JP5247536B2 - Shading device - Google Patents

Description

  The present invention relates to a light shielding device.

  Conventionally, for example, the following are known as light shielding devices. That is, the electric sunshade described in Patent Document 1 is developed along with the rotation of the longitudinal main frame, a pair of pivot arms rotatably supported by the main frame, and the pair of pivot arms. And a sheet-like screen. The electric sunshade is disposed below the rear package tray provided in the vehicle interior, and the pair of rotating arms and the screen are placed in and out of a longitudinal opening formed in the rear package tray. It has become.

Japanese Patent Laid-Open No. 11-62442 JP 2008-230308 A

  However, in this type of electric sunshade, when the pair of rotating arms is stored and the screen is in the winding state, if an open part is left in the opening formed in the rear package tray, There is a possibility that foreign matter may enter the inside of the rear package tray through the portion, and the appearance of the rear package tray is deteriorated.

  The present invention has been made in view of the above problems, and prevents foreign matter from entering the inside of a plate-like member that covers at least the base member, the drive motor, and the winding mechanism from the development side of the screen. An object of the present invention is to provide a light-shielding device that can improve the appearance of a plate-like member.

  In order to solve the above-mentioned problem, a light-shielding device according to claim 1 includes a base member formed in a longitudinal shape, a drive motor provided in the base member, and a longitudinal direction of the base member in a screen width direction. And a sheet-like screen capable of taking up a winding state wound up by a winding mechanism provided in the base member and a developed state developed from the winding mechanism, and a base end side of each of the base members. A retractable posture that is rotatably supported at both ends in the longitudinal direction, and that the front end side is rotatably connected to the deployment side of the screen, and receives the driving force of the drive motor to bring the screen into the winding state. And a pair of rotating arms that are changed to an unfolded posture for bringing the screen into the unfolded state, and at least the base member, the drive motor, and the winding mechanism A plate-like member in which a hole or a notch through which the screen and the pair of rotating arms can enter and exit is formed along the longitudinal direction of the base member, and an end portion on the development side of the screen A closing member that is provided in a longitudinal shape along the screen width direction and closes a region excluding both ends of the hole or the notch in the longitudinal direction when the pair of rotating arms is in the retracted position; Regions on both ends in the longitudinal direction of the hole or the notch when the pair of rotating arms are extended in the longitudinal direction of the closing member from the both ends in the longitudinal direction of the closing member in the retracted position A pair of auxiliary closing members that can take an extended position that closes the cover, and a retracted position that is retracted inside the closing member with respect to the extended position, and the pair of rotating arms change to the retracted position. Be done The pair of auxiliary closing members are positioned at the extended position in conjunction with the pair, and the pair of auxiliary closing members are moved in the retracted position in conjunction with the pair of rotating arms being changed to the deployed position. An interlocking mechanism that is positioned on

  In the light-shielding device according to the first aspect, the plate member is formed with a hole or a notch through which the screen and the pair of rotating arms can enter and exit along the longitudinal direction of the base member. When the pair of rotating arms is in the retracted position and the screen is in the winding state, a hole or a cut is formed by a closing member provided in a longitudinal direction along the width direction of the screen at the end portion on the development side of the screen. The region excluding the both ends in the longitudinal direction of the notch is closed.

  In addition, a pair of auxiliary closing members are provided on both ends in the longitudinal direction of the closing member, and the pair of auxiliary closing members are connected to the closing member by the interlocking mechanism when the pair of rotating arms are in the retracted posture. It extends along the longitudinal direction of the closing member from both ends in the longitudinal direction to the outside. And the area | region of the longitudinal direction both ends side of a hole or a notch is obstruct | occluded by this pair of auxiliary | assistant obstruction | occlusion members.

  Thus, according to the light shielding device of the first aspect, when the pair of rotating arms are in the retracted posture and the screen is in the winding state, the hole or notch formed in the plate-like member is closed. It is closed by the member and the pair of auxiliary closing members. Accordingly, it is possible to prevent foreign matter from entering the inside of the plate-like member through the holes or notches, and to improve the appearance of the plate-like member.

  In addition, according to the light shielding device of the first aspect, when the pair of rotating arms are in the deployed posture and the screen is in the deployed state, the pair of auxiliary closing members are retracted inside the closing member by the interlocking mechanism. It is done. Therefore, when the screen is in the unfolded state, it is possible to prevent the pair of auxiliary closing members from projecting outward from both ends in the longitudinal direction of the closing member, and to reduce the size of both ends in the longitudinal direction of the closing member. At the same time, the appearance can be improved.

  The light-shielding device according to claim 2 is the light-shielding device according to claim 1, wherein the pair of auxiliary closing members are positioned at the retracted positions on both ends in the longitudinal direction of the closing member. Each of the housing recesses for housing the housing is formed.

  According to the light-shielding device of the second aspect, when the pair of auxiliary closing members are positioned at the retracted positions, the auxiliary closing members are respectively stored in the receiving recesses formed at both ends in the longitudinal direction of the closing member. Thereby, the longitudinal direction both ends of the closing member can be further reduced in size and the appearance can be improved.

  The light-shielding device according to claim 3 is the light-shielding device according to claim 1 or 2, wherein the interlock mechanism is formed on the auxiliary closing member along a longitudinal direction of the closing member; The pinion is formed on the tip end side of the rotating arm and meshed with the rack.

  According to the light-shielding device of the third aspect, since the interlocking mechanism has a simple configuration having a rack formed on the auxiliary closing member and a pinion formed on the tip end side of the rotating arm, The structure can be simplified and miniaturized.

  The light-shielding device according to claim 4 is the light-shielding device according to claim 1 or 2, wherein the interlocking mechanism biases the auxiliary closing member toward the retracted position with respect to the closing member. It is set as the structure which has a member.

  According to the light shielding device of the fourth aspect, the auxiliary closing member is urged toward the retracted position with respect to the closing member, so that the backlash of the auxiliary closing member can be suppressed.

It is a figure which shows the state by which the screen was wound up in the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the state in the middle of the expansion | deployment of the screen in the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the state by which the screen was fully expand | deployed in the light-shielding apparatus which concerns on one Embodiment of this invention. It is a principal part expanded sectional view of the light-shielding apparatus in the state of FIG. It is a principal part expanded sectional view of the light-shielding apparatus in the state of FIG. It is a principal part expanded side sectional view of the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure explaining the relative positional relationship of the outer cap in the state of FIG. 1, an inner cap, and the accommodation hole formed in the rear package tray. It is a figure which shows the 1st modification of the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the 1st modification of the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the 2nd modification of the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the 2nd modification of the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the 3rd modification of the light-shielding apparatus which concerns on one Embodiment of this invention. It is a figure which shows the 3rd modification of the light-shielding apparatus which concerns on one Embodiment of this invention.

  First, an outline of a light shielding device 10 according to an embodiment of the present invention will be described with reference to FIGS.

  A light shielding device 10 according to an embodiment of the present invention is for shielding a rear glass provided in a vehicle such as a passenger car, for example, and includes a base member 12, a drive motor 14, and a driving force transmission mechanism 16. A pair of rotating arms 18, a winding mechanism 20, a screen 22, a screen support member 24 and a pair of caps 26 as a closing member, a rear package tray 28 as a plate member, and a pair of auxiliary closing members The cover member 30 is provided as a main component.

  The base member 12 is constituted by a pipe formed in a longitudinal shape, and the drive motor 14 is fixed to a central portion in the longitudinal direction of the base member 12.

  The driving force transmission mechanism 16 includes a link lever 32, a pair of link rods 34, and a pair of levers 36. The link lever 32 is formed in a longitudinal shape, and a central portion in the longitudinal direction is fixed to an output shaft 38 of the drive motor 14 so as to be integrally rotatable.

  Further, the rotation end side of the link lever 32 is rotatably connected to one end side of the link rod 34, and the other end side of the link rod 34 is rotatably connected to the lever 36. Furthermore, the lever 36 is integrally provided on the base end side of the lower arm 42 described later.

  The pair of rotating arms 18 includes an upper arm 40 and a lower arm 42. The base end side of the upper arm 40 is rotatably connected to the distal end side of the lower arm 42 via an intermediate joint 44, and the distal end side of the upper arm 40 is connected to both longitudinal ends of the screen support member 24 described in detail later. The cap 26 is rotatably connected to the cap 26. Further, the base end side of the lower arm 42 is rotatably supported on the longitudinal direction end side of the base member 12 via the first bracket 46.

  The winding mechanism 20 is fixed to both ends in the longitudinal direction of the base member 12 via a pair of second brackets 48, and the winding member for winding the screen 22 and the winding member are attached in the rotational direction. It has a spring (not shown) that energizes.

  The screen 22 is made of a cloth material having a light shielding property or the like, and is formed in a sheet shape. In the screen 22, the longitudinal direction of the base member 12 is the screen width direction, and the base end side of the screen 22 is fixed to the winding member described above.

  The screen support member 24 is provided in a longitudinal shape along the screen width direction at an end portion of the screen 22 on the development side, and supports the screen 22 in a state of being widened in the width direction.

  The rear package tray 28 is configured in a plate shape that covers the base member 12, the drive motor 14, the drive force transmission mechanism 16, the take-up mechanism 20, and the like from the development side (the vehicle vertical direction upper side) of the screen 22.

  In the light shielding device 10, as shown in FIGS. 1 and 2, when the drive motor 14 rotates forward and the link lever 32 is rotated in the R1 direction, the lever 36 is rotated in the R3 direction. The lower arm 42 is rotated in the R5 direction. When the lower arm 42 is rotated in the R5 direction, the upper arm 40 is rotated in the R7 direction, and the screen 22 is pulled upward. Then, as shown in FIG. 3, when the upper arm 40 and the lower arm 42 are in a deployment posture in which the upper arm 40 and the lower arm 42 are in a straight line, the screen 22 is completely deployed from the winding mechanism 20.

  At this time, the screen 22 is pulled by the winding mechanism 20 in the winding direction. Accordingly, the slack of the screen 22 is prevented and the screen 22 is expanded. Further, an assist spring 50 is provided between the distal end side of the lever 36 and the base member 12, and an assist force is applied to the lower arm 42 in the R5 direction by the assist spring 50.

  Moreover, in this light-shielding device 10, the 1st bracket 46 which supports the rotation arm 18 so that rotation is possible is provided in the longitudinal direction edge part of the base member 12, and a pair of rotation arm 18 was made into the deployment attitude | position. In some cases, the pair of rotating arms 18 are configured to extend substantially parallel to the C pillar 100 in a state of being close to the C pillar 100. The screen 22 is formed in a trapezoidal shape along the C pillar 100.

  On the other hand, as shown in FIGS. 2 and 3, when the drive motor 14 is reversed and the link lever 32 is rotated in the R2 direction, the lever 36 is rotated in the R4 direction and the lower arm 42 is rotated in the R6 direction. Moved. When the lower arm 42 is rotated in the R6 direction, the upper arm 40 is rotated in the R8 direction. As shown in FIG. 1, when the upper arm 40 and the lower arm 42 are in the retracted posture, the screen 22 is wound around the winding mechanism 20.

  Next, the light shielding device 10 according to the embodiment of the present invention will be described in more detail with reference to FIGS. 4A to 6.

  In the following, the configuration of one side in the width direction (left side in front view) of the light shielding device 10 will be described, but the other side in the width direction (right side in front view) of the light shielding device 10 is the same as one side in the width direction of the light shielding device 10. The description thereof will be omitted. In FIG. 6, the screen support member 24, the cap 26, and the cover member 30 are shown as viewed from the base member 12 side (the vehicle vertical direction lower side) in FIG. 1, and the rear package tray 28 is shown in FIG. 1 is a diagram seen from the development side of the screen 22 (upper side in the vehicle vertical direction).

  The cap 26 is arranged on the end side in the longitudinal direction of the screen support member 24, and has a fitting recess 52 that opens on the center side in the longitudinal direction of the screen support member 24. And this cap 26 is attached to the longitudinal direction end side of this screen support member 24 by inserting the longitudinal direction end side of the screen support member 24 in the fitting recessed part 52, and being fitted.

  A connecting portion 54 is integrally formed with the cap 26, and the distal end side of the upper arm 40 is rotatably connected to the connecting portion 54. The cap 26 is formed with an accommodation recess 56 that opens on the opposite side of the fitting recess 52, and the cover member 30 is accommodated in the accommodation recess 56.

  A guide groove 58 is formed on the side surface of the cover member 30, and a guide protrusion 60 is formed on the side wall portion of the housing recess 56. The cover member 30 is supported so as to be movable in the longitudinal direction of the screen support member 24 with respect to the cap 26 by inserting the guide protrusion 60 into the guide groove 58.

  A rack 62 is formed on the cover member 30 along the longitudinal direction of the screen support member 24, and a pinion 64 that meshes with the rack 62 is formed on the distal end side of the upper arm 40. The pinion 64 can enter and exit the housing recess 56 through a slit 66 formed in the cap 26. The rack 62 and the pinion 64 constitute an interlocking mechanism 68.

  As shown in FIG. 4A, when the upper arm 40 is rotated in the R8 direction (the pair of rotating arms 18 are changed to the retracted position), the interlocking mechanism 68 interlocks with the cover member 30 by X2. The cover member 30 extends in the longitudinal direction of the screen support member 24 from the longitudinal end side of the cap 26 to the outside.

  Further, as shown in FIG. 4B, the interlocking mechanism 68 is configured so that when the upper arm 40 is rotated in the R7 direction (the pair of rotating arms 18 are changed to the deployed posture), the cover member is interlocked with the cover member. 30 is slid in the X1 direction, and the cover member 30 is retracted into the housing recess 56.

  As shown in FIG. 6, a hole 70 is formed in the rear package tray 28 along the longitudinal direction of the base member 12 described above. The hole 70 includes a body hole 70A (a region excluding both ends in the longitudinal direction of the hole 70) through which the screen 22, the upper arm 40, and the lower arm 42 are put in and out, and a longitudinal end of the base member 12 from the body hole 70A. An extension hole 70 </ b> B (regions on both ends in the longitudinal direction of the hole 70) that extends toward the side and through which the lower arm 42 is put in and out is configured.

  The screen support member 24 and the pair of caps 26 are configured to close the main body hole 70 </ b> A of the above-described holes 70 when the pair of rotating arms 18 are in the retracted posture (see FIG. 1). .

  On the other hand, when the pair of rotating arms 18 is in the retracted position (see FIG. 1), the cover member 30 is extended outward from the longitudinal end of the cap 26, and is an extension hole of the above-described holes 70. 70B is configured to be closed.

  Next, the operation and effect of one embodiment of the present invention will be described.

  According to the light-shielding device 10 according to the embodiment of the present invention, as shown in FIG. 3, when the pair of rotating arms 18 are in the deployed posture, the pair of rotating arms 18 are close to the C pillar 100. In this state, it extends substantially parallel to the C pillar 100. The screen 22 is formed in a trapezoidal shape along the C pillar 100. Therefore, since the gap between the screen 22 and the pair of rotating arms 18 and the C pillar 100 can be reduced, the light shielding area of the screen 22 can be secured.

  Further, in the light shielding device 10, a hole 70 through which the screen 22 and the pair of rotating arms 18 can enter and exit is formed in the rear package tray 28 along the longitudinal direction of the base member 12. As shown in FIG. 1, when the pair of rotating arms 18 are in the retracted position and the screen 22 is in the winding state, as shown in FIG. 6, the screen support member 24 and the pair of caps 26. As a result, the main body hole 70A of the hole 70 is closed.

  Further, a pair of cover members 30 are provided on both ends in the longitudinal direction of the screen support member 24, and the pair of cover members 30 are configured as a pair of rotating arms 18 as shown in FIGS. Is in the retracted position, the interlock mechanism 68 extends from both ends in the longitudinal direction of the cap 26 to the outside along the longitudinal direction of the screen support member 24. The extension hole 70 </ b> B in the hole 70 shown in FIG. 6 is closed by the cover member 30.

  As described above, according to the light shielding device 10, when the pair of rotating arms 18 are in the retracted posture and the screen 22 is in the winding state, the holes 70 formed in the rear package tray 28 are formed in the screen support member 24. The pair of caps 26 and the pair of cover members 30 are closed. Therefore, foreign matter can be prevented from entering the inside of the rear package tray 28 through the hole 70, and the appearance of the rear package tray 28 can be improved.

  Moreover, according to the light shielding device 10, when the pair of rotating arms 18 are in the deployed posture and the screen 22 is in the deployed state, the pair of cover members 30 are interlocked as shown in FIGS. The mechanism 68 is retracted inside the cap 26. Therefore, when the screen 22 is in the unfolded state, the pair of cover members 30 are prevented from projecting outward from the longitudinal ends of the cap 26, and the longitudinal ends of the screen support member 24 are reduced in size. Can improve the appearance.

  Further, according to the light shielding device 10, as shown in FIG. 4B, when the pair of cover members 30 are positioned at the retracted position, the cover members 30 are respectively accommodated in the accommodating recesses 56 formed in the cap 26. . Thereby, the longitudinal direction both ends of the screen support member 24 can be further reduced in size, and the appearance can be improved.

  Further, according to the light shielding device 10, the interlocking mechanism 68 has a simple configuration including the rack 62 formed on the cover member 30 and the pinion 64 formed on the distal end side of the upper arm 40. The structure can be simplified and miniaturized. In particular, since the rack 62 is configured to be accommodated in the accommodating recess 56 together with the cover member 30, both end sides in the longitudinal direction of the screen support member 24 can be further reduced in size.

  Next, a modification of one embodiment of the present invention will be described.

  In the above embodiment, the interlocking mechanism 68 is configured by the rack 62 and the pinion 64, but may have other configurations as long as it has a function equivalent to this.

  For example, as shown in FIGS. 7A and 7B, the interlocking mechanism 68 includes a first link 72 integrally formed on the distal end side of the upper arm 40, and a cover that is rotatably connected to the first link 72. You may be set as the structure which has the 2nd link 74 connected with the rear-end part of the member 30 so that rotation was possible.

  8A and 8B, the interlocking mechanism 68 includes a first gear 82 integrally formed on the distal end side of the upper arm 40, a first gear 82 rotatably supported by the cap 26, and the first gear 82. The meshed second gear 84, a cam 86 that is connected to the second gear 84 so as to be rotatable together with the rear end surface of the cover member 30, and the cover member 30 with respect to the cap 26 at the retracted position side. It may be configured to have a spring 88 as a biasing member that biases the spring.

  9A and 9B, the interlocking mechanism 68 is formed integrally with the front end side of the upper arm 40 and is slidably contacted with the rear end surface of the cover member 30, and the cover member 30 is capped. 26 and a spring 98 as a biasing member that biases toward the retracted position side.

  As described above, when the interlock mechanism 68 includes the spring 88 or the spring 98, the cover member 30 is urged toward the retracted position with respect to the cap 26. The backlash can be suppressed.

  Further, in the above embodiment, the hole 70 is formed in the rear package tray 28, but a notch may be formed instead of the hole 70.

  Moreover, in the said embodiment, although the member which covers the base member 12, the drive motor 14, and the winding mechanism 20 from the expansion | deployment side of the screen 22 was the rear package tray 28, it is set as the other plate-shaped member. May be.

  In the above embodiment, the member that closes the main body hole 70 </ b> A of the holes 70 is the screen support member 24 and the pair of caps 26. It may be a closing member provided in the.

  In the above embodiment, the screen 22 is developed and wound by the rotating arm 18 including the upper arm 40 and the lower arm 42. However, the screen 22 is expanded and wound only by the rotating arm corresponding to the lower arm 42. You may be set as the structure wound up.

  As mentioned above, although one Embodiment of this invention and its modification were demonstrated, this invention is not limited above, In the range which does not deviate from the main point, it carries out various deformation | transformation in addition to the above. Of course, it is possible.

DESCRIPTION OF SYMBOLS 10 ... Shading device, 12 ... Base member, 14 ... Drive motor, 18 ... Rotating arm, 20 ... Winding mechanism, 22 ... Screen, 24 ... Screen support member (Part of the closing member), 26 ... cap (part of the closing member), 28 ... rear package tray (plate-like member), 30 ... cover member (auxiliary closing member), 56 ... Housing recess, 62 ... rack (part of interlocking mechanism), 64 ... pinion (part of interlocking mechanism), 68 ... interlocking mechanism, 70 ... hole, 70A ... main body hole (hole) Area excluding both ends in the longitudinal direction), 70B ... extension holes (areas on both ends in the longitudinal direction of the hole), 72 ... first link (part of the interlocking mechanism), 74 ... second link ( Part of interlocking mechanism), 82 ... first gear (part of interlocking mechanism), 84 ... second gear (interlocking mechanism) Some of the structure), 86 and 96 part of ... cam (interlock mechanism), a part of 88, 98 ... spring (interlock mechanism, biasing member) 100 ... C-pillar

Claims (4)

A base member formed in a longitudinal shape;
A drive motor provided on the base member;
The longitudinal direction of the base member is a screen width direction, and a sheet-like shape that can take up a winding state wound around a winding mechanism provided on the base member and a developed state developed from the winding mechanism. Screen,
Each base end side is pivotally supported on both longitudinal ends of the base member, and the distal end side is pivotally connected to the unfolding side of the screen, and receives the driving force of the drive motor, A pair of rotating arms that are changed to a retracted posture for bringing the winding state into an unfolded posture for bringing the screen into the unfolded state;
At least the base member, the drive motor, and the winding mechanism are covered from the deployment side of the screen, and a hole or a notch through which the screen and the pair of rotating arms can enter and exit is provided in the longitudinal direction of the base member. A plate-like member formed along;
An area excluding the both ends in the longitudinal direction of the hole or the notch when the pair of rotating arms are in the retracted posture, provided at the end of the screen on the developing side in the longitudinal direction. A closing member for closing
When the pair of rotating arms extend in the longitudinal direction of the closing member from the both ends in the longitudinal direction of the closing member and are in the retracted posture, the holes or the notches on both ends in the longitudinal direction of the notch A pair of auxiliary closing members capable of taking an extended position for closing the region and a retracted position retracted inside the closing member with respect to the extended position;
The pair of auxiliary closing members are positioned at the extended position in conjunction with the pair of rotating arms being changed to the retracted posture, and the pair of rotating arms are changed to the deployed posture. An interlocking mechanism for positioning the pair of auxiliary closing members in the retracted position in conjunction with
A light-shielding device. On both ends in the longitudinal direction of the closing member, receiving recesses for receiving the auxiliary closing member when the pair of auxiliary closing members are positioned at the retracted position are formed, respectively.
The light-shielding device according to claim 1. The interlocking mechanism is
A rack formed in the auxiliary closing member along the longitudinal direction of the closing member;
A pinion formed on the tip side of the pivot arm and meshed with the rack;
Having
The light shielding device according to claim 1 or 2. The interlocking mechanism includes a biasing member that biases the auxiliary closing member toward the retracted position with respect to the closing member.
The light shielding device according to claim 1 or 2.

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