JP4466229B2 - Body seal structure - Google Patents

Description

  The present invention relates to a vehicle body seal structure, and more particularly to a vehicle body seal structure in which a sealant applied to the vehicle interior side communicates with a sealant applied to the vehicle interior side.

In vehicles such as automobiles, the vehicle body is formed by joining a plurality of vehicle body panels, and a sealant is applied to the joints between the vehicle body panels and the gaps between the vehicle body panels to ensure water tightness. (For example, refer to Patent Document 1).
Japanese Patent Laid-Open No. 6-211159

  However, in the conventional example, the sealant applied from the vehicle interior side and the sealant applied from the vehicle interior side are difficult to continuously communicate with each other. Since the wrapping range with the agent is secured to 50 mm to 100 mm, there is a problem that the required amount of sealant applied increases.

  Moreover, since it is difficult to apply the sealant in the painting process, since the sealant is applied in the vehicle body process, there is a problem that the cost of the sealant increases.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle body seal structure that requires a small amount of sealant and can reduce costs.

In order to achieve the above object, the seal structure for a vehicle body according to the present invention joins the corner portion of the floor side from the vehicle interior side to the bent portion of the wheel house inner via the extension wheel house inner , In a vehicle body seal structure in which a sealant is applied to the joint from the vehicle interior side and the vehicle interior outside, a convex portion is provided at a corner of the floor side, and the convex portion is provided at a bent portion of the wheel house inner facing the convex portion. A wheel house side notch extending to the upper surface of the portion is formed , and the upper end of the wheel house inner side notch is disposed above the upper surface of the convex portion and the upper end of the extension wheel house inner, and the extension wheel house inner by placing the upper end below the upper surface of the convex portion, extent and-out these wheel house side notch Between ® emission wheel house inner upper surface of the upper end and the convex portion, is characterized in that a guide passage for communicating the interior side of the vehicle of the sealant and the vehicle exterior side of the sealant.

  According to the vehicle body seal structure of the present invention, the sealant applied from the vehicle compartment side and the sealant applied from the vehicle compartment outside are continuously coupled via the conduction path, so that watertightness is achieved. It can certainly be improved. Further, it is possible to reduce the wrapping range in which the sealing agent from the vehicle interior side and the sealing agent from the vehicle interior side are applied in an overlapping manner, and the cost can be reduced.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is an exploded perspective view of a wheel house assembly to which a vehicle body seal structure according to an embodiment of the present invention is applied.

  The wheel house assembly 1 includes a wheel house outer 3 that is disposed on the outer side in the vehicle width direction and extends along the vehicle front-rear direction, and a wheel house inner 5 that is opposed to the inner side in the vehicle width direction of the wheel house outer 3. The wheel house inner 5 includes a floor side 7 and an extension wheel house inner 9 disposed at the rear end of the wheel house inner 5.

  A wheel house joint flange 11 is formed on the outer periphery of the upper portion of the wheel house outer 3, and is joined to a wheel house joint flange 13 formed on the outer periphery of the wheel house inner 5. A floor side joining flange 15 is formed at the lower end of the rear end portion of the wheel house inner 5. The floor side joint flange 15 is provided at the rear end of the wheel house inner 5 and extends in the vehicle front-rear direction, and the front flange extends from the front end of the rear end flange 17 by bending inward in the vehicle width direction. 19, and a bent portion 21 is constituted by the rear end flange 17 and the front flange 19. An inverted U-shaped wheel house-side notch 23 having an opening on the lower side is formed at the lower end portion of the rear end flange 17 of the floor side joining flange 15.

  FIG. 2 is a perspective view showing the floor side of FIG.

  The floor side 7 is formed in a substantially L shape in a side view formed integrally from an upper surface 25 extending substantially horizontally and a side surface 27 bent downward from an end of the upper surface 25 in the vehicle width direction. Plate-shaped panel. On the front side of the vehicle, a front flange 29 is provided which is brought into contact with and joined to the front flange 19 of the floor side joining flange 15. A corner portion 31 is formed in contact with the bent portion 21 of the portion. The corner portion 31 is provided with a convex portion 33 projecting obliquely forward, and the upper surface 35 of the convex portion 33 is formed as an inclined surface extending obliquely downward.

  FIG. 3 is a perspective view showing the extension wheel house inner of FIG.

  The extension wheel house inner 9 is formed in a substantially L shape in plan view from a vertical surface 37 extending in the vehicle longitudinal direction and a front surface 39 extending from the front end of the vertical surface 37 inward in the vehicle width direction. A substantially V-shaped extension-side notch 41 is formed on the top of 39. An upper end flange 43 is formed at the upper end of the extension wheel house inner 5.

  FIG. 4 is a perspective view showing a main part of the wheel house assembly according to the embodiment of the present invention, and the wheel house outer is omitted for the sake of clarity.

  The wheel house assembly 1 includes a floor side 7, an extension wheel house inner 9, and a wheel house inner 5. A wheel house inner 5 is disposed on the outermost side in the vehicle width direction and on the front side, and a floor side 7 is disposed on the inner side in the vehicle width direction and on the rear side, between the wheel house inner 5 and the floor side 7. Is provided with an extension wheel house inner 9.

  That is, the front side flange 29 and the corner portion 31 of the floor side 7 are joined to the back side of the floor side joining flange 15 of the wheel house inner 5 via the upper end flange 43 of the extension wheel house inner 9.

  Further, a sealant 45 is applied to the upper end of the joint portion between the wheel house inner 5 and the floor side 7 from the vehicle interior side, and the outer periphery of the front surface 39 of the extension wheel house inner 9, the wheel house inner 5, and the extension wheel. A sealant 47 is applied to the side edges of the house inner 9 and the floor side 7 from the outside of the vehicle compartment along the vertical direction.

  FIG. 5 is an enlarged cross-sectional view taken along line AA in FIG.

  As described above, the convex portion 33 of the floor side 7 is formed as an inclined surface whose upper surface 25 extends obliquely downward, extends downward from the tip 49 of the inclined surface, and is formed on the vertical wall surface 51. An escape portion 53 is formed which is recessed from the lower end of 51 inward in the vehicle width direction.

  A wheel house side notch 23 is formed at the lower end of the wheel house inner 5, and an upper end 23 a of the wheel house side notch 23 is disposed above the tip 49 of the inclined surface. And the upper end 43a of the upper end flange 43 of the extension wheel house inner 9 is arrange | positioned below the front-end | tip 49 of an inclined surface. And between the wheel house side notch 23 of the wheel house inner 5 and the upper surface 35 of the convex part 33 of the floor side 7, a conduction path 55 through which the sealant 45 can flow out is formed.

  6 is an enlarged cross-sectional view taken along line BB in FIG.

  As shown in FIG. 2, the lower side of the convex portion 33 of the floor side 7 enters the rear side and the inner side in the vehicle width direction as compared with the upper side. Therefore, as shown in FIG. 6, a conductive path 55 of the sealing agent 45 is formed slightly larger between the convex portion 33 of the floor side 7 and the extension wheel house inner 9. The sealant 45 is accommodated and communicated with the wheel house side notch 41 of the wheel house inner 5.

  FIG. 7 is an enlarged cross-sectional view taken along the line CC of FIG.

  A conduction path 55 of the sealing agent 45 is formed between the vertical wall surface 51 formed on the convex portion 33 of the floor side 7 and the front surface 39 of the extension wheel house inner 9, and the lower end of the conduction path 55 is the extension side cut. It is provided in communication with the notch 41.

  The effect by embodiment of this invention is demonstrated.

  A vehicle body seal structure in which a corner portion 31 of the floor side 7 is brought into contact with and joined to the bent portion 21 of the wheel house inner 5 from the vehicle interior side, and a sealant 45 is applied to the joint portion from the vehicle interior side and the vehicle interior outside. A convex portion 33 is provided at the corner portion 31 of the floor side 7, and a wheel house-side notch 23 extending to the upper surface 35 of the convex portion 33 is provided at the bent portion 21 of the wheel house inner 5 facing the convex portion 33. By forming, a conduction path 55 is provided between the notch 23 on the wheel house side and the upper surface 35 of the convex portion 33 to allow the seal agent 45 on the vehicle interior side and the seal agent 45 on the vehicle interior side to communicate with each other. Yes.

  For this reason, since the sealing agent 45 applied from the vehicle interior side and the sealing agent 47 applied from the vehicle interior outside are continuously coupled via the conduction path 55, the water tightness can be reliably improved. it can. Further, it is possible to reduce the lap range in which the sealant 45 from the vehicle interior side and the sealant 47 from the vehicle interior side are applied in an overlapping manner, thereby reducing the cost.

  Further, the upper surface 35 of the convex portion 33 of the floor side 7 is formed as an inclined surface extending obliquely downward toward the outer side in the vehicle width direction, and the wheel house side notch 23 is located above the tip 49 of the inclined surface. The upper end 23a is disposed.

  For this reason, even if water or the like enters the convex portion 33 on the vehicle interior side from the notch 23 on the wheel house side, the water flows from the upper surface 35 of the convex portion 33 to the outside of the vehicle compartment. Thus, the possibility of entering the upper surface 25 of the floor side 7 is greatly reduced.

  Further, an extension wheel house inner 5 is provided between the wheel house inner 5 and the floor side 7, and an extension side cutout 41 is formed in the extension wheel house inner 5, so that these extension side cutouts 41 are formed. And a top surface 35 of the convex portion 33 is provided with a conduction path 55 that allows the sealant 45 on the vehicle interior side and the sealant 47 on the vehicle interior side to communicate with each other.

  For this reason, even in the case of a vehicle body structure in which the extension wheel house inner 5 is provided to increase the connection strength between the wheel house inner 5 and the floor side 7, the sealing agent 45 applied from the vehicle interior side and the vehicle through the conduction path 55. Since the sealing agent 47 applied from the outdoor side is continuously bonded, the water tightness can be reliably improved. Further, it is possible to reduce the lap range in which the sealant 45 from the vehicle interior side and the sealant 47 from the vehicle interior side are applied in an overlapping manner, thereby reducing the cost.

1 is an exploded perspective view of a wheel house assembly to which a vehicle body seal structure according to an embodiment of the present invention is applied. It is a perspective view which shows the floor side of FIG. It is a perspective view which shows the extension wheel house inner of FIG. It is a perspective view which shows the principal part of the wheel house assembly by embodiment of this invention. It is an expanded sectional view by the AA line of FIG. It is an expanded sectional view by the BB line of FIG. It is an expanded sectional view by the CC line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 5 ... Wheel house inner 7 ... Floor side 9 ... Extension wheel house inner 21 ... Bending part 23a ... Upper end 31 ... Corner | angular part 33 ... Convex part 35 ... Upper surface 41 ... Extension side notch 45, 47 ... Sealing agent 55 ... Conducting path

Claims (3)

The corner of the floor side from the vehicle interior side is brought into contact with and joined to the bent portion of the wheel house inner via the extension wheel house inner, and a sealant is applied to the joint from the vehicle interior side and the vehicle interior outside. In the seal structure,
A convex portion is provided at a corner of the floor side, and a wheel house side notch extending to the upper surface of the convex portion is formed at a bent portion of the wheel house inner facing the convex portion , and the wheel house inner side notch The upper end is disposed above the upper surface of the convex portion and the upper end of the extension wheel house inner, and the upper end of the extension wheel house inner is disposed below the upper surface of the convex portion, thereby cutting these wheel house side cuts. A sealing structure for a vehicle body, wherein a conduction path is provided between the notch and the upper end of the extension wheel house inner and the upper surface of the convex portion to communicate the sealing agent on the vehicle interior side and the sealing agent on the vehicle interior side. The upper surface of the convex part on the floor side is formed into an inclined surface extending obliquely downward toward the outer side in the vehicle width direction, and the upper end of the notch on the wheel house side is disposed above the tip of the inclined surface , 2. The vehicle body seal structure according to claim 1, wherein an upper end of the extension wheel house inner is disposed below a tip of the inclined surface . Forming a vertical wall surface downward from the tip of the convex part on the floor side, and providing a gap serving as a conducting path for the sealant between the vertical wall surface and the extension wheel house inner,
By forming an extension-side notch in this extension wheel house inner and placing the lower end of the wheel house inner above the lower side of the extension-side notch, the lower end of these wheel house inner, the extension-side notch and the convex part The vehicle body seal structure according to claim 1, wherein a conduction path is provided between the upper surface of the vehicle body and the upper surface of the vehicle body so as to communicate the vehicle interior side sealant and the vehicle interior side sealant.

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