JP2000108729A - Leg cover of seat slide device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the removement of a leg cover without mounting a fixing claw by comprising a cover body made of a synthetic resin material and covering a supporting bracket, mounting a reinforcement rib on an inner upper surface of the cover body, and locking a part of the reinforcement rib in a notch formed on the supporting bracket. SOLUTION: A leg cover 10 is formed by a cover body formed by molding a synthetic resin material, and mounted for covering a supporting bracket 2 mounted on a floor of an automobile. An end part of a reinforcement rib 12 is locked in a notch 6 of the supporting bracket 2. The cover body of the leg cover 10 is overlapped on the supporting bracket 2, and an end part of the reinforcement rib 12 is fitted in the notch 6, whereby the end part of the reinforcement rib 12 is locked in the notch 6 and the backward movement of the cover body can be prevented. The lateral backlash of the leg cover 10 can be prevented by stopping the backward slipping-off of the leg cover 10, and contacting an edge of the notch with a side surface of the reinforcement rib 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leg cover for a seat slide device, and more particularly to a leg cover for covering a lower rail fixing leg member of an automobile seat slide.

[0002]

2. Description of the Related Art Conventionally, in a seat slide apparatus provided for adjusting a position by sliding a seat of an automobile back and forth, a leg cover for covering a leg member such as a leg bracket for fixing an end portion of a lower rail to a floor is mounted. Being
The fixed part of the leg bracket is not directly exposed.

FIGS. 14 to 17 show a conventional leg cover attached in this manner. As shown in the figure, a leg cover 3 is attached so as to cover a support bracket 2 which is a leg bracket attached to a floor of an automobile to support a lower rail 1 of a seat slide device. Such a leg cover 3 has a cover body 4 formed of a synthetic resin material in a bent shape, and a claw 5 is provided on both sides of a lower portion of the cover body 4,
The leg cover 3 is mounted by engaging the claws 5 with the notches 6 of the support bracket 2.

[0004]

However, in the leg cover 3 attached in such a conventional manner, the claw 5 protruding from the inside of the cover main body 4 is engaged with the notch 6 of the support bracket 2 to move the leg cover 3 upward and backward. When the claw 5 is locked in the notch 6 of the support bracket 2, the cover body 4 is forcibly pushed outward and fitted, so that the tip of the claw 5 is engaged. Or the cover body 4 itself or both side portions of the cover body 4 may be deformed and easily come off, and the cover body 4 itself may be whitened. In particular, since the bending margins are provided on both side portions, there are problems such that the outer shape of the cover body 4 must be enlarged by the amount of the bending margin.

Accordingly, an object of the present invention is to provide a structure in which even if an external force is applied, a fixing claw is not easily provided without providing a fixing claw on an outer peripheral side portion in order to solve such a conventional problem. An object of the present invention is to provide a leg cover for a seat slide device.

[0006]

According to the present invention, a leg cover of a seat slide device supports a lower rail fixed to a floor of an automobile via a support bracket, and a seat. In a seat slide device in which an upper rail is fitted so as to be movable in the front-rear direction, a cover body made of a synthetic resin material that covers the support bracket is provided, and a reinforcing rib is provided on an upper surface of an inner surface of the cover body. A part thereof is engaged with an engagement hole formed in the support bracket.

The leg cover of the seat slide device according to the present invention is characterized in that the reinforcing rib is provided with a divergent cross section.

Further, the leg cover of the seat slide device according to the present invention is characterized in that a protrusion is provided at a tip of the reinforcing rib.

Further, in the leg cover of the seat slide device of the present invention, the reinforcing rib is extended substantially in parallel in the front-rear direction, a projection is provided at an end, and the projection is formed in a groove provided in the support bracket. It is characterized by engaging with the formed notch.

As described above, according to the present invention, the leg cover of the seat slide device has the lower rail fixed to the floor of the vehicle via the support bracket and the upper rail supporting the seat so as to be movable in the front-rear direction. In the combined seat slide device, a reinforcing rib having a divergent or substantially parallel cross section is disposed on an upper surface of an inner surface of a synthetic resin cover body for covering the support bracket to which the lower rail is fixed. Since the ends of the reinforcing ribs are fitted and engaged with the engagement holes formed in the support bracket,
It is possible to make a structure that is hard to be disengaged even when an external force is applied, without providing any special fixing claw on the outer peripheral side of the leg cover.

Other objects and features of the present invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0012]

1 to 4 show a first embodiment of a leg cover of a seat slide device according to the present invention, and FIGS. 5 and 8 show a second embodiment. 9
FIG. 13 shows a third embodiment.

As shown in FIGS. 1 to 4, in the first embodiment of the leg cover of the seat slide device of the present invention, the support bracket 2 on which the leg cover 10 of the present invention is mounted is shown in FIG. It is configured as follows. That is, the support bracket 2 attached to the floor of the automobile is formed by, for example, sheet metal working or press working from an appropriate metal plate into a stepped shape as shown in FIG. 4 so that the lower rail 1 of the seat slide device is attached. Is formed. The support bracket 2 has a lower flat portion 3.
And an upper flat portion 4 and an inclined portion 5 connecting the lower and upper flat portions 3 and 4, and having an L-shaped vertical cross section on both sides from the inclined portion 5 to the lower flat portion 3. The flange portion 7 is formed so as to extend. The longitudinal section of the flange portion 7 can be formed in a substantially semicircular shape in addition to the L-shape.

Therefore, as shown in FIG. 4, the support bracket 2 is formed in a shape that is bent in two steps from the lower flat portion 3, and the flange portions 7 on both sides are used to reinforce the leg cover 10 of the present invention. A pair of notches 6 for locking the ribs 12 are provided. Further, such a support bracket 2 is fixed to the floor of the automobile at a flat portion 3 in a lower portion, and one end of a lower rail 1 of the seat slide device is fixed to a flat portion 4 in an upper portion by a fixing member such as a screw or a bolt. Made to be mounted.

As shown in FIGS. 1 and 2, the leg cover 10 of the first embodiment of the present invention mounted on such a support bracket 2 is a cover formed by molding an appropriate synthetic resin material. It is composed of a main body 11 and is mounted so as to cover the support bracket 2 mounted on the floor of the automobile.
The cover body 11 is formed in a shape corresponding to the shape of the support bracket 2 by, for example, bending in two steps, and is formed by connecting a flat portion 13 in a lower portion and a flat portion 14 in an upper portion by an inclined portion 15. A pair of reinforcing ribs 12 which are formed and have a divergent cross section, for example, a "C" shape, are provided inside the connecting portion between the flat portion 13 and the inclined portion 15 in the lower portion so as to protrude downward and spread downward. ing. Therefore, the end of the reinforcing rib 12 is formed so as to be engaged with the notch 6 of the support bracket 2. Also, the cover body 11
Except for the end of the flat portion 14 in the upper part of the above, a side portion 18 is provided to be bent so as to cover the peripheral portion.

Further, the cover body 11 of the leg cover 10
As shown in FIG. 1, the flat portion 13 in the upper portion has a central portion cut out to form an opening 17, and an arm portion 16 protruding left and right of the opening 17 is provided. Therefore, the arm portions 16 are mounted on the flat support portion 4 above the support bracket 2 in such a state as to hold the lower rail 1 of the seat slide device.

According to the first embodiment of the leg cover of the present invention thus configured, the lower rail 1 of the seat slide device is fixed to the support bracket 2 attached to the floor of the automobile. The seat slide device is attached to the upper rail 8. Thus, the leg cover 10 of the present invention is mounted on the support bracket 2 to which the lower rail 1 of the seat slide device is mounted. That is, if the cover main body 11 of the leg cover 10 is overlapped on the support bracket 2 and the end of the reinforcing rib 12 is fitted into the notch 6, the end of the reinforcing rib 12 is engaged with the notch 6. The rearward movement of the cover body 11 (rightward movement in FIG. 3) is prevented, so that the leg cover 10 is prevented from falling backward, and the edge of the notch 6 a is formed on the side surface of the reinforcing rib 12. To prevent the leg cover 10 from rattling on the left and right. Therefore, the leg cover 10 can be easily mounted simply by engaging the end portion, which is a part of the reinforcing rib 12, with the notch 6 without pushing the leg cover 10 itself outward. Since the whitening of the leg cover 10 due to the fitting as in the related art can be prevented, and since there is no need to provide a special bending allowance, the leg cover 10 itself can be manufactured in a small size. It becomes possible to secure a wider space under the seat.

In the second embodiment of the leg cover of the seat slide device of the present invention shown in FIGS. 5 to 8, a support bracket 2a mounted on the floor of an automobile is provided.
Is different from that of the first embodiment,
It is almost bent in the shape of "ku". This support bracket 2a is a lower rail 1 of the seat slide device.
8 is formed from a suitable metal plate, similarly in a bent shape as shown in FIG. 8, and has a pair of recessed and substantially parallel grooves 9 on both sides of the upper portion. The reinforcing ribs 22 of the leg cover 20 of the present invention are located in these
Are provided with a pair of cutouts 6a for locking the projections 23 provided on the front side. Further, such a support bracket 2a is fixed to a protruding portion of the floor of the automobile at the bent inclined portion 5a, and one end of the lower rail 1a of the seat slide device is fixed to the upper flat portion 4a by a fixing member such as a screw or a bolt. Have been.

As shown in FIGS. 5 to 8, the leg cover 20 of the present invention mounted on such a support bracket 2a comprises a cover main body 21 formed from an appropriate synthetic resin material. Is mounted so as to cover the support bracket 2a attached to the floor. The cover body 21 of the leg cover 20 is formed in a shape corresponding to the shape of the support bracket 2a, and includes an inclined portion 24 and an upper flat portion 25. The upper flat portion 25 has a cut-out central portion as shown in the figure. An opening 27 is formed, and arm portions 26, 26 projecting to the left and right of the opening 27 are provided. Accordingly, the arm portions 26 are mounted on the support bracket 2a in a state of holding the lower rail 1a of the seat slide device.

Further, a pair of substantially parallel reinforcing ribs 22 protruding downward are provided inside the arm portions 26 protruding left and right of the upper flat portion 25. Also,
Protrusions 23 protruding inward are provided near the ends of the reinforcing ribs 22, respectively, and are formed so as to be engaged with the notches 6a of the support bracket 2a.

FIGS. 9 to 13 show a third embodiment of the leg cover of the seat slide device of the present invention. In the third embodiment, the support bracket 2 is provided.
As shown in FIGS. 9 and 10, b is made of an appropriate metal plate in the same shape as the support bracket of the first embodiment, and includes a lower flat portion 3b and an upper flat portion 4b.
And an inclined portion 5b connecting the lower and upper flat portions 3b, 4b. That is, the support bracket 2b is formed in a shape bent in two steps from the lower flat portion 3b, and formed with flange portions 7b, 7b extending along left and right sides of the lower flat portion 3b and a flange portion 7c extending rearward. Further, notches 6b, 6b are provided in a front portion of the flange portion 7b.

The leg cover 30 according to the third embodiment of the present invention, which is mounted on the support bracket 2b, is formed into an irregular shape as shown in FIG. 13 from an appropriate synthetic resin material. It consists of a cover body 31 made and is mounted so as to cover the support bracket 2b attached to the floor of the automobile. The cover body 31 is a support bracket 2
b, and a first long arm portion 36b and a second short arm portion 36c having different lengths are provided, and a long first arm portion 36b is provided.
A reinforcement rib 37b having a projection 39b engaged with the notch 6b of the one flange portion 7b of the support bracket 2b is provided near the tip of the support bracket 2b, and near the tip of the shorter second arm portion 36c. Projection 39c locked in notch 6c of other flange 7c of support bracket 2b
And a reinforcing rib 37d is provided on the inner side on the rear side, and the end of the reinforcing rib 37d is engaged with the rear flange 7d of the support bracket 2b. A projection 39d is provided. Since the reinforcing ribs 37b, 37c, and 37d have a sufficient length and are elastic, they can be appropriately bent. In addition, the main body 3 of the leg cover 30 is used.
A plurality of reinforcing ribs 37e are provided at appropriate intervals on the inner surface of the main body 31 to further reinforce the main body 31, so that the main body 31 of the leg cover 30 can be further reinforced.

Accordingly, in the leg cover 30 of the third embodiment of the present invention formed as described above, the leg cover 30 of the present invention is attached to the support bracket 2b to which the lower rail 1b of the seat slide device is attached. Be attached. That is, the projection 3 of the reinforcing rib 37b of the longer arm portion 36b is formed by aligning the cover body 31 of the leg cover 30 so as to overlap the support bracket 2b from above.
9b is engaged with the notch 6b, and the protrusion 39c of the reinforcing rib 37c of the shorter arm portion 36c is inserted into the notch 6c.
When the protrusion 39d of the reinforcing rib 37d is further locked to the flange 7d, the reinforcing rib 37d
Since b, 37c, and 37d have sufficient elasticity and can be appropriately bent, each reinforcing rib 37b, 37c, 37d
d projections 39b, 39c, 39d are notched 6
The leg cover 30 is fixed to the support bracket 2b by being locked by the b, 6c and the flange portion 7d, and is firmly and firmly attached by three projections 39b, 39c, 39d, and the cover body 31 moves backward. 9 (rightward movement in FIG. 9), it is possible to prevent the leg cover 30 from falling backward and to prevent the leg cover 30 from rattling on the left and right.

Therefore, the reinforcing ribs 37b, 37c, and 37 can be used without pushing the leg cover 30 outward.
By fixing the projections 39b, 39c, and 39d, which are part of d, to the notches 6b, 6c and the flange 7d, the irregular leg cover 30 can be easily mounted. The whitening of the leg cover 30 due to the fitting as in the related art can be prevented, and
In order to eliminate the need for special bending allowance, leg cover 3
0 itself can be made in any irregular shape, which makes it possible to secure a wider foot space in the rear seat.

[0025]

As described above, in the leg cover of the seat slide device according to the first aspect of the present invention, the lower rail fixed to the floor of the vehicle via the support bracket and the upper rail supporting the seat are provided. In a seat slide device fitted movably in the front-rear direction, a cover body made of a synthetic resin material covering the support bracket is provided, and a reinforcing rib is provided on an upper surface of an inner surface of the cover body, and a part of the reinforcing rib is Since the leg cover is attached by engaging with the engaging hole formed in the support bracket, the leg cover can be easily and securely attached to the support bracket. The leg cover can be easily and firmly attached to the support bracket by using a part of the reinforcing ribs without providing anything on the outer peripheral side. Can be attached, it can be made a simple structure which hardly deviates even when an external force is applied, and it is possible to prevent whitening of the leg cover.

In the leg cover of the seat slide device according to the second aspect of the present invention, the reinforcing rib is provided with a divergent cross section, so that it can be made strong and simple.

[0027] The leg cover of the seat slide device according to the third aspect of the present invention can be made to have a simple structure by using the reinforcing rib because the protrusion is provided at the tip of the reinforcing rib. The cover can be securely installed.

According to a fourth aspect of the present invention, in the leg cover of the seat slide device, the reinforcing rib is extended substantially in parallel in the front-rear direction, a projection is provided at an end, and the reinforcing rib is formed in a groove provided in the support bracket. Since the notch is engaged with the notch, the leg cover is formed corresponding to the shape of the support bracket, so that the leg cover can be easily and easily attached.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a leg cover according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line 2-2 of FIG.

3 is a partially broken perspective view showing a state in which the leg cover of the seat slide device of the present invention of FIG. 1 is attached to a support bracket.

FIG. 4 is a perspective view showing a support bracket in FIG. 3;

FIG. 5 is a side view showing a second embodiment of the leg cover of the present invention.

FIG. 6 is a plan view of the leg cover of FIG. 5;

FIG. 7 is a longitudinal sectional view of the leg cover of FIG. 5;

FIG. 8 is a perspective view showing the leg cover according to the second embodiment of the present invention in FIGS. 5 to 7;

FIG. 9 is a plan view showing a third embodiment of the leg cover of the present invention.

FIG. 10 is a side view of the leg cover of FIG. 9;

FIG. 11 is an end view of the leg cover of FIG. 9;

FIG. 12 is a sectional view taken along line 12-12 of FIG. 9;

FIG. 13 is a perspective view showing the leg cover according to the third embodiment of the present invention in FIGS. 9 to 12;

FIG. 14 shows a support cover 1 of a conventional seat slide device.
It is a side view which shows two examples.

FIG. 15 is a sectional view taken along the line 15-15 in FIG. 14;

FIG. 16 is a plan view when the conventional leg cover of FIG. 14 is mounted.

FIG. 17 is a sectional view taken along the line 17-17 in FIG. 16;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower rail 2 Support bracket 3 Leg cover 4 Cover main body 5 Claw 6, 6b, 6c Notch 7, 7b, 7c Flange part 8 Upper rail 9 Groove part 10 Leg cover 11 Cover main body 12 Reinforcement rib 13 Flat part 14 Flat part 15 Slope 16, 16b, 16c Arm part 17 Opening part 18 Side part 19 Projection part 20 Leg cover 21 Cover body 22 Reinforcement rib 23 Projection part 24 Inclined part 25 Flat part 26 Arm part 30 Leg cover 31 Cover body 36b, 36c, 36d Arm Portions 37b, 37c, 37d, 37e Reinforcement ribs 39b, 39c, 39d Projection

Claims (4)

[Claims] 1. A seat slide device in which a lower rail fixed to a floor of an automobile via a support bracket and an upper rail supporting a seat are movably fitted in a front-rear direction, wherein a synthetic resin material covering the support bracket is provided. A leg of a seat slide device, comprising a cover main body, a reinforcing rib provided on an upper surface of an inner surface of the cover main body, and a part of the reinforcing rib is engaged with an engaging hole formed in the support bracket. cover. 2. The leg cover of the seat slide device according to claim 1, wherein the reinforcing rib is provided with a divergent cross section. 3. The leg cover for a seat slide device according to claim 1, wherein a protrusion is provided at a tip of said reinforcing rib. 4. The method according to claim 1, wherein the reinforcing rib extends substantially parallel to the front-rear direction, and a projection is provided at an end thereof, and the projection is engaged with a notch formed in a groove provided in the support bracket. The leg cover of the seat slide device according to claim 1, wherein