JP6594358B2 - Vehicle pillar device - Google Patents

Description

  The present invention relates to a vehicle pillar device incorporating a seat belt adjuster mechanism.

  A general vehicle pillar device includes a seat belt adjuster mechanism. The seat belt adjuster mechanism is disposed between the pillar trim and the pillar panel, and includes a slide rail, an adjuster body, an adjuster cover, and an adjuster knob.

  The slide rail is fixed to the pillar panel. The adjuster body is supported by the slide rail so as to be slidable in the vertical direction, and has a belt guide. The adjuster body is provided with a locking means, and the adjuster body is locked to the slide rail at a selected height. The adjuster cover is supported on the back side of the pillar trim so as to be slidable in the vertical direction and is connected to the adjuster body. The seat belt hung on the belt guide of the adjuster body is led out into the room through the opening of the pillar trim. The adjuster knob is supported by the adjuster cover so as to be movable up and down, and releases the locked state of the adjuster body by the locking means.

In recent years, in order to ensure the safety of passengers in the event of a vehicle collision, it has been required that the vehicle be provided with an impact absorbing structure, and the same applies to the pillar device.
In Patent Document 1, a trim reinforcing member that is separate from the pillar trim is attached to the back side of the pillar trim, and an impact absorbing structure is provided on the trim reinforcing member.

JP 2000-344036 A

  The pillar device of Patent Document 1 requires a trim reinforcing member having an impact absorbing structure in addition to the components essential for the seat belt adjuster mechanism, which increases the number of parts and the structure, resulting in assembly work. Was cumbersome.

In order to solve the above-described problems, the present invention includes a pillar trim having an opening, a pillar panel disposed on the back side of the pillar trim, and a seat belt adjuster mechanism disposed between the pillar trim and the pillar panel.
The seat belt adjuster mechanism is
A. A slide rail extending in the vertical direction and fixed to the pillar panel;
I. An adjuster body supported by the slide rail so as to be slidable in the vertical direction and having a belt guide;
C. Locking means provided on the adjuster body and locking the adjuster body to the slide rail at a selected height;
D. The opening of the pillar trim is supported on the back side of the pillar trim so as to be slidable in the vertical direction, and is connected to the adjuster body, and has an operation port and a discharge port facing the opening of the pillar trim. From the adjuster cover for guiding the seat belt hung on the belt guide of the adjuster body into the vehicle interior,
E. The adjuster cover is supported by the adjuster cover so as to be movable up and down, and has an operation unit that faces the vehicle interior from the operation port of the adjuster cover. By moving the operation unit with respect to the adjuster cover, the lock means An adjuster knob for releasing the lock of the adjuster body;
In a vehicle pillar device having
An impact absorbing structure including a rib projecting from the back surface of the adjuster knob toward the pillar panel is formed integrally with the adjuster knob.

  According to the above configuration, the shock absorbing structure is formed integrally with the adjuster knob, which is an essential configuration for the seat belt adjuster mechanism, so the number of parts can be reduced and the assembly process can be simplified. . Further, even if sink marks occur on the molding surface when the ribs are integrally molded, the portion where the shock absorbing structure is formed is not exposed in the passenger compartment, so that the appearance of the pillar device is not deteriorated.

Preferably, a pair of the shock absorbing structures are formed at the upper end portion of the adjuster knob, and the pair of shock absorbing structures are respectively disposed on the front side and the rear side of the vehicle as viewed from the slide rail.
According to the above configuration, the shock absorbing function can be exhibited both in the case where the head of the rear seat occupant is hit against the pillar device at the time of a vehicle collision and in the case where the head of the front seat occupant is hit against the pillar device.

  According to the present invention, in a pillar device provided with a seat belt adjuster mechanism, an impact absorbing function can be obtained without increasing the number of parts.

It is the perspective view which looked at the pillar apparatus which concerns on one Embodiment of this invention from the back side (vehicle outer side), and abbreviate | omits and shows a pillar panel. FIG. 2 is a perspective view showing the slide rail and the adjuster body omitted from FIG. 1. It is a longitudinal cross-sectional view of the said pillar apparatus. It is a longitudinal cross-sectional view which decomposes | disassembles and shows the seatbelt adjuster mechanism of the said pillar apparatus. FIG. 5 is a cross-sectional view of the pillar device taken along line VV in FIG. 2. It is the perspective view which looked at the adjuster knob of the pillar apparatus from the back side.

[First Embodiment]
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 3 shows a B pillar 1 (center pillar; pillar device) of a vehicle. The B pillar 1 includes a metal pillar panel 2 on the outside of the vehicle, a resin pillar trim 3 on the passenger compartment side, and a seat belt adjuster mechanism 4 disposed between the pillar panel 2 and the pillar trim 3. .

  The pillar trim 3 extends in the vertical direction along the pillar panel 2 and has a substantially C-shaped or U-shaped cross-sectional shape as shown in FIG. As shown in FIG. 3, an opening 31 is formed in the pillar trim 3.

The seat belt adjuster mechanism 4 adjusts the support height of the seat belt B led out from the pillar trim 3 into the vehicle interior, and is a slide rail fixed to the pillar panel 2 as shown in FIGS. 5, an adjuster body 6 supported on the slide rail 5 so as to be vertically slidable, a locking pin 7 (locking means) provided on the adjuster body 6, and a back side of the pillar trim 3 connected to the adjuster body 6 ( The adjuster cover 8 is supported on the outside of the vehicle so as to be slidable in the vertical direction, and the unlocking adjuster knob 9 is supported by the adjuster cover 8.
The slide rail 5, the adjuster body 6, and the locking pin 7 are made of metal, and the adjuster cover 8 and the adjuster knob 9 are made of an injection molded product of resin such as polypropylene.

  As shown in FIG. 3, the slide rail 5 extends in the vertical direction along the pillar panel 2. A plurality (four in this embodiment) of locking holes 51 are formed in the slide rail 5 at intervals in the vertical direction. The slide rail 5 is fixed to the pillar panel 2 from the passenger compartment side by bolts (not shown) passing through the insertion holes 52 formed at the upper and lower ends thereof.

As shown in FIGS. 3 and 4, the adjuster body 6 has a bolt 60 at its lower portion, and a belt guide 61 is suspended from the bolt 60 via a ring 60 a attached to the trunk portion. Yes.
As shown in FIG. 1, the adjuster body 6 is supported on the slide rail 5 so as to be slidable in the vertical direction. That is, fitting parts 62 having a U-shaped cross section formed on both side edges in the width direction of the adjuster body 6 are fitted to both side edges of the slide rail 5 so as to be vertically movable.

  As shown in FIG. 3, a locking pin 7 (locking means) for locking the adjuster body 6 to the slide rail 5 at a selected height is provided on the top of the adjuster body 6. The locking pin 7 can be moved back and forth with respect to the adjuster body 6 and is selectively inserted into the plurality of locking holes 51 of the slide rail 5 and locked.

The locking pin 7 is urged in the protruding direction by a first spring (not shown). The adjuster body 6 is provided with a movable member 63 for moving the locking pin 7 in the up and down direction on the vehicle compartment side and above the locking pin 7. The movable member 63 is biased upward by a second spring (not shown).
A cam mechanism (not shown) is provided between the movable member 63 and the locking pin 7. When the movable member 63 is lowered against the second spring, the locking pin 7 is moved to the first position by the cam mechanism. Retreats against one spring and is pulled out of the locking hole 51 to be unlocked.

As shown in FIGS. 1 and 3, the adjuster cover 8 is disposed on the back side of the pillar trim 3 in the shape of a rectangular thin plate extending vertically, and closes the opening 31 of the pillar trim 3.
The adjuster cover 8 is supported by the pillar trim 3 so as to be slidable in the vertical direction. That is, guide portions 39 are integrally formed on both side walls of the pillar trim 3, and both side edges of the adjuster cover 8 are guided by the guide portions 39.

  As shown in FIG. 3, the adjuster cover 8 is formed with an operation port 81 and a lead-out port 82 below the operation port 81. The operation port 81 and the outlet port 82 always face the opening 31 of the pillar trim 3 in the range of the vertical movement stroke of the adjuster cover 8.

  A seat belt B extending from a seat belt retractor (not shown) provided at the lower end of the pillar panel 2 is hung on the belt guide 61 of the adjuster body 6 and passes through the outlet 82 of the adjuster cover 8 and the opening 31 of the pillar trim 3. It is led out into the passenger compartment.

  A bulging portion 83 that bulges toward the passenger compartment is provided between the operation port 81 and the outlet port 82. A cylindrical rib 85 is formed on the back side of the bulging portion 83, and the head of the bolt 60 is inserted into the cylindrical rib 85. Thus, when the adjuster cover 8 is moved up and down, the head of the bolt 60 is caught on the cylindrical rib 85, and the adjuster body 6 moves together with the adjuster cover 8.

As shown in FIGS. 2 and 3, the adjuster knob 9 is supported on the back side of the adjuster cover 8 so as to be vertically movable.
As shown in FIG. 6, a plate-like pressing portion 92 protruding outward in the vehicle width direction and a hooking portion 94 thereabove are integrally formed on the back surface of the main body portion 91. As shown in FIG. 3, the pressing portion 92 is disposed above and in the vicinity of the movable member 63. A third spring (not shown) is hung between the latching portion 94 and a latching portion 84 (see FIG. 2) formed on the top of the adjuster cover 8, and the adjuster knob 9 is moved by the third spring. It is biased upward.
An operation portion 91 a that protrudes toward the passenger compartment is formed at the lower end of the main body 91 of the adjuster knob 9. The operation unit 91a faces the vehicle interior from the operation port 81 of the adjuster cover 8.

  When the position of the belt guide 61 of the adjuster main body 6 is moved upward, the adjuster main body 6 in the locked state is lifted as it is by grasping the bulging portion 83 of the adjuster cover 8. Then, the locking pin 7 locked in the locking hole 51 of the slide rail 5 slides on the inclined surface formed above the locking hole 51 against the biasing force of the first spring. After getting over, it is locked in another locking hole 51 adjacent to the upper side. Thereby, it will be in a locked state again.

  When the position of the belt guide 61 of the adjuster body 6 is moved downward, the operation portion 91a of the adjuster knob 9 is pressed downward. As a result, the pressing portion 92 of the adjuster knob 9 presses the movable member 63, and the movable member 63 descends to release the locked state between the locking pin 7 and the locking hole 51 of the slide rail 5. In this state, the adjuster cover 8 is moved downward together with the adjuster body 6. When the pressing of the operating portion 91a is released, the locking pin 7 is locked in another lower locking hole 51 by the urging force of the first spring, and is locked again.

  A pair of shock absorbing structures 95, 95 are provided integrally with the main body 91 at the upper end of the back surface of the main body 91 of the adjuster knob 9 above the pressing portion 92. As shown in FIG. 1, the pair of shock absorbing structures 95, 95 are arranged away from each other in the vehicle length direction (the vehicle front-rear direction), and are arranged on opposite sides as viewed from the slide rail 5. .

  As shown in FIGS. 5 and 6, each shock absorbing structure 95 includes a flat plate-like base portion 96 projecting from the side edge of the main body portion 91 in the vehicle length direction, and two horizontal portions provided so as to intersect with the base portion 96. It has ribs 97a, 97b and two vertical ribs 98a, 98b.

  The lateral ribs 97 a and 97 b are formed in a flat plate shape and are substantially horizontal, and project from the upper edge and the lower edge of the base portion 96 toward the pillar panel 2. The lateral ribs 97a and 97b are also connected to the main body 91.

  The vertical ribs 98 a and 98 b are formed in a flat plate shape and are substantially vertical, and protrude from the back surfaces of the main body portion 91 and the base portion 96 toward the pillar panel 2, respectively. The vertical ribs 98a and 98b are disposed between the two horizontal ribs 97a and 97b, and are continuous with the horizontal ribs 97a and 97b.

  At the time of a vehicle collision, the head of the rear seat occupant is hit against the B pillar 1 from the rear in the vehicle length direction, or the head of the front seat occupant is hit from the vehicle width direction cabin side. Of the shock absorbing structures 95, 95, the rear shock absorbing structure 95 mainly corresponds to the rear seat occupant's driving, and the front shock absorbing structure 95 mainly corresponds to the front seat occupant's driving. When hitting these occupants, the shock absorbing structure 95 is deformed or brittlely broken to absorb the shock energy. As a result, damage to the occupant's head or the like during a vehicle collision can be reduced.

  During the injection molding of the adjuster knob 9, there is a possibility that sink marks may occur on the surface opposite to the ribs 97a, 97b, 98a, 98b (surface facing the vehicle compartment side). However, even if sink marks occur, this surface is not exposed to the passenger compartment, so that the appearance of the B pillar 1 is not deteriorated.

  In the B pillar 1 of the present embodiment, the shock absorbing structure 95 is integrally formed with the adjuster knob 9 of the seatbelt adjuster mechanism 4, and the adjuster knob 9 and the shock absorbing structure 95 can be formed at the same time. Fewer assembly steps.

In addition, this invention is not limited to the said embodiment, In the range which does not deviate from the summary, various modifications can be employ | adopted.
In the above embodiment, a pair of shock absorbing structures are formed apart from the front and rear of the vehicle as viewed from the slide rail in the adjuster knob, but may be formed only in either one.
The shock absorbing structure is not limited to the upper end portion of the adjuster knob, but may be a portion other than the upper end portion.
In the above embodiment, two horizontal ribs and two vertical ribs are formed, but the number of horizontal ribs and vertical ribs is not limited thereto.
The operation port and the outlet port of the adjuster cover may be constituted by one hole.

  The present invention can be applied to a vehicle pillar device in which the support position of a seat belt led out from a pillar trim into a vehicle interior can be adjusted.

1 B pillar (pillar device)
2 Pillar panel 3 Pillar trim 31 Opening 4 Seat belt adjuster mechanism 5 Slide rail 6 Adjuster body 61 Belt guide 7 Locking pin (locking means)
8 Adjuster cover 81 Operation port 82 Outlet port 9 Adjuster knob 91a Operation unit 95 Shock absorbing structure 97a, 97b Lateral rib (rib)
98a, 98b Vertical rib (rib)
B seat belt

Claims (2)

A pillar trim having an opening, a pillar panel disposed on the back side of the pillar trim, and a seat belt adjuster mechanism disposed between the pillar trim and the pillar panel;
The seat belt adjuster mechanism is
A. A slide rail extending in the vertical direction and fixed to the pillar panel;
I. An adjuster body supported by the slide rail so as to be slidable in the vertical direction and having a belt guide;
C. Locking means provided on the adjuster body and locking the adjuster body to the slide rail at a selected height;
D. The opening of the pillar trim is supported on the back side of the pillar trim so as to be slidable in the vertical direction, and is connected to the adjuster body, and has an operation port and a discharge port facing the opening of the pillar trim. From the adjuster cover for guiding the seat belt hung on the belt guide of the adjuster body into the vehicle interior,
E. The adjuster cover is supported by the adjuster cover so as to be movable up and down, and has an operation unit that faces the vehicle interior from the operation port of the adjuster cover. By moving the operation unit with respect to the adjuster cover, the lock means An adjuster knob for releasing the lock of the adjuster body;
In a vehicle pillar device having
An impact absorbing structure including a rib protruding from the back surface of the adjuster knob toward the pillar panel is formed integrally with the adjuster knob ,
A pillar device for a vehicle, characterized in that a portion of the adjuster knob facing the vehicle compartment and opposite to the base end of the rib is shielded by the adjuster cover so as not to be exposed to the vehicle compartment .   2. The shock absorbing structure is formed in a pair at an upper end portion of the adjuster knob, and the pair of shock absorbing structures are respectively disposed in front and rear of the vehicle as viewed from the slide rail. A vehicle pillar device according to claim 1.

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