JPS6245094B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sliding window frame for a vehicle that can be used as a sliding window frame for a vehicle such as a bus.

Generally, the window frame 1 of a bus or the like is normally a sliding window with window glasses 2 and 3 attached. Furthermore, since the present invention is applicable to a window frame in which one of the window glasses is fixed and the other is a sliding door, a window frame for a sliding door including both of them will be explained below.

Now, the conventional sliding window frames for vehicles are from A to A in Figure 2.
As shown in FIG. 3, which is a section A, a weather strip 4 made of soft resin, which was also separately molded, was inserted and fixed into a window frame 1 which was separately molded from an iron plate. The window glasses 2 and 3 are slidably inserted into the two grooves 5 and 6 of the weather strip 4, respectively, and the window glasses 2 and 3 are slidably inserted into the two grooves 5 and 6 of the weather strip 4. It prevented rainwater etc. from entering from both sides of 2 and 3.

In this case, a soft resin was used in the weather strip 4 to enhance the waterproof effect, and the purpose of waterproofing was achieved. The window glasses 2 and 3 could not slide smoothly inside the windows 5 and 6. So weather strip 4
Short fibers 9 are flocked by electrostatic flocking on the sliding contact surfaces of the side walls 7, 7 with the window glasses 2, 3, the top surfaces of the lips 8, 8, and the bottom surfaces of the grooves 5, 6 to prevent sliding contact with the window glasses. However, it was very difficult to flock the bottoms of the grooves 5 and 6 because the openings of the grooves were narrowed by the lip 8. In addition, since the window frame 1 required a considerable thickness of iron plate to provide strength, the grooves 5 and 6 could not be made sufficiently wide, and therefore the window glass 2 ,3
Since the lip cannot be protruded in the direction,
It had the disadvantage of poor sealing performance. Furthermore, the window frame 1 and the weather strip 4 had to be molded separately and then assembled by hand, which required extra work.

The present invention was proposed to solve the above-mentioned conventional drawbacks, and even if a thin plate such as stainless steel, which does not require painting, is used, the weather strip can be made of hard resin to provide sufficient strength. Since the window glass is made of hard resin, the process to promote the sliding of the window glass against the bottom of the groove of the weather strip can be omitted, and since the metal plate that makes up the outer surface of the window frame is made of a thin plate such as stainless steel, there is plenty of groove width to prevent weather To provide a window frame for a sliding door for a vehicle in which a lip can be projected from both side walls of the strip, the lip is made of a soft resin, and the waterproof effect can be sufficiently maintained.

An embodiment of the present invention will be described below with reference to the drawings. A window frame 1 showing an embodiment of the present invention shown in FIG. 4 is a cross-sectional portion taken along the line A to A in FIG. 2. In Fig. 4, numeral 10 denotes an outer surface member of a sliding window frame of a vehicle, a part of which is provided with a mounting portion 10a to be attached to the body of the vehicle, and is made of stainless steel, titanium alloy, aluminum alloy, etc. that does not require painting. A weather strip 12 made of hard resin is fixed to the upper surface of the outer member 10 with an adhesive 11. weather strip 1
2 is formed with grooves 13 and 14 into which the peripheries of the window glasses 2 and 3 can be inserted and slid;
The bottom surfaces 13a and 14a of 14 are in contact with the bottom sides of the window glass so that they can slide.

At the top of the inner wall 15, center side wall 16, and outer wall 17 of the grooves 13 and 14 of the weather strip 12,
Lips 18, 19, and 20 are integrally molded and protrude from both sides of the window glasses 2 and 3, respectively, to exert a sealing effect. The lip 18 is molded from a soft resin simultaneously and integrally with the inner wall 15, center side wall 16, and outer wall 17 of the weather strip 12, which are made of a hard resin, by the same molding machine. In addition, the top surfaces of the lips 18, 19, 20 that come in contact with the window glasses 2, 3 are covered with short fibers 2 by electrostatic flocking.
1 is flocked, and this flocking allows the window glasses 2 and 3 to slide smoothly in contact with the lip even if the lip is made of soft resin. In order to improve slippage, instead of flocking the short fibers 21, silicone resin or the like may be applied to the upper surfaces of the lips 18, 19, 20. Also, ABS resin or the like may be used for the hard resin part of the weather strip 12, but in order to mold the hard and soft resin parts so that they can be well joined together, they should be made of the same material, for example, both made of vinyl chloride resin. It is better to use The window frame 1 thus obtained is fixed to the window side portion of the vehicle body 22 via the adhesive layer 23 at its attachment portion 1a. Further, a cover (trim) 24 made of a resin material with a metal insert is formed on the outer surface thereof, and is covered by the cover 24 to prevent rainwater etc. from entering through the gap between the joint part of the body 22 and the window frame 1.

Next, a method for forming a window frame according to an embodiment of the present invention will be explained based on FIG. In FIG. 5, portions X to X on the right side of the upper side of the drawing and portions X to X on the left side of the lower side are connected, but due to space limitations, they are shown separated into upper and lower parts. Now, in FIG. 5, a roll-wound thin plate 25 of stainless steel or the like is pulled out and entered into a roll forming machine 26, where it is formed into an external member 10 having a cross-sectional shape as shown in FIG.

Next, the adhesive 11 is applied to the upper surface of the outer surface member 10, that is, the entire surface of the upper surface 10b to which the weather strip 12 is attached, by the gluing device 27, and the glued portion of the outer surface member 10 to which the glue has been applied is heated by the heating device 28. After that, it is sent to a resin molding machine 29. In this resin molding machine, for example, a hard resin and a soft resin are simultaneously injected from separate nozzles, and as shown in FIG.
6. Outer wall 17 and lip 1 made of soft resin
A known injection molding machine or the like is used in which the parts 8, 19, and 20 are integrally molded and simultaneously fixed to the upper surface 10b of the outer member 10.

The integral part of the outer surface member 10 and weather strip 12 that comes out of the resin molding machine 29 enters the cooler 30, is cooled by being sprayed with cooling water, etc., and then sent to the dryer 31 to be dried. Then, adhesive is applied to the upper surfaces of the lips 18, 19, 20 by the gluing device 32, and the next electrostatic flocking machine 3 is applied to this adhesive part.
3, short fibers 21 are flocked, resulting in a cross section as shown in FIG. As shown in FIG. 7, a cover member 34 made of a soft resin is attached to the surface of the molded member exiting the resin molding machine 29 that will become the front side when used as a window frame of the outer member 10. This is to prevent the surface of the outer surface member 10, which is the front side of the window frame, from being scratched during the various processing steps shown in FIG. 8, but when the cover member 34 is in the position shown in FIG. Since it is no longer necessary, this cover member 34 is peeled off using a knife 35. In this case, the eighth
Cuts are made in the cover member 34 at parts a and b shown in the figure, and the cover member 34 is peeled off, and the upper part a becomes a cut surface that is exposed on the outside, and a part of the soft resin cover member 36 remains behind the lower part b. However, this cover member 36 is left in order to prevent the protrusion of the metal outer surface member from directly touching and damaging the body 22 when the window frame is attached to the vehicle body 22 as shown in FIG. It is something. The member formed in this way as shown in Figure 9 remains long, but is sent to the next process where it is cut to the size of the window frame, and then processed into the shape of the window frame as shown in Figure 2. Ru.

As explained in detail above, in the present invention, the outer surface member having a cross-sectional shape as a window frame for a sliding door of a vehicle is formed of a thin plate made of stainless steel or the like, but the weather strip fixed to the upper surface of the outer surface member is substantially Since the pair of grooves are made of a hard resin with strength, the inner, outer, and center groove side walls can be made thinner. In addition, in order to improve the weather resistance of the hard resin and the appearance design of the window frame, the external members are fixed to the hard resin, but since they are reinforced with the hard resin, the outer members can be thin, and especially the central side wall. Since it can be made thinner by using hard resin, it has a remarkable effect on reducing the thickness of a window frame having a pair of grooves. Furthermore, since the outer surface member is a thin plate, it can be made lighter, and since the outer surface member is made of a material such as stainless steel that does not require painting, there is no need for painting unlike conventional iron plates.

In addition, because the base of the soft resin lip was directly fixed to the side of the upper part of the side wall, only the lip with elastic function was placed between the side wall and the window glass, and the space occupied by it was extremely small. Also, consideration has been given to reducing the width of the window frame. Furthermore, since it is reinforced from the side wall in the direction of elastic contact with the window glass, the lip has sufficient sealing force. In addition, since the weather strip was fixed to the thin plate at the same time as the molding,
The sealing performance between the two is improved, and water does not enter between the thin plate and the weather strip, which helps prevent the thin plate from rusting.

Also, since the lip is made of soft resin, the sealing effect is good,
Since the lip surface that makes sliding contact with the window glass is the upper surface of the lip, it is easy to attach parts to improve sliding. Furthermore, since the bottom surface of the groove of the weather strip against which the bottom side of the window glass slides is made of soft hard resin, there is no need for the conventional hard-to-process processing such as flocking to improve sliding on this bottom surface. In addition, since the outer surface member is formed from a thin plate, there is more room in the groove width of the weatherstrip, allowing the lips to protrude from both sides of the weatherstrip, making it possible to further improve the sealing effect compared to conventional methods. can. Since the outer surface member is a thin plate, it is easy to form it into the cross-sectional shape of a window frame for a sliding door, and if the weather strip is automatically molded to be integrally attached to the outer surface member, the outer surface member and the weather strip can be easily formed. Compared to the case where the strips are individually molded and assembled, there is no need for manual assembly, resulting in significant labor savings.

[Brief explanation of the drawing]

Figure 1 is a side view of a vehicle equipped with a sliding window frame.
Fig. 2 is a front view of the double sliding window, Fig. 3 is a sectional view of a conventional double sliding window frame taken along the section A to A in Fig. 2, and Fig. 4 is a window frame showing an embodiment of the present invention. 2, FIG. 5 is an explanatory diagram sequentially showing the forming process of the window frame in FIG. 4, FIG. 6 is a sectional view from B to B in FIG. 5, and FIG. Figure 8 is a sectional view from C to C in the figure, Figure 8 is a sectional view from D to D in Figure 5, and Figure 9 is a sectional view from E to E in Figure 5.
FIG. Explanation of the main parts of the figure, 1...Window frame, 1a...Mounting part, 2, 3...Window glass, 10...Outer surface member,
10a... Attachment part, 10b... Upper surface of outer surface member,
12... Weather strip, 13, 14...
groove, 15...inner wall, 16...center side wall, 17...
...Outer wall, 18, 19, 20... Lip, 21...
...short fiber (material that improves slippage).

Claims (1)

[Claims] 1. An outer surface member made of a thin plate of stainless steel or the like that does not require painting and has a cross-sectional shape as a window frame for a sliding door of a vehicle, and has a mounting portion attached to the body of the vehicle in one part, and is fixed to the upper surface of the outer surface member, a weather strip made of a hard resin and having an outer wall, a central side wall, and an inner wall forming a pair of window glass grooves in which a vehicle window glass can slide; A lip made of a soft resin whose base is directly fixed and formed integrally and which has a sealing effect in contact with the window glass surface, and a member attached to the upper surface of the lip that makes sliding contact with the window glass to improve slippage. A window frame for a sliding door for a vehicle, characterized in that the integrally molded weather strip made of hard resin and the lip made of soft resin are fixed to the upper surface of the outer surface member simultaneously with the integral molding.