JP2001039155A - Window glass holder for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure capable of easily and surely connecting an elevating/lowering window glass of an automobile to an elevating/lowering member to constitute a window regulator on a glass holder without using any adhesive. SOLUTION: A glass bolder G comprises a holding part 2 to hold an end part of an elevating/lowering window glass 200 and a fitting part 1 of a window regulator to a direction member 302. The holding part 2 comprises an inner molded part formed of a hot melt material provided with a pair of side members 20a, 20a to hold the end parts of the window glass 200 from both sides and a bottom member 20b stretched between lower ends of a pair of the side members 20a, 20a, and an outer molded part formed of a plastic material higher in melting point than the hot melt material integrated with the inner molded part 20 outside the inner molded part 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a glass holder used for connecting an end of an elevating window glass of an automobile to an elevating member constituting a window regulator.

[0002]

2. Description of the Related Art In connecting an elevating window glass of an automobile to an elevating member constituting a window regulator, conventionally, a glass holder having a mounting portion to the elevating member side and a fixing portion to the window glass has been used. A method in which the fixing portion is bonded to an end portion of the window glass using a urethane-based adhesive has been widely used.

[0003]

However, in the conventional method, prior to the application of the adhesive, a primer treatment is applied to the adhesive-coated surfaces of the window glass and the glass holder, respectively. Thereafter, an appropriate amount of the adhesive was measured and the adhesive had to be applied, and further, the adhesive had to be cured. If the primer treatment is not performed sufficiently, peeling may occur not only at the interface between the adhesive layer and the window glass but also at the interface between the adhesive layer and the glass holder. In such conventional methods, it is necessary to pay attention to the ventilation of volatile components contained in adhesives, etc. It was hard enough.

Accordingly, the present invention provides a glass holder with a structure which enables easy and reliable connection between an elevating window glass of an automobile and an elevating member constituting a window regulator without using an adhesive. Main purpose.

[0005]

In order to achieve the above object, according to the present invention, a vehicle window glass holder is connected to a holding portion at an end of a vehicle window glass and a lifting member of a window regulator. A hot-melt material, wherein the holding portion includes: a pair of side members sandwiching an end of the window glass from both sides; and a bottom member extending between lower ends of the pair of side members. And an outer molded portion made of a plastic material having a higher melting temperature than the hot melt material formed outside of the inner molded portion and integrally formed with the inner molded portion. Configuration.

According to this structure, the end of the elevating window glass is inserted between the pair of side members constituting the holding portion, and after sandwiching the end of the window glass between the pair of side members, By heating the glass holder to a temperature at which the hot melt material constituting the inner molded portion melts but the plastic material constituting the outer molded portion does not melt, the side member of the inner molded portion in contact with the window glass and After the bottom member is melted, it is cooled and hardened again, and the holding portion can be integrally bonded to the end portion of the window glass with the inside molded portion.

[0007] Therefore, in bonding the holding portion to the edge of the window glass, it is not necessary to apply a separate adhesive, and the assembling work of the glass holder to the window glass can be made easier. it can.

[0008] Further, since the integrity of the inner molded portion and the outer molded portion can be ensured to be high, the bonding strength between the window glass and the glass holder after the inner molded portion is bonded to the window glass can be reduced. Can be improved. The resin material contained in the hot melt material constituting the inner molded portion and the resin material contained in the plastic material constituting the outer molded portion may be made of the same resin material, in this case,
It is easy to improve the compatibility between the inner molded portion and the outer molded portion, and it is possible to further enhance the integration of both molded portions.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a perspective view of an inner molded portion 20 constituting the glass holder G according to this embodiment, and FIG. 2 is a perspective view of the glass holder G. FIG. 3 shows such a glass holder G.
FIG. 4 is a cross-sectional view showing an outline of the configuration of a molding die 400, and FIG. 4 is a side view showing an outline configuration of an assembling portion of an ascending and descending window glass 200 of an automobile. Further, FIG. FIG. 3 is a cross-sectional view illustrating a mounting portion of a window glass 200.

The vehicle window glass holder G according to the present embodiment is, for example, a lifting member 30 of a window regulator 300 for raising and lowering a vehicle window glass 200 such as a vehicle door glass.
2 is used by being attached to an end of the elevating window glass 200 in order to connect the elevating window glass 200 to the elevating window glass 200.

That is, the glass holder G is typically formed by a horizontal channel member 3 on which the upper end of a lifting arm 301 constituting a window regulator 300 built in a door 100 of an automobile is rotatably mounted.
02a and the like, and a holding part 2 of the lower end 201 of the window glass 200, and the lifting arm 301 driven by an electric motor 303 constituting the window regulator 300.
This is used for the purpose of connecting the channel material 302a and the elevating window glass 200 so that the elevating window glass 200 can be moved up and down via the channel material 302a with the vertical movement of the channel material 302a. (FIG. 4)

More specifically, such a glass holder G
Is a pair of plate-like side members 2a, 2a arranged to receive the lower end portion 201 of the elevating window glass 200 from above, and to hold the lower end portion 201 from both the inner and outer sides, and to be spaced from each other; 2a lower end 2
a holding portion 2 having a plate-shaped bottom member 2b extending between a ′;
The holding portion 2 includes a mounting portion 1 integrally protruding from an outer surface 2b 'of the bottom member 2b in a direction substantially orthogonal to the outer surface 2b' of the bottom member 2b. In this embodiment, the mounting portion 1 is formed so that the plate surface of the side member 2a of the holding portion 2 extends substantially parallel to the plate surface. Further, the mounting portion 1 has a bolt insertion hole 1a on the tip end side of the mounting portion 1, and a back surface 302b of the channel material 302a (the channel material 302a).
(A surface on the side opposite to the side on which the rising portion is formed) of the mounting portion 1 so that one surface of the mounting portion 1 is in contact with the insertion hole 1a.
And a screw hole provided in the channel material 302a, and a bolt 302d is passed through the insertion hole 1a from the side of the insertion hole 1a.
Into the screw holes provided in the channel material 302a,
It is configured to be attached to the channel material 302a.

Further, the glass holder G is formed integrally with the inner molded portion 20 made of a hot melt material and formed outside the inner molded portion 20 by so-called two-color molding after the molding of the inner molded portion 20. And an outer molded portion 21 made of a plastic material having a higher melting temperature than the hot melt material.

The inner molded portion 20 is formed by a pair of plate-shaped side members 20 formed with a gap between the lower end portion 201 of the elevating window glass 200 and the inner and outer sides thereof.
a, 20a and a plate-shaped bottom member 20b extending between lower ends of the pair of side members 20a, 20a.

On the other hand, the outer molded portion 21 is a vertical side plate portion 21a integrally formed outside the side member 20a so as to cover the outer surfaces of the pair of side members 20a, 20a in the inner molded portion 20, respectively. And a horizontal bottom plate portion 21 integrally formed outside the bottom member 20b so as to cover an outer surface of the bottom member 20b in the inside formed portion 20.
b. In this embodiment, the lateral bottom plate portion 21 of the outer molded portion 21 is provided.
b, the attachment portion 1 is formed on the outer surface.

Further, in this embodiment, the side member 20a and the bottom member 20 in the inner molded portion 20 are formed.
The outer molded portion 21 is integrally formed outside the inner molded portion 20 so that the outer edge of the outer molded portion 21 is located outside the outer edge of the outer peripheral edge b. The edge surface 21c of an outer molded portion 21 is configured to be substantially flush with the inner surfaces of the side member 20a and the bottom member 20b of the inner molded portion 20.

In this embodiment, the outer surfaces of the pair of side members 20a, 20a of the inner molded portion 20 have a height substantially equal to the thickness of the side plate portion 21a of the outer molded portion 21. Are formed in a plurality of cylindrical small projections 20c, and the outer molding portion 21 is formed into an inner molding portion so that the protruding end face of the small projection 20c is located substantially flush with the outer surface of the side plate portion 21a of the outer molding portion 21. 20 is formed integrally with the outside. These small projections 20
c, 20c... are the inner molded part 20 and the outer molded part 21
This is done for the purpose of further enhancing the unity with the system.

Typically, the melted hot melt material is fed into a mold of the inner forming part 20 to form the inner forming part 20, and then the inner forming part 20 thus formed is subjected to the above-mentioned processing. Mold 40 of outer molded part 21
0, the plastic material having a melting temperature higher than that of the hot melt material is applied to the outer molded portion 21.
Outer molding part 21 fed into the molding die 400
By molding, the glass holder G according to this embodiment can be obtained. (In FIG. 3, reference numeral 401 denotes a slider in the molding die 400 of the outer molding portion 21 for molding the insertion hole 1 a of the mounting portion 1.)

Since the melting temperature of the plastic material constituting the outer molding portion 21 is higher than the melting temperature of the hot melt material constituting the inner molding portion 20, the glass holder G was molded as shown in FIG. In this case, a high degree of integration between the inner molded portion 20 and the outer molded portion 21 can be ensured. Moreover, the glass holder G provided with the said inner molding part 20 and the outer molding part 21 can be easily shape | molded using an automatic machine.

Glass holder G according to this embodiment
Is provided with the above configuration, the end 201 of the elevating window glass 200 is placed between a pair of side members 2a and 2a constituting the holding portion 2, and the end surface 202 of the window glass 200 is placed on the inner surface of the bottom member 2b. After the end portion 201 of the window glass 200 is sandwiched between the pair of side members 2a, 2a, the hot melt material forming the inner molded portion 20 is melted, but the outer molded portion is melted. By heating the glass holder G to a temperature at which the plastic material constituting the portion 21 does not melt, the side member 20a and the bottom member 20b of the inner molded portion 20 that is in contact with the window glass 200
Is melted and then cooled and hardened again to form the inner molded portion 20.
Thus, the holding portion 2 can be integrally bonded to the end portion 201 of the window glass 200. In bonding the holding portion 2 to the end portion 201 of the window glass 200, a separate adhesive application process is not required, and the assembling work of the glass holder G to the window glass 200 can be made easier. . Further, since the glass holder G can be configured so as not to melt the inner molded portion 20 unless the heating is performed, there is no problem in handling and managing parts. Further, the inner molded portion 20 and the outer molded portion 2
Because it is possible to secure high integration with
Window glass 20 having the inner molded part 20
The bonding strength between the window glass 200 and the glass holder G after bonding to the glass holder G can be improved.

The hot-melt material constituting the inner molded portion 20 has good adhesion to window glass and does not cause melting at room temperature, for example, a polyamide-based resin mainly composed of an adhesive component A hot-melt material or the like is used.

As the plastic material constituting the outer molded portion 21, for example, a plastic material mainly composed of polyamide, polyacetal, polybutylene terephthalate or the like containing glass fiber is used.

[0024]

According to the window glass holder for an automobile according to the present invention, the elevating window glass of the automobile and the elevating member constituting the window regulator are formed by:
The connection can be easily and reliably performed without using an adhesive separately.

[Brief description of the drawings]

FIG. 1 shows an inner molded part 20 constituting a glass holder G.
Perspective view of

FIG. 2 is a perspective view of a glass holder G.

FIG. 3 is a cross-sectional view showing an outline of a configuration of a molding die 400 of the glass holder G.

FIG. 4 is a side view showing a schematic configuration of an assembling portion of the elevating window glass 200;

FIG. 5 is a cross-sectional view showing a mounting portion of the glass holder G and the window glass 200.

[Explanation of symbols]

 200 window glass 300 window regulator 302 elevating member G glass holder 1 mounting part 2 holding part 20 inner molded part 20a side member 20b bottom member 30 outer molded part

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Koji Ichikawa 184-1, Maioka-cho, Totsuka-ku, Yokohama-shi, Kanagawa F-term in Nifco Co., Ltd. 3D127 CB05 CC05 EE04

Claims (1)

[Claims] 1. A glass holder comprising: a holding portion at an end of an elevating window glass of an automobile; and a mounting portion for attaching a window regulator to an elevating member, wherein the holding portion holds the end portion of the window glass from both sides. An inner molded portion made of a hot melt material including a pair of side members to be sandwiched and a bottom member extending between lower ends of the pair of side members; and an outer portion of the inner molded portion, which is integrated with the inner molded portion. And an outer molded portion made of a plastic material having a higher melting temperature than the hot melt material formed as described above.