JP5187090B2 - Mounting structure for vehicle curtain-shaped shielding member - Google Patents

Description

  The present invention relates to a mounting structure for a curtain-like shielding member provided on a window of a vehicle, and belongs to the field of vehicle interior technology.

  In recent years, in vehicles, in addition to an airbag device for protecting an occupant from an impact load from the front, a curtain airbag device for protecting the occupant from an impact load from the side is sometimes provided. In this curtain airbag device, an airbag is housed in the vehicle front-rear direction above the windows and pillars forming the side of the vehicle body, and the airbag is subjected to gas pressure from the inflator when an impact load is applied from the side. For example, the top ceiling that covers the roof panel from the vehicle interior side is deformed or broken and expanded downward along the window glass or the inner surface of the pillar.

  On the other hand, for the purpose of ensuring the privacy of the passenger compartment or improving the comfort of the passenger compartment, a shield member such as a curtain or a blind that shields the line of sight from the outside of the vehicle is installed as an optional item on the side or rear window of the rear seat of the vehicle body. Sometimes. Patent Document 1 discloses a shield member of this type having a curtain airbag function as described above.

Japanese Patent Laid-Open No. 11-48902

  By the way, when the curtain airbag device is operated, the top sealing is deformed downward by the inflation of the airbag, and the window disposed on the window on the side surface of the vehicle body from the gap formed near the side end portion of the top sealing due to the deformation. In the case of a structure in which the airbag is deployed downward along the glass, the following problems may occur when a shielding member such as a curtain or a blind is attached to the window.

  In other words, when a shielding member is attached to the window, and this shielding member is positioned at the upper part of the window, the curtain airbag device is activated, and the air bag deforms from the gap generated by deforming the top ceiling downward. When attempting to deploy downward along the window glass, the airbag comes into contact with the shielding member at the upper part of the window. Therefore, the smooth deployment of the airbag is hindered, and there is a possibility that the passenger protection function cannot be fully exhibited. Therefore, when the curtain airbag device as described above is equipped, it is difficult to attach a shielding member such as a curtain or a blind to the window on the side of the vehicle body.

  This is because the curtain airbag device is provided above the rear surface of the vehicle body, for example, at the top of the back door, and the airbag is configured to deploy downward along the window glass of the window on the rear surface of the vehicle body. The same applies when a shielding member such as a curtain is attached to the window.

  Therefore, the present invention prevents the deployment of the airbag from being obstructed by the shielding member even when the shielding member is attached to the window in the vehicle equipped with the curtain airbag device. It is an object to make it possible to mount a shielding member on a vehicle.

  In order to solve the above problems, the present invention is configured as follows.

  First, in the invention according to claim 1 of the present application, a curtain airbag device is provided in the vicinity of an upper portion of a window provided in a vehicle body, and a roof panel is covered from the vehicle interior side, and a side end portion is arranged on the window. A soft top sealing that is directed to the vicinity of the upper edge of the installed window glass and a curtain-shaped shielding member that covers at least the upper part of the window glass from the vehicle interior side, and the curtain airbag device includes: In the non-operating state, the wind glass is housed along the upper edge of the window glass, and expands by receiving the gas pressure from the inflator. A curtain-shaped shielding member mounting structure for a vehicle having an airbag that extends downward from a gap formed on the side, wherein the window glass is disposed A support member for supporting the shielding member is provided on a vehicle body member in the vicinity of the side edge of the window, and the supporting member supports the shielding member so as to be movable in the vertical direction at least at the upper part of the window. Features.

  Here, the window glass includes not only those provided on the windows on the side of the vehicle body but also those provided on the windows on the rear surface of the vehicle such as a back door window. Therefore, the curtain airbag device may be equipped on the side of the vehicle body or on the rear.

  The invention according to claim 2 is the attachment structure of the curtain-shaped shielding member for a vehicle according to claim 1, wherein the vehicle body member is two pillars adjacent to each other with the window interposed on the side surface of the vehicle body, The support member is a rail member attached to these pillars.

  According to a third aspect of the present invention, in the attachment structure for a curtain-shaped shielding member for a vehicle according to the second aspect, a holding portion for holding the shielding member is provided on an upper portion of the rail member, The holding part is configured to release the holding of the shielding member when the airbag comes into contact with the upper part of the shielding member when the airbag is deployed.

  Further, the invention according to claim 4 is the vehicle curtain-like shielding member mounting structure according to any one of claims 1 to 3, wherein the shielding member is biased downward. It is characterized by that. Here, as means for urging, there are a method of applying an elastic force to the shielding member itself, a method of providing an elastic member between the shielding member and the vehicle body member, and the like.

  According to a fifth aspect of the present invention, in the vehicle curtain-shaped shielding member mounting structure according to any one of the first to fourth aspects, the shielding member moves the upper part upward. It is comprised so that a window may be shielded by.

  With the configuration described above, according to the invention of each claim, the following effects can be obtained.

  First, according to the first aspect of the present invention, in a vehicle in which a curtain airbag device is provided in the vicinity of an upper portion of a window provided in a vehicle body and a shielding member is mounted on the window, an impact load acts. When the airbag is inflated by the operation of the curtain airbag device, the airbag is deformed downward along the window glass from the gap formed on the windshield side of the top sealing side end while deforming the top leasing downward. Will expand to.

  At this time, if a part or all of the shielding member attached to the window is located at the upper part of the window, the airbag comes into contact with the upper part of the shielding member. The support member provided on the vehicle body member near the side of the window is supported so as to be movable in the vertical direction at least at the upper part of the window. Will move. Therefore, the airbag is smoothly deployed from below to the vehicle interior side without being obstructed by the shielding member, and exhibits the intended function.

  According to a second aspect of the present invention, when the window is provided between two pillars adjacent to each other on the side surface of the vehicle body, the support member is constituted by a rail member attached to these pillars. Therefore, the shielding member can be reliably moved downward when the airbag is in contact without newly providing a structure for providing the support member on the vehicle body side.

  According to the invention described in claim 3, since the holding portion for holding the shielding member is provided at the upper portion of the rail member, for example, the type in which the shielding member shields the window by moving the upper portion upward. In the case of a type that shields the window by moving the lower part downward while the window is shielded, the upper part is retained or the window is opened with the window shielded. The whole is held in the state.

  In these cases, when the curtain airbag device is operated in a state where a part or all of the shielding member is held on the upper portion of the window and the airbag comes into contact with the shielding member, the holding portion holds the curtain airbag device. Since it is comprised so that may be cancelled | released, a shielding member will move below reliably and will not prevent deployment of an airbag.

  Therefore, the window is normally shielded and opened by the shielding member, and the airbag is deployed well when the curtain airbag device is activated.

  Further, according to the invention described in claim 4, since the shielding member is biased downward, the curtain airbag device is operated in a state where a part or all of the shielding member is located at the upper part of the window, When the airbag comes into contact, the downward movement of the shielding member is assisted. Therefore, the shielding member is quickly retracted with respect to the deployment of the airbag, and the airbag is deployed better.

  According to the fifth aspect of the present invention, in the case where the shielding member is of a type that shields the window by moving the upper portion upward, the effects of the respective inventions are realized in a state where the window is shielded. .

  Hereinafter, embodiments of the present invention will be described.

  As shown in FIG. 1, a front seat 2, a second row seat 3, and a third row seat 4 are installed from the front in the vehicle interior of the vehicle 1 according to this embodiment. Further, an A pillar 5, a B pillar 6, a C pillar 7, and a D pillar 8 are disposed on the vehicle body side surface of the vehicle 1 from the front, and the front side is between the A pillar 5 and the B pillar 6. A rear side door 10 is provided between the B pillar 6 and the C pillar 7. A back door 11 is provided on the rear surface of the vehicle body.

  The windows provided in the side doors 9 and 10 and the back door 11 are respectively provided with window glasses 9a, 10a, and 11a. The window glass 11a is a fitting type. A rear window 12 is also provided between the C pillar 7 and the D pillar 8, and a fitting type window glass 12 a is mounted on the rear window 12. The rear side door 10, the back door 11, and the rear window 12 are fitted with curtains 13, 14, 15 that cover the window glass 10a, 11a, 12a from the vehicle interior side, respectively.

  On the other hand, in addition to an airbag device (not shown) for protecting the occupant of the front seat 2 from an impact load from the front, the vehicle 1 has occupants of the seats 2, 3, and 4 from the side. A curtain airbag device 20 is provided to protect against the impact load.

  As will be described later, the curtain airbag device 20 is in the stowed state above the side end of a soft top sealing (also referred to as a roof trim) 32 that covers the roof panel 31 (see FIG. 3) from the vehicle interior side. An airbag 21 disposed in the front-rear direction of the vehicle body along the upper edges of the windshields 9a, 10a, 12a of the front side door 9, the rear side door 10, and the rear window 12, and a supply passage 22 to the airbag 21. And an inflator 23 for supplying gas pressure for expansion and deployment.

  When the impact load from the side of the vehicle body is applied or predicted, the airbag 21 is inflated by the gas pressure from the inflator 23, and the side end of the top sealing 32 is deformed downward while As shown by a chain line from the gap, the window glass 9a, 10a, and 12a are spread downward to protect the passengers of the seats 2, 3, and 4.

  In that case, since the curtain 13 mounted on the rear door 10 is located outside the vehicle body from the gap where the airbag 21 is deployed, the deployment of the curtain 14 of the rear window 12 does not interfere with the gap. When located below and the curtain 14 is located above the rear window 12, there is a risk of hindering the deployment of the airbag.

  Next, the attachment structure of the curtain 14 in the vicinity of the rear window 12 configured to solve this problem will be described.

  FIGS. 2A and 2B respectively show a state in which the rear window 12 is shielded and opened by the curtain 14, and the curtain 14 can be vertically expanded and contracted along a horizontal fold line. At the same time, the left and right end portions are supported by rail members 16 and 16 extending in the vertical direction attached in the vicinity of the side end portion of the rear window 12 in the C pillar 7 and the D pillar 8 positioned in front and rear of the rear window 12. Has been.

  Then, with the lower end fixed, the upper end 14a is expanded by moving upward to shield the rear window 12, and the upper end 14a is contracted by moving downward to open the window 12. It is like that. Here, the upper end portion 14a of the curtain 14 is reinforced with a wire or the like, or is formed of a hard material in consideration of operability during opening and closing.

  FIG. 3 shows the structure around the rear window 12 to which the curtain 14 is mounted. The outer panel 33a and the inner panel are connected to the side end portion of the roof panel 31 at the upper side of the rear portion of the vehicle body. A roof side rail 33 having a closed cross-sectional structure with 33b is disposed in the longitudinal direction of the vehicle body.

  A soft top sealing 32 that covers the roof panel 31 and the roof side rail 33 from the vehicle interior side is disposed below the roof panel 31 and the roof side rail 33, and between the side end portion 32 a of the top ceiling 32 and the roof side rail 33. In the space, the airbag 21 of the curtain airbag device 20 is stored in a folded state, and an inflator 23 is disposed in the vicinity thereof.

  A rear fender 34 having a closed cross-sectional structure with an outer panel 34a and an inner panel 34b is disposed below the side part of the rear part of the vehicle body, and a rear wheel house trim 35 is disposed on the inner side of the vehicle. The C pillar 7 and the D pillar 8 are arranged in the vertical direction between the roof side rail 33 and the rear fender 34, and the rear window 12 is provided between the pillars 7 and 8.

  Here, the window glass 12a fitted in the rear window 12 is attached to flanges 33a 'and 34a' provided on the outer panel 33a of the roof side rail 33 and the outer panel 34a of the rear fender 34, respectively, and can be opened and closed by a passenger. It is not done.

  In the vicinity of the rear window 12, the side end portion 32a of the top ceiling 32 is disposed so as to face the upper edge of the window glass 12a disposed in the window 12. The side end portion 32a extending to the vicinity is deformed downward as indicated by an arrow A due to a load from above.

  As shown in FIG. 4, the C pillar 7 and the D pillar 8 have a closed cross-sectional structure composed of an outer panel 7a, 8a and an inner panel 7b, 8b, and the vehicle interior side is covered with a pillar trim 7c, 8c. It is said that. As shown in FIGS. 3 to 5, rail members 16 and 16 for supporting the curtain 14 are attached to the trims 7c and 8c of the C pillar 7 and the D pillar 8 so as to face each other in the vicinity of the window glass 12a. It has been. As shown in FIG. 3, the position of the upper end of the rail member 16 is slightly lowered so as not to prevent deformation of the top sealing side end 32a in the A direction.

  The rail member 16 has a C-shaped cross section, and is fixed to the pillar trims 7c and 8c at a plurality of locations using screws 17. A plurality of curtain hooks 18... 18 are slidably engaged with each rail member 16, and a plurality of portions on the side of the curtain 14 are fixed to the curtain hooks 18. The curtain 14 is guided by rail members 16 and 16 on the left and right sides, and is movable up and down. In that case, the curtain hook 18 fixed to the lower end of the curtain 14 is fixed to the rail member 16 so that the lower part of the curtain 14 does not move upward.

  Further, as shown in FIG. 5, the upper end portion of the rail member 16 has a holding portion for narrowing the interval through which the curtain hook 18 passes by cutting and raising the bottom surface and locking the curtain hook 18 at its upper position. 16a is provided.

  The holding portion 16a acts as a spring at the cut-out portion, and when the occupant raises or lowers the upper portion of the curtain 14, it sinks by its operating force and allows the curtain hook 18 to pass, and the curtain hook 18 moves upward. When it passes, the curtain hook 18 is engaged to prevent the curtain 14 from falling due to its own weight.

  When the curtain hook 18 is engaged with the holding portion 16a and a load is applied to the curtain 14 from above, the holding state of the curtain hook 18 by the holding portion 16a is released, and the curtain hook 18 or the like. The curtain 14 moves downward.

  Next, the operation of this embodiment will be described.

  When the occupant moves the curtain 14 mounted on the rear window 12 up and down with its upper end portion 14a formed relatively hard, the curtain hooks 18 ... 18 move up and down in the left and right rail members 16,16. By moving, it expands and contracts along the inner surface of the window glass 12a, and the rear window 12 shown in FIG. 2 (a) is shielded, or the rear window 12 shown in FIG. 2 (b) is opened. can do. In the shielded state, as shown in FIG. 5, the curtain hooks 18, 18 fastened to the uppermost portions on both sides of the curtain 14 are engaged with the holding portions 16 a, 16 a of the rail members 16, 16. Thus, the curtain 14 is held in a shielded state.

  On the other hand, when an impact load is applied or predicted from the side of the vehicle body, the curtain airbag device 20 is activated and the airbag 21 is inflated by the gas pressure from the inflator 23, as shown in FIG. The side end portion 32a of the soft top sealing 32 located immediately below the airbag 21 is deformed downward, and the deformation causes the gap B generated on the wind glass 12a side of the top sealing side end portion 32a. It develops downward along the wind glass 12a.

  At this time, as described above, when the curtain 14 is in a shielded state and the window glass 12a is covered from the inside of the vehicle, the airbag 21 to be deployed downward comes into contact with the upper portion of the curtain 14, Will hinder deployment.

  However, the holding portions 16a and 16a of the rail members 16 and 16 that engage with the curtain hooks 18 and 18 fixed to the uppermost portion of the curtain 14 and hold the curtain 14 in a shielding state are provided on the curtain 14 from above. When the load is applied, the locked state with respect to the curtain hooks 18 and 18 is released, so that the locking is released by the abutment of the airbag 21, and the curtain 14 has its own weight and the airbag 21. It moves downward due to the development pressure.

  In this way, the curtain 14 is quickly retracted downward and does not hinder the downward deployment of the airbag 21. As a result, as shown in FIG. 6, the airbag 21 is smoothly deployed downward, and the purpose of occupant protection is achieved.

  Next, the embodiment shown in FIGS. 7 and 8 will be described. In this embodiment, the curtain 114 is fixed at the upper end, and opens or shields the rear window 12 by moving the lower end 114a up and down. It is configured.

  In this case, in this embodiment, as shown in FIG. 8, the upper end of the curtain 114 is fixed to the upper portion of the rail member 116 that supports the side of the curtain 114 so that the fixing at the upper end does not hinder the deployment of the airbag 21. In the state where the first holding portion 116a engaged with the curtain hook 118a fixed to the upper end portion and the lower end portion 114a of the curtain 114 are moved upward (the rear window 12 is opened), the curtain 114 A second holding portion 116b that engages with the curtain hook 118b fixed to the lowermost portion is provided.

  These holding portions 116a and 116b normally engage with the curtain hooks 118a and 118b to hold the curtain 114 in a state where the rear window 12 is shielded or opened, but a load acts on the curtain 114 from above. In this case, the first holding portion 116a is disengaged from the uppermost curtain hook 118a, and the second holding portion 116b is released from the lowermost curtain hook 118b, and the upper curtain hook 118c and 118a are passed downward.

  Therefore, when the curtain airbag device 20 is activated and the airbag 21 is deployed and comes into contact with the upper portion of the curtain 114, the curtain hooks 118a, 118b, and 118c slide downward in the rail members 116 and 116, and the curtain 114 moves downward. Thereby, the airbag 21 is satisfactorily deployed without being obstructed by the curtain 114.

  In the above embodiment, the curtain hook 218 may be fixed to the side end of the curtain 214 as shown in FIG.

  The embodiment shown in FIGS. 10 and 11 uses a snap member instead of the rail member as a support member for supporting the curtain 314. In this embodiment, the lower end of both sides of the curtain 314 is a fixing member. 317 and 317 are respectively fixed to the rear edge portion 7c 'of the C pillar trim 7c and the front edge portion 8c' of the D pillar trim 8c, and the rear edge portion 7c 'of the trim 7c and the front edge portion 8c' of the trim 8c. A plurality of trim side snap members 316a... 316a are attached above and below the fixing portion of the curtain 314, and the curtain side snap members 316b paired with both sides are attached to both sides of the curtain 314. ... 316b is attached at the corresponding position.

  According to this embodiment, the curtains 314 whose lower ends on both sides are fixed to the trims 7c, 8c are expanded upward, and the curtain side snap members 316b ... 316b are coupled to the corresponding trim side snap members 316a ... 316a. Then, the rear window 12 is shielded by the curtain 314. Further, if the curtain 314 is contracted and the uppermost curtain side snap members 316b and 316b are joined to the intermediate height trim side snap members 316a and 316a, the rear window 12 is opened according to the joining position. Thus, the curtain 314 is supported so as to shield and open the rear window 12.

  The support state of the curtain 314 is released when the trim side snap member 316a and the curtain side snap member 316b are separated by the action of an external force, so that the curtain 314 shields the rear window 12. When the curtain airbag device 20 is activated and the airbag 21 comes into contact with the upper portion of the curtain 314, the support in the shielded state is released. As a result, as in the above-described embodiments, at least the upper part of the curtain 314 moves downward, and the airbag 314 is deployed well.

  In this embodiment, the lower end of the curtain 314 is moved upward by moving the lower end of the curtain 314 upward if the lower end of the curtain 314 is fixed by the fixing members 317 and 317 instead of being fixed by the snap members. Therefore, the rear window 12 can be opened. In this case, the airbag 21 is deployed to release the snap members and move the upper part or the whole of the curtain 314 downward. Become.

  Furthermore, in the above embodiment, when the airbag 21 abuts on the upper part of the curtain, an urging means for urging the curtain downward may be provided in order to assist the downward movement of the curtain. Good.

  As this urging means, for example, rubber is used for the curtain or the material of the curtain itself is configured so that a force for restoring from the expanded state to the contracted state works. The elastic member is attached to the upper part of the curtain to apply a downward inferior force. With these, when the airbag comes into contact, the movement of the lower part of the curtain is assisted to quickly retreat. As a result, the air bag is deployed better.

  The above embodiment relates to the curtain mounted on the rear window 12 on the side surface of the vehicle body. However, when the curtain airbag device is mounted on the upper portion of the back door 11 on the rear surface of the vehicle body, the back door 11 is used. By adopting the same mounting structure as that of the curtain of the rear window 12 for the curtain 15 attached to the window of the rear door, the airbag can be satisfactorily deployed also for the curtain airbag device of the back door.

  Further, the curtain is not limited to an accordion type as shown in the figure, and may be a flexible cloth or a blind type.

  As described above, according to the present invention, in the vehicle equipped with the curtain airbag device, the curtain mounted on the window is prevented from obstructing the deployment of the airbag. Can be installed. Therefore, the present invention may be suitably used in the vehicle manufacturing industry.

1 is a schematic side view of a vehicle in which the present invention is implemented. It is a front view of the rear window which shows the shielding state and open state of the curtain of a 1st embodiment. It is an expanded sectional view by the XX line of Fig.2 (a). It is an expanded sectional view by the YY line of Fig.2 (a). It is an expanded sectional view by the ZZ line of FIG. It is sectional drawing equivalent to FIG. 3 which shows the expansion | deployment state of an airbag. It is a front view of the rear window in a 2nd embodiment. It is an expansion longitudinal cross-sectional view of the rail member upper part in the embodiment. It is an expansion cross-sectional view of the curtain in 3rd Embodiment. It is a front view of the rear window in a 4th embodiment. It is an expansion cross-sectional view of the curtain in the same embodiment.

Explanation of symbols

1: Vehicles 7c, 8c: Pillar trim (vehicle body member)
12: Rear window (window)
12a: Wind glass 14, 114, 214, 314: Curtain (shielding member)
16, 116: Rail member (support member)
16a, 116a, 116b: holding portions 316a, 316b: snap members (support members)
20: Curtain airbag device 21: Airbag 31: Roof panel 32: Top sealing

Claims (5)

A curtain airbag device is deployed in the vicinity of the upper part of the window provided in the vehicle body, and
A soft top sealing that covers the roof panel from the vehicle interior side and whose side end portion is directed to the vicinity of the upper edge of the window glass disposed in the window;
A curtain-shaped shielding member that covers at least the upper part of the window glass from the vehicle interior side is provided,
The curtain airbag device is housed along the upper edge of the window glass in a non-actuated state, and when it is expanded by receiving gas pressure from an inflator, the top sealing is deformed downward while the top sealing is being performed. It is an attachment structure of a curtain-like shielding member for a vehicle having an airbag that extends downward from a gap generated on the side of the wind glass side,
A support member for supporting the shielding member is provided on a vehicle body member in the vicinity of a side end portion of the window in which the window glass is disposed,
The mounting structure for a curtain-shaped shielding member for a vehicle, wherein the supporting member supports the shielding member so as to be movable in the vertical direction at least at an upper portion of the window. In the mounting structure of the curtain-shaped shielding member for a vehicle according to claim 1,
The vehicle body member is two pillars adjacent to each other across the window on the vehicle body side surface,
The mounting structure for a curtain-shaped shielding member for a vehicle, wherein the support member is a rail member attached to these pillars. In the mounting structure of the curtain-shaped shielding member for a vehicle according to claim 2,
A holding portion for holding the shielding member is provided on the upper portion of the rail member,
The holding portion is configured to release the holding of the shielding member when the airbag comes into contact with the upper portion of the shielding member when the airbag is deployed. Mounting structure for shielding member. In the mounting structure of the curtain-shaped shielding member for a vehicle according to any one of claims 1 to 3,
A structure for mounting a curtain-shaped shielding member for a vehicle, wherein the shielding member is biased downward. In the mounting structure of the curtain-shaped shielding member for a vehicle according to any one of claims 1 to 4,
A structure for mounting a curtain-shaped shielding member for a vehicle, wherein the shielding member is configured to shield a window by moving an upper portion upward.

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