JP2007091010A - Automobile glass run - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a glass run which surely seals a space to the car body opening section peripheral edge of a car body at a corner section of an automobile door frame and is easy of fitting. <P>SOLUTION: This automobile glass run has a linear section and a corner section which is attached to the corner sections of the door frame, and is molded by die molding. In the glass run automobile, a corner expanded section 70 is formed separately from a glass run main body on the cabin side on the car internal side wall of the corner section of the glass run main body 13. The corner expanded section 70 is fastened to a cabin-side side wall 30, and at the same time, is fixed to the corner sections of the door frame. Thus, the automobile glass run comes into contact with the corner section of a car body opening section peripheral edge, or the hollow seal section of an opening weather strip which is attached to the corner section of the car body opening section peripheral edge when the door is closed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an automotive glass run that is attached to the inner periphery of a door frame of an automobile door and guides the raising and lowering of the door glass.

As shown in FIG. 15, a glass run 110 for guiding the raising and lowering of the door glass 5 is attached to the inner periphery of the door frame 2 of the door 1 of the automobile. The conventional mounting structure is shown in FIGS. Note that Z 15 is a side view of the door 1 of the automobile.
FIG. 14 is a perspective view of the corner portion 2 b of the door frame 2.
16 is a cross-sectional view taken along the line DD in FIG. FIG. 17 shows another conventional structure in which the trim 7 is attached to the door frame 2 and the glass run 110 is pressed by a part of the trim 7.

  Conventionally, the glass run 110 is mounted in the channel 3 of the door frame 2 as shown in FIGS. 15 and 16, and the door glass 5 is raised and lowered in the door glass opening formed on the inner peripheral side of the door frame 2. Is sealed between the door glass 5 and the door frame 2. Further, the glass run 110 is molded by matching the shape of the door frame 2 with the upper side, the front side vertical side and the rear side vertical side of the door 1 composed of the straight linear part 111 formed by extrusion molding. Connected at the corner 112.

  As shown in FIG. 16, the seal between the door 1 and the vehicle body is the door weather strip 108 attached to the outer periphery of the door frame 2 and / or the opening attached to the flange at the periphery of the door opening of the vehicle body. The weather strip 109 is used. When the door is closed, the opening weather strip 109 abuts against the vehicle inner side surface of the bulging portion 2g of the inner panel 2d of the door frame 2 to seal it.

  As shown in FIG. 16, the glass run 110 has a substantially U-shaped cross section including a vehicle outer side wall 120, a vehicle inner side wall 130, and a bottom wall 140. A vehicle outer side seal lip 150 is provided so as to extend from the vicinity of the front end of the vehicle outer side wall 120 toward the inside of the substantially U-shaped cross section. In addition, a vehicle interior side seal lip 160 is also provided on the vehicle interior side wall 130 so as to extend from the vicinity of the front end thereof toward the inside having a substantially U-shaped cross section. Further, a vehicle outer side cover lip 124 extending from the front end of the vehicle outer side wall 120 toward the bottom wall 140 along the outer surface of the vehicle outer side is extended, and from the front end of the vehicle inner side wall 130 toward the bottom wall 140 along the outer surface of the vehicle inner side. The vehicle interior cover lip 134 is extended to (see Patent Documents 1 and 2, for example).

  The vehicle outer side wall 120, the vehicle inner side wall 130 and the bottom wall 140 are inserted into the channel 3 provided in the door frame 2, and the outer surface of each wall is in contact with the inner surface of the channel 3. One end of the outer panel 2c of the door frame 2 and the channel 3 is inserted between the outer side wall 120 and the outer cover lip 124, and the inner panel 2d and the channel are inserted between the inner side wall 130 and the inner cover lip 134. The other tip of 3 is inserted to hold the glass run 110.

  In the door corner 2b, as shown in FIG. 14, the upper side 2e and the vertical side 2f of the door frame 2 are abutted and joined, and the upper side and the vertical side of the channel 3 are similarly joined. ing. For this reason, the corner portion of the door frame 2 is formed in an acute angle shape, and the glass run 110 is formed in the corner portion 112 by molding in an acute angle shape in accordance with the shape of the channel 3 of the door frame 2.

  On the other hand, the vehicle body (see FIG. 13) is formed by welding a plurality of panels forming the vehicle body, as shown in FIGS. 13 and 14, so that the periphery of the vehicle body opening portion of the vehicle body that the door frame 2 faces when the door is closed 6, the corner portion has a radius of curvature larger than that of the corner portion 2 b of the door frame 2. An opening weather strip 109 is attached to the vehicle body opening periphery 6 of the vehicle body to seal between the door 1 and the vehicle body opening periphery 6. However, as described above, since the radius of curvature is different between the corner portion of the vehicle body opening peripheral edge 6 of the vehicle body and the corner portion 2b of the door frame 2, the hollow seal portion of the opening weather strip 109 and the corner portion 2b of the door frame 2 are formed. The bulging portion 2g could not come into contact with the corner portion, and the sealing performance was lowered.

As shown in FIG. 17, a glass run 110 is attached to the channel 3 of the door frame 2, and a flange 2h is provided on the vehicle inner side of the door frame 2, and a trim 7 is attached to the flange 2h (for example, Patent Documents). 3). For this reason, the hollow seal portion of the opening weather strip 109 can be brought into contact with the inner side surface of the trim 7 at the corner portion.
However, in this case, since the trim 7 is also attached to the door frame 2, the trim 7 is attached with a radius of curvature smaller than the radius of curvature of the corner of the vehicle body opening peripheral edge 6, and the gap cannot be filled sufficiently. Further, it is necessary to manufacture the glass run 110 and the trim 7 and to attach the glass run 110 and the trim 7 to the door frame 2, respectively, which takes time and increases the cost and weight.

Further, a corner bulging portion is formed integrally with the corner portion of the glass run 110 at a portion (corner portion) to be attached to the corner portion 2b of the door frame 2 of the glass run 110, so that the hollow seal portion of the opening weather strip is formed. Some of them are brought into contact with the corners of the plate and sealed. However, in this case, the corner part and the corner bulge part are simultaneously molded with the same mold, so that the mold structure becomes complicated, the molding speed decreases, the productivity does not improve, and the mold cost also increases. Was.
In addition, when the corner portion and the corner bulge portion are formed separately, it takes time and effort to mount the glass run body and the corner portion, and the position of the corner bulge portion 70 varies, resulting in poor sealing performance.
JP-A-4-260814 Japanese Patent No. 2607972 JP 2001-2333060 A

  It is an object of the present invention to provide a glass run that can be easily mounted by securely sealing a space between the opening weather strip and a hollow seal portion at the periphery of a vehicle body opening at a corner portion of a door frame of an automobile door. It is said.

In order to solve the above-mentioned problems, the present invention of claim 1 is attached to the inner periphery of a door frame of a door of an automobile, guides the raising and lowering of the door glass, and includes a linear portion formed by extrusion molding, In a glass run for automobiles having a corner portion formed by molding attached to the corner portion,
The glass run body has a substantially U-shaped cross section composed of a vehicle outer side wall, a vehicle inner side wall, and a bottom wall, and extends from the tip of the vehicle outer side wall and the vehicle inner side wall toward the inside of the substantially U-shaped cross section. A car outer seal lip and a car inner seal lip are provided, and a corner bulging portion is formed separately from the glass run main body on the vehicle inner side wall of the corner portion of the glass run main body. An automobile characterized by being locked to a side wall of a vehicle and fixed to a corner portion of a door frame, and abutting against a hollow seal portion of an opening weather strip attached to a corner portion of a periphery of a vehicle body opening when the door is closed. Glass run.

In the first aspect of the present invention, the glass run main body has a substantially U-shaped cross section composed of the vehicle outer side wall, the vehicle inner side wall, and the bottom wall. A vehicle-side seal lip and a vehicle-side seal lip extending toward the inside of the character shape are provided.
Therefore, when the door is closed, the end portion of the door glass can be housed inside the substantially U-shaped cross section consisting of the vehicle outer side wall, the vehicle inner side wall, and the bottom wall, and the door glass can be securely held. it can. The outside seal lip and the inside seal lip allow the seal lip to contact the door glass as the door glass is raised and lowered, and the outside frame seal lip and the inside seal lip seal between the door frame and the door glass. be able to.

Since the corner bulge is formed separately from the glass run body on the vehicle inner side wall of the corner portion of the glass run body, the mold for molding the corner and the corner bulge can be separated. The mold structure is simplified, the molding speed is increased, the productivity is improved, and the mold cost can be reduced.
Since the corner bulging part is locked to the inner side wall of the vehicle, when the glass run is attached to the door frame, the corner bulging part can be temporarily fixed to the corner part of the glass run. It can be attached to the bulging part of the door frame.

  When the door is closed, the corner bulge comes into contact with the hollow seal portion of the opening weather strip attached to the corner at the periphery of the vehicle body opening. For this reason, the corner bulge portion fills the difference in curvature between the corner portion of the door frame and the periphery of the vehicle body opening of the vehicle body, thereby eliminating the gap, and the hollow bulge portion is applied to the corner bulge portion. In contact with each other, a seal at the corner can be secured.

  The present invention of claim 2 is the glass run for automobiles in which the corner bulging portion is locked at a plurality of locations on the vehicle interior side wall of the glass run body.

  In the second aspect of the present invention, the corner bulging portion is locked to the vehicle inner side wall of the glass run body at a plurality of locations, so that the position at which the corner bulging portion is temporarily fixed is stabilized, and the corner bulging portion is stabilized. The part can be easily attached to the door frame.

  According to the third aspect of the present invention, in order to lock the corner bulging portion to the vehicle inner side wall, a locking protrusion is provided on either the side wall of the corner bulging portion or the vehicle inner side wall, and the locking recess is formed on the other side. Or it is the glass run for motor vehicles provided with the locking hole.

  According to the third aspect of the present invention, since the locking projection is provided on either the side wall of the corner bulging portion or the vehicle interior side wall, and the locking recess or the locking hole is provided on the other side, the locking projection is locked. The corner bulging portion can be temporarily fixed easily by inserting or hooking into the recess or the locking hole. Further, the locking projection, the locking recess and the locking hole can be easily formed at the same time when the corner bulging portion and the corner portion of the glass run body are formed.

  According to a fourth aspect of the present invention, the locking projection includes a head portion and a leg portion, and the glass run for an automobile has a detent on the leg portion.

  In this invention of Claim 4, since the latching protrusion consists of a head part and a leg part and has a detent on the leg part, when the corner bulging part is temporarily secured to the vehicle interior side wall of the glass run, The corner bulging portion does not rotate with respect to the glass run body, the position of the corner bulging portion is stable when the glass run is attached, and it is easy to attach the door to the door frame.

  The present invention of claim 5 is the glass run for automobiles in which the corner bulging portion and the vehicle interior side wall of the glass run body are locked with a double-sided adhesive tape.

  According to the fifth aspect of the present invention, since the corner bulging portion and the vehicle runner side wall of the glass run body are locked with the double-sided adhesive tape, the corner bulge portion is easily adhered to the vehicle runner side wall of the glass run body. Can be temporarily fixed, and it is not necessary to provide special irregularities on the corner bulging portion and the vehicle inner side wall, so that molding is easy.

  The present invention of claim 6 is the glass run for automobiles in which the corner bulging portion is formed of a material harder than the glass run body and having a higher rigidity.

  In the present invention of claim 6, since the corner bulging portion is made of a material harder than the glass run body and has a high rigidity, the shape retention is strong, and the hand is deformed by contacting the opening weather strip when the door is closed. And can be reliably sealed.

  The present invention according to claim 7 is the glass run for automobiles in which the corner bulging portion has an insert embedded therein and has a high rigidity.

  In the present invention of claim 7, since the corner bulging portion is formed with a high rigidity by embedding an insert therein, the strength of the corner bulging portion can be increased even if the same soft material as the glass run is used. The shape can be retained, and the door can be reliably brought into contact with the opening weather strip when the door is closed.

  According to the present invention of claim 8, the corner bulging portion is a glass run for automobiles whose surface is coated with a softer material than the inside.

  In the present invention of claim 8, since the surface of the corner bulging portion is covered with a softer material than the inside, even if there is a seam between the soft material and the hard material in the main body of the corner bulging portion. The surface can be covered with a smooth soft material, which is excellent in aesthetics.

  According to the present invention of claim 9, an inner side wall lip that abuts against a vehicle inner side surface of the bulging portion of the door frame is extended from the tip of the inner side wall of the corner bulging portion so that the inner side wall lip is a main body of the corner bulging portion. It is a glass run for automobiles made of a softer material.

  In this invention of Claim 9, the inner side wall lip which contacts the vehicle inner side surface of the bulging part of the door frame is extended from the front end of the inner side wall of the corner bulging part, and the inner side wall lip is the main body of the corner bulging part. Made of a softer material. For this reason, even if the inner side wall lip has irregularities on the surface of the bulging portion of the door frame, it can be brought into close contact with the side wall of the bulging portion, the sealing performance is improved, and the appearance is good.

  According to the tenth aspect of the present invention, the corner bulging portion has a substantially U-shaped cross section with the outer side wall, the inner side wall, and the lower wall, and the outer side wall and the inner side wall have a substantially triangular shape in plan view. The bottom side of the glass is continuous with the lower wall and has a radius of curvature that is substantially the same as the radius of curvature of the corner of the periphery of the vehicle body opening, and the outer side wall has a shape that contacts the inner side wall of the corner of the glass run body. It is a glass run for automobiles.

In the present invention of claim 10, the corner bulging portion has a substantially U-shaped cross section with the outer side wall, the inner side wall, and the lower wall, and the outer side wall and the inner side wall have a substantially triangular shape in plan view, The shape of the corner bulge attached to the corner of the glass run body and the corner of the periphery of the vehicle body opening are substantially the same, and the gap generated by the difference in the radius of curvature described above is blocked at this corner bulge. Can do.
The bottom of the substantially triangular shape is continuous with the lower wall and has the same radius of curvature as that of the corner of the periphery of the vehicle body opening. Therefore, the corner bulge is formed along the corner of the periphery of the opening of the vehicle body. The base can be located.

  The outer side wall has a shape that is continuous with the tip of the vehicle inner side wall at the corner portion of the glass run body or abuts with the tip of the vehicle inner side wall. For this reason, when the corner bulging portion is mounted, the tip of the vehicle runner side wall of the glass run body and the outer side wall of the corner bulge portion can be in close contact with each other in a plane, and between the glass run and the corner bulge portion. Can be sealed, and the corner bulge can be held.

  According to the eleventh aspect of the present invention, the corner bulge is integrated with the glass run body, and the glass for automobile is attached to the surface on the door glass opening side of the bulge of the door frame with a clip or a double-sided adhesive tape. It is a run.

In the present invention of claim 11, the corner bulging portion is fixed to the surface of the bulging portion of the door frame in the state of being integrated with the glass run body with a clip or a double-sided adhesive tape. When the run is mounted on the door frame, it can be easily and reliably fixed by simply pressing the corner bulging portion against the door frame.
Moreover, when it adheres with a double-sided adhesive tape, it is not necessary to provide a clip attachment hole in a door frame, and a sealing performance improves.

  The invention according to claim 12 is the glass run for automobiles in which the corner bulging portion is formed with a plurality of ribs connecting the outer side wall, the inner side wall, the lower wall, and the upper wall.

  In the present invention of claim 12, the corner bulging portion is formed with a plurality of ribs connecting the outer side wall, the inner side wall, the lower wall, and the upper wall. For this reason, the outer side wall and the inner side wall can be flexibly held in a substantially U-shaped cross section, the distance between the outer side wall and the inner side wall can be maintained, and the sealing property between the opening weather strip and the corner bulging portion can be maintained. Can be improved.

  According to a thirteenth aspect of the present invention, the clip for mounting the corner bulge portion to the bulge portion of the door frame is a glass run for an automobile formed integrally with the upper wall.

  In the present invention of claim 13, since the clip for mounting the corner bulging portion to the bulging portion of the door frame is formed integrally with the rib, the clip can be formed of a hard material at the same time as the corner bulging portion. In addition, a clip can be inserted at the same time when the corner bulge is mounted.

  According to the present invention of claim 14, the linear portion of the glass run is formed of EPDM rubber or an olefinic thermoplastic elastomer, and the corner portion and the corner bulging portion of the glass run are formed of an olefinic thermoplastic elastomer. It is a glass run.

  In this invention of Claim 14, the linear part of a glass run is formed with EPDM rubber or an olefin type thermoplastic elastomer, and the corner part and corner bulge part of a glass run are formed with an olefin type thermoplastic elastomer. For this reason, the straight line portion of the glass run has good weather resistance, and the corner portion and the corner bulge portion of the glass run do not need vulcanization, are easy to mold, and have flexibility. Furthermore, since the straight line portion and the corner portion of the glass run are formed of the same olefin-based material, it is possible to obtain an easily recyclable product having good adhesion and weather resistance.

In the present invention, since the corner bulging portion is formed separately from the glass run body, the mold for molding the corner portion and the corner bulging portion can be separated, the mold structure is simplified, and the molding speed is increased. As a result, the mold cost can be reduced.
Also, since the corner bulge is locked to the vehicle runner side wall of the glass run body, when the glass run body is attached to the door frame, it must be attached at the same time temporarily attached to the corner of the glass run body. The corner portion of the glass run can be easily attached to the bulging portion of the door frame.

An embodiment of the present invention will be described with reference to FIGS.
FIG. 15 is a side view of the door 1 of the automobile. FIG. 1 is a perspective view of a glass run 10 with a corner bulging portion 70 attached to a corner portion 12 of a glass run body 13 according to an embodiment of the present invention. FIG. 2 is a perspective view of the corner portion 12 of the glass run body 13. 3 is a cross-sectional view taken along line BB in FIG. 4 is a cross-sectional view taken along the line CC of FIG. FIG. 5 is a partial perspective view of the corner bulging portion 70 showing a state of a locking member for attaching the corner bulging portion 70 to the corner portion 12 of the glass run main body 13. FIG. 6 is a cross-sectional view taken along the line AA of FIG. 1 showing a second embodiment of the present invention. FIG. 7 is a perspective view illustrating the shape of the locking protrusion of the corner bulging portion 70 according to the second embodiment. 8 to 11 are cross-sectional views taken along the line AA of FIG. 1 showing another embodiment of the present invention.

  As shown in FIG. 15, the door frame 2 is provided in the upper part of the door 1 of a motor vehicle, and the door glass 5 is attached so that raising / lowering is possible. That is, the door glass 5 and the glass run 10 are provided in the door glass opening on the inner periphery of the door frame 2, and the glass run 10 guides the raising and lowering of the door glass 5, and the door glass 5 and the door frame 2 The gap is sealed.

The glass run 10 includes a glass run main body 13 and a corner bulging portion 70, and the glass run main body 13 is attached to a substantially linear straight portion 11 formed by extrusion molding as a whole and a corner portion of the door frame 2. The straight portion 11 is connected to the corner portion 12 formed by molding.
The straight portion 11 includes an upper side portion attached to the upper side of the door frame 2, a vertical side portion attached to the rear side vertical side of the door frame 2, and a vertical side portion attached to the front side vertical side of the door frame 2. . On the front side of the door, the upper side portion of the door frame 2 is formed obliquely downward toward the front, and forms an obtuse angle with the front side vertical side portion.

The glass run body 13 is formed by connecting the straight portions 11 by molding at the corner portions so as to have a shape corresponding to the door frame 2, thereby forming the corner portions 12. The corner portion 12 of the main body 13 is a portion to be attached to the corner portion 2 b of the door frame 2.
The corner 2b of the door frame 2 is provided with a channel 3 having a substantially U-shaped cross section, as shown in FIGS. 3 and 14, and the like in the channel 3 inside the outer panel 2c of the door frame 2 and the inner panel 2d. The corner portion 12 of the glass run body is held.

The cross-sectional shape of the straight portion 11 of the glass run main body 13 attached to the upper side of the door frame 2 is substantially U-shaped in cross section from the vehicle outer side wall 20, the vehicle inner side wall 30, and the bottom wall 40 as shown in FIG. Is formed. 12 is a cross-sectional view taken along the line DD in FIG.
The glass run main body 13 basically has a substantially U-shaped cross-sectional shape in the portion attached to the upper side portion of the door frame 2 and the portion attached to the vertical side portion.

  A vehicle outer side seal lip 50 extends from the front end of the vehicle outer side wall 20 toward the inside of the substantially U-shaped cross section. A vehicle outer cover lip 24 is provided at the tip of the vehicle outer side wall 20 so as to cover the vehicle outer side end of the channel 3 of the door frame 2. A vehicle interior seal lip 60 extends from the front end of the vehicle interior side wall 30 toward the inside of the substantially U-shaped cross section, and the vehicle interior cover lip 34 is located at the front end of the vehicle interior side wall 30 except for the corner portion. The door frame 2 is provided so as to cover the vehicle inner side end of the channel 3.

  A vehicle outer side holding lip 22 is provided in the vicinity of the base near the continuous portion with the bottom wall 40 of the vehicle outer side wall 20. The vehicle outer side holding lip 22 is in contact with the channel 3 and the folded step portion of the outer panel 2 c to seal between the inner surface of the channel 3. Further, the vehicle outer side holding lip 22 is engaged with the step portion of the outer panel 2c to prevent the glass run main body 13 from being detached from the channel 3.

The vehicle interior side wall 30 and the vehicle interior seal lip 60 are larger than the vehicle exterior side wall 20 and the vehicle exterior seal lip 50 and extend obliquely and are formed thick. For this reason, the door glass 5 can be positioned on the vehicle exterior side, and the level difference between the door glass 5 and the door frame 2 can be reduced. For this reason, generation | occurrence | production of air resistance and a wind noise reduces, and it is preferable also in design.
As described above, the vehicle inner side cover lip 34 is continuously formed at the tip of the vehicle inner side wall 30 except for the corner portion. The vehicle interior cover lip 34 covers the continuous portion of the channel 3 and the inner panel 2d on the upper side and the vertical side of the door frame 2 to improve the appearance from the vehicle interior.

  A vehicle interior holding lip 32 extends from the vehicle interior side wall 30. When the glass run main body 13 is mounted, the vehicle inner side wall of the channel 3 has a bent portion. Therefore, the vehicle inner side holding lip 32 is locked to the bent portion, so that the vehicle inner side wall of the glass run main body 13 is engaged. 30 can be prevented from coming off channel 3. The vehicle interior holding lip 32 is in contact with the bent portion of the channel 3 to hold the glass run body 13 and seal between the channel 3 and the glass run body 13.

  Low sliding members such as polyethylene resin, urethane resin, silicone resin, and olefin-based thermoplastic elastomer are formed on the surfaces of the vehicle exterior seal lip 50 and the vehicle interior seal lip 60 that contact the door glass 5. For this reason, when the door glass 5 slides in the glass run main body 13, the sliding resistance can be reduced. Further, since the sliding resistance with the door glass 5 is reduced, it is possible to prevent the glass run body 13 from being displaced from the channel 3 as a result.

Further, a low sliding member may be formed on the inner surface of the vehicle outer side wall 20 and the rear surface of the vehicle outer seal lip 50. In this case, adhesion between the vehicle outer side seal lip 50 and the vehicle outer side wall 20 can be prevented.
A low sliding member such as urethane resin is formed on the inner surface of the bottom wall 40 having a substantially U-shaped cross section, like the seal lips 50 and 60. For this reason, sliding resistance with the door glass 5 can be reduced.

Next, the corner part 12 and the corner bulging part 70 of the glass run body 13 will be described.
As shown in FIG. 14, the door frame 2 has an upper side portion formed substantially horizontally and a vertical side portion slightly inclined to the rear side in the corner portion 2b on the rear side of the automobile door. And the vertical side portion are joined so that the upper side portion and the vertical side portion form an acute angle. A channel 3 is provided in a corner 2 b on the rear side of the door frame 2, and the channel 3 is joined so that the vertical side and the upper side form an acute angle in the same manner as the door frame 2.
At this time, the corner portion of the vehicle body opening peripheral edge 6 of the vehicle body is formed with a radius of curvature larger than the angle of the corner portion 2b of the door frame 2 as shown in FIGS.

The corner portion 12 of the glass run body 13 connects the straight portion 11 attached to the upper side portion and the vertical side portion of the door frame 2 as shown in FIGS. 1, 2, and 15, and the corner portion 2 b of the door frame 2. In order to form a shape along the shape, it is formed by molding. At the corner, the glass run 10 is engaged with the vehicle interior side wall 30 of the glass run body 13 on the vehicle interior side in order to fill a gap due to the difference in curvature radius between the corner portion 2b of the door frame 2 and the vehicle body opening periphery 6. It has a corner bulging portion 70 to be stopped.
The corner bulging portion 70 of the present invention is formed separately from the corner portion 12 of the glass run body 13.

1st Embodiment is described based on FIGS. 1-5 about the corner part 12 and the corner bulging part 70 of this invention.
FIG. 1 is a perspective view of the corner portion 12 of the glass run body 13 of the glass run 10 in a state where the corner bulging portion 70 is locked, and FIG. 2 shows the glass run before the corner bulging portion 70 is locked. 3 is a perspective view of a main body 13. FIG.

  The corner portion 12 of the glass run body 13 is formed so as to be attached to the corner portion 2b of the door frame 2. As shown in FIG. And the bottom wall 40 is formed in a substantially U-shaped cross section. Although the cross-sectional shapes of the upper side portion and the vertical side portion of the straight line portion 11 are slightly different, they are connected by continuously changing the difference at the corner portion 12. Similarly to the straight portion, an inboard seal lip 60 and an outboard seal lip 50 extend from the inboard side wall 20 and the inboard side wall 30 toward the inside of the glass run body 13.

  The glass run main body 13 of the upper side part and the vertical side part of the straight part 11 is sandwiched between the molds forming the corner parts 12. Therefore, when the corner portion 12 is molded, the corner portion 12 of the glass run body 13 is joined to the upper side portion and the vertical side portion of the straight portion 11 by vulcanization adhesion or heat welding.

  The vehicle interior side wall 30 of the corner portion 12 is formed longer than the vehicle exterior side wall 21, and a vehicle interior seal lip 60 is extended from the front end thereof. By forming the corner portion 12 in this way, when the door glass 5 rises and the front end enters the inside of the glass run body 13 having a substantially U-shaped cross section, the door glass is also formed inside the corner portion 12. 5, the front end of the door glass 5 can be sealed by the vehicle inner seal lip 60 and the vehicle outer seal lip 50 in the same manner as the straight portion 11.

  As described above, the corner bulging portion 70 is formed so as to be attached to the corner portion 12 of the glass run main body 13 and to exist at a position corresponding to the corner portion of the vehicle body opening periphery 6. As shown in FIGS. 1 and 3, the corner bulging portion 70 has a substantially U-shaped cross section including an outer side wall 71, an inner side wall 72, and a lower wall 73. The outer side wall 71 is formed substantially in parallel so as to contact the vehicle inner side wall 30 of the corner portion 12. A lower wall 73 is bent from the front end of the outer side wall 71 in an inward direction at a substantially right angle, and an inner side wall 72 is formed from the front end of the lower wall 73 substantially parallel to the outer side wall 71 or in a slightly arc shape. A plurality of ribs, for example, a first rib 77 and a second rib 78 are formed between the inner side wall 72 and the outer side wall 71. Some of the ribs are formed integrally with the lower wall 73 at the bottom. The inner side surface of the inner side wall 72 is formed substantially flush with the inner side surface of the bulging portion of the door frame 2. An upper wall 74 is formed in parallel with the second rib 78.

  In the planar shape of the corner bulging portion 70, the outer side wall 71 and the inner side wall 72 have a substantially triangular shape as shown in FIG. The substantially triangular bases of the outer side wall 71 and the inner side wall 72 are formed continuously with the lower wall 73, and the cross-sectional shape of the corner bulging portion 70 is substantially U-shaped in cross section as described above, and the upper wall 74. If it adds up, it will become a cross-sectional substantially square shape. The substantially triangular bases of the outer side wall 71 and the inner side wall 72 are curved, and form a curvature radius that is substantially the same as the curvature radius of the corner portion of the vehicle body opening periphery 6.

As shown in FIG. 2, in the corner portion 12, a first locking member 35 and a second locking member 36 are formed on the outer surface of the vehicle interior side wall 30 of the glass run body 13. The first locking member 35 is formed in a plate shape on the upper side of the corner portion 12 so as to be substantially parallel to the upper side, and a notch portion 35b is formed as a locking recess at a substantially central portion thereof.
As shown in FIG. 3, when the corner bulging portion 70 is locked to the corner portion 12 of the glass run main body 13, the clip 76 is used as a locking projection formed or attached to the corner bulging portion 70. Insert into the notch 35b. The clip 76 may be formed integrally with the upper wall 74 of the corner bulging portion 70 or may be formed separately from the upper wall 74.

Further, as shown in FIG. 4, the second locking member 36 as a locking protrusion is formed at the corner of the corner portion 12 of the glass run main body 13 and is formed in a bowl shape with an L-shaped cross section. . When the corner bulging portion 70 is locked to the corner portion 12 of the glass run body 13, the second locking member 36 is inserted into the locking hole 71 b formed in the outer side wall 71 of the corner bulging portion 70. And locked.
Accordingly, the corner bulging portion 70 can be temporarily fixed by being locked to the corner portion 12 of the glass run main body 13.
In the present embodiment, the first locking member 35 and the second locking member 36 are provided at two locations, but may be provided at one location or three or more locations.

The shapes of the clip 76 and the locking hole 71b of the corner bulging portion 70 are shown in FIG. FIG. 5 is a perspective view of a corner portion of the corner bulging portion 70. When the corner bulging portion 70 is attached to the corner portion 12 of the glass run body 13, the clip 76 of the corner bulging portion 70 is inserted into the cutout portion 35 b of the first locking member 35 to lock the corner bulging portion 70. The second locking member 36 is inserted into the hole 71b.
In this way, the corner bulging portion 70 can be temporarily fixed and attached to two stable positions of the corner portion 12 of the glass run main body 13, and the corner bulging portion 70 together with the glass run main body 13 can be attached to the door frame 2. Can be easily installed.

  When the glass run body 13 is mounted on the door frame 2, it is mounted in the channel 3 formed at the tips of the outer panel 2c and the inner panel 2d of the door frame 2. At this time, in the corner portion 2 b of the door frame 2, the corner bulging portion 70 is attached to the bulging portion 2 g of the door frame 2. That is, the inner panel 2d of the door frame 2 is integrally extended from the channel 3 and forms a bulging portion 2g having a flat bottom surface. The upper wall 74 of the corner bulging portion 70 contacts the lower surface of the bulging portion 2g of the inner panel 2d. As shown in FIG. 1, a clip 76 is integrally formed on the upper wall 74. The clip 76 is attached to a surface on the door glass opening side of the bulging portion 2g of the inner panel 2d, that is, a mounting hole provided on the lower surface. Instead of the clip 76, a double-sided adhesive tape may be attached to the upper surface of the upper wall 74 and bonded. When using a double-sided adhesive tape, it is not necessary to provide a mounting hole in the inner panel 2d.

When the corner bulging portion 70 is attached to the lower surface of the bulging portion 2g of the inner panel 2d, the inner side wall lip 72b of the inner side wall 72 of the corner bulging portion 70 is brought into contact with the inner side surface of the bulging portion 2g of the inner panel 2d. In contact with each other, substantially the same surface is formed. A corner portion of the hollow seal portion 9a of the opening weather strip 9 attached to the peripheral edge 6 of the vehicle body abuts on this surface.
Since the curvature radius of the bottom portion of the corner bulging portion 70 is substantially the same as the curvature radius of the corner portion of the vehicle body opening peripheral edge 6 of the vehicle body, the glass run 10 (the glass run main body 13 and the corner bulging portion 70) is the door. After being attached to 1, when the door is closed, the corner bulging portion 70 can contact and seal the corner portion of the hollow seal portion 9a of the opening weather strip 9.

  The corner bulging portion 70 is formed of a material that is harder than the corner portion 12 of the glass run body 13 and has higher rigidity. For example, the corner portion 12 can use hard rubber or hard synthetic resin as the hard material, and can use hard EPDM rubber having a JIS hardness HA of 85 ° to 95 ° as the hard rubber. As the hard synthetic resin, hard polyethylene, polypropylene, or the like can be used. Furthermore, a hard olefin-based thermoplastic elastomer having a JIS hardness HA of 85 ° to 95 ° can also be used. Since a material having the above hardness is used as the hard material, deformation of the corner bulging portion 70 can be prevented even without an insert member.

When the corner bulging portion 70 of the glass run 10 is formed, the hard material is made of hard EPDM rubber, hard polyethylene, polypropylene, or the like as described above, and the other parts are made of soft EPDM rubber or olefin. In the case of forming with a thermoplastic elastomer, an injection molding machine can be used to inject and mold two materials, hard and soft, into respective cavities in a molding die.
Note that the corner bulging portion 70 may be made of a hard material, and an insert may be embedded therein to increase rigidity. In this case, even if the same soft material as that of the glass run body 13 is used, the strength of the corner bulging portion 70 can be increased, the shape retaining property is strong, and the opening weather strip is reliably abutted when the door is closed. And can be sealed.

  An inner side wall lip 72 b is formed at the tip of the inner side wall 72 of the corner portion 12. The tip of the inner side wall lip 72b is in contact with the surface of the bulging portion 2g of the door frame 2 as described above. The inner side wall lip 72b is formed of a softer material than the main body, which is another part of the corner bulging portion 70. For this reason, even if the inner side wall lip 72b has irregularities on the surface of the bulging portion 2g of the door frame 2, it can be adhered along the surface, the sealing performance is improved, and the appearance is good.

The inner side wall lip 72b can be formed of a soft EPDM rubber having a JIS hardness HA of 60 ° to 85 ° or an olefin-based thermoplastic elastomer. For this reason, it is possible to follow the change of the shape of the surface of the bulging part 2g of the door frame 2, and to have sufficient flexibility.
In addition, the surface of the corner bulging part 70 can be coat | covered with the soft material which formed the inner side wall lip 72b. The joint portion between the inner side wall lip 72b and the main body of the corner bulging portion 70 is also hidden and looks good.

  Next, a second embodiment of the present invention will be described with reference to FIG. The second embodiment is different from the first embodiment in that a projection 31 as a locking projection is provided on the vehicle interior side wall 30 of the glass run body 13, and a locking hole 71 b is formed in the corner bulging portion 70. The other points are the same as those of the first embodiment except that the protrusion 31 is inserted and temporarily fixed in the locking hole 71b. Therefore, the description of the same points is omitted, and different points in the second embodiment will be mainly described.

In the second embodiment, mushroom-shaped protrusions 31 are formed on the outer surface of the vehicle interior side wall 30 of the glass run body 13. The shape of this mushroom-shaped protrusion 31 is shown in FIGS. The protrusion 31 in FIG. 7A has an umbrella-shaped tip as a head and a leg in a cylindrical shape.
The protrusion 31 in FIG. 7B has an umbrella-shaped tip as a head and a square columnar leg. In this case, if the locking hole 71b of the corner bulging portion 70 is square as shown in FIG. It can prevent rotating around the protrusion 31. Because of this rotation prevention, when the corner bulging portion 70 is temporarily fixed to the vehicle interior side wall 30 of the glass run main body 13, the corner bulging portion 70 does not rotate with respect to the glass run main body 13. The position 70 is stable and can be easily attached to the door frame 2.

  Next, a third embodiment of the present invention will be described with reference to FIG. The third embodiment is different from the first embodiment in that the corner bulging portion 70 is held by the corner bulging portion holding lip 37 of the glass run main body 13, and the other portions are the same as those in the first embodiment. This is the same as the first embodiment. Accordingly, the description of similar points is omitted, and different points in the third embodiment will be mainly described.

  In the third embodiment, a corner bulging portion holding lip 37 is extended from the tip of the vehicle inner side wall 30 of the glass run main body 13 in the vehicle interior direction, and further bent upward so as to wrap the corner bulging portion 70. The tip is formed so as to contact the side surface on the vehicle inner side of the bulging portion 2g of the door frame 2. When the corner bulging portion 70 is attached to the glass run body 13, first, the double-sided adhesive tape 79 is attached to the lower wall 73 of the corner bulging portion 70. Thereafter, the corner bulging portion 70 is bonded to the U-shaped inner surface formed by the vehicle interior side wall 30 of the glass run main body 13 and the corner bulging portion holding lip 37 with a double-sided adhesive tape 79.

  The corner bulging portion 70 held by the double-sided adhesive tape 25 on the corner bulging portion holding lip 37 inserts the glass run main body 13 into the channel 3 when the glass run 10 is mounted on the door frame 2, and The clip 76 of the protruding portion 70 is inserted into an attachment hole formed in the bulging portion 2g of the door frame 2. Thus, after the glass run 10 is mounted on the door 1, when the door is closed, the inner side surface of the corner bulging portion holding lip 37 comes into contact with the corner portion of the hollow seal portion 9 a of the opening weather strip 9 and seals. can do.

  Next, a fourth embodiment of the present invention will be described with reference to FIG. The fourth embodiment is different from the first embodiment in that the projection 71 c is provided on the outer side wall 71 of the corner bulging portion 70 and the locking hole 38 is provided on the inner side wall 30 of the glass run body 13. The other points are the same as in the first embodiment except that they are inserted into the locking holes 38. Therefore, description of similar points is omitted, and different points in the fourth embodiment will be mainly described.

In the fourth embodiment, as described above, the clip-like protrusion 71c that is a locking protrusion is provided on the outer surface of the outer side wall 71 of the corner bulging portion 70 in the vehicle exterior direction. A locking hole 38 penetrating the vehicle interior side wall 30 of the glass run 10 is provided, and a protrusion 71 c is inserted into the locking hole 38 to temporarily fix the corner bulging portion 70 to the glass run main body 13.
Thereafter, the glass run body 13 is attached to the channel 3 of the door frame 2, and the clip 76 of the corner bulging portion 70 is inserted into an attachment hole formed in the bulging portion 2 g of the door frame 2. Thereby, after the glass run 10 is mounted on the door 1, when the door is closed, the inner side wall 72 of the corner bulging portion 70 contacts and seals the corner portion of the hollow seal portion 9 a of the opening weather strip 9. be able to.

  Next, a fifth embodiment of the present invention will be described with reference to FIG. The fifth embodiment is different from the first embodiment in that the corner bulging portion 70 and the glass run main body 13 are bonded with a double-sided adhesive tape 80, and the other portions are the same as in the first embodiment. It is the same as the form. Therefore, description of similar points is omitted, and different points in the fifth embodiment will be mainly described.

In the fifth embodiment, a double-sided adhesive tape 80 is attached to the outer surface of the outer side wall 71 of the corner bulging portion 70. Then, the double-sided adhesive tape 80 is adhered to the interior side surface of the vehicle interior side wall 30 of the glass run body 13, and the corner bulging portion 70 is temporarily fixed to the glass run body 13.
Thereafter, the glass run body 13 is attached to the channel 3 of the door frame 2, and the clip 76 of the corner bulging portion 70 is inserted into an attachment hole formed in the bulging portion 2 g of the door frame 2. Thereby, after the glass run 10 is mounted on the door 1, when the door is closed, the inner side wall 72 of the corner bulging portion 70 contacts and seals the corner portion of the hollow seal portion 9 a of the opening weather strip 9. be able to.

  Next, a sixth embodiment of the present invention will be described with reference to FIG. The sixth embodiment is different from the first embodiment in that the corner bulging portion 70 and the glass run main body 13 are bonded with a double-sided adhesive tape 80, and the lower wall 73 of the corner bulging portion 70 is recessed. The other points are the same as those of the first embodiment except that 73b is provided. Accordingly, the description of similar points is omitted, and different points in the sixth embodiment will be mainly described.

  In the sixth embodiment, as in the fifth embodiment, the double-sided adhesive tape 80 is attached to the outer surface of the outer side wall 71 of the corner bulging portion 70. Then, the double-sided adhesive tape 80 is adhered to the interior side surface of the vehicle interior side wall 30 of the glass run body 13, and the corner bulging portion 70 is temporarily fixed to the glass run body 13. At that time, a concave portion 73b is formed on the outer side of the lower wall 73 of the corner bulging portion 70, and the inner cover lip 34 of the glass run main body 13 is accommodated in the concave portion 73b. For this reason, the glass run body 13 and the corner bulging portion 70 can be in close contact with each other, and the interior cover lip 34 and the lower wall 73 of the corner bulging portion 70 can form a smooth surface, so that the appearance is good.

  Thereafter, as in the fifth embodiment, the glass run body 13 is attached to the channel 3 of the door frame 2, and the clip 76 of the corner bulging portion 70 is attached to the mounting hole formed in the bulging portion 2g of the door frame 2. insert. Thereby, after the glass run 10 is mounted on the door 1, when the door is closed, the inner side wall 72 of the corner bulging portion 70 contacts and seals the corner portion of the hollow seal portion 9 a of the opening weather strip 9. be able to.

Next, the manufacturing method of the glass run main body 13 and the corner bulging part 70 is demonstrated.
In the molding of the glass run 10, synthetic rubber, thermoplastic elastomer, and soft synthetic resin are used as the molding material for the straight portion 11 and the corner portion 12 of the glass run body 13. For example, for synthetic rubber, EPDM rubber, heat For plastic elastomers, olefin-based elastomers, and for soft synthetic resins, soft vinyl chloride or the like is used. When EPDM rubber and olefin-based elastomer are used, recycling is easy because of the same material.
The straight portion 11 is formed in a straight line by an extrusion molding machine.
In the case of synthetic rubber, it is conveyed to a vulcanizing tank after extrusion and heated by hot air or high frequency to vulcanize. In the case of a thermoplastic elastomer or a soft synthetic resin, it is cooled and solidified. Thereafter, it is cut to a predetermined length to produce an extruded part.

  Next, the molding part forming the corner portion 12 of the glass run body 13 is formed by cutting the extruded member forming the linear part 11 manufactured as described above into a predetermined dimension, and the end of the cut extrusion part. The part is sandwiched between the molds for molding the molded part, and the material for forming the molded part is injected into the cavity of the mold. The cross-sectional shape of the molded part is substantially the same as the cross-sectional shape of the extruded part. As the molding material, it is preferable to use the same type of material as that used for the extruded portion in the corner portion 12, and a material harder than the material used for the extruded portion is used in the corner bulging portion 70. To do. In the case of a thermoplastic elastomer or a soft synthetic resin, since the injected material is melted when injected into the mold, the extruded part and the molded part are integrally fused by the heat and pressure.

The corner bulging portion 70 is formed by a mold different from the corner portion 12 of the glass run body 13.
Since molding is performed using different molds, the structure of each mold is simplified, molding becomes easy, and the cost of the mold can be reduced.
In the case of synthetic rubber, the mold is heated and vulcanized after being poured into the mold. At this time, since the extrusion molding part and the molding part can be vulcanized and bonded using the same material or the same kind of material, they are integrally fixed.
When the extruded part is formed of synthetic rubber, the mold part can be formed of a thermoplastic elastomer.
In the above embodiment, the clip is integrally molded with the molding material. However, the clip may be made of a separate synthetic resin, and the resin plate including the clip portion is insert-molded. A corner bulging portion may be formed.

It is a perspective view of the corner part and corner bulge part of the glass run which is embodiment of this invention. It is a perspective view of the corner part of the glass run main body which is the 1st Embodiment of this invention. It is sectional drawing in alignment with the BB line in FIG. 2 of the corner part and corner bulging part of the glass run main body which is the 1st Embodiment of this invention. It is sectional drawing along CC line in FIG. 2 of the corner part and corner bulge part of the glass run main body which is the 1st Embodiment of this invention. It is a partial perspective view of the corner | angular part of the corner bulging part which is the 1st Embodiment of this invention. It is sectional drawing along the AA line of FIG. 1 of the corner part and corner bulge part of the glass run which is 2nd Embodiment of this invention. It is a perspective view of the protrusion formed in the vehicle inner side wall of the glass run which is the 2nd Embodiment of this invention. (A) is a 1st form of a processus | protrusion, (B) is a 2nd form of a processus | protrusion. It is sectional drawing along the AA line of FIG. 1 of the corner part and corner bulge part of the glass run which is the 3rd Embodiment of this invention. It is sectional drawing along the AA line of FIG. 1 of the corner part and corner bulge part of the glass run which is the 4th Embodiment of this invention. It is sectional drawing along the AA line of FIG. 1 of the corner part and corner bulge part of the glass run which is the 5th Embodiment of this invention. It is sectional drawing along the AA line of FIG. 1 of the corner part and corner bulging part of the glass run which is the 6th Embodiment of this invention. It is sectional drawing in the linear part of the glass run which is embodiment of this invention. It is a perspective view of a car. It is a perspective view of the corner part of the door frame 2 of a motor vehicle door. It is a side view of the door of a motor vehicle. It is an attachment relation figure of the weather strip in the conventional door frame. It is a perspective view of the corner part of the other conventional glass run.

Explanation of symbols

2 Door frame 2b Corner part 6 Car body opening periphery 10 Glass run 11 Straight line part 12 Corner part 13 Glass run body 30 Car side wall 35 First locking member 36 Second locking member 70 Corner bulging part 71 Outer side wall 71b Stop hole 71c Protrusion 72 Inner side wall 73 Lower wall 74 Upper wall 75 Insert 76 Clip 79, 80 Adhesive tape

Claims (14)

It is attached to the inner periphery of the door frame of an automobile door, guides the raising and lowering of the door glass, and includes a straight part formed by extrusion molding and a corner part formed by molding attached to the corner part of the door frame. In the automotive glass run
The glass run body has a substantially U-shaped cross section including a vehicle outer side wall, a vehicle inner side wall, and a bottom wall. From the front end of the vehicle outer side wall and the vehicle inner side wall, the glass run body is directed toward the inside of the substantially U-shaped cross section. A car outer seal lip and a car inner seal lip,
A corner bulging portion is formed separately from the glass run main body on the vehicle inner side wall of the corner portion of the glass run main body, and the corner bulging portion is locked to the vehicle inner side wall. A glass run for an automobile fixed to a corner portion of the door frame and abutting against a hollow seal portion of an opening weather strip attached to a corner portion of the periphery of the vehicle body opening when the door is closed.   The glass run for an automobile according to claim 1, wherein the corner bulging portion is locked at a plurality of locations on a vehicle inner side wall of the glass run body.   In order to lock the corner bulging portion to the vehicle inner side wall, a locking projection is provided on either the side wall of the corner bulging portion or the vehicle inner side wall, and a locking recess or a locking hole on the other side. The glass run for automobiles according to claim 1 or 2 provided with.   The glass run for an automobile according to claim 3, wherein the locking projection includes a head portion and a leg portion, and the leg portion has a detent.   The automotive glass run according to claim 1 or 2, wherein the corner bulging portion and the inner side wall of the glass run body are locked with a double-sided adhesive tape.   The glass run for an automobile according to any one of claims 1 to 5, wherein the corner bulging portion is formed of a material harder than the glass run body and having a higher rigidity.   The glass run for an automobile according to any one of claims 1 to 5, wherein the corner bulging portion is formed by embedding an insert therein to increase its rigidity.   The automotive glass run according to any one of claims 1 to 7, wherein the corner bulging portion has a surface coated with a softer material than the inside.   An inner side wall lip that abuts the vehicle inner side surface of the bulged portion of the door frame extends from the tip of the inner side wall of the corner bulged portion, and the inner side wall lip is softer than the main body of the corner bulged portion. The glass run for motor vehicles in any one of Claim 1 thru | or 8 formed with the material.   The corner bulging portion has a substantially U-shaped cross section with the vehicle outer side wall, the vehicle inner side wall, and the lower wall, and the outer side wall and the inner side wall have a substantially triangular shape in plan view, Continuing with the lower wall and having a radius of curvature that is substantially the same as the radius of curvature of the corner of the periphery of the vehicle body opening, the outer side wall has a shape that contacts the inner side wall of the corner of the glass run body. The glass run for automobiles according to any one of claims 1 to 9.   11. The corner bulging portion is attached to a surface on the door glass opening side of the bulging portion of the door frame in a state integrated with the glass run body with a clip or a double-sided adhesive tape. An automotive glass run according to any one of the above.   The automotive glass run according to any one of claims 1 to 11, wherein the corner bulging portion has a plurality of ribs connecting the outer side wall, the inner side wall, the lower wall, and the upper wall.   The glass run for an automobile according to claim 12, wherein the clip for mounting the corner bulging portion to the bulging portion of the door frame is formed integrally with the upper wall.   14. The straight portion of the glass run is formed of EPDM rubber or an olefinic thermoplastic elastomer, and the corner portion and the corner bulging portion of the glass run are formed of an olefinic thermoplastic elastomer. An automotive glass run according to any one of the above.

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