JP5772685B2 - Vehicle door structure - Google Patents

Description

  The present invention relates to a vehicle door structure.

  In a vehicle door, a hole (hole) for attaching a door weather strip is present below a bolt hole of an inner panel (door inner panel) of the door. For this reason, the coating liquid accumulated between the lock reinforcement (door lock reinforcement) and the inner panel in the painting process may flow out of the inner panel (vehicle interior side) through the hole. Thus, when the coating liquid flows out to the outside of the inner panel, coating unevenness occurs due to the dripping of the coating liquid. For this reason, reworking is performed, but this increases the number of work steps.

JP-A-5-229343

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle door structure capable of suppressing or preventing dripping of coating liquid into the vehicle interior side of the door inner panel. .

The vehicle door structure according to the first aspect of the present invention constitutes the inner plate of the side door and is formed at the rear portion in the vehicle front-rear direction with an opening into which the striker provided on the side of the vehicle body is inserted. A door inner panel including a rear wall portion, a flange portion formed at an outer end portion of the rear wall portion in the vehicle width direction and bent toward the vehicle rear side, and a door lock disposition portion in the door inner panel provided, a door lock reinforcement that is formed so as to overlap with the rear wall portion and the flange portion above the formed in the door lock reinforcement Rutotomoni, central portion in the vehicle width direction is provided along the vehicle width direction a groove having a lateral groove which is formed so as to be inclined to the bottom of the vehicle toward the both end sides from, provided in said groove, said door lock reinforcement A gap with the door inner panel is sealed, provided at least above the rear wall portion along the vehicle width direction and positioned above the opening, and one end portion in the longitudinal direction extends to the flange portion. And a sealing member.

  In the vehicle door structure according to the first aspect of the present invention, the door inner panel constituting the inner plate of the side door includes a rear wall portion at the rear portion in the vehicle front-rear direction, and the rear wall portion includes a vehicle body side portion. An opening into which a striker provided on the side is inserted is formed. Further, a flange portion that is bent toward the vehicle rear side is formed at an outer end portion of the rear wall portion in the vehicle width direction. And the door lock reinforcement part is provided in the door lock arrangement | positioning site | part in a door inner panel, The said door lock reinforcement is formed so that it may overlap with the rear wall part and flange part of a door inner panel.

  As described above, the rear wall portion of the door inner panel has an opening into which the striker provided on the side of the vehicle body is inserted, but in addition to this, a hole for attaching other members A part or the like is formed. Generally, in the painting process, the vehicle is immersed in the painting tank and electrodeposition is applied. At this time, the coating liquid that has entered the gap between the door inner panel and the door lock reinforcement goes to the drying process. While moving, it falls by its own weight. However, if this gap is narrow and the coating liquid remains retained in the gap, the coating liquid passes through the opening and hole formed in the rear wall portion of the door inner panel and the outside of the door inner panel (inside the vehicle interior) ).

For this reason, in this invention, the groove part is formed in the door lock reinforcement . This groove part is provided with the horizontal groove part provided along the vehicle width direction, and the said horizontal groove part is formed so that it may incline below a vehicle as it goes to both ends from the center part of a vehicle width direction. And in this invention, the sealing member is provided in a groove part and the clearance gap between a door inner panel and a door lock reinforcement is sealed . With sheet seal member is provided along at least the rear wall portion on the upper side of the opening formed in the rear wall portion of the door inner panel in the vehicle width direction, one longitudinal end portion of the sealing member is the door inner part It extends to the flange part of the panel.

  Since the coating liquid flows downward due to its own weight, when the coating liquid enters the gap between the door inner panel and the door lock reinforcement in the coating process, when the coating liquid comes into contact with the seal member, the coating liquid passes through the seal member and passes the door It will flow on the flange side of the inner panel. Therefore, it is possible to prevent the coating liquid from flowing into the opening and the hole formed in the rear wall portion of the door inner panel.

  A vehicle door structure according to a second aspect of the present invention is the vehicle door structure according to the first aspect, wherein the door lock reinforcement extends downward from the longitudinal end of the seal member. The part is extended.

  In general, rainwater that has entered the gap between the door inner panel and the door lock reinforcement during rainy weather may flow out of the door inner panel through an opening formed in the door inner panel.

  In the present invention, it is possible to prevent rainwater from flowing into the opening by providing a seal member along the vehicle width direction above the opening. However, when the vehicle stops or travels while being inclined with respect to the vehicle width direction, rainwater may flow into the opening from the vehicle width direction outside of the opening.

  Therefore, in the vehicle door structure according to the second aspect of the present invention, the extension portion extends downward from the one end portion of the seal member in the longitudinal direction. Accordingly, even when the vehicle stops or travels while being inclined with respect to the vehicle width direction, rainwater can be prevented from flowing into the opening.

  A vehicle door structure according to a third aspect of the present invention is the vehicle door structure according to the first or second aspect, wherein a hole for attaching a door weather strip for sealing a gap between the side door and the vehicle body side portion is provided. A portion is formed on the outer side in the vehicle width direction and below the opening in the rear wall portion.

  A door weather strip that seals the gap can be attached between the side door and the side of the vehicle body. In the vehicle door structure according to the third aspect of the present invention, the door weather strip is attached. Is formed on the outer side in the vehicle width direction and below the opening in the rear wall portion formed in the door inner panel.

  One end portion in the longitudinal direction of the seal member provided between the door inner panel and the door lock reinforcement extends to the flange portion of the door inner panel. For this reason, in the painting process, when the coating liquid that has entered the gap between the door inner panel and the door lock reinforcement flows into the flange portion of the door inner panel through the seal member when contacting the seal member. become. Therefore, it is possible to prevent the coating liquid from flowing into the hole formed in the rear wall portion of the door inner panel.

  The door structure for a vehicle according to the first aspect of the present invention has an excellent effect that the dripping of the coating liquid into the vehicle interior side of the door inner panel can be suppressed or prevented.

  The vehicle door structure of the present invention according to claim 2 has an excellent effect that the outflow of the rain water door inner panel to the vehicle interior side can be suppressed or prevented.

  The door structure for a vehicle according to the third aspect of the present invention has an excellent effect that the dripping of the coating liquid into the vehicle interior side of the door inner panel can be suppressed or prevented.

It is the perspective view seen from the vehicle inner side diagonally back which shows the lock reinforcement of the vehicle door structure which concerns on this embodiment. It is a schematic sectional drawing which shows the state cut | disconnected along 2-2 line | wire of FIG.

  A vehicle door structure according to the present embodiment will be described with reference to FIGS. 1 and 2. In addition, arrow FR, arrow UP, and arrow OUT that are appropriately described in each figure respectively indicate the vehicle body front direction, the vehicle body upward direction, and the vehicle width direction outer side direction of the vehicle to which the present invention is applied.

(Configuration of vehicle door structure)
Although not shown, generally, a door opening is formed in a vehicle body side portion of an automobile, and the door opening can be opened and closed by a side door. A striker is provided at the rear edge of the door opening. The striker is composed of a round bar bent in a U-shape, and is engaged with a latch built in a door lock provided on the side door side so as to maintain the closed state of the side door. .

  The side door includes a door outer panel that is disposed outside the side door and forms an outer plate, and a door inner panel that forms an inner plate of the side door. The peripheral portion of the door outer panel and the peripheral portion of the door inner panel are connected to each other so that a hollow portion is provided between the door outer panel and the door inner panel. A door glass raising / lowering device for raising and lowering the door glass can be disposed.

  Moreover, the door lock reinforcement 10 shown in FIG. 1 is joined to the door lock arrangement | positioning site | part located in the free end side of a door inner panel by welding etc. (it mentions later). FIG. 1 is a perspective view of the door lock reinforcement 10 as viewed obliquely from the inside of the vehicle, and the door inner panel 20 is indicated by a two-dot chain line.

  As shown in FIG. 1, the door lock disposition portion 21 of the door inner panel 20 is located at the rear portion of the door inner panel main body 28 in the vehicle front-rear direction and is provided along the vehicle width direction. And a flange portion 32 formed at the outer end portion of the rear wall portion 30 in the vehicle width direction and bent toward the vehicle rear side. An opening 34 into which the above-described striker (not shown) is inserted is formed in the rear wall 30 along the vehicle width direction.

  On the other hand, the door lock reinforcement 10 is formed so as to overlap the door inner panel 20. Specifically, the door lock reinforcement 10 has an opening 12A that overlaps with the rear wall 30 of the door inner panel 20 and communicates with the opening 34, and a door to which a door lock (not shown) is attached. A lock mounting wall portion 12 is provided. An inner flange portion 14 that is bent toward the front side in the vehicle front-rear direction and overlaps the door inner panel main body 28 is formed at an inner end portion in the vehicle width direction of the door lock mounting wall portion 12. Further, an outer flange portion 32 that is bent toward the rear side in the vehicle front-rear direction and overlaps the flange portion 32 of the door inner panel 20 is provided at the outer end portion in the vehicle width direction of the door lock mounting wall portion 12. A bent portion 18 that is bent outward in the vehicle width direction is formed from the rear end portion of the outer flange portion 16.

  The inner flange portion 14 and the bent portion 18 are disposed at the end of the door lock reinforcement 10 in the vehicle width direction. The inner flange portion 14 and the bent portion 18 are spaced at predetermined intervals along the vehicle vertical direction. (The interval may not be constant), and a plurality of joint seats 14A, 18A are provided to project toward the door inner panel 20 side. The seating surfaces of these joint seats 14A and 18A are spot welded to the door inner panel 20, for example. Here, the joint seat 14A is formed in an arc shape, and the joint seat 18A is formed in a trapezoidal shape, but is not limited to this shape.

  On the other hand, a projecting portion 22 that protrudes toward the door inner panel 20 side in the door lock mounting wall portion 12, the inner flange portion 14, and the outer flange portion 16 is provided around the opening 12A. The door lock mounting wall 12 is formed with counterbore portions 12B, 12C, and 12D with an opening 12A interposed therebetween. The counterbore portions 12B, 12C, and 12D include fasteners such as countersunk screws (not shown). ) Can be accommodated. The above-described door lock (not shown) is attached to the door lock attachment wall portion 12 by these fasteners.

  In addition, a communication hole 12E is formed on the outer flange portion 16 side of the door lock mounting wall portion 12 obliquely above the counterbore portion 12B on the outer side in the vehicle width direction. A communication hole 12F is formed. These communication holes 12E and 12F can communicate with holes 20A and 20B formed in the door inner panel 20, respectively. The door weather strip 36 can be attached in a state where the communication hole 12E and the hole portion 20A and the communication hole 12F and the hole portion 20B are communicated with each other.

  In addition, a substantially L-shaped groove 23 that is recessed toward the direction away from the door inner panel 20 is formed in the protruding portion 22 above the counterbore 12B. The groove portion 23 extends along the vehicle width direction, and extends from the door lock mounting wall portion 12 (lateral groove portion 23A) to the inner flange portion 14 (lateral groove portion 23B) and the outer flange portion 16 (lateral groove portion 23C). Is formed. That is, the lateral groove portions 23B, 23A, and 23C are continuously provided along the vehicle width direction above the opening portion 12A and the communication hole 12F. In the inner flange portion 14, the longitudinal groove portion 23 </ b> D provided continuously with the transverse groove portion 23 </ b> B is bent downward on the front side in the vehicle front-rear direction of the opening 12 </ b> A.

  A paste-like seal member 24 is applied in the groove 23, and the gap between the door lock reinforcement 10 and the door inner panel 20 is sealed by the seal member 24 (see FIG. 2). ). FIG. 2 is a schematic cross-sectional view taken along line 2-2 of FIG.

  Here, in the sealing member 24, a lateral portion 24A2, a lateral portion 24A1, and a lateral portion 24A3 respectively provided in the lateral groove portions 23B, 23A, and 23C extending along the vehicle width direction are continuous along the vehicle width direction. The horizontal portion 24A is provided. A longitudinal portion 24B extending in the vertical direction of the vehicle and provided in the longitudinal groove portion 23D is continuously provided at one end portion (lateral portion 24A3 side) in the longitudinal direction of the lateral portion 24A. Further, the lateral portion 24A is set so that the substantially central portion in the vehicle width direction is the highest, and is formed so as to be slightly inclined downward toward the both ends in the vehicle width direction.

(Operation and effect of vehicle door structure)
Next, operations and effects of the vehicle door structure according to this embodiment will be described.

  As shown in FIGS. 1 and 2, a seal member 24 that seals the gap between the door lock reinforcement 10 and the door inner panel 20 is provided between the door lock reinforcement 10 and the door inner panel 20. Yes.

  The seal member 24 is provided along the vehicle width direction above the opening 12A and the counterbore 12B formed in the door lock reinforcement 10, and the door lock mounting wall 12 (lateral groove) of the door lock reinforcement 10 is provided. The lateral portion 24A extends from the portion 23A) to the (lateral groove portion 23B) and the outer flange portion 16 (lateral groove portion 23C). And in the inner side flange part 14, the vertical part 24B extended along the vehicle up-down direction in the vehicle front-back direction front side of the opening part 12A is provided continuously with the said horizontal part 24A.

  When the seal member 24 is viewed from the door inner panel 20 side, the seal member 24 is provided above the opening 34 formed in the door inner panel 20 along the vehicle width direction. A lateral portion 24 </ b> A extends across the rear wall portion 30 and the flange portion 32. And in the door inner panel main body 28, the vertical part 24B extended along the vehicle up-down direction in the vehicle front-back direction front side of the opening part 34 is provided continuously with the said horizontal part 24A. Hereinafter, for convenience of explanation, the seal member 24 viewed from the door lock reinforcement 10 side will be described.

  Since the lateral portion 24A of the seal member 24 extends from the door lock mounting wall portion 12 to the inner flange portion 14 and the outer flange portion 16 in the door lock reinforcement 10, the opening portion 12A and the communication hole 12F are located above. Is provided with a seal member 24.

  In general, in the painting process, the vehicle is immersed in a painting tank and is electrodeposited, but the coating liquid that has entered the gap between the door inner panel 20 and the door lock reinforcement 10 at this time goes to the drying process. While moving, it falls by its own weight.

  However, for example, due to interference with other members such as a door lock, as shown in FIG. 2, a predetermined gap (gap t1) is not ensured between the door inner panel 20 and the door lock reinforcement 10, When it becomes narrow like the gap t2, the surface tension of the coating liquid may remain between the door inner panel 20 and the door lock reinforcement 10 in a state where the coating liquid is retained. In such a case, the coating liquid may flow out to the vehicle interior side of the door inner panel 20 through the hole 20 </ b> B formed in the door inner panel 20.

  Therefore, in the present embodiment, as shown in FIG. 1, the door lock reinforcement 10 is provided above the opening 12 </ b> A and the communication hole 12 </ b> F and from the door lock mounting wall 12 to the inner flange 14 and the outer flange 16. A seal member 24 is provided. Thereby, the coating liquid (indicated by the arrow) that flows down from the seal member 24 flows through the outer flange portion 16 of the door lock reinforcement 10 on the outer flange portion 16 side of the door lock mounting wall portion 12. That is, the coating liquid can be prevented from flowing into the opening 34 and the hole 20B of the door inner panel 20 from the opening 12A and the communication hole 12F. Thereby, the dripping of the coating liquid into the vehicle interior side of the door inner panel 20 can be suppressed or prevented.

  Further, the seal member 24 includes a lateral portion 24A extending along the vehicle width direction, and a longitudinal portion 24B provided at an end portion in the longitudinal direction of the lateral portion 24A and extending along the vehicle vertical direction. It is configured to include. The lateral portion 24A is set so that the substantially central portion in the vehicle width direction is the highest, and is formed so as to be slightly inclined downward toward the both ends in the vehicle width direction. Thereby, the coating liquid is guided toward the both sides in the vehicle width direction along the upper end surface of the lateral portion 24A and is dropped by its own weight while moving to the drying process.

  On the other hand, the rainwater that has entered between the door inner panel 20 and the door lock reinforcement 10 during rainy weather passes through the opening 12 </ b> A formed in the door lock reinforcement 10 and the opening 34 formed in the door inner panel 20. There is a possibility of flowing out to the vehicle interior side of the inner panel 20.

  For this reason, by providing the sealing member 24 above the opening 12A in the door lock reinforcement 10, rainwater can be prevented from flowing into the opening 12A, but the vehicle is inclined with respect to the vehicle width direction. When the vehicle stops or travels, rainwater may flow into the opening 12A from the outside in the vehicle width direction of the opening 12A.

  Therefore, in the present embodiment, the vertical portion 24B is provided at the end of the seal member 24, is bent toward the vehicle lower side, and is set to extend to a position outside the vehicle width direction of the opening 12A. As a result, even when the vehicle stops or travels while being inclined with respect to the vehicle width direction, rainwater does not flow into the opening 12A, and the door inner is formed through the opening 34 formed in the door inner panel 20. The outflow of rain water to the vehicle interior side of the panel 20 can be suppressed or prevented.

  By the way, the door lock reinforcement 10 includes a door lock mounting wall portion 12 to which a door lock is attached. An inner flange portion 14 is provided, and an outer flange portion 16 that is bent toward the rear side in the vehicle front-rear direction from the vehicle width direction outer end portion of the door lock mounting wall portion 12 is provided.

  Thereby, the strength and rigidity of the door lock reinforcement 10 itself are improved, and the rigidity around the portion where the door lock is attached is improved. As a result, an unnecessary movement of the door lock can be reduced when the side door 26 is closed, and durability performance with respect to opening and closing of the side door 26 at a portion where the door lock is attached is improved.

(Supplement of embodiment)
In addition, although the vertical part 24B is provided in the inner side flange part 14 of the door lock reinforcement 10 here, the outer side flange part 16 of the door lock reinforcement 10 is also provided with the vertical groove 23E (shown by a virtual line), The seal member 24 may be applied in the vertical groove 23E, and a vertical portion 24C (indicated by an imaginary line) corresponding to the extended portion may be provided. Thereby, the coating liquid that flows down from the seal member 24 can be guided to the lower side of the outer flange portion 16 along the vertical portion 24C.

Further, as the sheet seal member 24, but here is coated ones paste may be adhered to the elastic member.

  Further, here, the seal member 24 is applied to the door lock reinforcement 10 side. However, since the seal member 24 only needs to be provided between the door inner panel 20 and the door lock reinforcement 10, the door inner panel is used. The sealing member 24 may be applied to the 20 side.

  As described above, the present invention has been described with reference to one embodiment. However, the present invention is not limited to the embodiment, and the above-described embodiments are within the scope of the present invention. Various modifications and substitutions can be made to the embodiment.

DESCRIPTION OF SYMBOLS 10 Door lock reinforcement 20 Door inner panel 21 Door lock arrangement | positioning part 20B Hole part 23 Groove part
23A Horizontal groove
23B Horizontal groove
23C Horizontal groove part 24 Seal member 24C Vertical part (extension part)
26 Side door 30 Rear wall 32 Flange 34 Opening 36 Door weather strip

Claims (3)

A rear wall portion that constitutes an inner plate of the side door, is formed with an opening into which a striker provided on the side of the vehicle body is inserted, and is located at the rear portion in the vehicle longitudinal direction, and the rear wall portion in the vehicle width direction A door inner panel provided with a flange portion formed at an outer end portion and bent toward the vehicle rear side;
Door lock reinforcement provided at a door lock disposition site in the door inner panel and formed to overlap the rear wall portion and the flange portion;
Rutotomoni formed in the door lock reinforcement, a groove having a lateral groove which is formed so as to be inclined to the bottom of the vehicle as provided along a vehicle width direction toward the central portion in the vehicle width direction to the both ends,
Provided in said groove, to seal the gap between the door lock reinforcement and the door inner panel, at least the rear wall upper positioned above the side of the opening with is provided along a vehicle width direction A sealing member in which one end portion in the longitudinal direction extends to the flange portion;
A vehicle door structure.   The vehicle door structure according to claim 1, wherein an extension portion extends downward from the one end portion of the seal member in the longitudinal direction.   The hole for attaching the door weather strip which seals the clearance gap between the said side door and the said vehicle body side is formed in the vehicle width direction outer side of the said opening part in the said rear wall part, and the downward direction. The vehicle door structure according to 2.

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