JP4788996B2 - Structure around belt line of vehicle door - Google Patents

Description

  The present invention relates to a vehicle door provided with a window glass that moves up and down and a door trim on the indoor side, and more particularly to a beltline peripheral structure for attaching a weather strip on the indoor side of the door.

  When attaching a weather strip to the door panel, the mounting part with an inverted U-shaped cross section is fitted to the flange of the door panel, while the engaging claw provided on the extension part of the weather strip mounting part is engaged with the hook part provided on the door trim By doing so, a technique for fixing the door trim and the weather strip to each other is disclosed (see Patent Document 1).

  In such a weather strip mounting structure, the weather strip engaging claws must be engaged with the hook portion provided on the door trim at some or all of the positions, and therefore the assembly work is complicated. In addition, since the door trim hook part opens upward and the weatherstrip engaging claws are inserted from above, the weatherstrip is easily affected by the lift of the door trim and the sealing performance against glass may be reduced. It was. Furthermore, since the weather strip is located between the inner panel and the door trim, there is a possibility that the rigidity of the upper edge of the door trim is insufficient.

JP 2001-277848 A

  The present invention has been made in view of such a situation, and its object is to improve the appearance of the gap between the door trim and the weather strip without impairing the sealing performance of the weather strip to the window glass, and An object of the present invention is to provide a vehicle door structure capable of improving the retaining property to the door trim and improving the assembling property of the door trim and the weather strip.

In order to solve the above-described problems of the prior art, a beltline peripheral structure for a vehicle door according to the present invention is equipped with a weather trim for attaching a door trim to an indoor door panel and sealing a lift glass to the beltline portion of the door panel. A beltline peripheral structure of a vehicle door to which a strip is attached , wherein the weatherstrip is attached by fitting an attachment portion to a flange portion formed on a beltline portion of the door panel, and an upper end portion of the door trim is while with curved outside of the vehicle located above the mounting portion of the weather strip, the lower surface of the door trim upper portion, the support portion having a substantially horizontal bottom surface projecting downward are provided, mounted in said weatherstrip parts, the substantially horizontal receiving portion for supporting in a state of mounting the support portion is provided, the receiving portion In the state in which the support portion is placed, an uneven shape that restricts movement of the support portion in the vehicle width direction is provided in the receiving portion and the support portion, and the attachment portion of the weather strip is fitted. A plurality of protrusions that support the lower end of the attachment part are provided at a plurality of locations in the belt line direction on the lower side of the combined flange part. The inner panel and the inner reinforcement constituting the door panel are spot-welded .

Since the belt line peripheral structure of the vehicle door according to the present invention is configured as described above , the door trim is supported by the receiving portion provided in the mounting portion of the weather strip. The weatherstrip glass seal lip is difficult to receive, and the rigidity of the upper edge of the door trim can be improved without impairing the sealing performance. Further, in assembling the door trim, it is only necessary to place the support portion of the door trim on the receiving portion of the weather strip, and the assembling property is not impaired.

Moreover, since the concave and convex shape for restricting the movement of the support portion in the vehicle width direction is provided in the receiving portion and the support portion in a state where the support portion is placed on the receiver portion, Since there are no restrictions on the upper part of the support part, the gap between the door trim and the window glass due to movement in the vehicle width direction and interference with the glass seal lip are prevented. it can. Further, the weather strip does not deviate in the direction away from the flange portion due to the influence of the door trim, and the deterioration of the sealing performance due to the influence of the door trim can be prevented. Furthermore, also in this aspect, the door trim can be assembled to the door panel by a simple operation of simply placing the support portion on the receiving portion, and the door trim can be easily attached.

Further, on the lower side of the fitting mounting part combined flange portion of the weather strip, projections for supporting is provided a lower end of the mounting portion, and said projection is partially the belt line direction provided a plurality of locations, the flange portion of the portion not provided with the projection includes an inner panel and an inner reinforcement constituting the door panels because they are spot welded, min height of the protrusion, the mounting portion The length in the vertical direction on the indoor side can be reduced, the distance from the receiving part to the lower end of the mounting part can be shortened, the rigidity of the weather strip against the load applied to the mounting part from the receiving part can be improved, And it becomes possible to improve the rigidity of the upper end edge of a door trim. Further, the material can be reduced by reducing the size of the weatherstrip. Moreover, the said protrusion can play the role of a reinforcement bead, and can also improve the intensity | strength of the belt line part of an inner panel.

Moreover, in the aspect which provided the lip | rip part which contact | abuts the lower surface of the said door trim upper end part in a bending state in the attachment part of the said weather strip, it is by the lip | rip part for trim seals provided separately from the glass seal lip of the said weather strip. The glass seal lip is not easily affected by the deformation of the door trim, and the gap between the upper edge of the door trim and the glass seal lip can be closed without impairing the sealing performance. The glass seal lip and the lip portion for the trim seal can prevent dust and outside air from entering the vehicle interior and improve the comfort in the vehicle interior. Further, the seal lip serves to support the upper edge of the door trim from below, and improves the rigidity of the upper edge of the door trim. Further, in assembling the door trim, it is only necessary to place the upper end edge of the door trim on the seal lip, and the assemblability is not impaired.

  Details of the embodiment of the present invention will be described below. FIG. 1 shows a front side of a side surface of an automobile 1 provided with a vehicle door (front door 2) according to an embodiment of the present invention, and FIG. 2 is a side view of the front door 2 as viewed from the inside of the vehicle. In the figure, a window glass 3 is provided above the front door 2 in a window opening 11 surrounded by a frame (sash) so as to be lifted and lowered. An interior door trim 5 is mounted on the indoor front door portion below the beltline portion of the lower edge of the window opening 11, and a gap between the lower edge (beltline portion) of the window opening 11 and the upper end of the door trim 5 is installed. The weather strip 4 is attached for the purpose of improving the sealing performance of the window glass.

  As shown in FIGS. 3 to 5, the weather strip 4 has a uniform cross-sectional shape in the longitudinal direction and is inclined from the upper part to the upper outside of the vehicle compartment with the inverted U-shaped attachment part 4d as the center. Vehicle with a glass seal lip 4a taken out, a trim seal lip 4b that is inclined to the indoor side upward from the base of the glass seal lip 4a, a receiving part 4c that protrudes indoors above the mounting part 4d, and a mounting part 4d A lower glass seal lip 4e and the like which are inclined from the outdoor side surface and incline substantially parallel to the glass seal lip 4a are integrally formed.

  The weather strip 4 is integrally formed by extrusion using a resin material having flexibility and elasticity. At this time, the glass seal lips 4a and 4e and the trim seal lip 4b that need to be flexibly in contact with the attachment portion 4d and the receiving portion 4c, the window glass 3 and the door trim 5 described later in a bent state, which require strength and rigidity for attachment. For example, they are simultaneously molded using different materials according to the properties required for each.

  As shown in FIG. 5, the weather strip 4 configured as described above fits the inverted U-shaped attachment portion 4 d to a flange 9 a formed by joining the inner panel 9 and the inner reinforcement 10, and The locking portion 4f formed at the lower end of the mounting portion 4d outside the vehicle is locked to the claw portion 10f of the inner reinforcement 10 to be fixed to the flange 9a. In this fixed state, a protrusion formed obliquely upward on the inner surface of the mounting portion 4d is pressed against the flange 9a, so that the weather strip 4 is prevented from being detached from the flange 9a and is securely fixed to the flange 9a. Sealability at the part is ensured. In such an attached state, the glass seal lips 4a and 4e of the weather strip 4 abut against the window glass 3, and the lip 4a slides on the glass surface when the window glass 3 moves up and down, thereby adhering to the window glass 3. Water droplets and dust are prevented from entering the indoor side from inside the door panel.

  On the other hand, an outer scalp 6 is disposed outside the vehicle compartment of the window glass 3 as a part that forms a pair with the weather strip 4 with the window glass 3 interposed therebetween. The outer scalp 6 includes an attachment portion 6d having an inverted U-shape, similar to the attachment portion 4d of the weather strip 4, and a glass seal lip 6a and an attachment portion 6d that are inclined and project from the upper portion toward the indoor side. A lower glass seal lip 6e is formed integrally with the glass seal lip 6a so as to be inclined in parallel with the glass seal lip 6a.

  The outer sculp 6 has a hemming shape 7a formed by joining the upper end portion of the outer reinforcement 8 with the outer panel 7 to fit the attachment portion 6d, and a locking portion 6f provided at the lower end of the hemming shape 7a. Attached to the lower end 7f. The front end position of the glass seal lip 6a of the outer scalp 6 and the front end position of the glass seal lip 4a of the weather strip 4 are desirably aligned in the vertical direction from the standpoint of appearance and closing property when the window glass 3 is fully opened. Thereby, the upper position of the weather strip 4 is determined.

  Next, the attachment of the door trim 5 to the inner panel 9 is mainly performed by inserting a plurality of clips (not shown) provided outside the vehicle compartment of the door trim 5 into holes provided in the inner panel 9 and fixing them. by. The door trim 5 is attached after the weather strip 4 is attached to the inner panel 9, and the upper edge 5 a of the door trim 5 is disposed above the weather strip 4 as shown in FIG. 4.

  As described above, the structure in which the weather strip 4 and the door trim 5 are respectively assembled to the inner panel 9 has a stable relationship between the weather strip 4 and the window glass 3. The advantage of high sealing performance can be obtained.

  In addition, as shown in FIG. 4, since the glass seal lip 4a is movable between the upper edge 5a of the door trim 5 and the glass seal lip 4a of the weather strip 4, it is necessary to ensure a clearance, and a clearance is provided. There must be. Therefore, as shown in FIGS. 4 and 5, the weather strip 4 of the present invention includes a trim seal lip 4b that extends from the base portion of the glass seal lip 4a to the indoor side, and the trim seal lip 4b is bent. A clearance for moving the glass seal lip 4a is secured between the door trim upper end edge 5a and the glass seal lip 4a so as to contact the lower surface of the upper end portion of the door trim 5 (the back surface of the design surface).

  Since the seal lip 4b is only bent and abutted against the back surface of the design surface of the door trim 5, both are not fixed to each other. For example, even when the position of the door trim 5 is slightly shifted upward due to deformation or the like, the weather strip Therefore, the sealing performance of the glass seal lip 4a with respect to the window glass 3 is not impaired. Further, since the trim seal lip 4b has flexibility and elasticity, it can always be brought into contact with the back surface of the design surface of the door trim 5, and the gap between the upper edge 5a of the door trim 5 and the glass seal lip 4a is closed. be able to.

  On the other hand, when the position of the door trim 5 is slightly shifted downward, the weather strip 4 is pressed against the back surface of the design surface of the door trim 5 through the seal lip 4b, and the mounting portion 4d is firmly fitted into the flange 9a. Therefore, the sealing performance of the glass sealing lip 4a to the window glass 3 is also ensured. Further, the seal lip 4b can prevent dust and air in the space 12 in the door trim 5 from entering the vehicle interior and improve the comfort in the vehicle interior.

  Furthermore, since the seal lip 4b plays a role of supporting the upper end edge 5a of the door trim 5 from below, an effect of improving the rigidity of the upper end edge 5a of the door trim 5 can be obtained. When the door trim 5 is assembled to the door 2, it is only necessary to place the upper edge 5a of the door trim 5 on the seal lip 4b, so that the assembling property is not impaired.

  As described above, although the upper edge 5a of the door trim 5 is supported by the seal lip 4b, the seal lip 4b is intended to seal the portion, and when it is intended to sufficiently secure flexibility and elasticity, It is meaningful to provide another fixing structure near the upper edge 5a. Therefore, in the present embodiment, as shown in FIGS. 4 and 5, the upper end portion (5a) of the door trim 5 is provided with a support portion 5c that protrudes downward from the back surface of the design surface and has a horizontal bottom surface. On the other hand, the weather strip 4 side is provided with a receiving portion 4c having a horizontal surface on which the horizontal bottom surface of the supporting portion 5c can be placed, and by supporting the receiving portion 4c in a state where the supporting portion 5c is placed, a door trim is provided. The rigidity in the vicinity of the upper end surface (5a) of 5 is improved.

  Moreover, the support part 5c and the receiving part 4c form uneven | corrugated shape in those contact surfaces so that the position of a vehicle width direction may mutually be controlled. In the example shown in FIGS. 4 and 5, the support portion 5 c provided on the door trim 5 has a concave shape, and the receiving portion 4 c provided on the weather strip 4 has a convex shape. Or vice versa. Further, the cross-sectional shape of the irregularities may be a trapezoid, a triangle, or the like other than a rectangle. Furthermore, the uneven shape may be provided in a plurality of locations partially in the length direction of the weather strip 4.

  According to the support structure using the support portion 5c and the receiving portion 4c described above, the load applied to the upper edge 5a of the door trim 5 can be received by the horizontal surface of the receiving portion 4c via the support portion 5c. Obtainable. In addition, the fitting of the support portion 5c and the receiving portion 4c is only restricted in the vehicle width direction due to the concavo-convex shape, and there is no restriction above the support portion 5c. The expansion of the gap with the window glass 3 due to the movement of the direction and the interference with the glass seal lip 4a can be prevented. On the other hand, when the door trim 5 is displaced upward, the fitting between the support portion 5c and the receiving portion 4c is easily disengaged, so that the weather strip 4 can be prevented from being pulled up to the door trim 5, and the weather strip 4 is removed from the flange 9a. It is possible to prevent the sealing performance of the glass seal lip 4a against the window glass 3 from being lowered in the direction of detachment.

  Furthermore, since the support part 5c and the receiving part 4c do not have a claw structure or the like that locks each other, the door trim 5 can be assembled to the door panel 9 by a simple operation of simply placing the support part 5c on the receiving part 4c. Further, by integrally forming the support portion 5c on the door trim 5 and the receiving portion 4c on the weather strip 4, an increase in the number of parts can be avoided. In addition, the support part 5c and the receiving part 4c may be provided over the whole belt line length direction, and may be provided in multiple places partially.

  Furthermore, in the invention, the rigidity against the load applied to the upper end edge 5a of the door trim 5 can be further improved by the following structure. Since the load applied to the receiving portion 4c described above is directly transmitted to the mounting portion 4d, it is preferable that the length of the mounting portion 4d is as short as possible because it is less bent and is rigid. However, the positions of the upper and lower ends of the weather strip 4 are determined for the following reasons. First, since the position of the upper end of the glass seal lip 4a needs to be aligned with the height of the outer scalp 6 attached to the outside of the vehicle compartment, the height of the upper end of the attachment portion 4d is also restricted.

  On the other hand, it is preferable to extend the lower end of the attachment portion 4d of the weather strip 4 to the base portion of the flange 9a in order to improve sealing performance. The flange 9a is generally welded at a plurality of locations in the vehicle longitudinal direction by spot welding. For this reason, the flange 9a requires some welding allowance for spot welding, and it is difficult to shorten the flange 9a and the mounting portion 4d.

  Therefore, in the present embodiment, as shown in FIGS. 3 and 4, the protrusion 9 b is partially provided at the base of the flange 9 a of the inner panel 9, and the lower end of the mounting portion 4 d is in contact with the protrusion 9 b. It was supported at 9b. Thereby, the vertical length of the mounting portion 4d on the indoor side can be reduced by the height of the protrusion 9b, and the distance from the receiving portion 4c to the lower end of the mounting portion 4d can be shortened. . With this configuration, the rigidity of the weather strip 4 with respect to the load applied to the receiving portion 4c can be improved, and the rigidity of the upper edge 5a of the door trim 5 can be further improved. Further, the material can be reduced by downsizing the weather strip 4. Furthermore, by forming a plurality of protrusions 9b on the belt line portion of the inner panel 9, the protrusions 9b serve as beads, and the strength of the belt line portion of the inner panel 9 can be improved.

  As described in detail above, according to the beltline peripheral structure of the present invention, in the vehicle door provided with the window glass that moves up and down, the weatherstrip 4 maintains high sealing performance, while the rigidity around the beltline part is increased. It has become possible to improve, in addition to the appearance, comfort and assembly.

  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 changes can be made based on the technical idea of the present invention.

It is a side view which shows the front side of the motor vehicle provided with the vehicle door which concerns on embodiment of this invention. It is a side view from the vehicle inner side of the front door of the motor vehicle of FIG. It is a disassembled perspective view of the front door which concerns on embodiment of this invention. It is the sectional view on the AA line of FIG. It is the sectional view on the AA line in the decomposition | disassembly state of FIG.

DESCRIPTION OF SYMBOLS 1 Car 2 Front door 3 Glass 4 Weather strip 4a Glass seal lip 4b Trim seal lip 4c Receiving part 4d Mounting part 5 Door trim 5a Upper end edge (upper end part)
5c Support part 6 Outer sculpture 6a Glass seal lip 7 Outer panel 7a Hemming shape 8 Outer reinforcement 9 Inner panel 9a Flange 9b Projection 10 Inner reinforcement 11 Window opening (window opening)

Claims (2)

A vehicle door beltline peripheral structure in which a door trim is mounted on the indoor side door panel, and a weather strip for sealing the elevating glass is attached to the beltline portion of the door panel ,
The weather strip is attached by fitting an attachment portion to a flange portion formed on the belt line portion of the door panel,
Upper portion of the door trim, as well as curved to the outside of the vehicle located above the mounting portion of the weather strip, the lower surface of the door trim upper portion, the support portion having a substantially horizontal bottom surface projecting downward is provided On the other hand, a mounting portion of the weather strip is provided with a substantially horizontal receiving portion that supports the mounting portion in a state where the supporting portion is placed, and the vehicle of the supporting portion is mounted in the state where the supporting portion is placed on the receiving portion. In an uneven shape that restricts movement in the width direction is provided in the receiving part and the support part,
A plurality of protrusions that support the lower end of the attachment part are provided at a plurality of locations in the belt line direction on the lower side of the flange part to which the attachment part of the weather strip is fitted. A belt line peripheral structure of a vehicle door , wherein an inner panel and an inner reinforcement constituting the door panel are spot-welded at a flange portion which is not provided . Wherein the weatherstrip, the door trim upper portion beltline surrounding structure of the vehicle door according to claim 1, characterized in that a contacting lip in flexed state to the lower surface of the.

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