JPH03227721A - Sunroof installation - Google Patents

Abstract

PURPOSE:To secure powerful tilt opening/closing force as well as to enhance high speed responsiveness by providing a lifting link for the rear end side of an opening, and also providing a timing arm which actuates the lifting link while being interlocked with a slider only when a panel is opened and/or closed while being tilted. CONSTITUTION:With a slider 27 moved back and forth, which is supported by a guide rail 25 while being guided, a panel 23 blocking the opening 22 of a vehicle roof is opened and/or closed while being tilted around a pivot shaft 37 between a fully closed position X and a tilt-up position Y. In addition, the panel 23 is moved back and forth with the tilt-up position kept between the tilt-up position and a fully opened position. In this case, a lifting link 30 lifting the panel 23 is provided at the rear end side of the opening 22, and the link 30 is operated while being interlocked with the slider 27 via a timing arm 29 only when the panel 23 is opened and/or closed while being tilted. In addition, the slider 27 is provided with a support pin 44 which supports the panel 23 between the tilt-up position and the fully opened position so that it is engaged with the inside of the cam groove 39 of a lifter 26.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a sunroof device for a vehicle such as an automobile.

(Prior Art) The present invention relates to a sunroof device for a vehicle, such as a passenger car.

(Prior Art) A conventional sunroof device is shown in FIG. 19, in which an opening 2 formed in the roof l of a vehicle such as a passenger car is opened and closed by a panel 3. That is, in FIG. 19, 4 is a guide rail arranged on both sides of the opening 2, and has a notch 5. Numeral 6 is a lid attached to both sides of the lower surface of the panel 3, and the front end of the lid is pivotally connected to a shoe 7 in the guide rail 4. The lifter 6 also has a cam groove 8 and an engaging protrusion 9. A slider 10 is slidable along the guide rail 4 and has a pin 1) inserted into the cam groove 8 of the lifter 6.

A timing arm 12 is connected to the shoe 7 and has a retaining portion 13 that engages with the notch 5 of the guide rail 4. Further, a cam groove 14 is formed in this timing arm 12, and a pin 15 that engages with this cam groove 14 is provided on the slider 10. A closing arm 16 is supported and guided by the guide rail 4 via a guide portion 17. This closing arm 16 has an engaging part 17a that engages with the engaging protrusion 9 of the lifter 6, and an engaging part 19 that engages with the engaging protrusion I8 of the slider 10, and has a spring 2.
At 0, it is biased backwards.

In this sunroof device, when the panel 3 is tilted up as shown in FIG. 20 from the fully closed state of FIG. 19, the slider 10 is moved rearward by a drive cable. Then, the pin 1) slides along the cam groove 8, so
The panel 3 rises around the shoe 7 and tilts up as shown in FIG. At this time, since the pin 15 slides within the cam groove 14 of the timing arm 12 to the rear end, the engaging portion 1
3 comes off from the notch 5 of the guide rail 4. Next, when the slider IO is moved rearward, the shoe 7 is moved rearward via the pin 15 and the timing arm 12, so the panel 3 remains in the tilted up position and moves to the 21st position.
Move rearward to the fully open position as shown in the figure.

(Problems to be Solved by the Invention) This type of conventional sunroof device has the following problems.

First, since the elevating mechanism composed of the slider 10 and the cam groove 8 is located at the front of the panel 3, the tilt opening/closing force is weak. As a result, the tilt opening/closing becomes impossible due to the resistance caused by the friction between the weather strip on the peripheral edge of the panel 3 and the wall surface of the roof l, and the negative pressure generated during high-speed driving, and even when the panel is fully closed, the negative pressure causes the panel to The rear end of 3 floats up.

Therefore, high-speed cars require high-torque motors and high-strength parts, which results in larger parts, resulting in dimensional loss, higher prices, and the use of high-torque motors. There is a problem that the friction of the sliding parts increases and the durability of the sliding parts deteriorates.

In this case, considering only the tilt opening/closing force, it is preferable that the opening/closing mechanisms such as the slider 10 and the cam groove 8 be located as close to the rear end of the panel 3 as possible.

However, the closer this is to the rear, the stronger the tilt opening/closing force becomes, but at the same time the opening IA becomes shorter when the panel 3 is fully opened, and in order to ensure a constant tilt amount, the head B of the cam groove 8 must be increased. This will affect the overall thickness.

Second, the effectiveness of the closing arm 16 is limited to a speed of about 180 km/h. That is, in order to increase the tilt opening/closing force and to prevent the rear end of the panel from lifting when fully closed due to negative pressure, most spoiler type sunroof devices are provided with a hook-type closing arm 16. ing.

However, in order to suppress the thickness, the hook C cannot be designed with sufficient design force, so the force F acting upward
If is too large, a phenomenon occurs in which the closing arm 16 is not caught.

Thirdly, since the panel 3 is supported by the pin 1) of the slider 10 both during tilting and when moving back and forth, the supporting position is the same. In a sliding sunroof device, the greatest force is required when the sunroof is tilted open and closed, and just before it is fully closed when the sunroof is tilted down.

However, when moving back and forth, it is sufficient that the support point of the panel 3 is located at a position where there is enough force to move the panel 3 back and forth, and where the panel 3 does not move much up and down.

Therefore, if only consideration is given to the movement back and forth, the support point of the panel 3 may be located further forward. If the support point moves forward, the rear end of the cam a8 moves forward, so the opening amount can be increased by that dimension, and if the tilt amount remains the same, the head B of the cam groove 8 can be made smaller, so the overall thickness can be made thinner.

However, in order to secure the necessary force when opening and closing the tilt,
It is difficult to move the support point of the panel 3 to the front, and from the viewpoint of aperture efficiency and thickness, there are various problems if the support point of the panel 3 is the same when tilting or moving forward and backward. .

In view of these conventional problems, an object of the present invention is to provide a sunroof device that can increase the tilt opening/closing force, has excellent high-speed response, and can further improve the opening efficiency and reduce the overall thickness. That is.

(Means for Solving the Problems) The present invention provides a panel 23 that closes an opening 22 by moving a slider 27 supported and guided by a guide rail 25 back and forth.
is the pivot shaft 3 between the fully closed position X and the tilt up position W, Y.
In a sunroof device that tilts open and close around 7 and moves back and forth between a tilt-up position Y and a fully open position 2 while maintaining the tilt-up state, the panel 23 is raised and lowered to the rear end side of the opening 22. A timing arm 2 that is provided with a lift link 30 and operates the lift link 30 in conjunction with a slider 27 only when the panel 23 is tilted and opened/closed.
9, and the slider 27 is provided with a support portion 44 that supports the panel 23 between the tilt-up position Y and the fully open position Z.

(Function) Move the panel 23 from the fully closed position X to the fully open position Z,
When opening the opening 22, the slider 27 is moved rearward along the guide rail 25.

Then, the lift link 30 operates in conjunction with the slider 27 via the timing arm 29, so the lift link 30 pushes up the rear end side of the panel 23, and the panel 23 moves around the pivot shaft 37 to the tilt-up position Y. Tilt up. Then, when the panel 23 rises to the tilt-up position IY, the support portion 44 of the slider 27 supports the panel 23 in the tilt-up position. Therefore, the panel 23 moves backward in that state.

To close it, just move the slider 27 forward.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings. Note that although the embodiments are exemplified with respect to a spoiler type sunroof device, the present invention is not limited thereto.

In FIG. 1 showing the first embodiment, 21 is the roof of a passenger car, 22 is an opening formed in the roof 21, and 23 is a panel for opening and closing the opening 22. It has a laser strip 24. This panel 2
3 is supported by a frame 31 which also serves as a gutter via a pair of left and right guide rails 25, a lifter 26, a slider 27, front and rear timing arms 28° 29, a lifting link 30, etc., and is in the fully closed position X in FIG. It is configured to tilt open and close up and down between the tilt position Y in FIG. 10 and to move back and forth between the tilt position iY in FIG. 10 and the fully open position Z in FIG. 1).

As shown in FIG. 4, FIG. 6, and FIG.
It is provided on the top in the front-back direction. As shown in FIGS. 7 and 8, this guide rail 25 is provided with a pair of left and right U-shaped guide portions 32.33 arranged oppositely, and on both left and right sides of this guide portion 32.33. It has a cable guide part 34 and an arm guide part 35.

As shown in FIG. 7, the lifter 26 is attached to both sides of the lower surface of the panel 23 via brackets 36 in the front-rear direction. As shown in FIGS. 2 and 3, this lifter 26 has a pivot shaft 37 penetrating left and right at the front end, a pin 38 at the upper part near the rear of the shaft, and a cam extending downward from the front and rear. Grooves 39 are provided, and a U-shaped guide portion 40 that opens inward is provided over substantially the entire length in the front-rear direction.

The pivot shaft 37 serves as a fulcrum when the panel 23 is tilted open and closed, and both left and right ends of the pivot shaft 37 are connected to guide rails via rollers 38a and 39a, as shown in FIGS. 2 and 4. It is fitted into a pair of guide parts 32 and 33 of 25 so as to be movable in the front and rear direction.

As shown in FIGS. 2 to 4 and 7, the slider 27 is provided with guide shafts 40 and 41 at the lower portions of both the front and rear ends, and a cable connecting portion 42 at the intermediate portion thereof.
A cam groove 43 and a support pin 44 are provided at the front and rear of the inner surface, respectively. The guide shaft 40.41 is fitted into the pair of guide parts 32.33 of the guide rail 25 through rollers 45, 46, 47 so as to be movable in the front and rear direction, and the cable connecting part 42 is connected to the cable of the guide rail 25. It is connected to a drive cable 48 within the guide portion 34 .

Therefore, the slider 27 is movable back and forth along the guide rail 25 by the driving force of the drive cable 48. The pin 44 is movably fitted into the cam groove 39 of the lifter 26 via a roller 49, and is fitted into the cam groove 39 of the lifter 26 via a roller 49.
When the pin 44 moves rearward and reaches the rear end of the cam groove 39, the panel 23 is held at the tilt-up position Y, as shown in FIG.

The front timing arm 28 is arranged in the front-rear direction between the lifter 26 and the slider 27, as shown in FIGS. 2 to 4. The front timing arm 28 is provided with an elongated hole 50 in the longitudinal direction at its front end, and a raised cam groove 51, an engaging portion 52, and a pin 53 at its rear portion.

A pivot shaft 37 is slidably inserted into the elongated hole 50, and a pin 38 of the cover 26 is slidably fitted into the cam groove 51. , weather strip 2 on the front edge of the panel 23
4 is not strongly pressed against the vertical wall surface of the roof 21 L7.

The retaining portion 52 is connected to the notch 54 of the guide rail 25 at the front end position.
This is for restricting rearward movement of the front timing arm 28 by engaging and disengaging G3.

The pin 53 can slide freely into the groove 43 due to the force of the slider 27.
When the panel 23 is in the tilt-up position iY, the groove 4 is inserted as the slider 27 moves back and forth.
3, the engaging portion 52 of the front timing arm 28 is engaged with and disengaged from the notch portion 54.

The elevating link 30 is disposed on the rear end side of the opening 22 as shown in FIGS. It is pivotally supported via a fixed shaft 56 so as to be vertically swingable. 30
is provided with a pin 57 at its tip and a tilt cam groove 58 near the fixed shaft 56. The pin 57 is provided with a roller 5.
It is fitted into the guide portion 40 of the lifter 26 via the guide portion 9 so as to be movable back and forth. The tilt cam groove 58 is for vertically swinging the elevating link 30 around the fixed shaft 56 when the panel 23 is tilted open/closed, and the base side of the tilt cam groove 58 is formed to be open rearward.

The rear timing arm 29 is used to swing the elevating link 30 in conjunction with the back and forth movement of the slider 27, and as shown in FIGS.
The arm guide portion 35 is slidably inserted in the front-rear direction. The rear timing arm 29 is provided with an engaging portion 60 at the front end and a pin 61 at the rear end, and
A cam groove 62 in the front-rear direction is formed between the two.

The retaining portion 60 can be engaged with and detached from the notch 63 of the guide rail 25, and the pin 61 is slidably fitted into the tilt cam groove 58 so that the elevating link 30 can be swung by the back and forth movement of the rear timing arm 29. It is rare. The guide shaft 41 of the slider 27 is slidably inserted into the cam groove 62, and the front end of the cam groove 62 is such that the engagement portion 60 engages with the notch 63 of the guide rail 25 as the guide shaft 41 moves back and forth. It is bent downward to engage and disengage.

Next, the operation will be explained with reference to the operation explanatory diagrams of FIGS. 9 to 1). Note that in FIGS. 9 to 1), the rear timing arm 29 is shown shifted downward for clarity.

In Figure 9, panel 23 shows all cabinet members 1. At this time, the slider 27 is at the front end position, and the pin 53 of the front timing arm 28 is located at the rear end of the cam groove 43.
is engaged. Further, since the guide shaft 41 is engaged with the front end of the cam groove 62 of the rear timing arm 29, the engagement portion 60 of the rear timing arm 29 is disengaged from the cutout portion 63 of the guide rail 25 forward.

Therefore, when the slider 27 is driven backward by the drive cable 48 and the slider 27 is moved backward along the guide rail 25, the guide shaft 41 moves toward the panel 23.
The weather strip 24 at the front end of the roof 21 does not come into strong pressure contact with the wall surface of the roof 21, thereby preventing damage thereto.

When the panel 23 rises to the tilt-up position Y, the pin 44 of the slider 27 is located on the rear end side of the cam groove 39 of the lifter 26, and the pin 44 and the pivot shaft 37 move the panel 23 through the lifter 26. Support in tilt-up state. In other words, during tilt-up, the pin 61 of the rear timing arm 29 slides within the tilt cam groove 58, and pushes up while supporting the rear end of the panel 23 by the elevating link 30. When it rises to position Y, the pin 61 comes out of the tilt cam groove 58 and is no longer supported by the lift link 30, so the pin 44 of the slider 27 replaces the lift link 30 and
support.

On the other hand, since the pin 53 of the front timing arm 28 reaches the upwardly bent portion of the front end of the cam groove 43 of the slider 27, the front timing arm 28 rises and its retaining portion 52 comes off from the cutout portion 54 of the guide rail 25. Also slider 2
The guide shaft 41 of 7 is connected to the cam groove 6 of the rear timing arm 29.
2, the rear timing arm 29 is lowered and its retaining portion 60 engages with the notch 63 of the guide rail 25. This restricts rearward movement of the rear timing arm 29, and even if the slider 27 moves rearward, the guide shaft 41 only moves within the cam groove 62, and the rear timing arm 29 does not move.

Then, the panel 23 is tilted up to the Y position.

When the slider 27 is further moved rearward after being raised, the front timing arm 28 is moved rearward together with the slider 27. At this time, the panel 23 is moved rearward via the pin 38 that engages with the cam groove 51 of the front timing arm 28. Therefore, the panel 23 can be moved to the fully open position Z in Fig. 1) while being held in the tilted-up state by the pivot shaft 37 and the pin 44 of the slider 27.

In this way, the pin 44 of the slider 27 only needs to support the panel 23 in a tilted-up state, so the cam groove 39 of the lifter 26 and the pin 44 of the slider 27
The fourth grade can be moved forward, and the drop of the cam groove 39 can also be made smaller. Therefore, the opening efficiency is improved accordingly, and the entire sunroof device can be made thinner.

12 and 13 show a second embodiment, in which a pin 70 is provided in the timing arm 29 in addition to the pin 61, and a cam on which the pin 70 slides is provided in addition to the tilt cam groove 58 in the elevating link 30. A groove 72 is provided, and the pin 70 supports the elevating link 30 when the front of the panel 23 is closed and when the tilt starts, and the pin 61 performs other elevating operations. That is, the weather strip 24 is connected to the roof 21.
When the lifting resistance is large due to contact with the vertical wall of the
Since the distance between the pin 9 and the pin 70 is large, the operation during lifting and lowering becomes smooth.

In the third embodiment shown in FIGS. 14 to 18, the overall configuration and operation are the same as in the first embodiment, but the shape of the cam groove 39° and the pin 44, and the structure of the tip of the elevating link 30. are different.

In FIGS. 14 and 15, the pin 44 is formed into an oval cross-section with flat upper and lower surfaces, no roller is fitted, and the cam groove 39 is in the position where the panel 23 is tilted up. The rear groove portion 39b that engages with the pin 44 at the IY and fully open positions Z is
The groove is a narrow groove that is substantially in contact with the upper and lower flat surfaces of the pin 44, so that when supporting the panel 23, the flat surface of the pin 44 makes surface contact to receive a large load and prevent abnormal local wear due to line contact. It has become.

The front side of the rear groove portion 39b of the cam groove 39'' is made thicker than the cam groove 39 of the first embodiment (indicated by the two-dot chain line in FIG. 15), and has a shape that avoids contact when the pin 44 moves. The structure is such that when the pin 61 moves within the elevating cam groove 58 and raises and lowers the panel 23 around the pivot shaft 37, the pin 44 does not come into sliding contact with the cam groove 39°.

The width of the pin 44 and the rear groove 39b is smaller than the longitudinal length T of the pin 44, and the groove width Z on the front side of the rear groove 39b is larger than the length T.

That is, from the pivot shaft 37 to the cam groove 39' and the elevating cam groove 58
Due to component intersections and allowable gaps, it is extremely difficult for the pins 44 and 61 to move while simultaneously sliding in contact with the guide when the panel is raised and lowered, which may cause the pins to become twisted or cause abnormal wear. Yes, pin 44 and cam groove 39
By creating a gap between the front part of the `` and the front part of the ``

14. In Figs. 14.16 to 18, the elevating link 30 is divided into two parts: a link part 30a that is pivotally supported by the fixed shaft 56 and has an elevating cam groove 58 formed therein, and a tip part 30b that has a pin 57. The distance to the pin 57 can be adjusted steplessly.

A recess 81 is formed on the side surface of the distal end side of the link portion 30a, and the distal end portion 30b is arranged in this recess 81 so as to be able to adjust its position in the longitudinal direction. The tip portion 30b has a long 2 in the oblong direction.
Two elongated holes 82 and 83 are formed, a screw 84 passes through the front elongated hole 82, and this screw 84 is screwed into the link part 30a, and the rear elongated hole 83 has an axis of an eccentric cam 85. Part 8
5a is inserted, and this shaft portion 85a is pivotally supported by the link portion 30a.

The eccentric cam 85 has a disc part 85b which is offset from the shaft part 85a, and a rotary tool engagement groove 85c is formed in this disc part 85b. It is in contact with a pair of protrusions 86 provided at the front and rear.

When the eccentric cam 85 is rotated around the shaft portion 85a with a rotating tool, the eccentric cam 85 rotates between the pair of protrusions 86, so that the tip portion 30b is positioned by a distance twice the amount of eccentricity. fI is adjusted.

In this way, adjusting the length of the elevating link 30 means adjusting the distance from the pivot shaft 37 to the elevating cam groove 58, absorbing component tolerances between the two, and adjusting the cam relative to the pin 44. By adjusting the position of the groove 39', the pin 44 can be smoothly moved in and out of the rear groove portion 39b.

(Effects of the Invention) According to the present invention, the panel 23 is provided on the rear end side of the opening 22.
A lift link 30 is provided to raise and lower the
0 is provided, and the slider 27 is provided with a support portion 44 that supports the panel 23 between the tilt-up position Y and the fully open position 2, so the tilt opening/closing force can be increased compared to the conventional one. In addition, it has excellent high-speed compatibility, and furthermore, it is possible to improve the aperture efficiency, reduce the overall thickness, etc., and the practical benefits are extremely large.

[Brief explanation of drawings]

1 to 1) illustrate a first embodiment of the present invention, in which FIG. 1 is a cross-sectional view showing the whole, FIG. 2 is an exploded perspective view of main parts, and FIG. Enlarged view of the front side of Figure 1, No. 4
The figure is a cross-sectional plan view, Figure 5 is an enlarged view of the rear side of Figure 3, Figure 6 is a cross-sectional plane view, Figure 7 is a rear cross-sectional view of the main part, and Figure 8 is a cross-section of the guide rail part. Figures 9 to 1
) is an operation explanatory diagram. Fig. 12 is a side view of the elevating link part when fully closed, showing the second embodiment, Fig. 13 is a side view when the same is tilted up, and Figs. 14 to 18 show the third embodiment. Fig. 14 is a sectional view showing the whole, Fig. 15 is an enlarged side view of the α part in Fig. 14, and Figs.
FIG. 18 is an enlarged side view and an exploded perspective view of the part shown in FIG. 16, FIG. 18 is a sectional view taken along the line E--E in FIG. 21... Roof, 22... Opening, 23... Panel, 25... Guide rail, 26... Lifter, 2
7...Slider, 28...Front timing arm,
29... Rear timing arm, 30... Lifting link, 37... Pivot shaft, X... Fully closed position, V... Tilt up position, Z... Fully open position.

Claims (1)

[Claims] (1) By moving the slider (27) supported and guided by the guide rail (25) back and forth, the panel (23) that closes the opening (22) moves between the fully closed position (X) and the tilt-up position (Y).
) in a sunroof device that tilts open and close around a pivot shaft (37) and moves back and forth between a tilt-up position (Y) and a fully open position (Z) while maintaining the tilt-up position. A panel (
A timing arm (29) is provided to operate the lift link (30) in conjunction with the slider (27) only when the panel (23) is tilted and opened/closed. the panel (23) between the tilt-up position (Y) and the fully open position (Z).
A sunroof device comprising a support portion (44) that supports the sunroof device.