JP2019108051A - Sunroof device - Google Patents

Abstract

To provide a sunroof device with quietness.SOLUTION: The sunroof device includes: a movable panel; a pair of brackets 12 mounted on the movable panel; a sliding member 16 provided on the brackets 12; and a pair of guide rails 20 guiding the sliding member 16 provided on a vehicle roof. The guide rail 20 includes a main rail 21, and a front end rail 31 mounted on a front end of the main rail 21. The sliding member 16 includes: a first guided part 18 that is guided to a guide part 25 of the main rail 21, and a second guided part 19 that is guided to a guide part 36 of the front end rail 31. When the sliding member 16 moves to the main rail 21 from the front end rail 31 or moves to the front end rail 31 from the main rail 21, the first guided part 18 is guided to the guide part 25 of the main rail 21, and the second guided part 19 is guided to the guide part 36 of the front end rail 31.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a sunroof device mounted on a vehicle.

The technology described in Patent Document 1 is known as a technology related to a sunroof device mounted on a vehicle.
The sunroof device described in Patent Document 1 includes a fixed panel fixed to a vehicle roof and a movable panel opening and closing an opening of the vehicle roof. At the time of opening and closing, the movable panel is rotated with the front end as a fulcrum and is tilted up so that the rear end is lifted, and is moved backward in the tilted up position.

JP, 2016-7931, A

  By the way, from the improvement of comfort, it is desirable to be quiet in the opening and closing operation of the sunfur device. The object of the present invention is to provide a quiet sunroof device.

  (1) The sunroof device which solves the above-mentioned subject is provided in a movable panel which opens and closes an opening of a vehicle roof, a pair of brackets attached to the movable panel, a sliding member attached to the bracket, and the vehicle roof A guide rail for guiding the slide member, the guide rail comprising a main rail and a front end rail attached to a front end of the main rail, the slide member being a portion of the main rail A first guided portion guided by the guiding portion and a second guided portion guided by the guiding portion of the front end rail, and the sliding member is from the front end rail to the main rail or from the main rail When moving to the front end rail, the first guided portion is guided by the guiding portion of the main rail, and the second guided portion is guided by the guiding portion of the front end rail.

  According to this configuration, when the slide member moves from the front end rail of the guide rail to the main rail, or when the slide member moves from the main rail to the front end rail of the guide rail, the guide portion of the main rail and the guide portion of the front end rail You will be guided to This allows the sliding member to move smoothly from the front end rail to the main rail or from the main rail to the front end rail, and reduces the noise generated when moving from the front end rail to the main rail or from the main rail to the front end rail it can.

  (2) In the above-described sunroof device, there is an overlapping area where the guide portion of the main rail and the guide portion of the front end rail exist. According to this configuration, the sliding member can move more smoothly from the front end rail to the main rail or from the main rail to the front end rail.

  (3) In the sunroof device, one of the guide portion and the first guided portion of the main rail is configured as a recess, and the other is configured as a protrusion to be inserted into the recess, the guide portion of the front end rail and One of the second guided portions is configured as a recess, and the other is configured as a protrusion to be inserted into the recess. According to this configuration, the structures of the guide portion and the first guided portion of the main rail and the guide portion and the second guided portion of the front end rail are simple.

(4) In the above-mentioned sunroof device, the above-mentioned sliding member is attached to a bracket so that rotation is possible centering on a line which met in the cross direction of vehicles.
According to this configuration, when the inclination of the bracket with respect to the guide rail changes based on the movement of the movable panel, the sliding member rotates in accordance with the change in the inclination. Therefore, the sliding member slides smoothly on both the guide portion of the front end rail of the guide rail and the guide portion of the main rail.

  (5) In the above-mentioned sunroof device, a notch is provided at the front end of the main rail, and a portion including a guide in the front end rail is fitted in the notch. According to this configuration, the main rail and the front end rail can be easily coupled.

  According to the above-mentioned sunroof device, a movable panel can be opened and closed quietly.

1 is a perspective view of a vehicle roof with the opening of the vehicle roof closed. FIG. 1 is a perspective view of a vehicle roof in which an opening of the vehicle roof is opened. The schematic diagram of a sunroof apparatus. The perspective view of a guide rail and a bracket. An exploded perspective view of a guide rail and a bracket. The side view of a guide rail and a bracket when a movable panel takes a closed attitude. Sectional drawing of the guide rail and bracket which follow the VII-VII line of FIG. The side view of a guide rail and a bracket when a movable panel moves backward in a tilt attitude. Sectional drawing of the guide rail and bracket which follow the IX-IX line of FIG. Sectional drawing of the guide rail and bracket which follows XX of FIG.

  One embodiment of a sunroof device will be described with reference to FIGS. 1 to 10. In the following, a direction along the longitudinal direction of the vehicle is referred to as "vehicle longitudinal direction DY" of the sunroof device on the basis of a posture in a state where the sunroof device is attached to the vehicle. The “vertical direction DZ” of the vehicle and the direction along the vehicle width direction of the vehicle is referred to as “vehicle width direction DX” of the sunroof device.

As shown in FIGS. 1 and 2, the sunroof device 10 is provided on a vehicle roof 2 of the vehicle 1. The sunroof device 10 opens and closes the opening 3 of the vehicle roof 2.
The sunroof device 10 includes a movable panel 11, a pair of brackets 12 attached to the movable panel 11, a sliding member 16 attached to the bracket 12, and a guide rail 20 guiding the sliding member 16. In the present embodiment, the sunroof device 10 further includes a drive device 50 for moving the movable panel 11.

  The movable panel 11 is made of a plate material made of resin. The movable panel 11 has a shape that closes the opening 3 of the vehicle roof 2. In the present embodiment, the movable panel 11 moves as follows. The movable panel 11 shifts from a closed posture in which the opening portion 3 is closed to a tilt posture in which the rear end portion is lifted by the elevating mechanism 60 (see later). Then, the movable panel 11 moves rearward while maintaining the tilt posture. Thus, the opening 3 of the vehicle roof 2 is opened (see FIG. 2).

  The movable panel 11 is supported by a pair of elevating mechanisms 60 provided on the vehicle roof 2. The lifting mechanism 60 is configured by, for example, a link mechanism. The pair of lifting mechanisms 60 are arranged in the vehicle width direction DX of the vehicle roof 2. The pair of lifting mechanisms 60 supports both ends of the movable panel 11 in the vehicle width direction DX. The upper portion of the elevating mechanism 60 is moved up and down by the operation of the elevating mechanism 60. Further, the upper portion of the elevating mechanism 60 slidably contacts the bracket 12 in the vehicle longitudinal direction DY. Specifically, the upper portion of the lifting mechanism 60 is disposed at the rear of the bracket 12 when the movable panel 11 is in the closed position. The contact portion between the upper portion of the elevating mechanism 60 and the bracket 12 moves from the rear of the bracket 12 to the front as the movable panel 11 moves to the rear in the tilt posture. As described above, the movable panel 11 is supported by the elevating mechanism 60 when in the tilt posture.

  The front end of the movable panel 11 is guided to the guide rail 20 via a sliding member 16 provided on the bracket 12. Therefore, when the movable panel 11 moves, the front end of the movable panel 11 moves along the guide rail 20.

The drive device 50 will be described with reference to FIG.
The driving device 50 includes a motor 52, a pair of belts 53 for transmitting rotational power of the motor 52, and a drive sliding member 54 attached to the belt 53 for transmitting power to the bracket 12.

  The motor 52 is disposed, for example, in the vehicle roof 2 in front of the opening 3. The pair of belts 53 engage directly or indirectly with the output shaft of the motor 52 so as to move in opposite directions by the drive of the motor 52. The drive sliding member 54 is fixed to the end of the belt 53. In addition, the drive sliding member 54 slides on the guide rail 20. In addition, the drive slide 54 engages the bracket 12 to transmit power to the bracket 12. With such a configuration, the drive device 50 operates as follows.

  When the motor 52 is operated, the drive slide member 54 is pulled or pushed through the belt 53, and the drive slide member 54 moves along the guide rail 20. Then, a force is applied to the bracket 12 engaged with the drive sliding member 54, so the movable panel 11 moves based on the movement of the drive sliding member 54.

The bracket 12 and the sliding member 16 will be described with reference to FIGS. 4 and 5.
The bracket 12 has a main body portion 13 to which the movable panel 11 is attached, an engaged portion 14 in front of the main body portion 13, and a fulcrum portion 15 in front of the engaged portion 14. The main body portion 13, the engaged portion 14 and the fulcrum portion 15 are integrally formed or configured as separate parts. The main body 13 extends along the vehicle longitudinal direction DY. The engaged portion 14 is provided with an engagement hole 14 a (see FIG. 5) that engages with the engagement portion 55 of the drive sliding member 54. The engaged portion 14 extends forward and downward from the main body portion 13.

  The fulcrum portion 15 extends forward from the lower portion of the engaged portion 14. The fulcrum portion 15 is provided with a pair of shaft members 15 a. The shaft member 15 a protrudes in the vehicle width direction DX from each of both side surfaces of the fulcrum portion 15. That is, one end of the shaft member 15a and the other end of the shaft member 15a project from the fulcrum 15 in the opposite direction. The sliding member 16 is rotatably attached to each of the shaft members 15a. Since the pair of sliding members 16 is rotatably attached to the bracket 12, the bracket 12 can rotate around the center line (line along the vehicle width direction DX) of the shaft member 15a.

  The sliding member 16 is provided with a first guided portion 18 and a second guided portion 19. The first guided portion 18 is guided by a guiding portion 25 (see later) of the main rail 21. The second guided portion 19 is guided by a guiding portion 36 (see later) of the front end rail 31.

  Specifically, the sliding member 16 includes a sliding main body 17 having a hole 17 h through which the shaft member 15 a is inserted. The first guided portion 18 and the second guided portion 19 are provided in the sliding main body portion 17. In the sliding main body portion 17, the outer surface 17 j on which the first guided portion 18 and the second guided portion 19 are provided is on the opposite side of the inner surface 17 i which is a surface facing the bracket 12. The inner surface 17i is provided with a hole 17h. The second guided portion 19 is provided below the first guided portion 18 at a predetermined distance from the first guided portion 18.

  For example, the first guided portion 18 is configured as a concave portion so that the guiding portion 25 of the main rail 21 configured as a convex portion is included. The second guided portion 19 is configured as a recess so that the guide portion 36 of the front end rail 31 configured as a protrusion is inserted. As described above, when the first guided portion 18 and the second guided portion 19 are configured as a recessed portion, the first guided portion 18 and the second guided portion 19 can be slid from the rear surface 17 b of the sliding member 16. It extends over the 16 front faces 17a. When the first guided portion 18 and the second guided portion 19 are configured as a recess, the groove width 18a of the first guided portion 18 and the groove width 19a of the second guided portion 19 are directed to the front surface 17a. It is preferable to expand and expand toward the rear surface 17 b (hereinafter, this is referred to as a “groove width expansion structure”). As described later, the first guided portion 18 of the slide member 16 engages with the guide portion 25 of the main rail 21 or disengages the guide portion 25 by the movement of the slide member 16. Do. This engagement can be smoothly performed by the above-described configuration of the “groove widening structure”. The same applies to the groove width expanding structure of the second guided portion 19.

The guide rail 20 will be described with reference to FIGS. 4 and 5.
The guide rail 20 guides the drive sliding member 54 and the sliding member 16. The pair of guide rails 20 are arranged in the vehicle width direction DX, and arranged at both ends in the vehicle width direction DX in the vehicle roof 2 so as to sandwich at least the central portion of the opening 3. The guide rail 20 extends along the vehicle longitudinal direction DY.

  The guide rail 20 includes a main rail 21 and a front end rail 31 attached to the front end of the main rail 21. The main rail 21 and the front end rail 31 are formed of, for example, metal. The main rail 21 can be formed, for example, by extrusion of aluminum.

  The main rail 21 is slightly curved in the vertical direction DZ. The main rail 21 is provided with a guide groove 22 in which the sliding member 16 slides. The guide groove 22 extends along the main rail 21 in the vehicle longitudinal direction DY.

  The guide groove 22 has a bottom wall 23 and a pair of vertical walls 24 extending upward from the bottom wall 23. The pair of vertical walls 24 are provided at an interval in the vehicle width direction DX. The sliding member 16 is inserted between the pair of vertical walls 24. The vertical wall 24 is provided with a guide portion 25 for guiding the sliding member 16. The guide portion 25 is configured as a convex portion that protrudes from one vertical wall 24 toward the other wall. The convex portion enters a concave portion as the first guided portion 18.

  A notch 26 is provided at the front end of the main rail 21. Specifically, the notch portion 26 is provided in the main rail 21 at a portion between the pair of vertical walls 24 that constitute the guide groove 22. In the notch portion 26, a portion 31a including the guide portion 36 in the front end rail 31 is fitted. Further, a coupling hole 27 for coupling the main rail 21 and the front end rail 31 is provided in a portion of the main rail 21 rearward of the notch 26.

  The front end rail 31 inclines downward toward the front in a posture when the guide rail 20 is attached to the vehicle roof 2. With such a shape, in the movement of the movable panel 11 at the time of the opening of the opening 3, the front portion of the movable panel 11 is gradually raised rearward.

  The front end rail 31 has a rail body 32, a front portion 33 extending forward from the rail body 32, and a rear portion 34 extending rearward from the rail body 32. The rail body 32, the front 33 and the rear 34 are integrally formed. The rail main body 32, the front 33, and the rear 34 may be configured as separate parts.

  The front portion 33 is provided with a fixing hole 37 for fixing the front end rail 31 to the vehicle roof 2. The front end rail 31 is fixed to the vehicle roof 2 directly or indirectly by a fastening member inserted into the fixing hole 37. The rear portion 34 is provided with a coupling hole 38 for coupling the front end rail 31 and the main rail 21. With the front end rail 31 coupled to the main rail 21, the rear portion 34 is disposed below the portion including the coupling hole 27 in the main rail 21. The front end rail 31 and the main rail 21 are coupled by the fastening member 40 inserted into the coupling hole 38 and the coupling hole 27 of the main rail 21.

  The rail body portion 32 has a base portion 35 and a pair of guide portions 36 provided on both sides of the base portion 35 in the vehicle width direction DX. The guide portion 36 guides the second guided portion 19 of the sliding member 16.

  When the 2nd to-be-guided part 19 is comprised as a recessed part, the guide part 36 is comprised as a convex part. The guide portion 36 configured as a convex portion enters the second guided portion 19 configured as a concave portion. For example, the guide portion 36 is formed by bending a portion of the base portion 35 extending in the vehicle width direction DX.

  At the connection portion between the front end rail 31 and the main rail 21, there is an area AR where the guide portion 36 of the front end rail 31 and the guide portion 25 of the main rail 21 overlap (see FIGS. 8 and 10). Specifically, in a state in which the front end rail 31 is coupled to the main rail 21, the portion 31 a (see FIG. 10) including the guide portion 36 in the front end rail 31 engages with the notch 26 of the main rail 21. Further, in a state where the front end rail 31 is coupled to the main rail 21, the guide portion 36 of the front end rail 31 is disposed below the guide portion 25 of the main rail 21 at a predetermined distance from the guide portion 25. The guide portion 36 of the front end rail 31 and the guide portion 25 of the main rail 21 overlap with each other when viewed from a point above the guide rail 20. That is, the rear end of the guide portion 36 of the front end rail 31 is positioned rearward of the front end of the guide portion 25 of the main rail 21 in the vehicle longitudinal direction DY.

  6 to 10, the operation of the sunroof device 10 when opening the opening 3 of the vehicle roof 2 will be described. In particular, the operation of the sliding member 16 will be described. FIG. 6 shows the bracket 12 when the movable panel 11 is in the closed position. FIG. 7 shows a cross-sectional view along the line VII-VII in FIG. FIG. 8 shows the bracket 12 when the movable panel 11 is moved backward in the tilt attitude. FIG. 9 shows a cross-sectional view taken along the line IX-IX of FIG. FIG. 10 shows a cross-sectional view taken along the line X-X of FIG.

  When starting to open the opening 3 of the vehicle roof 2, as described above, the movable panel 11 shifts from the close attitude to the tilt attitude. Thereafter, the sliding member 16 slides on the front end rail 31 (see FIG. 6). The second guided portion 19 of the sliding member 16 is guided by the guiding portion 36 of the front end rail 31 (see FIG. 7).

  When the drive slide member 54 moves rearward, the bracket 12 and the movable panel 11 move rearward accordingly. Then, the sliding member 16 moves from the front end rail 31 to the main rail 21. When moving from the front end rail 31 to the main rail 21, the second guided portion 19 of the sliding member 16 is guided by the guiding portion 36 of the front end rail 31, and the first guided portion 18 of the sliding member 16 is It is guided by the guide part 25 of the main rail 21 (refer FIGS. 8-10). Furthermore, when the drive slide member 54 moves rearward, the slide member 16 is guided by the guide portion 25 of the main rail 21.

The operation of the present embodiment will be described with reference to FIGS. 9 and 10.
In the case where the guide rail 20 is a combination of two rails, a deviation occurs in the connection portion between the concave guide groove of one rail and the concave guide groove of the other rail due to variations in part dimensions, assembly deviation, etc. Sometimes. In this case, a step is formed in the coupled portion. When such a step is present, a sound is generated when the sliding member 16 passes through the joint portion of the guide groove. Specifically, a sound is generated when the sliding member 16 moves from one guide groove to the other. Such noise may cause discomfort to the occupants of the vehicle. In this respect, the sunroof device 10 according to the present embodiment has the following configuration. As described above, the bracket 12 is provided with the sliding member 16. The sliding member 16 has a first guided portion 18 guided by the guiding portion 25 of the main rail 21 and a second guided portion 19 guided by the guiding portion 36 of the front end rail 31. When the sliding member 16 moves from the front end rail 31 to the main rail 21 or from the main rail 21 to the front end rail 31, the first guided portion 18 is guided by the guiding portion 25 of the main rail 21 and the second guided portion 19 Are guided by the guide portion 36 of the front end rail 31. Therefore, the sliding member 16 can smoothly move from the front end rail 31 to the main rail 21.

The effects of the sunroof device 10 will be described below.
(1) In the sunroof device 10, the guide rail 20 includes the main rail 21 and the front end rail 31 attached to the front end of the main rail 21. The sliding member 16 includes a first guided portion 18 guided by the guiding portion 25 of the main rail 21 and a second guided portion 19 guided by the guiding portion 36 of the front end rail 31. When the sliding member 16 moves from the front end rail 31 to the main rail 21 or from the main rail 21 to the front end rail 31, when the sliding member 16 moves the connecting portion between the front end rail 31 and the guide rail 20, The guiding portion 18 is guided by the guiding portion 25 of the main rail 21, and the second guided portion 19 is guided by the guiding portion 36 of the front end rail 31.

  According to this configuration, the sliding member 16 can smoothly move from the front end rail 31 to the main rail 21 or from the main rail 21 to the front end rail 31, and from the front end rail 31 to the main rail 21 or from the main rail 21. The sound generated when moving to the front end rail 31 can be reduced. Thus, quietness is maintained even when the opening 3 of the vehicle roof 2 is opened and closed.

  (2) The guide rail 20 has an overlapping area AR in which the guide portion 25 of the main rail 21 and the guide portion 36 of the front end rail 31 exist. According to this configuration, the sliding member 16 can move more smoothly from the front end rail 31 to the main rail 21 or from the main rail 21 to the front end rail 31 as compared with the case where there is no such overlap region AR. .

  (3) In the sunroof device 10, one of the guide portion 25 of the main rail 21 and the first guided portion 18 is configured as a recess, and the other is configured as a protrusion to be inserted into the recess. In the present embodiment, the guide portion 25 of the main rail 21 is configured as a convex portion, and the first guided portion 18 is configured as a concave portion. One of the guide portion 36 of the front end rail 31 and the second guided portion 19 is configured as a recess, and the other is configured as a protrusion to be inserted into the recess. In the present embodiment, the guide portion 36 of the front end rail 31 is configured as a convex portion, and the second guided portion 19 is configured as a concave portion. According to this configuration, the structures of the guide portion 25 and the first guided portion 18 of the main rail 21 and the guide portion 36 and the second guided portion 19 of the front end rail 31 are simple.

(4) The sliding member 16 is attached to the bracket 12 rotatably around a line along the vehicle width direction DX.
According to this configuration, when the inclination of the bracket 12 with respect to the guide rail 20 changes based on the movement of the movable panel 11, the sliding member 16 rotates in accordance with the change in the inclination. Therefore, the sliding member 16 slides smoothly on both the guide portion 36 of the front end rail 31 of the guide rail 20 and the guide portion 25 of the main rail 21.

(5) The notch 26 is provided at the front end of the main rail 21. The portion 31 a including the guide portion 36 in the front end rail 31 fits into the notch 26.
According to this configuration, the main rail 21 and the front end rail 31 can be easily coupled.

(6) The groove width 18a of the first guided portion 18 of the sliding member 16 and the groove width 19a of the second guided portion 19 are enlarged in the vehicle longitudinal direction DY.
According to this configuration, even if the position of the guide portion 36 of the front end rail 31 relative to the guide portion 25 of the main rail 21 is shifted due to an assembly error when the front end rail 31 and the main rail 21 are coupled, the sliding member 16 Smoothly move from the front end rail 31 to the main rail 21.

<Other Embodiments>
The sunroof device 10 is not limited to the example of the embodiment. For example, the sunroof device 10 can be modified as follows.

  The attachment structure of the sliding member 16 to the bracket 12 is not limited to the example of the embodiment. For example, the sliding member 16 is rotatably mounted on the bracket 12 by providing the shaft portion on the sliding member 16 and providing a recess in the bracket 12 to which the shaft portion of the sliding member 16 is fitted.

AR ... area, DX ... vehicle width direction, DY ... vehicle longitudinal direction, DZ ... vertical direction, 1 ... vehicle, 2 ... vehicle roof, 3 ... opening, 10 ... sun roof device, 11 ... movable panel, 12 ... bracket, 13 ... main body portion 14 14 engaged portion 14a engagement hole 15 fulcrum portion 15a shaft member 16 sliding member 17 sliding main body portion 17a front surface 17b rear surface 17h Bore, 17i: inner surface, 17j: outer surface, 18: first guided portion, 18a: groove width, 19: second guided portion, 19a: groove width, 20: guide rail, 21: main rail, 22: guide groove 23 Bottom wall 24 Vertical wall 25 Guide part 26 Notched part 27 Coupling hole 31 Front end rail 31a Part 32 Rail body part 33 Front part 34 Rear part 35 Base part 36 Guide part 37 Fixing hole 38 Coupling hole 40 Binding member, 50 ... drive unit, 52 ... motor, 53 ... belt, 54 ... driving sliding member, 55 ... engagement portion, 60 ... lift mechanism.

Claims (5)

A movable panel for opening and closing an opening of a vehicle roof, a pair of brackets attached to the movable panel, a sliding member attached to the bracket, and a pair of guides provided on the vehicle roof to guide the sliding member Equipped with rails,
The guide rail comprises a main rail and a front end rail attached to the front end of the main rail,
The sliding member includes a first guided portion guided by the guiding portion of the main rail, and a second guided portion guided by the guiding portion of the front end rail.
When the sliding member moves from the front end rail to the main rail or from the main rail to the front end rail, the first guided portion is guided by the guiding portion of the main rail, and the second guided portion is A sunroof device that is guided by the guide portion of the front end rail. The sunroof device according to claim 1, wherein there is an overlapping area in which the guide portion of the main rail and the guide portion of the front end rail exist. One of the guide portion of the main rail and the first guided portion is configured as a recess, and the other is configured as a protrusion to be inserted into the recess.
The sunroof device according to claim 1 or 2, wherein one of the guide portion and the second guided portion of the front end rail is configured as a recess, and the other is configured as a protrusion to be inserted into the recess. The sunroof device according to any one of claims 1 to 3, wherein the sliding member is rotatably attached to the bracket with a line along the vehicle width direction as a rotation center. A notch is provided at the front end of the main rail,
The sunroof device according to any one of claims 1 to 4, wherein a portion including a guiding portion in the front end rail is fitted in the notch.