JPH06239144A - Opening and closing drive mechanism of sunroof device - Google Patents

Abstract

PURPOSE:To obtain a high holding stability by housing a roof member freely in a fixed roof on a rear frame, and guiding the movement of the roof member by the rotation of the left and the right drive shafts driven by a motor, through the left and the right sliders, in a system to open and close a large opening by moving the roof member forward and rearward. CONSTITUTION:A large opening 7 is formed between a front frame 6 for front glass installing fixed to a car body 3, and a rear frame 4 fixed to the car body 3 at the rear side of a front door 2, and a fixed roof 8 is provided on the rear frame 4. The large opening 7 is to be opened and closed by the movable roof 9 of a roof member 5 operated by a driving means 36, and the movable roof 9 is housed freely in the fixed roof 8. In this case, fixed rails are provided to the left side and the right side of the rear frame 4, and drive shafts (screw shafts) 30 are provided parallel to the fixed rails. The shafts 30 are rotated simultaneously by operating a motor 34 through bevel gears and the like, and the system is composed to move the movable roof 9 forward and rearward along the fixed rails by the rotation of the shafts 30 through sliders screwed to the shafts 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing drive mechanism for a sunroof device used in vehicles such as passenger cars.

[0002]

2. Description of the Related Art As a conventional sunroof device, there is a slide targa roof type device as disclosed in JP-A-62-261527. In this type, a large opening is formed between the front frame fixed to the vehicle body for attaching the windshield and the rear frame fixed to the vehicle behind the front door, and the large opening is formed by moving the front frame back and forth. A roof member that opens and closes the opening is provided.

The rear frame is for attaching a rear glass,
The rear frame is structured so that the roof member is slidably supported by a fixed roll bar, and the fixed roof is moved back and forth via a cable by a drive means provided on the rear frame. The roof member largely projects rearward from the rear frame, and only the front end thereof is supported.

[0004]

In the above-mentioned prior art, since the roof member is driven by the cable, its support is only supported by the roll bar of the rear frame. Therefore, when the large opening is fully opened. The supporting stability is low, and the roof member may vibrate due to wind pressure. Also,
The driving means may be twisted during the opening and closing and a load may be applied to the driving means, and it is difficult to increase the driving force by cable driving, and it is particularly difficult to open and close during traveling.

According to the present invention, the roof member can be housed in the fixed roof when the large opening 7 is opened, the roof member is supported and guided by the fixed rail in the fixed roof, and the drive shafts arranged in parallel are rotated. It is an object of the present invention to provide a sunroof opening / closing method and an apparatus therefor capable of resolving the above-mentioned problems of the prior art by making the front and rear movable.

[0006]

The concrete means for solving the problem in the present invention is to move the roof member 5 back and forth from a rear frame 4 fixed to the vehicle body 3 at the rear side of the door 2 to move the vehicle body 3 forward and backward. Large opening 7 formed between front frame 6 fixed to
In the opening / closing drive mechanism of the sunroof device for opening and closing, a fixed roof 8 capable of accommodating the roof member 5 is provided in the rear frame 4, fixed rails 25 are arranged on the left and right side portions of the rear frame 4, and the drive shaft 30 The left and right drive shafts 30 are provided with sliders 31 that move back and forth by rotation thereof, and the rear frame 4 is provided with a motor 34 for simultaneously driving the left and right drive shafts 30 to fix the left and right side portions of the roof member 5. That is, the rail 25 is slidably supported back and forth and is connected to the left and right sliders 31.

[0007]

The fixed roof 8 is fixed to the rear frame 4 and is formed in a substantially U shape in a plan view in which the left and right side portions are connected by the rear part, and the roof member 5 can be housed therein. When 5 is moved to the rear position, it supports substantially its entire length.
The large opening 7 between the rear frame 4 and the front frame 6 is opened and closed by the roof member 5, and when the large opening 7 is completely closed, the front part of the roof member 5 abuts against the front frame 6 and hits. It becomes the contact position B.

The opening and closing of the roof member 5 is performed by the driving means 36.
By driving the motor 3 of the drive means 36.
4 is driven, the left and right drive shafts 30 are simultaneously rotated, and the left and right sliders 31 screwed onto the drive shaft 30 are moved back and forth to guide the roof member 5 to the fixed rails 25 provided on the left and right side portions of the fixed roof 8. Then, it slides back and forth.

The roof member 5 is supported and guided by a fixed rail 25, and a drive shaft 3 is provided via left and right sliders 31.
Since the driving is performed at 0, the support stability is good when the large opening 7 is open or closed, and the load on the driving unit is reduced.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 14, reference numeral 1 is a sunroof device provided on the roof of a two-box three-door hatch bag vehicle having left and right front doors 2 and rear doors. A large opening 7 is formed between the rear frame 4 and the rear frame 4 fixed to the vehicle body 3 on the rear side. The large opening 7 reaches the front door 2 and is continuous with the entry / exit opening opened by this. There is.

The rear frame 4 has left and right side pillars 15, a rear pillar 16, a rear upper spoiler 17, a roof frame 18 connecting them, and the like. Side glass 19 is provided between the pillar 15 and the rear pillar 16. By having the inner opening 20, the rear frame 4 has a rectangular frame shape in plan view. The side glass 19 may be part of a window or door that can be opened and closed.

A roof member 5 is provided on the rear frame 4 and opens and closes the large opening 7 by moving back and forth. The roof member 5 has a movable roof 9, a panel roof 11, a hood roof 12, and the like. The fixed roof 8 is fixed so as to cover the rear frame 4, has a substantially U-shape in plan view in which the left and right side portions are connected by the rear portion, and the center is open from the front portion. The opening of the fixed roof 8 is the roof frame 18
The front portion of the inner opening 20 is separated by a bridge 21 that connects the left and right side pillars 15. The fixed roof 8 and the roof frame 18
The rear half of the vehicle has a fixed roof.

5 to 10, bases 24, which are long in the front-rear direction, are fixed to the left and right sides of the roof frame 18, the left and right bases 24 are connected to each other, and fixed rails 25 are provided on the respective outer upper parts thereof. Has been. A long moving body 26 having a gate-shaped cross section is fitted to the fixed rail 25, and a large number of rollers pivotally supported on the fixed rail 25 engage with guide grooves of the moving body 26. A large number of rollers pivotally supported by 26 are engaged with the guide groove of the fixed rail 25,
6 is supported so that it can slide straight forward and backward without tilting.

A bracket 27 is attached to the left and right moving body 26.
The side portion of the movable roof 9 is connected via the. The movable roof 9 has a substantially U shape in plan view in which left and right side portions are connected by a front portion, and a small opening 28 is formed from the center to the rear portion, and the front portion can contact the front frame 6. The left and right side portions of the movable roof 9 are located below the left and right side portions of the fixed roof 8 along it, and are housed in the fixed roof 8 when moved rearward to the storage position A (open position), and when moved forward. The tip thereof comes into contact with the front frame 6 to come into contact position B (closed position),
At this time, the outer peripheral portion of the large opening portion 7 is closed, and the left and right side portions of the fixed roof 8 are connected to the front frame 6.

A drive shaft 30 is arranged on the inner upper side of the left and right bases 24 on the side of the fixed rail 25 in parallel therewith. The drive shaft 30 is formed of a screw shaft and is rotatably provided via a bearing 29. A slider 31 is screwed into the drive shaft 30 to rotate the slider 31 back and forth. This slider 31 is a connecting plate 32.
Is connected to the rear part of the moving body 26 via the slider 3
The moving body 26 and the movable roof 9 are moved by the forward and backward movement of 1.

The rear end of the drive shaft 30 is supported by a gear case 33 fixed to the base 24.
A pair of bevel gears are housed inside, and the drive shaft 30 is connected to one of the bevel gears. A motor 34 with a reducer is fixed to one of the left and right gear cases 33,
The output shaft of the motor 34 is directly or via a transmission shaft 35 connected to the other bevel gear in the gear case 33.

The drive shaft 30 and the gear case 3
3, a motor 34 with a speed reducer, etc. constitutes a driving means 36 for sliding the movable roof 9 at high speed and reliably, and rotation of the motor 34 causes the left and right drive shafts 3 to rotate.
0 is driven at the same time. A movable rail 39 is provided in parallel to the upper portion of the left and right moving body 26 so as to project inward, and a support bracket 40 is engaged with the movable rail 39 via a shoe so as to be slidable forward and backward. Bracket 4
The left and right front side portions of the panel roof 11 are fixed to 0.

The panel roof 11 has a substantially rectangular frame shape in a plan view, and a central portion thereof is a roof window 10. The roof window 10 may be an opening or glass may be embedded. The front and left and right side portions of the panel roof 11 slidably contact the upper surface of the movable roof 9 via weather strips, and the front guide rails 41 for the roof roof 12 are provided on the upper surfaces of the left and right side portions. A drive means 42 for the roof roof 12 is provided on the lower surface of the rear portion.

Rear support brackets 43 are fixed to the left and right rear sides of the panel roof 11, and the rear support brackets 43 are supported by a rear guide rail 44 fixed to the roof frame 18 so as to be movable back and forth. The rear support bracket 43 is provided with a connector 45, which is connected to the cable of the driving means 46. While the drive means 36 of the movable roof 9 is of the drive shaft drive type, the panel roof 11
The drive means 46 and the drive means 42 of the hood roof 12 are both cable drive type, and the rotation of the motors 47 and 48 is changed into the pushing and pulling operation of the cable to move the panel roof 11 and the hood roof 12 back and forth.

3, 5, 7, 11, and 12, the hood roof 12 has a length extending from the rear portion of the fixed roof 8 to the front frame 6, and has a small opening 28 in the movable roof 9 when the movable roof 9 is closed. And the opening in the fixed roof 8 to cover the inner opening 2
0 and the roof window 10 are opened and closed. This hood roof 12
The hood cloth 51 and the back cloth 52, the front and rear covers 53 and 54 provided in front of and behind the hood cloth 51 and the back cloth 52, and a plurality of hood cloths 51 and the back cloth 52 connected to them (in the embodiment, 2) fixed bones 55, front cover 53 and each fixed bone 55
And a levitation bone 56 connected thereto via a link and a tension spring.

The rear cover 54 is connected to the rear portion of the fixed roof 8, the front and rear fixed bones 55 have shoes at both left and right ends, and the front fixed bones 55 are attached to the front guide rails 41 and the rear fixed bones 5.
5 are guided by rear guide rails 44 so as to be slidable back and forth. The front cover 53 of the hood roof 12 can cover the front portion of the panel roof 11, and a pair of left and right support brackets 57 are fixed to the lower surface of the front cover 53. The support bracket 57 has a cam groove 58 and front and rear shoes. 59,
And 60 are provided. The rear portion of the cam groove 58 is inclined downward.

The rear shoe 60 is formed in the groove 4 of the front guide rail 41.
The front shoe 59 slides on the upper surface of the front guide rail 41 by sliding in 1A. A recess 6 is formed at the front end of the front guide rail 41.
1 is formed, and the upper surface thereof has substantially the same height as the lower surface of the groove 41A. The front guide rail 41 has a slider 62.
And the slider 62 is connected to the cable of the drive means 42. This slider 62 has a cam groove 58
A cam pin 63 that engages with is provided.

When the front shoe 59 is in the recess 61, that is, when the hood roof 12 is in the closed state, the cam pin 63 is located in the horizontal portion of the cam groove 58, and the front cover 53 is on the upper surface of the movable roof 9. Abutting. When the slider 62 is moved rearward from this state, the cam pin 63 moves the cam groove 58.
The front shoe 59 is pulled out from the concave portion 61, and the front cover 53 is slid rearward in a state where the front cover 53 is in the front rising posture. When the front cover 53 is in the front rising posture, the sliding contact resistance with the panel roof 11 becomes small.

In FIG. 13, 66 is the sunroof device 1
The control mechanism of is shown. The fixed rail 25 has detection means 67 for detecting the open / closed position of the movable roof 9, the movable rail 39 has detection means 68 for detecting the open / closed position and the intermediate position of the panel roof 11, and the front guide rail 41 has a hood roof. Detection means 69 for detecting the open / closed position of 12 are provided respectively, and are connected to the control unit 66A of the control mechanism 66. The detection means 67, 68, 69 are formed by sensors such as limit switches and contactless switches.

Further, a switch 70 for the movable roof 9, a switch 71 for the panel roof 11, and a switch 72 for the hood roof 12 are connected to the operation box (not shown). , 72 to operate the drive means 36, 46, 42 as appropriate via the control unit 66A. Next, the opening / closing operation of the sunroof device 1 will be described mainly with reference to FIGS.

As shown in FIG. 14a, when the roof member 5 closes the large opening 7, the movable roof 9 projects from the fixed roof 8 and its tip comes into contact with the front frame 6 (contact position B). The front part of the panel roof 11 covers the front part of the movable roof 9, and the front part of the hood roof 12 covers the front part of the panel roof 11. This closed state (Fig. 1
When the switch 70 for the movable roof 9 is opened from 4a), the motor 34 of the drive means 36 operates to rotate the drive shaft 30, and the movable roof 9 is moved rearward via the moving body 26, and the detection means 67 is activated. It is stored in the fixed roof 8 until it operates (Fig. 14e).

At this time, the front parts of the panel roof 11 and the hood roof 12 move integrally with the movable roof 9, and the rear part of the hood roof 12 moves rearward with the rear fixed bones 55 guided by the rear guide rails 44, The rear levitation bone 56 floats and the rear portion of the roof roof 12 is folded. In this way, the movable roof 9 is housed in the fixed roof 8 to the housed position A, and the large opening 7 is opened over the entire surface. This is the first opening stroke, and the first closing stroke is the reverse operation.

The movable roof 9 is moved back and forth as shown in FIG.
Even in the stored state shown in e, the drive shaft 30 is supported by the fixed rail 25 so that the drive shaft 30 is not burdened. When the switch 71 is opened from the closed state (FIG. 14a), the driving means 46 is activated to operate the rear support bracket 4
The panel roof 11 is moved rearward through the detecting means 6
Store in fixed roof 8 until 8 is activated (Figs. 2b, 14c).

At this time, the movable roof 9 does not move, and the front portion of the hood roof 12 moves integrally with the movable roof 9. In this way, the panel roof 11 is housed in the fixed roof 8, and the movable roof 9 remains in a state in which the fixed roof 8 and the front frame 6 are connected. This is the second opening stroke, and the second closing stroke is the reverse operation to the above. When the switch 72 is opened from the closed state (FIG. 14a), the drive means 42 is activated to move the front portion of the hood roof 12 rearward through the support bracket 57 while keeping the front upward posture, and the detection means 69 is activated. Up to the rear of the panel roof 11 (Fig. 14
b).

At this time, the movable roof 9 and the panel roof 11 are immovable, and the front side of the hood roof 12 is the front fixed bone 55.
Is guided by the front guide rail 41 and moves rearward, the front levitation bone 56 rises, and the rear side of the front cover 53 is folded. This is the third opening stroke, and the third closing stroke is the reverse operation.
The solid line of FIG. 2c and the state of 14d are obtained by performing the second opening stroke from the state of FIG. 14b or the first opening stroke of the state of FIG. 14c, and the state of FIG.
It is obtained by performing the first opening stroke from the state of FIGS. 2b and 14b.

Although the first to third opening / closing steps are appropriately selected and performed, a plurality of steps may be simultaneously performed. For example, the second and third opening strokes can be performed simultaneously from the state of FIG. 14a to the state of FIG. 14d, or the second and third opening strokes can be performed from the state of FIG. 14a to the state of FIG. 14f. In addition, by operating one switch, a plurality of drive means 36, 42, 46
Can also be activated simultaneously or sequentially. For example,
When the movable roof switch 70 is operated, the driving means 3
6, the drive means 46 is operated to open the panel roof 11 to an intermediate position, and thereafter the drive means 36 is operated.
Can be activated.

FIG. 15 shows a first modification of the present invention. This roof member 5 has a movable roof 9 and a hood roof 12, and the panel roof 11 is fixed to the movable roof 9 and moves integrally. The small opening of the movable roof 9 cannot be opened and closed, and the roof window 10 is formed in the movable roof 9. Therefore, the movable rail 39, the front and rear support brackets 40 and 43, the driving means 46, and the like shown in the above embodiment are deleted, and the large opening 7 is opened and closed and the roof window 10 is opened and closed.

FIG. 16 shows a second modified example, in which the roof member 5 has a movable roof 9 and a panel roof 11, and the hood roof 12, the front guide rail 41, the drive means 42, etc. shown in the above embodiment. Is not provided. Panel roof 1
Although the roof window 10 may be formed in the first window, it is necessary to fill the glass. The fixed roof 8 is not U-shaped in plan view but has a shape that covers the entire upper portion of the rear frame 4,
The entire surfaces of the movable roof 9 and the panel roof 11 can be stored. When the movable roof 9 is set to the contact position B and the large opening 7 is closed, the small opening 28 can be opened and closed by the panel roof 11.

FIG. 17 shows a third modified example, in which the roof member 5 is formed of only one roof panel, for example, the movable roof 9 without the small opening 28, and the fixed roof 8 is formed.
Is the same as the second modification. Therefore, only the large opening 7 can be opened and closed. The drive shaft drive can set the opening / closing speed, design load condition, etc. by changing the number of shafts and leads, compared to the cable drive.
The setting is easy because it does not need to be changed in the design of the motor.

[0035]

According to the present invention described in detail above, the roof member 5 is supported and guided by the fixed rails 25 in the fixed roof 8 even when the roof member 5 is moved back and forth and in the storage position A, and the drive shaft 30 is provided via the slider 31. It can be driven forward and backward by forward and backward rotation, the support stability is improved and the vibration caused by wind pressure can be reduced, a large load is less likely to be applied to the driving means 36 during the forward and backward movement, and a driving force larger than the cable drive is generated. It becomes possible to open and close while driving. Furthermore, since the drive shaft 30 does not support the roof member 5, the drive shaft 30 is not deformed, and smooth opening and closing can be obtained.

[Brief description of drawings]

FIG. 1 is an explanatory perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective explanatory view showing three examples of open / closed states.

FIG. 3 is a schematic sectional side view.

FIG. 4 is a schematic front view.

FIG. 5 is a cross-sectional side view of a main part with a large opening opened.

FIG. 6 is a sectional front view of a main part.

FIG. 7 is an overall exploded perspective view.

FIG. 8 is an overall plan view.

FIG. 9 is a perspective view of a movable roof drive mechanism.

FIG. 10 is an exploded perspective view of a movable roof drive mechanism.

FIG. 11 is an exploded perspective view of a panel roof and a drive mechanism thereof.

FIG. 12 is an exploded perspective view of a hood roof.

FIG. 13 is a block diagram of a control mechanism.

FIG. 14 is an explanatory diagram showing a mode of opening the roof.

FIG. 15 is a perspective explanatory view showing a first modified example of the present invention.

FIG. 16 is a perspective explanatory view showing a second modified example of the present invention.

FIG. 17 is a perspective explanatory view showing a third modified example of the present invention.

[Explanation of symbols]

 1 sunroof device 2 front door 3 vehicle body 4 rear frame 5 roof member 6 front frame 7 large opening 8 fixed roof 9 movable roof 10 roof window 11 panel roof 12 hood roof 25 fixed rail 28 small opening 30 drive shaft 31 slider 36 drive means A Storage position (open position) B Abutment position (closed position)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shigeki Hiyama 1484-79 Iida, Hachihonmatsu-cho, Higashihiroshima-shi, Hiroshima Prefecture (72) Inventor Katsuhisa Harada 21-15, Yanagigaoka, Fuchu-cho, Aki-gun, Hiroshima Prefecture (72) Inventor Akinobu Nakaoka Hiroshima Prefecture Higashihiroshima City Hachimotomatsucho Iida 1551-14

Claims (1)

[Claims] 1. A front frame (6) fixed to a vehicle body (3) and a vehicle body (3) behind a front door (2).
A roof member (5) which opens and closes the large opening (7) by moving back and forth on the rear frame (4) by forming a large opening (7) with the rear frame (4) fixed to the rear frame (4). In the provided sunroof device, a fixed roof (8) capable of accommodating a roof member (5) is provided on the rear frame (4), and fixed rails (25) are arranged on the left and right side portions of the rear frame (4). The drive shafts (30) are arranged in parallel and the left and right drive shafts (3
0) is provided with a slider (31) that moves back and forth by its rotation, and the left and right drive shafts (3) are provided at the rear of the rear frame (4).
A motor (34) for simultaneously rotating and driving 0) is provided to support the left and right side portions of the roof member (5) on the fixed rail (25) so as to be slidable back and forth and to be connected to the left and right sliders (31). Opening / closing drive mechanism of the characteristic sunroof device.