JP4091182B2 - Glass run channel - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a glass run channel that is mounted around the door of a vehicle and can slide and clamp the outer peripheral edge of the door / window glass and the inner / outer surfaces near the door / waistline.
[0002]
[Prior art]
A door / window glass attached to a door / sash in a vehicle, particularly a passenger car, so as to be movable up and down is disclosed in Japanese Patent Publication No. 7-39250, and the door has a substantially U-shaped cross section. The glass run channel fitted in the guide groove portion of the sash slidably contacts and clamps the outer peripheral edge portion and the inner and outer surfaces near the door / waist line. For example, as shown in FIG. 5, the outer periphery of the door / window glass WG is formed by extrusion molding glass run channel portion GC and molded glass run channel corner C as shown in FIG. In addition, the extruded waist seal portions WS extending along the door / waist line from the corner C of the molded glass run channel are integrally connected to each other.
[0003]
The glass run channel is extruded and molded from a synthetic solid rubber material and / or a sponge rubber material made of, for example, an ethylene propylene rubber material, or a synthetic resin material, and is integrally connected to form an elongated shape.
Further, the pair of seal lip portions that are in sliding contact with the inner and outer surfaces of the door / window glass WG near the door / waistline in the extruded waist seal portion WS give the sliding surface to the door / window glass WG. A flocking group (not shown) was applied.
[0004]
FIG. 6 is a partially broken view of the conventional glass run channel described above in which the extrusion molded waist seal part WS and the molded glass run channel corner C joined to the extrusion molded waist seal part WS are partially broken. 7 is a cross-sectional view taken along the line A′-A ′ of FIG. 6, and FIG. 8 is a cross-sectional view taken along the line B′-B ′ of FIG. 6.
The main parts of the extrusion-molded waist seal portion 30 in the conventional glass run channel 10 and the molded glass run-channel corner portion 20 to be joined to the extrusion-molded waist seal portion 30 are configured as follows.
[0005]
That is, the corner 20 of the molded glass run channel is curved inward from the side wall end portions of the insert metal IM that are substantially U-shaped in cross section, with the vicinity of the front end portions thereof approaching each other. A pair of seal lip portions 22 projecting so as to slidably contact and sandwich the outer peripheral edge portion of the door / window glass and the inner and outer surfaces in the vicinity thereof, and both side walls of the housing portion 21 as a whole. Each of the vertical mounting portions 23 having a substantially U-shaped cross section, and having a substantially U-shaped cross section as a whole, and bend in parallel with each other along the door / waist line. The extruded waist seal portion 30 has a substantially U-shaped cross-section and has a generally U-shaped cross section in the door / waist line. Each side extending parallel to each other along A seal lip portion 32 is provided opposite to each other on the outer surface of the opposing side wall in the direction mounting portion 31, and fitted in a partially cut portion of the opposing side wall in the molded glass run channel corner 20 in a stamped state, A side wall cutout portion 31a capable of restoring the outer shape of the same portion was provided.
[0006]
The seal lip portion 32 is provided with a flocking portion 33 made of nylon fiber or the like after extrusion molding on the sliding contact surface with the door / window glass WG, and along with the side wall cutout portion 31a, the corner of the molded glass run channel. The portion 20 extends from a straight region to a curved region in each of the lateral mounting portions 24.
As shown in FIG. 7, the side wall cutout portion 31a fitted in the linear region of each lateral mounting portion 24 of the molded glass run channel corner portion 20 has a groove bottom portion in each lateral mounting portion 24 as shown in FIG. The side wall cutout portions 31a that are supported on the step 24b of the molded glass run channel corner portion 20 and that extend to the curved regions of the lateral mounting portions 24 of the molded glass run channel corner 20 are, as shown in FIG. It was fitted in a state where it sneaks under the step 24 a at the groove bottom in the lateral mounting portion 24.
[0007]
[Problems to be solved by the invention]
However, the connection between the molded glass run channel corner portion 20 and the extruded waist seal portion 30 is made by partially cutting the opposite side wall of the molded glass run channel corner portion 20 and the side wall cutout portion. Since it is a simple butting connection with 31a, if shrinkage after molding or displacement at the time of fitting occurs, as shown in FIG. 9, a gap g is induced at the butting connection location of both molding members. There was a drawback that the appearance and sealing performance were impaired.
[0008]
The present invention eliminates the problems of the prior art described above, and suppresses the generation of gaps that are harmful in terms of appearance and sealability even if shrinkage after molding of both molded members or displacement of positions during fitting occurs. The purpose is to provide a channel.
[0009]
[Means for Solving the Problems]
An object of the present invention is to project inwardly from both side wall end portions of a housing portion having a generally U-shaped cross section so as to be curved inward while approaching the vicinity of the tip portions thereof. Extruded glass run channel and mold glass run channel corners, which can slide and sandwich the outer peripheral edge of the door / window glass and the inner and outer surfaces in the vicinity thereof by a pair of seal lip parts, and the molded glass run channel corner A glass run channel in which extruded waist seal portions extending along the door waist line are integrally connected to each other; each corner of the molded glass run channel has a substantially U-shaped cross section. Then, a lateral slit portion is transparently provided on the opposite side wall of each lateral mounting portion that is bent in parallel with each other along the door waist line, and the lateral slit portion is defined as an opening portion. Forming a bag-like groove portion inside the U-shape, and further comprising a notch in the opposing side wall near the extruded waist seal portion, continuous to the transverse slit portion; Each seal lip portion is opposed to the outer surface of the opposite side wall of each lateral mounting portion having a generally U-shaped cross section and extending parallel to each other along the door waistline, and the mold A side wall cutout portion that can be inserted into the bag-like groove portion while passing the seal lip portion through the horizontal slit portion at the corner of the molded glass run channel; fitted directions mounting portion in said end of each lateral mounting portion of the molded glass run channel corner, leaving the side walls cut and the opposing side walls of the extrusion waist seal portion So as to effectively cover the gap between the corner of the molded glass run channel and the extrusion-molded waist seal portion, in the corner of the molded glass run channel corresponding to the length of the notch. This is achieved by a glass run channel characterized in that an overlap portion is provided around the end portion of each lateral mounting portion .
[0010]
Furthermore, this object of the present invention is achieved by a glass run channel characterized in that each lateral mounting portion at the corner of the molded glass run channel terminates in a curved region of each lateral mounting portion. Is done.
[0011]
[Action]
The glass run channel of the present invention is provided so as to bend inward from the end portions of the both side walls of the housing portion having a substantially U-shaped cross section so as to make the vicinity of the tip portions close to each other. Extruded glass run channel portion and corners of the molded glass run channel that can slidably contact and sandwich the outer peripheral edge portion of the door / window glass and its inner and outer surfaces by the pair of sealing lip portions, and the molded glass run channel In a glass run channel in which extruded waist seal portions extending along the door waist line from the corner are integrally connected; each corner of the molded glass run channel has a substantially U-shaped cross section. The lateral slit portion is transparently provided on the opposing side wall of each lateral mounting portion that is bent in parallel with each other while being along the door waistline, and The bag-like groove portion having the slit portion as an opening portion is formed inside the U-shape, and further, the cut-out portion is provided on the opposite side wall near the extruded waist seal portion continuously to the lateral slit portion. Each of the extrusion-molded waist seal portions has a substantially U-shaped cross section and extends parallel to each other along the door-waist line, and each of the lateral mounting portions on the outer surface of the opposite side wall. In addition to providing a seal lip portion, the side wall cutout portion that can be inserted into the bag-shaped groove portion while passing the seal lip portion through the horizontal slit portion in the corner of the molded glass run channel is provided. made; fitted to each lateral mounting portion of the extruded waist seal portion on the inner end of each lateral mounting portion of the molded glass run channel corner, the extruded Wes Corresponding to the length of the notch so as to cover the gap between the molded glass run channel corner and the extruded waist seal part by covering the opposing side wall and the side wall cutout part in the seal part. Since the overlapping portion is provided around the end of each lateral mounting portion at the corner of the molded glass run channel , the bag-like groove portion and the lateral slit portion can easily and easily cut the side wall cut-out portion. While positioning and fixing at the time of fitting are performed reliably, the overlapping portion effectively covers the gap between the two molded members.
[0012]
Furthermore, in the glass run channel of the present invention, each of the lateral mounting portions of the corners of the molded glass run channel terminates in the curved region of each of the lateral mounting portions. The part is downsized.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the glass run channel of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a perspective view showing a part of a main part of a glass run channel 40 according to the present invention after connection, and FIG. 2 is a part of the main part before connection of a glass run channel 40 of the present invention. 3 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 4 is a cross-sectional view taken along line BB in FIG.
The main parts of the extrusion-molded waist seal portion 60 in the glass run channel 40 of the present invention and the corner 50 of the molded glass run-channel bonded to the extrusion-molded waist seal portion 60 are configured as follows.
[0014]
In other words, the corner 50 of the molded glass run channel is curved inward from the side wall end portions of which the cross section is formed in a generally U shape together with the insert metal IM while bringing the vicinity of the front end portions close to each other. A pair of seal lip portions 52 projecting so as to slidably contact and sandwich the outer peripheral edge portion of the door / window glass WG and its inner and outer surfaces, and both side walls of the housing portion 51 as a whole. Each vertical mounting portion 53 having a generally U-shaped cross section and each lateral direction having a generally U-shaped cross section and being bent in parallel with each other along the door waistline. A lateral slit portion 56 is provided on the opposite side wall of the mounting portion 54, and a bag-like groove portion 57 having the lateral slit portion 56 as an opening is formed inside the U-shape, and is further continuous with the lateral slit portion 56. Extrusion waist The side walls of the pole tip 60 closer is made comprises a notch 54b.
[0015]
On the other hand, the extrusion-molded waist seal portion 60 has a substantially U-shaped cross section as a whole and extends on the opposite side wall outer surface of each lateral mounting portion 61 extending parallel to each other along the door-waist line. A side wall cutout portion that can be inserted into the bag-like groove portion 57 while providing the seal lip portion 62 and passing the seal lip portion 62 through the lateral slit portion 56 in the corner 50 of the molded glass run channel. 61a is provided.
[0016]
The glass run channel 40 is formed by extrusion molding and molding from a synthetic solid rubber material and / or a sponge rubber material made of, for example, an ethylene propylene rubber material, or a synthetic resin material, and has an elongated shape. Yes.
Further, the pair of seal lip portions 62 that are in sliding contact with the inner and outer surfaces of the door / window glass WG near the door / waist line in the extruded molding waist seal portion 60 are slidable on the sliding contact surface with the door / window glass WG. In order to provide the above, after the extrusion molding, a flocked portion 63 made of nylon fiber or the like is implanted.
[0017]
In the glass run channel 40 of the present invention configured as described above, each lateral mounting portion 61 of the extruded waist seal portion 60 is connected to each lateral mounting portion 54 at the corner 50 of the molded glass run channel. The side wall cut-out portion 61a is easily and reliably positioned and fixed while the bag-shaped groove portion 57 and the lateral slit portion 56 are fitted in the end portion, while the corner of the molded glass run channel is fixed. Since the overlapping portion 55 of the molded glass run channel corner portion 50 corresponding to the length of the notch portion 54b of the portion 50 is formed, the overlapping portion 55 effectively covers the gap g between the two forming members.
[0018]
It should be noted that each lateral mounting portion 54 of the molded glass run channel corner 50 terminates in the curved region of each lateral mounting portion 54, and thus the overlapping portion 55 is formed in the curved region. The corners of the molded glass run channel are preferable for miniaturization.
[0019]
【The invention's effect】
As described above, the glass run channel of the present invention described above has the following novel effects. That is, in the glass run channel of the present invention, each corner of the molded glass run channel has a substantially U-shaped cross section and is bent in parallel with each other along the door / waist line. The lateral slit portion is formed through the opposing side wall of the lateral mounting portion, and the bag-like groove portion having the lateral slit portion as an opening is formed inside the U-shape, and is further continuous with the lateral slit portion. The notched portion is provided on the opposite side wall near the extruded waist seal portion; the extruded waist seal portion has a generally U-shaped cross section on the door waistline. The seal lip portions are provided on the outer surfaces of the opposing side walls of the lateral mounting portions extending in parallel with each other while being aligned, and the seal slits are formed in the horizontal slit portions at the corners of the molded glass run channel. The side wall cutout portion that can be inserted into the bag-like groove portion while penetrating the groove portion; and each lateral mounting portion of the extruded waist seal portion at the corner of the molded glass run channel Fit in the end of each lateral mounting portion, and cover the opposite side wall and the side wall cut-out portion in the extruded waist seal portion, and the molded glass run channel corner and the extruded waist seal portion, In order to effectively cover the gap, the overlapping portion is provided around the end of each lateral mounting portion at the corner of the molded glass run channel corresponding to the length of the cutout portion . The bag-like groove and the lateral slit allow easy and reliable positioning and fixing of the side wall cut-out part, while the overlapping part allows both molding members to be fixed. During that it became possible to effectively cover the said gap even if temporarily.
[0020]
Furthermore, in the glass run channel of the present invention, each of the lateral mounting portions of the corners of the molded glass run channel terminates in the curved region of each of the lateral mounting portions. It became possible to miniaturize the part.
[Brief description of the drawings]
FIG. 1 is a perspective view with a part broken away showing a main part after connection of a glass run channel of the present invention.
FIG. 2 is a perspective view showing a part of the main part before connection of the glass run channel of the present invention.
3 is a cross-sectional view taken along line AA in FIG. 1. FIG.
4 is a cross-sectional view taken along line BB in FIG. 1. FIG.
FIG. 5 is a side view of the entire glass run channel mounted on the inner side of the outer panel of the front door.
FIG. 6 is a perspective view showing a partially broken main part after connection of a conventional glass run channel.
7 is a cross-sectional view taken along line A′-A ′ of FIG.
8 is a cross-sectional view taken along line B′-B ′ in FIG. 6;
FIG. 9 is a perspective view of a main part of a conventional glass run channel having a gap between both molded members generated after connection, partially broken away.
[Explanation of symbols]
FD Front door GC Extruded glass run channel section C Molded glass run channel corner WS Extruded waist seal section WG Door / window glass 10 Conventional glass run channel 20 Molded glass run channel corner section 21 Housing section 22 Seal lip section 23 Vertical mounting portion 24 Horizontal mounting portion 24a Groove bottom step 24b Groove bottom step 30 Extrusion waist seal portion 31 Horizontal mounting portion 31a Side wall cutout portion 32 Seal lip portion 33 Flocking portion IM Insert metal g Gap 40 The present invention Glass run channel 50 Molded glass run channel corner 51 Housing 52 Seal lip 53 Vertical mounting 54 Horizontal mounting 54b Notch 55 Overlap 56 Horizontal slit 57 Bag-shaped groove 60 Extrusion waist seal 61 Horizontal mounting part 61a Side wall cut out Part 62 seal lip 63 flocked part

Claims (2)

By a pair of seal lip portions protruding so as to bend inward from the side wall end portions of the housing portion having a generally U-shaped cross section close to each other in the vicinity of the tip portions thereof, Extruded glass run channel and mold glass run channel corner that can slidably contact and pinch the outer peripheral edge of door / window glass and its inner / outer surfaces, and from the molded glass run channel corner to door / waist line A glass run channel integrally connected with extruded waist seals extending along each of said doors; said molded glass run channel corner (50) having a generally U-shaped cross section as a whole; A lateral slit portion (56) is provided in the opposite side wall of each lateral mounting portion (54) bent in parallel with each other along the waist line, and the lateral slit portion (56). A bag-like groove portion (57) serving as an opening is formed inside the U-shape, and a notch portion is formed in the opposite side wall near the extruded waist seal portion (60) continuously to the lateral slit portion (56). 54b); each lateral mounting wherein the extruded waist seal (60) has a generally U-shaped cross section and extends parallel to each other along the door waistline Each seal lip portion (62) is provided on the outer surface of the opposing side wall of the portion (61), and the seal lip portion (62) is provided in the lateral slit portion (56) of the corner (50) of the molded glass run channel. It comprises a side wall cutout portion (61a) that can be inserted into the bag-like groove portion (57) while being penetrated; each lateral mounting portion (61) of the extruded waist seal portion (60) is Molded glass lunch Fitted within said at the end of each lateral mounting portion (54) of the tunnel corners (50), and covering the opposed side walls and the side wall cut-out portion and (61a) in said extruded waist seal portion (60) The mold is formed corresponding to the length of the notch (54b) so as to effectively cover the gap (g) between the corner (50) of the molded glass run channel and the extruded waist seal (60). A glass run channel comprising an overlapping portion (55) around the end of each lateral mounting portion (54) at the corner (50) of the glass run channel.  2. The transverse mounting portion (54) of the molded glass run channel corner (50) ends in a curved region of the lateral mounting portion (54). Glass run channel.

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