JP5968754B2 - Glass run - Google Patents

Description

  The present invention relates to a glass run attached around a door of an automobile door, and particularly has a feature in a connecting portion connected to a belt line inner weather strip (hereinafter simply referred to as an inner weather strip) attached along the belt line of the door. Related to grass run.

  FIG. 1 shows a connecting portion between the inner weather strip 16 and the glass run 31 in the rear corner b of the automobile front door 1a shown in FIG. 4, and FIG. 2 shows the inner weather strip 16 taken along the line AA in FIG. 3 shows a cross section of the glass run 31 attached to the sash 3 along the line BB in FIG. 1. The inner weather strip 16 is made of rubber such as EPDM or rubber-like elastic material such as thermoplastic elastomer. A base 18 including a metal core 17 attached to the door trim 6, and two seals extending obliquely upward from the middle and lower portions of the mounting base 18 and elastically contacting the indoor side of the window glass 9. It consists of lips 19 and 19.

  The glass run 31 is a rubber-like elastic body similar to the inner weather strip 16, and is composed of an indoor side wall 31 a, an outdoor side wall 31 b, and a bottom wall 31 c that connects both side walls 31 a, 31 b. The inner side wall end and the outer side wall end of the vehicle extend obliquely toward the bottom wall 31c inwardly from the inner side and the outer side of the window glass 9 inserted into the glass run 31. The lips 31d and 31g which are elastically contacted, extend from the indoor side wall end to the center side of the window glass 9, and the lip 31e supported by the door frame 2 and the bottom wall 31c extend from the outdoor side wall end in the opposite direction. The lip 31g is provided with a lip 31h that elastically contacts the window glass 9 from the outside of the vehicle, and the glass run 31 has an inner weather strip 16 at the lower end in the door panel below the belt line. It extends beyond.

  When the inner weather strip 16 and the glass run 31 are assembled, a normal gap is normally formed between the end of the inner weather strip 16 and the glass run 31 shown by part e in FIG. 1, but the front door 1a is formed with this gap. Since the corner portion b is close to the ear position when seated, the reflected sound in the door leaks into the room through the gap, causing deterioration of the sound insulation performance.

  Also known is one in which an inner weather strip and a glass run are integrally formed (Patent Documents 1 and 2). In such a case, no gap is formed between the end of the inner weather strip and the glass run, and the above problem does not occur. However, the one that integrates the inner weather strip and the glass run is bulky and does not work well, and the workability during assembly and transportation is poor, and the inner weather strip that elastically contacts the window glass when the window glass moves up and down is used. The seal lip and the glass run lip have different bending directions in the former for the former and the latter for the transverse direction. It is also costly to form it integrally.

Japanese Patent No. 3744303 Microfilm of Japanese Utility Model No. 62-84974 (Japanese Utility Model Application No. 63-193915)

  According to the present invention, in a glass run that is attached around the door separately from the inner weather strip attached along the belt line, the sealing performance at the connecting portion with the inner weather strip is improved, and the reflected sound in the door is It is intended to prevent leakage from the connecting portion to the inside of the vehicle.

According to the first aspect of the present invention, there is provided a lip which is formed to project obliquely inward from both the inner and outer sides from the inner and outer side walls, the outer side wall, the bottom wall connecting both side walls, and the both side wall ends. A glass run attached to the periphery of the door, and a sealing means projecting toward the center side of the window glass projecting from the indoor side wall end, and attached to the sealing means along the belt line of the automobile door In the glass run where the end portion of the inner weather strip that seals between the glass run and separate from the glass run is elastically contacted, the glass run is attached to the door frame, and the sealing means is located in the center of the window glass from the indoor side wall end. extending on the side, and wherein the Rukoto provided lip which is supported on the door frame.

The invention according to claim 2 is a lip which is formed to protrude obliquely inward from both the inner and outer sides from the inner side wall, the outer side wall, the bottom wall connecting both side walls, and the both side wall ends. A glass run attached to the periphery of the door, and a sealing means projecting toward the center side of the window glass projecting from the indoor side wall end, and attached to the sealing means along the belt line of the automobile door , the glass run in glass run end portion of the inner weather strip is elastically contact to seal between the window glass at an separate, said sealing means and said hollow seal part 22 der Rukoto.

The invention according to claim 3 is characterized in that the sealing means of the invention according to claim 1 or 2 is a sponge material integrated with the lip.

According to the first aspect of the invention, the inner weather strip is separate from the glass run, and is assembled to the belt line of the automobile door and the sash around the door, respectively, so that the inner weather strip and the glass run are integrated by molding. Compared to what is done, each part has a small turn, and the workability at the time of assembly and transportation is good, and when the window glass is raised and lowered, the seal lip of the inner weather strip and the lip of the glass run that are in elastic contact with the window glass In addition, there is an advantage that a crack is easily formed at the connecting portion due to different bending directions, and there is an advantage that the cost is low, and the end of the inner weather strip is elastically contacted with the sealing means. And the sound reflected inside the door is It can be prevented from leaking to the interior side of the connecting portion of the glass run. Moreover, since the lip provided with the sealing means is supported by the door frame, the end of the inner weather strip can be reliably sealed by pressing it against the sealing means.

According to the invention of claim 2 and 3, but is sealed by the end of the inner weather strip is pressed against the hollow seal portion or sponge material, when the sealing means is a hollow, more claims 3 As in the invention according to the present invention, when the seal portion is hollow and sponge material , the followability with respect to the variation in position of the end of the inner weather strip is further improved, and the sealing can be reliably performed.

The perspective view of the connection part of the inner weather strip and the glass run in the rear side corner part b of the front door of the motor vehicle shown in FIG. Sectional drawing in the AA of FIG. Sectional drawing of the glass run in the BB line of FIG. A side view of an automobile. Sectional drawing in the connection part with the inner weather strip of the glass run which concerns on this invention. The figure which shows the connection part of the glass run shown in FIG. 5, and an inner weather strip. Sectional drawing which shows another aspect of the glass run which concerns on this invention.

Hereinafter, a glass run according to an embodiment of the present invention will be described with reference to the drawings.
The glass run 11 shown in FIG. 5 is made of a rubber-like elastic body such as a rubber such as EPDM or a thermoplastic elastomer as in the glass run 31 shown in FIG. 3, and includes an inner side wall 11a, an outer side wall 11b, and both side walls 11a. And a bottom wall 11c that connects 11b and has a substantially U-shaped cross section, and is pushed into the sash 3 of the door frame 2 and attached to the indoor side wall 11a from the side wall end to the bottom wall 11c. A seal lip 11d that extends obliquely inward and elastically contacts the window glass 9 and a lip 11e that extends to the indoor side and is supported by the door frame 2 are formed, and protrudes from an intermediate portion of the side wall 11a. A holding lip 11f that supports the lip 11d and holds the elastic force to the window glass 9 is integrally formed. A sponge material 14 having a specific gravity of 0.04 to 0.4 is extruded and integrally formed with the glass run 11 main body at a lip 11e where an end portion of an inner weather strip, which will be described later, hits. The part required for forming the sponge material 14 on the glass run 11 is in the vicinity of the belt line in the vehicle height direction, but the sponge material can be integrally formed at the required part by variable extrusion.

  The sponge material 14 can be integrally formed by molding on the lip 11e instead of being integrally formed by extrusion, or can be integrated by using an adhesive means such as an adhesive or a double-sided tape.

  On the other hand, a seal lip 11g extending obliquely inward from the side wall end toward the bottom wall 11c and a lip 11h extending in the opposite direction to the bottom wall 11c are integrally formed on the vehicle outer side wall 11b. Both lips 11g and 11h are brought into elastic contact with the window glass 9 from the outside of the vehicle, whereby the window glass 9 is sealed with the sealing lips 11d, 11g and 11h elastically contacted on both sides.

  The door structure to which the glass run 11 is attached may be any structure other than the structure shown in FIGS. 5 to 7, for example, a door frame and a run frame may be separate structures, or a panel door structure.

  The glass run 11 described above may be a known arbitrary structure other than the structure shown in FIG. 5, for example, a glass run having a structure without the seal lip 11h and the holding lip 11f.

  Similar to the glass run 11, the inner weather strip 16 is entirely made of rubber-like elastic material such as rubber such as EPDM or thermoplastic elastomer, and as shown in FIG. It has two seal lips 19 that extend obliquely upward from the lower and middle portions of the mounting base 18 and elastically contact the window glass 9, but other structures, for example, one or three seal lips 19 are provided. It may be provided, or some or all of the plurality of seal lips 19 may have a hollow shape instead of a lip shape.

  Further, the inner weather strip 16 may be a known arbitrary structure other than the structure shown in FIG. 6, for example, a structure of a type in which the core metal 17 is inserted and attached to the door trim without being embedded, or the core metal is embedded. It may be a type of structure that is inserted into the door trim.

  When the inner weather strip 16 is attached to the belt line of the door, as shown in FIG. 6, the end of the inner weather strip 16 does not interfere with the seal lip 11d and the lip 11e, that is, the seal lip 11d of the glass run 11 as the window glass 9 moves up and down. The lip 11e is not obstructed so that the window glass 9 is not hung up and down smoothly, and is obliquely cut so as to be as close as possible to the glass run. The glass run 11 is attached to the door frame 3, and the inner weather strip 16 is attached. In the state of FIG. 6 attached to the belt line, the attachment base end of the inner weather strip 16 is pressed against the sponge material 14 on the lip 11e supported by the door frame 3 and sealed.

  The glass run 21 shown in FIG. 7 has a lip supported by the door frame 2 as a hollow seal portion 22, and the other structure is the same as the glass run 11 shown in FIG. Here, the hollow seal portion 22 is preferably a sponge material, but may be the same non-foaming material as the glass run body.

  In the glass run 21 of the present embodiment, the seal portion 22 is integrally formed by extrusion with the glass run 21 main body. However, not only the seal portion 22 but also a required portion of the glass run 21 including the seal portion 22 may be molded. However, they may be integrated by an adhesive means.

  Similarly to the glass run 11 of the above-described embodiment, the glass run 21 in the present embodiment is sealed by pressing the end portion of the inner weather strip attached to the belt line against the seal portion 22, and the reflected sound in the door Can be prevented from leaking.

  In the above embodiment, the connection portion between the inner weather strip 2 and the glass run 4 in the rear corner portion b of the front door 1a of the automobile shown in FIG. 4 is shown, but the front corner portion a and the rear door of the front door 1a are shown. Even in the front and rear corner portions c and d of 1b, the same effect can be obtained by configuring the glass run connecting portion connected to the end of the inner weather strip in the same manner as in the above embodiment.

1a, 1b · · Door 2 · · Door frame 3 · · Sash 6 · Door trim 9 · Window glass 11, 21 · Glass run 11a · · Car side wall 11b · · Car side wall 11d, 11g, 11h, 19 ·· Seal lip 11e · · Lip 14 · · Sponge material 16 · · Inner weather strip 17 · · Core material 18 · · Mounting base 22 · · Hollow seal portion

Claims (3)

The indoor side wall 11a, the outdoor side wall 11b, the bottom wall 11c connecting both side walls 11a and 11b, and a lip 11d that protrudes obliquely inward from both side wall ends and elastically contacts the window glass 9 from both the inside and outside surfaces. , 11g, and a glass run 11 and 21 attached around the door, and sealing means 14 and 22 projecting toward the center of the window glass project from the indoor side wall end, and the sealing means 14 and 22 include In the glass runs 11, 12, which are attached along the belt line of the automobile door and elastically contact the ends of the inner weather strip 16 which is separated from the glass run and seals with the window glass 9, the glass runs 11, 21 Is attached to the door frame 2, and the sealing means 14, 22 extend from the indoor side wall end toward the center of the window glass and are supported by the door frame 2. Glass run, characterized in that it is provided in-up 11e. The indoor side wall 11a, the outdoor side wall 11b, the bottom wall 11c connecting both side walls 11a and 11b, and a lip 11d that protrudes obliquely inward from both side wall ends and elastically contacts the window glass 9 from both the inside and outside surfaces. , 11g, and a glass run 11 and 21 attached around the door, and sealing means 14 and 22 projecting toward the center of the window glass project from the indoor side wall end, and the sealing means 14 and 22 include In the glass runs 11 and 12, which are attached along the belt line of an automobile door and are elastically contacted with the end portions of the inner weather strip 16 which is separated from the glass run and seals between the glass windows 9, the sealing means is hollow. glass run, wherein Jo seal portion 22 der Rukoto. 3. The glass run according to claim 1, wherein the sealing means is a sponge material integrated with the lip.