JP2006219028A - Seat belt guide structure of walk-in seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat belt guide structure of a walk-in seat capable of easily detaching a shoulder belt in one operation by operating a walk-in lever. <P>SOLUTION: A belt guide part 13 to pass and guide a shoulder belt 4a is provided on a belt holding member 11 which is turnably mounted on a seatback 3 of a walk-in seat 1, and a walk-in release cable 12 to operate a walk-in mechanism by its turn is connected to the belt holding member 11. The belt guide part 13 has a belt receiving part 16 having an opening 16a formed in one side thereof so that the passed and held shoulder belt 4a can be detached and guided outwardly by turning the belt holding member 11. By turning the belt holding member 11, the operation of the walk-in mechanism and detachment of the shoulder belt 4a are simultaneously performed, and the shoulder belt 4a can be easily detached in one operation. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a seat belt guide that is provided on a seat back of a walk-in seat and guides a shoulder belt therethrough.

  The walk-in seat is installed in the front seat of a two-door model, and the seat back can be moved forward to improve the passengers' ability to get on and off, and the walk-in lever provided on the side of the seat back is operated. Then, the walk-in mechanism that adjusts the front-rear position of the seat by operating the seat back forward is operated.

  The walk-in seat is provided with a three-point seat belt device including a shoulder belt that restrains the occupant obliquely from the occupant shoulder on one side to the other side of the occupant waist. The walk-in lever and an auxiliary member constituting the closed space are provided, and the shoulder belt is inserted through the closed space as a seat belt guide, thereby enhancing the occupant restraint by the shoulder belt (for example, Patent Documents). 1).

When the seat belt guide is operated, the closed space consisting of this lever and the auxiliary member opens when the walk-in lever is operated, and the shoulder belt is removed from the opened portion so that the shoulder belt can be To avoid disturbing.
Japanese Utility Model Publication No. 7-21417 (2nd page, Fig. 2)

  However, in the conventional seat belt guide structure of the walk-in seat, it is necessary to open the closed space by operating the walk-in lever and remove the shoulder belt by hand, and it takes time to remove the shoulder belt.

  Accordingly, the present invention provides a seat belt guide structure for a walk-in seat in which a shoulder belt can be easily removed with one touch by operating a walk-in lever.

  The present invention includes a walk-in mechanism that enables the front and rear position of the seat to be adjusted by moving the seat back forward and restrains the occupant obliquely from the occupant shoulder on one side to the other side of the occupant waist. A walk-in seat equipped with a three-point seat belt device provided with a shoulder belt, and provided with a seat belt guide for inserting and guiding the shoulder belt at an upper portion or a side portion of the seat back where the shoulder belt is disposed. The seat belt guide includes a belt holding member attached to the seat back so that one side of the seat belt guide is pivotable, and the belt holding member is connected to a walk-in release cable that operates the walk-in mechanism by the pivoting. At the same time, the belt holding member is inserted and held by rotating the belt holding member. The most important feature that the formation of the belt guide portion for detachment guiding outward the Ruda belt.

  According to the present invention, the shoulder belt is inserted into the belt guide portion of the belt holding member that is rotatably attached to one side of the seat back to appropriately restrain the upper body of the occupant. When the seat back is moved forward when the passenger in the rear seat gets on and off, the belt holding member connected with the walk-in release cable is rotated.

  By the rotation of the belt holding member, the shoulder belt is guided to be detached outward by the belt guide portion, so that the operation of the walk-in mechanism and the removal of the shoulder belt can be performed simultaneously by the rotation of the belt holding member, The shoulder belt can be easily removed with one touch.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  1 to 3 show a first embodiment of a seat belt guide structure of a walk-in seat according to the present invention, FIG. 1 is an overall perspective view of a walk-in seat provided with a three-point seat belt device, and FIG. FIG. 3 is an enlarged front view showing the operating state of the seat belt guide.

  A walk-in seat 1 to which the seat belt guide structure of the present embodiment is applied includes a seat cushion 2 and a seat back 3 as in a normal seat as shown in FIG. The seat back 3 can be adjusted by a reclining mechanism (not shown), and the seat back 3 can be adjusted by the reclining mechanism. Provide mechanism.

  The walk-in seat 1 is provided with a three-point seat belt device 4 provided with a shoulder belt 4a and a lap belt 4b. The seat belt 4 restrains an occupant seated on the walk-in seat 1. .

  The shoulder belt 4a restrains the occupant obliquely from one shoulder portion of the occupant seated on the seat 1 to the other side waist portion, and the lap belt 4b restrains the occupant's waist portion from side to side. The upper end portion of the shoulder belt 4a is supported on the upper portion of the pillar via the through anchor 5, and the end portion of the shoulder belt 4c folded back by the through anchor 5 is wound around the retractor 6 accommodated in the lower portion of the pillar.

  An end portion of the lap belt 4b is fixed to the floor panel side via an anchor 5a, and a tongue 5b inserted between the shoulder belt 4a and the lap belt 4b is fixed to the floor panel side and is not shown. It is detachably attached.

  Accordingly, the shoulder belt 4a is routed from the inner buckle to the through anchor 5 through one side in the vehicle width direction of the seat back 3, and the upper portion of the seat back 3 on the side where the shoulder belt 4a is disposed. Further, a seat belt guide 10 for inserting and guiding the shoulder belt 4a is provided so that the seated person can be restrained appropriately.

  The seat belt guide 10 includes a belt holding member 11 attached to the seat back 3 so as to be pivotable on one side. The belt holding member 11 has a walk-in mechanism that operates a walk-in mechanism of the walk-in seat 1 by the rotation. A belt guide portion 13 is formed for connecting the release cable 12 and rotating the belt holding member 11 to guide the shoulder belt 4a inserted and held in the belt holding member 11 outwardly.

  That is, the belt holding member 11 is disposed on one side in the vehicle width direction of the base member 14 fixed to the upper surface on one side of the seat back 3 (in this embodiment, on the outer side of the seat back 3) via the pin 15 serving as a pivotal support point. And is pivotally attached.

  The center axis of the pin 15 is arranged in the vehicle front-rear direction, and the belt holding member 11 is rotated upward about the pin 15.

  The walk-in release cable 12 includes an inner wire 12a and an outer tube 12b. The end of the outer tube 12b is fixed to the seat back frame 3a side, and the end of the inner tube 12a protruding from the outer tube 12b is connected to the belt. The holding member 11 is hooked to a fastening portion 11 a provided on the lower surface of the end portion opposite to the pin 15.

  Then, as shown in FIG. 3, by rotating the belt holding member 11 upward about the pin 15, the inner wire 12a of the walk-in release cable 12 is pulled upward to operate the walk-in mechanism, and the seat The back 3 can be moved forward.

  When the walk-in mechanism is activated, it is possible to use a function of allowing the seat cushion 2 to slide forward of the vehicle simultaneously with the forward movement of the seat back 3.

  The belt guide portion 13 is opened on the pin 15 side (right side in FIG. 2) of the belt holding member 11, and the side opposite to the pin 15 (left side in FIG. 2) from the opening 16a is from the mounting surface with respect to the seat back 3. A notch-shaped belt receiving portion 16 that inclines in the direction of separation (upward in FIG. 2), and continues from the opening 16a side of the belt receiving portion 16 in a direction opposite to the inclination direction of the belt receiving portion 16. When the belt holding member 11 is not rotated (see FIG. 2), the shoulder belt 4a is slid along the inner surface 17a in the insertion direction, and the shoulder belt 4a is detached from the belt receiving portion 1b. And a raised portion 17 to be suppressed.

  Accordingly, the shoulder belt 4a is inserted into the belt receiving portion 16 so that the shoulder belt 4a is supported by the belt guide portion 13 and the tongue 5b, and the occupant can be properly restrained to the seat back 3.

  Further, the belt holding member 11 is formed with a finger hooking portion 18 for hooking a finger when rotating the belt holding member 11 to rotate the belt holding member 11.

  That is, the finger hook portion 18 is formed on the rotation operation side of the belt holding member 11, that is, on the upper side edge in the direction opposite to the pin 15 that pivotally attaches the belt holding member 11 to the base member 14 in the vehicle width direction. In addition, a plurality of fine irregularities are formed to provide an anti-slip function.

  With the above configuration, according to the seatbelt structure of the present embodiment, the shoulder belt 4a is inserted into the belt receiving portion 16 of the belt holding member 11 so that the upper body of the occupant is properly restrained by the shoulder belt 4a. When the rear seat occupant gets on and off with the shoulder belt 4a inserted into the belt holding member 11 as described above, the belt holding member 11 is moved as shown in FIG. Is turned upward around the pin 15, the inner wire 12a of the walk-in release cable 12 is pulled, the walk-in mechanism is activated, and the seat back 3 can be moved forward.

  When the belt holding member 11 is rotated, the belt guide portion 13 inserted through the shoulder belt 4a is disposed in a substantially vertical direction, and the shoulder belt 4a is pulled down.

  At this time, the inner side surface 17a of the raised portion 17 is arranged in a substantially horizontal direction by the rotation of the belt holding member 11, the shoulder belt 4a is guided outward by the opening 16a, and the shoulder belt 4a is seat belt. The guide 10 is lifted upward so as to be pulled by the through anchor 5.

  Accordingly, the seat back 3 is moved forward by the walk-in function, the seat cushion 2 is moved forward, and the shoulder belt 4a is lifted upward, so that the passenger in the rear seat can easily get on and off.

  As described above, in this embodiment, since the operation of the walk-in mechanism and the detachment of the shoulder belt 4a can be performed simultaneously by the rotation of the belt holding member 11, the shoulder belt 4a can be easily detached with one touch. Can be done.

  Further, in addition to the above-described effects, the seat belt guide structure of the present embodiment opens the belt guide portion 13 on the pin 15 side of the belt holding member 11, and the side opposite to the pin 15 from the opening 16 a is attached to the seat back 3. A notch-shaped belt receiving portion 16 that inclines in a direction away from the surface, and continuously protrudes from the opening 16a side of the belt receiving portion 16 in a direction opposite to the inclined direction of the belt receiving portion 16, Since the shoulder belt 4a is slidably guided along the inner side surface 17a in the insertion direction and the shoulder belt 4a is prevented from being detached from the belt receiving portion 1b, the belt receiving portion 16 and the protruding portion are configured. Due to the shape of the inner surface 17 a of the belt 17, the shoulder belt 4 is moved by the belt receiving portion 16 when the normal three-point seat belt device 4 is worn. The securely held, upon rotating the belt holding member 11 to actuate the walk-in mechanism can be easily performed smoothly withdrawal of the shoulder belt 4a.

  Further, since the belt holding member 11 is formed with a finger hooking portion 18 for turning the belt holding member 11 by turning the finger when the belt holding member 11 is turned, the finger holding portion 18 is turned on when the belt holding member 11 is turned. By placing a finger on the hook portion 18 and pushing the belt holding member 11 outward in the vehicle width direction of the seat back 3, the belt holding member 11 can be easily rotated upward to perform a series of walk-in functions and a shoulder belt 4a. Can be easily removed.

  4 and 5 show a second embodiment of the present invention, in which the same components as those in the first embodiment are denoted by the same reference numerals and redundant description is omitted, and FIG. 4 is a seat belt guide portion. FIG. 5 is an enlarged side view showing a seat belt guide portion.

  The seat belt guide structure of this embodiment is basically the same as that of the first embodiment as shown in FIGS. 4 and 5, and the seat belt guide 10 </ b> A has a base portion 14 fixed to the upper part on one side of the seat back 3. A belt holding member 11 is pivotally attached to the belt holding member 11 via a pin 15. A walk-in release cable 12 (see FIG. 2) is connected to the belt holding member 11 and a belt guide portion 13 is formed to The shoulder belt 4a is inserted.

  In this embodiment, the belt holding member 11 is formed with a gripping portion 19 that is gripped by hand when the belt holding member 11 is rotated and moves the seat back 3 forward while rotating the belt holding member 11. .

  That is, the grip portion 19 is formed by extending the upper side edge of the belt holding member 11 on the rotation operation side in substantially the same manner as the portion where the finger hook portion 18 of the first embodiment is provided. The grip portion 19 is formed in a gun grip shape so that it can be easily gripped.

  Therefore, according to the present embodiment, when the rear seat occupant gets on and off, the belt holding member 11 is held by holding the grip portion 19 provided on the belt holding member 11 and pushing the seat back 3 outward in the vehicle width direction. 11 pivots upward about the pin 15 and operates the walk-in mechanism in the same manner as in the first embodiment to allow the seat back 3 to be moved forward and the seat 1 to move forward, and the shoulder belt 4a to be a belt guide. It is detached from the portion 13 outward.

  Of course, even in the present embodiment, the belt guide portion 13 is opened upward on the side of the pin 15 serving as a pivotal fulcrum of the belt holding member 11, and the side opposite to the pin 15 from the opening 16 a is separated from the mounting surface for the seat back 3. A belt receiving portion 16 having a notch shape that inclines in the direction from the opening 16a side of the belt receiving portion 16 and continuously bulges in the opposite direction to the inclination direction of the belt receiving portion 16, along the inner side surface 17a. And a raised portion 17 that slides and guides the shoulder belt 4a in the insertion direction.

  Thus, in this embodiment, since the grip part 19 was formed in the belt holding member 11, since the grip part 19 can be firmly gripped, rotation operation of the belt holding member 11 becomes easy, and By applying a pressing force to the front of the vehicle with the gripping part 19 held, the seat back 3 can be moved forward, and a series of walk-in operations can be performed with one hand, improving operability. Can do.

  6 and 7 show a third embodiment of the present invention, in which the same components as those in the first embodiment are denoted by the same reference numerals and redundant description is omitted, and FIG. 6 is a seat belt guide portion. FIG. 7 is a perspective view of the seat belt guide.

  The seat belt guide structure of this embodiment is basically the same as that of the first embodiment as shown in FIG. 6, and the seat belt guide 10B rotates the belt holding member 11X around the base portion 14 via the pin 15. A belt guide portion 13X is formed that is movably attached, connects the walk-in release cable 12 (see FIG. 2) to the belt holding member 11X, and inserts the shoulder belt 4a.

  Further, the belt guide portion 13X has a pin 15 side that is a pivotal support point of the belt holding member 11X, and the side opposite to the pin 15 from the opening 16a is inclined away from the mounting surface with respect to the seat back 3, that is, inclined upward. The end of the pin 15 is slightly inclined in the direction away from the mounting surface with respect to the seat back 3, and the shoulder belt 4a is slid in the insertion direction along the inner side surface 16d while the belt holding member 11X is rotated. A notch-shaped belt receiving portion 16X having an auxiliary guide portion 16b that slides and guides the shoulder belt 4a in the detaching direction along the inner side surface 16d, and the inclination of the belt receiving portion 16X from the opening 16a side of the belt receiving portion 16X Bulges continuously in the opposite direction to the direction, and guides the shoulder belt 4a to slide along the inner surface 17a in the insertion direction, Shoulder belt 4a is are constituted by a suppressing ridges 17X from being disengaged from the belt receiving portion 16.

  Here, in the present embodiment, the raised portion 17X is formed separately from the belt holding member 11X, and is attached to the belt holding member 11X so as to be able to fall down in the direction of the belt receiving portion 16X and to be rotatable. Further, a rotation urging member 20 for returning the raised portion 17X to the initial position is provided, and the shoulder belt 4a is rotated from the outside to the belt receiving portion 16X while the outer side surface 17b of the raised portion 17X is turned down. It is in a shape that allows it to slide into.

  That is, the raised portion 17X is formed in a substantially triangular shape having both the inner side surface 17a and the outer side surface 17b adjacent to each other, independently of the belt holding member 11X, and as shown in FIG. The lower part is fitted into a notch part 11a formed in the belt holding member 11X, and the fitting part is rotatably connected by the pin 15.

  The raised portion 17X is urged in the clockwise direction in the drawing via a spring 20 as a rotation urging member disposed around the pin 15, and an engaging portion 17c formed at the lower portion of the raised portion 17X. Is held by a stopper 21 formed on the belt holding member 11X to hold the initial position shown in FIG.

  Therefore, according to the present embodiment, when the shoulder belt 4a detached from the seat belt guide 10B is inserted into the belt receiving portion 16X of the seat belt guide 10B, the outer surface of the raised portion 17X is viewed from below as shown in FIG. When positioned at 17b, the raised portion 17X falls down in the direction of the belt receiving portion 16X against the urging force of the spring 20 by the pulling force of the shoulder belt 4a.

  Then, the outer surface 17b of the raised portion 17X is gently continuous with the belt receiving portion 16X, and is slid and guided in the insertion direction by the auxiliary guide portion 16b of the belt receiving portion 16X. Therefore, the shoulder belt 4a is separated from the outer surface 17b. Slide into the belt receiver 16X.

  When the shoulder belt 4a is positioned on the belt receiving portion 16X, the raised portion 17X is rotated back to the original initial position shown in FIG.

  When the belt holding member 11X is rotated, the belt guide portion 13X inserted through the shoulder belt 4a is disposed in a substantially vertical direction, and the shoulder belt 4a is pulled down.

  At this time, the auxiliary guide portion 16b of the belt receiving portion 16X is arranged in a substantially horizontal direction by the rotation of the belt holding member 13X, and the auxiliary guide portion 16b is inclined outwardly and the shoulder belt 4a is connected to the auxiliary guide portion 16b. The shoulder belt 4a is detached from the seat belt guide 10B. It is lifted upward so as to be pulled by the through anchor 5.

  Therefore, according to the present embodiment, the raised portion 17X falls and the auxiliary guide portion 16b of the belt receiving portion 16 slides and guides the shoulder belt 4a in the insertion direction, thereby positioning the shoulder belt 4a on the belt receiving portion 16X. This facilitates the insertion of the shoulder belt 4a into the seat belt guide 10B.

  Further, in the rotating state of the belt holding member 11X, the auxiliary guide portion 16b of the belt receiving portion 16 slides and guides the shoulder belt 4a in the detaching direction, whereby the shoulder belt 4a is guided to the opening 16a of the belt receiving portion 16X. This facilitates the removal of the shoulder belt 4a from the seat belt guide 10B.

  By the way, although this invention was demonstrated taking the example in the said 1st-3rd embodiment, various embodiments can be employ | adopted in the range which does not deviate from the summary of this invention, without being restricted to these embodiments, For example, the seat belt guides 10, 10 </ b> A, 10 </ b> B can be provided on the side surface without being limited to the upper part of the seat back 3.

1 is an overall perspective view of a walk-in seat provided with a three-point seat belt device applied to the present invention. It is an enlarged front view which shows the seatbelt guide part in 1st Embodiment of this invention. It is an enlarged front view which shows the operation state of the seatbelt guide in 1st Embodiment of this invention. It is an enlarged front view which shows the seatbelt guide part in 2nd Embodiment of this invention. It is an enlarged side view which shows the seatbelt guide part in 2nd Embodiment of this invention. It is an enlarged front view which shows the seatbelt guide part in 3rd Embodiment of this invention. It is a perspective view of the seatbelt guide part in 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Walk-in seat 3 Seat back 4 Three-point seat belt apparatus 4a Shoulder belt 10, 10A, 10B Seat belt guide 11 Belt holding member 12 Walk-in release cable 13 Belt guide part 15 Pin (rotation fulcrum)
16 Belt receiving portion 16a Opening port 16b Auxiliary guide portion 17, 17X Raised portion 17a Inner side surface 17b Outer side surface 18 Finger hook portion 19 Gripping portion

Claims (6)

A three-point seat with a walk-in mechanism that allows the seat's front and rear position to be adjusted by moving the seat back forward, and a shoulder belt that restrains the occupant diagonally from one shoulder to the other waist. In a walk-in seat provided with a belt device, and provided with a seat belt guide for inserting and guiding the shoulder belt on an upper portion or a side portion of the seat back where the shoulder belt is disposed,
The seat belt guide includes a belt holding member that is rotatably attached to the seat back on one side, and the belt holding member is connected to a walk-in release cable that operates a walk-in mechanism by the rotation, A seat belt guide structure for a walk-in seat, characterized in that a belt guide portion is formed to turn the belt holding member and guide the shoulder belt inserted and held in the belt holding member outwardly. The belt guide portion has a notch-shaped belt receiving portion that is inclined in a direction away from the mounting surface with respect to the seat back toward the opposite side of the rotation fulcrum from the opening of the belt holding member.
The belt receiving portion is continuously raised from the opening side of the belt receiving portion in the direction opposite to the inclination direction of the belt receiving portion, and the shoulder belt is slid and guided along the inner surface in the insertion direction. The seat belt guide structure for a walk-in seat according to claim 1, further comprising a raised portion that suppresses separation from the belt receiving portion.   The belt receiving portion is inclined toward the opposite end to the inclined direction of the belt receiving portion at the end portion of the protruding portion, and the shoulder holding belt is slid and guided along the inner surface in the insertion direction. 3. The seat belt guide structure for a walk-in seat according to claim 2, further comprising an auxiliary guide portion that slides and guides the shoulder belt in the detaching direction along the inner side surface in a state in which the seat belt is rotated.   The walk-in seat according to any one of claims 1 to 3, wherein the belt holding member is formed with a finger hook portion for turning the belt holding member by hooking a finger when the belt holding member is turned. Seat belt guide structure.   4. A gripping portion is formed on the belt holding member, which is gripped by hand when rotating, and is used to turn the belt holding member forward while operating the belt holding member. A seat belt guide structure of a walk-in seat according to one.   The raised portion is formed separately from the belt holding member, and has a rotation urging member that is rotatably attached to the belt holding member so as to be able to fall down in the direction of the belt receiving portion and return the raised portion to the initial position. And the shoulder belt is formed in a shape that allows the shoulder belt to slide into and enter the belt receiving portion from the outside in a state in which the outer surface of the raised portion falls and rotates. The seat belt guide structure of the walk-in seat described in 1.

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