JPH11346859A - Finisher for movable member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress oil film formation on the exposed outer surface of a seat back arm other than a finisher as much as possible without obstructing the suppression effect of noise generation. SOLUTION: This finisher 1 of a reclining device is provided with an elastic lip part 4 for covering the turning range of the seat back arm 3 freely turnably and pivotally attached to a seat cushion arm 2 and an adjuster cover 5 for covering a reclining adjuster assembled between the seat cushion arm 2 and the seat back arm 3. Then, plural ribs 10 in elastic contact with the exposed outer surface of the seat back arm 3 for forcibly guiding the oil film on the exposed outer surface into the pivotally attached part direction of the seat back arm 3 by either back or forth turning of the seat back arm 3 are formed at the elastic lip part 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a reclining device for a vehicle seat or the like, or a finisher for a seat slide device.

[0002]

2. Description of the Related Art FIGS.
7 shows a finisher 100 of a conventional reclining device disclosed in Japanese Patent Application Publication No. 7-107.

[0003] The finisher 100 is provided between an elastic lip portion 4 which covers a rotation range of a seat back arm 3 rotatably mounted on the seat cushion arm 2 and a seat cushion arm 2 and the seat back arm 3. And an adjuster cover 5 that covers the assembled reclining adjuster (not shown).

The seat cushion arm 2 and the seat back arm 3 are pivotally mounted so that the seat back 200 can rotate with respect to the seat cushion 300 at various tilt angles including a full flat state. The angle is adjusted and locked by a reclining adjuster driven by operating the operation handle 400.

The elastic lip portion 4 is attached to the adjuster cover 5 so as to cover an opening 5a formed on the upper side of the adjuster cover 5 that covers the reclining adjuster and that allows the seat back arm 3 to rotate.

The elastic lip portion 4 is composed of two lip pieces 6, 7, each of which has its free ends 6a, 7a abutting against each other and has free ends 6a, 7a. The lower surfaces 6b and 7b are respectively attached to the seat back arms 3 so as to bend upwards at the respective free ends having the same.

A plurality of projections 110 are integrally formed on each lower surface 6b, 7b, and each lower surface 6b, 7b
It is in elastic contact with the seat back arm 3 via the plurality of projections 110.

At this time, the seat back arm 3 is configured by attaching a seat back skin 12 to the outer surface thereof via a pad 11, and the lower surface 6 b of the lip 6 is in contact with the seat back skin 12. Are in elastic contact with each other via the projections 110 of the base.

[0009]

In the finisher 100 configured as described above, the elastic lip portion 4 elastically contacts the seat back arm 3 via the plurality of projections 110, so that the frictional resistance is reduced. The generation of abnormal noise can be suppressed as much as possible, but the grease used for the reclining adjuster is transmitted to the outside of the finisher 100 through the seat back arm 3 by the reclining operation repeatedly performed for a long period of time, so that the seat back arm 3 There is a problem that formation of an oil film on the exposed outer surface cannot be prevented.

[0010] The formation of the oil film not only deteriorates the appearance but also causes stains on clothes.

A similar problem exists for other movable members such as a seat-side rail of the seat slide device.

Accordingly, the present invention provides a finisher for a movable member which is capable of minimizing the formation of an oil film on the exposed outer surface of the movable member outside the finisher without impairing the effect of suppressing the generation of abnormal noise. It is intended to be.

[0013]

According to a first aspect of the present invention, there is provided an elastic lip portion for covering a moving range of a movable member reciprocally attached to a fixed member. In the finisher for a movable member, the oil film on the exposed outer surface is resiliently contacted with the exposed outer surface of the movable member and the oil film on the exposed outer surface is forced inward of the elastic lip portion by one of the reciprocating movements of the movable member. A plurality of guiding ribs are formed on the elastic lip portion.

Therefore, in the first aspect of the present invention, the elastic lip portion elastically contacts the exposed outer surface of the movable member via the plurality of ribs, thereby avoiding surface contact, reducing the contact area and reducing the movable area. The frictional resistance when the member moves is also small.

In addition, even if the oil film of the grease moving along the movable member by the reciprocating movement of the movable member reaches a portion where the plurality of ribs resiliently contact, the grease oil film is forcibly moved by any one of the reciprocating movements of the movable member. And the forward movement of the portion or more is hindered.

According to a second aspect of the present invention, there is provided the finisher for a movable member according to the first aspect, wherein the plurality of ribs are
The movable member has a saw-tooth cross section inclined in a direction opposite to one of the reciprocating movements, and has a ridge of a predetermined length inclined in a direction opposite to the movement direction. It is characterized by:

According to the second aspect of the present invention, the plurality of ribs are arranged such that their ridges are elastically contacted with the exposed outer surface of the movable member, and the one-way oil film is formed by the serrated cross section and the inclination of the ridges. A return passage is formed.

That is, the oil film adhering to the exposed outer surface of the movable member is wiped off by the ridge by the movement opposing the inclination of the movable member, and is pulled back inward along the rib.

At the time of movement other than the above-mentioned movement and at the time of stop, the inclination of the ridge prevents the oil film from entering the elastic contact portion of the ridge and moving the oil film within the elastic contact portion.

According to a third aspect of the present invention, there is provided the finisher for a movable member according to the first or second aspect, wherein the elastic lip is pivotally mounted on a seat cushion arm constituting a reclining device so as to be reciprocally rotatable. And the plurality of ribs are attached by elastically contacting the exposed outer surface of the seat back arm.

Therefore, according to the third aspect of the present invention, the oil film of the grease moving along the seat back arm by the reciprocating rotation of the seat back arm reaches the portion where the plurality of ribs elastically contact, even if the oil film of the grease reaches the portion where the plurality of ribs elastically contact. It is forcibly pulled back by one of the reciprocating rotations, and the forward movement of the portion or more is prevented. In addition, the elastic lip portion resiliently contacts the exposed outer surface of the seat back arm via a plurality of ribs, thereby avoiding surface contact and reducing the contact area, and friction during rotation of the seat back arm. The resistance is also small.

According to a fourth aspect of the present invention, there is provided the finisher for a movable member according to the first or second aspect, wherein the elastic lip portion is mounted so as to be reciprocally movable along a vehicle body side rail constituting a seat slide device. The moving range of the seat-side rail provided is covered, and the plurality of ribs are attached so as to elastically contact the exposed outer surface of the seat-side rail.

According to the fourth aspect of the present invention, the oil film of the grease moving along the seat-side rail by the reciprocating movement of the seat-side rail reaches the portion where the plurality of ribs resiliently contact each other. One of the movements is forcibly pulled back, and the forward movement beyond the part is prevented. In addition, the elastic lip portion is in elastic contact with the exposed outer surface of the seat-side rail via a plurality of ribs, thereby avoiding surface contact and reducing the contact area, and frictional resistance when the seat-side rail moves. Is also small.

[0024]

Embodiments of the present invention will be described below with reference to the drawings. Note that the same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

FIGS. 1 to 3 show a finisher 1 of a reclining device according to a first embodiment of the present invention. The finisher 1 includes an elastic lip portion 4 that covers a rotation range of a seat back arm 3 as a movable member rotatably mounted on a seat cushion arm 2 as a fixed member, a seat cushion arm 2 and a seat back arm. 3 and an adjuster cover 5 for covering a reclining adjuster (not shown) assembled between the two.

At this time, the elastic lip portion 4 applies the oil film on the exposed outer surface to the surface facing the exposed outer surface of the seat back arm 3 by one of the reciprocating rotations of the seat back arm 3. A plurality of ribs 10, 10, ... forcibly guided in the direction of the shaft attachment portion of the seat back arm 3 are formed.

The elastic lip portion 4 has two substantially L-shaped cross sections provided so as to close an opening 5a for allowing rotation of the seat back arm 3 formed on the upper side of the adjuster cover 5 for covering the reclining adjuster. Each of the lip pieces 6, 7 has its free ends 6a, 7a abutting against each other, and has a free end 6a.
The lower ends 6b and 7b are attached to the seat back arm 3 so that the free ends having the respective a and 7a are bent upward. That is, the lip piece 6 is fixedly attached to the inner surface of the adjuster cover 5 with the screw 6 at the base 6c, and the lip piece 7 is fixedly fixed to the seat cushion arm 2 with the base 7c.

For this reason, in this embodiment, the elastic lip 4
The lower surface 6b of each free end of the lip pieces 6 and 7
7b, and the plurality of ribs 10, 10,.
The lower surfaces 6b and 7b are formed on the lower surfaces 6b and 7b, respectively, and the lower surfaces 6b and 7b are in elastic contact with the seat back arm 3 via the plurality of ribs 10, 10,... (See FIG. 2).

Specifically, the plurality of ribs 10, 10,.
As shown in FIG. 3, the seat back arm 3 has a saw-tooth cross section inclined at an inclination angle θ <b> 1 opposite to one rotation direction A of the reciprocating rotation of the seat back arm 3 and opposed to the rotation direction A. It is formed to have a ridge 8 of a predetermined length inclined at an inclination angle θ2.

FIG. 3 shows only the lip piece 6, but the lip piece 7 also has a plurality of ribs 10, 10,.

The ribs 10 are formed on the lower surfaces 6b and 7b and opposed to the seat back arm 3 when the respective free ends are warped upward. Therefore, rib 1
0 is correspondingly formed with a ridge 8 that is sufficiently shorter than the width (depth) of the lower surface 6b, 7b. Thereby, the free ends of the lip pieces 6, 7 can easily be warped upward. The rib 10 is integrally formed when the lip pieces 6 and 7 are molded using an elastomer.

The finisher 1 configured as described above includes:
Since the elastic lip portion 4 elastically contacts the seat back arm 3 via the plurality of ribs 10, 10,..., Surface contact is avoided to reduce the contact area, and the seat back arm 3
The frictional resistance at the time of rotation is also small, and the generation of abnormal noise can be suppressed as much as possible.

The rib 10 is disposed such that its ridge 8 is in elastic contact with the exposed outer surface of the seat back arm 3.
The serrated cross section and the inclination of the ridge 8 (tilt angles θ1 and θ2)
This forms a one-way oil film pullback passage.

That is, the oil film adhering to the exposed outer surface of the seat back arm 3 is wiped off by the ridge portion 8 by the rotation of the seat back arm 3 in the direction A (see FIG. 3), and is inwardly moved along the ribs 10. (In the direction of arrow B in FIGS. 2 and 3). In addition, when the seat back arm 3 is rotated other than the above-described rotation and stopped, the inclination of the ridge portion 8 causes the oil film to enter the contact portion of the ridge portion 8 and move the oil film in the contact portion. Is blocked.

The oil film of grease moving along the seat back arm 3 by the reciprocating rotation of the seat back arm 3 reaches the portion where the plurality of ribs 10, 10,... Forcibly retracted by one of the three reciprocating rotations (rotation in the direction A in the present embodiment), the forward movement of the portion or more is prevented, whereby the oil film moves out of the finisher 20. It can prevent advance.

FIG. 4 shows a finisher 20 of a reclining device as a modification of the first embodiment described above. The finisher 20 is applied to a reclining device including a seatback arm 3 having an outer surface to which a seatback skin 12 is adhered via a pad 11 as a component.

The finisher 20 is provided with a lip piece 6 elastically contacting the seat back arm 3 on the seat back skin 12 side.
, And the lip piece 7 elastically contacting the exposed outer surface thereof constitutes the elastic lip portion 4, and is different from the lip piece 7 only in that the above-described plurality of ribs 10 are formed. Has the same configuration as the finisher 1 described above.

At this time, the lip piece 6 may be configured to have a flat surface which is in surface contact with the seat back skin 12, but from the viewpoint of suppressing abnormal noise, preferably as shown in FIG. It comprises a plurality of projections 110.

The finisher 20 can effectively prevent the oil film moving along the exposed outer surface of the seat back arm 3 from moving by the plurality of ribs 10, 10,... Of the lip piece 7, so that the oil film finisher 20 can be used. It can be prevented from going outside.

FIGS. 5A and 5B show a finisher 30 of a seat slide device according to a second embodiment of the present invention. The finisher 30 includes only the elastic lip 4.

That is, the elastic lip portion 4 covers the moving range of the seat-side rail 33 attached reciprocally along the vehicle-body-side rail 32 constituting the seat slide device 31, and has a plurality of ribs 10, 10,. The seat side rail 3
3 is attached by elastic contact with the exposed outer surface.

At this time, the elastic lip portion 4 is attached to the vehicle body side rail 32 so as to allow the movement of the seat side rail 33 inserted into the guide groove 32a and to close the guide groove 32a. Lip pieces 6, 7 each having a free end 6
a, 7a butted against each other and free ends 6a, 7a
The lower ends 6b and 7b are attached to the seat-side rails 33 so that the respective free ends having the above-mentioned portions are bent upward. The lip pieces 6 and 7 have their bases 6c and 7c fixedly attached to the outer surfaces of the vehicle body side rail 32 on both sides of the guide groove 32a by screws or bonding.

Are formed on the lower surfaces 6b, 7b of the lip pieces 6, 7, respectively, as in the first embodiment. Each lower surface 6b, 7b is
It is in elastic contact with the seat side rail 33 via 0, 10,... (See FIG. 5B). In FIGS. 5A and 5B, reference numeral 34 denotes a roller located in the vehicle body side rail 32 and attached to the seat side rail 33.
Is a bolt for connecting the seat side rail 33 and a seat (not shown).

The finisher 30 configured as described above
Consists of only the elastic lip 4
Elastic contact with the seat-side rail 33 has a plurality of ribs 10, 10,
, And a plurality of ribs 10, 10,... Elastically contacting the seat-side rail 33 form a one-way oil film pull-back passage, so that the frictional resistance when the seat-side rail 33 moves is small. As a result, the generation of abnormal noise can be suppressed as much as possible, and the oil film adhering to the exposed outer surface of the seat rail 33 can be prevented from advancing outside the elastic lip portion 4.

[0045]

As described above, according to the first aspect of the present invention, the elastic lip portion elastically contacts the exposed outer surface of the movable member via the plurality of ribs, thereby avoiding surface contact. As a result, the contact area is reduced, and the frictional resistance during the movement of the movable member is also reduced. As a result, the generation of abnormal noise during the movement of the movable member can be minimized.

The plurality of ribs formed on the elastic lip have a function of forcibly pulling back the oil film on the exposed outer surface of the movable member by any one of the reciprocating movements of the movable member. Therefore, the formation of an oil film on the exposed outer surface of the movable member outside the finisher can be suppressed as much as possible.

According to the second aspect of the present invention, the plurality of ribs are arranged such that their ridges are elastically contacted with the exposed outer surface of the movable member. Since the oil film pull-back passage is formed, the forward movement of the oil film on the exposed outer surface of the movable member can be prevented, whereby the formation of the oil film on the exposed outer surface of the movable member outside the finisher can be suppressed as much as possible. .

According to the third aspect of the present invention, the elastic lip portion elastically contacts the seat back arm via the plurality of ribs, and the plurality of ribs elastically contacting the seat back arm is a one-way oil film pull-back passage. So that
The frictional resistance during rotation of the seat back arm is also reduced to minimize the generation of abnormal noise and to prevent the oil film adhering to the exposed outer surface of the seat back arm from going outside the elastic lip. Can be.

According to the fourth aspect of the present invention, the elastic lip portion elastically contacts the seat-side rail via the plurality of ribs, and the plurality of ribs elastically contacting the seat-side rail is a one-way oil film pull-back passage. As a result, the frictional resistance during the movement of the seat-side rail is reduced, and the generation of abnormal noise can be suppressed as much as possible. Can be prevented from entering.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of an automotive seat to which a finisher according to a first embodiment of the present invention is applied.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a partial perspective view of a lip piece constituting an elastic lip portion of the finisher of FIG.

FIG. 4 is a sectional view of a main part of an automotive seat to which a finisher as a modification of the first embodiment of the present invention is applied.

5A and 5B show a seat slide device to which a finisher according to a second embodiment of the present invention is applied, wherein FIG. 5A is a perspective view of a main part thereof, and FIG.

FIG. 6 is a perspective view of a main part of an automobile seat to which a conventional finisher is applied.

FIG. 7 is a sectional view taken along the line VI-VI in FIG. 6;

8 is a partial perspective view of a lip piece constituting an elastic lip portion of the finisher of FIG.

[Explanation of symbols]

1, 20, 30 Finisher 2 Seat cushion arm 3 Seat back arm 4 Elastic lip 5 Adjuster cover 8 Ridge 10 Rib 31 Seat slide device 32 Body side rail 33 Seat side rail A One rotation direction (reciprocation of seat back arm) Swiveling)

Claims (4)

[Claims] 1. A movable member finisher comprising an elastic lip portion covering a movable range of a movable member reciprocally attached to a fixed member, wherein the finisher elastically contacts an exposed outer surface of the movable member. A plurality of ribs are formed on the elastic lip portion for forcibly guiding the oil film on the exposed outer surface inward of the elastic lip portion by one of the reciprocating movements of the movable member. And a finisher for a movable member. 2. The finisher for a movable member according to claim 1, wherein the plurality of ribs have a sawtooth-shaped cross section inclined in a direction opposite to one of movement directions of reciprocation of the movable member, A finisher for a movable member, wherein the finisher is formed to have a ridge of a predetermined length inclined to face the moving direction. 3. The finisher for a movable member according to claim 1, wherein the elastic lip is pivotally mounted on a seat cushion arm of the reclining device so as to be reciprocally rotatable. A finisher for a movable member, wherein the finisher covers a moving range, and the plurality of ribs are elastically attached to an exposed outer surface of the seat back arm. 4. The finisher for a movable member according to claim 1, wherein the elastic lip portion is mounted on the seat-side rail so as to be reciprocally movable along a vehicle-body-side rail constituting a seat slide device. A finisher for a movable member, wherein the finisher covers a moving range, and the plurality of ribs are elastically attached to an exposed outer surface of the seat-side rail.