JP2000280754A - Glass run - Google Patents

Abstract

(57) Abstract: Provided is a glass run in which deformation of a tip of a holding lip to a side wall portion side is suppressed, and assemblability to a window frame is improved. SOLUTION: Between a corner bottom wall portion 34 and a corner side wall portion 35a on the outside of the vehicle, the side wall portion 35a and the bottom wall portion 3 are arranged.
An inclined wall portion 36 is formed which is inclined toward the center of 4. The inclined wall portion 36 is formed in a plane fan shape so as to correspond to an arc portion on the outer periphery of the corner base 33. Due to the presence of the inclined wall portion 36, when the molded portion 22 is bent inward, the side wall portion 35a is deformed so as to be flipped outward. Thus, the vehicle-side holding lip 29 formed to extend outward from the tip of the side wall 35a can be deformed in a direction in which the tip separates from the side wall 35a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass run attached to a window frame formed on a door or the like of a vehicle.

[0002]

2. Description of the Related Art As shown in FIGS. 7 and 8, a glass run 101 of this type has a base 102 formed of a pair of side wall portions 10.
3 and a bottom wall 104, and are formed in a U-shaped cross section. At the end of each side wall 103, the bottom wall 104
A pair of seal lips 105 extending toward
02 extending outwardly of the holding lip 02
Are formed. The glass run 101 is mounted along a window frame 108 including a pair of flange portions 107 provided on a vehicle door or the like.

[0003] As shown in FIG.
Is mounted on the window frame 108, first, the corner portions 101a and 108a serving as references are made to correspond to each other. In this state, the glass run 101 is bent such that the inner angle of the corner portion 101a becomes an acute angle.
Then, the base 102 of the glass run 101 is accommodated between the two flanges 107 of the window frame 108 so that the centers of the two corners 101a and 108a coincide. Then, release the bending of the glass run 101,
The holding projection 1 formed by the holding lip 106 and the side wall 103 or the holding lip 106 and the side wall 103
03a, the flange 107 is sandwiched.
Note that the corner portion 108a of the window frame 108
In FIG. 7, the channel member 109 is not provided, but is constituted only by the inner panel 110 and the outer panel 111. The edges of the panels 110, 111 constitute the flange 107.

[0004]

However, in the conventional glass run 101, as shown in FIG.
The side wall 103 extends substantially at right angles to the bottom wall 104. Further, the side wall portion 103 has a substantially uniform thickness as a whole. Therefore, as described above, in order to attach the glass run 101 to the window frame 108,
When the corner portion 101a is further bent at an acute angle, the deformation of the holding lip 106 becomes unstable. That is, with the bending, the side wall portion 103 can be deformed both inside and outside, and the deformation direction is not constant.

In FIG. 7, when the side wall portion 103 is deformed inward, as shown by a two-dot chain line, the outside holding lip 106 extending outward from the tip of the side wall portion 103 is formed. , And is deformed so as to be pulled toward the side wall portion 103 side, and its tip is closed. If the glass run 101 is to be assembled to the window frame 108 in this state, the holding lip 106, which should originally come into contact with the outer surface of the flange 107, may fall into the inside of the flange 107. For this reason, the flange portion 107 cannot be sandwiched between the holding lip 106 and the side wall portion 103, and there is a problem that it is difficult to mount the glass run 101 to the window frame 108.

The present invention has been made by paying attention to such problems existing in the prior art. An object of the present invention is to provide a glass run in which the deformation of the tip of the holding lip toward the side wall portion is suppressed and the assemblability to the window frame is improved.

[0007]

According to a first aspect of the present invention, there is provided a vehicle having a U-shaped section accommodated between a pair of flanges formed in a window frame of a vehicle. In a glass run having a base, a pair of seal lips extending inward from the base from both ends of the base, and a pair of holding lips extending outward from the base from both ends of the base, a corner of the window frame is provided. The gist is that a corner corresponding portion corresponding to the portion is provided with a restricting means for restricting a moving direction of the holding lip when the inner lip is bent in a direction in which the inner angle becomes smaller.

According to the first aspect of the present invention, the direction of deformation of the holding lip caused by the bending can be made constant, and the tip of the holding lip can be prevented from closing.

According to a second aspect of the present invention, in the first aspect of the invention, the base comprises a bottom wall and a pair of side walls, and the regulating means comprises at least one side wall. And a bottom wall formed between the side wall and the center of the bottom wall.

[0010] According to the second aspect of the present invention, in addition to the operation of the first aspect, the inward bending of the corner corresponding portion causes the side wall portion continuous with the inclined wall portion to jump outward. Can be Accordingly, the holding lip is deformed in a direction in which the tip is opened.

According to a third aspect of the present invention, in the first aspect of the present invention, the base comprises a bottom wall and a pair of side walls, and the regulating means comprises at least one side wall. And a thin portion formed on the side of the bottom wall.

According to the third aspect of the present invention, in addition to the effect of the first aspect, the thin portion is buckled by bending the corner corresponding portion inward, and the side wall portion is formed on the bottom wall. It is deformed to shrink to the part side. Accordingly, the holding lip is deformed in a direction in which the tip is opened.

According to a fourth aspect of the present invention, in the second or third aspect of the present invention, the bending point of the side wall portion in the restricting means is set to an extended surface of the outer surface of the side wall portion. The gist of the invention is that it is arranged at the center of the bottom wall.

According to the fourth aspect of the present invention, in addition to the operation of the second or third aspect,
The inward bending of the corner corresponding portion deforms the side wall portion so that the tip of the side wall portion moves outward. Accordingly, the holding lip is deformed in a direction in which the tip is opened.

[0015]

(First Embodiment) A first embodiment of a glass run of the present invention will be described below with reference to FIGS. 1 to 3 and FIG.

As shown in FIGS. 1 and 2, the vehicle door includes an inner panel 12, an outer panel 13, and a channel member 14 interposed between the panels 12, 13. The inner panel 12 and the channel member 14 are joined at an inner flange portion 15. Further, the outer panel 13 and the channel member 14 are joined at an outer flange portion 16. In the corner portion, the channel member 14 is not provided as in the conventional case, and both panels 12 and 13 are not provided.
Are constituted only by the flange portions 15 and 16. The flange portions 15 and 16 constitute a window frame 17 of the door. A glass run 21 made of, for example, rubber or a thermoplastic elastomer is attached along the inner peripheral side of the other side except the lower side of the window frame 17.

Most of the glass run 21 is formed by a known extrusion molding method, and is constituted by an extruded portion 22 cut to a predetermined length. Also, the adjacently disposed extrusion molding portions 22 are connected by a molding portion 23 formed by a known injection molding method. The molded part 23 forms a corner corresponding part corresponding to a corner part of the window frame 17.

The extruded part 22 has a general base 24 as a base having a substantially U-shaped cross section at the center.
The general base portion 24 includes a general bottom wall portion 25 and a general side wall portion 26, and a pair of seal lips 27 protrude from the tip of the general side wall portion 26 toward the general bottom wall portion 25. The seal lip 27 is slidably pressed against both inside and outside surfaces of the door glass 18.
The seal lip 27 guides the ascending and descending of the door glass 22 in the glass run 21, and
2 is configured to seal the inside and outside of the vehicle in a closed state.

Further, on both outer sides of the general side wall portion 26,
An inside holding lip 28 as a holding lip and an outside holding lip 29 also as a holding lip are formed. The vehicle interior holding lip 28 is in contact with the outer side surface of the inner panel 12, and sandwiches the vehicle interior flange portion 15 from both sides with the general side wall portion 26. The outer side holding lip 29 is connected to the outer panel 1.
3 is in contact with the outer surface. The outside-side holding lip 29 sandwiches the outside-side flange portion 16 from both sides with a holding projection 30 formed outside the general side wall portion 26. In this state, the general base 24
Are housed in the channel member 14.

As shown in FIGS. 1 and 3, a corner base 33 is formed at the center of the molded part 23 as a base having a substantially U-shaped cross section. The molding part 23 includes a reference molding part 23a serving as a reference when assembling the glass run 21 to the window frame 17. The corner base 33 is composed of a corner bottom wall 34 and a corner side wall 35 formed so as to be continuous with the general bottom wall 25 and the general side wall 26, respectively. A seal lip 27 and both holding lips 28 and 29 are also formed from the tip of the corner side wall 35 in the same manner as the general side wall 26.

Between the corner bottom wall portion 34 and the corner side wall portion 35a on the outside of the vehicle, the side wall portion 35a extends from the bottom wall portion 3a.
An inclined wall portion 36 is formed as a restricting means that is inclined toward the center of 4. The inclined wall portion 36 is formed in a plane fan shape so as to correspond to the circular arc portion 33a on the outer periphery of the corner base 33. Also, the inclined wall portion 36
The inner angle of the molded portion 22, that is, the range of the opposite angle β of the angle α formed by the extension lines of the lower end edge of the seal lip 27 shown by the dashed line in FIG. Further, the inclined wall portion 36 is formed such that its thickness is substantially equal to that of the corner side wall portion 35a. Due to the existence of the inclined wall portion 36, the corner bottom wall portion 34 and the corner side wall portion 35a on the vehicle outside are approximately half as long as the general bottom wall portion 25 and the general side wall portion 26, respectively. Inclined wall 3
6 has a holding projection 30 on the general side wall 26.
Is formed so as to extend outward.

In the molded portion 23, the vehicle interior holding lip 28 and the corner side wall portion 35 sandwich the vehicle interior flange portion 15, and the vehicle exterior holding lip 29 and the clamping projection 37 form the vehicle exterior holding lip 29. The flange 16 is sandwiched.

When the glass run 21 of this embodiment is mounted on the window frame 17, the reference corner portion 17a of the reference window frame 17 and the glass Run 21
And the reference molding part 23a. In this state, the glass run 21 is bent so that the inner angle α of the reference mold portion 23a becomes an acute angle, that is, the glass run 21 is folded around the reference mold portion 23a.

Then, the corner base 33 of the bent glass run 21 is accommodated between the two flange portions 15 and 16 of the window frame 17 so that the center of the reference mold portion 23a coincides with the center of the reference corner portion 17a. .
Then, the bending of the glass run 21 is released, and the vehicle-inside flange portion 15 of the window frame 17 is held between the vehicle-side holding lip 28 and the corner side wall portion 35 of the glass run 21. At the same time, the outside holding lip 2
The outer flange portion 16 is held by the holding projection 9 and the holding projection 37.

Next, the extruding section 22 which is continuous with the reference mold section 23a is sequentially assembled to the window frame 17, thereby completing the work of mounting the glass run 21.

Therefore, according to the present embodiment, the following operations and effects can be obtained. (A) In the glass run 21 of the present embodiment, the molding part 23 corresponding to the corner of the window frame 17 includes:
An inclined wall portion 36 is provided to regulate the moving direction of the vehicle outside holding lip 29 when the inside angle α is bent so as to be small.

For this reason, the deformation direction of the outside holding lip 29 due to the bending can be made constant, and the tip of the outside holding lip 29 can be prevented from closing. Therefore, the tip of the outside holding lip 29
It is possible to improve the assemblability of the glass run 21 to the window frame 17 without sneaking into the inside of the outside flange portion 16 of the window frame 17.

(B) In the glass run 21 of the present embodiment, at the corner base 33, between the corner side wall 35a on the outside of the vehicle and the corner bottom wall 34, the side wall 35
An inclined wall portion 36 is formed which is inclined from a toward the center of the bottom wall portion 34.

For this reason, when the molded part 23 is bent inward, the corner side wall part 35a connected to the inclined wall part 36 is flipped outward by the principle of leverage. Along with this, the vehicle outside holding lip 29 is deformed in a direction in which its tip is opened, that is, so as to be separated from the corner side wall 35a. Therefore, the tip of the vehicle-side holding lip 29 can be reliably opened by bending the molded portion 23 inward.

Moreover, when assembling the glass run 21 to the window frame 17, the corner base 33 can be easily accommodated between the flange portions 15, 16 of the window frame 17 using the inclined wall portion 36 as a guide. it can. Therefore, the assemblability of the glass run 21 can be further improved.

(C) In the glass run 21 of the present embodiment, the corner side wall 35a on the outside of the vehicle is connected to the corner bottom wall 34 via the inclined wall 36. Thereby, the bending point of the corner side wall portion 35a when the molded portion 23 is bent inward is determined by the side wall portion 35a.
It is arranged on the center side of the corner bottom wall portion 34 from the extension surface of the outer surface of FIG.

Therefore, by bending the molded portion 23 inward, the side wall portion 35a is deformed so that the tip of the corner side wall portion 35a on the outside of the vehicle moves outward, and the tip of the vehicle outside holding lip 29 is bent. It is moved in a direction away from the side wall 35a. Therefore, the outward deformation of the vehicle-side holding lip 29 can be further ensured.

(D) In the glass run 21 of the present embodiment, the inclined wall portion 36 is provided in the reference mold forming portion 23a which is a reference when the glass run 21 is attached to the window frame 17. For this reason, the glass run 21 can be easily and reliably positioned with respect to the window frame 17 and assembled.

(E) In the glass run 21 of the present embodiment, the inclined wall portion 36 is formed so that the opposite angle β of the inner angle α of the molded portion 23 is formed.
Are formed in a plane fan shape covering the range of. For this reason, the deformation of the inclined wall portion 36 along the bending direction of the glass run 21 can be facilitated, and the movement direction at the tip of the corner side wall portion 35a on the vehicle outside can be more reliably regulated. .

(Second Embodiment) As shown in FIG. 4, in the glass run 41 of the second embodiment, in addition to the configuration of the first embodiment, an inclined wall portion 36 and a corner side wall portion 35a on the outside of the vehicle are provided. The auxiliary bending groove 43 is formed inside the connecting portion 42 with the connecting portion 42. The bending auxiliary groove 43 is provided in the both wall portions 3.
It assists the bending of 6, 35a. For this reason, when the molded portion 23 is bent inward, the corner side wall portion 35a is more likely to jump outward.

Therefore, according to the present embodiment, in addition to the effects (a) to (e) of the first embodiment,
The following effects can be obtained. (F) In the glass run 41 of the present embodiment, the inclined wall 3
6 and connecting portion 42 between corner side wall portion 35a on the outside of the vehicle
, A bending assist groove 43 is provided.

For this reason, by bending the molded portion 23 inward, the tip of the vehicle outside holding lip 29 can be more easily opened. Therefore, the assemblability of the glass run 41 to the window frame 17 can be further improved.

(Third Embodiment) As shown in FIG. 5, in the glass run 46 of the third embodiment, a thin portion 47 as a regulating means is used instead of the configuration of the inclined wall portion 36 of the first embodiment. Are formed. That is, the corner bottom wall 3
4 and the side wall portion 35a on the outside of the vehicle
7 are connected. The thin portion 47 is formed by providing a concave portion 48 on the inner peripheral side of the corner side wall portion 35a.

Therefore, according to the present embodiment, the following effects can be obtained in addition to the effects (a) and (d) of the first embodiment. (G) In the glass run 46 of the present embodiment, a thin portion 47 is provided on the corner bottom wall portion 34 side of the corner side wall portion 35a on the outside of the vehicle.

Therefore, when the molded part 23 is bent inward, the thin part 47 is buckled, and the corner side wall part 35 is bent.
a is deformed so as to shrink toward the corner bottom wall 34 side. As a result, the base end side of the vehicle outside holding lip 29 is pulled, and the front end side is deformed in a direction away from the side wall portion 35a. Therefore, the tip of the vehicle-side holding lip 29 can be reliably opened by bending the molded portion 23 inward.

(Fourth Embodiment) As shown in FIG. 6, in the glass run 51 of the fourth embodiment, the configuration of the concave portion 48 of the third embodiment is replaced with the corner side wall portion 3 on the outside of the vehicle.
A plurality of parallel grooves 52 are formed on the outer surface of the corner bottom wall 34 side of 5a. The presence of the parallel grooves 52 constitutes a thin portion 53 as a plurality of short restricting means.

Therefore, according to this embodiment, the following effects can be obtained in addition to substantially the same effects as in the third embodiment. (H) In the glass run 51 of the present embodiment, the thin portion 53 of the corner side wall portion 35a on the outside of the vehicle is connected to the side wall portion 35a.
Are formed by the parallel grooves 52 formed on the outer peripheral surface of the.

Therefore, the configuration of the mold for manufacturing the molded portion 23 can be simplified, and the thin portion 53 can be easily formed. (Modification) The embodiment of the present invention may be modified as follows.

In each of the above-described embodiments, the inclined wall portion 36 or the thin portions 47 and 53 are replaced with the corner side wall portions 35a on the vehicle outer side.
Side, but inside or both corner side walls 35
May be on the side. When the inclined wall portion 36 or the thin portions 47 and 53 are provided on the corner side wall portion 35 on the vehicle interior side, the assemblability of the vehicle interior holding lip 28 to the vehicle interior flange portion 16 can be improved.

In each of the above embodiments, the inclined wall portion 36 or the thin portions 47 and 53 are provided for all the molded portions 23, but are provided only for the reference molded portion 23a.
The other molding part 23 may be configured to have the same shape as the extrusion molding part 22.

In the first and second embodiments, the inclined wall portion 36 is formed in a plane fan shape. However, the inclined wall portion 36 may be formed so that both ends are parallel. In the third embodiment, the thin portion 47 is formed by forming the concave portion 48 on the inner peripheral surface side of the corner side wall portion 35a, but the concave portion 48 is formed on the outer peripheral surface side of the corner side wall portion 35a.
May be formed.

Next, technical ideas other than the inventions described in the claims that can be understood from the above embodiments and modifications will be described below together with their effects. (1) The glass run according to any one of claims 1 to 5, wherein the restricting means is provided in a range substantially corresponding to an opposing angle of an inner angle of the corner corresponding portion.

(2) The glass run according to any one of (1) to (5) and (1), wherein the regulating means is formed in a sector shape. Therefore, according to the inventions described in (1) and (2), it is possible to easily deform the regulating means along the bending direction,
The effect is obtained that the movement direction at the tip of the side wall can be more reliably regulated.

(3) The connecting portion between the inclined wall portion and the side wall portion is further provided with a bending assisting means for assisting the bending between the inclined wall portion and the side wall portion, (1) and (2). The glass run according to any one of 2).

Therefore, according to the invention described in (3), an effect is obtained that the tip of the holding lip can be more easily opened.

[0051]

As described in detail above, according to the first aspect of the present invention, it is possible to prevent the tip of the holding lip from being closed, and to assemble the glass run with respect to the window frame. Can be improved.

According to the second and third aspects of the present invention, in addition to the effects of the first aspect, the tip of the holding lip is bent by inwardly bending the corner corresponding portion. Can be reliably opened.

According to the invention described in claim 4 of the present application, by combining with the invention described in claim 2 or 3, the outward deformation of the holding lip is further ensured. Can be.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a glass run of a first embodiment.

FIG. 2 is a side view showing a door of a vehicle to which the glass run of FIG. 1 is assembled.

FIG. 3 is an end view taken along line 3-3 of FIG. 1;

FIG. 4 is an end view showing a main part of a glass run according to a second embodiment.

FIG. 5 is an end view showing a main part of a glass run according to a third embodiment.

FIG. 6 is an end view showing a main part of a glass run according to a fourth embodiment.

FIG. 7 is an end view showing a main part of a conventional glass run.

FIG. 8 is an explanatory view showing a method of assembling a glass run.

[Explanation of symbols]

15: Inside flange portion as a flange portion, 16 ... Outside flange portion as a flange portion, 17 ... Window frame, 17a ... Reference corner portion as a corner portion,
21, 41, 46, 51: glass run; 23: molded part as corner corresponding part; 23a: reference molded part as reference corner corresponding part; 24: general base as base; 25: bottom wall part , A general side wall portion as a side wall portion, 27 a seal lip, 28 a vehicle inner side holding lip as a holding lip, 29 a vehicle outer side holding lip as a holding lip, 33 a corner as a base portion Base, 34: corner bottom wall as bottom wall, 35: corner side wall as side wall, 36: inclined wall, 47,
53: Thin portion, α: Inner angle.

Continued on the front page (72) Inventor Hisaaki Isobe 1 Ochiai, Nagahata, Kasuga-cho, Nishi-Kasugai-gun, Aichi F-term (reference) 3D127 AA19 BB01 CB01 CB02 CB05 CC05 CC13 DD12 DE01 DE07 DE12 DE17 EE02 EE15 EE16 EE25 GG03 GG05

Claims (4)

[Claims] 1. A base having a U-shaped cross section accommodated between a pair of flanges formed on a window frame of a vehicle, a pair of seal lips extending from both ends of the base and inward of the base, In a glass run having a pair of holding lips extending outward from the base from both ends of the base, the holding corresponding to a corner corresponding to a corner of the window frame accompanying bending in a direction in which the inner angle is reduced. A glass run provided with a regulating means for regulating the moving direction of the lip. 2. The base comprises a bottom wall and a pair of side walls, and the restricting means is formed between at least one of the side walls and the bottom wall, and is located between the side wall and the center of the bottom wall. The glass run according to claim 1, comprising an inclined wall portion inclined toward. 3. The glass according to claim 1, wherein the base comprises a bottom wall and a pair of side walls, and the regulating means comprises a thin wall formed on at least one of the side walls on the bottom wall side. run. 4. The glass run according to claim 2, wherein a bending point of the side wall portion in the restricting means is arranged on a center side of the bottom wall portion with respect to an extension surface of an outer surface of the side wall portion.