JPH071305Y2 - Energizing structure of sliding sunroof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of Invention] <Industrial Application Field> The present invention relates to a current-carrying structure of a sliding sunroof using a sunroof panel having an electric light control element.

<Prior Art> By providing a sunroof panel that can open and close the opening provided on the roof of an automobile, outside air can be taken into the passenger compartment from the roof side, and the sunroof is designed to enhance the feeling of openness and exhilaration. There is. Furthermore, glass is used for this sunroof panel, and sunlight is taken into the passenger compartment even when the sunroof panel is closed to improve comfort and provide a sunshade to block strong sunlight. There is. However, since the sunshade is generally opened and closed manually, there is a disadvantage that its operability becomes complicated.

There has been proposed a light control glass having a sandwich structure in which a dispersion type liquid crystal sheet as an electric light control element is sandwiched between two pieces of glass. Although this light control glass does not allow much light to pass through when no voltage is applied, it not only becomes almost transparent when a voltage is applied, but it also instantly changes its transparency by turning the applied voltage on and off. Can be changed. By using this light control glass as a sunroof glass, a sun shade is not required.

If such a light control glass is made to blink at the time of opening / closing, the opening / closing operation of the sunroof glass can be easily visually recognized, and its commercialability can be enhanced. However, in order to make it blink, a control unit is required, which causes a problem that the cost of parts rises.

<Problems to be solved by the device> In view of the findings of the inventor, the main purpose of the present invention is to
It is an object of the present invention to provide a current-carrying structure for a sliding sunroof that has a simple structure and can blink the sunroof panel portion when opening and closing by using an electric light control element provided on the sunroof panel.

[Construction of the Invention] <Means for Solving the Problems> According to the present invention, the purpose is to provide an electric dimming element that is slidable to open and close an opening provided in the roof of a vehicle. A sunroof panel having, a current-carrying rail extending along the sliding direction on one of the vehicle side and the sunroof panel side, and the vehicle-side and the sunroof panel side for electrically contacting the current-carrying rail. And a brush means provided on the other of the above, and an electric structure of a sliding sunroof configured to electrically connect the electric circuit provided on the vehicle side and the electric light control element to each other. And an electrical contact portion of the current-carrying rail with the brush means is intermittently arranged in the sliding direction, thereby providing a current-carrying structure for a sliding sunroof. It is achieved by Rukoto.

<Operation> In this way, the electric dimming element provided on the sunroof panel can be energized intermittently when opening and closing without separately providing a blinking control unit, etc. Sometimes it can be easily blinked.

<Embodiment> Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view schematically showing a main part of a sliding sunroof of an automobile to which the present invention is applied. One of them is shown below because it is symmetrical. An opening 2 is opened in the front part of the vehicle of a roof panel 1 which constitutes the roof of the vehicle, and by opening and closing a sunroof glass 3 as a sunroof panel capable of closing the opening 2, outside air can be arbitrarily controlled. Can be taken indoors.

A sunroof frame is attached to the interior side of the roof panel 1 from the lower surface of the roof panel 1 at a predetermined interval. The sunroof frame 4 is attached to the sunroof frame 4.
The indoor side opening 5 corresponding to the opening 2 is opened. Guide rails 6 that are bilaterally symmetrical and parallel to each other are provided on the side portions of the sunroof frame 4 along the front-rear direction of the vehicle.

A metal glass holder 7 serving as a frame for holding the lower surface and the end surface of the sunroof glass 3 is integrally attached to the peripheral portion of the sunroof glass 3, and the front and rear portions of the vehicle in the portion along the guide rail 6 of the glass holder 7 are attached. The front stay 8 and the rear stay 9 are provided symmetrically. The sunroof glass 3 is guided by the guide rail 6 via the stays 8 and 9 and slides in the front-rear direction of the vehicle to open and close the opening 2.

Further, the rear stay 9 is connected to the free end portion of the inner cable of the push-pull cable 11 via a known link mechanism for moving the rear side of the sunroof glass 3 also in the vertical direction. The push-pull cable 11 is of a known type in which a wire is spirally wound around the outer peripheral surface of a flexible inner cable, and is supported by the guide rails 6 and extended to the rear of the sunroof frame 4. Moreover, the sunroof frame 4 is arranged along the rear edge of the sunroof frame 4. A gear device 12 is disposed on the rear side of the central portion of the rear end of the sunroof frame 4, and the base end portion of the inner cable of the push-pull cable 11 is located inside the gear device 12 connected to the sunroof motor 13. It meshes with the drive gear.

Therefore, by rotating the sunroof motor 13 in the forward and reverse directions, the inner cable of the push-pull cable 11 advances and retreats, and the sunroof glass 3 moved via the rear stay 9 is located between the rear lower surface of the roof panel 1 and the sunroof frame 4. It will be stored in or closed the opening 2.

FIG. 2 is a sectional view taken along the line II-II shown in FIG. 1, showing the front stay 8 portion. The base end portion of the weather strip 14 is fixed to the periphery of the sunroof glass 3 together with the glass holder 7 so as to cover the end surface 15 of the sunroof glass 3 and the upper and lower surfaces in the vicinity thereof. The free end having a hollow cross section abuts on the peripheral surface to prevent rainwater and the like from entering. The glass holder 7
A molding 16 is attached to the inner peripheral edge of the glass holder 7, and the glass holder 7 and the sunroof glass 3 are fixed to each other by an adhesive agent enclosed between the glass holder 7 and the sunroof glass 3.

The guide rail 6 is integrally formed with a guide groove portion 17 having a U-shaped cross-section that is open toward the inner side of the opening portion 2. One end portion of the guide groove portion 17 is attached to the lower surface of the glass holder 7 by, for example, a bolt. The free end side of the front stay 8 fixed with 18 extends downward from the glass holder 7 and projects into the guide groove portion 17. A slider 19 molded at the projecting end is slidably received in the guide groove 17 in the longitudinal direction of the vehicle. The guide rail 6 has a rear stay 9 on the side of the guide groove 17 on the side of the vehicle.
The rail surface portion 21 for slidably supporting the above-mentioned link mechanism and the guide hole portion 22 for guiding the push-pull cable 11 are integrally formed.

By the way, the sunroof glass 3 comprises, for example, a dispersion type liquid crystal sheet 23 as an electric light control element sandwiched between two glass plates. As shown in FIG. 2, the lead wire 24 for supplying the applied voltage of the liquid crystal sheet 23 is taken out from the end surface 15 of the sunroof glass 3, and passes through between the weather strip 14 and the sunroof glass 3 and inside the glass holder 7. The free end side of the lead wire 24 is extracted below the glass holder 7 through a hole 25 formed in an appropriate position of the glass holder 7.

On the guide rail 6, an energization rail 28 is fixedly provided on the outer wall surface 26 of the guide groove portion 17 on the side of the vehicle, and extends along the sliding direction via an insulator 27. A base of a brush 29 made of a long plate-shaped conductor is fixed to an exposed portion of the front stay 8 between the glass holder 7 and the guide rail 6 via an insulator 30. The brush 29 is L-shaped from the base portion along the outer surface of the guide groove portion 17, and is bent so that its free end faces the current-carrying rail 28. A contact portion 31 having a convex shape is provided at the free end of the brush 29 so as to be in sliding contact with the current-carrying rail 28.

As shown in FIG. 3, a plurality of sliding contact surface portions formed on the current-carrying rail 28 with a predetermined length in the sliding direction.
34 are arranged at a predetermined interval from each other, and a part of the insulator 27 is exposed between the sliding contact surface portions 34 so as to form the same plane as the sliding contact surface portions 34. Further, a connector 32 attached to a free end of the lead wire 24 is coupled to a base end of the brush 29, and a voltage supply (not shown) as an electric circuit provided on the vehicle side is provided to a front end of the energization rail 28 on the vehicle front side. A connector 33 electrically connected to the unit is coupled. Therefore, slide the sunroof glass 3 to remove the brush 29.
The liquid crystal sheet 23 and the voltage supply unit are electrically connected only when the contact portion 31 and the sliding surface portion 34 of the energization rail 28 are in sliding contact with each other.

The energizing structure configured in this manner is provided on, for example, the left and right front stays 8 and the guide rails 6, and the power source side is connected to one side and the ground side is connected to the other side, thereby applying an applied voltage to the liquid crystal sheet 23. Can be supplied.
When the applied voltage is supplied to the liquid crystal sheet 23, the liquid crystal molecules are aligned and the liquid crystal sheet 23 becomes transparent, and when the supply of the applied voltage is stopped, the liquid crystal sheet 23 becomes opaque. Therefore, when the sunroof glass 3 is slid, the contact portion 31 of the brush 29 is
Is intermittently slidingly contacting the sliding contact surface portion 34 of the current-carrying rail 28,
The sunroof glass 3 can be opened and closed while repeating the transparent or opaque state.

In this embodiment, the energizing rail 28 is provided on the guide rail 6 side and the brush 28 is provided on the front stay 8.
On the contrary, the brush 28 may be fixed to the vehicle side, and the energization rail 28 may be provided on the sunroof glass 3 side and slid together. Also, the respective installation locations are not limited to the front stays 8 and the guide rails 6, but may be provided, for example, on the glass holder 7 or the sunroof frame.

Further, in the present invention, not only the slide type sunroof in which the liquid crystal sheet is provided on the sunroof glass as shown in the above embodiment, but also a display body or the like is provided on the sunroof panel as an electric light control element. It is also applicable to sliding sunroofs. Further, the roof panel is not limited to a glass panel, and may be a resin or metal sunroof panel.

[Effects of the Invention] As described above, according to the present invention, when the sunroof portion is opened and closed by using the electric dimming element provided on the sunroof panel, it has a simple structure without separately providing a blinking control unit or the like. Because it can be blinking,
The product characteristics of the sliding sunroof can be enhanced without the cost of parts soaring, and the effect is extremely large.

[Brief description of drawings]

FIG. 1 is a plan view schematically showing a main part of a sliding sunroof to which the present invention is applied. FIG. 2 is a sectional view taken along the line II-II in FIG. FIG. 3 is a perspective view of an essential part showing an energization structure according to the present invention. 1 ... Roof panel, 2 ... Opening 3 ... Sunroof glass, 4 ... Sunroof frame 5 ... Indoor opening, 6 ... Guide rail 7 ... Glass holder, 8 ... Front stay 9 ... Rear stay 11 …… Push-pull cable 12 …… Gear device, 13 Sunroof motor 14 …… Weather strip 15 …… End face, 16 …… Mall 17 …… Guide groove, 18 …… Bolt 19 …… Slider, 21 …… Rail surface 22 …… Guide hole, 23 …… Liquid crystal sheet 24 …… Lead wire, 25 …… Hole 26 …… Outer wall surface, 27 …… Insulator 28 …… Current rail, 29 …… Brush 30 …… Insulator, 31… … Contact points 32, 33 …… Connector, 34 …… Sliding surface

Claims (1)

[Scope of utility model registration request] 1. A sunroof panel which is slidable to open and close an opening provided on a roof of a vehicle and has an electric light control element; and the sliding direction on one of the vehicle side and the sunroof panel side. And a brush means provided on either the vehicle side or the sunroof panel side for electrically contacting the current-carrying rail, the brush means being provided on the vehicle side. In a current-carrying structure of a sliding sunroof configured to electrically connect the electric circuit and the electric light control element to each other, an electric contact portion of the current-carrying rail with the brush means,
A current-carrying structure for a sliding sunroof, which is discontinuously arranged in the sliding direction.