JP2005212614A - Sunroof device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sunroof device capable of reducing the dimension between a movable panel and a guide rail by reducing the height of a cam to perform tilt-up and tilt-down of the movable panel. <P>SOLUTION: A cam comprises a first cam 31, and a second cam 32 arranged on the lower side of the first cam 31, and a movable link 50 having a first supporting part 51 which is rotatably supported by a slider 61 and guided by the first cam 31 and a second supporting part 66 to be guided by the second cam 32 are fixed to each other. Since the vertical dimension of the movable link 50 is small when the movable link 50 is turned in a falling manner, the vertical dimension of a sunroof device can be reduced. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a sunroof device that opens and closes an opening provided with a roof of a vehicle with a movable panel.

The sunroof device that opens and closes the opening provided in the roof of the vehicle by the movable panel is tilted so that only the rear end of the movable panel moves up and down above the roof surface from the state where the opening is fully closed. A tilt opening / closing operation that opens and closes and a slide opening / closing operation that opens and closes the opening by moving the rear end of the movable panel down from the roof surface (tilt down) and moving it back and forth along the guide rail are possible. In such a sunroof device, a cam member that is fixed to the left and right lower edges of the movable panel and extends in the front-rear direction is attached, and the cam member is formed with two groove-shaped cams that are disposed in the front-rear direction. Further, the slider is supported on the guide rail so as to be movable back and forth, and the slider is provided with two cam pins arranged at the front and rear, and each cam pin is engaged with the corresponding cam. A driving device for moving the slider is provided, and the tilt opening and closing operation and the sliding opening and closing operation of the movable panel can be performed according to the position of the slider. (For example, see Patent Document 1).
Japanese Patent No. 3369250

  In the sunroof device, there is a need to reduce the vertical dimension so as to ensure as much space as possible over the head of the occupant. In the conventional sunroof device, it is necessary to ensure a predetermined vertical dimension of the slider in order to obtain the required opening amount by the tilt opening / closing operation. On the other hand, since it is necessary to lower the movable panel once from the roof surface in order to open and close the slide, the minimum vertical dimension of the sunroof device is limited to the dimension where the movable panel and the slider do not contact at this time.

  An object of the present invention is to realize a sunroof device in which the vertical dimension is further reduced from the conventional limit determined by the height dimension of the slider, and a larger space above the occupant's head can be secured.

In order to solve the above-mentioned problems, the first technical means taken in the present invention opens and closes and tilts by moving in the front-rear direction with respect to the opening provided in the roof of the vehicle. The movable panel can be opened and closed by tilting the rear portion of the opening, the link fixed to the movable panel, and the plurality of cams formed on the link, and in the vehicle front-rear direction with respect to the movable panel A slider that moves the movable panel up and down by moving, a guide rail that is fixed to the left and right roofs of the opening, and that slidably supports the slider back and forth, and for moving the slider back and forth In a sunroof device provided with a drive mechanism,
The cam includes a first cam and a second cam disposed below the first cam, and a movable link including a first support portion rotatably supported by the slider and guided by the first cam. And a second support portion guided by the second cam.

  According to a second technical means taken in the present invention, the cam further includes a third cam, and a third support portion that engages with the third cam is provided on the movable link, and the movable panel is operated up and down. The rotational posture of the movable link is reliably controlled according to the above.

  According to the first aspect of the present invention, the movable link can be freely rotated by the slider and can be made variable by lowering the movable link so that the height of the movable link is lowered during the slide operation. Can be larger.

  According to the second aspect of the invention, the attitude of the movable link that can be freely rotated can be reliably controlled in accordance with the position of the slider, thereby improving the operation reliability.

  Hereinafter, the form of the Example of the sunroof apparatus 10 regarding this invention is described according to FIGS.

  FIG. 1 is a plan view showing a roof 11 of a vehicle and a sunroof device 10 mounted on the roof 11. Since the sunroof device 10 has a symmetric configuration with respect to the center in the width direction of the vehicle, the configuration and operation thereof will be described below using the right side.

  The sunroof device 10 has a movable panel 22 that is mounted on the occupant's head. Then, after the tilt opening / closing operation in which the movable panel 22 is tilted with respect to the opening 12 formed in the roof 11 and the rear end thereof is opened and closed, and the movable panel 22 is once lowered from the surface of the roof 11 (tilt down), The slide opening / closing operation for opening / closing the opening 12 by moving it back and forth is possible. A pair of guide rails 70 that extend in the front-rear direction of the vehicle and support the movable panel 22 are fixed to the indoor side of the roof 11 on the left and right sides of the opening 12.

  As further shown in FIG. 1, the connection guide 61 is movably attached to the guide rail 70, and the cable 81 is connected to the connection guide 61. The cable 81 is guided to the center of the vehicle at the front portion of the roof 11 and engages with a drive mechanism 80 fixed to the lower side of the roof 11. The cable 81 moves the connection guide 61 back and forth by the operation of the drive mechanism 80. It can be moved. Such a drive mechanism 80 generally uses an electric motor, but may be a manual mechanism.

  5 and 7 show the cross-sectional shape of the guide rail 70 in the vehicle width direction. The guide rail 70 has a horizontal board portion 71 having a constant width dimension. The first rail portion 72 is on the inner side (see FIG. 5) in the vehicle width direction, and the second rail portion 74 is on the outer side. It is formed on the horizontal board | substrate part 71 as a substantially U shape open | released. Further, a cable guide portion 73 is formed at a position opposite to the first rail portion 72 at the inner end portion of the second rail portion 74.

  As shown in FIGS. 8 and 9, the connection guide 61 is disposed so as to extend across the width direction of both U-shaped cross sections of the first rail portion 72 and the second rail portion 74. The connection guide 61 includes a slider portion 62 that is slidably engaged with the first rail portion 72, and a connection portion 61 a that extends into the second rail portion 74. The connecting portion 61 a has a plurality of teeth (not shown) formed at the end thereof and reaches the cable guide portion 73. A cable 81 is accommodated in the cable guide 73 so as to be movable in the front-rear direction. The teeth of the connecting portion 61a are inserted into holes formed in the cable 81 and connected to each other. The connection guide 61 is configured to be movable back and forth with respect to the guide rail 70 by the movement of the cable 81.

  As shown in FIG. 9, a flange 65 standing upward is formed at the center of the width of the connecting guide 61, and a cam pin 66 (second support part) standing up in the width direction of the vehicle is further formed on the flange 65. Is formed. The cam pin 66 engages with a third cam 33 formed on the frame link 24 described later.

  Next, as shown in FIGS. 2 to 6, a frame bracket 23 is fixedly attached to the lower surface of the movable panel 22 by adhesion or the like across the front and rear. The frame bracket 23 is provided with a pair of flange portions 23a extending downwards in the front-rear direction. A frame link 24 is attached with screws 25 so as to connect the pair of flange portions 23a to the front and rear. The frame link 24 includes a mandrel part 24a and a resin part 24b integrally formed so as to partially cover the mandrel part 24a. Slide engaging portions 35, 36, and 37 are formed at the front end, the middle portion, and the rear end portion of the frame link 24 so that a part of the resin portion 24b protrudes in the vehicle width direction.

  As shown in FIGS. 2 to 4, 5, and 6, a resin guide block 75 is fixedly attached to the front end portion of the first rail portion 72. And the slide latching | locking part 35 of the front end of the frame link 24 is supported so that rotation is possible and sliding back and forth. Further, the guide block 75 is formed with a groove 75a that extends upward and can be engaged with the slide locking portion 36. When the movable panel 22 shown in FIG. 1 closes the opening 12 and when the tilt up operation shown in FIG. 2 is performed, the forward and backward movement of the slide locking portion 36 is restricted by the groove 75a. It is configured to allow pinching and upward movement along the groove 75a.

  As shown in FIGS. 2 to 4 and FIGS. 8 and 9, the frame link 24 located between the fixed positions of the pair of flange portions 23 a has a first cam 31 and a lower side of the first cam 31. A second cam and a third cam 33 that is slightly changed in shape at substantially the same height as the second cam are formed. Each of the cams 31, 32, and 33 extends along the frame link 24 in a slanting manner so that the rear part is raised upward from the front part. The first cam 31 penetrates the frame link 24, and the second cam 32 and the third cam 33 are formed opposite to the left and right surfaces of the frame link 24.

  As shown in FIGS. 1, 2, and 3, a movable link 50 is rotatably attached to a slider portion 62 that is slidably engaged with the first rail portion 72 by a hinge shaft 53. As shown in FIG. 8, the movable link 50 includes two support plates 52 arranged so as to sandwich the frame link 24 in the vehicle width direction, and the two support plates 52 are pins that penetrate the first cam 31. They are connected to each other by 51 (first support portion). As shown in FIG. 9, a protrusion 55 (third support portion) that fits into the third cam 33 is formed on one side of the support plate 52. Further, a shoe portion 54 that is slidably guided by the first rail portion 72 is attached to the support plate 52 at a position rearward of the hinge shaft 53, and the pin 51 is at the time of full closing and tilting up shown in FIGS. The movable link 50 is maintained in a standing posture so as to be at the top.

  By pulling the cable 81 forward by the operation of the driving mechanism 80 from the position where the movable panel 22 shown in FIG. 2 is closed, both the movable link 50 and the connection guide 61 move forward. At this time, the frame link 24 (link) is moved up and down by the pin 51 of the movable link 50 engaged with the first cam 31 and the cam pin 66 formed on the flange portion 65 of the connection guide 61 engaged with the second cam 32. It supports so that it may pinch. In addition, since both the first cam 31 and the second cam 32 have a shape that extends downward toward the front, the pin 51 and the cam pin 66 act to lift the movable panel 22 by moving forward. As a result, the movable panel 22 is configured to rotate counterclockwise around the slide locking portion 35 and tilt up as shown in FIG. As shown in FIGS. 2 and 9, the protrusion 55 and the cam pin 66 are disposed at positions overlapping in a side view as shown in FIG. 2, and the second cam 32 and the third cam 33 are also substantially overlapped. ing.

  On the other hand, when the movable panel 22 is closed as shown in FIG. 2, the cam pin 66 of the second cam 32 is engaged with the inclination of the rear portion from the position where the pin 51 of the first cam 31 is engaged. The rear part is more inclined in the upward direction. Further, the rear portion of the third cam 33 with which the protrusion 55 engages has a shape that is inclined more greatly than the second cam 32. By engaging the rear portions of the cams 31, 32, 33, the pins 51, 66, and the protrusions 55, the shoe portion 54 of the movable link 50 passes through the notch 77 formed in the guide rail 70 and moves upward. The movement in the direction can be extracted from the first rail portion 72 without being restricted. The movable link 50 is configured to rotate counterclockwise. Due to this counterclockwise rotation of the movable link 50, the standing state shown in FIG. 2 and FIG. 3 is brought into a fallen state as shown in FIG. In this fallen state, the vertical dimension of the movable link 50 is greatly reduced, and the movable panel 22 is configured to rotate clockwise around the slide locking portion 35. With the clockwise rotation of the movable panel 22, the rear end portion is lowered from the surface of the roof 11, that is, so-called tilt down as shown in FIG. In addition, by the engagement of the third cam 33 and the protrusion 55, the movable link 50 can be surely shifted from the standing state to the falling state in the course of the tilt-down operation.

  A rain gutter 29 is attached to the rear end of the frame link 24 so as to be rotatable by a rotary shaft 29a (FIG. 2). A guide 29 b is attached to the lower end of the rain gutter 29 and guided to the guide rail 70. The rain gutter 29 is located below the rear end of the movable panel 22 and extends in the vehicle width direction so as to prevent entry into the passenger compartment when rain enters from the contact portion with the roof 11. ing.

  Next, the operation of the sunroof device 10 configured as described above will be described.

  When the occupant operates the operation switch (not shown) so that the movable panel 22 is tilted up from the state in which the movable panel 22 shown in FIG. 2 is closed, the movable link 50 and the connection guide 61 move forward. The movable panel 22 that is prevented from moving forward by the engagement between the groove 75a and the slide engagement portion 36 is tilted up at that position. And it becomes possible to maintain the tilt-up state. The tilt-down operation is the reverse process.

  Next, when the occupant operates the operation switch so that the movable panel 22 is slid to open the opening 12 from the state in which the movable panel 22 shown in FIG. 2 is closed, the movable link 50 and the connection guide 61 are moved backward. Moving. When the movable panel 22 is tilted down as shown in FIG. 4, the slide locking portion 36 can move rearward through the horizontal groove 75b formed behind the groove 75a. If the connection guide 61 continues to move rearward in this state, the movable panel 22 moves rearward by the cam pin 66 that contacts the rear end of the second cam 32. And it accommodates in the lower side of the roof 11, and the opening part 12 is open | released.

It is a top view of the sunroof device concerning the present invention. FIG. 2 is a cross-sectional view taken along the line AA in FIG. FIG. 2 is a cross-sectional view taken along the line AA in FIG.

is there.
FIG. 2 is a cross-sectional view taken along the line AA in FIG. It is sectional drawing in the BB part in FIG. It is sectional drawing in CC part in FIG. It is sectional drawing in the DD part in FIG. It is sectional drawing in the EE part in FIG. It is sectional drawing in the FF part in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Sunroof apparatus 11 Roof 12 Opening part 22 Movable panel 24 Link (frame link)
31 1st cam 32 2nd cam 33 3rd cam 50 Movable link 51 1st support part (pin)
55 Third support (protrusion)
61 Slider (connection guide)
66 Second support (cam pin)

Claims (2)

A movable panel that can be opened and closed by sliding in the front-rear direction with respect to the opening provided in the roof of the vehicle, and that can tilt and open the rear part of the opening by tilting;
A link fixed to the movable panel;
A slider that engages with a plurality of cams formed on the link and moves the movable panel up and down by moving in the vehicle front-rear direction with respect to the movable panel;
Guide rails fixed to the left and right roofs of the opening, and supporting the slider slidably back and forth,
In a sunroof device comprising a drive mechanism for moving the slider back and forth,
The cam includes a first cam and a second cam disposed below the first cam, and a movable link including a first support portion rotatably supported by the slider and guided by the first cam. And a second roof support portion guided by the second cam. The cam further includes a third cam, and a third support portion that engages with the third cam is provided on the movable link, so that the rotational posture of the movable link is reliably controlled according to the vertical movement of the movable panel. 2. The sunroof device according to claim 1, wherein the sunroof device is configured as described above.

Images