JPH0712133Y2 - Car sunroof structure - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile sunroof structure, and more particularly to a drive link mechanism for operating a sunroof lid.

2. Description of the Related Art A sunroof lid for an automobile is slidable in the front-rear direction between a closed position and a storage position behind the roof, and a rear drain that is slidable together with the sunroof lid is provided below the rear edge of the roof opening. ing. Specifically, for example, as disclosed in Japanese Patent Laid-Open No. 61-125919, a guide member slidably arranged on a guide rail and a bracket end fixed to the back surface of the sunroof lid are provided. In addition to connecting with a link, connecting the bracket and the rear drain with a towing member, retracting the sunroof lid,
At the time of storage, by moving the guide member backward, the sunroof lid is once lowered at the closed position, and after that, the sunroof lid can be retracted and stored together with the rear drain in conjunction with the backward movement of the guide member. ing.

Problems to be Solved by the Invention Since the rear drain and the bracket are connected and arranged through a traction member, and the traction member is in a vertical positional relationship with respect to the rear guide shoe, the combination of the rear guide shoe and the traction member The mounting height becomes bulky, and the so-called unit height from the sunroof lid to the guide rails increases, and the head clearance of the occupant is reduced accordingly. Further, when the sunroof lid is tilted up, the pulling member is visible from the outside. Therefore, the present invention provides a sunroof structure for an automobile that can reduce the unit height as much as possible and increase the head clearance of an occupant.

Means for Solving the Problems In a structure in which guide rails are arranged along both side edges of a roof opening, and a sunroof lid is slidably arranged on the guide rails via a drive link mechanism,
The drive link mechanism includes a rear guide fixed on a rear guide shoe engaged with a guide rail, a front sub guide, a front guide fixed on a front guide shoe engaged with the guide rail, and a sunroof lid. And a front guide and a front sub guide, which are raised and lowered by the movement of the front sub guide, and a rear link which is connected to the sunroof lid and the rear guide and is raised and lowered by the movement of the rear guide. A drain shoe that slides and guides a rear drain is disposed on the rear side of the rear guide shoe of the guide rail, and the drain shoe and the front guide shoe are connected by a rod that is inserted into the side portion of the rear guide shoe. is there.

Action By moving the rear guide shoe backwards, the front link,
The rear link is laid down, the sunroof lid descends once at the closed position, and then the front guide moves backwards together with this rear guide chute via the front link, and the front guide and rear drain are integrated via the rod. It moves backward and is slid and stored in the storage unit while maintaining the positional relationship between the sunroof lid and the rear drain.

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

1 to 9, reference numeral 1 denotes a roof panel formed in a roof opening 2, and a plurality of brackets 4 for connecting guide rails 6 to be described later to lower edges are provided at both side edges of the roof opening 2. The reinforcement 3 which it has is joined and reinforced. In this embodiment, the bracket 4 is formed by bending inward so that the bracket 4 does not interfere with the roof side rail 5 when the roof panel 1 is dropped onto the roof side rail 5 and joined. Thus, the size of the roof opening 2 in the vehicle width direction is enlarged, and accordingly, the guide rail 6 is arranged as close to the roof side rail 5 side as possible to enlarge the head clearance of the occupant. The guide rail 6 has an attachment sheet portion 7 on its outer edge.
And the rising wall 8 is formed stepwise following the mounting sheet portion 7. The rising wall 8 is arranged outside the reinforcement 3, and the mounting sheet portion 7 is attached to the lower surface of the bracket 4. By fixing the screw 10, a drip channel 9 is formed between the rising wall 8 and a portion of the reinforcement 3 which is not exposed from the outside, so that the appearance is improved. A bracket 11 is projectingly provided on the lower side of the rising wall 8, and a bolt / nut 14 is coupled to the roof side rail 5 via a body side bracket 13 which is coupled to the bracket 11 by a bolt / nut 12 to provide the guide. The rail 6 is supported substantially directly on the roof side rail 5, and the sunroof lid 15 and the drive link mechanism 2 described later
The load of the sunroof unit including 0 and the like is applied to the roof side rails 5 to increase the mounting rigidity.

In this embodiment, the sunroof lid 15 is composed of a transparent or semi-transparent central panel 16 and a peripheral panel 17 made of a thin metal plate such as a metal plate. The peripheral panel 17 has a horizontal portion 18a on the back surface thereof in a portion corresponding to the guide rail 6 and parallel to the guide rail 6.
The inner panel 18 formed with the overhang portion 18b extending inward from the inner peripheral edge of the
Retainer 19 whose inner peripheral edge is fixed to the outer peripheral edge of the central panel 16.
While fitting in from above, the edge of the overhang portion 18b of the inner panel 18 is elastically contacted with the back surface of the central panel 16,
The central panel 16 and the peripheral panel 17 are integrally connected. Then, by effectively utilizing the space formed on the back of both sides of the peripheral panel 17, the drive link mechanism 20 is mounted in this space to reduce the vertical dimension from the sunroof lid 15 to the guide rail 6 as much as possible. I am allowed to do so.

The drive link mechanism 20 is attached to the front and rear link brackets 22 and 23 having bolts and nuts 21 fixed to the horizontal portion 18a of the inner panel 18 on both sides of the peripheral panel 17. The drive link mechanism 20 includes a rear guide 26 fixed on a rear guide shoe 25 engaged with the guide rail 6, a front sub guide 27, and a front guide fixed on a front guide shoe 28 engaged with the guide rail 6. 29, a front link 30, a rear link 31, and the like. The front and rear link brackets 22 and 23 are integrally formed by a bridge portion 24 in this embodiment. The front link 30 has an intermediate portion connected to the front guide 29 by a pin 32, a guide pin 33 provided at the rear end engaged with a slide slit 27a formed in the front sub guide 27, and a front end attached to the front link bracket 22. Pins 34 connect to these front link brackets 22
The front guide 29 and the front sub guide 27 are connected and arranged so as to be offset in the front-rear direction. Rear link 31
Connects its front end to the rear link bracket 23 with a pin 35, and engages the rear end with a slide slit 26a formed in the rear guide 26 via a guide pin 37, thereby connecting the rear link bracket 23 and the rear guide 26 in the front-rear direction. Is offset and connected. The rear link 31 is further provided with two guide pins 36 and 38 in addition to the guide pin 37. The guide pin 36 is slidably contacted with the cam groove 26b of the rear guide 26, and the guide pin 38 is slidably contacted with the cam surface 26c. It is engaged. An arm portion 39 is extended to the front end of the front link bracket 22, and a guide pin 40 provided at the end of the arm portion 39 is engaged with one rail groove 6a of the guide rail 6. A rising groove 6a ₁ is formed at the front end of the rail groove 6a, and the engagement point between the upper end portion of the rising groove 6a ₁ and the guide pin 40 serves as a tilt operation fulcrum of the sunroof lid 15. On the rear side of the rear guide shoe 25,
A drain shoe 43 that is engaged with the guide rail 6 and slides and guides the rear drain 42 is arranged. The drain shoe 43 is connected to the front guide shoe 28 via rods 44 inserted into guide holes 25a formed on both side edges of the rear guide shoe 25, and the front guide 29 and the rear drain 42 slide integrally. It is designed to move. The rear guide shoe 25 is connected to a gorde wire 41 which is driven by a motor and a speed reducer (not shown), and by pushing and pulling the gorde wire 41, the rear guide 26 and the front sub guide 27 slide integrally in the front-rear direction. It is designed to move. In FIG. 4, 45 and 46 are front and rear traversers connected to the front and rear ends of the left and right guide rails 6 via corner pieces 47, and 48 is a reinforcement that is provided between the left and right guide rails 6 near the rear traverser 46. A traverser 49 for a vehicle is a deflector whose lower edge is connected to a front traverser 45 by a hinge member 50, and both side edges are supported by a link mechanism 51 fixedly mounted on the front ends of the left and right guide rails 6, and the sunroof lid 15
By pressing and releasing the link 51a at the front edge of the sunroof lid 15, the link 51a is projected and retracted from the roof opening 2 as the sunroof lid 15 is opened and closed. Reference numeral 52 denotes a shade that slides in the front-rear direction along the left and right guide rails 6 below the sunroof lid 15.

According to the above embodiment structure, the sunroof lid 15 is
When the rear guide shoe 25 is pushed forward by the GOLDE wire 41 from the closed state as shown in the figure, the rear guide shoe 25 moves forward along the guide rail 6 and the rod 44, and the guide pin of the front link 30. 33 moves to the rear end side of the slide slit 27a of the front sub guide 27, while the guide pins 36, 37, 38 of the rear link 31 move the cam groove 26b of the rear guide 26, the slide slit 26a, the cam surface.
26c, the guide pin 36 is disengaged from the cam groove 26b, the guide pin 38 is engaged with the trailing edge step of the cam surface 26c, and the sunroof lid 15 is moved forward as shown in FIG. Tilt up with the guide pin 40 of the arm 39 at the front end of the link bracket 22 as a fulcrum.

Contrary to the above, when the Goldewire 41 is pulled from the closed state of the sunroof lid 15 shown in FIG. 1, the rear guide shoe 25 moves backward along the guide rail 6 and the rod 44, and with this backward movement, The guide pin 33 of the front link 30 is attached to the slide slit 27 of the front sub guide 27.
While moving to the front toe side of a, the guide pins 36, 37, 38 of the rear link 31 are respectively moved to the cam groove 26b, the slide slit 26a,
These slide slits 27 are moved to the front side of the cam surface 26c.
As shown in FIG. 3, the sunroof lid 15 is guided by the guiding action of a, the cam groove 26b, the slide slit 26a, and the cam surface 26c.
Is once lowered from the closed position. The lowering of the sunroof lid 15 causes the guide pin 40 of the arm portion 39 to rise in the rising groove.
While moving to the bottom of 6a _1, edge flanges after peripheral panel 17 is wrapped (see FIG. 8) enters the Riyadoren 42, sealed double in the longitudinal direction in the weather strip 53. After the sunroof lid 15 is lowered as described above, the sunroof lid 15, the front guide 29, and the rear drain 42 are integrated with the rear guide shoe 25.
Moves backward along the guide rail 6 into the storage portion 55, and the roof opening 2 is opened.

Here, the connection portion of the front link 30 on the sunroof lid 15 side, that is, the front link bracket 22, the front guide 29, the front sub guide 27 is offset in the front-rear direction, and the rear link 31 and the sunroof lid 15 side. Since the connecting portion, that is, the rear link bracket 23 and the rear guide 26 are offset in the front-rear direction, the sunroof lid
Front and rear link brackets when descending from the 15 closed position
22 and 23 are inserted in the vicinity of the positions where these guides 28, 27, and 26 are offset in the front-rear direction to ensure the descending stroke of the sunroof lid 15, and therefore the unit height from the sunroof lid 15 to the guide rail 6 is correspondingly increased. Can be as narrow as possible. Particularly, by effectively utilizing the space below the peripheral panel 17 of the sunroof lid 15 as in the present embodiment, by disposing the drive link mechanism 20 in this space, the drive link mechanism 20 becomes the space. Since the height dimension can be narrowed by the amount of entering, the head clearance of the occupant can be further expanded in addition to the reduction of the unit height. Further, the rod 44 connecting the front guide shoe 28 and the drain shoe 43 makes effective use of the rear guide shoe 25 as a guide and a reinforcing member, and is inserted and disposed in the guide holes 25a formed on both side edges thereof. For this reason, not only buckling can be reliably prevented, but also a layout that is space-friendly and aesthetically appealing can be achieved.

As described above, according to the present invention, the rod that connects the front guide shoe and the drain shoe is effectively used by using the rear guide shoe as a guide member and a reinforcing member, and is disposed through both side edges thereof. Therefore, the rear guide shoe and the rod are both housed in the guide rail, and the height dimension of the unit extending from the sunroof lid to the guide rail can be narrowed as much as possible to increase the head clearance of the occupant. Further, not only the buckling of the rod can be reliably prevented, but also the rod cannot be seen from the outside when tilted up, so that the layout can be aesthetically advantageous, which is a great practical effect.

[Brief description of drawings]

1 is a sectional view taken along the line II of FIG. 9 showing an embodiment of the present invention, FIGS. 2 and 3 are explanatory views of the operation of the same embodiment, FIG. 4 is an exploded perspective view of the same embodiment, and FIG. The figure is an exploded perspective view of the drive link mechanism and the guide rail, Fig. 6 is a sectional view taken along line VI-VI in Fig. 5, and Figs. 7 and 8 are lines VII-VII and VIII-VIII in Fig. 9. FIG. 9 is a plan view of the automobile showing the arrangement of the sunroof lid. 1 ... Roof panel, 2 ... Roof opening, 6 ... Guide rail, 15 ... Sunroof lid, 20 ... Drive link mechanism, 25 ... Rear guide shoe, 26 ... Rear guide, 27
…… Front sub guide, 28 …… Front guide shoe, 29 …… Front guide, 30 …… Front link, 31
…… Rear link, 42 …… Rear drain, 43 …… Drain shoe, 44 …… Rod.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Go Sato 2-15-6 Omoriminami, Ota-ku, Tokyo Jonan Manufacturing Tokyo Office (72) Inventor Hiroshi Imai 2-15-6 Omoriminami, Ota-ku, Tokyo Jonan Works Tokyo Office

Claims (1)

[Scope of utility model registration request] 1. A structure in which guide rails are arranged along both side edges of a roof opening and a sunroof lid is slidably arranged on the guide rails via a drive link mechanism. A rear guide fixedly mounted on a rear guide shoe engaged with the guide rail, a front sub guide, a front guide fixedly mounted on a front guide shoe engaged with the guide rail, a sunroof lid and a front guide, and It is composed of a front link that is connected to the front sub-guide and that is moved up and down by the movement of the front sub-guide, and a rear link that is connected to the sunroof lid and the rear guide and that is moved up and down by the movement of the rear guide. A drain train that slides and guides the rear drain is provided on the rear side of the rear guide shoe. The chromatography engaged arrangement, sunroof structure for an automobile, characterized in that connected by inserting the rod and the front guide shoe and the drain shoe rear guide shoes in the side.