JP7432149B2 - vehicle side door structure - Google Patents

Description

The present invention relates to a vehicle side door structure.

For example, as disclosed in Patent Document 1, a side door attached to the side of the vehicle body so as to open and close a door opening provided on the side of the vehicle body has a state in which the door opening is closed (closed state). ) is known as a swing-slide door that swings so as to protrude outward in the vehicle width direction and then slides rearward to open and close a door opening. In the swing-slide door, the side door projects parallel to the outside in the vehicle width direction and opens and closes the door opening by moving in the front-rear direction.

The swing slide door of the above example includes a parallel link on the vehicle body side, with one end of the front arm and the rear arm rotatably supported on a rail receiving bracket when the door is opened and closed. Further, the swing slide door of this example includes a door sliding mechanism that slidably attaches a rail provided on the inner wall of the inner panel to a rail receiving bracket. In the structure of this example, by setting the closed position of the side door in a state where the side door has a displacement component in the longitudinal direction of the vehicle body due to the parallel link, the sealing performance between the closed position side of the side door and the vehicle body side is improved. trying to secure it.

Japanese Patent Application Publication No. 2007-341528

The inner panel of the swing slide door in the above example is provided with a bracket for supporting the door load, and a rail is attached to the bracket. The center portion of the inner panel supports the loads in the vehicle width direction and vehicle vertical direction that occur when the swing-slide door rotates.

However, in the structure of the above example, the rail is fragile and may be deformed by a load in the vehicle width direction. That is, if unintended stress concentrates on the inner panel, it may cause damage or twisting deformation, which may impair sealing performance. Therefore, the structure of the above example has room for improvement in ensuring the sealing performance of the swing-slide door.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicle side door structure that can improve sealing performance in a swing-slide door.

A vehicle side door structure according to the present invention for achieving the above object includes an inner panel rotatably supported by a link member connected to a side portion of the vehicle body, and the inner panel is provided with an opening. It is being In the vehicle side door structure, a belt line portion extending in the longitudinal direction of the vehicle is provided on the vehicle upper side of the opening of the inner panel, and a belt line portion extending in the vehicle longitudinal direction is provided on the vehicle lower side of the opening. A lower step portion is provided that protrudes inward and extends in the vehicle longitudinal direction, and a vertical member extending in the vehicle vertical direction is provided at an intermediate portion of the opening in the vehicle longitudinal direction on the vehicle outer side of the inner panel. , an upper part of the vertical member is joined to the belt line part, a lower part of the vertical member is joined to the lower step part, and a center part on the inside of the inner panel that crosses the opening in the vertical direction of the vehicle. A panel is provided, and the link member includes an upper support part joined to the vertical member, a lower support part joined to the vertical member located below the vehicle of the upper support part, the upper support part and an intermediate support part provided on the vehicle front side or the vehicle rear side of the lower support part, joined to the center panel, and located between the upper support part and the lower support part; The center panel is configured to connect at least one of the upper support part and the lower support part to the intermediate support part.

According to the present invention, sealing performance can be improved in a swing slide door.

1 is a top view of an embodiment of a vehicle side door structure according to the present invention, showing a state where the side door is in the middle of being opened. FIG. 2 is a side view of the side door of FIG. 1 in a closed state, viewed from inside the vehicle. FIG. 4 is a side view of the side door of FIG. 3 viewed from the outside of the vehicle. FIG. 2 is a side view showing the side door of FIG. 1 alone, with the link member extending in the vehicle width direction. 4 is a cross-sectional view schematically showing a cross section taken along the line AA in FIG. 3. FIG. 3 is a cross-sectional view schematically showing a cross section taken along the line BB in FIG. 2. FIG.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle side door structure for a vehicle according to the present invention will be described below with reference to the drawings (FIGS. 1 to 6). In addition, in the figure, the arrow Fr direction indicates the front in the vehicle longitudinal direction. The "front part (front end) and rear part (rear end)" in the description of the embodiment correspond to the front part and the rear part in the longitudinal direction of the vehicle. Further, the arrow In indicates the inside of the vehicle (inside in the vehicle width direction).

As shown in FIG. 1, the side door 1 of this embodiment is a swing-slide door in which the side door 1 protrudes parallel to the outside in the vehicle width direction and opens and closes by moving in the front-rear direction. Hereinafter, in this embodiment, a swing-slide type door will be referred to as a side door 1 and will be described. The side door 1 is rotatably connected to the side of the vehicle body by a link member so as to open and close a door opening 51 provided on the side of the vehicle body.

As shown in FIGS. 1 to 4, the side door 1 of this embodiment includes an inner panel 10, an outer panel 18, link members 30 and 40, a vertical member 21, a center panel 23, a door member 25, and a front side It has a reinforcement 27 and a rear reinforcement 28. Each member will be explained below.

The inner panel 10 and the outer panel 18 are parts that constitute the main body of the side door 1, and as shown in FIG. 4, the inner panel 10 is joined to the inner side of the outer panel 18 in the vehicle width direction. As shown in FIGS. 2 to 4, the inner panel 10 includes a window frame portion 11, a panel main body portion 12, a belt line portion 13, an opening portion 14, and a lower step portion 15. .

The window frame portion 11 is arranged above the center of the inner panel 10 in the vehicle vertical direction and on the vehicle upper side of the panel body portion 12. The belt line section 13 is provided at the upper part of the panel main body section 12 and extends in the longitudinal direction of the vehicle.

The opening 14 is a through hole provided in the panel body 12 and communicating between the inside and outside of the vehicle. In this example, the lower part of the opening 14 is located slightly below the center of the panel body 12 in the vehicle vertical direction, and the upper part of the opening 14 is located slightly below the belt line part 13. . The opening 14 extends from the rear of the panel main body 12 toward the front of the vehicle, and the front end of the opening 14 extends below the vehicle from an intermediate portion of the opening 14 in the longitudinal direction of the vehicle.

The lower step portion 15 protrudes inward from the lower end of the panel body portion 12 of the inner panel 10 on the vehicle lower side of the opening 14 and extends in the vehicle longitudinal direction. A rear step portion 16 is provided at the rear of the lower step portion 15 and extends upward from the rear portion of the vehicle.

As shown in FIG. 3, the vertical member 21 is a metal member that extends in the vertical direction of the vehicle, and is disposed on the vehicle outer side of the inner panel 10 and in the middle of the opening 14 in the vehicle longitudinal direction. The upper part of the vertical member 21 is joined to the belt line part 13, and the lower part of the vertical member 21 is joined to the lower step part 15. The center panel 23 is a metal member that extends on the inner side of the inner panel 10 so as to cross the opening 14 in the vehicle vertical direction.

The link members 30 and 40 are members that rotatably connect the vehicle body and the side door 1, and the end portion on the vehicle body side is rotatably connected to the side portion of the vehicle body, and the end portion on the door side is connected to the side door 1. 1 is supported. An upper support part 34, a lower support part 35, and an intermediate support part 44 are provided at the end on the door side, and each support part 34, 34, 44 rotatably supports the side door 1. Further, the link members 30, 40 include a front link member 30 and a rear link member 40, as shown in FIG. Details of the link members 30 and 40 will be described below.

As shown in FIGS. 1 and 2, the front link member 30 includes a front main body portion 31 and a front vehicle body connecting portion 32. The front main body portion 31 extends in the longitudinal direction of the vehicle when the door is closed, and has a predetermined width in the vertical direction of the vehicle. The front vehicle body connecting portion 32 is attached to, for example, a quarter inner panel 50 on the side of the vehicle body. The quarter inner panel 50 is a panel member disposed on the vehicle rear side of the door opening 51, and constitutes a side portion of the vehicle body. The front body connecting portion 32 has a rotating shaft 33 (FIG. 1) that extends in the vertical direction of the vehicle, and the end of the front body portion 31 on the vehicle body side is horizontally rotatable around the rotating shaft 33. , is connected to the front side vehicle body connection part 32.

The above-described upper support part 34 and lower support part 35 are provided at the door-side end of the front main body part 31, as shown in FIGS. 1 and 2. The upper support part 34 and the lower support part 35 are spaced from each other in the vehicle vertical direction and are joined to the vertical member 21 with the center panel 23 interposed therebetween. Specifically, the upper support part 34 is provided at the upper part of the door side end of the front main body part 31, and supports the vertical member 21 with an intermediate part (approximately the center) of the center panel 23 in the longitudinal direction of the vehicle interposed therebetween. It is joined at approximately the center of the inner surface in the longitudinal direction of the vehicle.

The lower support part 35 is provided at the lower part of the door-side end of the front main body part 31 and is joined to the inner surface of the vertical member 21 of the upper support part 34 located below the vehicle, with the center panel 23 interposed therebetween. ing. The upper support part 34 and the lower support part 35 each have a rotation axis (not shown) extending in the vertical direction of the vehicle, and the door-side end of the front main body part 31 rotates horizontally around the rotation axis. It is movably connected to an upper support part 34 and a lower support part 35.

As shown in FIGS. 1 and 2, the rear link member 40 includes a rear main body portion 41 and a rear vehicle body connection portion 42. Like the front body part 31, the rear body part 41 is an elongated member that extends in the longitudinal direction of the vehicle when the door is closed. The rear vehicle body connecting portion 42 is attached to the quarter inner panel 50, although detailed explanation through illustration is omitted. The rear vehicle body connecting portion 42 and the front vehicle body connecting portion 32 are arranged side by side in the vehicle longitudinal direction. The rear body connection part 42, like the front body connection part 32, has a rotation shaft 43 (FIG. 1) that extends in the vertical direction of the vehicle, and the door side end of the rear body part 41 is connected to the rotation shaft 43. It is connected to the rear vehicle body connection part 42 in a state where it can rotate horizontally around the body.

Moreover, the above-mentioned intermediate support part 44 is provided at the door-side end of the rear main body part 41, as shown in FIGS. 1 and 2. The intermediate support portion 44 in this example is provided on the vehicle rear side of the upper support portion 34 and the lower support portion 35, and is joined to the rear portion of the inner surface of the center panel 23. The joint between the intermediate support portion 44 and the center panel 23 is arranged on the rear side of the vehicle relative to the vertical member 21. The intermediate support portion 44 has a rotating shaft (not shown) extending in the vehicle vertical direction, and the door-side end of the rear main body portion 41 is horizontally rotatable around the rotating shaft. The intermediate support portion 44 is connected to the intermediate support portion 44 .

The center panel 23 of this embodiment is configured to connect at least one of the upper support section 34 and the lower support section 35 and the intermediate support section 44 . In this example, the central panel 23 is configured to connect both the upper support section 34 and the lower support section 35 to the intermediate support section 44 . The upper support part 34 is arranged at the front and upper side of the vehicle (diagonally upward front) with respect to the intermediate support part 44 , and the lower support part 35 is arranged at the front and lower side of the vehicle (diagonally upward) with respect to the intermediate support part 44 . It is placed diagonally downward).

As described above, by joining the vertical member 21 from the belt line portion 13 to the lower step portion 15, the rigidity of the vertical member 21 in the vertical direction of the vehicle is improved against the load acting on the vertical member 21. Since the upper support part 34 and the lower support part 35 are joined to the vertical member 21, the load of the side door 1 in the vertical direction of the vehicle can be effectively supported.

Further, when a load in the rotational direction is input to the side door 1, loads in the vehicle longitudinal direction and the vehicle width direction are input to the intermediate support portion 44. On the other hand, in this embodiment, the center panel 23 connects the upper support part 34, the lower support part 35, and the intermediate support part 44. Therefore, even if the intermediate support part 44 tries to move in the vehicle longitudinal direction and the vehicle width direction, the upper support part 34 and the lower support part 35 will pull the intermediate support part 44 in the above-mentioned inclined direction via the center panel 23. Since the intermediate support portion 44 is supported by the intermediate support portion 44, movement of the intermediate support portion 44 is suppressed. This suppresses deformation of the side door 1, and as a result, sealing performance is maintained.

Further, as shown in FIG. 3, the upper part of the central panel 23 of this embodiment is joined to the upper part of the opening 14, and the lower part of the central panel 23 is joined to the lower part of the opening 14. Since the upper and lower ends of the center panel 23 are joined to the inner panel 10, the center panel 23 is pulled diagonally upward when the intermediate support section 44 moves in the vehicle width direction. As a result, the intermediate support portion 44 can be stably supported by the center panel 23. This suppresses deformation of the side door 1 and maintains sealing performance.

Further, as shown in FIG. 3, the door member 25 of this embodiment is a metal member that extends in the vehicle longitudinal direction so as to cross the opening 14 in the vehicle longitudinal direction, and is disposed on the vehicle outer side of the vertical member 21. There is. The door member 25 is arranged to cross substantially the center of the center panel 23 in the vertical direction of the vehicle, and is joined to the intermediate support portion 44 with the center panel 23 interposed therebetween.

Further, the front reinforcement 27 is a metal member that extends in the vehicle vertical direction, and is joined to the outer surface of the panel main body 12 located on the vehicle front side of the opening 14. The front end of the front reinforcement 27 is arranged near the front end of the panel main body 12 , and the rear end of the front reinforcement 27 is arranged near the front edge of the opening 14 . The upper end of the front reinforcement 27 is disposed above the panel main body 12, and the lower end is disposed slightly above the vehicle than the lower end of the opening 14.

Like the front reinforcement 27, the rear reinforcement 28 is a metal member that extends in the vehicle vertical direction, and is joined to the outer surface of the panel main body 12 located on the vehicle rear side of the opening 14. . The front end of the rear reinforcement 28 is arranged near the rear edge of the opening 14. The rear end of the rear reinforcement 28 is arranged near the rear end of the panel main body 12. Further, the upper end of the rear reinforcement 28 is located above the belt line portion 13 in the vehicle and at the rear of the window frame portion 11 at an intermediate portion in the vertical direction of the vehicle. The lower end of the rear reinforcement 28 is arranged near the lower end of the door member 25.

In this embodiment, the front part of the door member 25 is joined to the rear intermediate part of the front reinforcement 27 in the vertical direction of the vehicle. Moreover, the rear part of the door member 25 is joined to the lower part of the front part of the rear reinforcement 28.

As described above, since the front reinforcement 27 and the rear reinforcement 28 are joined to the door member 25, when a load is input to the intermediate support portion 44 in the vehicle width direction, the door member 25 is also The load in the width direction is input. When the door member 25 deforms in the vehicle width direction, a tensile load is input from the door member 25 to the front reinforcement 27 and the rear reinforcement 28 in the vehicle longitudinal direction. As a result, the intermediate support portion 44 can be supported by the door member 25, and deformation of the side door 1 can be effectively suppressed.

As shown in FIGS. 3 and 6, a reinforcing portion extending in the longitudinal direction of the vehicle is provided at an intermediate portion of the door member 25 in the vertical direction of the vehicle. The reinforcing portion in this example is a member bead portion 25a in which a central portion of the outer surface of the door member 25 in the vehicle vertical direction protrudes outward in the vehicle width direction and extends in the vehicle longitudinal direction. The member bead portion 25a extends from the intermediate support portion 44 to the rear reinforcement 28, and in this example, extends from the front end of the door member 25 via the intermediate support portion 44 to the rear end.

A load from the door member 25 in the longitudinal direction of the vehicle is input to the front reinforcement 27 or the rear reinforcement 28 . By providing the member bead portion 25a, the rigidity of the door member 25 in the vehicle width direction and the vehicle longitudinal direction is improved, so that deformation of the inner panel 10 of the side door 1 can be suppressed more effectively.

Further, in this embodiment, as shown in FIGS. 4 and 6, a recess 23a that is recessed toward the outside of the vehicle is provided on the inner surface of the center panel 23 located around the intermediate support portion 44. In this example, the recess 23a is provided at approximately the center of the rear portion of the center panel 23 in the vertical direction of the vehicle. Further, a panel bead 23b extending from the recess 23a to the front end of the center panel 23 is provided at the center portion of the inner surface of the center panel 23 in the vehicle vertical direction. The periphery of the intermediate support portion 44 is reinforced by the recessed portion 23a, and the load in the vehicle width direction and the vehicle longitudinal direction can be supported by the center panel 23. Furthermore, by forming the panel bead 23b so as to be continuous with the recess 23a, the rigidity of the center panel 23 in the vehicle longitudinal direction can be increased.

In this embodiment, as shown in FIGS. 3 and 5, the front and rear parts of the outer surface of the vertical member 21 include a front vertical wall part (vertical wall part) 21a that is bent inward of the vehicle and extends in the vertical direction of the vehicle; A vertical wall portion (vertical wall portion) 21b is provided. The front vertical wall portion 21a and the rear vertical wall portion 21b extend from the joint between the vertical member 21 and the belt line portion 13 toward the upper support portion 34. Further, although explanations with illustrations are omitted, the front vertical wall portion 21a and the rear vertical wall portion 21b connect the joint portion between the vertical member 21 and the lower step portion 15 and the lower support portion 35. The opening 14 is also provided on the lower side of the vehicle.

When a load in the vehicle width direction is input to the intermediate support portion 44, a force is generated that tends to rotate the vertical member 21 about the upper support portion 34 as an axis. That is, the vertical member 21 is twisted due to the input of the load. On the other hand, by providing the front vertical wall portion 21a and the rear vertical wall portion 21b as described above, it is possible to suppress torsional deformation. Note that the vertical wall portion provided on the vertical member 21 may be either one of the front vertical wall portion 21a and the rear vertical wall portion 21b.

The description of this embodiment is an example for explaining the present invention, and does not limit the invention described in the claims. Further, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope of the claims.

In this embodiment, the intermediate support section 44 is arranged on the vehicle rear side of the upper support section 34 and the lower support section 35, but the present invention is not limited thereto. The intermediate support part 44 may be arranged on the vehicle front side of the upper support part 34 and the lower support part 35. In this case, the intermediate support part 44 may be provided at the end of the front link member 30 on the door side, and the upper support part 34 and the lower support part 35 may be provided at the end of the rear link member 40 on the door side.

Further, when the intermediate support part 44 is disposed in front of the upper support part 34 and the lower support part 35 in the vehicle, the reinforcement part of the door member 25 should be configured to extend from the intermediate support part 44 to the front reinforcement 27. Bye. Further, in this case, it is preferable that the recess 23a of the center panel 23 is arranged at the front part of the center panel 23, and the panel bead 23b is provided so as to extend from the recess 23a to the rear end of the center panel 23.

Moreover, although the reinforcement part of this embodiment is the member bead part 25a provided integrally with the door member 25, it is not limited to this. The reinforcing portion may be a reinforcing member separate from the door member 25. In this case, the reinforcing member may be a member having a hat-shaped cross section and extending in the longitudinal direction of the vehicle, and the outer surface of the door member 25 and the reinforcing member may form a closed cross section.

1 Side door 10 Inner panel 11 Window frame portion 12 Panel main body portion 13 Belt line portion 14 Opening portion 15 Lower step portion 16 Rear step portion 18 Outer panel 21 Vertical member 21a Front vertical wall portion (vertical wall portion)
21b Rear vertical wall part (vertical wall part)
23 Central panel 23a Recessed portion 23b Panel bead 25 Door member 25a Member bead portion (reinforced portion)
27 Front reinforcement 28 Rear reinforcement 30 Front link member 31 Front main body part 32 Front vehicle body connection part 33 Rotating shaft 34 Upper support part 35 Lower support part 40 Rear link member 41 Rear main body part 42 Rear vehicle body Connecting portion 44 Intermediate support portion 50 Quarter inner panel 51 Door opening

Claims (6)

A vehicle side door structure comprising an inner panel rotatably supported by a link member connected to a side portion of the vehicle body, the inner panel being provided with an opening,
A belt line portion extending in the vehicle longitudinal direction is provided on the vehicle upper side of the opening of the inner panel, and a belt line portion extending in the vehicle longitudinal direction is provided on the vehicle lower side of the opening. A lower stepped portion extending from the bottom is provided,
A vertical member extending in the vertical direction of the vehicle is provided at an intermediate portion of the opening in the vehicle longitudinal direction on the vehicle outer side of the inner panel, and an upper portion of the vertical member is joined to the belt line portion. The lower part is joined to the lower step part,
A center panel is provided on the inside of the vehicle of the inner panel and extends across the opening in the vehicle vertical direction,
The link member includes an upper support part joined to the vertical member, a lower support part joined to the vertical member located below the upper support part in the vehicle, the upper support part and the lower support part. an intermediate support part provided on the front side of the vehicle or the rear side of the vehicle, joined to the center panel, and located between the upper support part and the lower support part ;
A vehicle side door structure, wherein the center panel is configured to connect at least one of the upper support part and the lower support part to the intermediate support part. The vehicle side door structure according to claim 1, wherein an upper part of the central panel is joined to an upper part of the opening, and a lower part of the central panel is joined to a lower part of the opening. A door member extending in the longitudinal direction of the vehicle is provided on the vehicle outer side of the vertical member,
The door member is joined to the intermediate support part,
On the outside of the vehicle of the inner panel, a front reinforcement is joined to the vehicle front side of the opening, and a rear reinforcement is joined to the vehicle rear side of the opening,
The vehicle according to claim 1 or 2, wherein a front part of the door member is joined to the front reinforcement, and a rear part of the door member is joined to the rear reinforcement. Side door structure. A reinforcing portion extending in the longitudinal direction of the vehicle is provided at an intermediate portion of the door member in the vertical direction of the vehicle,
The vehicle side door structure according to claim 3, wherein the reinforcing portion extends so as to connect at least one of the front reinforcement and the rear reinforcement and the intermediate support portion. . The intermediate support portion is joined to the vehicle inner side of the center panel,
The center panel located around the intermediate support portion is provided with a recessed portion recessed toward the outside of the vehicle,
The vehicle side door structure according to any one of claims 1 to 4, wherein the center panel is provided with a bead extending toward the front or rear of the vehicle from the recess. A vertical wall portion that is bent toward the inside of the vehicle and extends in the vertical direction of the vehicle is provided on at least one of the front and rear portions of the outer surface of the vertical member,
Any one of claims 1 to 5, wherein the vertical wall portion extends from a joint between the vertical member and the inner panel toward the upper support portion or the lower support portion. The vehicle side door structure described in item (1).