JP4876961B2 - Sun visor - Google Patents

Description

  The present invention relates to a sun visor that shields light from an upper window portion of a side door of a vehicle.

  In a sun visor for a side door of a vehicle, an accordion-shaped light shielding member that can be developed toward the lower side of the door along the guide web is disposed in order to shield the upper part of the window while ensuring good operability. There are cases (see, for example, Patent Document 1). In such a sun visor, a light shielding member accommodating portion is formed in the curved frame on the upper side of the window, and the light shielding member is accommodated in accordance with the curved shape of the accommodating portion.

However, in this conventional structure, an unintended crease may be formed in the light shielding member due to storage, which may deteriorate the appearance.
JP-A-6-199131

  In view of the above facts, an object of the present invention is to provide a sun visor that can prevent or suppress the formation of unintended folds in the light-shielding member during storage while ensuring good operability. .

The sun visor of the present invention described in claim 1 is for light shielding of an upper portion of a window in a side door of a vehicle, and a light shielding member capable of being expanded and stored in the longitudinal direction of the door along the longitudinal direction of the window upper frame portion. A storage portion that is provided along a window rear frame portion disposed on the door rear side of the light shielding region by the light shielding member or a window front frame portion disposed on the door front side of the light shielding region; A holding shaft that holds the base end portion of the light shielding member and can wind the light shielding member from the base end side to the outer peripheral portion. A guide rail disposed along the frame portion and having a longitudinal direction of the window upper frame portion as a guide direction; and a guide rail attached to a tip portion of the light shielding member directly or via another member; A movable body which is movable along the guide direction of Lumpur, a bearing holder for rotatably supporting the support shaft is provided at a lower end portion which is one axial side of the holding shaft about an axis thereof A pin penetrating the bearing holder in the door thickness direction on the lower side of the holding shaft, and a pin formed in a lower portion of the storage portion so that the pin penetrates in the door thickness direction and through the pin the bearing holder A visor bearing that supports the pin so as to be relatively rotatable about the axis of the pin, a coil portion is wound around the outer periphery of the pin, one end is locked to the bearing holder, and the other end is attached to the visor bearing And a torsion coil spring that biases the holding shaft in a direction in which the holding shaft is housed in the housing portion via the bearing holder, and holds the holding shaft so as to be swingable in the front-rear direction of the door. a swinging retaining means, Characterized in that it has.

  According to the sun visor of the present invention described in claim 1, since the light shielding member can be expanded and stored in the longitudinal direction of the door along the longitudinal direction of the window upper frame portion, the window in the side door of the vehicle can be obtained. When the upper part is shielded from light, the light shielding member is deployed in the longitudinal direction of the door frame along the longitudinal direction of the upper frame of the window by the occupant's operating force, etc. The light shielding member is housed in the front and rear direction side of the door along the longitudinal direction of the window upper frame portion by the force in the opposite direction side.

  Here, since the storage part in which the light shielding member is accommodated is along the window rear frame part on the rear side of the door in the light shielding area by the light shielding member or the window front frame part on the front side of the door in the light shielding area, the storage part is generally in a substantially rectangular parallelepiped shape. A storage space can be secured, and therefore, unlike the conventional example, the light shielding member can be stored without following the curved shape. Therefore, a load that forms an unintentional fold is hardly generated on the housed light shielding member. Further, the holding shaft that holds the base end portion of the light shielding member can wind up the light shielding member from the base end side to the outer peripheral portion, and is stored in the storage portion when the light shielding member is stored. Then, it is stored in the storage unit in a state of being wound without being folded.

In addition, since the moving body attached to the front end portion of the light shielding member directly or via another member is movable along the guide direction of the guide rail, that is, the longitudinal direction of the window upper frame portion, this movement When the body is moved to the deployment side along the guide direction of the guide rail, the light-shielding member follows the movement and is pulled out from the holding shaft and deployed. At this time, since the moving body is guided by the guide rail, the light shielding member is smoothly pulled out while the flapping in the door thickness direction is suppressed. On the other hand, when the light shielding member is accommodated, the moving body moves along the guide direction of the guide rail, so that the light shielding member can be prevented from flapping in the door thickness direction as in the case of deployment. In addition, since the moving body is attached to the distal end side of the light shielding member, the moving body is not caught when the light shielding member is wound, and therefore the moving body affects the winding shape of the light shielding member. There is nothing.
A bearing holder is provided at the lower end portion on one side in the axial direction of the holding shaft, and supports the holding shaft so as to be rotatable about its axis. Also, on the lower side of the holding shaft, the pin penetrates the bearing holder and the visor bearing in the thickness direction of the door, and the visor bearing is formed in the lower portion of the storage portion, and the bearing holder is rotated around the axis of the pin via the pin. Is supported so as to be relatively rotatable. Further, the torsion coil spring has a coil portion wound around the outer periphery of the pin, one end is locked to the bearing holder and the other end is locked to the visor bearing, and the holding shaft is interposed via the bearing holder. Is biased in a direction to be stored in the storage portion.
As described above, the holding shaft is held so as to be swingable in the front-rear direction of the door by the swing holding means including the bearing holder, the pin, the visor bearing, and the torsion coil spring. Even if the part is inclined with respect to the vertical direction of the door, when the sun visor is used, the holding shaft can be swung around the axis of the pin (rotated about the rotation center) and taken out from the storage unit. . Therefore, it is possible to provide the storage portion along the window rear frame portion or the window front frame portion inclined with respect to the door vertical direction.

  A sun visor according to a second aspect of the present invention is the sun visor according to the first aspect, wherein the holding shaft is a door in accordance with the peripheral lengths of the upper end portion and the lower end portion of the light shielding member in the winding state of the light shielding member The outer diameter of the lower end portion disposed on the lower side is formed in a tapered shape that is smaller than the outer diameter of the upper end portion disposed on the upper side of the door.

  According to the sun visor of the present invention described in claim 2, since the holding shaft is formed in a taper shape according to the circumferential length of the upper end portion and the lower end portion of the light shielding member in the winding state of the light shielding member, the light shielding member At the time of storage, the light shielding member is wound around the outer peripheral portion of the holding shaft without slack in the storage portion.

  A sun visor according to a third aspect of the present invention is the sun visor according to the first or second aspect, wherein both ends of the light shielding member are positioned at an upper end portion and a lower end portion of the light shielding member and the light shielding member. The core material arrange | positioned in parallel with respect to the axial center of the said holding | maintenance shaft is attached in the winding state of this.

  According to the sun visor of the present invention described in claim 3, since the core material having both ends positioned at the upper end portion and the lower end portion of the light shielding member is attached to the light shielding member, Even if an internal stress that relaxes toward the upper and lower end portions of the light shielding member toward the central portion in the vertical direction acts on the upper end portion and the lower end portion, the looseness is suppressed by the core material. In addition, since the core material is arranged parallel to the axis of the holding shaft in the winding state of the light shielding member, the axis of the holding shaft and the core material are not parallel when the light shielding member is wound up. Occurrence of slackening of the light shielding member due to can be suppressed.

A sun visor according to a fourth aspect of the present invention is the sun visor according to any one of the first to third aspects, wherein the sun visor is attached to the window upper frame portion directly or via another member, and the extended position of the guide rail. And a locking means provided on the moving body and locked to the locked means when the moving body moves in the deployment direction of the light shielding member. It is characterized by.

According to the sun visor of the present invention described in claim 4 , when the moving body moves in the deployment direction of the light shielding member, the engagement means provided in the extended position of the guide rail is provided with the engagement provided on the moving body. Since the stopping means is locked, when the light shielding member is expanded, the expanded state is maintained.

A sun visor according to a fifth aspect of the present invention is the configuration according to any one of the first to fourth aspects, wherein the sun visor is connected to the movable body, and a part of the sun visor is movable along a guide direction of the guide rail. A long member that is disposed in the door body of the side door, and a driving force is applied to the long member to move a part of the long member along the guide direction of the guide rail. Drive means for deploying and storing the light shielding member.

According to the sun visor of the present invention described in claim 5 , when the long member is given a driving force by the driving means, a part of the long member moves along the guide direction of the guide rail. The moving body and the light shielding member are interlocked with the movement of the long member, and the light shielding member is developed and stored.

As described above, according to the sun visor described in claim 1 of the present invention, it is possible to prevent or suppress an unintended fold from being formed in the light shielding member by storing while ensuring good operability. It has an excellent effect of being able to.
Moreover, even if the window rear frame portion or the window front frame portion is inclined with respect to the door vertical direction, the storage portion can be provided along the window rear frame portion or the window front frame portion.

  According to the sun visor described in claim 2, it is possible to effectively prevent or suppress the occurrence of wrinkles on the light shielding member due to storage, and to further smooth the operation during deployment and storage. Has an excellent effect.

  The sun visor according to claim 3 has an excellent effect that the operability at the time of expansion and storage can be secured while preventing or suppressing the occurrence of wrinkles on the light shielding member at the time of expansion.

According to the sun visor described in claim 4 , it has an excellent effect that the light shielding member can be held in the unfolded state only by operating the light shielding member in one direction.

The sun visor according to claim 5 has an excellent effect that the unfolding operation and the storing operation of the light shielding member can be automated.

[First Embodiment]
A first embodiment of a sun visor in the present invention will be described with reference to the drawings. In the figure, the arrow UP indicates the upward direction of the door, the arrow FR indicates the forward direction of the door, and the arrow IN indicates the inside of the door thickness direction. In general, the upward direction of the door is substantially the same as the upward direction of the vehicle, the forward direction of the door is substantially the same direction as the forward direction of the vehicle when the door is closed, and the inside of the door in the thickness direction is the vehicle when the door is closed. The direction is substantially the same as the inner side in the width direction.

  1 to 3 are perspective views of an upper part of a front side door 10 of an automobile (vehicle) as viewed from the vehicle interior side. A door frame 14 is integrally coupled to the front side door 10 at an upper portion of a door body (not shown). The door frame 14 constitutes a window frame that supports the door glass 11, and includes a window upper frame portion 16 disposed on the roof (not shown) side on the upper side of the door and a center pillar (illustrated) on the rear side of the door. And a window rear frame portion 18 disposed on the side). The window upper frame portion 16 is inclined in a substantially arc shape toward the door lower side toward the front of the door, and the inclination angle is set to be larger at the door front side. The end of the window upper frame 16 on the door rear side is continuous with the end of the window rear frame 18 on the door upper side. The ridge line of the window rear frame portion 18 is linear (or substantially linear that is substantially recognized as being substantially linear), and is substantially linear (or substantially substantially linear that is recognized as being substantially linear when viewed from the vehicle interior side. It is formed in a straight line shape and is slightly inclined toward the front side of the door toward the lower side of the door.

  A door glass 11 can be arranged in the window 12 surrounded by the door frame 14 and the upper end of the door body (not shown) shown in FIG. The door glass 11 can be opened and closed substantially along the vertical direction of the door, and is disposed in the door body (not shown) when stored.

  A sun visor 20 is disposed on the upper portion of the door frame 14. As shown in FIG. 3, the sun visor 20 includes a light shielding cloth 22 serving as a light shielding member on the upper portion of the window 12. Yes. The light shielding cloth 22 can be disposed on the vehicle interior side of the door glass 11 and can be unfolded and stored in the front-rear direction of the door along the longitudinal direction of the window upper frame portion 16 (see FIG. 1). . That is, the light shielding cloth 22 is disposed so as to be movable between the storage position on the rear side of the door and the deployed position 22Y shown in FIG.

  The light shielding cloth 22 is formed in a shape that matches the light shielding area S (see FIG. 1) at the top of the window 12. For this reason, as shown in FIG. 4, the upper side dimension of the upper end part 22A is set longer than the lower side dimension of the lower end part 22B, and the vertical side dimension (dimension between the upper and lower end parts) of the base end part 22C is the tip. It is set longer than the vertical side dimension (the dimension between the upper and lower ends) of the portion 22D. Further, the light shielding cloth 22 is formed of a mesh-like cloth material, and edge processing is performed on the upper end portion 22A and the lower end portion 22B so as not to cause problems such as breakage. By this edge processing, the upper end portion 22A and the lower end portion 22B have higher rigidity than other portions (intermediate portions).

  As shown in FIG. 3, the visor holder 25 is located above the door frame 14 on the side of the window 12 and the vehicle at positions substantially corresponding to the door upper side of the upper end portion 22A of the light shielding cloth 22 and the door rear side of the base end portion 22C. It is installed indoors. The visor holder 25 is bent along the upper shape of the door frame 14, and holds the light shielding cloth 22 so that it can be unfolded and stored. The visor holder 25 is integrally provided with a storage portion 26 along the window rear frame portion 18 disposed on the rear side of the door of the light shielding region S (see FIG. 1) by the light shielding cloth 22. As shown in FIG. 4, the storage portion 26 is formed in a substantially U shape in a horizontal sectional view in which the front side of the door is opened, and includes a storage space 26 </ b> S having a substantially rectangular parallelepiped shape that can store the light shielding cloth 22. Yes.

  Further, the base end portion 22C of the light shielding cloth 22 is held by the holding shaft 30, and the lower portion 30L of the holding shaft 30 is connected to the storage portion 26 in the visor holder 25 via the swing holding mechanism 40 as swing holding means. It is attached to the lower part (details will be described later). The holding shaft 30 is formed in a substantially cylindrical shape and sandwiches (holds) the base end portion 22C of the light shielding cloth 22 so that the light shielding cloth 22 can be wound up from the base end portion 22C side to the outer peripheral portion 30B. . Further, as shown in FIG. 1, the holding shaft 30 is accommodated in the accommodating portion 26 when the light shielding cloth 22 (see FIG. 4) is accommodated.

  As shown in FIG. 4, a plurality of core materials 24 (two in this embodiment) are attached to the light shielding cloth 22 with adhesive tape 23. These core members 24 are positioned at the upper end portion 22A and the lower end portion 22B of the light shielding cloth 22 and are disposed in parallel to the axis 30A of the holding shaft 30 in the winding state of the light shielding cloth 22. It is attached. That is, the plurality of core members 24 are fixed to the light shielding cloth 22 in a radial manner, and in this embodiment, the upper end portion 22A of the light shielding cloth 22 is disposed at a substantially equal position.

  Such a core member 24 is used for slack suppression for suppressing the light shielding cloth 22 from slacking toward the center portion in the vertical direction due to its own internal stress when the light shielding cloth 22 is deployed. . Here, as in the present embodiment, when the vertical side dimension of the distal end portion 22D of the light shielding cloth 22 is set to be considerably shorter than the vertical side dimension of the base end part 22C, the inside of the winding of the light shielding cloth 22 is described. Although the stress increases, the arrangement of the core member 24 effectively suppresses the slackness of the light shielding cloth 22.

  A winding biasing member 32 for rotating the holding shaft 30 is inserted into the substantially cylindrical holding shaft 30. The urging body 32 includes a short columnar locking member 34 that is press-fitted into the hollow portion of the holding shaft 30 from below and locked in the hollow portion, and one end portion is locked to the lower portion of the locking member 34. The other end portion is provided with a cylindrical coil spring 36 that is engaged with the bearing holder 42 of the swing holding mechanism 40 and disposed in the hollow portion of the holding shaft 30. A serration 34 </ b> A for locking to the inner surface of the holding shaft 30 is formed on the outer periphery of the locking member 34. The coil spring 36 biases the holding shaft 30 in the rotational direction in which the deployed light shielding cloth 22 is wound up.

  The bearing holder 42 includes a protruding locking portion 42A that is inserted into the holding shaft 30 and locks the lower end of the coil spring 36 in a non-rotatable manner, and supports the holding shaft 30 so as to be rotatable around the axis 30A. . Further, a pair of bearing portions 42 </ b> B project from the lower surface side of the bearing holder 42, and a visor bearing 27 formed at a lower portion of the storage portion 26 in the visor holder 25 between the pair of bearing portions 42 </ b> B. Has been inserted. A pin 44 passes through the bearing portion 42B and the visor bearing 27 in the door thickness direction. The pin 44, the bearing portion 42B, and the visor bearing 27 are relatively rotatable around the pin axis. Thus, the bearing holder 42 is supported by the visor bearing 27 of the visor holder 25 so as to be swingable in the front-rear direction of the door.

  A coil portion of a torsion coil spring 46 is wound around the outer periphery of the pin 44 between the pair of bearing portions 42B. One end portion of the torsion coil spring 46 is locked to the bearing portion 42 </ b> B, and the other end portion of the torsion coil spring 46 is locked to the visor bearing 27. The torsion coil spring 46 is biased in a direction (arrow R direction (see FIG. 1)) in which the protruding locking portion 42A of the bearing holder 42 is accommodated in the accommodating portion 26.

  With such a configuration, the swing holding mechanism 40 holds the holding shaft 30 so as to be swingable in the door front-rear direction. In this embodiment, the swing holding mechanism 40 includes a bearing holder 42, a pin 44, a visor bearing 27, and a torsion coil spring 46.

  A cover 48 is attached to a lower portion of the storage portion 26 in the visor holder 25 shown in FIG. 4 to cover the bearing portion 42B, the pin 44, the visor bearing 27, and the torsion coil spring 46. The cover 48 is formed in a substantially U shape (substantially U shape) in a plan view in which the visor holder 25 side is opened. As shown in FIG. Is formed.

  As shown in FIG. 4, a winding cover 50 is attached to the outer peripheral side of the projecting locking portion 42 </ b> A on the upper surface side of the bearing holder 42. In the mounted state, the winding cover 50 is disposed along a direction in which the longitudinal direction is perpendicular to the upper surface of the bearing holder 42, and the cross-sectional shape orthogonal to the longitudinal direction is opposite to the storage unit 26 side. It is formed in a substantially C-shape opening toward the side. In other words, the winding cover 50 is disposed at a position covering the holding shaft 30, and the winding cover 50 is provided with a light shielding cloth along the longitudinal direction of the winding cover 50 on the front side of the door in the attached state. Twenty-two outlets 52 are formed. The inner dimension of the winding cover 50 is set to a dimension that can cover the light shielding cloth 22 that is wound around the holding shaft 30, and preferably the light shielding cloth 22 that is wound around the holding shaft 30. It is preferable to set a gap between the winding cover 50 and the inside of the winding cover 50.

  A bearing member 54 that closes the upper opening of the winding cover 50 is attached to the upper surface of the winding cover 50. The bearing member 54 is disposed in the holder extension portion 28 that is bent and continuous from the upper end portion of the storage portion 26 to the front side of the door by the visor holder 25. A cylindrical bearing pin 54 </ b> A protrudes from the center of the lower surface of the bearing member 54 and is inserted into the hollow portion of the holding shaft 30. Thus, the bearing member 54 supports the upper portion 30H of the holding shaft 30 so as to be rotatable about the axis 30A.

  In the present embodiment, the bearing member 54, the winding cover 50, the bearing holder 42, and the biasing body 32 constitute a winding unit 31 that functions as a winding biasing unit. In order to wind the light shielding cloth 22 around the holding shaft 30, the holding shaft 30 is urged around the axis 30 </ b> A in the winding direction to apply a rotational force to the holding shaft 30.

  The holder extension portion 28 in the visor holder 25 is formed in a concave shape with the door lower side opened, and the extension amount from the upper end portion of the storage portion 26 is set to be relatively short, and the front end portion thereof extends in the door thickness direction. The stopper 28A is narrowed. In a state where the holding shaft 30 is swung by the swing holding mechanism 40 and the bearing member 54 is moved to a predetermined position on the front side of the door, the bearing member 54 contacts the stopper 28A and the bearing member 54 moves to the front side of the door. Stroke is limited.

  The holder upper frame portion 29 that is continuous with the holder extension portion 28 in the visor holder 25 extends along the window upper frame portion 16 so as to substantially correspond to the light shielding region S, as shown in FIG. The lower side of the door is open. Inside the holder upper frame portion 29, a channel-shaped guide rail 60 (see FIG. 4) whose door lower side is opened is fixed. The guide rail 60 is disposed along the window upper frame portion 16 via the holder upper frame portion 29, and the longitudinal direction of the window upper frame portion 16 is set as a guide direction. As shown in FIG. 4, a slider (sliding member) 64 as a moving body is attached to the tip 22D of the light shielding cloth 22 via a tip frame member 62 for holding the tip 22D. 64 can be rotated around the axis 64X in the door thickness direction, and can be slid along the guide direction of the guide rail 60 by being arranged in the guide rail 60 (slidable). Yes.

  At an extended position on the front side of the door of the guide rail 60, a latch 66 as a locked means is disposed and attached to the window upper frame portion 16 (see FIG. 1) via a holder upper frame portion 29. The latch 66 includes a pair of claw portions 66A arranged in parallel in the door thickness direction and facing each other. The claw portion 66A is elastically deformable, is curved so that its intermediate portion protrudes toward the side away from each other, and its front end portion is directed in the direction of approaching the slider 64 side (substantially the door rear side). ) Is opened. The slider 64 is provided with a locking projection 65 as locking means. The locking projection 65 has a disk-like shape with its head on the tip side bulged in the door thickness direction, and the slider 64 moves in the direction in which the light shielding cloth 22 is deployed. It is formed in a shape to be inserted and locked between 66A.

  In addition, the cover 68 is attached to the door front side lower end part of the holder upper frame part 29 shown by FIG. The cover 68 is disposed at a position in the holder upper frame portion 29 so as to cover the door front side portion of the latch 66 and the latch 66.

  As shown in FIG. 4, a projecting portion 69 is extended from the lower surface side of the slider 64 to the side away from the slider 64, and from the lower end portion of the projecting portion 69 to the inside in the door thickness direction. A bent substantially cylindrical handle 70 is extended. The handle section 70 is used for an operation force input section for performing a deployment operation and a storage operation by placing a finger on the occupant when using the sun visor. In the present embodiment, the handle 70 and the slider 64 are integrated to form the operation member 72.

(Action / Effect)
Next, the operation and effect of the above embodiment will be described.

  The light shielding cloth 22 shown in FIG. 2 can be unfolded and stored (opened / closed) in the front-rear direction along the longitudinal direction of the window upper frame portion 16, so that the upper portion of the window 12 in the front side door 10 is provided. When light is shielded, the light shielding cloth 22 is unfolded in a substantially fan shape along the longitudinal direction of the window upper frame portion 16 by the occupant's operating force from the handle portion 70 (see FIG. 3), and is shown in FIG. When the unfolded light shielding cloth 22 is housed, the light shielding cloth 22 is housed on the door rear side along the longitudinal direction of the window upper frame portion 16 by an operation force to the door rear side (see FIG. 1).

  Here, since the storage portion 26 in which the light shielding cloth 22 shown in FIG. 2 is stored is along the window rear frame portion 18 on the rear side of the door of the light shielding region S by the light shielding cloth 22, the storage space 26S having a substantially rectangular parallelepiped shape. (Refer to FIG. 4) can be ensured, and therefore, unlike the conventional example, the light shielding cloth 22 can be stored without following the curved shape. Therefore, a load that forms an unintended fold is hardly generated on the stored light shielding cloth 22. Further, as shown in FIG. 4, the holding shaft 30 that holds the base end portion 22C of the light shielding cloth 22 can wind up the light shielding cloth 22 from the base end portion 22C side to its outer peripheral portion 30B. Since the light shielding cloth 22 is stored in the storage section 26, the light shielding cloth 22 is stored in the storage section 26 in a wound state without being folded.

  Further, since the holding shaft 30 is held by the swing holding mechanism 40 so as to be swingable in the front-rear direction of the door, even if the window rear frame portion 18 shown in FIG. When using 20, the holding shaft 30 can be swung out of the storage portion 26. Accordingly, it is possible to provide the storage portion 26 including the substantially rectangular parallelepiped storage space 26S (see FIG. 4) along the inclined window rear frame portion 18.

  Further, the slider 64 attached to the front end portion 22D of the light shielding cloth 22 via the front end frame member 62 is movable along the guide direction of the guide rail 60, that is, the longitudinal direction of the window upper frame portion 16. Therefore, when the slider 64 is moved along the guide direction of the guide rail 60 toward the deployment side (in the direction of the arrow P), the light shielding cloth 22 is moved in accordance with this and pulled out of the holding shaft 30 and deployed. At this time, since the slider 64 is guided by the guide rail 60, the light shielding cloth 22 is smoothly pulled out without touching the door glass 11 by suppressing the flapping in the door thickness direction. Therefore, the occupant can pull out the light shielding cloth 22 without checking at a glance, and can operate with one action (one action). Further, as the slider 64 moves in the direction in which the light shielding cloth 22 is deployed, the locking projection 65 provided on the slider 64 is locked to the latch 66 disposed at the extended position of the guide rail 60. Only by operating in one direction to deploy the light shielding cloth 22, the locking projection 65 is locked by the latch 66, and the light shielding cloth 22 is held in the expanded state.

  On the other hand, when the light shielding cloth 22 is accommodated, the slider 64 moves along the guide direction of the guide rail 60, so that the flapping of the light shielding cloth 22 in the door thickness direction can be suppressed as in the unfolding. In addition, since the slider 64 is attached to the front end portion 22D side of the light shielding cloth 22, the slider 64 is not wound when the light shielding cloth 22 is wound. For this reason, the slider 64 is wound around the light shielding cloth 22. It will not affect

  Further, as shown in FIG. 3, since the core member 24 whose both ends are positioned at the upper end portion 22 </ b> A and the lower end portion 22 </ b> B of the light shielding cloth 22 is attached to the light shielding cloth 22, Even if an internal stress that is slackened toward the central portion in the vertical direction of the light shielding cloth 22 acts on the upper end portion 22A and the lower end portion 22B of the cloth 22, the slackness is suppressed by the core material 24. Further, since the core member 24 is arranged in parallel with the axis 30A of the holding shaft 30 in the winding state of the light shielding cloth 22, the core 30A of the holding shaft 30 and the core member are wound when the light shielding cloth 22 is wound. Occurrence of slackness of the light shielding cloth 22 due to the non-parallel with 24 can be suppressed.

  As described above, according to the sun visor 20 of the present embodiment, it is possible to effectively prevent unintended folds from being formed in the light shielding cloth 22 due to storage while ensuring good operability during deployment and storage. Or it can be suppressed.

[Second Embodiment]
Next, a second embodiment of the sun visor will be described with reference to FIG. The second embodiment is characterized by the shape of the holding shaft 74, and the other configurations are the same as those of the first embodiment. Therefore, illustration and description of the entire configuration are omitted, and in FIG. 7, the same reference numerals are given to the same components as those in the first embodiment, and description thereof is omitted. In FIG. 7, the axis of the holding shaft 74 is indicated by reference numeral 74A.

  The cylindrical holding shaft 74 shown in FIG. 7 holds the base end portion 22C of the light shielding cloth 22 and the light shielding cloth 22 at the base end portion similarly to the holding shaft 30 (see FIG. 4) in the first embodiment. It can be wound around its outer peripheral portion 74B from the 22C side, and is stored in the storage portion 26 (see FIG. 4) when the light shielding cloth 22 is stored. Here, the holding shaft 74 of the present embodiment has a lower end portion 74L disposed on the lower side of the door in accordance with the circumferential lengths of the upper end portion 22A and the lower end portion 22B of the light shielding cloth 22 in the winding state of the light shielding cloth 22. The outer diameter D2 is formed in a taper shape (substantially conical with D1> D2) smaller than the outer diameter D1 of the upper end 74H disposed on the door upper side.

  According to such a configuration, the light shielding cloth 22 can be always in a tensioned state, and in particular, when the light shielding cloth 22 is stored, the light shielding cloth 22 is placed on the outer periphery of the holding shaft 74 in the storage portion 26 (see FIG. 4). Winds smoothly along 74B without slack. That is, when winding the light shielding cloth 22, tension is applied to the light shielding cloth 22 almost uniformly. For this reason, it is possible to effectively prevent or suppress the occurrence of wrinkles or so-called sag in the light shielding cloth 22 due to the storage, and the operation at the time of deployment and storage can be made smoother.

[Third Embodiment]
Next, a third embodiment of the sun visor will be described with reference to FIG. The third embodiment is characterized in that the light shielding cloth 22 is electrically developed and stored, and the other configurations are substantially the same as those of the first embodiment. In the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  As shown in the schematic configuration diagram of FIG. 8, the sun visor 80 provided with the electric mechanism is driven as a long member that is connected to the slider 64 and is partially movable along the guide direction of the guide rail 60. The light shielding cloth 22 is arranged in the cable 82 and the door body 10 </ b> A of the front side door 10 by applying a driving force to the driving cable 82 and moving a part of the driving cable 82 along the guide direction of the guide rail 60. And a driving device (sun visor actuator) 84 as a driving means for deploying and storing the motor.

  The drive cable 82 is a geared cable with a groove formed in a spiral shape, and is inserted through the guide rails 60 and the pipe 90 that guide the direction that are arranged in series, and extends along the window upper frame portion 16. In addition, it extends along the front-rear direction of the door at the upper part in the door main body 10A through the front upper part in the door main body 10A.

  The drive cable 82 meshes with the second gear 86 of the drive device 84 at a position closer to the front upper portion in the door main body 10A. The driving device 84 for drawing operation and drawing operation of the drive cable 82 includes a second gear 86, a first gear 85 integrated with the second gear 86 and arranged coaxially, and a first gear 85. And a drive motor 88 for driving the motor. The drive motor 88 is connected to a circuit (not shown), and can be driven forward and backward by a switch (not shown). In the drive state of the drive motor, the lower portion of the drive cable 82 is moved in the front-rear direction of the door (direction of arrow A) via the first gear 85 and the second gear 86. The part moves along the guide direction of the guide rail 60. In FIG. 8, the position on the distal end side of the drive cable 82 when the light shielding cloth 22 is deployed is indicated by a two-dot chain line.

  According to the above configuration, when the driving cable 82 is given a driving force by the driving device 84, a part of the driving cable 82 moves along the guide direction of the guide rail 60, and the movement of the driving cable 82 causes the slider to move. 64 and the light shielding cloth 22 are interlocked so that the light shielding cloth 22 is developed and stored. Therefore, the unfolding operation and the storing operation of the light shielding cloth 22 can be automated.

[Supplementary explanation of the embodiment]
In the above embodiment, as shown in FIG. 2 and the like, the storage portion 26 is provided along the window rear frame portion 18 disposed on the rear side of the door of the light shielding region S by the light shielding cloth 22. The portion may be provided along a window front frame portion disposed on the door front side of the light shielding region by the light shielding member. Moreover, in the said embodiment, although the sun visor 20 is arrange | positioned at the front side door 10, a sun visor may be arrange | positioned at a rear side door.

  Moreover, in the said embodiment, although the slider 64 as a moving body is attached to the front-end | tip part 22D of the light shielding cloth 22 via the front-end | tip frame member 62, a moving body may be directly attached to the front-end | tip part of a light-shielding member. . Moreover, in the said embodiment, although the slider 64 as a moving body can be slid along the guide direction of the guide rail 60, a moving body can roll (move) along the guide direction of a guide rail. Other moving bodies such as a guide roller may be used.

  Further, as a modification of the above-described embodiment, for example, a pin-like protruding portion that protrudes from the upper end portion of the light shielding member is provided by extending the core material upward of the door, and the pin-like protruding portion is provided in the guide rail. By inserting, it is good also as a structure which suppresses falling to the door thickness direction outer side of the upper part of a light-shielding member.

  In the above embodiment, the slider 64 and the handle part 70 are integrated to form the operation member 72. However, even if the moving body and the handle part are separately attached to the distal end side of the light shielding member, respectively. Good.

  Moreover, in the said embodiment, although the holding shaft 30 is urged | biased by the winding unit 31 in the winding direction, the motor (driving means) which can provide the driving force to a winding direction with respect to a holding shaft, for example It is also possible to adopt another configuration in which the motor is driven and the light shielding member is wound up electrically by the passenger manually operating a switch in a circuit connected to the motor.

  In the above embodiment, both ends of the light shielding cloth 22 are positioned at the upper end 22A and the lower end 22B of the light shielding cloth 22 and parallel to the axis 30A of the holding shaft 30 in the winding state of the light shielding cloth 22. Such a configuration is preferable, but for example, depending on the shape of the door frame, the core material may not be attached to the light shielding member.

  Furthermore, in the above embodiment, the latch 66 as the locked means is attached to the window upper frame portion 16 via the holder upper frame portion 29 of the visor holder 25, but the locking means is attached to the window upper frame portion. It may be attached directly. Further, in the above-described embodiment, the latch 66 as the locked means is disposed on the window upper frame portion 16 side, and the locking projection 65 as the locking means locked to the latch 66 is provided on the slider 64. However, for example, a locking projection as a locking means is disposed at the extended position of the guide rail on the window upper frame side, and the moving body has a moving direction of the light shielding member. It is good also as a structure which provides the latch as a latching means latched by the said protrusion part for a latching by moving to.

  In the second embodiment, as shown in FIG. 8, the case where the long body is a drive cable 82 that is a geared cable has been described. However, the long body is, for example, a door sandwiching a moving body. Other elongated bodies such as a tape (having predetermined rigidity and flexibility) that are respectively arranged on the front and rear direction sides and wound on the reels by the driving force of the driving means may be used.

It is a perspective view which shows the sun visor which concerns on the 1st Embodiment of this invention in the accommodation state of the light shielding cloth. It is a perspective view which shows the sun visor which concerns on the 1st Embodiment of this invention in the state in the middle of expansion | deployment. It is a perspective view which shows the sun visor which concerns on the 1st Embodiment of this invention in the expansion | deployment state. 1 is an exploded perspective view showing a sun visor according to a first embodiment of the present invention. It is a perspective view which shows the front end part side of the holder upper frame part in the 1st Embodiment of this invention in a cover removal state. It is a perspective view which shows the lower part of the visor holder in the 1st Embodiment of this invention. It is a perspective view which shows the holding shaft, the light shielding cloth, etc. which are applied to the sun visor which concerns on the 2nd Embodiment of this invention. It is a schematic block diagram which shows the sun visor which concerns on the 3rd Embodiment of this invention in the state in the middle of expansion | deployment.

Explanation of symbols

10 Front side door (side door)
10A Door body 12 Window 16 Window upper frame portion 18 Window rear frame portion 20 Sun visor 22 Light shielding cloth (light shielding member)
22A Upper end part 22B Lower end part 22C Base end part 22D Front end part 24 Core material 26 Storage part
27 Visor bearing 30 Holding shaft 30A Shaft center 30B Outer peripheral portion 40 Oscillating holding mechanism (oscillating holding means)
42 Bearing holder
44 pins
46 Torsion coil spring 60 Guide rail 64 Slider (moving body)
65 Locking projection (locking means)
66 Latch (Locked means)
74 Holding shaft 74A Axis center 74B Outer peripheral portion 74L Lower end portion 74H Upper end portion 80 Sun visor 82 Drive cable (long member)
84 Driving device (driving means)
D1 Outer diameter of upper end D2 Outer diameter of lower end S Light-shielding area

Claims (5)

A light-shielding member that is used for light shielding of the upper part of the window in the side door of the vehicle, and that can be expanded and stored in the longitudinal direction of the window upper frame in the longitudinal direction of the door;
A storage portion that is provided along a window rear frame portion disposed on the door rear side of the light shielding region by the light shielding member or a window front frame portion disposed on the door front side of the light shielding region;
A holding shaft that holds the base end portion of the light shielding member and can wind the light shielding member from the base end side to the outer peripheral portion, and is housed in the housing portion when the light shielding member is housed.
A guide rail that is disposed along the window upper frame portion and has a longitudinal direction of the window upper frame portion as a guide direction;
A moving body attached to the tip of the light shielding member directly or via another member, and movable along the guide direction of the guide rail;
A bearing holder provided at a lower end portion on one side of the holding shaft in the axial direction and rotatably supporting the holding shaft around its axis; and the bearing holder in the door thickness direction below the holding shaft. A penetrating pin, and a visor bearing formed in a lower portion of the storage portion, the pin penetrating in the door thickness direction, and supporting the bearing holder through the pin so as to be relatively rotatable about the axis of the pin; A coil portion is wound around the outer periphery of the pin, one end is locked to the bearing holder, and the other end is locked to the visor bearing, and the holding shaft is moved via the bearing holder. A torsion coil spring that biases in a direction to be accommodated in the accommodating portion, and a swing holding means that holds the holding shaft so as to be swingable in the front-rear direction of the door;
The sun visor characterized by having.   The holding shaft is arranged such that the outer diameter of the lower end portion arranged on the lower side of the door is arranged on the upper side of the door in accordance with the circumferential length of the upper end portion and the lower end portion of the light shielding member in the winding state of the light shielding member. 2. The sun visor according to claim 1, wherein the sun visor is formed in a tapered shape smaller than an outer diameter of the upper end portion.   The light shielding member is attached with a core member that is positioned at both upper and lower ends of the light shielding member and parallel to the axis of the holding shaft in the winding state of the light shielding member. The sun visor according to claim 1 or 2, characterized in that: The locked means attached to the window upper frame part directly or via another member and arranged at the extended position of the guide rail,
A locking means provided on the moving body, the locking means being locked to the locked means by moving the moving body in a deployment direction of the light shielding member;
The sun visor according to any one of claims 1 to 3 , wherein An elongate member connected to the movable body, a part of which is movable along the guide direction of the guide rail;
The light shielding member is deployed and stored by being disposed in the door body of the side door and applying a driving force to the long member to move a part of the long member along the guide direction of the guide rail. Driving means for causing
The sun visor according to any one of claims 1 to 4 , wherein

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