JPH0785964B2 - Window panel molding structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to a window panel molding structure (hereinafter, simply referred to as a “molding structure”).

<Prior Art> As a conventional molding structure, for example, one shown in FIG. 2 is known (see Japanese Utility Model Laid-Open No. 60-157320).

In this molding structure, a molding 3 having an eaves portion 1 and a fulcrum portion 2 is arranged around a window panel 4, and a lining material 3a is provided on the inner surfaces of the eaves portion 1 and the fulcrum portion 2. The molding 3 is made of a resin having a small linear expansion coefficient, and the lining material 3a is made of a metal having a large linear expansion coefficient. Therefore, during cold weather (such as during snowfall), the eaves portion 1 is in contact with the window panel 4, and during non-cold weather (such as during rainfall), the eaves portion 1 is indicated by an imaginary line according to temperature changes. As described above, the fulcrum portion 2 is adapted to be deformed from the state in which it is in contact with the window panel 4 to the state indicated by the solid line, and the fulcrum portion 2 receives a reaction force when the eaves portion 1 is deformed.

The eaves portion 1 is deformed in this way by contacting the eaves portion 1 with the window panel 4 for snow removal countermeasures during cold weather, and separating the eaves portion 1 from the window panel 4 for rainfall prevention during non-cold weather. This is for forming the rainwater gutter 5.
Incidentally, reference numeral 6 in the figure denotes a part of the vehicle body.

<Problems to be Solved by the Invention> However, in this molding structure, since the fulcrum portion 2 is simply brought into contact with the window panel 4, the deformation force due to temperature change does not always act only on the deformation of the eaves portion 1. , There is a possibility that the mall 3 cannot obtain a predetermined state. Specifically, when the eaves portion 1 is deformed in the direction away from the window panel 4, the state becomes as shown in FIG. 3, for example, and the eaves portion 1 is deformed in the direction in which the eaves portion 1 abuts on the window panel 4. When doing, for example, the state shown in FIG. That is, in this conventional molding structure, the deformed state of the eaves portion 1 is unstable.

<Means for Solving the Problems> In order to solve the above problems, in the mall structure according to the present invention, the mall disposed around the window panel has an eaves portion located on the front surface side of the window panel and the window panel. A shape memory member consisting of a fulcrum portion located on the terminal surface side, the shape memory member that deforms the eaves portion in a direction away from the surface of the window panel during heating from the eaves portion to the fulcrum portion of the molding, and the eaves portion in the normal time. A spring member to be deformed in the direction of contacting the surface of the shape memory member, respectively, embedded heating wire for heating in the vicinity of the bent portion formed between the eaves portion and the fulcrum portion of the shape memory member, A portion of the fulcrum portion in which the shape memory member is embedded is inserted and locked in the receiving portion of the receiving member fixed to the vehicle body, and the spring member is embedded. The part was engaged with the terminal surface of the window panel.

<Operation> In this molding structure, the portion of the fulcrum in which the shape memory member is embedded is inserted and locked in the receiving portion of the receiving member fixed to the vehicle body, and the portion in which the spring member is embedded is fixed. Since it is engaged with the terminal surface of the window panel, the fulcrum at the time of deformation of the eaves portion is stable, the deforming force works efficiently only on the eaves portion, and the predetermined state is always obtained stably.

In addition, by embedding a heating wire for heating in the vicinity of the bent portion of the shape memory member, the heating is concentrated in the bent portion that needs to be heated, and compared with the case where the shape memory member itself is energized and heated. In addition, it is possible to save the electric power for heating and speed up the deformation reaction of the shape memory member.

<Example> Hereinafter, an example of the present invention will be described with reference to the drawings.

First, the molding 10 used in this molding structure will be described. The mall 10 includes an eaves portion 13 located on the front surface side of the window panel 4 and a fulcrum portion 14 located on the terminal surface 4a side of the window panel 4, and the eaves portion 13 and the fulcrum portion 14 have a cross section opposite to each other. It is integrated so as to form a letter shape, and the fulcrum portion 14 further has a main fulcrum portion 16 with a locking step portion 15 and a tip,
It is divided into an auxiliary fulcrum 17 which is slightly bent toward the terminal surface 4a.

In addition, a shape memory member 18 having an inverted L-shaped cross section is provided on the eaves 13 of the molding 10 so as to be substantially similar to the molding 10.
Also, the spring member 19 having a shape similar to that of the shape memory member 18 is embedded while straddling the main fulcrum portion 16 and the eaves portion 13 and the auxiliary fulcrum portion 17.

That is, in this molding 10, when the shape memory member 18 reaches a predetermined temperature, the bending portion 21 between the eaves portion 13 and the fulcrum portion 14 is deformed as a movable portion, so that the eaves portion 13 is imagined in FIG. It deforms to the state shown by the line, and returns to the state shown by the solid line by the urging force of the spring member 19 as the temperature decreases.

Here, it is necessary to heat the shape memory member 18 in order to reach a predetermined temperature for deforming it into a memory shape.
For that purpose, a heating wire 22 as a heating source is embedded close to the bent portion 21 of the shape memory member 18.

It is one of the characteristics of this molding structure that the heating wire 22 is embedded near the bent portion 21 of the shape memory member 18 as described above. As compared with the case where the member 18 itself is energized and heated, the power for heating is saved and the deformation reaction of the shape memory member 18 is accelerated.

The receiving member 12 has a substantially J-shaped cross section.
It has a receiving portion 23 for inserting and locking the main fulcrum portion 16 of 10, and the locking step portion 15 of the main fulcrum portion 16 is provided at one end of the receiving portion 23.
A locking edge 24 is formed to lock to.

Next, the mounting state of the molding 10 will be described.

The mall 10 is arranged around the window panel 4, and the slope portion 7 of the vehicle body 6 before the window panel 4 is attached.
By inserting and locking the main fulcrum portion 16 of the molding 10 into the receiving portion 23 of the receiving member 12 fixed by the double-sided adhesive tape 26, the molding 10 and the receiving member 12 are integrated, and the molding 10
Is fixed to the vehicle body 6. At this time, the tip of the auxiliary fulcrum 17 is embedded in the uncured adhesive 25, and the auxiliary fulcrum 17 is attached to the terminal surface 4a of the window panel 4.
Will be in a state of being engaged with.

The mall 10 attached in this manner deforms the shape memory member 18 when necessary, that is, at the time of rainfall, when the bent portion 21 is heated to a predetermined temperature by energizing the heating wire 22 in conjunction with, for example, a wiper switch. , Along with this eaves
13 is deformed into a state shown by an imaginary line, and the deformed eaves 13 form a rainwater gutter 27. On the other hand, when the heating wire 22 is de-energized and the temperature drops, the eaves portion 13 is re-deformed by the urging force of the spring member 19 and returns to the normal state where it comes into contact with the surface of the window panel 4.

One of the characteristics of such a molding structure is that the fulcrum portion 14 that receives a reaction force in the deformation of the above-mentioned eaves portion 13 is stable, and the deforming force acts only on the eaves portion 13 so that the eaves portion 13 is always stable and predetermined. The state is to be obtained. Specifically, the main fulcrum portion 16 that is the portion in which the shape memory member 18 is embedded is the receiving portion of the receiving member 12.
Since it is inserted and locked in 23, the fulcrum is stable when the shape memory member 18 is deformed and the eaves portion 13 is deformed due to this, and the deforming force acts only on the eaves portion 13 and is always stable. And a predetermined state is obtained. Further, since the auxiliary fulcrum portion 17 which is the portion in which the spring member 19 is embedded is engaged with the terminal surface 4a of the window panel 4, the reaction force of the spring member 19 is fixed to the vehicle body 6 when the eaves portion 13 is deformed. It can be reliably transmitted to the window panel 4.

<Effects of the Invention> The molding structure according to the present invention has the contents as described above, and a portion of the fulcrum portion in which the shape memory member is embedded is provided in the receiving portion of the receiving member fixed to the vehicle body. In addition to inserting and locking the spring member, the part where the spring member is embedded is engaged with the end surface of the window panel, so the fulcrum at the time of deformation of the eaves is stable and the deforming force works efficiently only on the eaves. As a result, the predetermined shape can always be stably obtained.

In addition, by embedding a heating wire for heating in the vicinity of the bent portion of the shape memory member, the heating is concentrated in the bent portion requiring heating, and compared with the case where the shape memory member itself is energized and heated. In addition, it is possible to save the electric power for heating and speed up the deformation reaction of the shape memory member.

[Brief description of drawings]

FIG. 1 is a schematic sectional view of a molding structure according to the present invention, FIG. 2 is a schematic sectional view of a conventional molding structure, and FIGS. 3 and 4 are moldings in the molding structure of FIG. 2, respectively. FIG. 6 is a schematic cross-sectional view showing a deformed state of 4 …… Window panel 4a …… Terminal surface 6 …… Car body 10 …… Mall 12 …… Receiving member 13 …… Eaves 14 …… Support point 16 …… Main support point (the part where the shape memory member is embedded) 17… … Auxiliary fulcrum part (portion where spring member is embedded) 18 …… Shape memory member 21 …… Bending part 22 …… Heating wire 23 …… Receiving part 27 …… Rainwater gutter

Claims (1)

[Claims] 1. A mall disposed around the window panel comprises an eaves portion located on the front surface side of the window panel and a fulcrum portion located on the terminal surface side of the window panel, and the fulcrum portion from the eaves portion of the mall. A shape memory member that deforms the eaves portion in a direction away from the surface of the window panel during heating, and a spring member that deforms the eaves portion in a direction in which the eaves portion abuts the surface of the window panel during heating. A heating wire for heating is embedded in the vicinity of a bent portion formed between the eaves portion and the fulcrum portion of the memory member, and a portion of the fulcrum portion in which the shape memory member is embedded is fixed to a vehicle body. A window panel characterized by being inserted into and locked in the receiving portion of the member, and engaging the portion in which the spring member is embedded with the terminal surface of the window panel. Of the mall structure.