JPH063725Y2 - Guide rail cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a guide rail cover used in an automatic seat belt device, and more specifically, a slider to which one end of an occupant restraining webbing is slid inward. The present invention relates to a guide rail cover that is movably fitted and is arranged on a guide rail that guides the slider in the vehicle longitudinal direction.

[Prior Art] As shown in FIGS. 7 and 11, a guide rail cover of this type has a claw portion 12 hooked on a guide rail 10.
A base portion 12 having A and a filler portion 14 continuous to the base portion 12 are integrally formed of an elastic material. A pair of the guide rail covers are arranged with the lower opening 16 formed in the guide rail 10 sandwiched therebetween, and as shown by the solid line in FIG. It is designed to cover.

Further, the filler portion 14 is moved by being guided by the guide rail 10 as shown in phantom lines in FIG.
In the portion corresponding to No. 8, the tip portion is pressed and brought into contact with the slider 18 and elastically bent and deformed to enable the movement of the slider 18.

If the filler 14 is not flexible in the guide rail cover,
Since it becomes a movement resistance of the slider 18, and the lower opening 16 is exposed because the tip portions cannot contact each other over a long distance before and after the slider 18 due to the ripple effect of the portion corresponding to the slider 18. A soft resin or the like is used.

Therefore, in the guide rail cover, not only the filler portion 14 is bent and deformed at a portion corresponding to the slider 18, but also the base portion 12 is lifted from the guide rail at a lower portion of the claw portion 12A, which impairs the view. there were.

Further, the guide rail 10 has a plurality of longitudinal positions via a retainer 20 as shown in FIG. 8 and a side rail 22 and a front pillar (not shown) above the side wall of the vehicle compartment.
As shown in FIG. 9, the guide rail cover is formed with a notch 24 for allowing the retainer 20 to pass therethrough.

Therefore, since the guide rail cover is not locked to the guide rail 22 at the portion where the cutout portion 24 is formed,
When the slider 18 passes through this portion, the filler portion 14 swells greatly as shown in FIG.
Due to this effect, the base portion 12 around the cutout portion 24 floated up from the guide rail and spoiled the appearance as described above.

In addition, a shoe made of resin or the like is disposed on the slider 18, and contacts the inner wall portion of the guide rail 10 to smooth the movement of the slider 18, and the slider 18 contacts the inner wall portion of the guide rail 10. It was designed to prevent metal-to-metal sliding noise from occurring, and also ensured durability.

For this reason, a work process of assembling the shoe on the slider 18 is indispensable, and this requires a certain thickness in order to ensure durability.

[Problems to be Solved by the Invention] In view of the above, the present invention prevents the base portion from rising from the guide rail at a portion corresponding to the slider, and the shoe is integrally formed as a shoe portion to prevent movement of the slider. (EN) Provided is a guide rail cover which is stable and smooth, prevents sliding contact noise, has high durability, and shortens the time required for assembling parts to the guide rail as a whole. Is the purpose.

[Means for Solving Problems] In the guide rail cover according to the present invention, a base portion made of hard resin that is elastically locked to the guide rail, and a portion that is continuous with the base portion and has a tip portion protruding from the guide rail. The filler portion made of a soft resin that is elastically bent and deformed by being pressed against the slider and the shoe portion made of a hard resin that is in contact with the slider and guides the movement of the slider are integrally formed. It has a structure.

[Operation] In the present invention having the above-described configuration, the base portion is made hard and the rigidity is high, and the portion corresponding to the slider does not float up from the guide rail, and the filler portion is made soft, and the original function is impaired. Never be

In addition, the shoe portion formed of hard resin guides the movement of the slider, so that the movement of the slider is stable and smooth, the occurrence of sliding contact noise is prevented, and high durability is ensured. By forming the shoe portion with the hard resin, the slidability is improved as compared with the soft resin.

Further, since the base part is made hard and the filler part is made soft, even if the base part is long along the guide rail and this long base part is locked to the guide rail, the locking is easy, and therefore the guide rail cover. The work to attach the to the guide rail becomes easy, and the guide rail cover does not come off easily even after the installation. Then, the shoe portion is formed by utilizing a part of the base portion, the shoe portion, the base portion and the filler portion are integrally formed together, and it is also possible to form the entire guide rail cover by extrusion molding at once. The number of parts is reduced, and the shoe portion and the base portion are made hard so that the guide rail cover can be handled easily, and the time required for assembling the guide rail cover on the guide rail as a whole is shortened.

[Embodiment] FIG. 2 shows a guide rail 30 provided with a guide rail cover according to an embodiment of the present invention. In the automatic seat belt device including the guide rail 30, the lower end portion of the webbing 34 that restrains the occupant 32 is wound up by the winding device 36, and the winding device 36 is fixed to the vehicle body floor at the center in the vehicle width direction. . The upper end of the webbing 34 is locked by an anchor metal fitting 38, and the anchor metal fitting 38 is pivotally supported by a slider 40. The upper portion of the slider 40 is slidably fitted in the hollow portion of the guide rail 30.

The guide rail 30 is attached to a roof side rail 42 and a front pillar 43 above the side wall of the vehicle compartment via a retainer 44 so as to guide the slider 40 in the vehicle front-rear direction. The slider 40 is connected to the driving device 45 via a flexible tape or a cable (not shown),
It is configured to be driven by the drive device 45 to move along the guide rail 30 in the front-rear direction of the vehicle compartment.

In FIG. 2, the position of the slider 40 indicated by the chain double-dashed line is the forward movement limit, and the occupant 32 is in the unloaded state of the webbing 34. The position indicated by the alternate long and short dash line is the rear movement limit and the occupant 32 is The webbing 34 is attached. Further, the position of the slider 40 shown by the solid line is the driving device 4
5 is driven and moving.

As shown in FIG. 1, the guide rail covers according to the present embodiment are arranged such that one pair of them are opposed to each other around the lower opening 41 of the guide rail 30 from which the lower end portion of the slider 40 protrudes. Extends over the entire length of. The guide rail cover is configured by integrally forming a base portion 46, a shoe portion 48, and a filler portion 50 from a resin by extrusion molding or the like.

As shown in detail in FIG. 1A, the base 46 is a side wall 46.
A, and a vertical wall 46B in which the lower end portion is continuous with the outer end (the side farther from the guide rail center line along the vertical direction) of the horizontal wall 46A,
The upper wall of the vertical wall 46B is provided with a hook wall 46C continuous with the upper wall. The shout portion 48 includes a vertical wall 48A whose lower end portion is continuous with an inner end (a side close to the guide rail center line along the vertical direction) of the horizontal wall 46A of the base portion 46, and a hook wall 48B which is continuous with an upper end portion of the vertical wall 48A. Is equipped with. The base portion 46 and the shoe portion 48 are hard. The upper end portion of the filler portion 50 is continuous with the outer (same front) surface of the vertical wall 46B of the base portion 46 and extends inward (same front) while facing downward. The filler portion 50 is soft.

The base 46 is provided with a hook wall 46C on a lower wall surface 52A of an outer recess 52 formed on the outer wall surface of the lower end of the guide rail 30.
Contact the lower wall surface 30A of the guide rail 30 and the lateral wall 4
When 6A abuts, the lower wall surface 52A is used as an upper wall surface to sandwich the outer protruding portion 54 formed at the lower end portion of the guide rail 30 and protruding in the lateral direction.

Further, the lower wall surface 56A of the inner recessed portion 56 formed on the inner wall surface of the lower end portion of the guide rail 30 is used as the upper wall surface to form the vertical wall surface 58A of the inner protruding portion 58 formed at the lower end portion of the guide rail 30 and protruding in the lateral direction. Vertical wall 48 of the shoe section 48
The lower end portion of the guide rail 30 is sandwiched by the vertical wall 46B of the base portion 46 that abuts against the vertical wall surface 54A of the outer protruding portion 54.

Further, the shoe portion 48 is provided on the lower wall surface 56A of the inner recessed portion 56.
The hook wall 48B comes into contact with the lower wall surface 30A of the guide rail 30, and the lateral wall 46A of the base portion 46 holds the inner protruding portion 58 therebetween.

As a result, the guide rail cover of the present embodiment is made rigid, so that the base portion 46 and the shoe portion 48 have high rigidity.
The hook walls 46C and 48B at both ends are hooked on the lower wall surfaces 52A and 56A, respectively, with the middle portion of the guide rail 30 in contact with the lower end of the guide rail 30 over a wide area.
It is firmly attached to.

As shown by the chain line in FIG. 1, the pair of filler portions 50 are configured such that the tip portions of the pair of filler portions are in pressure contact with each other at portions not corresponding to the slider 40 to cover the lower opening 41 of the guide rail 30. .

The upper end surfaces of the base portion 46 and the filler portion 50 have a notch portion 62 at a portion corresponding to the lower bent portion 60A of the retainer 60.
Is formed, and the lower bent portion 60A is fitted in the cutout portion 62.

In the guide rail cover of the present embodiment configured as described above, the recessed portion formed by being surrounded by the base portion 46 and the shoe portion 48 is pressed against the lower end portion of the guide rail 30 so as to be easily attached in the above-mentioned mounted state. Becomes

The slider 40 driven as described above is mounted on the guide rail 30 provided with the guide rail cover as described above.
Will be guided. Since the slider 40 is fitted to the guide rail 30 with a slight play in the vehicle width direction (left and right direction in FIG. 1), the slider 40 is biased by the winding device 36 inward (in the vehicle width direction). It is pulled to the right in FIG. 1) and normally comes into pressure contact with the shoe portion 48 of the guide rail cover located on the inner side in the vehicle width direction, and moves in this state. Therefore, the slider 4
No. 0 slides smoothly on the shoe portion 48 and does not directly contact the guide rail 30, so that no sliding contact noise between metals occurs. Further, even when the slider 40 swings outward in the vehicle width direction, the slider 40 abuts on the shoe portion 48 of the guide rail cover located outward in the vehicle width direction. Absent.

The slider 40 pushes and moves a pair of filler parts 50 covering the lower opening 41 of the guide rail 30 as shown by the solid line in FIG. Since the filler portion 50 is soft, it is not easily elastically deformed by the slider 40 and does not give great resistance to the movement of the slider 40.

Further, since the base portion 46 is hard and has high rigidity, it does not float up from the guide rail 30 even when the slider 40 passes through. In particular, in this embodiment, the vertical wall 48A of the hard shoe portion 48 acts to prevent the base portion 46 from rising from the guide rail 30, so that the lifting is surely prevented regardless of the presence of the notch 62. .

When the slider 40 passes, the pressed filler portions 50 quickly cover the lower opening 41 as indicated by the alternate long and short dash line in FIG. 1 by the shape restoring force. Since the filler portion 50 is soft and has a low rigidity and a small ripple effect in the adjacent portion, the portion where the lower opening 41 around the slider 40 is not covered by the filler portion 50 can be minimized.

Next, another embodiment of the present invention will be described. In the following embodiments, the guide rail covers are all integrally molded with resin.

FIG. 3 shows a second embodiment of the present invention. In this embodiment, the rigid base portion 46 and the shoe portion 48 are the first
The guide rail 30 is locked in a relationship similar to that of the embodiment, but the guide rail cover is not formed with a notch for allowing the retainer 60 to pass therethrough.
The lower bent portion 60A is in contact with the upper surface of the claw wall 46C of the base portion 46. Further, the soft filler portion 50 has its upper end continuous downward to the connecting portion between the lateral wall 46A and the vertical wall portion 46B of the base portion 46 and extends downward as in the first embodiment.

Also in this embodiment, as in the first embodiment, the base 46 does not float up over the entire length.

FIG. 4 shows a third embodiment of the present invention. In this embodiment, the hard base portion 46 is configured to include a lateral wall 46A and a claw wall 46D that protrudes upward from the central portion of the lateral wall 46A and has an upper end portion that is widened to form a semi-circular shape.
A hollow portion is formed inward so that it can be largely elastically deformed when the guide rail cover is attached. The lateral wall 46A contacts the lower end wall surface 30A of the guide rail 30, and the claw wall 46D
Is engaged and locked in a narrow recess 64 that opens to the lower wall surface 30A of the guide rail 30. The shoe section 48 is the base section 4.
The lower end portion of the lateral wall 46 </ b> A extends continuously upward from the inner end portion of the lateral wall 46 </ b> A and contacts the inner wall surface of the guide rail 30. The soft filler portion 50 has an upper end portion continuously extending to the lower surface of the outer end portion of the lateral wall 46A of the base portion 46 and extending downward as in the first embodiment.

Also in this embodiment, the base portion 46 is made hard so as to prevent the base portion 46 from rising, and the claw wall 46D and the hard shoe portion 48 act so as to prevent the base portion 46 from being lifted, so that the lift is surely prevented. is doing.

FIG. 5 shows a fourth embodiment of the present invention. In this embodiment, the hard shoe part 48 includes a vertical wall 48A and a vertical wall 48A.
And a claw wall 48C that projects laterally from the center of A and has a semi-circular shape with the tip end widened, and the claw wall 48C has a hollow portion formed inwardly for mounting the guide rail cover. It is sometimes said that it can be greatly elastically deformed. Vertical wall 48
A contacts the inner wall surface of the guide rail 30, and the claw wall 48C
Is a recessed portion 6 with a narrow opening that opens to the inner wall surface of the guide rail 30.
6 is engaged and hooked. The base portion 46 is in contact with the lower end wall surface 30A of the guide rail 30 such that the inner end portion is continuous with the lower end portion of the vertical wall 48A of the shoe portion 48. The soft filler portion 50 has its upper end portion continuously extending downward from the side surface of the outer end portion of the base portion 46 to the lower surface thereof, as in the first embodiment.

Also in this embodiment, the base portion 46 is made hard so as to prevent the base portion 46 from rising, and the vertical walls 48A and the claw walls 48C of the hard shoe portion 48 act to prevent the base portion 46 from rising so that the base portion 46 is lifted. Is surely prevented.

FIG. 6 shows a fifth embodiment of the present invention. In this embodiment, the rigid base 46 includes a lateral wall 46A and a lateral wall 46A.
A vertical wall 46B whose lower end is continuous with the outer end of the vertical wall 46B,
And a claw wall 46E that projects laterally from the upper end of B and has a semi-circular shape with the tip end widened, and the claw wall 46E has a hollow portion formed inward to mount the guide rail cover. It is sometimes said that it can be greatly elastically deformed. Side wall 46
A is in contact with the lower end wall surface 30A of the guide rail 30, and the vertical wall 46B is in contact with the outer wall surface of the guide rail 30.
6E is fitted and locked in a narrow recess 68 that opens to the outer wall surface of the guide rail 30.

The shoe portion 48 linearly continues to the inner end portion of the base portion 46 and projects below the lower opening 41 of the guide rail 30. The upper end of the soft filler portion 50 is the lateral wall 4 of the base portion 46.
The lower surface of the outer end portion of 6A continuously extends downward as in the first embodiment.

Also in this embodiment, the base portion 46 is made hard to prevent the base portion 46 from being lifted up, and the claw wall 46E of the base portion 46 is also prevented.
Acts so as to prevent the base 46 from being lifted, and thus reliably prevents the lift.

[Advantages of the Invention] As described above, in the guide rail cover according to the present invention, the base made of a hard resin that is locked to the guide rail, and the slider that is continuous with the base and has the tip protruding from the guide rail. A filler portion made of a soft resin that is elastically bent and deformed by being pressed and abutted, and a shoe portion made of a hard resin that is in contact with the slider and guides the movement of the slider by being in contact with the slider are integrally formed. Since the base portion is made hard and the rigidity is high, it does not float up from the guide rail at the portion corresponding to the slider, the filler portion is made soft and the original function is not impaired, and The shoe part formed of hard resin guides the movement of the slider, so that the movement of the slider is stable and smooth, and the occurrence of sliding contact noise is prevented. In particular, high durability is ensured, and further, since the shoe portion is formed of a hard resin, slidability is improved as compared with a soft resin.

Moreover, since the base part is made hard and the filler part is made soft, even if the base part is long along the guide rail and this long base part is locked to the guide rail, the locking is easy, and therefore the guide rail cover. The guide rail cover will not come off easily even after the installation, and the shoe part will be formed by using a part of the base part so that the shoe part, the base part and the filler part are It can be integrally formed and the entire guide rail cover can be formed by extrusion molding at once.The number of parts is reduced, and the shoe part and the base part are hard, which makes the guide rail cover easy to handle. The entire rail cover has the effect of shortening the time for assembling the guide rail.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a guide rail showing a first embodiment of a guide rail cover according to the present invention, which corresponds to the view taken along the line II in FIG. 2, and FIG. 1A is a partially enlarged view of FIG. , FIG. 2 shows the first
A schematic view of an automatic seat belt device having a guide rail provided with a guide rail cover of the embodiment, FIGS. 3 to 6 correspond to the second embodiment to the fifth embodiment of the present invention with FIG. And FIG. 7 is a cross-sectional view of a guide rail showing a conventional guide rail cover.
8 is a cross-sectional view of the guide rail shown in FIG. 7 when mounted on a vehicle, FIG. 9 is a partial perspective view of FIG. 7, and FIG. FIG. 11 is a perspective view for explaining, and FIG. 11 is a transverse sectional view of a guide rail showing another conventional guide rail cover. 30 ... Guide rail, 40 ... Slider, 46 ... Base part, 48 ... Shue part, 50 ... Filler part.

Claims (1)

[Scope of utility model registration request] 1. A guide rail cover disposed on a guide rail for slidably fitting a slider having one end of an occupant restraining webbing engaged therein and guiding the slider in a front-back direction of a vehicle compartment. A base made of a hard resin that is elastically locked to the guide rail, and a soft portion that is elastically bent and deformed by pressing and abutting a slider that is continuous with the base and has a tip protruding from the guide rail. A guide rail cover characterized in that a filler portion made of resin and a shoe portion made of hard resin which is continuous with the base portion and contacts the slider to guide the movement of the slider are integrally formed.