JP2008149881A - Sun visor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a sun visor which suppresses a reflection of a dashboard while securing a view of an upper part of a windshield glass. <P>SOLUTION: Light shielding plates 30 disposed in a blocking position are capable of blocking the view of the upper part of the windshield glass 11, and further, by rotating a grip part 31 and moving all the light shielding plates 30 to an opening position in which the light shielding plates become substantially horizontal, the view of the upper part of the windshield glass 11 can be secured while maintaining the light-shielded state. Further, by adopting an opaque material for the light shielding plates 30, reflection efficiency of the light shielding plates 30 can be made low, and the reflection of the dashboard inside the vehicle can be suppressed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a shading sun visor provided in a vehicle such as an automobile.

  A sun visor is provided in the vicinity of the upper part of the windshield glass of the vehicle in order to block light from the outside during traveling of the vehicle, and the occupant can change the degree of light shielding by appropriately changing the position of the sun visor.

In view of this, a sun visor has been proposed in which the sun visor is a translucent member, and the light shielding function can be maintained while ensuring the field of view. (Patent Document 1)
JP-A-8-2251

  However, this light shielding plate has high reflection efficiency, and sunlight incident from the windshield glass is reflected by a dashboard or the like in the vehicle, and this reflected light may be reflected on the light shielding plate.

  An object of the present invention is to provide a sun visor that suppresses reflection of a dashboard or the like while ensuring the field of view of the upper part of the windshield glass in consideration of the above facts.

  A sun visor according to claim 1 of the present invention is formed of a pair of rail members provided on a vehicle body so as to be movable from a non-use position to a use position, and the pair of rail members, and is formed of an opaque member. A plurality of light shielding plates, and a moving means for moving the plurality of light shielding plates to an open position that secures a field of view above the windshield glass and a closed position that blocks the field of view above the windshield glass. And

  According to the above configuration, the plurality of light shielding plates that shield the light from the outside are suspended between the pair of rail members provided on the vehicle body so as to be movable from the non-use position of the sun visor to the use position. .

  Further, the moving means supports the light shielding plate so as to be movable between an open position for securing the field of view above the windshield glass and a closed position for shielding the field of view above the windshield glass.

  In other words, by moving the rail member from the non-use position to the use position and moving the light shielding plate to the closed position by the moving means, it is possible to block the field of view of the upper part of the windshield glass, and further, the light shielding plate is opened by the moving means. By moving to the position, it is possible to secure the field of view of the upper part of the windshield glass while maintaining the light shielding state.

  Further, by using an opaque material for the light shielding plate, the reflection efficiency of the light shielding plate can be lowered, and reflection of a dashboard or the like in the vehicle can be suppressed.

  The sun visor according to a second aspect of the present invention is the sun visor according to the first aspect, wherein the moving means is a rotating means for rotating the plurality of light shielding plates, and the rotating means includes both ends of the light shielding plate. A first rotating means that rotatably supports the rail member on the rail member, a connecting member that is movably provided along the rail member, and the first rotating means. And a second rotating means for rotatably supporting both end portions of the connecting member on the connecting member.

  According to the said structure, the 1st rotation means is supporting the both ends of a light-shielding plate, and a rail member so that rotation is possible, Furthermore, the 2nd rotation means provided along with the 1st rotation means is further provided. The both ends of the connecting member and the light shielding plate, which are movably provided along the rail member, are rotatably supported. Thereby, a some light shielding plate is connected with a connection member via a 2nd rotation means.

  Therefore, when one light shielding plate is rotated to the closed position or the open position, the connecting member moves along the rail member via the second rotating means, and all the light shielding plates are centered on the first rotating means. Rotate to the closed position or open position.

  The sun visor according to claim 3 of the present invention is the sun visor according to claim 2, wherein the first rotating means is provided on the shaft pins provided at both ends of the light shielding plate and the rail member, and the shaft pins rotate. A shaft hole that can be inserted, and the second rotating means is provided at a moving pin provided alongside the shaft pin at both ends of the light shielding plate, and provided at the connecting member, and the moving pin is rotated. A moving hole that is movably inserted.

  According to the said structure, the axial pin provided in the both ends of the light shielding plate was rotatably inserted in the axial hole provided in the rail member, and was further provided in the both ends of the light shielding plate along with the axial pin. A moving pin is rotatably inserted into the moving hole of the connecting member. Accordingly, when the connecting member is moved, all the light shielding plates are rotated about the shaft pins via the moving pins inserted into the moving holes, and are rotated to the open position or the closed position.

  The sun visor according to claim 4 of the present invention is the sun visor according to claim 3, wherein the rail member is provided with a storage recess for movably storing the connecting member, and the shaft hole is formed in the first wall of the storage recess. It is formed.

  According to the above configuration, the rail member is provided with the storage recess for storing the connecting member so as to be movable, and the shaft hole is formed in the first wall of the storage recess. That is, since the connecting member is accommodated in the housing recess and the shaft pin of the light shielding plate is inserted into the shaft hole formed in the first wall of the housing recess, the gap between the rail member and the light shielding plate can be narrowed. Thereby, the light which leaks from the both ends of a light-shielding plate and the clearance gap between rail members can be reduced.

  The sun visor according to claim 5 of the present invention is the sun visor according to claim 4, wherein when the light shielding plate is rotated from the closed position, the connecting member hits a second wall constituting the storage recess, and the light shielding plate is It stops at the open position.

  According to the above configuration, when the light shielding plate is rotated from the closed position toward the open position, the connecting member hits the second wall constituting the housing recess, and the light shielding plate stops at the open position. For this reason, it is not necessary to separately provide a member for stopping the light shielding plate at the open position.

  According to the sun visor of the present invention, reflection of a dashboard or the like can be suppressed while ensuring the field of view of the windshield glass upper part.

  A sun visor 20 according to an embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 4, a storage space 16 is formed between the ceiling interior material 12 that forms the ceiling portion 10 in the vehicle compartment and the roof panel 14 that forms the outer surface of the vehicle.

  Further, the storage space 16 is provided with a sun visor 20 for light shielding. The sun visor 20 is moved from the storage position (non-use position) stored in the storage space 16 to the use position (see FIG. 2).

  Specifically, as shown in FIG. 5, the sun visor 20 is provided with a fixing plate 22 that retains the shape of the sun visor 20. At both ends in the vehicle width direction of the fixing plate 22, a longitudinal direction is provided. A rail member 24 having a substantially rectangular cross section at right angles extends in an arc shape along the moving direction of the sun visor 20 and is integrally provided. Driving devices 50 fixed to a frame (not shown) are provided in the storage space 16 on the outer side in the vehicle width direction of these rail members 24.

  As shown in FIGS. 4 and 7, one substrate 51 of these drive devices 50 is provided with a motor 49 as a drive source. A drive gear 52 is provided on the drive board 51 so as to face the vehicle width direction. Further, behind the drive gear 52, a rotation shaft is directed in the vehicle width direction, and a guide roll 54 having a convex portion 54 </ b> A at an intermediate portion in the axial direction and a cylindrical idle roll 56 are rotatable on the drive substrate 51. It is supported by.

  As shown in FIG. 7, these drive gears 52 are fixed to a rod 58 that is stretched over a substrate 51 that is disposed oppositely, and the two drive gears 52 that are disposed oppositely are rotationally driven in synchronization. It is configured as follows. Further, the upper surfaces of the pair of rail members 24 are respectively positioned below the drive gears 52. Further, a rack gear 18 extending in the moving direction is formed on the upper surface of the rail member 24, and the rack gear 18 meshes with the drive gear 52 to receive a driving force.

  As shown in FIG. 5, the upper surface of the rail member 24 is in contact with the guide roll 54 disposed behind the drive gear 52, and the convex portion 54 </ b> A of the guide roll 54 is formed on the upper surface of the rail member 24. Provided in the recess 26 extending in the moving direction. That is, since the convex portion 54A fits into the concave portion 26 and the rotational force of the guide roll 54 is transmitted to the rack gear 18 by frictional force, the rail member 24 moves.

  Further, an idle roll 56 provided below the guide roll 54 is in contact with the lower surface of the rail member 24. In other words, the guide roll 54 and the drive gear 52 are brought into contact with the upper surface of the rail member 24 placed on the idle roll 56 to maintain the movement posture of the sun visor 20 at three points, and the rail member 24 is curved. It can be moved up.

  Further, a convex stopper 28 extending in the vehicle width direction is provided on the upper surface of the rear end of the rail member 24. As shown in FIG. 2, when the sun visor 20 is moved to the use position, the stopper 28 is guided by the guide roll. At 54, the sun visor 20 stops.

  Further, as shown in FIG. 7, nine flat light-shielding plates 30 are arranged between the pair of rail members 24 so that the longitudinal direction thereof is directed in the vehicle width direction and aligned with each other in the moving direction of the sun visor 20. Has been. These light shielding plates 30 are formed of an opaque resin material (for example, PP, AAS).

  Further, in the state where the light shielding plate 30 is disposed at the closed position shown in FIG. 2, the front end portion of the light shielding plate 30 disposed at the rear portion is disposed so as to overlap the rear end portion of the light shielding plate 30 disposed at the front portion. The light from outside the vehicle is completely blocked.

  Further, as shown in FIG. 8, a cylindrical shaft pin 32 extends integrally with the light shielding plate 30 to the outside in the vehicle width direction at the rear portion of the short sides (both ends) of the light shielding plates 30. . Further, a columnar moving pin 34 is aligned with the shaft pin 32 in front of the shaft pin 32 and extends outward in the vehicle width direction integrally with the light shielding plate 30.

  The inner walls of the pair of rail members 24 facing each other are provided with storage recesses 36 that are curved along the shape of the rail members 24, and the shaft pins 32 are provided on the standing walls 36 </ b> A of the storage recesses 36 that face the vehicle width direction. Is provided with a shaft hole 40 into which is rotatably inserted.

  Further, in the housing recess 36, a connecting member 42 extending along the rail member 24 is housed so as to be movable by a slight amount in the longitudinal direction. In the connecting member 42, a seat 46 provided with a moving hole 44 for rotatably supporting the moving pin 34 extends downward. That is, nine seats 46 that support the nine moving pins 34 are provided on the connecting member 42.

  With this configuration, when the connecting member 42 is moved upward in the vehicle, all the light shielding plates 30 are simultaneously rotated around the shaft pin 32 via the moving pin 34 inserted into the moving hole 44, and are opened or closed. It is designed to rotate.

  Further, when the light shielding plate 30 is rotated toward the open position, the connecting member 42 moves in parallel toward the lateral wall 36B that constitutes the housing recess 36, and the connecting member 42 contacts the lateral wall 36B. It stops at the open position. Further, a resistance member (for example, a non-woven fabric) (not shown) is provided between the shaft pin 32 and the shaft hole 40, and the light shielding plate 30 has the resistance member, the shaft pin 32, and the resistance in the open position or other arbitrary positions. It is held by the frictional force between the member and the shaft hole 40.

  When the light shielding plate 30 arranged at the closed position shown in FIG. 2 is rotated counterclockwise (in the direction of arrow B shown in FIG. 2) about the shaft pin 32, it is provided on the pair of rail members 24. The cylindrical protrusion 25 (see FIG. 8) hits the connecting member 42 so that the light shielding plate 30 does not rotate counterclockwise.

  Furthermore, a grip portion 31 made of a large arc (for example, R3.5 mm) when viewed from the longitudinal direction is provided at the front end edge of the light shielding plate 30 disposed in the forefront, and is used for gripping the occupant. ing.

  Moreover, since the connecting member 42, the shaft pin 32, and the moving pin 34 are stored in the storage recess 36 of the rail member 24, the rail member is compared with a configuration in which the storage recess 36 is not provided. The gap in the vehicle width direction between 24 and the light shielding plate 30 can be narrowed. Thereby, the light leaking from the gap between the both end portions of the light shielding plate 30 and the rail member 24 can be reduced.

  Next, the operation of the sun visor 20 will be described.

  As shown in FIG. 4, in order to move the sun visor 20 from the state where the sun visor 20 is disposed in the storage position stored in the storage space 16 to the use position, the occupant operates the sun visor operation switch 60. Further, the sun visor operation control unit that receives the operation signal of the sun visor operation switch 60 rotates the motor 49, and this rotational force is transmitted to the drive gear 52. Thus, the drive gear 52 rotates in the direction of arrow C and moves the sun visor 20 including the rack gear 18 that meshes with the drive gear 52 to the front of the vehicle.

  As shown in FIG. 7, since the drive gears 52 provided at both ends are connected by rods 58, the drive gears 52 at both ends rotate by the same amount at the same speed. For this reason, the sun visor 20 does not tilt in the vehicle width direction.

  Further, as shown in FIG. 5, a guide roll 54 is provided on the upper surface of the rail member 24 so as to follow and rotate in contact with the upper surface of the rail member 24, and the lower surface of the rail member 24 is connected to the lower surface of the rail member 24. An idle roll 56 that rotates in contact with the sun visor 20 is provided so that the drive gear 52 can move the sun visor 20 while maintaining the movement posture of the sun visor 20.

  Further, the guide roll 54 is provided with a convex portion 54 </ b> A that meshes with the concave portion 26 provided on the upper surface of the rail member 24 and rotates. For this reason, the sun visor 20 can be moved to the use position without the sun visor 20 being displaced in the vehicle width direction.

  Further, as shown in FIG. 3, when the occupant switches the sun visor operation switch 60 to the OFF state in the middle, the movement of the sun visor 20 stops, so that the occupant stops the sun visor 20 at an optimal position according to the situation. Can do.

  Further, when the occupant switches the sun visor operation switch 60 to the ON state, as shown in FIG. 2, the stopper 28 provided at the rear end of the rail member 24 and the guide roll 54 come into contact with each other, so that the sun visor 20 is in the use position. Stop.

  The light shielding plate 30 of the sun visor 20 stopped at the use position is disposed at the closed position, and the plate plane of the light shielding plate 30 faces the eyes of the driver. However, since the light shielding plate 30 of the present embodiment is formed of an opaque resin material, the reflection efficiency of the light shielding plate 30 is reduced, and reflection on a plate plane such as a dashboard can be suppressed.

  Further, when it is desired to secure the field of view of the upper part of the windshield glass 11, the occupant rotates the grip portion 31 of the foremost light shielding plate 30 clockwise, so that the connecting member 42 moves upward in the vehicle. When the connecting member 42 moves, all the light shielding plates 30 can be rotated about the shaft pin 32 via the moving pin 34 inserted into the moving hole 44 and moved to the open position shown in FIG. Thus, all the light shielding plates 30 can be rotated between the closed position and the open position with a simple structure without using complicated gears and belts.

  Further, since the light shielding plate 30 stops at the open position when the connecting member 42 contacts the horizontal wall 36B, the light shielding plate 30 can be stopped at the open position without using a special device.

  Moreover, since all the light shielding plates 30 are in a substantially horizontal state at the open position, it is possible to secure the field of view of the upper portion of the windshield glass 11 from between the adjacent light shielding plates 30, and further, the sunlight from above is obtained. The light can be shielded by the plate plane of the light shielding plate 30.

  Further, since a resistance member (for example, non-woven fabric) (not shown) is provided between the shaft pin 32 and the shaft hole 40 of the light shielding plate 30, the light shielding plate 30 can be held at the open position by frictional force. Furthermore, even if the occupant appropriately adjusts the angle of the light shielding plate 30, the light shielding plate 30 can be held at that position.

  Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to such embodiments, and various other embodiments are possible within the scope of the present invention. It is clear to the contractor. For example, in the above-described embodiment, the shaft pin 32 is provided on the light shielding plate 30, the shaft hole 40 is provided on the rail member 24, and the light shielding plate 30 is rotatably supported on the rail member 24. A shaft hole or the like may be provided in the plate 30 and a shaft pin or the like may be provided in the rail member 24 to support the light shielding plate 30 in a rotatable manner.

  In the above embodiment, the driving force of the motor 49 is used to move the sun visor 20 from the storage position to the use position. However, even if the sun visor 20 is manually moved from the storage position to the use position without providing the motor 49. Good.

  Moreover, in the said embodiment, although the light-shielding plate 30 was rotated and moved between the obstruction | occlusion position and an open | release position, the light-shielding plate 30 arrange | positioned in the obstruction | occlusion position is moved by other moving means, such as sliding to a plate | board plane direction. The light shielding plate 30 may be moved between the closed position and the open position.

  In the above embodiment, the sun visor 20 is pulled out from the storage space 16. However, instead of this, a hinge member is provided in the vicinity of the ceiling interior material 12 of the sun visor 20 arranged at the use position, and the sun visor 20 is hinged. It is good also as a structure which rotates to a member center and moves to the non-use position which overlaps inside the ceiling interior material 12. FIG.

1 is a cross-sectional side view illustrating a configuration of a sun visor according to an embodiment of the present invention, in which a sun visor is in a use position and a light shielding plate is in an open position. 1 is a cross-sectional side view illustrating a configuration of a sun visor according to an embodiment of the present invention, in which a sun visor is in a use position and a light shielding plate is in a closed position. FIG. 2 is a cross-sectional side view showing the configuration of the sun visor according to the embodiment of the present invention, in which the sun visor is disposed between the storage position and the use position, and the light shielding plate is in the closed position. 1 is a cross-sectional side view illustrating a configuration of a sun visor according to an embodiment of the present invention, in which a sun visor is in a storage position and a light shielding plate is in a closed position. It is the perspective view which showed the structure of the sun visor which concerns on embodiment of this invention, and showed the state which has a sun visor in the accommodation position and the light-shielding plate in the obstruction | occlusion position. It is the perspective view which showed the structure of the sun visor which concerns on embodiment of this invention, and showed the state which has a sun visor in a use position and a light-shielding plate in an open position. It is the disassembled perspective view which showed the structure of the sun visor which concerns on embodiment of this invention. It is the expansion disassembled perspective view which showed the structure of the sun visor which concerns on embodiment of this invention, and showed the axial pin, the movement pin, etc.

Explanation of symbols

11 Windshield glass 20 Sun visor 24 Rail member 30 Light shielding plate 32 Axial pin (first rotation means)
34 Moving pin (second turning means)
36 Storage recess 36A Standing wall (first wall)
36B Side wall (second wall)
40 Shaft hole (first turning means)
42 Connecting member (turning means)
44 Movement hole (second turning means)

Claims (5)

A pair of rail members provided on the vehicle body to be movable from a non-use position to a use position;
A plurality of light-shielding plates that are spanned between the pair of rail members and formed of an opaque member;
Moving means for moving the plurality of light shielding plates to an open position that secures a view of the upper part of the windshield glass and a closed position that shields the view of the upper part of the windshield glass;
Sun visor characterized by comprising. The moving means is a rotating means for rotating the plurality of light shielding plates,
The rotating means is
First rotating means for rotatably supporting both ends of the light shielding plate on the rail member;
A connecting member provided movably along the rail member;
A second rotating means provided side by side with the first rotating means and rotatably supporting both ends of the light shielding plate on the connecting member;
The sun visor according to claim 1, comprising: The first rotating means includes
Shaft pins provided at both ends of the light shielding plate;
A shaft hole provided in the rail member, into which the shaft pin is rotatably inserted, and
The second rotating means includes
A moving pin provided alongside the shaft pin at both ends of the light shielding plate;
A moving hole provided in the connecting member, into which the moving pin is rotatably inserted;
The sun visor according to claim 2, further comprising:   4. The sun visor according to claim 3, wherein the rail member is provided with a storage recess for storing the coupling member in a movable manner, and the shaft hole is formed in the first wall of the storage recess.   5. The sun visor according to claim 4, wherein when the light shielding plate is rotated from the closed position, the connecting member comes into contact with a second wall constituting the storage recess and the light shielding plate stops at the open position.

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