JPH02357Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a seatbelt support position adjustment device that adjusts the support position of a seatbelt by adjusting the position of an anchor, a through anchor, a retractor, etc. used in a seatbelt device for restraining an occupant. .

Conventionally, the fixing position of a shoulder anchor installed in the center pillar of a vehicle can be moved, and the condition of the seat belt folded back by this anchor can be adapted to the physique of the wearer, making it safer and more comfortable. It is being considered that it can be worn on a belt. For this purpose, various anchor installation position adjustment devices have been proposed, but in order to make the fixed anchor movable, all that is required is a single operation such as turning or pulling the operating member. If a body or object comes into contact with the operating member, there is a high possibility that the operating member may be operated incorrectly and the anchor may become movable. Therefore, there is a risk that the anchor may move unexpectedly and cause the person installing the belt to collide with the front panel, for example.

Therefore, the present invention aims to eliminate these dangers.
An object of the present invention is to provide a seatbelt support position adjustment device configured to operate an operating member in two stages in different directions so that an anchor, etc. will never move unless the operator consciously operates the operating member. .

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the embodiment, in which an adjusting anchor 2 is slidably provided along an adjusting base 1 which is a guide member. anchor 2
A through anchor 3 as a belt support member through which the belt passes is swingably provided, and a mechanism 4 for fixing and movable the anchor 2 is provided. As shown in FIG. 2, the base 1 has a plurality of latch portions 5 along its longitudinal direction, and bolts are passed through two bolt holes 6 and 7 to be attached to, for example, a center pillar of a vehicle.

The anchor 2 has a C-shaped cross section as shown in FIG.
A pair of elongated holes 11 are bored through which the latch member 10 (FIG. 1) engages, and the aforementioned mechanism 4
A pin 12 to which a is attached is implanted. The anchor 2 is attached to the adjuster slider 1 from one end.
3 slides smoothly along the base 1 by fitting the slider clip 14 from the other end. In the slider 13, the elongated hole 15 is a through hole in the base 1, the notch 16 is a relief for the latch member 10, and the projection 17 hangs on the end of the anchor 2 through the slider clip 14. In the clip 14, the long hole 18 is a through hole in the base 1.

To install the through anchor 3, pass the bolt 8 into the hole 9 of the anchor 2 from below, fit the collar 19, silencer 20, mounting part 21 of the through anchor 3, and silencer 22 onto the bolt 8, and then screw the nut 23. Install it with This part is covered with a cover 24 as shown by the dashed line in FIG. 1, leaving the part through which the belt of the through anchor 3 passes.

The mechanism for fixing and movable the anchor 2 with respect to the base 1 is as shown in FIG. 6, which is a sectional view taken along line A-A in FIG. The latch member 10, a spring cover 26, a latch spring 27, a release shaft 28, a spring 29, a release dial 30, and a cap 31 are arranged. The latch member 10 and the release arm 25 have shapes as shown in FIGS. 7 and 8, respectively, and the relief 32 of the latch member 10 is connected to the protrusion 33 of the release arm 25 (only one is visible in FIG. 8). At the same time, pass the release arm 25 through the release arm through hole 34 and combine them. In this state, the leg portion 35 of the latch member 10 that latches with the base 1 extends downward from the notch 36 of the release arm 25, and both members The latch spring holes 37 and 38 of 10 and 25 are aligned.

The release shaft 28 is fixed to the pin 12 by an E ring 39 so that it cannot move axially but can rotate.
A screw with a pitch angle of about 15° to 30° formed on the cylindrical portion 40 of the release shaft 28 engages with a similar screw 41 formed on the inner wall of the release arm 25, and the release arm 25 is released. It is fitted onto the shaft 28. Incidentally, the release arm 25 and release shaft 28 function as operation transmission means, as will be described later.

The spring cover 26 has a shape as shown in FIG. 9, and after inserting the release arm 25 into the release arm passage hole 43 by aligning the relief 42 with the protrusion 35 of the release arm 25, the latch spring hole 44 is inserted into the release arm. After rotating the spring case 26 until it lines up with the similar holes 38, 37 in the latch member 10, the legs of the latch spring 27 are passed through the holes 37, 38, 44 and the three members 10, 25, 26 are removed. Make it integrated. The upper end of the latch spring cover 27 is received by the lower surface of the flange of the release shaft 28, as shown in FIG.

A release dial 30 as an operating member is attached above the release shaft 28 so as to be movable up and down and rotatable relative to the pin 12 via a push nut 45. is energized by A plurality of holes 46 having a triangular cross section as shown in FIG. The rotation of the release dial 30 is transmitted to the release shaft 28 by meshing with a protrusion 47 having a triangular cross section as shown in FIG.

The operation of this embodiment will be explained based on the above configuration.

Suppose that after putting on the seat belt, the position of the shoulder belt is inappropriate for the wearer, so the user attempts to adjust the position of the through anchor 3 through which the shoulder belt passes. To do this, first push the release dial 30 toward the vehicle body (in the direction indicated by the dashed line in FIG. 1). The hole 46 of the release dial 30 meshes with the protrusion 47 of the release shaft 28, and the two become connected. In this state, the second operation of turning the release dial 30 is performed. This rotation is transmitted to the release shaft 28, which is axially fixed and integral, since the latch member 10, release arm 25, and spring cover 26 cannot rotate.
These three members 10,
25 and 26 move toward the passenger compartment (upward in FIG. 6). At this time, since the rotation is transmitted through the engagement between the triangular hole 46 and the protrusion 47, if excessive torque is applied to the release dial 30, this engagement will come off and rotation will not be transmitted. That is, this meshing portion serves as a torque limiter to prevent each member from being damaged by excessive force.

Now, as shown in FIG. 6, when the latch member 10 moves upward from the state in which the latch member 10 and the latch portion 5 of the base 1 are latched, the latch member 10
The widely spaced portions of the legs 35 come to the latch 5 and the latch is released. At this time, the latch spring 27 is in a compressed and stored state.

In this state, the wearer has both springs 27 and 29
The adjustment anchor 2 is moved along the base 1 to an appropriate position while pushing and grasping the release dial 30 against the force of. When the release dial 30 reaches the appropriate position and you stop pressing the release dial 30, the force of the spring 29 causes the release dial 30 to separate from the release shaft 28, and even if the release dial 30 is grasped by hand, the release shaft 2
The rotation of 8 becomes free. Therefore, the energized spring 27 moves the latch member 10 toward the latched position and at the same time rotates the release shaft 28 in the opposite direction to the direction in which the latch is released.

At this time, when the latch member 10 is aligned with the new latch portion 5 of the base 1, both are latched and the position adjustment of the adjuster anchor 2 is completed. If the latch member 10 and the latch portion 5 are not properly aligned, the release arm 25, spring cover 26, and latch member 10 will stop midway. However, even in this case, if the wearer holds the release dial 30 without pressing it and moves it slightly up and down along the base 1, the latch member 10 will be released from the latch 5.
When the latch member 10 reaches the fully latched position by the force of the spring 27, the position adjustment of the adjuster anchor 2 is completed.

In the above embodiment, since the mechanism 4 for releasing the latch is arranged at the center of the latch member 10, there is no inclination of the latch member from its normal position due to installation error of the latch member, and therefore this movement is always smooth. Since the release dial and release shaft are separate parts, they can be provided with a meshing part to play the role of the torque limiter as described above.

In addition, in the above embodiment, the azimuth anchor 2
In this example, the through anchor 3 is attached to the shoulder belt, and the adjuster base 1 is attached to the center pillar. However, the base 1 may be attached to a retractor or the like, and the base 1 may be attached to various locations. Furthermore, the latch position used to be a stepped type, but with a simple design change, it can be changed to a non-stepped type, and the operating member is not limited to the mode of the above embodiment, but can be operated in two steps in different directions. It may be operated in any direction.

As described above, according to the present invention, the latch member is released and the adjuster anchor cannot be moved until the release button, which is the operating member, is operated in two steps in different directions. Nothing will happen to you.

[Brief explanation of drawings]

FIG. 1 is a front view of an embodiment of the present invention, FIGS. 2 to 5 and 7 to 9 are perspective views of each member,
FIG. 6 is a sectional view taken along the line A-A in FIG. 1, and FIG. 10 is a diagram illustrating the meshing portion between the release button and the release shaft. Explanation of symbols of main parts, 1... Adjustment base, 2... Adjustment anchor, 3... Belt support member, 10... Latch member, 30... Operation member, 25, 28, 46, 47... Operation means of communication.

Claims (1)

[Claims for Utility Model Registration] An adjusting base, an adjusting anchor guided along the adjusting base, a belt support member attached to the adjusting anchor, an engagement position that engages with the adjusting base; The adjustment anchor is attached to the adjustment anchor so that it can take a non-engaged position, and when the adjustment anchor takes the engaged position, the adjustment anchor is fixed to the adjustment base, and when the disengagement position is taken, the adjustment anchor is fixed to the adjustment base. a latch member movable along an adjusting base; an operating member for bringing the latch member from an engaged position to a disengaged position by two stages of operation moved in mutually different directions; A seatbelt support position adjustment device comprising: operation transmitting means for transmitting the operation movement of the next stage to the latch member when a two-stage operation is performed.