WO2018092662A1 - Sunroof device - Google Patents

Abstract

This sunroof device is provided with a roof that has: a roof panel formed with an opening; and a front panel and a rear panel that close the opening. In addition, a recessed section that is recessed downward is formed in a center portion in the vehicle width direction at a rear end portion of the roof.

Description

Sunroof device

The present invention relates to a sunroof device.

Conventionally, in roofs of vehicles such as automobiles, pagoda roofs and double bubble roofs are known as roofs in which the central part in the vehicle width direction is relatively recessed. Such a cable hood improves the aerodynamic performance by accelerating the air flowing along the outer shape of the roof while the vehicle is running in the recess.

Incidentally, a sunroof device is known in which a part of a vehicle roof is configured to be openable and closable in order to obtain a refreshing feeling (for example, Patent Document 1). Also in this sunroof device, it is desired to improve the aerodynamic performance in accordance with the cable roof. Usually, even for the same model, there are a sunroof specification equipped with a sunroof device and a normal specification not equipped with the sunroof device. In other words, it is desired to prevent a difference in aerodynamic performance even if there is a difference in sunroof specifications.

JP 2005-162063 A

An object of the present invention is to provide a sunroof device that can further improve aerodynamic performance.

In order to solve the above-described problem, according to a first aspect of the present invention, a roof panel having an opening and a roof having a panel for closing the opening are provided, and the rear end portion of the roof has a central portion in the vehicle width direction. Is provided with a sunroof device in which a recess recessed downward is formed.

(A) is a perspective view which shows the fully closed state of the sunroof apparatus which concerns on the 1st Embodiment of this invention, (b) is a perspective view which shows the fully open state of a sunroof apparatus. (A) is the schematic which shows the behavior of the air which flows along the roof of a sunroof apparatus, (b) is the schematic which shows the behavior of the air which flows along a comparison object roof. (A) is the graph which compared the air drag coefficient of the vehicle with the roof of a sunroof apparatus, and the roof for comparison, (b) is the graph which compared the lift coefficient of the vehicle with the roof of a sunroof apparatus, and the roof for comparison. The top view which shows the structure of a shade mechanism. FIG. 5 is a cross-sectional view taken along line 5-5 in FIG. The disassembled perspective view which shows a winding tube and its peripheral structure. The exploded perspective view which shows a motor housing. The perspective view which shows a drum and its periphery structure. (A), (b) is sectional drawing which shows operation | movement of the 1st cable wound by the drum. (A), (b) is sectional drawing which shows operation | movement of the 2nd cable wound by a drum. The perspective view which shows the periphery structure of a pulley. FIG. 12 is a sectional view taken along line 12-12 in FIG. FIG. 13 is a sectional view taken along line 13-13 in FIG. Schematic which shows the effect | action of a sunroof apparatus. The perspective view which shows the fully closed state of the sunroof apparatus of a modification. The top view which shows the structure of the shade mechanism of the sunroof apparatus which concerns on 2nd Embodiment of this invention. FIG. 17 is a cross-sectional view taken along line 17-17 in FIG. The disassembled perspective view which shows a winding tube and its peripheral structure. The top view which shows the periphery structure of a shoe member. The disassembled perspective view which shows the attachment structure of a pulley. Schematic which shows the effect | action of a sunroof apparatus.

(First embodiment)
Hereinafter, a first embodiment of the sunroof device will be described. Hereinafter, the direction in which the vehicle moves forward and backward is defined as the front-rear direction, and the height direction of the vehicle is defined as the vertical direction. Further, the side facing the vehicle interior in the vehicle width direction is defined as the inside, and the side facing the vehicle interior is defined as the outside.

As shown in FIGS. 1A and 1B, a roof 10 of a vehicle such as an automobile has a roof panel 11 in which a substantially rectangular opening 11a is formed. In the rear end portion 10 a of the roof 10, a concave portion 12 that is recessed downward is formed in the center portion in the vehicle width direction. The roof 10 is a cable roof.

The roof 10 includes a front panel 13 and a rear panel 14 as substantially rectangular panels made of, for example, a glass or resin plate. The front panel 13 and the rear panel 14 are juxtaposed in the front-rear direction. The front panel 13 is attached to the roof panel 11 so that the front part of the opening 11a can be opened and closed. The front panel 13 can perform a tilt-up operation in which the rear part rises with the front part as a fulcrum and a sliding action in the front-rear direction. For this reason, the opening / closing operation by the front panel 13 employs an outer sliding type in which the sliding operation is performed in the tilt-up state. The rear panel 14 is attached to the roof panel 11 so as to always close the rear portion of the opening 11a. The front panel 13 and the rear panel 14 form a light transmitting area in the opening 11a.

Next, the behavior of the air flowing along the roof 10 while the vehicle is traveling will be described. In the following, the direction of air flow is drawn with arrows. In particular, the length of the straight arrow correlates with the air flow rate.

As shown in FIG. 2 (a), the air F1 flows through the center of the roof 10 in the vehicle width direction toward the recess 12. Although the flow rate of the air F1 is relatively slow, the air F1 is accelerated to the air F2 when it reaches the recess 12. As a result, the traveling wind is sucked and the air resistance is reduced. And the air F3 which becomes a vortex behind the vehicle is separated from the vehicle, and the air resistance is reduced.

FIG. 2 (b) shows a comparative roof 50 that has a shape similar to the roof 10 except that the recess 12 is omitted. After the air F51 flows through the center of the roof 10 in the vehicle width direction, the air F51 reaches the rear end of the comparison target roof 50 as the relatively slow air F52. Thereby, the air F53 which becomes a vortex behind the vehicle approaches the vehicle, and the air resistance increases.

3A is a graph comparing the air drag coefficient Cd of the vehicle between the roof 10 and the comparison target roof 50. FIG. As is clear from FIG. 3A, it is confirmed that the air drag coefficient Cd decreases due to the formation of the recess 12.

FIG. 3B is a graph in which the lift coefficient Cl of the vehicle is compared between the roof 10 and the comparison target roof 50. As apparent from FIG. 3B, it is confirmed that the lift coefficient Cl is equivalent even if the recess 12 is formed.

Next, the roll shade system of this embodiment is demonstrated.
As shown in FIG. 4, a pair of guide rails 16 made of, for example, an extruded material of an aluminum alloy are extended in the front-rear direction at both side edges of the opening 11a. The front ends of both guide rails 16 are connected by a front housing 17 that extends in the vehicle width direction. The rear ends of both guide rails 16 are connected by a rear housing 18 that extends in the vehicle width direction. The intermediate portions of both guide rails 16 are connected by a center housing 19 that extends in the vehicle width direction along the boundary between the front panel 13 and the rear panel 14.

A rear shade mechanism 20 is disposed at the rear of the opening 11a. The rear shade mechanism 20 has a substantially cylindrical winding tube 21 as a winding shaft. The winding tube 21 extends in the vehicle width direction along the rear portion of the center housing 19. The winding tube 21 is rotatably supported around an axis extending in the vehicle width direction.

A light shielding sheet 22 is fixed to the winding tube 21. The light shielding sheet 22 is in an unfolded state where light passing through the rear panel 14 is blocked, or in a wound state permitting the passage of light. A first edge portion 22 a that is a front edge portion of the light shielding sheet 22 is fixed to the winding tube 21. The light shielding sheet 22 can be wound and unwound from the rotating winding tube 21.

A second edge portion 22 b which is a rear edge portion of the light shielding sheet 22 is fixed to the operation member 23. The operation member 23 extends in the vehicle width direction so as to be bridged between the guide rails 16 behind the winding tube 21. The operation member 23 includes a substantially long handle member 24 straddling between both guide rails 16 and a pair of shoes attached to both ends of the handle member 24 and slidably disposed on both guide rails 16. Member 25. The second edge portion 22b of the light shielding sheet 22 is fixed to the operation member 23 in a handle member 24 extending along the second edge portion 22b.

The handle member 24 moves rearward while the shoe members 25 of the operation member 23 slide on the guide rails 16. In this case, the light shielding sheet 22 is unwound from the winding tube 21 so as to block the light passing through the rear panel 14. Alternatively, the handle member 24 moves forward while the shoe members 25 of the operation member 23 slide on the guide rails 16. In this case, the light shielding sheet 22 is wound around the winding tube 21 so as to allow light passing through the rear panel 14 to pass therethrough.

In each guide rail 16, a drum 26 is rotatably supported coaxially with the winding tube 21 at a position adjacent to the outside of the winding tube 21. A pulley 27 as a turning member is supported at each end of the rear housing 18 at the rear of each guide rail 16 so as to be rotatable around an axis extending in the vertical direction.

The first cable 28 as one cable is fixed to the handle member 24. The first cable 28 is fixed to a connecting portion 28 a arranged on the handle member 24 along the longitudinal direction of the handle member 24. The first cable 28 turns away from both ends of the handle member 24 and extends rearward at the shoe members 25. Further, the first cable 28 is turned so as to extend forward after being hooked on both pulleys 27 from the inside. Both end portions 28 b of the first cable 28 extending forward are fixed to the both drums 26, so that they can be wound and unwound from both drums 26.

On the other hand, the first terminal 29 a of the second cable 29 is fixed to the shoe member 25, and the second terminal 29 b of the second cable 29 is fixed to the drum 26. The winding directions of the first and second cables 28 and 29 around the drum 26 are opposite to each other. That is, for example, when the drum 26 rotates so as to wind up the first cable 28, the second cable 29 is unwound from each drum 26.

The winding tube 21 has a built-in motor 41 as a pair of electric drive sources that rotationally drive both drums 26. Further, the winding tube 21 incorporates a biasing member that biases the winding tube 21 in the rotational direction in which the light shielding sheet 22 is wound, for example, a torsion coil spring 42.

When both drums 26 are driven to rotate in one direction by both motors 41 while the light-shielding sheet 22 is wound, both side terminals 28b of the first cable 28 are wound and both second cables 29 are wound from each drum 26. Is issued. As a result, the handle member 24 moves rearward while sliding the shoe members 25 on the guide rails 16. Accordingly, the second edge portion 22b of the light shielding sheet 22 fixed to the handle member 24 moves rearward while the light shielding sheet 22 is unwound from the winding tube 21 against the urging force of the urging member 42. Accordingly, the light shielding sheet 22 shields a part of the light passing through the rear panel 14 according to the movement amount of the second edge 22b. Then, when the handle member 24 is moved rearward substantially to the vicinity of the rear housing 18, the light shielding sheet 22 blocks light passing through the rear panel 14.

For example, when the light shielding sheet 22 is stopped in the middle of the closing operation, further manual closing operation is restricted by the second cables 29.
On the other hand, when both drums 26 are driven to rotate in opposite directions by both motors 41, both end portions 28b of the first cable 28 are unwound and both the second cables 29 are wound. Accordingly, the handle member 24 moves forward while sliding both the shoe members 25 on the both guide rails 16. Thereby, the 2nd edge 22b of the light shielding sheet 22 fixed to the handle member 24 moves ahead. Along with this, the light shielding sheet 22 to be loosened is wound around the winding tube 21 while being biased by the biasing member 42. Then, when the operation member 23 of the handle member 24 is moved forward to the vicinity of the center housing 19 to the maximum extent, the light shielding sheet 22 allows the rear panel 14 to pass light.

On the other hand, a front shade mechanism 30 is disposed in front of the opening 11a. The front shade mechanism 30 is basically explained in the same manner as the rear shade mechanism 20 by changing the front-rear direction. That is, the front shade mechanism 30 includes a winding tube 31, a light shielding sheet 32, an operation member 33 (handle member 34, shoe member 35), a drum 36, a pulley 37, and first and second cables 38 and 39. Then, the handle member 34 moves forward while the shoe members 35 of the operation member 33 slide on the guide rails 16, so that the light shielding sheet 32 is wound so as to block light passing through the front panel 13. Unwind from the tube 31. When the shoe member 35 of the operation member 33 slides on the guide rails 16 and the handle member 34 moves rearward, the light shielding sheet 32 is wound around the winding tube 31 so as to allow light to pass therethrough. .

Next, the winding tube 21 and its peripheral structure will be described.
As shown in FIGS. 5 and 6, a substantially L-shaped bracket 51 is attached to each guide rail 16 adjacent to the outside of the winding tube 21. The bracket 51 is formed with a substantially rectangular fitting hole 51a that is concentric with the winding tube 21 and opens in the vehicle width direction. A motor housing 43 is mounted on the open end of the winding tube 21 facing the bracket 51. The motor housing 43 has a covered substantially cylindrical bearing portion 43 a having an outer diameter equivalent to the inner diameter of the winding tube 21. The motor housing 43 has a bottomed substantially cylindrical extending portion 43b connected to the inner end of the bearing portion 43a and having a diameter smaller than that of the bearing portion 43a. The motor housing 43 has a substantially columnar spring locking portion 43c connected to the inner end of the extending portion 43b. The motor housing 43 has a substantially quadrangular prism-like fitting protrusion 43d that is connected to the outer end of the bearing 43a and concentric with the bearing 43a.

In the motor housing 43, the fitting protrusion 43 d is fitted into the fitting hole 51 a of the bracket 51 in a state where the bearing 43 a is rotatably inserted into the winding tube 21. Therefore, the motor housing 43 fixed to the guide rail 16 via the bracket 51 supports the winding tube 21 in the bearing portion 43a. The inner peripheral surface of the winding tube 21 that is in sliding contact with the bearing portion 43a is preferably subjected to processing with a resin material having a low friction coefficient. As the resin material, a fluororesin material such as Teflon (registered trademark) is used.

In the motor housing 43, the above-described motor 41 is accommodated in an internal space formed by the bearing portion 43a and the extending portion 43b. As shown in FIG. 7, the motor housing 43 has a first housing portion 44 and a second housing portion 45 that are divided into two by a plane including the center line thereof. The motor 41 is sandwiched between the housings 44 and 45 while being accommodated in a substantially semicircular internal space that forms the first housing portion 44 and the second housing portion 45, respectively. The motor 41 is fastened to the motor housing 43 by a plurality of bolts 46.

As shown in FIGS. 5 and 6, a substantially square columnar motor-side connector portion 43 e that protrudes outward in the radial direction is provided on the outer portion of the bearing portion 43 a that protrudes from the winding tube 21. The motor-side connector portion 43e is electrically connected to both terminals of the motor 41, and is fitted into a power supply-side connector portion 52 having a substantially rectangular tube shape that is electrically connected to a power source such as an in-vehicle battery. Electric power is supplied to the motor 41 from the power source through the motor side connector portion 43e and the power source side connector portion 52.

The fitting protrusion 43d is formed with a circular bearing hole 43f concentric with the fitting protrusion 43d. A rotation shaft 41a of the motor 41 penetrating the bearing portion 43a is disposed on the inner peripheral portion of the bearing hole 43f. The rotating shaft 41a is formed in a substantially quadrangular prism shape. A substantially L-shaped bracket 53 is attached to each guide rail 16 adjacent to the outside of the bracket 51. The bracket 53 is provided with a cylindrical bearing portion 53a that is concentric with the rotating shaft 41a and protrudes inward. The aforementioned drum 26 is supported on the bearing portion 53a. The drum 26 is sandwiched between the bearing portion 53 a and the bracket 51. The drum 26 is provided with a columnar connecting portion 26a that is concentric with the rotating shaft 41a and protrudes inward. A rotating shaft 41a is fitted into the connecting portion 26a. In this state, the connecting portion 26a is supported by the bearing hole 43f so as to rotate integrally with the rotating shaft 41a. Thereby, the drum 26 is rotationally driven by the motor 41.

A substantially annular holder 54 is non-rotatably fitted at the center of the winding tube 21. The holder 54 is formed with a substantially octagonal fitting hole 54a that is concentric with the winding tube 21 and opens in the vehicle width direction. A substantially octagonal columnar end 55 is fitted into the fitting hole 54a. A first leg portion of a torsion spring 56 made of a coil spring is fixed to the end 55. The second leg portion of the torsion spring 56 is hooked on the spring locking portion 43 c of the motor housing 43. Therefore, the twist amount (biasing force) of the torsion spring 56 changes as the winding tube 21 rotates around the motor housing 43. In the present embodiment, the amount of twist of the torsion spring 56 increases as the winding tube 21 rotates in the direction of unwinding the light shielding sheet 22. Torsion of the torsion spring 56 is synchronized with the rotation of the winding tube 21.

Next, the first and second cables 28 and 29 fixed to the drum 26 will be described.
As shown in FIG. 8, the tip of the outer tube 81 in the vicinity of the drum 26, which is routed between the drum 26 and the pulley 27, is attached to the guide rail 16 via a clamp 82. The first cable 28 has a first cable portion 83 that is inserted into the outer tube 81 so as to be routed between the drum 26 and the pulley 27. The first cable 28 is fixed to the drum 26 at the tip of the first cable portion 83 exposed from the outer tube 81. Accordingly, as shown in FIGS. 9A and 9B, the first cable portion 83 follows the drum 26 by swinging in the axial direction of the drum 26 together with the outer tube 81 from the clamp 82 when the drum 26 rotates. To do. The distal end portion of the first cable portion 83 exposed from the outer tube 81 extends toward the upper portion of the drum 26 and is wound counterclockwise in the drawing.

As shown in FIG. 8, a stopper 91 is attached to the guide rail 16 in accordance with the arrangement of the shoe member 25 of the light shielding sheet 22 in the wound state. One end of an outer tube 92 routed between the stopper 91 and the drum 26 is fixed to the stopper 91. The second cable 29 is fixed to the drum 26 at the distal end exposed from the outer tube 92. Therefore, as shown in FIGS. 10A and 10B, the second cable 29 follows the drum 26 by swinging in the axial direction of the drum 26 together with the outer tube 92 from the stopper 91 when the drum 26 rotates. To do. The tip of the second cable 29 exposed from the outer tube 92 extends toward the lower portion of the drum 26 and is wound clockwise in the drawing.

11 and 12, the first cable 28 has a second cable portion 84 that is routed between the pulley 27 and the outer tube 81 and is connected to the first cable portion 83. The second cable portion 84 is inserted into a substantially cylindrical cable guide 85 fixed to the guide rail 16 so as to face the outer tube 81. A male screw 85 a is formed at the tip of the cable guide 85. The first cable portion 83 is inserted into a substantially cylindrical cable guide 86 that is fitted to the tip of the outer tube 81 so as to face the cable guide 85. A male screw 86 a is formed at the tip of the cable guide 86. A female screw portion 87a formed on a substantially cylindrical adjusting member 87 is screwed into both the male screws 85a and 86a. The adjustment member 87 is twisted with respect to the cable guides 85 and 86 to adjust the tension of the first cable 28 of the first cable portion 83 by expanding and contracting the outer tube 81. When the adjustment member 87 is twisted in one direction and the cable guides 85 and 86 are tightened so as to approach each other, the outer tube 81 extends, so that the tension of the first cable 28 of the first cable portion 83 increases.

As shown in FIG. 13, each shoe member 25 is formed with a housing portion 25 a substantially concentric with the second cable 29. A cable end 93 slidable in the front-rear direction along the housing portion 25a is fixed to the distal end of the second cable 29 that enters the housing portion 25a. A spring 94 is wound around the distal end portion of the second cable 29 located in the accommodating portion 25a. The spring 94 is interposed between the wall surface of the housing portion 25 a and the cable end 93. Accordingly, the second cable 29 is always pulled toward the shoe member 25 by the spring 94 in the housing portion 25a. Thereby, even if a rotation difference and expansion / contraction of the outer tube 92 occur between the two drums 26, the second cable 29 is not easily loosened. A stopper 95 is attached to the guide rail 16 in accordance with the arrangement of the shoe member 25 of the light shielding sheet 22 in the unfolded state.

The front shade mechanism 30 similarly has the structure shown in FIGS. Those structures are basically explained in the same manner as the rear shade mechanism 20 by changing the front-rear direction.

Next, the effect of the first embodiment will be described.
(1) The sunroof device has a sunroof specification in which the front panel 13 opens and closes the front part of the opening 11a and the rear panel 14 closes the rear part of the opening 11a. It can be improved further.

(2) Both the motor 41 and the urging member 42 are built in the winding tube 21. As a result, basically, it is sufficient that the second edge portion 22 b of the light shielding sheet 22, that is, the space corresponding to the vertical dimension of the handle member 24, is spread behind the winding tube 21. For this reason, it is possible to form the recess 12 while suppressing the influence on the operation of the light shielding sheet 22. That is, since the vertical dimension required for the second edge portion 22b of the light shielding sheet 22 is small, the rear shade mechanism 20 can be installed even if the center portion in the vehicle width direction of the roof panel 11 is recessed by the recess 12. It is.

Further, as shown in FIG. 14, even if the second edge 22b of the light shielding sheet 22 in the unfolded state, that is, the rear end of the opening 11a is positioned on the head H of the passenger in the rear seat, Since there is no need to arrange a motor, a sufficient space near the head H can be secured. For this reason, the lighting opening amount of the rear panel 14 can be sufficiently secured, and a feeling of opening can be further obtained. Therefore, the merchantability as a sunroof device can be further improved.

(3) Although the sunroof device includes the motor 41 that unwinds the light shielding sheet 22, the rotation of the motor 41 does not synchronize with the rotation of the winding tube 21, and the first cable 28 is connected to both the drums 26. It is configured to wind up. For this reason, even if a rotation difference occurs between the left and right drums 26 when the light shielding sheet 22 is deployed and they are not synchronized, the first cable 28 is adjusted so as to move evenly with respect to the light shielding sheet 22. The light shielding sheet 22 can be moved in parallel in the front-rear direction. For this reason, it can suppress that a wrinkle arises in the light shielding sheet 22. FIG.

(4) When the second cable 29 is wound along with the rotation of each drum 26 in the reverse direction, the operation member 23 moves forward together with the second edge 22 b of the light shielding sheet 22. At this time, the winding tube 21 rotates while maintaining the tension of the light shielding sheet 22 by the urging force of the urging member 42. For this reason, when the light shielding sheet 22 is wound, the light shielding sheet 22 is unlikely to wrinkle.

(5) The urging member 42 urges the winding tubes 21 and 31 in the rotational direction in which the light shielding sheets 22 and 32 are wound. Thereby, it is hard to produce wrinkles in the light shielding sheets 22 and 32.
(6) If it is the same vehicle type, the recessed part 12 can be formed irrespective of a sunroof specification and a normal specification. Therefore, aerodynamic performance can be exhibited equally while reducing the design difference due to the difference in specifications.

(Second Embodiment)
Hereinafter, a second embodiment of the sunroof device will be described. Since 2nd Embodiment is the structure which changed the roll shade system of 1st Embodiment, the detailed description is abbreviate | omitted about the same part.

As shown in FIG. 16, the sunroof device of the second embodiment also includes a pair of guide rails 116, a front housing 117, a rear housing 118, and a center housing 119 according to the first embodiment.

A shade mechanism 130 is disposed in the opening 11a. That is, the shade mechanism 130 has a substantially cylindrical winding tube 131 as a winding shaft. The winding tube 131 extends in the vehicle width direction along the rear housing 118. The winding tube 131 is disposed below the rear edge of the rear panel 14 as the second position. The outer diameter of the winding tube 131 is set smaller than the outer diameter of the winding tubes 21 and 31. The winding tube 131 is rotatably supported around an axis extending in the vehicle width direction.

A light shielding sheet 132 is fixed to the winding tube 131. The light shielding sheet 132 is in an unfolded state where light passing through the front panel 13 and the rear panel 14 is blocked, or in a winding state allowing light to pass. A first edge 132 a which is a rear edge of the light shielding sheet 132 is fixed to the winding tube 131. The light shielding sheet 132 can be wound and unwound with respect to the rotating winding tube 131.

On the other hand, the second edge portion 132 b which is the front edge portion of the light shielding sheet 132 is fixed to the operation member 133. The operation member 133 extends in the vehicle width direction so as to be bridged between the guide rails 116 in front of the winding tube 131. The operation member 133 includes a substantially long handle member 134 straddling between both guide rails 116 and a pair of slide members disposed on both guide rails 16 so as to be attached to both end portions in the longitudinal direction of the handle member 134. Of the shoe member 135. The second edge portion 132b of the light shielding sheet 132 is fixed to the operation member 133 at the handle member 134 extending along the second edge portion 132b.

The handle member 134 moves forward (first direction) while the shoe members 135 of the operation member 133 slide on the guide rails 116. In this case, the light shielding sheet 132 is unwound from the winding tube 131 so as to block light passing through the front panel 13 and the rear panel 14. Alternatively, the handle member 134 of the operation member 133 moves rearward (second direction). In this case, the light shielding sheet 132 is wound around the winding tube 131 so as to allow passage of light passing through the front panel 13 and the rear panel 14.

A substantially frustoconical drum 136 disposed coaxially with the winding tube 21 is fixed to each end of the winding tube 131 by an adhesive. For this reason, the drum 136 rotates integrally with the winding tube 131. A pulley 137 is supported at each end of the front housing 117 in front of each guide rail 116 so as to be rotatable about an axis extending in the vertical direction.

A cable 138 is fixed to each of the shoe members 135 of the operation member 133. The cable 138 is fixed to a connecting portion 138a arranged on the shoe member 135 along the vehicle width direction. The cable 138 extends forward at the outer end of the connecting portion 138a, and turns so as to extend rearward after being hooked on the pulley 137 from the inside. A terminal 138 b of the cable 138 extending rearward is fixed to the drum 136 so that it can be wound and unwound from the drum 136.

The winding direction of the cable 138 around the drum 136 is opposite to the winding direction of the light shielding sheet 132 around the winding tube 131. That is, when the winding tube 131 is rotating so as to wind the light shielding sheet 132, the cable 138 is unwound from each drum 136. At this time, the unwinding position of the cable 138 is displaced from the smaller diameter side of each drum 136 toward the larger side, that is, from the inner side to the outer side of each drum 136. This is because the roll diameter of the light shielding sheet 132 increases as the winding of the light shielding sheet 132 progresses, so that the cable 138 increases in accordance with the winding amount of the light shielding sheet 132 per rotation of the winding tube 131. This is to increase the unwinding amount.

A worm wheel 147 as a driven gear is fixed to one end portion (lower side in the figure) of the winding tube 131 adjacent to the outside of the drum 136. The worm wheel 147 is fixed to the winding tube 131 by an adhesive so as to rotate integrally with the winding tube 131. A motor 141 as an electrical drive source is placed adjacent to the worm wheel 147 at one end (the lower side in the figure) of the rear housing 118 in the vehicle width direction. A worm 148 is fixed to the rotating shaft of the motor 141 as a drive gear that meshes with the worm wheel 147. Accordingly, the worm wheel 147 is rotationally driven by the motor 141 together with the winding tube 131 and both drums 136.

When the worm wheel 147 is rotated in one direction together with the winding tube 131 and the two drums 136 by the motor 141 in the winding state of the light shielding sheet 132, the terminals 138b of both cables 138 are wound around the two drums 136. As a result, both shoe members 135 move forward while sliding on both guide rails 116, and the second edge 132 b of the light shielding sheet 132 moves forward. Thus, the light shielding sheet 132 is unwound from the winding tube 131. Accordingly, the light shielding sheet 132 blocks part of the light passing through the front panel 13 and the rear panel 14 according to the amount of movement of the second edge 132b. When the handle member 134 moves forward to the vicinity of the front housing 117 to the maximum extent, the light shielding sheet 132 blocks light passing through the front panel 13 and the rear panel 14.

When the worm wheel 147 is driven to rotate in the reverse direction together with the winding tube 131 and the two drums 136 by the motor 141, the light shielding sheet 132 is wound around the winding tube 131 and the terminals 138b of both cables 138 are unwound. As a result, the operation member 133 fixed to the second edge portion 132 b of the light shielding sheet 132 moves rearward while sliding the shoe members 135 on the guide rails 116. Then, when the operation member 133 moves rearward to the vicinity of the rear housing 118 to the maximum extent, the light shielding sheet 132 allows light to pass through the front panel 13 and the rear panel 14.

Next, the winding tube 131 and its peripheral structure will be described.
As shown in FIGS. 17 and 18, a substantially L-shaped bracket 151 is attached to each guide rail 116 adjacent to the outside of the drum 136. The bracket 151 is formed with a substantially circular bearing hole 151a that is concentric with the winding tube 131 and opens in the vehicle width direction. The inner diameter of the bearing hole 151 a is equal to the outer diameter of the winding tube 131. The winding tube 131 is rotatably supported by the bracket 151 by being inserted into the bearing hole 151a.

The worm wheel 147 is arranged adjacent to the outside of the corresponding bracket 151. That is, the bracket 151 is interposed between the drum 136 and the worm wheel 147 in the vehicle width direction. The worm 148 of the motor 141 meshes with the worm wheel 147 from below.

Next, the operation member 133 and its peripheral structure will be described.
As shown in FIG. 19, each shoe member 135 is formed with an accommodating portion 135 a that is substantially concentric with the connecting portion 138 a of the cable 138. A cable end 138c that is slidable in the vehicle width direction in the housing portion 135a is fixed to the tip of the connecting portion 138a that has entered the housing portion 135a. Further, an urging member 142 such as a compression coil spring is wound around the distal end portion of the connecting portion 138a located in the accommodating portion 135a. The urging member 142 is interposed between the wall surface of the accommodating portion 135a and the cable end 138c. The urging member 142 urges the cable end 138 c to move inward, that is, urges the cable 138 in the direction of unwinding from the drum 136. The direction in which the cable 138 is unwound from the drum 136 coincides with the direction in which the second edge 132b of the light shielding sheet 132 moves rearward.

Next, the attachment structure of the pulley 137 will be described.
As shown in FIG. 20, a substantially flat bracket 161 made of, for example, a metal plate is placed at each end of the front housing 117 in the vehicle width direction in accordance with the arrangement of the pulley 137. The bracket 161 is formed with a mounting hole 161a that opens in the vertical direction. The attachment hole 161a has a substantially oblong elongated hole shape extending in the front-rear direction. The pulley 137 is fastened to the front housing 117 and is rotatably supported by the front housing 117 in a state where a fastener 162 such as a bolt passes through the center of the pulley 137 and is inserted into the mounting hole 161a of the bracket 161. Is done. Therefore, the attachment position of the pulley 137 with respect to the bracket 161 can be adjusted in the front-rear direction within the range of the attachment hole 161a. This is for adjusting the tension of the cable 138 by expanding and contracting the distance in the front-rear direction of the drum 136 and the pulley 137 in the assembly process of the shade mechanism 130. When the attachment position of the pulley 137 is moved relatively forward, the tension of the cable 138 increases. On the contrary, if the attachment position of the pulley 137 is moved relatively backward, the tension of the cable 138 is reduced.

As described above, according to the second embodiment, the following effects can be obtained in addition to the effects (1) and (6) in the first embodiment.
(1) Both the motor 141 and the urging member 142 are provided outside the winding tube 131. Thereby, the outer diameter of the winding tube 131 can be reduced within a range that does not affect the winding of the light shielding sheet 132. For this reason, the outer diameter of the light shielding sheet 132 in the wound state is also smaller. Therefore, the vertical space required below the rear edge (second position) of the rear panel 14 can be further reduced. Therefore, the recess 12 can be formed while suppressing the influence on the operation of the light shielding sheet 132. That is, even if the center portion in the vehicle width direction of the roof panel 11 is recessed by the recess 12, the shade mechanism 130 can be installed because the vertical dimension required for the light-shielding sheet 132 in the wound state is small. . Thereby, what is called a 1 opening shade which opens and closes wide opening 11a with one shade mechanism 130 is realizable.

Further, as shown in FIG. 21, even when the light-shielding sheet 132 in the wound state is positioned on the head H of the passenger in the rear seat, a sufficient space for the head H can be secured. For this reason, the lighting opening amount of the rear panel 14 can be sufficiently secured, and a feeling of opening can be further obtained. Therefore, the merchantability as a sunroof device can be further improved.

(2) When the light shielding sheet 132 is unwound from the winding tube 131 so as to be unfolded, the motor 141 rotates the drum 136 so that the drum 136 winds up the cable 138. That is, the motor 141 is driven so that the second edge 132b moves forward to bring the light shielding sheet 132 into the unfolded state. At this time, the urging member 142 provided on the shoe member 135 urges the cable 138 so that the cable 138 is unwound from the drum 136. That is, the urging member 142 urges the cable 138 so that the second edge 132b of the light shielding sheet 132 moves rearward. For this reason, when the light shielding sheet 132 is deployed, the winding tube 131 rotates while maintaining the tension state of the light shielding sheet 132. For this reason, the light shielding sheet 132 is difficult to loosen and wrinkles are unlikely to occur.

(3) When the pulley 137 is attached, the tension of the cable 138 can be adjusted by expanding / contracting the separation distance between the pulley 137 and the drum 136. For this reason, the tension of the left and right cables 138 can be set to be equal to each other, and both the shoe members 135 can be moved in the front-rear direction in synchronization. Therefore, the posture at the time of movement of the handle member 134 and the second edge 132b of the light shielding sheet 132 can be further stabilized.

(4) When the light shielding sheet 132 is unfolded, both the cables 138 are adjusted by the two biasing members 142 even if there is a rotational difference between the left and right drums 136 that wind up the two cables 138 and they are not synchronized. The second edge 132b of the light shielding sheet 132 can be moved in parallel in the front-rear direction.

The above embodiment may be modified as follows.
As shown in FIG. 15, the recess 112 formed at the center in the vehicle width direction of the roof 110 according to the roof 10 extends beyond the rear end of the roof panel 111 to the rear end of the rear panel 114. Also good. That is, a part of the recess 112 may be formed on the rear panel 114. The recess (112) may extend beyond the rear panel 114 to the rear end of the front panel (13).

In the first embodiment, the second cable 29 may be omitted. In this case, a motor that directly rotates the winding tube 21 in the rotation direction in which the light shielding sheet 22 is wound may be incorporated in the winding tube 21.

In the first embodiment, the first cable 28 may be omitted. In this case, a motor that directly rotates the winding tube 21 in the rotation direction for unwinding the light shielding sheet 22 may be built in the winding tube 21.

In the first embodiment, at least one of the rear shade mechanism 20 and the front shade mechanism 30 may be omitted.
In the second embodiment, at least one of the drum 136 and the worm wheel 147 may be coupled to the winding tube 131 by welding.

-In 2nd Embodiment, you may form in the handle member 134 accommodating parts 135a, such as the cable end 138c.
In the second embodiment, in order to transmit the rotation between the winding tube 131 and the motor 141, a gear mechanism other than the worm gear, a link mechanism, a cam mechanism, a cable (rope, belt) transmission mechanism, a screw mechanism, or these You may employ | adopt the combination of these.

In the second embodiment, the winding tube 131 may be a winding tube arranged below the front edge of the front panel 13 (first position). In this case, the first edge 132 a of the light shielding sheet 132 is connected to the winding tube 131. In this case, the light shielding sheet 132 is in an unfolded state in which light passing through the front panel 13 and the rear panel 14 is blocked as the second edge 132b moves rearward (first direction), or the second edge 132b With the movement of the part 132b in the forward direction (second direction), a winding state allowing the passage of light is obtained.

In each embodiment, the front panel 13 may be a fixed panel that always closes the front portion of the opening 11 a according to the rear panel 14.
In each embodiment, the rear panel 14 may be a movable panel that can freely open and close the rear portion of the opening 11 a according to the front panel 13.

In each embodiment, the rear panel 14 that closes the rear portion and the rear portion of the opening 11a may be omitted. That is, the roof panel 11 may be a roof panel that extends forward to the rear end of the front panel 13. In this case, the recess formed in the rear end portion of the central portion of the roof in the vehicle width direction may extend to the rear end portion of the front panel 13.

-In each embodiment, it is preferable that the inclination | tilt angle of the recessed parts 12 and 112 is around 15 degree | times with respect to a running direction (ground).
In each embodiment, the front panel 13 or the rear panel 14 may be normal inorganic glass. Alternatively, the front panel 13 or the rear panel 14 may be tempered glass in which a compressive stress layer is formed by blowing air on the surface of a plate glass in a heated state and rapidly cooling it. Alternatively, the front panel 13 or the rear panel 14 may be chemically strengthened glass in which a compressive stress layer is formed by causing ion exchange on the surface of the plate glass. Alternatively, the front panel 13 or the rear panel 14 may be a resin glass such as a polycarbonate resin or an acrylic resin.

Claims (5)

A roof panel having an opening and a roof having a panel for closing the opening;
A sunroof device in which a concave portion recessed downward is formed at a central portion in a vehicle width direction at a rear end portion of the roof. The sunroof device according to claim 1,
The panel comprises a front panel and a rear panel arranged side by side in the longitudinal direction of the vehicle,
The sunroof device includes a front shade mechanism and a rear shade mechanism that are respectively disposed below the front panel and the rear panel,
The rear shade mechanism is
A winding shaft disposed below a boundary between the front panel and the rear panel;
Light having a first edge connected to the winding shaft and a second edge opposite to the first edge, and passing through the rear panel as the second edge moves backward. A light-shielding sheet that is in a rolled-out state that allows the passage of the light with the forward movement of the second edge,
An electric drive source that is built in the winding shaft and that drives the second edge of the light shielding sheet to move backward;
A sunroof device comprising: a biasing member built in the winding shaft and biasing so that the second edge of the light shielding sheet moves forward. The sunroof device according to claim 2,
The rear shade mechanism is
An operation member fixed to the second edge of the light shielding sheet;
A pair of drums coaxial with the winding shaft and disposed on both sides in the vehicle width direction, and driven to rotate by the pair of electrical drive sources;
A pair of turning members disposed on both sides of the opening in the vehicle width direction;
The operation member is adjustably locked, extends rearward from both end portions of the operation member, turns forward at the turning members, and has both ends fixed to the drums, A sunroof device comprising: a cable for moving the operation member backward so as to wind up the light-shielding sheet by being wound up along with rotation of both drums in one direction. In the sunroof device according to claim 3,
The rear shade mechanism is
A first terminal fixed to each of both end portions of the operating member; and a second terminal provided on the opposite side of the first terminal and fixed to each drum, The operation member that unwinds the light shielding sheet by being unwound along with the rotation in the one direction is allowed to move backward, and the operation is performed by being wound along with the rotation of each drum in the reverse direction. A sunroof device having a second cable for moving the member forward. The sunroof device according to claim 1,
The panel comprises a front panel and a rear panel arranged side by side in the longitudinal direction of the vehicle,
The sunroof device includes a shade mechanism disposed below the front panel and the rear panel,
The shade mechanism is
A winding shaft disposed at one of a first position below the front edge of the front panel and a second position below the rear edge of the rear panel;
The first edge connected to the take-up shaft disposed at the first position, and the second edge on the opposite side of the first edge, and the second in the first direction which is the rear. A winding state in which the light passing through the front panel and the rear panel is blocked with the movement of the edge, and the light is allowed to pass with the movement of the second edge in the second direction, which is the front. A first edge connected to the take-up shaft arranged at the second position, and a second edge opposite to the first edge, and being in front As the second edge moves in one direction, the light passes through the front panel and the rear panel is unfolded, and as the second edge moves in the rearward second direction, A light-shielding sheet that is one of the winding states that allow light to pass through;
An electrical drive source that is provided outside the winding shaft and that drives the second edge of the light shielding sheet to move in the first direction;
A sunroof device comprising: an urging member that is provided outside the winding shaft and urges the second edge portion of the light shielding sheet to move in the second direction.

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