TWI401169B - Waterproof lining - Google Patents

Description

Waterproof strip

The present invention relates to a waterproof lining for sealing a door frame and a door opening portion of a window frame constituting a door.

In the prior art, various configurations have been proposed as the waterproof lining (for example, Patent Document 1 and the like). Fig. 5 is a side view showing the structure of the upper portion of the door to which the waterproof lining of the prior art is applied, from the outer side in the width direction of the vehicle. 6(a) is a cross-sectional view taken along line DD of FIG. 5, and FIG. 6(b) is viewed along the direction of the arrow E of FIG. 5 (direction from the rear side of the vehicle toward the front side). Schematic diagram.

As shown in the figure, in the frame portion 91a on the rear side of the vehicle constituting the door frame 91 of the window frame of the door, a fascia 92 for covering the frame portion 91a from the outside in the vehicle width direction is attached. On the other hand, the decorative panel 92 faces the inner side of the frame portion 91a in the width direction of the vehicle, and is fixed to the waterproof lining 93 made of a soft synthetic resin extending over the entire length of the fascia. . The waterproof lining 93 is integrally provided with a belt-shaped sealing portion 93a that extends toward the rear side of the vehicle with respect to the garnish 92 (see FIG. 6(a)).

On the other hand, behind the garnish 92, a triangular window glass 94 embedded in the vehicle body is provided, and the front end portion of the triangular window glass 94 facing the garnish 92 is housed in The triangular window strip 95 is extended in the height direction for a full length. The triangular window strip 95 is divided into the upper portion of the rear portion of the door opening portion OP that is opened and closed via the door. The sealing portion 93a is in elastic contact at the triangular window strip 95 (door opening OP). As a result, the gap L between the garnish 92 and the triangular window strip 95 in the longitudinal direction of the vehicle is blocked, and the interior of the vehicle is appropriately sealed.

[Previous Technical Literature] [Patent Literature]

[Patent Document 1] Japanese Laid-Open Patent Publication No. Hei 8-332885

However, as shown in Fig. 6(a), generally, the garnish 92 is attached to the frame portion 91a, but between the garnish 92 (waterproof lining 93) and the frame portion 91a, a vehicle is produced. A gap W in the width direction. This is because the sliding door glazing at the door frame 91 and the fascia 92 forming the outer design surface are not arranged in parallel (refer to FIG. 6(b)), so that the covers are comprehensively and closely adhered to each other. The matter is difficult.

Further, as shown in Fig. 6 (b), generally, a height direction of the vehicle is generated between the door outer side panel 96 constituting the door outer panel of the door body and the garnish 92 at the lower end portion of the frame portion 91a. Clearance H. This is caused by the expansion and contraction of the garnish 92 accompanying temperature changes and the like.

Therefore, due to the occurrence of such gaps W and H, the appearance is deteriorated, or water leakage or wind cuts are caused.

An object of the present invention is to provide a waterproof lining which is a waterproof lining which is fixed to a fascia which is covered by a frame portion on the rear side of a vehicle which constitutes a door frame of a sash of a door, and which can have an appearance Lifting, and can suppress the occurrence of water leakage or wind cuts.

In order to solve the above problems, the invention described in claim 1 is intended to be a waterproof lining which is fixed to the inner side of the louver of the vehicle in the width direction and is provided with the vehicle facing rearward. a sealing portion that extends outwardly and elastically contacts the opening toward the door, and the fascia is a cover portion of the rear side of the vehicle that frames the door frame of the sash of the door, from the outside of the vehicle width direction. The waterproof lining is integrally provided with an inner extending portion that extends toward the inner side in the vehicle width direction and that fills a gap between the frame portion and the garnish in the vehicle width direction. And a lower extension portion extending toward the lower side of the vehicle, and lining the outer side panel of the door outer panel constituting the door body to which the frame portion is fixed, and the gap between the garnishes in the height direction of the vehicle And the reinforcing portion is arranged side by side at the front side of the vehicle at the inner extension portion, and supports the inner extension portion.

According to this configuration, the inner extension portion and the lower extension portion are integrally disposed in the waterproof lining including the seal portion, and the vehicle width between the frame portion and the fascia The gap in the direction and the gap in the vehicle height direction between the door outer panel and the aforementioned fascia are blocked together. Therefore, there is no increase in the number of parts, and the appearance can be improved, and it can be used for water leakage or wind cutting. The occurrence of sound is suppressed. Further, according to this configuration, by supporting the inner extension portion by the reinforcing portion, it is possible to suppress the fall of the inner extension portion.

In the present invention, it is possible to provide a waterproof lining which is a waterproof lining which is fixed to a plaque which is covered by a frame portion on the rear side of a vehicle which constitutes a door frame of a sash of a door, and which can have an appearance Lifting, and can suppress the occurrence of water leakage or wind cuts.

Hereinafter, one of the embodiments in which the present invention is embodied will be described based on the drawings.

Fig. 1 is a side view showing the structure of the upper portion of the door to which the waterproof lining of the present embodiment is applied, from the outer side in the width direction of the vehicle. 2(a) is a cross-sectional view taken along line AA of FIG. 1, and FIG. 2(b) is observed along the direction of arrow B of FIG. 1 (direction from the rear side of the vehicle toward the front side). Schematic diagram.

As shown in FIG. 1, generally, a door opening portion 2 for getting on and off the vehicle is formed at a side portion of the vehicle body 1, and a door 3 for opening and closing the door opening portion 2 is supported. Further, the door 3 is provided with a door body 4 constituting a lower portion thereof. The door main body 4 is a bag-like structure formed by combining a door outer panel 4a (refer to FIG. 2(b)) constituting the door outer panel and a door inner panel (not shown) constituting the door inner panel, and It is provided with a window glass DW or the like which can be made from an opening facing upward.

Further, the door 3 is provided with a door frame 5 which is attached to the upper end portion of the door main body 4 and constitutes a window frame of the door 3 (that is, a frame of the door glass DW). The door frame 5 is formed in a rectangular shape that is open toward the lower side, and is provided with a lower end portion that is fixed to the front side and the rear portion of the door body 4 (for example, the door inner panel) and extends on the front side in the vehicle height direction. The frame portion 5a and the rear side frame portion 5b are bridged between the front side frame portions 5a and the upper ends of the rear side frame portions 5b, and the both ends are fixed by, for example, welding, and then The upper side frame portion 5c. The front side frame portion 5a, the rear side frame portion 5b, and the upper side frame portion 5c are formed into a slightly constant cross-sectional shape by, for example, forming a metal plate as a roller.

Further, the door 3 of the present embodiment is disposed on the rear door rear side rear door, and the front side frame portion 5a and the rear side frame portion 5b are disposed corresponding to the B-pillar and the C-pillar of the vehicle body 1. Further, in the front side frame portion 5a and the rear side frame portion 5b, the decorative plates made of synthetic resin sheets which are covered from the outer side in the wide direction of the vehicle are attached. 6, 7.

The fascia 6 on the front side extends at least to the waist line BL which is the upper end of the door body 4 (the door inner panel) and extends over the entire length of the front side frame portion 5a, and forms the front side frame portion. 5a (B-pillar) design surface on the outside of the vehicle. The fascia 7 on the rear side covers a design surface on the outside of the vehicle which is formed to extend at least the entire length of the rear side frame portion 5b beyond the waist line BL and to form the rear side frame portion 5b (C-pillar). Further, the lower edge of the front edge of the fascia 7 is formed with a first edge portion 7a that is inclined so as to face forward toward the lower side, and the upper end of the front end edge is formed to be continuous with the upper end of the first edge portion 7a and the plaque After the 7th, the end edge extends the second edge portion 7b slightly parallel.

The surface of the decorative panel 7 facing the rear side frame portion 5b on the inner side in the width direction of the vehicle (the side in the depth direction orthogonal to the paper surface) is fixed and then extended in a height direction covering the height direction of the decorative panel. There is a waterproof strip 10 made of synthetic resin.

As shown in Fig. 2(a), the waterproof lining 10 is provided with a main body portion 11 made of, for example, an extruded material of a soft synthetic resin. The main body portion 11 extends over the entire length of the decorative panel 7 in a longitudinal direction, and is provided with an elongated fixing portion 11a joined to a surface of the decorative panel 7 on the inner side in the vehicle width direction, and A strip-shaped sealing portion 11b extending from the rear end of the fixing portion 11a to the rear side of the vehicle than the decorative panel 7 is provided.

On the other hand, behind the fascia 7, a triangular glazing 8 embedded in the vehicle body 1 is provided, and at the front end portion of the triangular glazing 8 opposite to the fascia 7, It is provided with a triangular window strip 9 which extends over a full length of the height direction. That is, the upper side of the rear portion of the door opening portion 2 is partitioned by the triangular window strip 9 . The sealing portion 11b is in elastic contact at the triangular window strip 9 (the door opening portion 2). As a result, the gap L between the fascia 7 and the triangular window strip 9 in the longitudinal direction of the vehicle is blocked, and the interior of the vehicle is appropriately sealed.

In addition, the waterproof lining 10 is provided with a synthetic resin molded portion 12 integrally formed by injection molding at a lower portion of the fixing portion 11a including the base end portion of the sealing portion 11b. As shown in FIG. 3, the molding portion 12 is integrally provided to extend from the base end portion of the sealing portion 11b toward the inner side in the vehicle width direction, and to form the rear side frame portion 5b and the fascia 7 described above. a plate-shaped inner extension portion 12a in which the gap W in the wide direction of the vehicle is blocked, and a reinforcing portion that is disposed side by side on the vehicle front side of the inner extension portion 12a as a support portion for supporting the inner extension portion The first reinforcing portion 12b and the second reinforcing portion 12c which are disposed in parallel with the first reinforcing portion 12b and are located closer to the front side of the vehicle and serve as a reinforcing portion for supporting the first reinforcing portion 12b.

Further, the rear side frame portion 5b and the gap W in the vehicle width direction between the fascia 7 (the main body portion 11) attached to the rear side frame portion 5b are caused by: at the door frame 5 The sliding door and window glass DW, and the fascia 7 forming the outer design surface, are not covered in parallel, so that they are not completely covered with each other (refer to Fig. 2(b)). On the other hand, the inner extension portion 12a is formed by blocking the gap W in the vehicle width direction between the rear side frame portion 5b and the fascia 7 to improve the appearance.

The first reinforcing portion 12b is formed by arranging a plurality of partition walls which are formed by arranging a plurality of vertical walls which are arranged side by side in the front-rear direction at a predetermined interval. The hollow structure is reinforced by suppressing the increase in weight while suppressing the lateral fall of the inner extending portion 12a. The second reinforcing portion 12c is formed in a slightly I-shaped shape in which the front-rear direction is hollowed out, and the inner reinforcing portion is cooperating with the first reinforcing portion 12b while suppressing the increase in weight. 12a is laterally inverted for suppression and reinforced.

Further, the molding portion 12 is integrally provided with a lower end portion 12d which is suspended from the lower end of the inner extension portion 12a and which is suspended in a skirt shape to the lower side of the vehicle. The lower extension portion 12d is in elastic contact with the door outer panel 4a, and blocks the gap H between the door outer panel 4a and the trim panel 7 in the vehicle height direction (refer to FIG. 2(b)).

Here, as shown in the cross-sectional view taken along line 1C-C of Fig. 4(a), the front edge (the first edge portion 7a and the second edge portion 7b) of the decorative panel 7 are arranged. The position P1 in the front-rear direction of the vehicle necessary for covering the rear side frame portion 5b is further at the position P on the front side. This configuration is, for example, a design requirement of the plaque itself which is intended to extend the width of the fascia 7 toward the front side, or is, for example, as shown in FIG. 4(b), since it is intended to make the door frame 5 The rear edge portion of the opening and closing window glass DW is not exposed to external design requirements during all of the lifting and lowering operations thereof.

In this case, the position of the door waterproof lining (also referred to as "door glass guide groove") 20, which is guided by the movement of the window glass DW at the rear side frame portion 5b, in the front-rear direction of the vehicle ( P1) and the position (P) of the front end of the vehicle in the front-rear direction of the fascia 7 are arranged in this direction. Therefore, a space S having a sufficient volume is formed between the front edge (the first edge portion 7a and the second edge portion 7b) of the fascia 7 and the door waterproof lining 20, and there is a The airflow intrusion between the gaps of the door and window glass DW causes a situation in which the wind cuts are generated.

In the present embodiment, in order to suppress the intrusion of such a gas flow, a protection portion 21 for filling the space S is provided. The protection portion 21 is joined to the inner side in the vehicle width direction along the front edge of the fascia 7. Thereby, it is possible to suppress the generation of the aforementioned wind cut noise. At the same time, the wide side is extended to the back side of the fascia 7 at the front side, for example, so as not to be observed by the rider of the rear seat, and the appearance can be improved.

As described in detail above, according to the present embodiment, the effects described below can be obtained.

(1) In the present embodiment, the inner extending portion 12a and the lower extending portion 12d are integrally disposed at the waterproof lining 10 including the sealing portion 11b, and the rear side frame portion The gap W between the 5b and the fascia 7 in the vehicle width direction and the gap H in the vehicle height direction between the door outer panel 4a and the fascia 7 are blocked together. Thereby, it is possible to solve the generation of the respective gaps L, W, and H caused by the expansion and contraction of the fascia 7 by a single member (waterproof lining 10). Therefore, there is no increase in the number of parts, and the appearance can be improved, and the occurrence of water leakage or wind cut can be suppressed.

(2) In the present embodiment, the inner extension portion 12a is supported by the first and second reinforcing portions 12b and 12c which are arranged side by side on the vehicle front side of the inner extension portion 12a. The fall of the inner extension portion 12a is suppressed.

Further, the above embodiment can be modified as generally described below.

In the above embodiment, the inner extension portion 12a of the molded portion 12 may extend over the entire length in the longitudinal direction of the waterproof lining 10 (the main body portion 11).

In the above-described embodiment, the first and second reinforcing portions 12b and 12c may be omitted as long as they have sufficient strength to suppress the fall of the inner extending portion 12a.

2. . . Door opening

3. . . Car door

4. . . Door body

4a‧‧‧door panel

5‧‧‧ door frame

5b‧‧‧Back side frame (frame)

7‧‧‧Plate

10‧‧‧Waterproof strip

11‧‧‧ Body Department

11b‧‧‧Sealing Department

12‧‧‧Forming Department

12a‧‧‧Inside extension

12b‧‧‧1st reinforcement department (reinforcement department)

12c‧‧‧2nd reinforcement department (reinforcement department)

12d‧‧‧Under the extension

Fig. 1 is a side view showing one embodiment of the present invention.

Fig. 2 (a) is a cross-sectional view taken along line A-A of Fig. 1, and (b) is a view taken along the line B of Fig. 1.

Fig. 3 is a side view of the same embodiment as viewed from the back side.

Fig. 4 (a) is a cross-sectional view taken along line C-C of Fig. 1, and (b) is an explanatory view showing the operation of the window glass.

Fig. 5 is a side view showing the prior art form.

Fig. 6 (a) is a cross-sectional view taken along line D-D of Fig. 5, and (b) is a view taken along the line E of Fig. 5.

4. . . Door body

4a. . . Door outer panel

5b. . . Rear side frame (frame)

7. . . Plaque

8. . . Triangular window glass

9. . . Triangular window strip

10. . . Waterproof strip

11. . . Body part

11a. . . Fixed part

11b. . . Sealing part

12. . . Forming department

12a. . . Medial extension

12b. . . The first reinforcement (reinforcement)

12c. . . The second reinforcement (reinforcement)

12d. . . Lower side extension

H, L, W. . . Void

Claims (1)

A waterproof lining is fixed to a surface of the plaque on the inner side in the width direction of the vehicle, and has a sealing portion extending toward the rear side of the vehicle and elastically contacting the opening portion opposite to the door, the plaque, The frame portion on the rear side of the vehicle that constitutes the door frame of the window frame of the door is covered from the outer side in the vehicle width direction, and the waterproof weather strip is integrally provided with an inner extension portion. Extending toward the inner side in the width direction of the vehicle, and filling the space between the frame portion and the garnish in the width direction of the vehicle; and the lower extension portion extending toward the lower side of the vehicle, and constituting the frame portion a door outer panel of the door outer panel to which the door body is fixed, and a gap between the trim panels in the height direction of the vehicle are filled; and a reinforcing portion is disposed side by side at the front side of the vehicle of the inner extension portion. The inner extension is supported.