JP4102378B2 - Weather strip structure for sliding doors - Google Patents

Description

  The present invention relates to a weather strip structure for a sliding door that is attached to a door arm portion of a sliding door of an automobile and elastically contacts with an end surface of a step of a body to exhibit sealing properties such as a sound insulation effect and a waterproof effect.

Conventionally, for example, in a case where the front door is a hinged door and the rear door is a sliding door, a weather strip is attached to the end of the step of the body mainly to prevent intrusion of sound from below the vehicle, Some have the weather strip elastically contact the sliding door. In addition, there is a type in which a weather strip is attached to the slide door and elastically contacted with the body to obtain a sound insulation effect. Furthermore, there is also a structure shown in FIG. 3 of Patent Document 1 as a storage structure for a sliding door of a van type freight vehicle.
JP-A-9-226377

  However, in the case where the weather strip is attached to the end of the step of the body, it can be stepped on and off when getting on and off, so that there is a problem that it easily breaks and is visually unsightly.

  Moreover, in the thing attached to a slide door, since the unevenness | corrugation is formed in the inner surface of the said slide door by the interior trim etc., there exists a problem that a uniform sealing surface cannot be ensured and sound insulation property is bad.

  The present invention has been devised in view of these problems, and an object thereof is to provide a weather strip for a sliding door that is excellent in durability, appearance, and sealability.

  This will be described with reference to FIGS. The weather strip structure 10 for a sliding door according to claim 1 is provided at a lower portion of a sliding door 1 of an automobile to which a door arm 5 supporting a roller 4 is attached, and is sound-insulating by elastically contacting an end surface 3a of a step 3 of a body 2. The door arm 5 and the sliding door 1 are attached in the front-rear direction so as to cover predetermined portions of the uneven surface R on the indoor side, and correspond to the end surface 3a of the step 3 of the body 2 on the body 2 side. The intermediate member 11 has a smooth surface 11a having a smooth shape and the weather strip 12 attached to the smooth surface 11a of the intermediate member 11 and elastically contacting the end surface 3a of the step 3.

  The weather strip structure 10 for a sliding door according to claim 2 is provided at the lower part of the sliding door 1 of the automobile to which the door arm 5 supporting the roller 4 is attached, and is sound-insulating by elastically contacting the end surface 3a of the step 3 of the body 2. A weather strip structure which exhibits a sealing property such as the above, and is attached in the front-rear direction so as to cover a predetermined portion of the indoor armored surface R of the door arm 5 and the slide door 1, and the body 2 side of the step 3 of the body 2 An intermediate member 11 having a shape corresponding to the end surface 3a and having a smooth smooth surface 11a; and a weather strip 12 attached to the smooth surface 11a of the intermediate member 11 and elastically contacting the end surface 3a of the step 3. The member 11 and the weather strip 12 are integrally formed.

  The weather strip structure 10 for a sliding door according to a third aspect is the invention according to the first or second aspect, wherein an ept sealer 15 or a seal lip 16 is provided between the intermediate member 11 and at least the door arm 5. is there.

  The invention according to claim 1 is attached in the front-rear direction so as to cover a predetermined portion of the concave and convex surface R on both the indoor side of the door arm 5 and the slide door 1, and corresponds to the end surface 3a of the step 3 of the body 2 on the body 2 side. Since the intermediate member 11 having a smooth smooth surface 11a in a shape to be formed and the weather strip 12 attached to the smooth surface 11a of the intermediate member 11 and elastically contacting the end surface 3a of the step 3, durability, appearance and seal Excellent in properties.

  That is, since the weather strip 12 is attached to the slide door 1 instead of the step 3 of the body 2, the weather strip 12 is not stepped on when getting on and off, so that the durability is excellent. Further, the weather strip 12 attached to the slide door 1 side is not conspicuous when getting on and off, and thus has excellent appearance. Further, since the weather strip 12 is attached to the smooth surface 11a via the intermediate member 11, a uniform sealing surface can be formed, and the end face 3a of the step 3 of the body 2 can be brought into close elastic contact. it can. Therefore, it is excellent in sealing properties such as sound insulation and waterproofing.

  The invention according to claim 2 is excellent in durability, appearance and sealability as in the invention according to claim 1, and the intermediate member 11 and the weather strip 12 are integrally molded. Sound and water can be reliably prevented from entering between the weather strip 12 and the sealing performance can be further improved. Moreover, the integral molding makes it easy to handle and attach to the slide door 1 and is excellent in productivity.

  The invention described in claim 3 is excellent in durability, appearance, and sealing performance as in the inventions described in claims 1 and 2, and is an ept sealer 15 or seal between the intermediate member 11 and at least the door arm 5. Since the lip 16 is provided, it is possible to more reliably prevent sound and the like from entering between the intermediate member 11 and the door arm 5 and to further improve the sealing performance.

  1 to 4 show an embodiment of a weather strip structure 10 for a sliding door according to the present invention. This is provided in the lower part of the slide door 1 of the automobile to which the door arm 5 that rotatably supports the roller 4 is attached, and exerts sealing properties such as sound insulation by elastic contact with the end surface 3a of the step 3 of the body 2. And includes an intermediate member 11 and a weather strip 12. The roller 4 serves to slide the slide door 1 in the front-rear direction.

  The intermediate member 11 is attached in the front-rear direction so as to cover a predetermined portion of both the concave and convex surfaces R on the indoor side of the door arm 5 and the slide door 1. Further, on the body 2 side, a smooth smooth surface 11a having a shape corresponding to the end surface 3a of the step 3 of the body 2 is provided. The smooth surface 11a in the present embodiment has a curved shape corresponding to step 3, but if step 3 is a linear shape, the smooth surface 11a is set to a linear shape corresponding thereto.

  The weather strip 12 is attached to the smooth surface 11 a of the intermediate member 11 and is in close elastic contact with the end surface 3 a of step 3. The weather strip 12 includes a base portion 12 a attached to the intermediate member 11 with a clip 13, and a hollow seal portion 12 b integrally formed with the base portion 12 a and elastically contacting the end surface 3 a of step 3.

  In addition, since the weather strip 12 can be concealed by providing the cover 14 integrally or separately formed with the intermediate member 11 or the weather strip 12 at the upper end portion thereof, the appearance is further improved.

  Since the weather strip structure 10 in this embodiment has the weather strip 12 attached to the slide door 1, the weather strip structure 10 is not stepped on when getting on and off, and is excellent in durability. Further, the weather strip 12 attached to the slide door 1 side is not conspicuous at the time of getting on and off, so that the appearance is excellent (the line of sight of the passenger is directed to the step). Furthermore, since the weather strip 12 is attached to the smooth surface 11a of the intermediate member 11, a uniform sealing surface can be formed. As a result, the weather strip 12 can be brought into close elastic contact with the end surface 3a of the step 3 of the body 2, and the sealing performance such as sound insulation and waterproofing is excellent.

  In the weather slip structure in the present embodiment, the intermediate member 11 and the weather strip 12 are separately formed and assembled with the clip 13, but the present invention is not limited to this, as shown in FIG. Moreover, both can be integrally formed. By integrally molding, it is possible to surely prevent sound and the like from entering between the intermediate member 11 and the weather strip 12, so that the sealing performance can be further improved.

  Further, as shown in FIG. 6, by providing an ept sealer 15 between the intermediate member 11 and the door arm 5 and the slide door 1, intrusion of sound or the like from between the intermediate member 11, the door arm 5 and the slide door 1. Therefore, the sealing property can be further improved. The eptosealer 15 can be provided in whole or in part. In addition, instead of the opt sealer 15, as shown in FIG. 7, even if the seal lip 16 is provided by integral molding or separate molding, the sealing performance can be improved.

  The weather strip 12 can be attached to the intermediate member 11 with the clip 13 as in the above embodiment, or can be attached with a fitting structure as shown in FIG.

It is a side view of the motor vehicle which has a sliding door. 1 is a perspective view showing an embodiment of a weather strip structure for a sliding door according to the present invention. FIG. 3 shows the weather strip structure shown in FIG. 2, and is a cross-sectional view taken along line XX of FIG. 1. It is a principal part enlarged view of the weather strip structure shown in FIG. It is a schematic perspective view which shows other embodiment of the weather strip structure which concerns on this invention. The embodiment of the intermediate member in this invention is shown, (a) is a perspective view, (b) is the YY sectional view taken on the line. The other embodiment of the intermediate member in this invention is shown, and is a figure equivalent to the YY sectional view of FIG. It is a principal part longitudinal cross-sectional view which shows other embodiment of the weather strip structure which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Slide door 2 Body 3 Step 3a End surface 4 Roller 5 Door arm 10 Weather strip structure 11 Intermediate member 11a Smooth surface 12 Weather strip 12a Base 12b Hollow seal part 13 Clip 14 Cover 15 Epto sealer 16 Seal lip R Uneven surface

Claims (3)

  Provided at the lower part of the automobile sliding door (1) to which the door arm (5) for supporting the roller (4) is attached, and seals such as sound insulation by elastically contacting the end surface (3a) of the step (3) of the body (2) A weatherstrip structure that exhibits high performance, and is attached in the front-rear direction so as to cover a predetermined portion of the door arm and the uneven surface (R) on the indoor side of the slide door, and has a shape corresponding to the end face of the body step on the body side A weather strip structure for a sliding door, comprising: an intermediate member (11) having a smooth smooth surface (11a); and a weather strip (12) attached to the smooth surface of the intermediate member and elastically contacting the end surface of the step.   Provided at the lower part of the automobile sliding door (1) to which the door arm (5) for supporting the roller (4) is attached, and seals such as sound insulation by elastically contacting the end surface (3a) of the step (3) of the body (2) A weatherstrip structure that exhibits high performance, and is attached in the front-rear direction so as to cover a predetermined portion of the door arm and the uneven surface (R) on the indoor side of the slide door, and has a shape corresponding to the end face of the body step on the body side An intermediate member (11) having a smooth smooth surface (11a), and a weather strip (12) attached to the smooth surface of the intermediate member and elastically contacting the end surface of the step, the intermediate member and the weather strip being A weatherstrip structure for sliding doors that is integrally molded. The weather strip structure for a sliding door according to claim 1 or 2, wherein an ept sealer (15) or a seal lip (16) is provided between the intermediate member (11) and at least the door arm (5).

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