JP2965991B2 - Vehicle sunroof device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a sunroof device for a vehicle, and is used for a sunroof device for a vehicle provided with a drip rail accompanying the movement of a sliding roof.

(Prior Art) In a sunroof device, water remaining on a roof may enter through an opening due to sudden braking or the like, and a drip rail is disposed to drain the water and waterproof the room. .

That is, Japanese Patent Publication No. 55-15325, Japanese Utility Model Publication No. Sho 61-27724.
As disclosed in Japanese Unexamined Patent Publication (Kokai) No. H10-209, a sliding roof that allows an opening formed in a fixed roof of a vehicle to be opened and closed, and a pair of a pair fixed to the left and right below the opening and arranged in the front-rear direction. A guide rail, a slider provided on each of the guide rails so as to be movable back and forth, and having a lifting link for tilting the slide roof at an opening and moving the slide roof in a tilt-down state; and a rear edge of the slide roof. And a drip rail that is disposed below the fitting part of the opening and the opening and that moves with the sliding roof in the tilted-down state, and that stores the sliding roof and the drip rail that have been moved accordingly. In a sunroof device for a vehicle provided with a bottom-shaped accommodation portion on the lower surface side of a fixed roof, a slide roof and a drip rail are attached. And a drip rail, technology linked is proposed link.

(Problems to be Solved by the Invention) By the way, in the above-mentioned conventional sunroof apparatus, the accommodating portion for accommodating the sliding roof and the drip rail at the rear position is provided in a bag-like shape below the fixed roof. Must be formed.

In order to secure a sufficient overhead space in the vehicle and improve the livability, it is required that the total thickness of the storage section is as thin as possible. Overlaps in the direction and can only descend to a position where it interferes with the rising front of the lip rail, and this rising front becomes an obstacle and reduces the total thickness of the storage section. It is a constraint of that. The present invention makes it possible to change the drip rail from a substantially horizontal posture to a rear downward inclined posture, and to receive rainwater even when the front part is lower than the rising of the rear part, so that the slide roof can be tilted. A sunroof device for a vehicle that, when descending, takes a substantially horizontal posture to remove obstacles to descent due to the front part, enables tilting down of the sliding roof, and allows the total thickness of the storage section to be reduced. The purpose is to provide.

(Means for Solving the Problems) The present invention provides a sliding roof 2 that opens and closes an opening 3 of a vehicle roof 1, a pair of left and right guide rails 4 that guide a front portion of the sliding roof 2 to be able to move back and forth. A slider 11 provided on each of the left and right guide rails 4 so as to be movable back and forth;
An elevating means for tilting the rear part of the sliding roof 2 up and down from the closed state of the opening by the front and rear movement of the sliding roof 11 and moving backward in the tilted down state, and provided between the sliding roof 2 and the left and right guide rails 4; The link 20 moves up and down in conjunction with the tilting operation of the sliding roof 2 and the rear part moves back and forth by being guided by the left and right guide rails 4. The rising part 28 and the rear rising part
And a drip rail 26 having a front lower than 28. When the slide roof 2 is in a tilted down state, the gutter bottom 27 of the drip rail 26 has a substantially horizontal posture in the front-rear direction and has a slide roof at the front thereof. The left and right ends of the drip rail 26 are attached to the left and right links 20 such that the rear portions of the drip rails 26 are in contact with each other.

(Operation) According to the present invention, the opening 3 formed in the fixed roof 1 of the vehicle is completely closed by the sliding roof 2 (FIG. 2, FIG. 6).
In the figure, a drip rail 26 is disposed below a fitting portion between the rear edge of the slide roof 2 and the opening 3 to receive rainwater and the like.

At this time, the gutter bottom 27 of the drip rail 26 is inclined backward and downward to prevent the received rainwater and the like from flowing forward,
It guides in the left and right directions in cooperation with the riser 28.

When the slider 11 is advanced in the arrow direction S from the fully closed state, the slide roof 2 is tilted up via the elevating link 20, and when the slider 11 is moved backward in the arrow direction X of FIG.
The sliding roof 2 is tilted down via the lifting link 20.

At the time of this tilt operation, the pair of left and right lifting links 20 are connected to each other by the drip rail 26, so that the left and right lifting links 20 are synchronized and synchronized.
Are simultaneously tilted by the same amount.

When the sliding roof 2 is tilted down, the gutter bottom 27 of the drip rail 26 is in a substantially horizontal posture, and therefore, the slider 11 is moved in the arrow direction X to accompany the sliding roof 2 and the drip rail 26 together. 43.

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

In FIG. 9 schematically showing the whole in plan view, an opening 3 which can be opened and closed by a sliding roof 2 is formed at the front of a fixed roof 1 of a passenger vehicle.

Sliding roof 2 is tilted down position A below opening 3
5 (see FIG. 5) and the fully open position B behind it can be moved back and forth along the guide rail 4 and
The rear side is supported so as to be able to move up and down from a fully closed position C shown in the figure to a tilt-up position D shown in FIG. 4 and a tilt-down position A shown in FIG.

As shown in FIG. 1 and the like, the guide rail 4 is disposed in the front and rear direction in a gutter portion of a mounting frame 5 mounted on the lower side surface of the fixed roof 1 so as to surround the opening portion 3. It is fixed below and is arranged in a pair in the front-rear direction.

As shown in FIGS. 1 and 3, the guide rail 4 has inner and outer guide grooves 6 and 7 facing each other, and has a guide groove 8 for guiding the drive cable 9 outside the outer guide groove 7. The cable 9 is pulled and pulled in the longitudinal direction by a driving device 10 shown in FIG.

A slider 11 is mounted on the inner and outer guide grooves 6, 7 of the pair of left and right guide rails 4 so as to be movable in the longitudinal direction of the rail. Rollers 12, 13 are provided on the outer side of the slider 11, and rollers 12 and 13 are provided on the outer side. A roller 14 is provided. The rollers 12 and 13 are rotatably fitted in the outer guide groove 7, and the roller 14 is rotatably fitted in the inner guide groove 6. The drive cable 9 is linked to the slider 11 via a mounting piece 15. By doing so, the slider
Numeral 11 is reciprocally movable (back and forth) in the longitudinal direction of the guide rail 4.

A linear guide groove 16, a first cam groove 17 and a second cam groove 18 are formed in the pair of right and left sliders 11.
An elevating link 20 is provided on the inside of each slider 11 via a support shaft in which a roller 19 is fitted in the inner guide groove 6 so as to be able to move up and down.
Are pivotally connected by pins 22 to lifters 21 mounted on the lower surfaces on both left and right sides of the vehicle.

The linear guide groove 16 is located near the rear end of the slider 11
The roller 19 of the lifting link 20 is guided linearly up and down relative to the longitudinal middle of the link 11.

The first cam groove 17 is formed in a curved shape with a rearward slope from near the front end of the slider 11 to near the center in the front-rear direction, and is opened upward above the slider 11.
A first guide portion 23 provided at an intermediate portion in the longitudinal direction of the lifting link 20
Are detachably engaged.

The second cam groove 18 is formed in a curved shape from the front to the rear upper side of the linear guide groove 16, and a central portion thereof overlaps the linear guide groove 16. The second cam groove 18 has a lifting link
The second guide part 24 provided in 20 is engaged.

The portion of the second cam groove 18 overlapping with the linear guide groove 16 and the front portion are for allowing the second guide portion 24 to escape, and it is the rear arc-shaped portion that acts to raise and lower the lifting link 20. 18A.

In other words, the first cam groove 17 and the second cam groove 18 are two grooves that act to tilt the elevating link 20 from the horizontal state (tilt down) in FIG. 5 to the front up tilt state in FIG. The first cam groove 17 takes charge of the state from the horizontal state to the middle of the inclination, moves the link up and down through the first guide portion 23, and moves the second cam from the middle of the inclination to the upper limit of the inclination. The groove 18 is responsible for moving the link 20 up and down via the second guide portion 24.

The up and down movement of the link 20 causes the slide roof 2 to be tilted upwardly around the support shaft 25A of the slide shoe 25 which is attached to the front end of the lifter 21, and the first cam groove 17 tilts the slide roof 2 The second cam groove 18 acts to operate the sliding roof 2 from the substantially closed position to the tilted position C. The operation end of the first cam groove 17 and the operation start of the second cam groove 18 overlap. Note that the slide shoe 25 slides on the guide rail 4.

The support shaft (roller 19) at the rear lower end of the elevating link 20 serves as a fulcrum for the vertical movement of the link 20, and the relative position between the first and second guide portions 23 and 24 and the first and second cam grooves 17 and 18. It slides in the linear guide groove 17 to enable sliding. When the sliding roof 2 is in the tilted down position, the roller 19 is located at the front end of the linear guide groove 16 and links the slider 11 back and forth with the link 20.
To the slide roof 2 via the.

The pair of left and right lifting links 20 are connected to each other by a drip rail 26.

The drip rail 26 has a substantially L-shaped cross section having a gutter bottom 27 and a rising portion 28. As shown in FIGS. When the slide roof 2 is tilted down as shown in FIG.
The gutter bottom 27 has a substantially horizontal posture in the front-rear direction, and the rear portion of the slide roof 2 comes into contact with the front portion thereof.

The drip rail 26 is inclined downward from the center in the longitudinal direction of the rail toward the left and right, and as shown in FIG. 2, the opening 3 is fully closed by the sliding roof 2 and the gutter bottom 27 is inclined backward and downward. It is attached so that the rising portion 28 faces upward from the inclined edge.

An elastic band 30 is detachably fitted to the front end of the drip rail 26, and the elastic band 30 has a gutter shape having lips 31, 32 over the entire length of the front and rear edges.
2 receives the rebound water E when rainwater dripping through the opening 3 is received at the gutter bottom 27 as shown in FIG. 6, and the lip 31 moves from the fixed roof 1 to the seventh from the fixed roof 1 in the tilted state.
As shown in the figure, catch the rainwater F that flows down
Is spilled to

As shown in FIG. 3, the drip rail 26 has standing portions 33 at both ends in the longitudinal direction, and has drainage portions 34 and 35 for draining rainwater received by the gutter bottom 27 onto the guide rail 4.

The pair of left and right lifters 21 is attached to the lower surface of the slide roof 2 via brackets 36 and 37, and a movement regulating link 38 is provided at a middle part in the longitudinal direction thereof. The link 38 is formed so as to be able to move back and forth freely, and a projection 40 is formed in the middle of the link 38 in the longitudinal direction so as to be engaged and disengaged with an engaged portion 40A formed on the guide rail 4 (FIG. 10). Etc.).

In addition, in FIG. 1, reference numeral 41 denotes a concave portion for engaging and disengaging the projection 21A of the lifter 21, reference numeral 42 in FIG. 2 etc. denotes a weatherstrip, reference numeral 43 denotes a bag-shaped accommodation portion, and
Is formed on the lower surface.

 Next, the operation of the sliding roof 2 will be described.

As shown in FIG. 5, the slide roof 2 in the tilted-down posture A, which has been moved forward via the cable 9, has a slide shoe 25 in contact with a stopper, and the front portion of the weather strip 42 has a roof in front of the opening 3. Abut the front.

At this time, the engaging portion 40 of the movement restricting member 38 is not engaged with the engaged portion 40A of the guide rail 4, and the sliding roof 2
Of the fixed roof 1 behind the opening 3 and can be freely stored in the storage portion 43 formed on the lower surface of the fixed roof 1.

The slider 11 is located substantially behind the slide roof 2, the rear part of the slide roof 2 is located at the same or lower position as the upper end of the slider 11, and the rear lower end of the elevating link 20 is a linear guide groove.
The first guide portion 23 is located at the front lower end of the first cam groove 17 at the front end of the first cam groove 17, and the pair of right and left lifting links 20 is a drip rail.
They are connected to each other at 26 and are located substantially parallel to the guide rail 4.

When the slider 11 is moved forward from this state, the first guide portion 23 slides in the first cam groove 17, so that the lifting link 20
Pivots upward about the rear lower end, lifts the rear part of the sliding roof 2 to the same height as the fixed roof 1, and brings the opening 3 into the closed position C as shown in FIG.

At the time of this tilt operation, since the pair of left and right elevating links 20 are connected to each other by the drip rail 26, the tilting operations of the elevating links 20, that is, the right and left sides of the slide roof 2 are synchronized or synchronized. Is closed, the gutter bottom 27 of the drip rail 26 is located below the opening as a downward slope.

Therefore, rainwater or the like dropped as shown by arrow E in FIG. 6 is received by the drip rail 26, and the drainage parts 34 and 35 shown in FIG.
Through the guide rail 4 and drained out of the vehicle from a drain hose (not shown) or the like.

At this time, as shown in FIG. 6, the lip 32 receives the rebound water.

In addition, in conjunction with the tilt-up operation of the slide roof 2,
The movement restricting link 38 performs a forward ascending operation, and the engaging portion 40 provided in the middle thereof engages with the engaged portion 40A.

When the slider 11 is further moved forward, the sliding roof 2
Performs a further tilt-up operation from the opening closing posture C,
On the way, the first guide portion 23 is separated upward from the first cam groove 17, and before the separation, the second guide portion 24 is separated from the second cam groove 18.
To guide the tilting operation of the sliding roof 2.

Even if the sliding roof 2 adopts the tilt-up posture D at any position above the opening-closed posture C, since the engaging portion 40 of the movement restricting link 38 is engaged with the engaged portion 40A, Even if the resistance of the sliding roof 2 is received, there is no backlash, and the movement restricting link 38 is immovable.

Even at the time of this tilt-up operation, since the pair of left and right elevating links 20 are connected to each other by the drip rail 26,
Synchronize or operate simultaneously.

In the tilt-up position D shown in FIG. 4, the drip rail 26 descends more steeply, and the upper lip
Rainwater and the like flowing down as indicated by arrow F in FIG.

The slider 11 moves from tilt up to tilt down.
Is operated in the reverse direction, and in the tilt-down state, the slide roof 2 and the drip rail 26 are accommodated in the accommodating portion 43 together.

In the above-described embodiment, the tilt operation means of the slide roof 2 is provided with a lifting link associated with the forward / backward movement of the slider 11.
As long as the lifting and lowering operation is performed at 20, the cam mechanism other than the illustrated one may be used. Alternatively, the lifting link 20 may be directly pivoted on the sliding roof 2.

Further, the drip rail 26 may have a shape shown in FIG. Further, the front support, the intermediate support, and the like of the slide roof 2 can be freely designed.

That is, the sunroof device of the present invention includes a sliding roof 2 for opening and closing the opening 3 of the vehicle roof 1, a pair of left and right guide rails 4 for guiding the front portion of the sliding roof 2 to be able to move back and forth, and right and left guide rails. 4 and a lifting / lowering means (a slider 11 for moving the rear portion of the slide roof 2 up and down from the closed state of the opening and moving backward in the tilted down state by moving the slider 11 back and forth. Linear guide groove 16, first and second cam grooves 17,
18, a roller 19, a lifting link 20, and the like. ), And a front portion (pin 22 side) is provided between the sliding roof 2 and the left and right guide rails 4 to move up and down in conjunction with the tilting operation of the sliding roof 2 and a rear portion (roller 19).
Side) is guided by the left and right guide rails 4 and moves back and forth, a gutter bottom 27, a rear rising part (rising part) 28 rising from the rear part of the gutter bottom 27, and a front lower than the rear rising part 28. And a drip rail 26 having a portion (a portion where the elastic strip 30 is provided).

The drip rail 26 has a gutter bottom 27 with a left and right link.
The right and left links 20
The posture is changed in conjunction with the rise and fall of
As shown in FIG. 2, when the sliding roof 2 is in the closed state of the opening portion, the sliding roof 2 has a rearwardly downwardly inclined posture, and as shown in FIG. As shown in FIG. 5, the rear part of the slide roof 2 is in a substantially horizontal posture in which the rear part of the slide roof 2 is in pressure contact with the front part in the tilt-down state.

Referring to FIGS. 12 and 13, there is disclosed a technique in which the height adjusting means of the sunroof is improved.

In this disclosed technique, the height is adjusted by moving the guide rail 4 up and down.

That is, the guide rail 4 and the guide rail 101 of the sunshade 100 are made independent, and the guide rail 101 is attached to the mounting frame 5.
The guide rails 4 are adjusted by adjusting bolts 103 and nuts 104 and
It is attached with a stopper 105 or the like.

To explain the height adjustment procedure, with the slide roof 2 removed from the guide rail 4, the nut 104 is loosened,
The height of the guide rail 4 is adjusted via the adjustment bolt 103 screwed into the back nut 104A, the nut 104 is tightened, the slide roof 2 is mounted, and the height is confirmed to match. According to this, The space between the sliding roofs 2 can be minimized and the roof unit can be made thin.

(Effects of the Invention) The present invention is as described above. When the sliding roof 2 is in the tilt-down state, the gutter bottom 27 of the drip rail 26 has a substantially horizontal posture in the front-rear direction, and the rear part of the sliding roof 2 is located at the front. Abuts, so that the total thickness of the rear portion of the vehicle roof when the sliding roof 2 moves rearward can be reduced, the overhead space in the vehicle can be increased, and the livability can be improved. Even if the front portion of the link 20 is lower than the rear rising portion 28, the front portion of the link 20 rises when the sliding roof 2 is in the closed state of the opening, and the drip rail 26 tilts rearward and downward. The drip rail 26 can be trapped at a steeper angle when the sliding roof 2 is in the tilted-up state, so that not only rainwater flowing down but also rearward when braking can be used. Flowing in from That rainwater will be captured, scattering into the passenger compartment,
Leakage can be reliably prevented, and the drip rail 26 can capture rainwater at a rear downward inclination, thereby lowering the height of the front part, which contributes to making the total thickness of the rear part of the vehicle roof thinner.

The present invention has the above advantages, and is therefore of great utility as a vehicle sunroof device.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of the present invention, and FIG.
FIG. 2 is a longitudinal side view partially omitted, and FIG.
FIG. 4 is a cross-sectional view taken along the line of FIG. III-III, FIG. 4 is a vertical cross-sectional view at the time of tilt-up, FIG. 5 is a vertical cross-sectional view of the tilt-down state, FIG. 7 is a side sectional view at the time of tilting up, FIG. 8 is a side sectional view at the time of tilting down, FIG. 9 is a plan view schematically showing the whole,
FIG. 10 is an exploded perspective view of a main part, FIG. 11 is a cross-sectional view showing another example of a drip rail, and FIGS. 12 and 13 are a cross-sectional view and an exploded perspective view showing a height adjusting mechanism of a sliding roof. is there. 1 ... fixed roof, 2 ... sliding roof, 3 ... opening,
4. Guide rail, 11 Slider, 20 Lifting link, 26 Drip rail, 27 Gutter bottom, 28 Upper part, 43 Storage part.

Claims (1)

(57) [Claims] 1. A sliding roof (2) for opening and closing an opening (3) of a vehicle roof (1), and a pair of left and right guide rails (4) for guiding a front portion of the sliding roof (2) back and forth.
A slider (11) provided on each of the left and right guide rails (4) so as to be movable back and forth, and a rearward movement of the slider (11) causes the rear portion of the sliding roof (2) to tilt up and down from the closed state of the opening; Lifting means for moving backward in a tilt-down state, provided between the sliding roof (2) and the left and right guide rails (4), the front part of which rises and falls in conjunction with the tilting operation of the sliding roof (2) and the rear part A link (20) which is guided by the left and right guide rails (4) and moves back and forth, a gutter bottom (27), a rear rising part (28) rising from the rear part of the gutter bottom (27), and the rear rising part ( 28) a drip rail (26) having a lower front portion than when the sliding roof (2) is in a tilt down state,
With the gutter bottom (27) of the drip rail (26) in a substantially horizontal position in the front-rear direction and the rear part of the sliding roof (2) abutting on the front part, the left and right ends of the drip rail (26) are connected to the left and right links (20). ) Is a sunroof device for vehicles that are specially mounted.