JP2007118637A - Mounting structure of glass run - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To securely mount a glass run to a laser welded door frame so as to have a good appearance. <P>SOLUTION: In a mounting structure of a glass run 10, a body portion of the glass run forms a roughly U shape section composed of an exterior-side side wall 20, an interior-side side wall 30 and a bottom wall 40, and is provided with a vehicle-exterior-side cover lip 22 and a vehicle-interior-side cover lip 32 for covering respective vehicle exterior and interior edge of the door frame. Each edge of an exterior-side side wall 2c of the door frame 2 and an exterior-side side wall 3b of a channel 3 is welded by laser welding, and this laser-welded portion 4 is covered by the vehicle-exterior-side cover lip 22. Then, with such a mounting structure, the glass run is firmly retained at the end or bend portion on the half way of the exterior-side side wall 3b of the channel. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a glass run mounting structure for mounting a glass run for guiding the raising and lowering of a door glass to the inner periphery of a door frame of an automobile door.

As shown in FIG. 5, 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. FIG. 6 shows a conventional mounting structure of the glass run 110, the door weather strip 108 and the opening trim weather strip 109 to the door frame 2 and the periphery of the vehicle body opening.
6 is a cross-sectional view taken along line AA in FIG.

Conventionally, as shown in FIGS. 5 and 6, the glass run 110 is installed in the channel 3 of the door frame 2 to guide the raising and lowering of the door glass 5 and between the door glass 5 and the door frame 2. It is sealed. Further, the glass run 110 is formed by molding the upper side portion, the front side vertical side portion, and the rear side vertical side portion of the door 1 including the linear portion 111 formed by extrusion molding in accordance with the shape of the door frame 2. Connected at the corner 112.
The seal between the door 1 and the vehicle body is made by a door weather strip 108 attached to the outer periphery of the door frame 2 and / or an opening trim weather strip 109 attached to a flange at the periphery of the opening of the vehicle body. Yes.

  As shown in FIG. 6, the main body of the glass run 110 has a substantially U-shaped cross section including an outer side wall 120, an inner side wall 130, and a bottom wall 140. A vehicle outer side seal lip 126 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 136 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 extends in the direction of the bottom wall 140 in parallel with the vehicle outer side wall 120 from the vicinity of the front end of the vehicle outer side wall 120, and from the vicinity of the front end of the vehicle inner side wall 130. A vehicle interior cover lip 134 extends in the direction of the bottom wall 140 in parallel with the vehicle interior side wall 130.

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 brought into contact with the inner surface of the channel 3 (for example, Patent Documents 1 and 2). reference.).
The channel 3 and the door frame 2 are fixed by spot welding or the like. For this reason, in order to abut the gun of the spot welder and to ensure the area of spot welding, a predetermined width is required as a welding allowance at the joint portion between the channel 3 to be welded and the door frame 2 (for example, a patent) Reference 3). In addition, due to partial spot welding, a so-called opening reduction may occur between the channel 3 and the door frame 2 at the site. Furthermore, the welding allowance for this spot welding increases the weight for the welding allowance of the sheet metal of both the channel 3 and the door frame 2, which is contrary to the demand for weight reduction of the vehicle. Become.

In particular, since the width of the outer panel 2c is large on the vehicle outer side of the door frame 2, the entire width of the door frame 2 is increased. The door frame 2 and the outer cover lip of the glass run 110 were conspicuous, which was not preferable in terms of the design of the automobile door.
When not covered by the vehicle outer side cover lip, the surface of the channel 3 and the door frame 2 may be uneven due to the spot welded mark, and the appearance is impaired. I was trying to be covered with my body.

Therefore, as shown in FIG. 7, in order to make the spot welded portion of the door frame 2 small, it is also proposed that the tips of the inner panel 2d and the channel 3 are brought into contact with each other and welded by laser welding ( For example, see Patent Document 4.)
However, in this case, only the method of welding the inner panel 2d and the channel 3 is shown, and the glass run mounting structure is not shown.

JP 11-314528 A Japanese Patent Laid-Open No. 7-61290 JP-A-11-2222034 JP 2005-132232 A

  For this reason, it was necessary to securely attach the glass run to the door frame welded by laser welding to improve the appearance.

In order to solve the above problems, the present invention of claim 1 is a glass run mounting structure in which a glass run for guiding the raising and lowering of a door glass of an automobile is attached to a channel provided on the inner periphery of the door frame of the door.
The main body of the glass run has a substantially U-shaped cross section consisting of a vehicle outer side wall, a vehicle inner side wall, and a bottom wall. The vehicle outside seal lip and the vehicle inside seal lip extending toward the inside of the vehicle are provided, and the vehicle frame covers the vehicle frame front end and the vehicle interior front end from the vehicle exterior side wall and vehicle interior side wall front end. Provide an outer cover lip and an inner cover lip,
The outer side wall of the door frame is formed to be substantially flat and overlapped with the outer side wall of the channel, and the outer side wall of the door frame and the tip of the outer side wall of the channel are welded by laser welding. Is attached to the outside cover lip of the vehicle, and the glass run attachment structure holds the vehicle outside side wall of the main body portion of the glass run at the end of the vehicle outside side wall of the channel or a bent portion in the middle.

  In the first aspect of the present invention, the side wall of the door frame on the outside of the vehicle is formed substantially flat, the side wall of the door frame on the outside of the vehicle and the side wall of the vehicle on the outside of the channel are overlapped with each other. Since the door frame is welded, the outer surface of the door frame is not uneven as compared with the case of spot welding, and a smooth outer surface can be obtained. In addition, the overlapping portion of the outer side wall of the door frame and the outer side wall of the channel for welding allowance can be reduced, the weight of the door frame can be reduced, and the width of the door frame can be reduced. This is preferable in terms of design. Further, since the tip of the overlapped portion is welded by laser welding, so-called “opening” does not occur, the dimensional stability of the door frame is improved, and the mounting stability of the glass run is also improved.

Furthermore, since the laser welded portion is covered with the vehicle outer side cover lip, the welded portion can be made invisible from the vehicle outer side, and the appearance is improved. The laser welded portion is preferable in terms of design because the welded portion is small and the outside cover lip can be made small.
In addition, in order to hold the vehicle outer side wall of the glass run at the end of the vehicle outer side wall of the channel or a bent part in the middle, the vehicle outer side of the glass run is held by the vehicle outer cover lip and the vehicle outer side wall, and the glass run is separated from the channel. It can be prevented from coming out. In particular, in the past, a bent portion was not provided in the middle portion of the side wall of the channel for the convenience of spot welding. However, according to the configuration of the present application, a bent portion can be provided in the middle and the glass run is attached. Stability improved.

The present invention of claim 2 is a glass run mounting structure in which a glass run for guiding the raising and lowering of the door glass of an automobile is attached to a channel provided on the inner periphery of the door frame of the door.
The main body of the glass run has a substantially U-shaped cross section consisting of a vehicle outer side wall, a vehicle inner side wall, and a bottom wall, and each body portion has a substantially U-shaped cross section from the inside of the front end of the vehicle outer side wall and the vehicle inner side wall. A vehicle exterior seal lip and a vehicle interior seal lip that extend toward the inside of the vehicle, and the vehicle exterior side that covers the vehicle frame front end and the vehicle interior front end from the vehicle exterior side wall and vehicle interior side wall tip respectively. A cover lip and an inside cover lip are provided,
The side wall of the door frame outside the vehicle forms a bent portion that bends toward the inside of the vehicle at the tip, and the tip of the channel outside wall of the channel is brought into contact with the bent portion and welded by laser welding. This is a glass run mounting structure in which the front end is covered with a vehicle outer side cover lip and the side wall of the glass run main body is held by the bent portion of the door frame.

  According to the second aspect of the present invention, the vehicle outer side cover lip and the vehicle inner side cover lip that respectively cover the vehicle frame front end and the vehicle inner front end of the door frame are provided from outside the vehicle outer side wall and vehicle inner side wall front end of the glass run body. As a result, the front edge of the door frame can be covered, the appearance can be improved, and the overlapping part of the panel and channel of the door frame is sandwiched between the vehicle outer side wall and the vehicle outer cover lip, and the vehicle inner side wall and the vehicle inner cover lip, respectively. The glass run can be held on the door frame.

Also, the side wall of the door frame outside the vehicle is formed with a bent portion that bends toward the inside of the vehicle at the tip, and the tip of the side wall outside the channel is brought into contact with the bent portion and welded by laser welding. The channel can be held by and can be temporarily fixed when performing laser welding. The laser welded portion has a small welded portion such as a weld bead and does not hinder insertion between the side wall and the cover lip when the glass run is held in the channel.
Since the center side of the door glass opening from the bent part of the door frame is formed to be substantially flat, the outer surface of the door frame has no unevenness as compared with the case of spot welding, and a smooth outer surface can be obtained.

Since the front end of the side wall of the door frame is covered with the outer cover lip, the front end of the outer frame of the door frame can be protected with the outer cover lip, which is a soft material.
Since the vehicle outer side wall of the glass run is held by the bent portion of the door frame, the vehicle outer side of the glass run can be held by the vehicle outer side cover lip and the vehicle outer side wall, thereby preventing the glass run main body from slipping out of the channel.

  According to a third aspect of the present invention, the front end of the door inner side wall of the door frame is welded to the front end of the inner side wall of the channel by laser welding, and the laser weld is covered with the inner cover lip of the glass run. It is.

According to the third aspect of the present invention, the front end of the vehicle inner side wall of the door frame is welded to the front end of the side wall of the channel by laser welding, so that the outer surface of the door frame is uneven as compared with the case of spot welding. And a smooth outer surface can be obtained. Also, the overlapping part of the inner side wall of the door frame and the inner side wall of the channel for welding allowance can be reduced, the weight of the door frame can be reduced, and the width of the door frame can be reduced. This is preferable in terms of design.
Since the laser welded portion is covered with the vehicle inner side cover lip, the laser welded portion can be made invisible from the vehicle inner side, and the appearance is improved. Further, the laser welded portion is preferable in terms of design because a welded portion such as a weld bead is small and the inside cover lip can be made small.

  According to the fourth aspect of the present invention, the inner side wall of the channel is formed with a bent portion that bends toward the outer side of the vehicle at the front end, the front end of the inner side wall of the door frame is brought into contact with the outer side of the bent portion, and laser welding is performed. It is a glass run mounting structure that welds and holds the vehicle interior side wall of the glass run body at the bent portion.

In the present invention of claim 4, the inner side wall of the channel is formed with a bent portion bent toward the outer side of the vehicle at the front end, the front end of the inner side wall of the door frame is brought into contact with the outer side of the bent portion, and laser welding is performed. Weld. For this reason, the front-end | tip of the vehicle inner side wall of a door frame and the bending part of a channel can be overlapped, a channel can be temporarily fixed in a bending part, and the front-end | tip of a channel and an inner panel can be welded by laser welding. .
And since the vehicle interior side wall of a glass run is hold | maintained in a bending part, it can prevent that the main-body part of a glass run slips out of a channel.

  According to a fifth aspect of the present invention, there is provided a glass run mounting structure in which the main body portion of the glass run forms a holding lip on the outer surface of the vehicle outer side wall and / or the vehicle inner side wall.

  In the present invention of claim 5, since the glass run main body is formed with a holding lip on both the outer side wall and the inner side wall of the vehicle, or on the outer surface of any one of the side walls, the holding lip is formed on the panel or channel of the door frame. The main body of the glass run can be firmly held in the channel.

  The present invention of claim 6 is a glass run mounting structure in which the end of the channel is bent into a hairpin shape.

  In the present invention of claim 6, since the tip of the channel is bent into a hairpin shape, the holding lip of the glass run body can be locked to the tip of the channel, and the glass run body can be securely connected to the channel. Can be held in.

Since the outer side wall of the door frame and the end of the outer side wall of the channel are welded by laser welding, the outer surface of the door frame has no unevenness compared to spot welding, and a smooth outer surface can be obtained in a short region. The weight of the door frame can be reduced and the width of the door frame can be reduced, which is preferable in terms of design.
The laser welded portion is preferable in terms of design because the welded portion is small and the outside cover lip can be made small. In order to hold the vehicle outer side wall of the main body of the glass run at the tip or middle step of the vehicle outer side wall of the channel, hold the vehicle outer side of the glass run with the vehicle outer cover lip and the vehicle outer side wall, It can be prevented from coming out.

An embodiment of the present invention will be described with reference to FIGS.
FIG. 5 is a side view of the door 1 of the automobile. FIG. 1 is a cross-sectional view showing a structure for attaching the glass run 10 of the first embodiment to the door frame 2, and is a cross-sectional view of a portion along the line AA in FIG. 2 to 4 are cross-sectional views of the structure for attaching the glass run 10 of the second to fourth embodiments to the door frame 2 in the same manner.
First, the glass run mounting structure of the first embodiment will be described with reference to FIG. 1, and the glass run mounting structures of the second to fourth embodiments will be described later.

  As shown in FIG. 5, a door frame 2 is provided above the belt line of the door 1 of the automobile, and a door glass 5 is attached to be movable up and down. That is, a glass run 10 is attached to the inner periphery of the door frame 2 to guide the raising and lowering of the door glass 5 and to seal between the door glass 5 and the door frame 2.

As shown in FIG. 1A, the door frame 2 includes an outer panel 2c that forms the vehicle outer surface of the door frame 2, an inner panel 2d that forms the vehicle inner surface, a channel 3 for attaching the glass run 10, and a door 1 And a retainer 6 for attaching a door weather strip (not shown) that seals between the door 1 and the periphery of the vehicle body opening.
The retainer 6 may be formed by extending from the outer panel 2c or the inner panel 2d and bending it.

Since the outer panel 2c forms the outer surface of the door frame 2, the surface thereof is formed flat and smooth, and there is no welding mark as will be described later. The inner panel 2d is formed in such a manner that the bulging portion bulges in the in-vehicle direction in order to contact and seal an opening trim weather strip attached to the periphery of the vehicle body opening when the door is closed.
The door frame 2 is not formed by bending a portion for mounting the glass run 10 into a substantially U-shaped cross section, but is provided with a channel having a substantially U-shaped cross section formed separately.

The channel 3 has a substantially U-shaped cross section, and is formed by a channel vehicle outer side wall 3b, a channel vehicle inner side wall 3c, and a channel bottom wall 3d.
In the vicinity of the center of the channel vehicle outer side wall 3b, a bent portion 3f is formed so that the side wall member protrudes in an U shape inward, and a vehicle outer side holding lip 24 of a glass run 10 described later is engaged with the bent portion 3f. Stopped. The channel vehicle outer side wall 3b is in close contact with and joined to the outer panel 2c of the door frame 2, and the tip of the channel vehicle outer side wall 3b is formed slightly shorter.

The tip of the channel vehicle outer side wall 3b and the side part of the tip of the outer panel 2c are laser welded to form a laser welded portion 4. Since the front end of the channel vehicle outer side wall 3b is formed slightly shorter, the front end and the side surface of the front end of the outer panel 2c can be welded so that the weld is not conspicuous and the welding area can be increased. .
Because of laser welding, compared with spot welding, the width (length) of overlapping the tip of the channel vehicle outer side wall 3b and the tip of the outer panel 2c of the door frame 2 can be reduced. Weight can be reduced. Furthermore, a smooth surface can be maintained without unevenness on the surface of the outer panel 2c, which is preferable in terms of design. Further, because of laser welding, the laser welded portion 4 can be made small, and as will be described later, it is easy to cover with a cover lip and is excellent in aesthetic appearance.

  In addition, as shown in FIG.1 (b), the outer panel 2c and the channel vehicle outer side wall 3b may be formed in the same length, and the front-end | tip may be welded by laser welding. In this case, the positioning of both end portions becomes easy and the corner portions 43 at both end portions are melted, so that welding is facilitated. Further, unlike spot welding, “open mouth” does not occur at this portion.

The tip of the channel vehicle inner side wall 3c is bent obliquely in the vehicle outward direction. The front end of the inner panel 2d of the door frame 2 is joined to the diagonally bent portion 3g so as to overlap. The tip of the inner panel 2d is formed slightly shorter. Further, as will be described later, the second vehicle inner side holding lip 35 is held in contact with the inner surface of the obliquely bent portion 3g.
The portion of the side surface at the front end of the channel vehicle inner side wall 3c and the front end of the inner panel 2d are laser welded to form a laser welded portion 4. Similarly to the channel vehicle outer side wall 3b, the width of overlapping the front end of the channel vehicle inner side wall 3c and the front end of the inner panel 2d can be reduced, and the weight of the door frame 2 can be reduced.

As shown in FIG. 5, the glass run 10 of the present invention 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, and connects the straight portion 11 to a mold. It consists of a corner portion 12 formed by molding.
The straight portion 11 includes a portion attached to the upper side of the door frame 2, a portion attached to the rear side vertical side of the door frame 2, and a portion attached to the front side vertical side of the door frame 2.

The straight portion 11 of the glass run 10 basically has substantially the same U-shaped cross-section in both the portion attached to the upper side portion of the door frame 2 and the portion attached to the vertical side portion.
In the present embodiment, the glass run 10 attached to the upper side portion of the door frame 2 will be described, but the same applies to the glass run 10 attached to the vertical side portion of the door frame 2.
At the corner portion of the glass run 10, the corner portion 12 of the glass run 10 is formed by molding so as to have a shape corresponding to the door frame 2, and at the same time, the straight portion 11 is connected by the corner portion 12. 11 so as to have substantially the same cross-sectional shape as 11. And this corner part 12 turns into a part with which the corner part 2b of the door frame 2 is mounted | worn.

  The cross-sectional shape of the straight portion 11 of the glass run 10 of the first embodiment attached to the upper side of the door frame 2 is, as shown in FIG. The vehicle interior side wall 30 and the bottom wall 40 are integrally formed by extrusion in a substantially U-shaped cross section.

A vehicle outer side seal lip 21 extends from the vicinity of the front end of the vehicle outer side wall 20 toward the inside of the main body having a substantially U-shaped cross section. Further, the vehicle outer side cover lip 22 is extended from the front end outer surface of the vehicle outer side wall 20 so as to cover the front end of the outer panel 2c of the door frame 2, the front end of the outer side wall 3b of the channel 3, and the laser welding portion 4. ing. For this reason, the beauty | look of the outer surface of the door frame 2 can be improved.
A vehicle outer side holding lip 24 is formed on the outer surface of the vehicle outer side wall 20. When the glass run 10 is attached to the channel 3, the vehicle outer side holding lip 24 is locked to the bent portion 3 f of the channel vehicle outer side wall 3 b to prevent the glass run 10 from coming off the channel 3. Yes.

  A vehicle interior seal lip 31 extends from the front end of the vehicle interior side wall 30 toward the inside of the substantially U-shaped cross section, and a vehicle interior cover lip 32 extends from the front end outer surface of the vehicle interior side wall 30 to the door frame 2. It extends in the direction of the vehicle inner end surface, and covers the tip of the inner panel 2d of the door frame 2, the tip of the vehicle inner side wall 3c of the channel 3, and the laser welded portion 4 thereof. For this reason, it is possible to improve and protect the beauty of the front end of the door frame 2 on the inside of the vehicle.

  A first vehicle inner side holding lip 34 and a second vehicle inner side holding lip 35 are extended on the outer surface of the vehicle inner side wall 30. When the glass run 10 is attached to the channel 3, the first vehicle inner side holding lip 34 abuts the channel vehicle inner side wall 3 c to seal between the glass run 10 and the channel 3. It is held in the channel 3 so as not to rattle. The second vehicle inner side holding lip 35 is locked to the inner surface of the diagonally bent portion 3g at the tip of the channel vehicle inner side wall 3c to prevent the glass run 10 from coming off the channel 3.

The glass run 10 is formed such that the front ends of the vehicle outer seal lip 21 and the vehicle inner seal lip 31 come into contact with each other when the glass run 10 is attached to the door frame 2.
When the door glass 5 rises and is inserted into the main body on the upper side of the glass run 10, the tips of the vehicle outer seal lip 21 and the vehicle inner seal lip 31 come into contact with the tips of the door glass 5. And the door frame 2 is sealed.

  The vehicle outer side wall 20 and the vehicle outer side seal lip 21 are smaller than the vehicle inner side wall 30 and the vehicle inner side seal lip 31, respectively, and the vehicle outer side seal lip 21 is shorter than the vehicle inner side seal lip 31 and is formed thin. . For this reason, the door glass 5 can be positioned outside the vehicle inside the main body of the glass run 10, and the level difference between the door glass 5 and the door frame 2 can be reduced. Therefore, generation of air resistance and wind noise is reduced, which is preferable in terms of design.

  A low-sliding member such as urethane resin or silicon resin is applied to the surface of the vehicle exterior seal lip 21, vehicle interior seal lip 31 and the bottom wall 40 where the door glass 5 abuts. For this reason, when the door glass 5 slides in the main body of the glass run 10, the sliding resistance can be reduced, and the generation of abnormal noise and the displacement of the glass run 10 can be prevented.

  Further, a low sliding member such as urethane resin may be attached to the inner surface of the vehicle outer side wall 20 and the rear surface of the vehicle outer seal lip 21. In this case, adhesion between the vehicle outer side seal lip 21 and the vehicle outer side wall 20 can be prevented. A low-sliding member such as urethane resin is applied to the inner surface of the bottom wall 40 having a substantially U-shaped cross section, similar to the seal lips 26 and 36. For this reason, sliding resistance with the door glass 5 can be reduced.

Next, the attachment structure of the glass run 10 of 2nd Embodiment is demonstrated based on FIG. The mounting structure of the glass run 10 according to the second embodiment is different from the mounting structure of the glass run 10 according to the first embodiment because the shape of the channel vehicle outer side wall 3b of the channel 3 is different. The description of other parts is omitted.
The channel vehicle outer side wall 3b is bent in a hairpin shape on the inner side to form a bent portion 3h. The bent portion 3h is formed such that the bent edge is positioned slightly shorter than the tip of the outer panel 2c. Therefore, the bent portion 3h of the channel vehicle outer side wall 3b and the tip of the outer panel 2c are laser welded to form the laser welded portion 4.

  For this reason, when the glass run 10 is attached to the channel 3, the vehicle outer side holding lip 24 is locked to the bent tip of the aforementioned channel vehicle outer side wall 3 b so that the glass run 10 is detached from the channel 3. Can be prevented. The vehicle outer cover lip 22 covers the bent portion 3h of the channel vehicle outer side wall 3b, the tip of the outer panel 2c, and the laser welded portion 4 to improve the appearance and protect the tip of the outer panel 2c. ing.

Next, the attachment structure of the glass run 10 of 3rd Embodiment is demonstrated based on FIG.
The mounting structure of the glass run 10 according to the third embodiment is different from the mounting structure of the glass run 10 according to the first embodiment on the outer side of the door frame 2 on the outer side wall 3b of the channel 3 and the outer side. Since the shape of the laser welded part 4 of the panel 2c to be joined is different and the shape of the channel car inner side wall 3c and the laser welded part 4 of the inner panel 2d to be joined is different on the inside of the door frame 2, the explanation will focus on the different parts. The description of other parts is omitted.

On the vehicle outer side of the door frame 2, the outer panel 2c is bent so as to form a stepped bent portion 2f in the vehicle interior at a portion slightly outward (slightly upward in FIG. 3) from the front end of the door glass opening side. The tip of the channel vehicle outer side wall 3b of the channel 3 is in contact with the stepped bent portion 2f. For this reason, the channel vehicle outer side wall 3b is formed shorter than that of the first embodiment.
The stepped bent portion 2f of the outer panel 2c and the tip portion of the channel vehicle outer side wall 3b are laser welded to form a laser welded portion 4.

  When the glass run 10 is attached to the channel 3, the vehicle outer side holding lip 24 is locked to the step-shaped bent portion 2f of the outer panel 2c described above. For this reason, it is possible to prevent the glass run 10 from being detached from the channel 3. Further, the vehicle outer side cover lip 22 covers the tip of the outer panel 2c than the stepped bent portion 2f to improve the appearance and protect the tip of the outer panel 2c.

On the vehicle inner side of the door frame 2, the channel vehicle inner side wall 3c of the channel 3 is bent stepwise in the inner direction of the channel 3 in the vicinity of the center portion to form a stepped bent portion 3j, which is more than the stepped bent portion 3j. The tip is formed in parallel with the other channel vehicle inner side wall 3c.
The tip of the inner panel 2d is in contact with the stepped bent portion 3j of the channel vehicle inner side wall 3c. The stepped bent portion 3j of the channel vehicle inner side wall 3c and the tip of the inner panel 2d are laser welded to form the laser welded portion 4.

  Therefore, when the glass run 10 is attached to the channel 3, the vehicle interior holding lip 34 is locked to the stepped bent portion 3 j of the inner panel 2 d described above, and the glass run 10 is released from the channel 3. Can be prevented. The vehicle interior cover lip 34 covers the tip of the outer panel 2c than the stepped bent portion 3j, the tip of the inner panel 2d, and the laser welded portion 4 to improve the appearance and improve the appearance of the channel vehicle inner side wall 3c. The tip is protected.

Next, the attachment structure of the glass run 10 of 4th Embodiment is demonstrated based on FIG.
The mounting structure of the glass run 10 according to the fourth embodiment is more inclined than the mounting structure of the glass run 10 according to the third embodiment. Since the bent shape is different, the description will focus on the different parts, and the description of the other parts will be omitted.

  On the vehicle outer side of the door frame 2, the front end of the outer panel 2c is bent obliquely toward the vehicle inner side to form an oblique bent portion 2g, and the outer surface of the channel vehicle outer side wall 3b of the channel 3 is formed on the inner surface other than the inclined bent portion 2g. It is in close contact. The tip of the channel vehicle outer side wall 3b is in contact with the inner surface of the obliquely bent portion 2g, and this portion is welded by laser welding to form the laser welded portion 4. The laser welded portion 4 is covered with the obliquely bent portion 2g at the tip of the outer panel 2c and cannot be seen from the outer surface, and the welding mark is not generated on the surface of the outer panel 2c, so that the appearance is good.

  On the outer surface of the vehicle outer side wall 20 of the glass run 10, a first vehicle outer side holding lip 24 extends near the bottom wall 40, and a second vehicle outer side holding lip 25 extends near the tip. When the glass run 10 is attached to the channel 3, the first vehicle outer side holding lip 24 abuts against the channel vehicle outer side wall 3b to seal between the glass run 10 and the channel 3, and It is held in the channel 3 so as not to rattle. The second vehicle outer side holding lip 25 is locked to the obliquely bent portion 2g at the tip of the outer panel 2c to prevent the glass run 10 from coming off the channel 3.

A vehicle outer side cover lip 22 extends obliquely outward from the outer end surface of the vehicle outer side wall 20. The vehicle outer side cover lip 22 covers the outer surface of the diagonally bent portion 2g at the tip of the outer panel 2c and protects the tip of the outer panel 2c.
The vehicle outer side wall 20 of the glass run 10 is held by the first vehicle outer side holding lip 24, the second vehicle outer side holding lip 25, and the vehicle outer side cover lip 22, so that the glass run 10 does not come off the channel 3.

(A) is sectional drawing which shows the state with which the glass run was attached to the door frame which is the glass run attachment structure which is the 1st Embodiment of this invention, and follows the AA line of FIG. FIG. (B) is the modification of 1st Embodiment, Comprising: It is the elements on larger scale which show the front-end | tip part of the vehicle outer side wall of an outer panel. It is sectional drawing which shows the state with which the glass run was attached to the door frame which is the attachment structure of the glass run which is the 2nd Embodiment of this invention, and is sectional drawing of the part along the AA of FIG. It is. It is sectional drawing which shows the state with which the glass run was attached to the door frame which is the glass run attachment structure which is the 3rd Embodiment of this invention, and is sectional drawing of the part along the AA of FIG. It is. It is sectional drawing which shows the state with which the glass run was attached to the door frame which is the glass run attachment structure which is the 4th Embodiment of this invention, and sectional drawing of the part along the AA of FIG. It is. It is a side view of a motor vehicle door. It is sectional drawing of the attachment structure of the glass run attached to the conventional door frame, and is sectional drawing of the part along the AA of FIG. It is sectional drawing of the conventional door frame.

Explanation of symbols

2 Door frame 2c Outer panel 2d Inner panel 3 Channel 4 Laser welded portion 10 Glass run 20 Car outer side wall 22 Car outer side cover lip 30 Car inner side wall 32 Car inner side cover lip 40 Bottom wall

Claims (6)

In the glass run mounting structure in which the glass run for guiding the raising and lowering of the door glass of the automobile is attached to the channel provided on the inner periphery of the door frame of the door,
The main body portion of the glass run has a substantially U-shaped cross section including a vehicle outer side wall, a vehicle inner side wall, and a bottom wall, and the cross section is substantially U-shaped from the inside of the front end of the vehicle outer side wall and the vehicle inner side wall. A vehicle outer side seal lip and a vehicle inner side seal lip extending toward the inside of the main body of the vehicle body, and a front end of the door frame and a front side A car outer cover lip and a car inner cover lip covering the tip are provided,
The outer side wall of the door frame is formed to be substantially flat and overlapped with the outer side wall of the channel, and the outer side wall of the door frame and the end of the outer side wall of the channel are welded by laser welding, A glass run attachment structure characterized in that the laser welded portion is covered with the vehicle outer side cover lip, and the vehicle outer side wall of the main body of the glass run is held at the tip of the vehicle outer side wall of the channel or in the middle of the bent portion. In the glass run mounting structure in which the glass run for guiding the raising and lowering of the door glass of the automobile is attached to the channel provided on the inner periphery of the door frame of the door,
The main body portion of the glass run has a substantially U-shaped cross section including a vehicle outer side wall, a vehicle inner side wall, and a bottom wall, and the cross section is substantially U-shaped from the inside of the front end of the vehicle outer side wall and the vehicle inner side wall. A vehicle outer side seal lip and a vehicle inner side seal lip extending toward the inside of the main body of the vehicle body, and a front end of the door frame and a front side A car outer cover lip and a car inner cover lip covering the tip are provided,
The side wall of the vehicle exterior side of the door frame is formed with a bent portion that is bent toward the vehicle interior at the front end portion, the front end of the vehicle exterior side wall of the channel is brought into contact with the bent portion and welded by laser welding. A glass run mounting structure characterized in that the front end of the side wall on the outside of the vehicle is covered with the above-mentioned cover lip on the outside of the vehicle and the side wall on the outside of the main body of the glass run is held by the bent portion of the door frame.   The tip of the vehicle interior side wall of the door frame is welded to the vehicle interior side wall tip of the channel by laser welding, and the laser welded portion is covered with the vehicle interior cover lip. Glass run mounting structure.   The inner side wall of the channel has a bent portion that bends to the outer side at the front end, the front end of the inner side wall of the door frame is brought into contact with the outer side of the bent portion, and is welded by laser welding. The glass run mounting structure according to claim 1 or 2, wherein the vehicle runner side wall of the main body of the glass run is held.   The glass run attachment structure according to any one of claims 1 to 4, wherein the main body portion of the glass run has a holding lip on an outer surface of the vehicle outer side wall and / or the vehicle inner side wall.   The glass run mounting structure according to any one of claims 1 to 5, wherein the end of the channel is bent into a hairpin shape.

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