JP6840945B2 - Vehicle door structure - Google Patents

Description

The present invention relates to a vehicle door structure comprising a sash.

Conventionally, a side door for opening and closing an opening for getting on and off is provided on the side surface of a vehicle body, and the side door includes a door panel, a door sash, and the like. Among such side doors, a sash for regulating the elevating locus of the elevating door glass is provided on the front side of the front side door along the vertical direction of the vehicle (see, for example, Patent Document 1).
The conventional sash is made of sheet metal, the upper part of the sash is joined to the mirror reinforcing member by welding, and the lower part of the sash is attached to the inner panel constituting the door panel via a bracket. Therefore, the bracket is joined to the bottom of the sash by welding. In addition, the sash made of sheet metal is attached to the side door before the electrodeposition coating process of the vehicle body as a measure against rust.

Japanese Unexamined Patent Publication No. 2007-176193

By the way, in the above-mentioned conventional door structure, when the sash is assembled to the door panel, a gap is always generated between the sash and the outer panel of the door panel or between the sash and the inner panel of the door panel, so that the vehicle speed is high. There was a problem that wind noise was generated from the gap during traveling. That is, when the vehicle is traveling at high speed, the wind flows through the gap between the door mirror visor and the door mirror base, so that the flow velocity of the wind increases and the rear end of the door mirror base becomes negative pressure. Along with this, the air on the vehicle interior side is sucked out from the gap between the sash and the outer panel to the outside of the vehicle interior, and wind noise is generated near the gap between the sash and the outer panel. Moreover, although most of the air is sucked out to the outside of the passenger compartment, some of the air invades the passenger compartment side, so that there is a possibility that wind noise may be generated on the passenger compartment side.

The present invention has been made in view of such an actual situation, and an object of the present invention is to eliminate a gap through which air flows between the sash and the door outer panel or the door inner panel, and wind noise generated when the vehicle travels at high speed. It is an object of the present invention to provide a vehicle door structure capable of firmly suppressing the occurrence of noise and improving NVH performance.

In order to solve the problems of the prior art, the present invention provides a door outer panel and a door inner panel constituting the door panel of the side door, and the door outer panel provided along the front side of the side door along the vehicle vertical direction. In a vehicle door structure having an L-shaped cross section or a U-shaped cross section sash that is located between the door inner panel and the door inner panel and holds a glass run, the door mirror is positioned so as to overlap the sash in a lateral view. A base is provided, the sash is made of a resin material, and the sash is provided with an engaging portion that engages so as to cover an end portion of the door inner panel, and the engaging portion is of the sash. On the inner side surface side of the door outer panel of the sash provided on the outer side surface side of the door inner panel and located on the side opposite to the engaging portion, the tip portion is in contact with the inner side surface of the door outer panel. The elastically deformable lip portion is integrally molded .

Further, in one aspect of the present invention, the sash has an L-shaped cross section, the end portion of the door outer panel is formed in a hem-shaped portion, and the glass run is engaged in the hem-shaped portion. It is configured to fit.

As described above, the door structure of the vehicle according to the present invention is provided with the door outer panel and the door inner panel constituting the door panel of the side door, and the front side of the side door along the vehicle vertical direction, and the door outer panel and the above. In a vehicle door structure that is located between the door inner panel and has an L-shaped cross section or a U-shaped cross section sash that holds the glass run, the door mirror base is placed at a position that overlaps the sash in a lateral view. The sash is made of a resin material, and the sash is provided with an engaging portion that engages so as to cover the end of the door inner panel, and the engaging portion is the door of the sash. On the inner side surface side of the door outer panel of the sash provided on the outer side surface side of the inner panel and located on the side opposite to the engaging portion, the tip portion is elastically deformed in a state of being in contact with the inner side surface of the door outer panel. Since the lip part is integrally molded , even if there is a place where negative pressure is applied when the vehicle is running at high speed, if the engaging part of the resin sash and the door outer panel are engaged, the negative pressure is applied. It is possible to suppress the generation of air flow from the vehicle interior side to the vehicle interior outside. Further, when the engaging portion of the resin sash and the door inner panel are engaged, it is possible to prevent a part of the generated air flow from entering the vehicle interior side. Further, when the engaging portion of the resin sash is engaged with the door outer panel and the door inner panel, the air flow from the vehicle interior side to the vehicle interior outside due to the negative pressure is generated, and the generated air is generated. It is possible to prevent a part of the flow from entering the vehicle interior side.
Therefore, according to the door structure of the present invention, it is possible to eliminate a gap through which air flows between the sash and the door outer panel or the door inner panel, and it is possible to effectively suppress the generation of wind noise generated when the vehicle travels at high speed. By improving the NVH performance, it is possible to ensure a comfortable habitability for the occupants in the passenger compartment.
Further, according to the door structure of the present invention, it is possible to absorb the component tolerance by the lip portion provided on one side surface of the sash without increasing the number of components, and the sash and the door panel are reliably sealed. It is possible to improve the sealing property of the sash.

Further, in one aspect of the present invention, the sash has an L-shaped cross section, the end portion of the door outer panel is formed in a hem-shaped portion, and the glass run is engaged in the hem-shaped portion. Since it is configured to fit, it is possible to close the gap between the sash and the end of the door outer panel by the hem-shaped part and the glass run, suppressing the generation of wind noise that occurs when the vehicle is running at high speed. Further improvement of NVH performance can be achieved.

It is a perspective view of the front side door to which the door structure of the vehicle which concerns on embodiment of this invention is applied seen from diagonally front outside the passenger compartment. It is a cross-sectional view which shows the door panel, the sash and the periphery which the front side door has in FIG. It is a cross-sectional view which shows the door panel, the sash and the periphery which the front side door to which the door structure of the vehicle which concerns on another Embodiment of this invention is applied has.

Hereinafter, the present invention will be described in detail based on the illustrated embodiments.
1 and 2 show a vehicle door structure according to an embodiment of the present invention. In the figure, the arrow Fr indicates the front of the vehicle, the arrow O indicates the direction outside the vehicle interior, and the arrow I indicates the direction toward the inside of the vehicle interior. Further, in FIG. 2, arrows A1 and A2 indicate the flow of air, and arrow B indicates the flow of wind.

As shown in FIGS. 1 and 2, the front side door 1 to which the vehicle door structure according to the embodiment of the present invention is applied is a member different from the door panel 2 and the door panel 2, and is a member of the door panel 2. It includes a sash 3 provided closer to the front side, and a door mirror base 41 provided on the vehicle front side of the sash 3 at the front end portion of the door panel 2 and supporting the door mirror 4. The door panel 2 is a panel member that forms a front side door 1 for opening and closing a door opening (not shown) for getting on and off provided on the front side of the side surface of the vehicle body. It has a sash portion 2b that constitutes the upper part. The sash portion 2b is formed in a window frame shape having a front side portion, a rear side portion, and an upper side portion, and is integrally provided on the upper portion of the panel main body 2a.

Further, the door panel 2 has a door outer panel 21 arranged on the outside of the vehicle and a door inner panel 22 arranged on the inside of the vehicle, and by joining the outer peripheral edges of the door outer panel 21 and the door inner panel 22 to each other. It is configured. The door window opening 11 of the front side door 1 is formed by an area surrounded by an upper edge portion of the panel body 2a of the door panel 2 and an inner edge portion of the sash portion 2b, and an inner edge portion on the rear side of the vehicle of the sash 3. Inside the door window opening 11, a door glass 12 for opening and closing the door window opening 11 is arranged so as to be able to move up and down.

As shown in FIGS. 1 and 2, the sash 3 of the present embodiment is manufactured by using a resin material, and is provided so as to extend toward the front side of the door panel 1 along the vertical direction of the vehicle. Further, the sash 3 is located between the door outer panel 21 and the door inner panel 22 in the panel body 2a and the sash portion 2b of the door panel 2 in the vehicle width direction, and is inserted between the door outer panel 21 and the door inner panel 22. Is located in. Further, the sash 3 has a holding portion 31 having an opening 31a arranged on the door glass 12 side and having a U-shaped cross section for holding the glass run 5 inside, and a guide rail of the door glass 12. It has the function as. Therefore, the door outer panel 21 and the door inner panel 22 are formed so that the distance between the panels is large by bending the ends 21a and 22a on the door glass 12 side in the directions away from each other, and the sash holding the glass run 5 is held. It is configured so that the holding portion 31 of 3 can be arranged.
Inside the holding portion 31 of the sash 3, two large and small accommodating portions 31b and 31c for accommodating the glass run 5 are formed, and the base end portions 5a of the accommodated glass run 5 are accommodated in the accommodating portions 31b and 31c. The glass run 5 can be attached to the holding portion 31 of the sash 3 by hooking the tip portion 5b of the glass run 5 on the outer edge portion of the opening portion 31a of the holding portion 31 while hooking the step portion 31d between them. There is.

As shown in FIG. 2, the upper side of the sash 3 is arranged in a state where three sheets are overlapped while being sandwiched between the door outer panel 21 and the door inner panel 22, and the fastening screw 6 of the door mirror 4 is used. The nut 7 is screwed into the fastening screw 6 and fastened together to be attached to the door mirror base 41. With such a tightening structure of the door mirror 4, the resin sash 3 can be attached by the same method as the conventional tightening method of the door mirror 4, and the door outer panel 21 and the door inner panel 22 are fastened together. It is configured so that the rigidity of the mounting surface of the door mirror 4 can be increased.
On the other hand, the lower side of the sash 3 is arranged in the panel main body 2a of the door panel 2, and is attached to the door inner panel 22 by tightening with a bolt or the like (not shown). As shown in FIG. 1, the door mirror base 41 is arranged in an area surrounded by the upper edge portion of the panel body 2a of the door panel 2 and the inner edge portion of the sash portion 2b, and the inner edge portion on the vehicle front side of the sash 3. It is formed in a substantially triangular shape when viewed from the side of the vehicle.

Further, as shown in FIG. 2, the holding portion 31 of the sash 3 is provided with an engaging portion 32 that engages so as to cover the tip end portion of the end portion 22a of the door inner panel 22. The engaging portion 32 is provided on the outer surface side of the sash 3 and is formed in an inverted L-shaped cross section extending toward the front of the vehicle while projecting from the front end side side surface of the holding portion 31 toward the vehicle interior side. That is, the sash 3 fits between the side surface of the holding portion 31 and the engaging portion 32 into the tip end portion of the end portion 22a of the door inner panel 22, and engages with the end portion 22a of the door inner panel 22 to engage the door panel. It is designed to be attached to 2.
Further, in the holding portion 31 of the sash 3, the tip portion of the door outer panel 21 of the sash 3 located on the opposite side of the engaging portion 32 is elastically deformed in a state of being in contact with the inner surface of the door outer panel 21. The lip portion 33 to be formed is integrally molded. The lip portion 33 is integrally molded by, for example, a two-color molding method in which different resin materials having greater elasticity than the holding portion 31 are heat-sealed in the same mold, and the base end of the holding portion 31 is formed. It is projected from the side surface toward the outside of the passenger compartment.

Therefore, the engaging portion 32 of the sash 3 is engaged in a state of covering the tip portion of the end portion 22a of the door inner panel 22, and the tip portion of the lip portion 33 of the sash 3 is pressed against the inner surface of the door outer panel 21. The sash 3 is brought into contact with the door in a state, and the sash 3 is sealed with a high holding force without creating a gap between the door inner panel 22 and the door outer panel 21. Further, the component tolerance is absorbed by the lip portion 33 that elastically deforms when it comes into contact with the inner surface of the door outer panel 21.

As described above, the vehicle door structure according to the embodiment of the present invention is applied to the front side door 1 composed of the door outer panel 21 and the door inner panel 22, and the vehicle is moved up and down on the front side of the front side door 1. A sash 3 provided along the direction and provided between the door outer panel 21 and the door inner panel 22 and having a U-shaped cross-section holding portion 31 for holding the glass run 5 is provided. An engaging portion 32 that engages so as to cover the end portion 22a of the door inner panel 22 is provided on the front end side side surface of the holding portion 31 of the door 3, as shown by arrows B in FIGS. 1 and 2. When the vehicle is traveling at high speed, the wind flows between the door mirror 4 and the door mirror base 41 while increasing the flow velocity, so that even if the rear end of the door mirror base 41 becomes negative pressure, the resin sash 3 is engaged. The portion 32 is engaged in a state of being covered with the end portion 22a of the door inner panel 22, and there is no gap between the resin sash 3 and the end portion 22a of the door inner panel 22. As shown by the arrow A2, it is possible to suppress the flow of air from the vehicle interior side to the vehicle interior side, and it is possible to suppress a part of the air from entering the vehicle interior side from the vehicle interior side. Therefore, according to the door structure of the present embodiment, it is possible to suppress the generation of wind noise generated when the vehicle travels at high speed, reduce the level of wind noise, improve NVH performance, and improve the livability in the vehicle interior. it can.

Moreover, in the door structure of the present embodiment, unlike the conventional door structure, an adhesive is applied between the sash and the outer panel in order to fill the gap between the sash and the outer panel, and the negative pressure of the wind is sucked out. In addition to eliminating the need for measures to prevent wind noise, it is also unnecessary to attach an EPT SEALER to a location near the gap to prevent the generation of wind noise in order to close the gap between the sash and the inner panel. Therefore, according to the door structure of the present embodiment, the work for filling the gap between the sash and the outer panel or the inner panel is not performed, and no costly adhesive or ept sealer is used, so that the productivity of the vehicle is improved. And cost reduction can be achieved.

Further, in the door structure of the present embodiment, the tip portion abuts on the inner side surface side of the door outer panel 21 of the resin sash 3 located on the opposite side of the engaging portion 32, and the tip portion abuts on the inner side surface of the end portion 21a of the door outer panel 21. The lip portion 33, which elastically deforms in this state, protrudes toward the outside of the passenger compartment and is integrally molded, and the tip portion of the lip portion 33 is in contact with the inner surface of the door outer panel 21 in a pressed state, and is therefore made of resin. Even if there is no gap between the sash 3 and the end 21a of the door outer panel 21 and the rear end of the door mirror base 41 becomes negative pressure during high-speed traveling of the vehicle, as shown by arrow A1 in FIG. It is possible to suppress the flow of air from the vehicle interior side to the vehicle interior side, and it is possible to suppress a part of the air from entering the vehicle interior side from the vehicle interior side. Therefore, it is possible to further suppress the generation of wind noise generated when the vehicle travels at high speed. Moreover, since the lip portion 33, which elastically deforms when it comes into contact with the inner surface of the door outer panel 21, is integrally molded with the resin sash 3, the tolerances of the sash 3 and its peripheral parts can be absorbed, and the cost of parts and the like can be reduced.

FIG. 3 shows a vehicle door structure according to another embodiment of the present invention.
As shown in FIG. 3, the resin sash 3A of the present embodiment is formed in an L-shaped cross section in which the opening 31a is arranged on the door glass 12 side and the door outer panel 21 side and holds the glass run 5 inside. It has a holding portion 31A, and has a function as a guide rail for the door glass 12. Further, the end portion 21a of the door outer panel 21 is formed in a hem-shaped portion 21a1 in which the end portion 21a is folded back toward the vehicle interior side and the vehicle front side and overlapped with the inner side surface. The base end portion 5a of the glass run 5 is configured to be hooked and engaged.
As described above, in the vehicle door structure according to the embodiment of the present invention, the end portion 21a of the door outer panel 21 is formed in the hem-shaped portion 21a1, and the base end portion 5a of the glass run 5 is formed in the hem-shaped portion 21a1. Since it is configured to engage, the hem-shaped portion 21a1 and the glass run 5 can close the gap between the sash 3 and the end portion 21a of the door outer panel 21, and the wind generated when the vehicle travels at high speed. It is possible to suppress the generation of noise and further improve the NVH performance.
Other configurations and effects are the same as those of the door structure of the above embodiment.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and modifications can be made based on the technical idea of the present invention.

For example, in the above-described embodiment, the engaging portion 32 is provided so as to engage with the tip end portion 22a of the end portion 22a of the door inner panel 22, but the engaging portion 32 may be provided depending on the applicable vehicle type and the like. It may be provided so as to engage with the tip end portion of the end portion 21a of the door outer panel 21 on the opposite side. In this case, the lip portion 33 is integrally molded on the inner side surface side of the door inner panel 22 of the sash 3 located on the side opposite to the engaging portion 32.
Alternatively, the engaging portion 32 may be provided on either side so as to engage with the tip portion of the end portion 22a of the door inner panel 22 and the tip portion of the end portion 21a of the door outer panel 21. In this case, the lip portion 33 can be omitted.

1 Front side door 2 Door panel 2a Panel body 2b Sash part 3, 3A Sash 4 Door mirror 5 Glass run 6 Fastening screw 7 Nut 11 Door window opening 12 Door glass 21 Door outer panel 21a Door outer panel end 21a 1 Hem-shaped part 22 Door inner Panel 22a Door inner panel end 31, 31A Holding part 31a Opening 31b, 31c Accommodating part 31d Step part 32 Engaging part 33 Lip part

Claims (2)

The door outer panel and door inner panel that make up the door panel of the side door,
A sash having an L-shaped cross section or a U-shaped cross section that is provided along the vehicle vertical direction on the front side of the side door and is located between the door outer panel and the door inner panel and holds a glass run. In the door structure of the vehicle
A door mirror base is provided at a position where it overlaps with the sash in a side view.
The sash is made of resin material
The sash is provided with an engaging portion that engages so as to cover the end of the door inner panel .
The engaging portion is provided on the outer surface side of the door inner panel of the sash, and the tip portion thereof is on the inner side surface side of the door outer panel of the sash located on the opposite side of the engaging portion. A vehicle door structure characterized in that a lip portion that elastically deforms when in contact with the inner surface of the door is integrally molded. The sash has an L-shaped cross section, the end portion of the door outer panel is formed in a hem-shaped portion, and the hem-shaped portion is configured to engage the glass run. The vehicle door structure according to claim 1.

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