JP2009166699A - Seat belt device of automobile, and its assembling method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively prevent a webbing from forming any obstacle when longitudinally moving a seat cushion of a seat for an occupant. <P>SOLUTION: An automobile in which a seat 1 for an occupant is installed movably along the longitudinal direction in a cabin, and an opening part 3 for getting-in/getting-off is formed in a side surface part of the cabin has an operating member 9 for the seat provided at a part located on the opening part 3 side of the seat 1 for the occupant, a webbing 11 for a seat belt device for restraining the occupant seated on the seat 1 for the occupant, a lap anchor for fixing one end of the webbing to a lower side part of the opening part, and an anchor cover 13 which is installed extending upwardly from a fixing part of the lap anchor to restrain the webbing 11. In a non-service state of the webbing 11, the restraining position of the webbing 11 by the anchor cover 13 is set on the outer side from the installation position of the operating member 9 for the seat in the vehicle width direction. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an automobile seat belt device used by an occupant seated on an occupant seat and an assembling method thereof.

  Conventionally, as shown in Patent Document 1 below, an inflator gas is introduced along a webbing (lap belt) for a seatbelt device that restrains the occupant's waist, and the airbag is provided along the webbing. In the seat belt device equipped on the vehicle body side, the base end of the inflator gas introduction conduit is connected to the vehicle body side via the vicinity of the anchor member fixing portion of the webbing. The inflator gas introduction pipe is connected from the webbing side to the inflator side via a point on the axis of rotation of the anchor member so that the inflator can rotate as the passenger leans forward. The webbing-side inflator gas introduction conduit and the inflator-side inflator gas are arranged at points on the rotational axis. In a seatbelt device provided with a rotation allowing portion that allows relative rotation of the introduction pipe line, an anchor cover that rotates integrally with the anchor member is attached to the anchor member, and an insertion hole that is positioned on the rotation axis line in the anchor cover A webbing-side inflator gas introduction line is accommodated in the anchor cover, and the webbing-side inflator gas introduction line is drawn out through the insertion hole to the inflator-side inflator gas introduction line. By communicating, the inflator gas introduction conduit is disposed from the webbing side to the inflator side via the point on the rotation axis.

Further, as shown in Patent Document 2 below, a pretensioner body that generates a tensile force by reacting to a deceleration exceeding a certain value acting on the vehicle body is disposed on the side of the seat cushion, and a wire is attached to the pretensioner body. In the seat belt pretensioner, the movable body is connected to the movable body through one end, and one end of a webbing for a seat belt device is connected to the movable body, and the webbing is pulled by pulling the wire with the tensile force. Enclose with (storage cover), attach the lower part of this anchor cover to the pretensioner body, provide a passage through which one end of the webbing passes at the upper part of the anchor cover, and temporarily fix the webbing to the anchor cover at the part of this passage The temporary fixing is configured to be broken when the webbing is pulled in with the tensile force. Seat belt device for a vehicle is known.
JP 2004-351948 A JP 2004-322739 A

  As disclosed in Patent Documents 1 and 2, the webbing for the seat belt device is fixed to the vehicle body via the lap anchor, and the anchor cover is installed so as to cover the fixing portion of the webbing by the lap anchor. In this case, by concealing the fixed portion of the lap anchor fixed to the vehicle body side member via an anchor bolt or the like with the anchor cover, the appearance in the vehicle cabin can be effectively improved. However, depending on the installation position of the lap anchor or the like, when moving the occupant seat back and forth, or when the occupant gets on or off the car, the webbing of the sieve belt device fixed to the vehicle body by the lap anchor is obstructive. There was a problem.

  That is, the webbing of the seat belt device is fixed to a vehicle body side bracket or the like via a lap anchor on the rear side of the seat cushion so that an occupant seated on the occupant seat can be properly restrained. When the seat belt device is not used, the webbing is installed in a state of hanging along the side surface portion of the passenger compartment. The occupant seat is provided with a seat operation member for unlocking a reclining mechanism that supports the seat back so that the seat back can tilt or a seat slide mechanism that supports the seat cushion so that the seat cushion can move back and forth. When the seat cushion of the passenger seat is moved back and forth, there is a possibility that the seat operating member may be caught on the webbing.

  In addition, a front row seat consisting of a driver seat and a passenger seat is installed in the front part of the passenger compartment, a rear row seat is installed on the rear side, and a common passenger used by each passenger who gets on and off the front row seat and the rear row seat. In an automobile in which the entrance for getting on and off is formed in the side part of the passenger compartment, an occupant riding in the passenger compartment from the entrance for getting on and off passes through the rear of the front row seat and moves to the rear row seat side in order to sit on the rear row seat. In this case, there is a problem that the passenger's feet and the like interfere with the webbing and the boarding / exiting property is easily hindered.

  The present invention has been made in view of the above-described problems, and webbing is an obstacle when the seat cushion of the occupant seat is moved back and forth, or when the occupant gets into the passenger compartment from the passenger opening. It is an object of the present invention to provide an automobile seat belt device that can effectively prevent the above.

  The invention according to claim 1 is used when the occupant's seat is installed so as to be movable along the front-rear direction of the passenger compartment, and when the occupant gets on and off the installed part of the occupant seat or the rear part thereof. In an automobile in which an opening for getting on and off is formed on a side surface of a passenger compartment, an operation member for a seat provided at a portion located on the side of the opening for getting on and off of the passenger seat and an occupant seated on the passenger seat The webbing for the seat belt device to be restrained, the lap anchor for fixing one end of the webbing to the lower side of the opening for getting on and off, and the wrap anchor is installed so as to extend upward from the fixing part of the lap anchor. An anchor cover for restraining the webbing, and the restraining position of the webbing by the anchor cover when the webbing is not used is Those that are set in the vehicle outside than the installation position in the vehicle width direction.

  According to a second aspect of the present invention, in the seat belt device for an automobile according to the first aspect, when the seat belt device is not used, at least a part of the webbing that extends upward from the fixed portion of the lap anchor is: The restraining position of the webbing by the anchor cover is set so as to be held in contact with the side wall surface portion located on the outer side of the vehicle with respect to the installation portion of the lap anchor.

  According to a third aspect of the present invention, in the seat belt device for an automobile according to the first or second aspect, a mounting opening for the webbing is formed on the outer wall surface of the anchor cover, and the mounting opening. A pair of front and rear webbing restraint portions are disposed in the vicinity of the upper end of the webbing, and a slit having a width dimension through which the webbing can be inserted is provided between the two webbing restraint portions, so that the webbing can be prevented from coming out. Are provided with a bent portion.

  According to a fourth aspect of the present invention, in the automobile seat belt device according to any one of the first to third aspects, a tension is applied to the webbing by pulling a wire member provided at one end of the webbing in an emergency. A pretensioner mechanism that covers the installation portion of the wire member with an anchor cover, and the webbing is restrained by the anchor cover.

  According to a fifth aspect of the present invention, in the seat belt device for an automobile according to the fourth aspect, a pretensioner mechanism is installed along the lower side of the opening for getting on and off, and when the seat belt device is not used, The restraining position of the webbing by the anchor cover is set such that at least a part of the webbing or anchor cover extending upward from the engaging part of the wire member is in contact with the side wall surface part located on the outer side of the vehicle. In addition, when the pretensioner mechanism is operated, the tip of the anchor cover is supported so as to be movable toward the center in the vehicle width direction.

  The invention according to claim 6 is the vehicle seat belt device according to any one of claims 1 to 5, wherein the anchor cover has an upper end positioned above the seat operating member. The installation height of the cover is determined.

  The invention according to claim 7 is the seat belt device for an automobile according to any one of claims 1 to 6, wherein the seat is provided in the vicinity of a connecting portion between a seat cushion and a seat back constituting the passenger seat. The operation member for operation is arranged.

  According to an eighth aspect of the present invention, in the automobile seat belt device according to any one of the first to seventh aspects, the anchor cover is located outside the installation portion of the passenger opening when the seat belt device is not used. It is arrange | positioned so that it may be located.

  The invention according to claim 9 is the method for assembling the vehicle seat belt device according to claim 3, wherein a slit between both webbing restraint portions provided on the vehicle outer wall surface of the anchor cover is provided. In the state where the anchor cover is mounted on the webbing by introducing the webbing of the seat belt device into the opening for mounting the anchor cover, and the anchor cover is separated from the lap anchor provided at one end of the webbing, After fixing this lap anchor to the lower side of the opening for getting on and off with an anchor bolt, the anchor cover is slid downward along the webbing, and its lower end is externally fitted to the fixing part of the lap anchor by the anchor bolt. By extending the lap anchor, it extends from the fixed part of the lap anchor upward It is those that were restrained in the anchor cover the Ebingu.

  In the invention according to claim 1, when the webbing is not used, the vicinity of one end of the webbing extending upward from the fixed part of the lap anchor is restrained by the anchor cover, and the seat operating member is installed in the vehicle width direction. Since the webbing is held in a state of being positioned on the vehicle outer side than the position, the passenger who gets into the passenger compartment through the passenger opening and exits and sits on the passenger seat on the front row side, The seat operating member can be effectively prevented from being caught by the webbing when moving to the side, and the front row for the passengers who have boarded the passenger compartment from the entrance for getting on and off to sit in the back row passenger seat The passenger's feet interfere with the webbing when traveling through the rear of the passenger's seat and moving to the rear of the passenger seat. There is an advantage that can be prevented.

  In the invention according to claim 2, when the seat belt device is not used, at least a part of the webbing extending upward from the fixing portion of the lap anchor is positioned on the outer side of the vehicle from the installation portion of the lap anchor. Since the restraining position of the webbing by the anchor cover is set so as to be held in contact with the side wall surface portion to be moved, when the seat cushion of the occupant seat is moved back and forth, or from the passenger opening to the passenger compartment, When getting in, the webbing can be more effectively prevented from interfering with the webbing when the vehicle is running in a non-use state of the seat belt device, as in the case where the webbing is installed away from the side wall surface portion. The advantage is that it is possible to effectively prevent the generation of abnormal noise due to the webbing vibrating and being struck against the side wall surface part. That.

  In the invention according to claim 3, a mounting opening for the webbing is formed on the vehicle outer wall surface of the anchor cover, and a pair of front and rear webbing restraint portions are disposed in the vicinity of the upper end of the mounting opening. Assembling work of the above-mentioned seat belt device because a slit having a width dimension through which the webbing can be inserted is provided between the webbing restraint parts and a bent part is provided in the slit to prevent the webbing from coming off. The anchor cover can properly restrain the webbing of the seat belt device, and the anchor cover covers the inner surface of the lap anchor to effectively improve the appearance in the vehicle interior. Can be.

  In the invention according to claim 4, in the seat belt device for an automobile provided with a pretensioner mechanism that applies tension to the webbing by pulling the wire member provided at one end of the webbing in an emergency, the wire member installation portion is provided. The webbing is covered with the anchor cover and the webbing is restrained by the anchor cover, so that when the seat cushion of the passenger seat is moved back and forth, or when the passenger gets into the passenger compartment from the passenger opening, the webbing is performed. There is an advantage that it is possible to effectively prevent obstruction and to effectively prevent the appearance of the wire member and the like from deteriorating due to the exposure in the vehicle interior.

  In the invention according to claim 5, the pretensioner mechanism is installed along the lower side portion of the opening for getting on and off, and at least the webbing or the anchor cover extending upward from the connecting portion of the wire member when the seat belt device is not used. Since the restraining position of the webbing by the anchor cover is set so that a part is in contact with the side wall surface portion located on the outer side of the vehicle, when the seat cushion of the passenger seat is moved back and forth, When the occupant gets into the passenger compartment from the opening for the vehicle, the webbing can be prevented more effectively, and the webbing vibrates when the vehicle is running when the seat belt device is not used. There is an advantage that it is possible to effectively prevent abnormal noises from being generated. Further, when the pretensioner mechanism is operated, for example, the webbing restrained by the anchor cover and held in contact with the side trim material is easily displaced toward the vehicle interior, so that an appropriate tension is applied to the webbing. There is an advantage that it can be granted.

  In the invention according to claim 6, since the installation height of the anchor cover is determined so that the upper end of the anchor cover is positioned above the seat operation member, when the seat cushion of the passenger seat is moved back and forth, The seat operating member disposed in the vicinity of the connecting portion between the seat cushion and the seat back effectively prevents the webbing from being caught by the seat operating member due to interference with the webbing restrained by the anchor cover. There is an advantage that you can.

  In the invention according to claim 7, since the seat operating member is disposed in the vicinity of the connecting portion between the seat cushion constituting the passenger seat and the seat back, the seat operating member is brought close to the installation position of the reclining mechanism or the like. Thus, the structure of the power transmission part can be simplified, and the anchor cover is used to restrain the vicinity of one end of the webbing even though the seat operating member is close to the fixing part of the webbing by the lap anchor. Thus, there is an advantage that the seat operating member can be effectively prevented from being caught on the webbing by holding the seat operating member in a state of being located on the vehicle outer side than the installation position in the vehicle width direction.

  In the invention according to claim 8, since the anchor cover is held in a state of being tilted backward in a side view, the anchor cover is configured to be positioned outside the installation portion of the entrance / exit opening portion. When occupants get on and off, it is possible to effectively prevent the occupant's feet from interfering with the webbing restrained by the anchor cover, and to prevent the anchor cover from being exposed to the outside through the opening for getting on and off. Thus, the appearance can be improved effectively.

  In the invention according to claim 9, the anchor cover is mounted on the webbing by introducing the webbing of the seat belt device into the mounting opening of the anchor cover through a slit between both webbing restraint portions provided on the anchor cover. In this state, the lap anchor is fixed to the lower side portion of the opening for getting on and off with an anchor bolt, and then the anchor cover is slid downward along the webbing, and the lower end portion is externally fitted to the fixing portion of the lap anchor. As a result, the seat belt device can be easily assembled and the webbing of the seat belt device can be properly restrained by the anchor cover, and the anchor cover can be wrapped. Covers the inner surface of the anchor to improve the appearance in the passenger compartment There is an advantage in that it is Rukoto.

  1 to 3 show a first embodiment of an automobile seat belt device according to the present invention. In the interior of the automobile, a front row passenger seat 1 including a driver seat and a passenger seat is disposed at the front portion thereof, and a rear row passenger seat 2 is disposed at the rear side thereof. Further, on the vehicle body side surface of the automobile, there is a single entry / exit opening portion having a predetermined opening area that is used when an occupant seated in the front row occupant seat 1 and the rear row occupant seat 2 gets on and off. 3 is formed, and a side door (not shown) for opening and closing the opening 3 for getting on and off is installed.

  The front row passenger seat 1 includes a seat cushion 6 that is slidably supported along a pair of left and right seat ride rails 5 and a seat back 7 that is erected upward from a rear end portion thereof. The seat back 7 is supported so as to be tiltable by a reclining mechanism 8 provided at the rear end of the seat cushion 6. In addition, the reclining mechanism 8 is unlocked in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7 when the occupant ascends and descends to the occupant seat 2 in the rear row through the opening 3 for getting on and off. Then, by tilting the seat back 7 forward, there is provided a seat operation member 9 including a lock release lever for enabling the passenger to easily get on and off.

  The seat operation member 9 is used when the occupant opens the side door and gets on the occupant seat 2 in the rear row from the opening 3 for getting on or off, or when the occupant seated on the occupant seat 2 in the rear row gets off. It is arranged at a position where it can be easily operated. Specifically, the seat operating member 9 is a portion located on the side of the opening 3 for getting on and off in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7, that is, a portion located on the outer side in the vehicle width direction. And it is arrange | positioned so that it may protrude in the back side of a vehicle body from a site | part slightly upper than the side sill 10 installed so that it may extend in the front-back direction of a vehicle body along the lower side part of the said opening part 3 for boarding / alighting.

  The seat belt device includes a webbing 11 constituting a shoulder belt and a lap belt for restraining an occupant seated on the occupant seat 1 in the front row, and one end portion thereof, that is, a front end portion on the lap belt side, of the opening 3 for getting on and off. It has a lap anchor 12 for fixing to the lower side portion, and an anchor cover 13 which is installed so as to extend upward from the fixing portion of the lap anchor 12 and restrains the vicinity of one end portion of the webbing 11.

  The other end of the webbing 11 is supported by a belt retractor 15 attached to a passenger compartment side wall (quarter panel) 14 located on the rear side of the opening 3 for getting on and off. A shoulder anchor 16 is installed on the side wall 14 of the passenger compartment to support the webbing 11 so that it can be pulled out into the passenger compartment above the belt retractor 15. Then, the tongue 17 slidably supported on the webbing 11 is engaged with a buckle (not shown) provided at a central portion of the seat cushion 6 in the vehicle width direction. Is held in the restraint position of the occupant.

  As shown in FIGS. 4 and 5, the wrap anchor 12 is formed with a locking hole that is locked when one end of the webbing 11 is inserted and sewn, and an insertion hole for the anchor bolt 19. It is made of metal plate material. The lap anchor 12 is fixed to the side sill 10 by, for example, screwing the screw shaft of the anchor bolt 19 inserted through the insertion hole of the lap anchor 12 to the nut plate 21 joined to the inner panel 20 of the side sill 10. ing. Then, one end portion of the webbing 11 is fixed to the lower side portion of the entrance / exit opening portion 3 via the lap anchor 12, so that the front seat 1 is attached to the rear side of the vehicle body when the seat belt device is not used. When moved to the position, the sheet operating member 9 and the webbing 11 restrained by the lap anchor 12 are arranged so as to be close to each other. 3 and 5 and the like, reference numeral 22 denotes a side trim material that covers the side sill 10 and the vehicle interior side wall of the vehicle interior side wall 14.

  The anchor cover 13 is formed of a hard synthetic resin material made of ABS material or PP material having a predetermined rigidity, and as shown in FIGS. 5 and 6, a plate-shaped cover body 23 and the cover body 23 And a peripheral wall portion 24 projecting from the bottom side and both front and rear side portions toward the vehicle outer side. The cover main body 23 is configured to cover the vehicle interior side surfaces of the lap anchor 12 and the webbing 11.

  A mounting opening 25 for the webbing 11 is formed on the vehicle outer wall surface located on the outer end side in the vehicle width direction of the anchor cover 13, and a pair of front and rear is provided near the upper end of the mounting opening 25. Webbing restraint portions 26 and 26 are disposed, and a slit 27 having a width dimension through which the webbing 11 can be inserted is formed between the webbing restraint portions 26 and 26. Then, as will be described later, in order to prevent the webbing 11 introduced into the mounting opening 25 of the anchor cover 13 through the slit 27 from accidentally coming out, the bent portion 28 bent into a bowl shape or the like is The slit 27 is formed at the middle in the vertical direction.

  In addition, a lap guide portion 29 having a predetermined width is provided at a position slightly below the intermediate portion in the vertical direction of the mounting opening 25 formed on the outer wall surface of the anchor cover 13, and the mounting opening 25 A pair of engagement pieces 30, 30 that are engaged with the lower side portion of the lap anchor 12 in the installed state of the anchor cover 13 protrude from the lower side portion. Furthermore, a contact plate 31 that contacts the upper surface of the head of the anchor bolt 19 when the anchor cover 13 is installed projects from the vehicle interior wall surface of the cover body 23.

  The thickness and the size of the lower part of the anchor cover 13 are set so as to be externally fitted to the anchor bolt 19 and the lap anchor 12 fixed to the side sill 10. Further, the upper portion of the cover body 23 is inclined toward the vehicle exterior side, and the width dimension of the peripheral wall portion 24 is formed so as to be narrowed so that the thickness of the upper portion of the anchor cover 13 is reduced to the lower portion. It is formed thinner than that. A gap for slidably supporting the webbing 11 is formed between the upper end portion of the cover main body 23 and the webbing restraining portions 26 and 26.

  In order to assemble the automobile seat belt apparatus configured as described above to the vehicle body, the belt retractor 15 is disposed and attached in the vehicle interior side wall 14, and is supported by the shoulder anchor 16 and introduced into the vehicle interior. A portion in the vicinity of one end portion of the webbing 11, that is, a portion of the webbing 11 located in the vicinity of the front end portion on the lap belt side where the lap anchor 12 is locked is formed between both webbing restraining portions 26 and 26 of the anchor cover 13. After being inserted along the slit 27, the lap anchor 12 is slid along the lap guide portion 29 so as to be led out from the mounting opening 25. As shown in FIG. 7, the anchor cover 13 is mounted on the webbing 11 by introducing the webbing 11 into the mounting opening 25 of the anchor cover 13.

  Then, by positioning the anchor cover 13 above the lap anchor 12 provided at one end of the webbing 11, the lap anchor 12 is used for getting on and off with the anchor bolt 19 in a state of being separated from the lap anchor 12. The lower side of the opening, that is, the side sill 10 is fixed. After that, the anchor cover 13 is slid downward along the webbing 11 as shown by the arrow in FIG. 7, and the contact plate 31 is brought into contact with the upper surface of the anchor bolt 19 as shown in FIG. By engaging the engagement pieces 30, 30 with the lower side portion of the lap anchor 12, the lower portion of the anchor cover 13 is externally fitted and fixed to the fixing portion of the lap anchor 12 by the anchor bolt 19. In this way, the vicinity of one end portion of the webbing 11 extending upward from the fixing portion of the lap anchor 12 to the side sill 10 is covered by the anchor cover 13, and the webbing 11 is operated by the anchor cover 13 for the seat operation. The member 9 is restrained on the vehicle outer side than the installation position in the vehicle width direction.

  In the first embodiment, when the seat belt device is not used, that is, when the webbing 11 is not attached, at least a part of the webbing 11 extending upward from the fixed portion of the lap anchor 12 is shown in FIG. As shown in FIG. 4, the webbing 11 by the anchor cover 13 is brought into contact with the side wall surface portion located on the outer side of the vehicle with respect to the installation portion of the lap anchor 12, specifically, the side trim member 22. The restraint position is set. As a result, when the seat belt device is not in use, in a portion located on the passenger opening 1 side of the passenger seat 1 near the connecting portion between the seat cushion 6 and the seat back 7 constituting the passenger seat 1. The part near the one end of the webbing 11 is held in a state of being positioned on the vehicle outer side than the disposed sheet operating member 9.

  Further, the anchor cover 13 is fixed at the lower end portion in the vicinity of the rear end portion of the opening 3 for getting on and off, and as shown in FIG. 4, the upper portion is tilted rearward so that the upper portion is located rearward in a side view. By being supported in a state, when the seat belt device is not in use, the seat belt device is disposed so as to be slightly rearward of the rear side portion of the entrance / exit opening 3, that is, outside the installation portion of the entrance / exit opening 3. Has been.

  As described above, the occupant seat 1 is installed so as to be movable along the front-rear direction of the passenger compartment. In the automobile in which the opening 3 for getting on and off which is used when the passenger gets on and off is formed in the side surface portion of the passenger compartment, the seat operation provided on the side of the passenger opening 1 on the side of the opening 3 for getting on and off A member 9, a webbing 11 for a seat belt device for restraining an occupant seated on the occupant seat 1, a lap anchor 12 for fixing one end of the webbing 11 to the lower side portion of the entrance / exit opening 3, and the wrap An anchor cover 13 which is installed so as to extend upward from a fixing portion of the anchor 12 and restrains the webbing 11, and the webbing 11 is not in use (seat belt device). When the restraint position of the webbing 11 by the anchor cover 13 is set on the vehicle outer side than the installation position in the vehicle width direction of the seat operating member 9 when not in use, the seat cushion 6 of the passenger seat 1 is moved back and forth. Alternatively, there is an advantage that the webbing 11 can be effectively prevented from getting in the way when an occupant gets in and out of the passenger compartment through the entrance opening 3.

  That is, the vicinity of one end portion of the webbing 11 extending upward from the fixed portion of the lap anchor 12 is restrained by the anchor cover 13, and is positioned on the vehicle outer side than the installation position in the vehicle width direction of the seat operation member 9. Since the webbing 11 is held in a state of being pushed, the occupant who gets into the passenger compartment through the entrance opening 3 and sits on the front passenger seat 1 moves the seat cushion 6 to the rear side of the vehicle body. When this is done, it is possible to effectively prevent the seat operating member 9 provided at a portion located on the passenger opening 1 side of the passenger seat 1 from being caught on the webbing 11. Therefore, when the occupant seated on the occupant seat 1 in the front row uses the seat belt device, a situation in which the occupant cannot be properly restrained due to an unstable holding state of the webbing 11 is generated. There is an advantage that can be prevented.

  Further, as described above, a front row passenger seat 1 including a driver seat and a passenger seat is installed in the front part of the passenger compartment, and a rear row passenger seat 2 is installed on the rear side thereof, and the front row passenger seat is provided. In a so-called two-door type or three-door type vehicle in which a common boarding / opening opening 3 used by passengers getting on and off the vehicle seat 1 and the rear passenger seat 2 is formed in the side surface of the passenger compartment, When the occupant who has boarded the passenger compartment from the section 3 moves to the occupant seat 2 in the rear row through the rear of the occupant seat 2 in the rear row in order to sit on the occupant seat 2 in the rear row, or this occupant seat 2 There is also an advantage that it is possible to effectively prevent the rider's feet and the like from interfering with the webbing 11 to impair the boarding / exiting performance when the passenger sitting on the vehicle gets out of the boarding opening 3.

  A front row passenger seat 1 including a driver seat and a passenger seat is installed in the front part of the passenger compartment, and a rear row passenger seat 2 is installed on the rear side of the passenger seat 1 and the front row passenger seat 1 and Instead of the first embodiment, which is applied to a vehicle in which a common passenger opening 3 that is used by passengers getting on and off the rear row passenger seats 2 is formed on the side surface of the passenger compartment, the driver seat and the passenger seat are provided. There is a common passenger opening used by passengers who get on and off the middle row of passenger seats arranged on the rear side of the front row passenger seat and on the rear row of passenger seats arranged on the rear side thereof. The present invention can also be applied to an automobile formed on a side surface portion of a passenger compartment.

  In the first embodiment, when the seat belt device is not used, at least a part of the webbing 11 extending upward from the fixing portion of the lap anchor 12 by the anchor bolt 19 is provided from the installation portion of the lap anchor 12. Since the restraining position of the webbing 11 by the anchor cover 13 is set so as to be held in contact with the side wall surface portion made of the side trim material 22 located on the outer side of the vehicle, the seat cushion of the passenger seat 1 There is an advantage that it is possible to more effectively prevent the webbing 11 from interfering when the occupant 6 is moved back and forth, or when an occupant gets in and out of the passenger compartment through the passenger opening 3. In addition, the webbing 11 vibrates and is struck against the side trim material 22 when the vehicle is running in a non-use state of the seat belt device, as in the case where the webbing 11 is installed apart from the side trim material 22 and the like. There is also an advantage that it is possible to effectively prevent the generation of abnormal noise.

  Further, as shown in the first embodiment, a mounting opening 25 for the webbing 11 is formed on the vehicle outer wall surface of the anchor cover 13, and a pair of front and rear webbing restraints is provided near the upper end of the mounting opening 25. In order to prevent the webbing 11 from coming out of the slit 27, the slits 27 having a width dimension capable of inserting the webbing 11 are provided between the webbing restraining portions 26, 26. When the bent portion 28 is provided, the seat belt device can be easily assembled and the web cover 11 of the seat belt device can be properly restrained by the anchor cover 13. . In addition, since the vehicle interior side surface of the lap anchor 12 can be covered and concealed by the cover body 23 of the anchor cover 13, the fixing portion of the lap anchor 12 fixed to the side sill 10 by the anchor bolt 19 is provided in the vehicle interior. There is an advantage that it is possible to effectively prevent the appearance from deteriorating due to exposure.

  That is, by inserting the webbing 11 of the seat belt device along the slit 27 between the both webbing restraining portions 26, 26 provided on the vehicle exterior wall surface of the anchor cover 13, as shown in FIG. With the webbing 11 introduced into the mounting opening 25 of the cover 13 and integrated, the transporting operation and the assembling operation can be easily performed. Moreover, when a straight slit is formed between the webbing restraining portions 26, 26, the anchor cover 13 can be detached from the webbing 11 when the webbing 11 and the anchor cover 13 are transported or assembled. However, when the bent portion 28 for preventing the webbing 11 from slipping out is provided in the slit 27 as described above, the anchor cover 13 can be effectively prevented from falling off the webbing 11, so that the anchor There is an advantage that the cover 13 can be prevented from being lost.

  Then, after the webbing 11 is introduced into the mounting opening 25 of the anchor cover 13 and the anchor cover 13 is mounted on the webbing 11 as described above, the anchor cover 13 is attached to one end of the webbing 11. Since the lap anchor 12 can be fixed to the lower side portion of the entrance / exit opening 3 by the anchor bolt 19, that is, the side sill 10 in a state separated from the anchor 12, without being disturbed by the anchor cover 13, The anchor bolt 19 can easily fix the lap anchor 12.

  Further, after fixing the lap anchor 12 to the vehicle body side as described above, the anchor cover 13 is slid downward along the webbing 11, and the lower end portion thereof is secured by the anchor bolt 19 as shown in FIG. The webbing 11 extending upward from the fixed portion of the lap anchor 12 is restrained by the anchor cover 13 only by being externally fitted to the fixed portion of the lap anchor 12, and the lap anchor is fixed by the cover main body 23 of the anchor cover 13. The anchor cover 13 can be easily transferred to a state where the inner surface of the vehicle 12 is covered and concealed.

  Further, as shown in the first embodiment, a lock release lever for releasing the lock of the reclining mechanism 8 is provided in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7 constituting the front passenger seat 1. When the seat operating member 9 is provided, there is an advantage that the structure of the power transmission unit can be simplified by bringing the seat operating member 9 close to the installation position of the reclining mechanism 8. On the other hand, as shown in FIGS. 3 and 4, the sheet operation member 9 is close to the fixing portion of the webbing 11 by the lap anchor 12, and the sheet operation member 9 tends to be easily caught on the webbing 11. By restraining the vicinity of one end of the webbing 11 with the anchor cover 13 as described above and holding the operation member 9 for the seat at a position outside the vehicle in the vehicle width direction, There is an advantage that the operation member 9 can be effectively prevented from being caught by the webbing 11.

  In addition, instead of the lock release lever for unlocking the reclining mechanism 8, or together with the lock release lever, the seat slide mechanism for supporting the occupant seat 1 so as to be slidable in the front-rear direction is released. Even when the seat operating member including the unlocking lever is disposed in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7 of the occupant seat 1, the same effect as the first embodiment, that is, the seat The effect that the operation member can be prevented from being caught by the webbing 11 can be obtained.

  Moreover, in the said 1st Embodiment, when the seatbelt apparatus is not used, as shown in FIG. 4, the anchor cover 13 is held in a state of being tilted rearward in a side view, so that the entrance / exit opening 3 is installed. Since the anchor cover 13 is positioned outside the part, specifically, slightly rearward of the rear side of the entrance opening 3, when the passenger gets in / out through the entrance opening 3, the anchor cover 13 is positioned. It is possible to effectively prevent an occupant's feet from interfering with the webbing 11 restrained by the cover 13. In addition, since the anchor cover 13 can be prevented from being exposed to the outside through the entrance / exit opening 3, the appearance in the passenger compartment can be effectively improved.

  Instead of the first embodiment in which the anchor cover 13 is installed in a rearward inclined state in a side view, the anchor cover 13 is installed in a forward inclined state in a side view as in the second embodiment shown in FIG. It is good also as a structure. According to this structure, when the passenger | crew who seated on the said passenger | crew seat 1 of the said front row uses a seatbelt apparatus, there exists an advantage that the webbing 11 can be smoothly mounted | worn to a passenger | crew's waist | hip | lumbar part. Moreover, in the said 1st Embodiment, it is slightly lower than the up-down direction intermediate part of the said opening part 25 for mounting | wearing formed in the vehicle outer side wall surface of the anchor cover 13 so that the webbing 11 can be restrained stably by the anchor cover 13. The example in which the lap guide portion 29 having a predetermined width is provided at the position has been described, but the lap guide portion 29 may be omitted.

  FIGS. 9-11 has shown 3rd Embodiment of the seatbelt apparatus of the motor vehicle based on this invention. In the third embodiment, the inflator 34 of the pretensioner mechanism 33 that applies tension to the webbing 11 by pulling the wire member 32 provided at one end of the webbing 11 in an emergency is provided on the lower side ( In the automobile seat belt device installed along the side sill 10), the installation portion of the wire member 32 is covered with an anchor cover 35, and the vicinity of one end portion of the webbing 11 is constrained by the anchor cover 35. ing.

  The pretensioner mechanism 33 includes an inflator 34 that generates a large amount of gas at the time of a vehicle collision, a cylinder 36 into which gas generated by the inflator 34 flows, and a piston (not shown) disposed in the cylinder 36. A pulley 37 around which the wire member 32 introduced into the piston is wound is provided, and a casing 39 is rotatably supported by the pulley 37 via an anchor bolt 38.

  The wire member 32 is wound around a pulley 37 and led upward, and the lead-out portion is engaged with a pin 42 provided on the wire support portion 41. A lap anchor 43 is integrally connected to the upper end portion of the wire support portion 41, and one end portion of the webbing 11 is fixed to the lap anchor 43.

  When it is detected that the automobile is in a collision state when the seat belt device is used, the explosive (not shown) stored in the inflator 34 is ignited and burned, and the combustion pressure of the explosive is increased. Accordingly, when the piston moves in the cylinder 36, the lap anchor 43 is urged downward through the wire member 32, the pulley 37, and the wire support portion 41, and this urging force causes the webbing 11 to be predetermined. The tension is applied.

  The anchor cover 35 is made of a soft synthetic resin material or a synthetic leather material having moderate flexibility, and the lower end portion of the anchor cover 35 is fitted and fixed to the distal end portion of the casing 39 so that the wire member 32 is fixed. And the vicinity of one end of the webbing 11 is constrained. Specifically, when the seat belt device is not used, at least a part of the webbing 11 or the anchor cover 35 extending upward from the lap anchor 43 connected to the wire support portion 41 with which the wire member 32 is engaged is The restraining position of the webbing by the anchor cover 35 is set so as to be in contact with the side trim member 22 located on the outer side of the vehicle with respect to the installation position of the seat operating member 9 in the vehicle width direction.

  As shown in FIG. 11, the anchor cover 35 has an upper end portion above the seat operating member 9 disposed in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7 constituting the occupant seat 1. The installation height of the anchor cover 35 is determined so as to be positioned.

  In the above configuration, when the seat belt device is not used, the portion near the one end of the webbing 11 restrained by the anchor cover 35 is a portion located on the passenger opening 1 side of the passenger seat 1 and the passenger seat. 1 is held in a state of being located on the vehicle outer side with respect to the installation position of the seat operating member 9 disposed in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7 constituting the seat 1.

  Further, when the seat belt device is not used, the anchor cover 35 is held in a rearwardly inclined state in a side view as shown by a solid line in FIG. It is configured to be positioned slightly rearward from the installation portion of the entrance / exit opening 3. Then, when the seat belt device is used and when the pretensioner mechanism 33 is operated, the anchor cover as shown by the phantom line in FIG. 10 according to the tensile force applied when the webbing 11 is attached to the waist of the occupant. The tip of the anchor cover 35 is supported so as to be movable toward the center in the vehicle width direction.

  As shown in the third embodiment, in an automobile seat belt apparatus including a pretensioner mechanism 33 that applies tension to the webbing 11 by pulling a wire member 32 provided at one end of the webbing 11 in an emergency. When the installation portion of the wire member 32 is covered with the anchor cover 35 and the webbing 11 is constrained by the anchor cover 35, when the seat cushion 6 of the passenger seat 1 is moved back and forth, or for getting on and off When the occupant gets into the vehicle compartment from the opening 3, the webbing 11 can be effectively prevented from getting in the way, and the appearance of the wire member 32 is deteriorated due to the exposure of the wire member 32 and the like in the vehicle compartment. There is an advantage that can be effectively prevented.

  In the third embodiment, the pretensioner mechanism 33 is installed along the lower side of the entrance opening 3 and the webbing extends upward from the connecting portion of the wire member 32 when the seat belt device is not used. 11 or at least a part of the anchor cover 35 is set in a state where the webbing 11 is restrained by the anchor cover 35 so as to be in contact with the side wall surface portion (side trim material 22) located on the outer side of the vehicle. The webbing 11 can be more effectively prevented from interfering when the seat cushion 6 of the occupant seat 1 is moved back and forth, or when the occupant gets in and out of the passenger compartment from the passenger opening 3. When the vehicle is running when the seat belt device is not in use, the webbing 11 vibrates and strikes the side trim material 22 and the like. There is an advantage that can effectively prevent the abnormal noise generated by Rukoto.

  Further, as shown in the third embodiment, when the installation height of the anchor cover 35 is determined so that the upper end portion of the anchor cover 35 is positioned above the seat operating member 9, the passenger seat When the seat cushion 6 is moved back and forth, the seat operating member 9 disposed in the vicinity of the connecting portion between the seat cushion 6 and the seat back 7 interferes with the webbing 11 restrained by the anchor cover 35. There is an advantage that the lever webbing 11 can be effectively prevented from being caught by the sheet operating member 9.

  Also in the third embodiment, the anchor cover 35 is held in a rearwardly inclined state in a side view, so that it is slightly rearward from the rear side of the entrance / exit opening 3, that is, the entrance / exit 3. When the occupant gets on and off through the entrance opening 3, it is effective that the occupant's feet interfere with the webbing 11 restrained by the anchor cover 13. There is an advantage that the anchor cover 13 can be prevented from being exposed to the outside through the entrance / exit opening 3 and the appearance can be effectively improved.

  Moreover, in the third embodiment, the anchor cover 35 is formed of a material having moderate flexibility, and the tension applied to the webbing 11 when the seat belt device is used and when the pretensioner mechanism 33 is activated. According to the force, the anchor cover 35 is easily deformed to be in a forward inclined state, and the tip end portion of the anchor cover 35 is supported so as to be movable toward the center in the vehicle width direction. The webbing 11 can be properly mounted along the occupant's waist, and the webbing held in contact with the side trim member 22 restrained by, for example, the anchor cover 35 when the pretensioner mechanism 33 is operated. 11 can be easily displaced toward the inside of the passenger compartment, and an appropriate tension can be applied to the webbing 11. There is an advantage in that.

1 is a side view showing a first embodiment of an automobile seat belt device according to the present invention. It is a perspective view which shows the specific structure of the said seatbelt apparatus. It is a rear view which shows the specific structure of the said seatbelt apparatus. FIG. 4 is a sectional view taken along line AA in FIG. 3. It is sectional drawing which shows the installation state of an anchor cover. It is a perspective view which shows the specific structure of an anchor cover. It is sectional drawing which shows the assembly | attachment process of a seatbelt apparatus. FIG. 5 is a view corresponding to FIG. 4 showing a second embodiment of the seat belt device for an automobile according to the present invention. It is a side view which shows 3rd Embodiment of the seatbelt apparatus of the motor vehicle based on this invention. It is a side view which shows the attachment state of an anchor cover. It is a rear view which shows the specific structure of the seatbelt apparatus in the said 3rd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front passenger seat 2 Rear passenger seat 3 Exit opening 6 Seat cushion 7 Seat back 9 Seat operation member 11 Webbing 12, 43 Lap anchor 13, 35 Anchor cover 19 Anchor bolt 25 Mounting opening 26 Webbing Constraint portion 27 Slit 28 Bending portion 32 Wire member 34 Inflator

Claims (9)

  An occupant seat is installed so as to be movable along the longitudinal direction of the passenger compartment, and an entrance for getting on and off that is used when the occupant gets on or off the installation portion of the occupant seat or the rear part thereof is provided in the passenger compartment. In a vehicle formed on a side surface portion, a seat operating member provided at a portion located on the side of the passenger opening and exit side of the occupant seat, and a webbing for a seat belt device for restraining an occupant seated on the occupant seat A lap anchor for fixing one end of the webbing to the lower side of the entrance for getting on and off, and an anchor cover for restraining the webbing installed so as to extend upward from the fixing part of the lap anchor When the webbing is not in use, the restraining position of the webbing by the anchor cover is set in the vehicle width direction of the seat operating member. Vehicle seat belt device is characterized in that set in the vehicle exterior side than the location.   When the seat belt device is not in use, at least a part of the webbing extending upward from the fixed portion of the lap anchor is in contact with the side wall surface portion located on the outer side of the vehicle from the installation portion of the lap anchor. 2. The seat belt device for an automobile according to claim 1, wherein a restraining position of the webbing by the anchor cover is set so as to be held by the anchor cover.   A mounting opening for the webbing is formed on the vehicle outer wall surface of the anchor cover, and a pair of front and rear webbing restraint portions are disposed in the vicinity of the upper end portion of the mounting opening, and between the two webbing restraint portions. 3. A vehicle seat belt according to claim 1, wherein a slit having a width dimension through which the webbing can be inserted is provided, and a bent portion for preventing the webbing from coming off is provided in the slit. apparatus.   It has a pretensioner mechanism that applies tension to the webbing by pulling the wire member provided at one end of the webbing in an emergency, and the installation part of the wire member is covered with an anchor cover, and the webbing is supported by the anchor cover. The vehicle seat belt device according to any one of claims 1 to 3, wherein the seat belt device is configured to be restrained.   A pretensioner mechanism is installed along the lower side of the entrance opening, and at least a part of the webbing or anchor cover that extends upward from the engaging portion of the wire member is not attached to the vehicle when the seat belt device is not used. The restraining position of the webbing by the anchor cover is set so as to be in contact with the side wall surface portion located on the outer side, and when the pretensioner mechanism is operated, the tip end portion of the anchor cover is the central portion in the vehicle width direction. The vehicle seat belt device according to claim 4, wherein the vehicle seat belt device is movably supported to the side.   6. The vehicle according to claim 1, wherein an installation height of the anchor cover is determined so that an upper end portion of the anchor cover is positioned above the seat operation member. Seat belt device.   The automobile seat according to any one of claims 1 to 6, wherein the seat operating member is disposed in the vicinity of a connecting portion between a seat cushion and a seat back constituting the occupant seat. Belt device.   The automobile seat according to any one of claims 1 to 7, wherein the anchor cover is disposed outside the installation portion of the opening for getting on and off when the seat belt device is not used. Belt device.   4. The method for assembling a seat belt device for an automobile according to claim 3, wherein the anchor cover is installed in the opening for mounting the anchor cover through a slit between both webbing restraint portions provided on the outer wall surface of the anchor cover. The anchor cover is mounted on the webbing by introducing the webbing of the seat belt device, and the anchor cover is separated from the lap anchor provided at one end of the webbing, and the lap anchor is used for getting on and off with an anchor bolt. After fixing to the lower side part of the opening, the anchor cover is slid downward along the webbing, and the lower end of the anchor cover is externally fitted to the fixing part of the lap anchor by the anchor bolt and fixed. The webbing that extends upward from the fixed part of the anchor cover Assembling method of a vehicle seat belt device characterized by constraining the.

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