JP5146818B2 - Vehicle door structure - Google Patents

Description

  The present invention relates to a vehicle door structure, and more particularly to a door inner panel structure in a stopper rubber mounting portion that prevents an overstroke during a door closing operation.

  In order to prevent the door panel from coming into contact with the side body due to an overstroke when the vehicle door is closed, a stopper rubber is provided on the door inner panel serving as the indoor side surface of the door panel (Patent Document 1). reference). Generally, a door panel has a hollow structure in which a door outer panel and a door inner panel are joined at the periphery, and a lift glass is slidably guided in the vertical direction at an intermediate portion between the door outer panel and the door inner panel. In some cases, a sash that is fixed to the door inner panel of the sash is disposed close to the stopper rubber.

  In such a door structure, a reaction force (indicated by R in FIG. 4) toward the outside of the vehicle compartment generated by the stopper rubber coming into contact with the side body due to the overstroke at the time of closing the door, An inertial force (indicated by F in FIG. 4) acting on the vehicle interior side generated by the weights of the elevating glass and the sash components acts. These two forces in the opposite directions are applied to the stopper rubber mounting portion and the sash fastening fixing portion that are close to each other, so that a large shear stress is locally generated in these portions, and the door inner panel is cracked. There was concern that it would cause

JP 2006-159987 A

  The present invention has been made in view of such a situation, and an object of the present invention is to provide a door with a simple configuration and a force in the opposite direction acting on the stopper rubber mounting portion and the sash fastening fixing portion when the door is closed. An object of the present invention is to provide a vehicle door structure that can improve the strength against shearing stress generated in an inner panel and can prevent the occurrence of cracks in the portion.

In order to solve the above-described problems of the prior art, the present invention is configured such that a door outer panel and a door inner panel are joined at their peripheral portions, and a sash portion defining a window opening is formed on the upper portion thereof, and the door comprising an outer panel and an intermediate section lower sash door panel inside continues below the sash for vertically movably guided lifting glass and said door inner panel, the lower end portion of the lower sash is threaded fastening member via the bracket is fixed to the door inner panel by engagement fastening, the adjacent fastened portion of the lower sash bottom portion of the door inner panel, a vehicle door stopper rubber to prevent over-stroke during the door closing operation is attached in structure, the door inner panel, wherein the fastening fixing portion of the lower sash bottom end stopper Provided bead shape portion extending adjacent to and over their installation range to the mounting portion of the Gomu.

Further, in the present invention, the bead shape portion was assumed to be formed adjacent to their both sides and a mounting portion of the stopper rubber and the fastening fixing portion of the lower sash bottom end.

  Since the vehicle door structure according to the present invention is configured as described above, the bead shape portion increases the shear strength and rigidity between the stopper rubber mounting portion and the sash fastening fixing portion, and acts on these portions. Since the stress is dispersed in the bead-shaped portion, it is possible to prevent the occurrence of cracks in the door inner panel. In addition, since the bead-shaped portion can be formed at the time of press molding of the door inner panel, it can be handled with only a slight change of the press die.

Further, in the present invention, the bead shape portion, wherein the lower sash lower end of the fastening fixing portion and embodiments are formed adjacent to both sides thereof across the mounting portion of the stopper rubber, either side of the bead shape shear strength and rigidity is enhanced further between the fastened portion of the stopper rubber mounting portion and the lower sash bottom section by section, and by stress acting on these sites are dispersed in a bead-shaped portion on both sides, the door The effect of preventing overstroke can be stably exhibited even with respect to the inclination of the wire and changes in the stress direction.

Hereinafter, the present invention will be described in detail based on illustrated embodiments.
FIG. 1 is a side view showing an automobile provided with a door 1 (front door) in which the door structure according to the present invention is implemented, FIG. 2 is a side view of the door 1 viewed from the vehicle interior side, and FIG. It is the A section enlarged view. As shown in FIG. 4 which is a BB cross-sectional view of FIG. 3, the door 1 forms a door outer panel 2 forming a surface of the door 1 outside the vehicle compartment and a surface of the door 1 on the vehicle compartment side. The door inner panel 3 is mainly composed of a door panel having an intermediate structure integrally joined by hemming or the like at the peripheral portion with the intermediate portion thereof being separated, and a window opening 10 is defined on the upper portion thereof. This is a sash-integrated door in which the formed sash portion 11 is integrally formed.

  As shown in FIG. 2, the front portion of the window opening 10 is partitioned by a partition sash 12, and a fixed triangular window 13 is provided, while the rear of the partition sash 12 can be opened and closed vertically. Elevating glass 14 is disposed. The interior side surface of the inner panel 3 below the window opening 10 is covered with a door trim 4 formed of a resin molded product, and a weather strip 5 is provided along the peripheral edge of the door inner panel 3. Yes.

  Lower sashes 15 and 16 are extended in the vertical direction inside the door panels (2 and 3) and in the middle part between the door outer panel 2 and the door inner panel 3 following the partition sash 12 and the rear sash 11b. ing. By being guided by the glass run 17 fitted to these sashes 12, 11b, 15, and 16, the elevating glass 14 can be raised and lowered and stored inside the door panel. The lower sashes 15 and 16 are fixed to the door inner panel 3 by fastening members (bolts) at two upper and lower portions, respectively, but only the fastening member 18 for fixing the lower end portion of the rear lower sash 16 is shown in FIG. The other fastening member is disposed in a portion covered with the door trim 4.

  The door 1 configured as described above is attached to the door opening portion of the vehicle body through hinge mechanisms 6 and 6 at the edge portion on the front side of the vehicle so as to be openable and closable in the closed position. The lock mechanism 7 disposed at the edge of the vehicle rear side located on the opposite side of the vehicle is engaged with a striker (not shown) provided on the vehicle body side so as to be held in a closed state. . A stopper rubber 8 is attached below the lock mechanism 7 of the door inner panel 3 to prevent overstroke when the door 1 is closed.

  The stopper rubber 8 is formed of a molded product of a flexible elastic material such as rubber. As shown in FIGS. 4 and 5, the stopper rubber 8 has a tapered cylindrical mounting portion 8b at the center of the bottom surface of the main body portion having a substantially truncated cone shape. The mounting portion 8b is fixed to the inner panel 3 by being inserted into a mounting hole formed in the mounting seat surface 32 of the inner panel 3.

  The mounting seat surface 32 of the stopper rubber 8 is provided adjacent to the fastening seat surface 31 of the fastening member 18 that fastens and fixes the lower end portion of the lower sash 16 described above. The sash fastening seat surface 31 is a recessed surface that is recessed toward the outside of the vehicle compartment with respect to the stopper rubber mounting seat surface 32 and the surrounding door inner panel flat surface 3a, and is inserted into a hole drilled in the center thereof. The lower end portion of the lower sash 16 is fixed to the sash fastening seat surface 31 by screwing and fastening the fastening member 18 (bolt) to the fastening portion 16c (nut) of the bracket 16b provided at the lower end portion of the lower sash 16. .

  With the configuration in which the sash fastening seat surface 31 and the stopper rubber mounting seat surface 32 are disposed adjacent to each other as described above, the inertial force of the elevating glass 14 and the sash components when the door 1 is closed as shown in FIG. The impact load F applied to the sash fastening seating surface 31 due to F is reliably transmitted to the stopper rubber 8 disposed adjacent thereto and can be received by the side body 9. However, between the sash tightening seat surface 31 and the stopper rubber mounting seat surface 32, shear stress due to impact load F and reaction force R acting in opposite directions is caused due to the displacement of the positions. As already mentioned.

  Therefore, in the door structure of the present invention, the bead-shaped portion 33 that extends over the installation range of each of the seat surfaces 31, 32 is adjacent to the upper and lower sides of the sash fastening seat surface 31 and the stopper rubber mounting seat surface 32. , 34 (convex shape) are provided on the door inner panel 3.

  Each of the bead-shaped portions 33 and 34 is composed of a flat top surface protruding toward the vehicle interior side with respect to the door inner panel 3 and inclined surfaces on both sides thereof, and is flat on the center side of the door inner panel 3. While gently rising so as to surround the sash fastening seat surface 31 from the surface 3a, the peripheral side of the door inner panel 3 terminates at a step surface 3b.

  By providing the bead-shaped portions 33 and 34, the rigidity around the sash fastening seat surface 31 and the stopper rubber mounting seat surface 32 is improved, and is generated between the seat surfaces 31 and 32 when the door 1 is closed. Since the shear stress is dispersed in the bead-shaped portions 33 and 34, it is possible to prevent the occurrence of deformation and cracks in these portions.

As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment, A various deformation | transformation and change are possible based on the technical idea of this invention.
For example, in the above-described embodiment, the case where the two bead-shaped portions 33 and 34 adjacent to both sides of the sash tightening seat surface 31 and the stopper rubber mounting seat surface 32 are provided has been described. It can also be provided only on one of the upper and lower sides of 32.

It is a side view which shows the motor vehicle provided with the door by which this invention is implemented. It is the side view which looked at the door by which this invention is implemented from the vehicle interior side. It is the A section enlarged view of FIG. It is BB sectional drawing of FIG. It is the principal part perspective view seen from the C direction of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door 2 Door outer panel 3 Door inner panel 4 Door trim 5 Weather strip 6 Hinge mechanism 7 Lock mechanism 8 Stopper rubber 9 Side body 10 Window opening 11 Sash part 14 Lift glass 15, 16 Lower sash 17 Glass run 18 Fastening member (bolt, Fastening and fixing part)
31 Sash tightening seat 32 Stopper rubber mounting seat (mounting part)
33, 34 Bead shape part

Claims (2)

The door outer panel and the door inner panel are joined at their peripheral portions, and a sash portion that defines a window opening is formed on the upper portion thereof, inside the door panel at an intermediate portion between the door outer panel and the door inner panel comprising a lower sash which vertically movably guided lifting glass continues below the sash, the lower end portion of the lower sash is fixed to the door inner panel by screwing the fastening of the fastening member via a bracket, the door inner panel of adjacent fastened portion of the lower sash bottom end, in the vehicle door structure stopper rubber is attached to prevent the over-stroke during door closing operation,
To the door inner panel, a vehicle, characterized in that a bead shaped portion extending adjacent to and over their installation range to the mounting portion of the stopper rubber and the fastening fixing portion of the lower sash bottom end Door structure. The bead-shaped section, vehicle door according to claim 1, characterized in that it is formed adjacent to their both sides and a mounting portion of the stopper rubber and the fastening fixing portion of the lower sash bottom end Construction.

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