JP2506235Y2 - Position adjustment device for seat belt anchors - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a position adjusting device for a seat belt anchor provided in a center pillar of an automobile.

(Prior Art) As a conventional seat belt anchor position adjusting device, for example, there is one disclosed in Japanese Utility Model Laid-Open No. 2-38255. The device described in this publication includes a locking mechanism that locks a seat belt anchor that is slidable in the vertical direction, a slide plate that is supported by a garnish body of a center pillar and moves together with the seat belt anchor, and a back surface of the slide plate. The operation knob is attached to the side of the seat plate, and further, the operation knob is fixed to the slide plate and is vertically slidable with respect to the slide plate. A movable part that locks and releases the lock, and an elastic part that integrally connects the fixed part and the movable part and urges the movable part with respect to the fixed part in a direction in which the seat belt anchor is locked. It consists of

Then, in order to fix the fixed portion of the operation knob to the slide plate, a pin is formed on the back surface of the slide plate,
On the other hand, a small hole is formed in the fixed part, and while pushing the fixed part toward the back surface of the slide plate against the elasticity of the elastic part, insert the pin of the slide plate into the small hole of the fixed part and heat this pin. I am trying to squeeze.

(Problems to be solved by the invention) However, in the above-mentioned conventional structure, since it is necessary to perform the heat staking while preventing the rising of the fixed portion to which the elastic portion is given elasticity, the fixing to the slide plate is performed. The work of fixing the parts requires a lot of labor and labor, requires a large number of assembling steps, and is costly. Further, since the elastic fixing portion is heat-squeezed, the joint portion between the fixing portion and the slide plate may be displaced or may not be sufficiently fixed, and the mounting accuracy tends to be rough. Furthermore, when operating the movable part of the operation knob,
When a downward force is applied to the fixed portion, the stress concentrates on the heat-crimped portion and the periphery of the fixed portion is twisted, which causes deformation, damage or rattling. Further, in the above-mentioned conventional structure, when an operation force directed in a direction inclined with respect to the sliding direction is applied to the operation knob, the operation load of the operation knob fluctuates, the operation feeling is apt to deteriorate, and the operation knob slides. There is a problem that uneven wear may occur due to uneven sliding contact with the plate or the garnish body, and the fine particles of wear may deteriorate the appearance.

The present invention is intended to solve such a problem, and provides a position adjusting device for a seat belt anchor including an operation knob in which a movable part and a fixed part to a slide plate are integrally connected by an elastic part. , The fixed part of the operation knob can be easily attached to the slide plate, the manufacturing cost can be reduced, and the fixed part can be attached accurately and firmly, so that the mounting part is not deformed or damaged. The object is to prevent the movement and to smoothly move the operation knob to improve the operation feeling and appearance.

(Means for Solving the Problems) The seatbelt anchor position adjusting device of the present invention adjusts the position of the seatbelt anchor 4 provided on the center pillar, and is slidable. A locking mechanism 5 that locks and disengages the vehicle at an appropriate position, and a slide plate that is slidably supported on the back side of the garnish body 7 provided on the front surface of the center pillar and moves together with the seat belt anchor 4. 8
And an operation knob 9 attached to the back side of the slide plate 8. The operation knob 9 is slidable with respect to the fixed portion 91 fixed to the slide plate 8 and the slide plate 8 so that the seat belt anchor 4 is locked to the locking mechanism 5 and this locking. The movable part 92 for releasing the fixed part 91 and the movable part 92
And an elastic portion 93 for urging the movable portion 92 against the fixed portion 91 in the direction in which the seat belt anchor 4 is locked. Then, in order to achieve the above purpose, the movable portion 92 is provided on the back surface of the slide plate 8.
Forming a pair of elastic projections 86 that are opposed to each other in a direction orthogonal to the sliding direction, and forming claw portions 87 on the tip side of these projections 86 so as to face each other, while fixing the operation knob 9. Notches 97 are formed on both sides of the portion 91 along the sliding direction, and the pair of protrusions 86 of the slide plate 8 are fitted into the notches 97, respectively, and the claw portions 87 of the protrusions 86 and the slides. The back surface of the plate 8 is sandwiched by the fixed portion 91, and the back surface of the slide plate 8 is formed with a frame portion 84 slidable on both sides of the movable portion 92 of the operation knob 9 along the sliding direction. However, the operation knob 9 is held slidably in the sliding direction of the movable portion 92.

(Operation) In the seatbelt anchor position adjusting device of the present invention,
When fixing the fixed portion 91 of the operation knob 9 to the slide plate 8, the fixed portion 91 is pushed between the pair of protrusions 86 on the back surface of the slide plate 8. Along with this, the pair of protrusions 86 elastically deform in a direction away from each other, and the pair of protrusions 86 fit into the notches 97 on both sides of the fixed portion 91,
The fixing portion 91 is sandwiched between the claw portion 87 on the tip side of the protrusion 86 and the back surface of the slide plate 8. In this state, the pair of protrusions 86 are fitted into both the notches 97 of the fixed portion 91, so that the fixed portion 91 is moved in each direction along the back surface of the slide plate 8.
The position of the fixed portion 91 is regulated in the direction orthogonal to the rear surface of the slide plate 8 by the clamping of the claw portion 87 and the rear surface of the slide plate 8 to the fixed portion 91. During use, the movable portion 92 integrally connected to the fixed portion 91 by the elastic portion 93 is slid while being held by the frame portion 84, and the seat belt anchor 4 by the locking mechanism 5 is slid.
After the seat belt anchor 4 is slid together with the slide plate 8 and the movable portion 92 is slid in the opposite direction by the urging of the elastic portion 93, the seat belt anchor 4 is slid by the engagement mechanism 5. Lock.

(Embodiment) An embodiment of the seatbelt anchor position adjusting device of the present invention will be described below with reference to the drawings.

In FIG. 6, 1 is a center pillar inner panel of the automobile, and 2 is an adjuster unit. The adjuster unit 2 supports a seat belt anchor 4 slidably in a vertical direction on a rail 3, and a locking mechanism for locking the seat belt anchor 4 at an appropriate height position so that the seat belt anchor 4 can be engaged and disengaged. Have five. A through ring 41 is slidably supported by an anchor pin 40 of the seat belt anchor 4 by a nut 42 or the like, and the seat belt 6 is inserted into and supported by the through ring 41. Further, 7 is a garnish body forming the surface of the center pillar, 8 is a slide plate, and 9 is an operation knob.

A groove 11 is formed in the center pillar inner panel 1, and the rail 3 is mounted in the groove 11 with a screw 12.

Next, the locking mechanism 5 will be described in detail with reference to FIG. A plurality of locking holes 51 are formed in the rail 3 side by side in the vertical direction (only one is shown in the drawing). Further, the seat belt anchor 4 is slidably supported by a lock claw 52 which is engaged with the locking hole 51 in a disengageable manner, and a pin 53 is swingably supported. The lock claw 52 is urged by a spring or the like (not shown) in a direction to engage with the locking hole 51.
When 53 swings downward, the pressing piece 54 that is integral with this pin 53
The lock claw 52 is pressed by the
The lock claw 52 is adapted to be inserted into the locking hole 51 when the 53 is returned upward.

The garnish body 7 is integrally molded of synthetic resin, is attached to the center pillar inner panel 1, and covers the adjuster unit 2 and the slide plate 8. As shown in FIG. 2 and the like, the garnish body 7 having a substantially U-shaped cross section has an opening 71 and support pieces 72 formed on both inner side surfaces.

The slide plate 8 is integrally molded of synthetic resin, is fixed to the seat belt anchor 4 as shown in FIGS. 3 and 5, and has a support piece on the back side of the garnish body 7. It is slidably supported in the vertical direction while being guided by 72 and moves together with the seat belt anchor 4. An opening 81 is formed at the center of the slide plate 8.
Is formed, and a bridge portion 82 is formed so as to bulge in an intermediate portion of the opening 81, and the bridge portion 82 projects from the opening 71 of the garnish body 7.
At the same time, the seat belt 6 is led out from a position below the bridge portion 82 at the opening 81 of the slide plate 8. In addition, a ridge is formed on the lower end of the bridge portion 82.
83 is formed.

An opening 81 is formed on the back surface of the slide plate 8.
A supporting rib 84 as a substantially U-shaped frame portion, which is located above and is opened downward, is formed to project. Then, on both inner side surfaces of the support rib 84, claw portions 85 having a substantially triangular cross section are formed so as to be slightly spaced from the back surface of the slide plate 8 and face each other. Along with this, a pair of protrusions 86 that are opposed to each other in the horizontal direction are formed on the back surface of the slide plate 8 at positions inside the support ribs 84. Each of these protrusions 86 has an elongated shape in the vertical direction, and is elastically deformable in a direction away from each other. Further, on the tip side of the both protrusions 86,
The claw portions 87 having a substantially triangular cross section are formed so as to face each other and project.

The operation knob 9 is integrally molded of synthetic resin, and is fixed to the back surface of the slide plate 8.
91, a movable part 92 which is slidable in the vertical direction with respect to the slide plate 8 and which causes the locking mechanism 5 to lock and unlock the seat belt anchor 4, and the fixed part 91 and the movable part 92. The elastic member 93 is formed by integrally connecting the portions 92 and biasing the movable portion 92 with respect to the fixed portion 91 in the direction in which the seat belt anchor 4 is locked.

In particular, as shown in FIG. 5, in the lower part of the movable part 92,
A knob portion 94 located adjacent to the upper side of the bridge portion 82 of the slide plate 8 is bulged. An unlocking rib 95 is formed at the center of the back surface of the movable portion 92, and the unlocking rib 95 is used for the locking mechanism 5.
Is in contact with the pin 53 from above. And the movable part
The plate-shaped upper portion of 92 is a supporting rib of the slide plate 8.
It is fitted inside 84 so that it can slide only vertically. Here, since the upper portion of the movable portion 92 is sandwiched between the back surface of the slide plate 8 and the claw portions 85 of the supporting ribs 84, the movable portion 92 is orthogonal to the back surface of the slide plate 8. The position is restricted. The movable part 92 is slidable between a position where the upper end of the movable part 92 contacts the upper edge of the support rib 84 from below and a position where the knob part 94 contacts the protrusion 83 of the bridge part 82 from above. It has become.

A rectangular opening 96 is formed at the center of the upper part of the movable part 92, and the elastic part 93 is integrally formed by extending downward from the upper edge of the opening 96. This elastic part
93 is a leaf spring that is curved in a U shape,
It is vertically expandable and contractible.

Further, the fixing portion 91 is integrally formed by extending downward from the lower edge of the elastic portion 93. This fixed part 91 is
It has a substantially H-shaped flat plate shape, and has rectangular notches 97 on both sides along the vertical direction. As shown in FIG. 1, FIG. 3, and FIG. 4, in particular, the pair of projections 86 of the slide plate 8 are fitted in the notches 97, and the claws 87 of the projections 86 are formed. Since the fixing portion 91 is sandwiched between the back surface of the slide plate 8 and the back surface, the fixing portion 91 is fixed to the back surface of the slide plate 8.

When the operation knob 9 is attached to the slide plate 8, the knob portion 94 of the operation knob 9 is passed over the bridge portion 82 in the opening 81 of the slide plate 8, and the upper portion of the movable portion 92 of the operation knob 9 is attached. It fits inside the support ribs 84 of the slide plate 8 and the operation knob 9
The fixing portion 91 is pushed between both protrusions 86 of the slide plate 8 from the tip side thereof.

As described above, as the upper portion of the movable portion 92 is fitted, the both side portions of the support rib 84 are elastically deformed in a direction away from each other, and the both claw portions 85 of the support rib 84 are formed on both sides of the back surface of the movable portion 92. Engage the part. Further, as the fixing portion 91 is pushed in, both the projections 86 once elastically deform in a direction away from each other, and both projections 86 are fitted into the notches 97 of the fixing portion 91 so as to be surrounded respectively. The claw portions 87 of the protrusion 86 engage with both sides of the back surface of the fixed portion 91.

In this state, a pair of protrusions on both the notches 97 of the fixing portion 91.
The fitting of 86 fixes the position of the fixed portion 91 in each direction along the back surface of the slide plate 8. That is, the opposing surfaces of the protrusions 86 are pressed against both side surfaces of the fixed portion 91, whereby the fixed portion 91 is positionally regulated in the horizontal direction with respect to the slide plate 8. Together with this, both protrusions 86
The upper and lower surfaces of the cutout portion 97 of the fixing portion 91 are sandwiched between the upper and lower surfaces of the fixing portion 91, whereby the position of the fixing portion 91 is regulated in the vertical direction with respect to the slide plate 8. Further, by sandwiching the claw portion 87 and the back surface of the slide plate 8 to the fixing portion 91, the fixing portion 91 is provided in the direction orthogonal to the back surface of the slide plate 8.
Is restricted in position. In this way, the fixed portion 91 of the operation knob 9 is securely and firmly fixed to the slide plate 8.

In order to adjust the height position of the seat belt anchor 4 during use, first, the bridge portion 82 of the slide plate 8 and the knob portion 94 of the operation knob 9 are pinched, and the knob portion 94 is pushed down. Then, as shown by the chain double-dashed line in FIG. 5, the elastic portion 93 of the operation knob 9 elastically contracts, the movable portion 92 descends, and the locking release rib of the movable portion 92 is lowered.
95 pushes down the pin 53 of the locking mechanism 5. As a result, the lock claw 52 comes out of the locking hole 51 of the rail 3 and the locking of the seat belt anchor 4 is released. After the seat belt anchor 4 is moved up and down together with the slide plate 8 in this state, the lock claw 52 is engaged with an appropriate one of the locking holes 51 arranged in the vertical direction of the rail 3 to move the seat belt anchor 4 Lock. If the lock claw 52 comes to a position facing the locking hole 51 without pushing the knob portion 94 downward with a finger, the operation knob is urged by the elastic portion 93 as shown by the solid line in FIG. The movable portion 92 of 9 is returned upward, and the pin 53 is also raised, so that the lock claw 52 is engaged with the locking hole 51.

In this way, the seat belt anchor 4 can be adjusted to the optimum height position according to the height (sitting height) of the occupant.

And according to the said structure, when attaching the operation knob 9 to the slide plate 8, it is the same as the conventional fixing part 91.
There is no need to perform heat staking to fix the
All the installation including one can be done easily with one touch, and the cost can be reduced. Further, the mounting accuracy of the fixed portion 91 to the slide plate 8 is improved, and the fixed portion 91 can be firmly mounted, so that the mounting portion can be prevented from being deformed or damaged.

Further, on the back surface of the slide plate 8, support ribs 84 which can slidably contact both side portions of the movable portion 92 of the operation knob 9 along the sliding direction are integrally provided so that the operation knob 9 slides on the movable portion 92. Since it is held slidably in the direction, the operation knob 9 can be stably moved forward and backward in the predetermined sliding direction. Therefore, it is possible to suppress the fluctuation of the operation load of the operation knob 9 and improve the operation feeling, and the knob portion 94 of the operation knob 9 slides unevenly on the slide plate 8 to cause uneven wear, or the garnish body. It is possible to suppress the generation of wear fine powder by sliding contact with the edge portion of the opening 71 of 7, and to suppress the deterioration of the appearance and the generation of abnormal noise.

(Effect of the Invention) According to the present invention, in order to fix the fixed part of the operation knob, which is formed by integrally connecting the fixed part and the movable part slidable with respect to the slide plate by the elastic part, to the slide plate, A pair of elastic projections are formed on the back surface of the slide plate so as to face each other, and claws are formed on the tip side of these projections so as to face each other, while cutouts are formed on both sides of the fixed part of the operation knob. Then, a pair of protrusions of the slide plate are fitted into these cutout portions, respectively, and the claw portions of these protrusions and the back surface of the slide plate are sandwiched by the fixed portion. Therefore, the fixed portion of the operation knob can be easily attached to the slide plate, the manufacturing cost can be reduced, and the fixed portion can be attached accurately and firmly, and the deformation or damage of the attached portion can be prevented. be able to. Furthermore, on the back of the slide plate,
Frames that can slide on both sides along the sliding direction of the movable part of the operation knob are formed, and the operating knob is held slidably in the sliding direction of the movable part. It can be moved back and forth smoothly. Therefore, it is possible to suppress the fluctuation of the operation load of the operation knob, improve the operation feeling, and suppress the occurrence of uneven wear due to the operation knob coming into non-uniform sliding contact with the slide plate or the garnish body, and suppressing the deterioration of appearance. can do.

[Brief description of drawings]

1 shows an embodiment of a seatbelt anchor position adjusting device of the present invention. FIG. 1 is an enlarged perspective view of a slide plate and a part of an operation knob attached to the slide plate, and FIG. 2 is a garnish main body. FIG. 3 is an exploded perspective view of the slide plate and the operating knob, FIG. 3 is a sectional view taken along line AA in FIG. 1, and FIG.
The drawing is a sectional view taken along line BB in FIG. 1, FIG. 5 is a sectional view showing an operating state, and FIG. 6 is an exploded perspective view of the whole. 4 …… Seat belt anchor, 5 …… Locking mechanism, 7 ……
Garnish body, 8 ... slide plate, 9 ... operation knob, 84 ... support rib as frame, 86 ... projection, 87
...... The claw part, 91 ...... fixed part, 92 ...... movable part, 93 ...... elastic part, 97 ...... notch part.

Claims (1)

(57) [Scope of utility model registration request] 1. A device for adjusting the position of a seat belt anchor provided on a center pillar, comprising a locking mechanism for locking the slidable seat belt anchor at an appropriate position so that the seat belt anchor can be engaged and disengaged. The operation knob is provided with a slide plate slidably supported on the back side of the garnish body provided on the front surface of the pillar and moving together with the seat belt anchor, and an operation knob attached to the back side of the slide plate. Are a fixed part fixed to the slide plate, a movable part slidable with respect to the slide plate and allowing the locking mechanism to lock and unlock the seat belt anchor, and these fixed parts. And an elastic portion that integrally connects the movable portion and biases the movable portion with respect to the fixed portion in a direction in which the seat belt anchor is locked. And a pair of protrusions having elasticity facing each other in a direction orthogonal to the sliding direction of the movable portion is formed on the back surface of the slide plate, and claw portions are formed on the tip side of these protrusions so as to face each other. Notches are formed on both sides of the fixed portion of the operation knob along the sliding direction, and a pair of protrusions of the slide plate are fitted into these notches, and the protrusions and the slide plate are provided. And the back surface of the fixed portion is sandwiched, the back surface of the slide plate, to form a frame portion slidable to both sides along the sliding direction of the movable portion of the operation knob,
A seatbelt anchor position adjusting device, wherein the operation knob is held slidably in a sliding direction of the movable portion.