 38 is shown in FIG. 3) are formed in the left and right side portions 35a and 35b, respectively, and a central side portion 35c extending in the vehicle body width method is formed in the front center. The left inclined side portion 35d is formed on the left side of the central side portion 35c, and the right inclined side portion 35e is formed on the right side of the central side portion 35c.
Left and right nuts 33 are formed coaxially with the left and right insertion holes 38 on the upper surface of the base portion 35.

The left inclined side portion 35d extends from the left end portion of the central side portion 35c toward the left side portion 35a of the base portion 35 so as to be inclined rearward of the vehicle body.
The right inclined side portion 35e extends from the right end portion of the central side portion 35c toward the right side portion 35b of the base portion 35 so as to be inclined rearward of the vehicle body.

The latch mechanism main body 36 includes a latch 39 that can be locked to the striker 41 shown in FIG.
As shown in FIG. 2, the tail gate 15 is held in a closed state by engaging the latch 39 with the striker 41 with the tail gate 15 closed.
The striker 41 is provided in the lower part 13b of the opening part 13 (refer FIG. 2, FIG. 3).

As described above, the reinforcing member 20 is a member provided on the lower portion 18 of the inner panel 17.
The reinforcing member 20 includes an attachment portion 45 provided on the support portion 25, and an upper joint portion (specifically, a “central front side portion” described later) 45a raised from a front side portion (specifically, “center front side portion” described later). (Joint part) 46, a lower joint part 47 bent downward from the rear side part 45b of the attachment part 45, and a left air gap partition part interposed between the left side part of the upper joint part 46 and the left side part of the attachment part 45 ( A gap partition portion) 48, and a right gap partition portion (void partition portion) 49 interposed between the right side portion of the upper joint portion 46 and the right side portion of the attachment portion 45.

The mounting portion 45 is disposed along the support portion 25 in a substantially horizontal direction (specifically, a substantially horizontal direction and a downward slope from the front to the rear of the vehicle body).
The mounting portion 45 is formed at the front center with a central front side portion 45a extending in the vehicle width method, a left front inclined side portion 45c formed on the left side of the central front side portion 45a, and a right side of the central front side portion 45a. A right front inclined side portion 45d, a left side portion 45e extending rearward from the outer end portion of the left front inclined side portion 45c, and a right side portion 45f extending rearward from the outer end portion of the right front inclined side portion 45d. The left and right side portions 45e and 45f are substantially hexagonal with the rear side portion 45b provided between the rear end portions.

The left front inclined side portion 45c extends from the left end portion of the central front side portion 45a toward the left side portion 45e so as to be inclined rearward of the vehicle body.
The right front inclined side portion 45d extends from the right end portion of the central front side portion 45a toward the right side portion 45f so as to be inclined rearward of the vehicle body.

Further, the attachment portion 45 has left and right through holes 51 formed in the left and right side portions 45e and 45f, respectively, and a second lock receiving opening 52 formed in the center.
The second lock accommodating opening 52 is an opening that can accommodate the lower portion 36 a (see FIG. 2) of the latch mechanism main body 36, and is disposed at a position overlapping the first lock accommodating opening 31 of the support portion 25.

The upper joint portion 46 is a projecting piece (folded piece) raised upward from the central front side portion 45 a of the attachment portion 45 along the side wall 24.
The upper joint portion 46 is provided at the center joint portion 53 provided at the center, left and right bead portions (bead portions) 56 and 57 provided on the left and right sides of the center joint portion 53, and the left side of the left bead portion 56. Left joint 58 and right joint 59 provided on the right side of right bead 57.

Specifically, the upper joint portion 46 has the center joint portion 53 at the center front side of the attachment portion 45 at the center portion 65a in the extending direction (vehicle width direction) of the intersection line 65 where the attachment portion 45 and the upper joint portion 46 intersect. It is directly connected (integrally formed) to the portion 45a.
Further, the upper joint portion 46 has left and right side portions (both side portions) 54 and 55 of the central joint portion 53 connected to the attachment portion 45 via left and right gap partition portions 48 and 49, and left and right side portions 54 and 55. The left and right bead portions 56 and 57 are formed respectively.
The left side portion 54 has a left joint 58 formed on the left side of the left bead portion 56.
Further, the right side portion 55 has a right joint portion 59 formed on the right side of the right bead portion 57.

6 is a perspective view showing a state where the lock mechanism is attached to the inner panel according to the present invention, FIG. 7 is a sectional view taken along line 7-7 in FIG. 4, and FIG. 8 is a sectional view taken along line 8-8 in FIG.
7 and 8 show a state in which the lock mechanism 22 is attached in order to facilitate understanding of the configuration.

The left and right bead portions 56 and 57 are formed on the left and right sides of the central joint portion (portion directly connected to the mounting portion) 53, and are reinforced to bulge in a direction away from the side wall 24 (that is, the rear of the vehicle body). It is a part for.
By forming the left and right bead portions 56 and 57 in the upper joint portion 46, the upper joint portion 46 is reinforced by the left and right bead portions 56 and 57.

Furthermore, by forming the left bead portion 56 in the upper joint portion 46, a left second gap (second gap) 62 is formed between the left bead portion 56 and the side wall 24 (see also FIG. 7).
Similarly, a right second gap (second gap) 63 is formed between the right bead portion 57 and the side wall 24 by forming the right bead portion 57 in the upper joint portion 46.
The left and right second gaps 62 and 63 are left and right symmetrical gaps.

As shown in FIG. 7, a lower end portion (one end portion) 62a of the left second gap 62 communicates with a left first gap 75 (described later).
Furthermore, the upper end portion (the other end portion) 62b of the left second gap 62 is opened to the outside of the reinforcing member 20 (that is, above the upper joint portion 46).
Therefore, the left second gap 62 communicates with the left first gap 75.
Thereby, when the tailgate 15 is electrodeposited, the left second gap 62 and the left first gap 75 can be ensured as a distribution channel of the paint.

Similar to the left second gap 62 and the left first gap 75, the right second gap 63 communicates with the right first gap 76 (described later).
As a result, when the tailgate 15 is electrodeposited, the right second gap 63 and the right first gap 76 can be ensured as a paint distribution path.

The center joint portion 53 is a portion that is provided between the left and right bead portions 56 and 57 and spot-welded in a state of being in contact with the side wall 24 as shown in FIG.
The left joint portion 58 is a portion that is provided on the left side of the left bead portion 56 and is spot-welded while being in contact with the side wall 24 as shown in FIG.

The right joint portion 59 is a portion that is symmetrical to the left joint portion 58.
The right joint portion 59 is a portion that is provided on the right side of the right bead portion 57 and spot-welded while being in contact with the side wall 24, similarly to the left joint portion 58.
The upper joint portion 46 is joined to the side wall 24 by joining the central joint portion 53 and the left and right joint portions 58 and 59 to the side wall 24 by spot welding.

Here, the left gap 58 is disposed at a high position with respect to the attachment 45 by interposing the left gap partition 48 between the left joint 58 and the attachment 45.
Similarly, by interposing the right gap partitioning portion 49 between the right joint portion 59 and the attachment portion 45, the right joint portion 59 is disposed at a high position with respect to the attachment portion 45.
Thereby, when joining the right and left joining parts 58 and 59 to the side wall 24 by spot welding, it is not necessary to consider interference with the attachment part 45 of the welding equipment, and the welding workability can be improved.

As shown in FIG. 4, the lower joint portion 47 is a portion that is bent downward along the lower bent portion 26 from the rear side portion 45 b of the attachment portion 45 and is joined to the lower bent portion 26 by spot welding. .
In this way, the lower joint portion 47 is joined to the lower bent portion 26 by spot welding, and the upper joint portion 46 is joined to the side wall 24 by spot welding, whereby the reinforcing member 20 is joined to the lower portion 18 of the inner panel 17. Is provided.

  As shown in FIG. 2, in the state where the reinforcing member 20 is provided on the lower portion 18 of the inner panel 17, the base portion 35 is provided on the mounting portion 45, and the lower portion 36a of the latch mechanism body 36 is provided with the first and second locks. Projecting downward from the housing openings 31, 52.

  Further, as shown in FIG. 4, the left mounting hole 32, the left through hole 51, and the left insertion hole 38 (see FIG. 3 for the left insertion hole 38) are arranged on the same axis. Bolts 71 are inserted into the respective left-hand holes 32, 51, and 38, and the inserted bolts 71 are screwed to the nut portion 33.

Similarly, the right mounting hole 32, the right through hole 51, and the right insertion hole 38 (see FIG. 3 for the right insertion hole 38) are arranged coaxially. Bolts 71 are inserted into the right holes 32, 51, and 38, and the inserted bolts 71 are screwed to the nut portion 33.
Thereby, the lock mechanism 22 shown in FIG. 2 is attached to the attachment portion via the reinforcing member 20 with the two bolts 71.

As shown in FIG. 2, the lock mechanism 22 is attached to the attachment portion 45 of the reinforcing member 20. The lock mechanism 22 is a member that is engaged with the striker 41 on the vehicle body 11 side with the tailgate 15 closed.
Therefore, it is required to accurately position the lock mechanism 22 with respect to the striker 41.
In order to accurately position the lock mechanism 22 with respect to the striker 41, it is necessary to attach the lock mechanism 22 to the support portion 25 via the attachment portion 45 with high accuracy.

In order to attach the lock mechanism 22 to the support portion 25 with high accuracy, it is necessary to accurately form the shape of the attachment portion 45 that contacts the support portion 25 and attach the attachment portion 45 to the support portion 25 with high accuracy.
However, the attachment portion 45 that comes into contact with the support portion 25 has a relatively large shape, and it has been said that it takes time to work to accurately form the shape of the attachment portion 45.

Therefore, as shown in FIG. 5, a left air gap partition 48 is interposed between the left side 54 of the upper joint 46 and the left front inclined side 45c of the attachment 45, and the right side 55 of the upper joint 46 and the attachment A right gap partition portion 49 is interposed between the right front inclined side portion 45 d of the portion 45.
Thereby, the area of the attachment part 45 which contacts the support part 25 is restrained small.
Thus, by suppressing the area of the attachment portion 45 to be small, the shape of the attachment portion 45 can be easily and accurately formed without taking time and effort.

Returning to FIGS. 4 to 6, a lower left fold line portion (lower fold line portion) 67 is formed at the boundary between the left air gap partition portion 48 and the attachment portion 45 (specifically, the left front inclined side portion 45 c).
A lower left folding line portion 67 is formed along the left inclined side portion (outer shape of the lock mechanism 22) 35d of the base portion 35.

Similarly, a lower right fold line portion (lower fold line portion) 68 is formed at the boundary between the right gap partition portion 49 and the attachment portion 45 (specifically, the right front inclined side portion 45d).
A lower right folding line portion 68 is formed along the right inclined side portion (outer shape of the lock mechanism 22) 35e of the base portion 35.

Thus, when the lock mechanism 22 is assembled, the left inclined side portion 35d of the base portion 35 is aligned with the lower left folding line portion 67 of the mounting portion 45, and the right inclined side portion 35e of the base portion 35 is aligned with the lower right folding line of the mounting portion 45. By aligning with the portion 68, the lock mechanism 22 can be easily positioned.
Thereby, the assembly workability | operativity at the time of assembling the lock mechanism 22 can be improved.

Further, as described above, the center joint portion 53 of the upper joint portion 46 is directly connected to the center front side portion 45 a of the attachment portion 45.
Therefore, the shapes of the central joint portion 53 and the central front side portion 45a can be made to follow the vicinity of the bent portion 17a at the boundary between the side wall 24 and the support portion 25 as shown in FIG.
Thereby, in the vicinity of the bent portion 17a, the central joint portion 53 is brought into contact with the side wall 24, and the central front side portion 45a is brought into contact with the support portion 25, whereby the reinforcing member 20 is attached to the lower portion 18 of the inner panel 17. Can be accurately positioned.

FIG. 9 is a perspective view showing the left gap partition portion of the reinforcing member according to the present invention.
The left air gap partitioning portion 48 is interposed between the left side portion 54 of the upper joint portion 46 and the left front inclined side portion 45c of the attachment portion 45, and is arranged at the rear of the vehicle body so as to connect the lower end portion of the left side portion 54 and the left front inclined side portion 45c. It is a flat part which inclines toward.

  Specifically, the left air gap partitioning portion 48 has a left side portion (outer portion) 45e from a portion 48a near the central portion 65a in the extending direction (vehicle width direction) of the intersection line 65 where the attachment portion 45 and the upper joint portion 46 intersect. The portion 48b extends toward the outside of the vehicle body.

  The left gap partitioning portion 48 is formed in a substantially triangular shape so that the width dimension W1 gradually increases in the extending direction (that is, from the portion 48a near the central portion 65a to the portion 48b on the left side 45e). And is formed flat.

By forming the left gap partition portion 48 so that the width dimension W1 gradually increases in the extending direction, the upper left fold line portion (upper fold line portion) formed at the boundary between the left gap partition portion 48 and the left side portion 54 69 can be inclined upwardly in the extending direction of the left gap partition 48.
That is, the upper left folding line part 69 is inclined upwardly from the part 48a near the center part 65a toward the part 48b of the left side part 45e.
The reason why the upper left folding line 69 is inclined upward will be described in detail with reference to FIG.

The left gap partition 48 is formed in a substantially triangular shape and is flat.
Specifically, the left gap partitioning portion 48 is formed in a substantially triangular shape with three sides of “upper left folding line portion 69”, “left lower folding line portion 67”, and “part 48b of the left side portion 45e”.

Further, the left gap partitioning portion 48 is formed in an inclined shape so as to have a downward slope from the left side portion 54 of the upper joint portion 46 toward the left front inclined side portion 45 c of the mounting portion 45.
Therefore, the left air gap partition 48 is provided between the side wall 24 and the support 25 in an inclined manner. In addition, the left gap partition 48 is formed flat.

As a result, the side wall 24 and the support portion 25 can be supported by the left gap partition portion 48. Therefore, the rigidity of the lower portion 18 (side wall 24 and support portion 25) of the inner panel 17 can be increased.
Thus, by forming the left air gap partitioning portion 48 flat, the left air gap partitioning portion 48 is also used as a beam structure that supports the side wall 24 and the support portion 25.

Furthermore, as described above, the left gap partition 48 is formed in a substantially triangular shape on the three sides of the “upper left folding line 69”, the “lower left folding line 67”, and the “portion 48b of the left side 45e”.
Here, the left side portion 54 adjacent to the “upper left folding line portion 69” is joined to the side wall 24.
Further, the attachment portion 45 (specifically, the left front inclined side portion 45 c) adjacent to the “lower left folding line portion 67” is joined to the support portion 25.

Therefore, of the three sides of the left gap partition portion 48, two sides of the “upper left fold line portion 69” and the “left lower fold line portion 67” are supported by the side wall 24 and the attachment portion 45.
Therefore, the rigidity of the left air gap partition 48 can be increased, and the role as a beam structure that supports the side wall 24 and the support 25 can be further enhanced.

The left gap partition 48 is formed in an inclined shape as described above.
Therefore, the left air gap partition portion 48 is provided in a non-contact state with respect to a bent portion (specifically, a bent portion at the boundary between the side wall 24 and the support portion 25) 17 a of the lower portion 18 of the inner panel 17. .
Thereby, a left first gap (first gap) 75 is formed between the left gap partition 48 and the bent portion 17a.

  The left first gap 75 is formed in a substantially triangular shape when viewed from the side (see also FIGS. 7 and 8), and the gap gradually increases from the portion 48a near the central portion 65a to the portion 48b of the left side portion 45e. It is formed as follows.

The left first gap 75 communicates with the lower end 62a of the left second gap 62 at a portion 48a near the central portion 65a.
Furthermore, the left first gap 75 is opened to the outside (that is, the left side) of the reinforcing member 20 at the portion 48b of the left side portion 45e.
Here, the upper left end 62 b of the second left gap 62 is opened to the outside of the reinforcing member 20 (that is, above the upper joint portion 46).

Returning to FIG. 5 and FIG. 6, the right gap partition 49 is symmetrical to the left gap partition 48.
The right air gap partitioning portion 49 is interposed between the right side portion 55 of the upper joint portion 46 and the right front inclined side portion 45d of the attachment portion 45, and is arranged at the rear of the vehicle body so as to connect the lower end portion of the right side portion 55 and the right front inclined side portion 45d. It is a flat part which inclines toward.

Specifically, the right air gap partitioning portion 49 extends from the portion 49a near the central portion 65a in the extending direction (vehicle width direction) of the intersecting line 65 where the mounting portion 45 and the upper joint portion 46 intersect to the right side portion (outer portion) 45f. The portion 49b extends toward the outside of the vehicle body.
The right gap partition 49 is symmetrical to the left gap partition 48 and will not be described in detail below.

By forming the right air gap partitioning portion 49 in an inclined shape, the right air gap partitioning portion 49 becomes a bent portion of the lower portion 18 of the inner panel 17 (specifically, a bent portion at the boundary between the side wall 24 and the support portion 25). ) 17a is provided in a non-contact state.
Thereby, a right first gap (first gap) 76 is formed between the right gap partition 49 and the bent portion 17a.
The right first gap 76 is symmetrical to the left first gap 75 and will not be described in detail below.

Here, the left first gap 75 and the left second gap 62 are provided, and the left first gap 75 is formed so that the gap gradually increases from the portion 48a near the center portion 65a toward the portion 48b of the left side portion 45e. The reason will be described with reference to FIG.
Note that the right first gap 76 and the right second gap 63 are symmetrical to the left first gap 75 and the left second gap 62 as described above. Therefore, in FIG. 10, the left first gap 75 and the left second gap 62 will be described, and the description of the right first gap 76 and the right second gap 63 will be omitted.

FIG. 10 is a diagram illustrating an example in which paint is guided to the left first gap and the left second gap according to the present invention.
The left first gap 75 communicates with the lower end 62a of the left second gap 62 at a portion 48a near the central portion 65a.
The left second gap 62 has an upper end 62b that is open to the outside of the reinforcing member 20 (that is, above the upper joint 46).
Further, the left first gap 75 is opened to the outside (left side) of the reinforcing member 20 at a portion 48b of the left side portion 45e.
Therefore, the blocking portion can be removed from the left first gap 75 and the left second gap 62.

Therefore, the paint can be guided upward as indicated by arrow A from the left side 75a side of the left first gap 75 toward the left second gap 62 in a state where the tailgate 15 is immersed in the paint for electrodeposition coating. .
Further, the guided paint can be guided upward as indicated by an arrow B from the lower end portion 62 b of the left second gap 62 to the left second gap 62.

Thereby, when the tailgate 15 is electrodeposited, the paint can be smoothly guided to the left first gap 75 and the left second gap 62.
Therefore, electrodeposition coating can be satisfactorily performed on the surface forming the left first gap 75 and the surface forming the left second gap 62.

Here, as described above, by forming the left air gap partitioning portion 48 so that the width dimension W1 gradually increases in the extending direction, the upper left folding line portion 69 is separated from the “portion 48a near the central portion 65a”. It is inclined in an upward gradient toward “the portion 48b of the left side portion 45e”.
Therefore, the buoyancy acting on the bubble 85 of the left first gap 75 can smoothly raise the bubble 85 along the upper left folding line portion 69 to the left side portion 75a of the left first gap 75 as shown by the arrow C.

Thereby, the bubbles 85 can be discharged well from the left side 75a of the left first gap 75.
Therefore, the electrodeposition coating can be performed more satisfactorily on the surface forming the left first gap 75 without being affected by the bubbles 85.

In FIG. 10, the example in which the paint flows from the left first gap 75 toward the left second gap 62 has been described. However, the paint can also flow from the left second gap 62 toward the left first gap 75. It is.
Furthermore, although the example which discharges the bubble 85 from the left side part 75a of the left 1st space | gap 75 was demonstrated, it is also possible to guide to the left 2nd space | gap 62 and to discharge the bubble 85 from the upper end part 62b of the left 2nd space | gap 62. is there.

FIG. 11 is a diagram for explaining an example in which the left gap partition portion according to the present invention is used as a beam structure.
When closing the tailgate 15 in the direction of arrow D, for example, the latch 39 of the lock mechanism 22 is engaged with the striker 41.
When the latch 39 is engaged with the striker 41, the inertial force F acts on the side wall 24 in the direction of closing the tailgate 15, and the reaction of the inertial force F further acts.

Here, the left gap partition 48 is formed flat, and the left gap partition 48 is provided between the side wall 24 and the support 25 in an inclined manner.
Accordingly, the left gap partition 48 can serve as a beam structure that supports the side wall 24 and the support 25.

Thereby, the inertial force F acting on the side wall 24 and the reaction of the inertial force F can be supported by the left gap partition 48.
Therefore, the side wall 24 can be prevented from being deformed in the clockwise direction or the counterclockwise direction about the side wall 24 and the bent portion 17a of the support portion 25 as axes.

In the above-described embodiment, the tailgate 15 is exemplified as the door. However, the present invention is not limited to this, and can be applied to, for example, a side door.
In this case, the lock mechanism 22 is attached to the rear part of the side door.

  In the above embodiment, the left and right gap partitioning portions 48 and 49 are inclined toward the rear of the vehicle body and formed flat. However, the present invention is not limited to this. For example, it is formed in a curved shape. It is also possible to do.

  Further, in the above-described embodiment, the example in which the entire left and right gap partitioning portions 48 and 49 are inclined toward the rear of the vehicle body and formed flat is used as a beam structure. For example, it is also possible to play the role of a beam structure by inclining at least a part of the left and right gap partition portions 48 and 49 toward the rear of the vehicle body and forming them flat.

  In the above embodiment, the left and right gap partition portions 48 and 49 are formed in a triangular shape. However, the present invention is not limited to this, and can be formed in another shape such as a quadrangle. is there.

Furthermore, in the said embodiment, the left-right 1st space | gap 75,76 is formed by forming the right-and-left space | gap partition parts 48 and 49 so that it may become large gradually toward the site | part of a side part from the site | part near a center part. Although the example which gradually enlarged toward the site | part of the side part from the site | part close | similar to the center part was demonstrated, the shape of the right-and-left space | gap partition parts 48 and 49 and the 1st left-and-right 1st space | gap 75 and 76 is not limited to this. .
As an example, the left and right gap partitions 48 and 49 are formed with the same width dimension from the portion near the center toward the portion on the side, so that the left and right first gaps 75 and 76 are located on the side from the portion near the center. It is also possible to make it the same size toward the part.

  Further, the shapes of the attachment portion 45 of the reinforcing member 20, the left and right bead portions 56 and 57, and the base portion 35 of the lock mechanism 22 shown in the above embodiment are not limited to those illustrated, and can be changed as appropriate. It is.

  INDUSTRIAL APPLICABILITY The present invention is suitable for application to an automobile having a vehicle door structure in which a lock mechanism is provided via a reinforcing member on a door that opens and closes an opening of a vehicle body, and the door is held closed by the lock mechanism.

It is a perspective view which shows the door structure of the vehicle which concerns on this invention. FIG. 2 is a sectional view taken along line 2-2 of FIG. It is sectional drawing which shows the state which removed the locking mechanism from the tailgate of FIG. It is a perspective view which shows the state which attached the reinforcement member to the inner panel which concerns on this invention. It is a disassembled perspective view which shows the state which removed the reinforcement member from the inner panel which concerns on this invention. It is a perspective view which shows the state which attached the lock mechanism to the inner panel which concerns on this invention. FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 4. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 4. It is a perspective view which shows the left space | gap partition part of the reinforcement member which concerns on this invention. It is a figure explaining the example which guides a coating material to the left 1st space | gap and left 2nd space | gap which concern on this invention. It is a figure explaining the example which utilizes the left space | gap partition part which concerns on this invention as a beam structure.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Vehicle door structure, 11 ... Vehicle body, 13 ... Opening part, 15 ... Tail gate (door), 17 ... Inner panel (door panel), 20 ... Reinforcement member, 22 ... Lock mechanism, 24 ... Side wall, 25 ... Support part 35 ... Base part, 35d, 35e ... Left and right inclined sides (lock mechanism outer shape), 45 ... Mounting part, 45e, 45f ... Left and right side parts (outer part), 46 ... Upper joint part (joint part), 48, 49 ... left and right gap partitioning portions (gap partitioning portions), 48a ... site near the center in the extending direction of the cross line, 48b ... site on the left side, 49a ... site near the center in the extending direction of the cross line, 49b ... left side part, 53 ... center joint part, 54, 55 ... left and right side parts (both sides), 56, 57 ... left and right bead parts (bead part), 62, 63 ... left and right second gaps (first 2 gaps), 62a ... lower end (one end) of the second left gap, 62 ... upper end part (other end part) of left second gap, 65 ... crossing line, 65a ... center part of extending direction of crossing line, 67, 68 ... left and right lower folding line part (lower folding line part), 69 ... upper left folding line part (Upper fold line part), 75,76 ... 1st space | gap on either side (1st space | gap), W1 ... width dimension.

Claims (4)

A door for opening and closing the opening of the vehicle body is provided, the wall portion of the door is formed by a door panel, the support portion is bent from the side wall of the door panel, and a lock mechanism is provided on the support portion via a reinforcing member. A vehicle door structure for holding the door in a closed state,
The reinforcing member is
An attachment part to which the lock mechanism is attached in a state provided in the support part;
A bead portion for reinforcement is formed while being bent along the side wall from the mounting portion, and a joint portion joined to the side wall,
A gap partition portion that is interposed between the joint portion and the attachment portion and connects both portions, and is disposed in a non-contact state with respect to the door panel, thereby forming a first gap between the door panel,
Have
By bulging the reinforcing bead portion in a direction away from the side wall, a second gap is formed between the reinforcing bead portion and the side wall,
One end of the second gap communicates with the first gap, and the other end of the second gap opens to the outside of the reinforcing member ,
Among the reinforcing members, the gap partitioning portion extends along the intersecting line from a portion near the center in the extending direction of the substantially horizontal intersecting line where the attachment portion and the joint intersect,
A door structure of a vehicle , wherein an upper folding line portion formed at a boundary between the gap partitioning portion and the joint portion is inclined in an upward slope toward an extending direction of the gap partitioning portion . At least a portion of the gap partitioning portion is
The vehicle door structure according to claim 1 , wherein the vehicle door structure is formed to be inclined and flat so as to have a downward slope from the joint portion toward the attachment portion. The joint is
A central joint is directly connected to the mounting portion at a central portion in the extending direction of a substantially horizontal crossing line where the mounting portion and the joint portion intersect,
2. The vehicle door structure according to claim 1, wherein both side portions of the central joint portion are connected to the attachment portion via the gap partitioning portion. A lower folding line part is formed at the boundary between the gap partitioning part and the attachment part,
The vehicle door structure according to any one of claims 1 to 3 , wherein the lower folding line portion is formed along an outer shape of the lock mechanism.

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