JPH0625389Y2 - Glass run with corner pieces - Google Patents

Description

[Detailed Description of the Invention] Industrial field of application This invention is a glass run with a corner piece that is fitted and mounted in a sash for a window glass that is attached to a vehicle door or the like, more specifically, a glass run body and a corner piece. Relates to a glass run with a corner piece having improved joint strength.

2. Description of the Related Art A sash for an elevating window glass attached to a vehicle door or the like is welded at corners of its upper front edge and upper rear edge so as to be bent at a predetermined angle. Therefore, the glass run fitted in the sash is also shaped into a shape in which two glass run main bodies are joined and bent at a joining angle that matches a predetermined angle of the sash, such as through a corner piece.

Then, for example, the glass run main body having the cross-sectional shape shown in FIG. 1 is replaced with the corner piece 2 as shown in FIG. 2 and FIG.
When the glass run main body 1a,
The ends of 1b were joined and integrated after being cut along a plane perpendicular to the longitudinal direction of each glass run main body.

Problems to be Solved by the Invention However, the glass run with a corner piece thus joined has the above-mentioned joining angle θ (see FIG. 2) when handling such as storage, transportation, and assembling, and when raising and lowering the window glass. ) Is likely to be applied in the opening or closing direction, or repeatedly in both directions.

The cross section of the glass run body is thin as shown in Fig. 1, the joint area with the corner piece is small, and the joint surfaces 3a, 3b (Fig. 2) are perpendicular to the longitudinal direction of the glass run body. When the force is applied in the opening direction of the joint angle θ as described above, the joint portion, especially the side walls 12, 13
At the upper end of the joint, a force is applied to peel off the joint surface in the vertical direction, a crack is likely to occur on the joint surface, and the crack easily grows.

When a crack is generated and grows in this way, it is inserted into the sash, holds the edge of the window glass, and prevents the rainwater and dust from outside the vehicle from entering the vehicle interior. It was happening.

The present invention aims to solve the above problems.

Means for Solving the Problems The base portion facing the edge surface of the window glass of the present invention, and the both sides formed by opening the base portion in a widthwise direction outward in an obliquely V shape in a free state. After being connected to the wall and the upper ends of both side walls and bending inward respectively and fitting into the sash,
Two glass run bodies having main lips that jointly hold the edge sides of the window pane to be inserted maintain the original cross-sectional shape of the glass run bodies substantially from the edge of each glass run body. In a glass run with a corner piece that is joined and integrated through a corner piece that is extended and extended and is connected according to the refraction angle of the corner of the window sash into which the glass run is fitted, The base surface and both side walls are surfaces that are substantially perpendicular to the longitudinal direction of the glass run main body, and the main lip retreats at an angle of 30 to 60 inward in the longitudinal direction with respect to the vertical surface. Since the surface is made to be a surface, the above problems can be solved.

Action Regarding the joint surface between the glass run main body and the corner piece, the joint surface between the base portion and both side wall portions and the corner piece is a surface substantially perpendicular to the longitudinal direction of the glass run, and as shown in FIG. Joint surfaces 3c and 3d with corner pieces
In regard to the surface of the glass run, the surface retreated inward in the longitudinal direction at an angle of 30 to 60 ° with respect to the surface perpendicular to the longitudinal direction of the glass run. A force is applied in the direction in which the joint surface with the corner piece is vertically peeled off at the section and both side wall portions, but at the main lip portion, the joint surface is not orthogonal to the above peeling direction, so cracks easily from the joint surface. Will not occur and will not grow.

Embodiment An embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a sectional view taken along a plane perpendicular to the longitudinal direction of the glass run body 1.

The glass run main body 1 has, as a main portion, a base portion 11 facing the edge surface of the window glass 9, and both sides of the base portion 11 in the width direction are allowed to open obliquely outward in a V shape in a free state after extrusion. The side walls 12 and 13 formed as described above, and the window glass 9 that is connected to the upper ends of the both side walls 12 and 13 and is bent inward, and is fitted into a sash (not shown) and then inserted.
Main lips 14 and 15 that jointly hold the edge side surfaces of the. In addition, the glass run body 1 has a base portion 11
Of the sash extended to both sides of the sash and extended to the opposite side of the main lips 14 and 15 from the protruding ridges 16 and 17 and the upper ends of the side walls 12 and 13, respectively. Seal lip 1 to cover
8, 19, etc. are provided.

The glass run body 1 is manufactured by extrusion molding from a compounding material such as a thermoplastic synthetic resin such as a soft vinyl chloride resin, a thermoplastic elastomer, a natural or synthetic rubber. Then, the glass run body is cut into a predetermined length as described below.

FIG. 4 (a) shows both main lips 14, 1 of the glass run body 1 used in the glass run with corner pieces of the present invention.
5 is a front view of FIG. 5 and a sectional view showing the sectional shape is shown in FIG. Only about the main lips 14, 15 in the longitudinal direction of the glass run with respect to the vertical plane.
It cuts by the surfaces 14a and 15a retracted at an angle β of -60 °.

Next, the two glass runs thus cut are made to have their cut surfaces facing each other, and the original cross-sectional shape of the glass run main bodies is substantially maintained from the cut surfaces of the respective glass run main bodies. The mold is mounted in a mold in which a cavity is formed which is extended and has a shape connected to the corner of the window sash to be fitted and which is connected and integrated with the post-molding material to form a corner piece. After the mold is clamped, the post-molding material is injected into the cavity, the material is cooled or cross-linked, the mold is opened, and the connected molded product is taken out. As shown in FIG. You get a run. Here the cross-sectional shape is the same,
A glass run body 1 having recessed surfaces 14a, 15a as shown in FIG. 4 is designated by the particular reference numerals 1c, 1d. That is, the glass run main bodies 1c and 1d are joined and integrated via the corner piece 2b, and particularly, the main lips 14 and 15 are joined at an inclined surface with respect to the longitudinal direction of the glass run main body, and the joining line is seen from the front. 3c, 3d
Is recognized.

As shown in FIG. 4, the joint surface of the main lip portion, that is, the cut surface of the main lips 14 and 15 is 30 inward in the longitudinal direction of the glass run with respect to the surface perpendicular to the longitudinal direction of the glass run main body 1. It is preferable that the surfaces 14a and 15a are set back by an angle β of -60 °. When the angle is less than 30 °, when a force is applied in the opening direction of the bonding angle θ (Fig. 2) of the glass run main body, a peeling force acts on the bonding surface in a direction almost perpendicular to the surface. It is not preferable. Also, if it exceeds 60 °, the joint surface of that portion becomes long, the joint lines 3c and 3d are conspicuous when attached to the sash, the corner piece molding die becomes large, the production cost becomes high, and the cutting work of the glass run main body However, the work of mounting the mold becomes complicated.

The post-molding material for post-molding the corner piece may be the same material as the glass run body, but it is a material of the same type but with a higher hardness, or a different type of material that adheres to the original glass run body material. It is selected from a material having good conductivity and a material which undergoes crosslinking in a short time.

As another example, in the above example, the base portion 11 and the side walls 12 and 13 were cut by one surface perpendicular to the longitudinal direction of the glass run main body after extrusion molding, but this is shown in FIG. When the heights of the both side walls 12 and 13 are different from each other, when the two glass run main bodies are butted against each other at a predetermined angle in the molding die, the lower side wall 13 is contacted even when the upper end sides of the higher side walls 13 contact each other. A gap is formed on the upper end side of 12.
In order to reduce the volume of the corner piece to be post-molded by narrowing the gap on both side walls as much as possible, and to make the gap constant and to improve the appearance of the part exposed from the sash of the corner piece, FIG. As shown in the front view, the cross-sectional view in FIG. 6 (b), and the perspective view in FIG. 7, the glass run main body has a shorter side wall side and a lower side longer. It is sufficient to cut two planes perpendicular to the longitudinal direction and a plane between the two planes in the base portion 11 with a stepped surface indicated by a line 5a parallel to the longitudinal direction.

In the same case, the front view of FIG. 8 (a) is shown in FIG. 8 (b).
As shown in the cross-sectional view, the glass run main body is cut along the 5b line so that the length of the glass run main body on the side of the higher side is slightly shorter than the length of the lower side. You may incline from the surface perpendicular | vertical to a longitudinal direction.

Effect of the Invention As described above, in the glass run with a corner piece of the present invention, regarding the joint surface between the glass run body and the corner piece, the joint surface between the base portion and both side wall portions and the corner piece is in the longitudinal direction of the glass run body. As shown in FIG. 5, the joining surfaces 3c and 3d between the main lip and the corner piece are 30 to 60 inward in the longitudinal direction with respect to the surface perpendicular to the longitudinal direction of the glass run main body. Since the surface is made to recede at an angle of °, when a force is applied in the direction in which the joint angle of the two glass run main bodies is opened, the joint surface with the corner piece is vertically peeled off at the base and both side walls. Although a force is applied in the direction, the joint surface of the main lip portion is displaced from the surface perpendicular to the longitudinal direction of the glass run body, the joint surface is not orthogonal to the peeling direction, and cracks easily occur. It can be prevented, during transportation, be practical when exert their effects over-worn and long term to the sash.

[Brief description of drawings]

FIG. 1 is a sectional view of a glass run main body shown as an example, FIG. 2 is a side view of a conventional glass run with a corner piece, and FIG.
FIG. 4 is a perspective view of the glass run with corner pieces shown in FIG.
FIG. 4 (a) is a front view of both main lips showing the cut surface of the glass run body of the present invention, FIG. 4 (b) is its sectional view, and FIG. 5 is a perspective view of the glass run with corner pieces of the present invention.
FIG. 6 (a) is a front view showing a cut surface of a glass run main body of another embodiment, FIG. 6 (b) is a sectional view thereof, and FIG.
FIG. 8 (a) is a perspective view of the glass run body, FIG. 8 (a) is a front view showing a cut surface of a glass run body of another embodiment, and FIG. 8 (b) is a sectional view thereof. 1, 1c, 1d ... Glass run main body 2b ... Corner piece 11 ... Base portion 12, 13 ... Side wall 14, 15 ... Main lip

Claims (1)

[Scope of utility model registration request] 1. A base portion facing an edge surface of a window glass, both side walls formed by opening the base portion in a widthwise direction outwardly in a V shape in a free state, and both side walls thereof. The two glass run bodies, each having a main lip that jointly holds the edge side surfaces of the window glass to be inserted, after being connected to the upper end of the window and fitted into the sash, Joining through a corner piece that is extended from the edge part while maintaining the original cross-sectional shape of the glass run body and is connected according to the refraction angle of the corner of the window sash into which the glass run is inserted. In the integrated glass run with corner pieces, the joint surface between the glass run main body and the corner piece is such that the base and both side walls are surfaces substantially perpendicular to the longitudinal direction of the glass run main body, and the main lip is the above-mentioned hanging surface. A glass run with a corner piece, characterized in that it is a surface which is receded at an angle of 30 to 60 inward in the longitudinal direction with respect to a straight surface.