JP2003146081A - Sunshine roof device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sunshine roof device capable of constituting a movable panel by reducing a height of a cam operating the movable panel by tilt up and tilt down operations and reducing a dimension between the movable panel and a guide rail. SOLUTION: A cam member is formed by arranging a first cam 32 and a second cam 33 mutually and vertically, and engaging parts 66, 67 engaging with the first cam 32 and the second cam 33, respectively, are provided in a slider. A dimension from an upper end to a lower end of the cam member can be reduced, a height of the cam member can be reduced, and the dimension between the movable panel and the guide rail can be reduced by this configuration.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sunroof device for opening and closing an opening provided in a roof of a vehicle with a movable panel.

[0002]

2. Description of the Related Art A so-called sunroof device for opening and closing an opening provided in a roof of a vehicle by a movable panel is disclosed in, for example, Japanese Patent Publication No. 2637704.

In such a sunroof device 100 shown in FIG. 11 and FIG. 12, an operation of lifting the rear end of the movable panel 122 from the roof to open it from the closed state,
It is possible to lower the rear end of the movable panel 122 from the roof and move it further rearward so as to open the opening. In the sunroof device 100, cam members 130 fixed to the left and right of the movable panel (only the right side is shown in FIG. 11)
And a single cam groove 135 formed in the cam member 130.
And a cam pin 141 slidably engaged with the cam groove 135. The cam pin 141 is provided integrally with a slider 172 that moves back and forth in the guide rail 170 by a drive device. Then, by moving the slider 172, the rear end of the movable panel 122 can be opened / closed and the front / rear direction can be opened / closed. The cam groove 135 has a height dimension H from the upper end to the lower end corresponding to the vertical movement range of the rear end of the movable panel 122. Further, the shade 125 is located above the occupant's head and slidably attached to the guide rail 170.

[0004]

In the sunroof device,
There is a need to make the dimensions between the movable panel and the shade smaller so that the occupant's overhead space is as large as possible. In order to meet this need, it is necessary to reduce the height of the cam groove from the upper end to the lower end (corresponding to H in FIG. 12) and to reduce the height of the cam.

Therefore, it is an object of the present invention to realize a sunroof device in which the dimension of the cam groove from the upper end to the lower end can be reduced and a large space above the occupant's head can be secured.

[0006]

In order to solve the above-mentioned problems, the technical means taken by the present invention makes it possible to open and close by moving in the front-back direction with respect to the opening provided in the roof of the vehicle. In a sunroof device including a movable panel, a cam member fixed to the movable panel, a slider that engages with the cam member, and a drive mechanism that allows the slider to move in the front-rear direction, the cam member has a first member. Cam and second
The cams are formed by being arranged one above the other, and the slider is provided with engaging portions that engage with the first cam and the second cam, respectively.

By this means, the rear end of the movable panel above the roof is moved by the first cam and the engaging portion, and the rear end of the movable panel below the roof is moved by the second cam groove and the engaging portion. Works like.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a sunroof device 10 according to the present invention will be described below with reference to FIGS.

FIG. 1 is a plan view of a roof 11 of a vehicle and a sunroof device 10 mounted on the roof 11 of the vehicle.
Since the sunroof device 10 has a symmetrical structure with respect to the widthwise center of the vehicle, the structure and operation thereof will be described below using the right side.

The sunroof device 10 has a movable panel 22 mounted above the occupant's head. And roof 1
The rear end of the movable panel 22 can be opened and closed with respect to the first opening 12 above the roof, and the rear end can be lowered from the roof and further moved rearward to open and close the opening 12. Has become. A pair of guide rails 70 extending in the front-rear direction are arranged on the left and right of the opening 12 and fixed to the indoor side of the roof 11.

3 and 5 show the cross-sectional shape of the guide rail 70 in the vehicle width direction. The guide rail 70 is roughly U
It is formed in a constant V-shaped cross section. Guide rail 70
Has a horizontal board portion 75 having a constant width, a first rail portion 72 is provided at one end portion on the vehicle width center side, and a second rail portion 74 is provided at the other end portion above the board portion 75. It is formed so as to face each other. Further, a cable guide portion 73 is formed above the second rail portion 74.

As shown in the sectional views of FIGS. 3 and 5, a slider 61 slidable on the guide rail 70 is disposed within the U-shaped section of the guide rail 70. Slider 6
Reference numeral 1 denotes a protrusion 63 that is fitted to the first rail portion 72 via a bush 63a, and a bush 62a on the second rail portion 74.
It has two protrusions 62 which are fitted to each other via. The slider 61 further includes a locking portion 64 that engages with the cable guide portion 73.
And a cable 81 is coupled to the locking portion 64. The cable 81 is attached so as to be movable in the front-rear direction within the cable guide 73, and the slider 61 is attached to the rail portion 7.
It is configured to be movable with respect to 2.

A flange portion 65 standing upward is formed at an end portion of the slider 61 on the vehicle width center side.
Is provided with first and second cam pins 66 and 67 that horizontally project outward in the width direction of the vehicle. The first cam pin 66 is arranged above the second cam pin 67.

As shown in FIG. 1, a sunroof device 1
The cable 81 connected to the sliders 61 on the left and right of 0 is
The front portion of the roof 11 is guided to the center of the vehicle and is engaged with a drive mechanism 80 fixed to the lower side of the roof 11.
The cable 81 is configured to move the slider 61 back and forth by the operation of the drive mechanism 80. As such a drive mechanism 80, one using an electric motor is generally used, but a manual mechanism may be used.

As shown in FIGS. 2 to 5, frame brackets 23 are fixedly attached to the left and right lower surfaces of the movable panel 22 by adhesion or the like. The frame bracket 23 is provided with a flange portion 23a extending downward, a first slide pin 51 extending horizontally in the lower front portion of the flange portion 23a, and a second slide pin 52 extending horizontally in the lower rear portion. Is fixedly attached. The first slide pin 51 is slidably supported in the first slide portion 72. On the other hand, the second slide pin 52 is provided on the movable panel 22 as shown in FIG.
Is located above the guide rail 70 when the opening 12 is closed at the same height as the roof 11.

On the frame bracket 23, a pin 53 located at the rear of the first slide pin 51 and a pin 54 at the rear thereof are mounted horizontally in parallel with the first slide pin 51.

As shown in FIG. 2, a stopper lever 69 which is engaged with the first slide pin 51 and the pin 53 and moves in conjunction with the movable panel 22 is arranged. The stopper lever 69 has the first slide pin 51 at its front end.
There is an elongated hole 69a that engages with the connector and extends in the horizontal direction, and an elongated hole 69b that engages with the pin 53 and extends obliquely upward at the center. A locking claw portion 68 is provided at the rear end of the stopper lever 69, and the locking claw portion 68 is provided on the upper wall of the first slide portion 72 at the position where the movable panel 22 shown in FIG. 2 is closed. It fits in the notch 77 and its forward and backward movement is restricted. Pin 5
3 and the long hole 69b are engaged with each other, the movements of the stopper lever 69 and the movable panel 22 are both restricted at this time. It should be noted that the stopper lever 69 is always acted by a spring means (not shown) to lift the locking claw portion 68, and when the movable panel 22 is closed, the claw portion 6 is released.
8 is configured so as to be securely fitted into the notch 77.

As shown in FIG. 2, the frame bracket 2
3 in the front-back direction, the pin 54 and the second slide pin 5
The cam 30 is fixed to the position between the two by screws 31. The cam 30 has a first cam groove 32 and a second cam groove 33
Are formed so as to be located above and below, respectively. First
The cam groove 32 has a horizontal groove portion 32a at an intermediate portion in the front-rear direction,
In front of the horizontal groove portion 32a, there is provided an inclined groove portion 32b which is continuous with the horizontal groove portion 32a and extends downward with an inclination, and an open portion 32c having a shape which opens a groove upwardly behind the horizontal groove portion 32a. The second cam groove 33 has a horizontal groove portion 33a at an intermediate portion in the front-rear direction and a horizontal groove portion 33 at the rear of the horizontal groove portion 33a.
an inclined groove portion 33b that continuously extends upward with inclination to a,
In front of the horizontal groove portion 33a, an opening portion 33c having a shape that opens a groove downward is provided. When the movable panel 22 is closed as shown in FIGS. 2 and 3, the first cam groove 3
The first cam pin 66 is slidably engaged with the second horizontal groove 32a and the second cam pin 67 is slidably engaged with the horizontal groove 33a of the second cam groove 33 in the vertical direction with a minimum clearance.

Next, the operation of the sunroof device 10 thus constructed will be described.

When the occupant operates an operation switch (not shown) from the closed state of the movable panel 22 shown by the solid line in FIG. 2 to move the slider 61 forward through the cable 81 by the drive mechanism 80. explain. Slider 6
The first and second cam pins 66 and 67 formed in 1 move forward in the horizontal grooves 32a and 33a of the cam 30, respectively.
The front end of the movable panel 22 contacts the front end 12a of the opening 12 of the roof 11. At the same time, the pin 51 comes into contact with a front stopper (not shown), the locking claw portion 68 of the stopper lever 69 is fitted into the notch 77, and the pin 53 of the frame bracket 23 engages with the long hole 69b to move. The panel 22 is prevented from moving forward. First from this state
When the cam pin 66 moves beyond the range of the horizontal groove 32a so as to engage with the inclined groove portion 32b that is inclined and extends downward, the movable panel 22 rotates about the first slide pin 51 and the rear portion is lifted. When the first cam pin 66 engages with the inclined groove portion 32b, the second cam pin 67 is located in the open portion 33c, and the second cam pin 67 does not restrain the upward movement of the cam 30. The first cam pin 66 has the inclined groove portion 32.
When the front end of b is reached, the movable panel 22 is in the state of the most raised position a shown by the chain double-dashed line in FIG.
From this state, the process of returning the movable panel 22 to the closed state is performed by reversing the driving mechanism 80 and sending the slider 61 backward.

When the slider 61 is fed rearward from the position shown in FIG. 2, the second cam pin 67 engages with the inclined groove portion 33b which is inclined upward and extends, and the first cam pin 66 moves to the open portion 32c. . Along with this, the movable panel 22 rotates along the cam groove 69b so as to lower the rear portion of the movable panel 22, and the state shown in the position b in FIG. 2 is obtained. As shown in detail in FIG. 4, the second cam pin 67 reaches the rear end of the inclined groove portion 33b. At this time, both the pin 54 and the second slide pin 52 move downward. The pin 54 is a notch 77 formed on the upper surface of the first rail portion 72.
The movable panel 22 that passes through
Release the restriction of backward movement of. Also, the second slide pin 52 fits into the first rail portion 72 through a notch 78 formed in the upper surface of the first rail portion 72. When the slider 61 further moves rearward from the position shown in FIG. 4, the movable panel 22 slides rearward by the engagement of the second cam pin 67 and the second cam groove 33, and the opening of the roof 11 is opened. The closing operation follows the opposite.

In the structure of the sunroof device 10 of the present invention,
The first cam groove 32 is formed on the cam 30 so as to be located above the second cam groove 33. Therefore, the symbol h in FIG.
The first cam groove 3 which can be reached by the first cam pin 66
The dimension from the lowermost end of No. 2 to the uppermost end of the second cam groove 33 which can be reached by the second cam pin 67 is the same as that of the conventional single cam groove 135 shown in FIGS. It becomes smaller than the dimension H. As the rear end of the movable panel 22 is lowered, as can be seen from the comparison between FIG. 5 and FIG. 9 which are cross-sectional views of the cam portion, the height dimension of the cam 30 can be reduced by reducing the h dimension. Slider 61
The vertical dimension of can also be reduced. As a result, the distance between the movable panel 22 and the shade 25, which is slidably mounted on the guide rail 70 and is arranged above the occupant's head, can be reduced, and the vehicle compartment space can be increased. Can be achieved.

Further, as shown in FIGS. 6 and 7, the first cam pin 66 may be arranged behind the second cam pin 67 and the cam 30 may be sandwiched in the width direction. According to the configuration of the second embodiment, the dimension of the cam 30 in the front-rear direction can be reduced.

Further, like the third and fourth embodiments shown in FIGS. 8, 9 and 10, it corresponds to the first cam groove 32 and the second cam groove 33 in the first or second embodiment. The portions to be formed may be formed as protrusions such as the first cam protrusions 232 and 332 and the second cam protrusions 233 and 333 instead of the grooves. As shown in FIG. 9, in the third embodiment, the cam 23
Cam projections 232 and 233 are formed on both sides of 0 so as to horizontally project. Further, as shown in FIG. 10, in the fourth embodiment, cam projections 332, 333 are formed on one side of the cam 330 so as to horizontally project. Each cam projection 23
2, 233, 332 and 333 are formed to extend in the front-rear direction of the vehicle similarly to the cam grooves 32 and 33 of the first or second embodiment. In the third embodiment, the cam projections 232, 2
33 is a plurality of engagement pins 26 formed on the slider 261.
6, 267, 268 are engaged so as to be sandwiched, and in the fourth embodiment, they are engaged in the same manner as the plurality of engaging pins 366, 367, 368 formed on the slider 361. Also with this configuration, the movable panel 222 can be opened and closed by moving the sliders 261 and 361 back and forth as in the first embodiment. In the third and fourth embodiments, the cam projection 2
Since 32, 233, 332, and 333 act to reinforce the cams 230 and 330, there is also an advantage that the cam 230 can be configured as a resin component having a large size.

Further, although not shown, the first cam is connected to the first,
It is also possible to configure the same groove shape as in the second embodiment and the second cam in the same projection shape as in the third and fourth embodiments. In this case, since the uppermost engaging pins 266 and 366 required in the third and fourth embodiments are unnecessary, the height dimension of the slider can be reduced as in the first and second embodiments. Further, it is possible to obtain an effect that the strength of the cam is easily secured.

[0026]

The height between the upper end and the lower end of the cam groove is reduced, and the height of the cam is reduced so that the dimension between the movable panel and the guide rail is reduced and the vehicle interior space is reduced. It is possible to realize a sunroof device that can be made larger.

[Brief description of drawings]

FIG. 1 is a plan view of a sunroof device according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG. 1, showing first and second embodiments relating to the present invention.

FIG. 3 is a sectional view taken along line BB in FIG. 2 and shows the first embodiment. is there.

FIG. 4 is a cross-sectional view taken along the line AA in FIG. 1, showing the first embodiment, in which the movable panel 22 is tilted down.

5 is a sectional view taken along line CC of FIG.

6 is a sectional view taken along the line AA in FIG. 1, showing a second embodiment relating to the present invention.

7 is a cross-sectional view taken along the line DD in FIG.

FIG. 8 is a sectional view taken along line AA in FIG. 1, showing third and fourth embodiments related to the present invention.

9 is a sectional view taken along line FF in FIG. 8, showing a third embodiment relating to the present invention.

10 is a sectional view taken along line FF in FIG. 8, showing a fourth embodiment according to the present invention.

FIG. 11 is a sectional side view of a conventional sunroof device.

12 is a sectional view taken along line EE in FIG.

[Explanation of symbols]

10 Sunroof Device 11 Roof 12 Opening 22 Movable Panels 30, 230, 330 Cam Member (Cam) 32, 232, 332 First Cam (First Cam Groove, First Cam Protrusion) 33, 233, 333 Second Cam (Second Cam Groove, Second Cam Protrusion) 61, 261, 361 Sliders 66, 67, 266, 267, 268, 366, 36
7, 368 engagement part (first cam pin, second cam pin,
Engagement pin)

Claims (2)

[Claims] 1. A movable panel movable in the front-rear direction and capable of opening and closing with respect to an opening provided in a roof of a vehicle, a cam member fixed to the movable panel, and a slider engaging with the cam member. In a sunroof device including a drive mechanism that allows the slider to move in the front-rear direction, a first cam and a second cam are formed on the cam member so as to be arranged one above the other, and the first cam and the second cam are formed. A sunroof device characterized in that the slider is provided with engaging portions that engage with each other. 2. The sunroof device according to claim 1, wherein the first cam and the second cam are grooves or protrusions.