JP2003039994A - Sweeper mounting structure in seat slide device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely mount a sweeper for sweeping trash in a lower rail to the outside onto an upper rail, to prevent looseness at slide operation and to prevent drop of the sweeper. SOLUTION: The sweeper 50 is provided with a sweeper plate 51 extending along the width direction of the lower rail 20 for sweeping out trash to the outside, an upper and a lower flanges 52 and 53 holding a bottom wall 31b of a body part 31 of the upper rail 30 from above and below, and a holding part 54 for holding and fixing a perpendicular wall 33 of the upper rail 30. Both sides of the perpendicular wall 33 of the upper rail 30 are held by a holding piece 55 provided at the holding part 54, an emboss projecting part 56 provided on the holding piece 55 is fitted in a mounting hole 33a of the perpendicular wall 33, positional regulation in the front and rear direction and the right and left direction is made, and a trip is prevented by a hook 53a at the tip end of the lower flange 53.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sweeper mounting structure in a seat slide device, and more particularly, to a lower rail mounted along the front-rear direction of a vehicle floor and slidable in the longitudinal direction on the lower rail. A seat slide device that is guided and supported by the upper rail and is fixed to the seat body side, and a sweeper that sweeps out foreign matter accumulated inside the lower rail to at least one of the front and rear ends of the upper rail. The present invention relates to a mounting structure of a sweeper in a seat slide device.

[0002]

2. Description of the Related Art Generally, a vehicle seat is provided with a seat body including a seat cushion and a seat back which is rotatably adjustable behind the seat cushion. By supporting it on the floor through a front-rear slide mechanism, it is possible to adjust the slide movement in the front-rear direction of the vehicle body, and it is formed so that the layout of the seat in the vehicle compartment can be variously changed.

As such a seat back-and-forth slide mechanism, a lower rail is formed on the floor surface of the vehicle body in the front-rear direction, is placed on the floor surface side of the vehicle body, and is provided at substantially the same height as the surface of the floor carpet. A seat slide device including an upper rail that is attached and fixed to the seat body side is used.

By the way, the lower rail is formed with an opening or a slit for fitting the upper rail, and foreign matter such as dust enters the lower rail through the opening or the slit, and the upper rail is slidable with respect to the lower rail. May be damaged.

The dust that has entered the lower rail,
As a mechanism for discharging foreign matters such as dust to the outside of the lower rail, a seat slide device provided with a sweeper for sweeping dust on either or both of the front and rear ends of the upper rail is disclosed in, for example, Japanese Patent Laid-Open No. 10-315811.
It is proposed as shown in the publication.

As shown in FIG. 9, this seat slide device 1 is guided slidably along the lower rail 2 and the lower rail 2 which is formed long on the floor surface of the vehicle along the front-rear direction. The upper rail 3 supports a seat body (not shown) and sweepers 4 attached to the front and rear ends of the upper rail 3.

The mounting structure of the sweeper 4 on the upper rail 3 is, as shown in FIG. 10, a U-shaped mounting bracket 4 integrated with the sweeper body 4a.
b is sandwiched between the edges of the upper rail 3 and the fixed protrusions 4c and the rotation protrusions 4d formed on the mounting bracket 4b are fitted into the fixed holes 3a and the moving holes 3b of the upper rail 3 to move the sweeper 4 to the upper rail. It is attached to 3. In FIG. 11, the sweeper 4 is attached to the upper rail 3.
Is mounted and housed in the lower rail 2 is shown.

[0008]

As described above, in the mounting structure for the sweeper 4 shown in FIGS. 9 to 11, the mounting structure mounted on the sweeper body 4a for the purpose of ensuring the slidability of the upper rail 3. Bracket 4
b is fixed by fitting the fixing protrusion 4c into the fixing hole 3a of the upper rail 3, and is loosely fitted in the moving hole 3b into which the rotating protrusion 4d fits. However, the sweeper 4 may rattle when the upper rail 3 is slid, and the sweeper 4 may fall off the upper rail 3 when a sudden slide operation is performed.

It is an object of the present invention to attach a sweeper to at least one side of the front and rear ends of an upper rail slidably guided to a lower rail so that foreign matter such as dust in the lower rail can be discharged to the outside. With the mounting structure, the sweeper can be securely fixed to the upper rail in the front-rear, left-right, and up-down directions, and can be securely fixed, eliminating rattling during slide operation and performing rapid slide operation. (EN) Provided is a mounting structure for a sweeper in a seat slide device, which does not fall off even if it goes.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and the mounting structure of the sweeper in the seat slide device according to claim 1 of the present invention is arranged along the front-back direction of the vehicle floor surface. A seat slide device including a lower rail that is attached to the seat and an upper rail that is slidably guided in the longitudinal direction on the lower rail and that is attached and fixed to the seat body side, at least at front and rear ends of the upper rail. In the mounting structure of the sweeper in the seat slide device for mounting the sweeper that sweeps out the foreign matter accumulated inside the lower rail to one of the lower rails, the lower rail includes a main body portion having a substantially upward U-shape, and the front end sides of both side portions of the main body portion. The upper rail is provided with a pair of left and right flanges that extend inward and form an opening. A body portion having a substantially downward U shape housed in the body portion of the rail, a portion extending upward from the center of the upper wall of the body portion, protruding above the opening portion of the lower rail, and a mounting portion to the seat body side. Has a vertical wall forming
The sweeper extends left and right along the width direction of the lower rail, partially abuts on the inner bottom surface of the lower rail, and a sweeper plate for discharging foreign matter to the outside, and the sweeper plate protrudes in a perpendicular direction from the plate surface of the sweeper plate. Upper and lower flanges that sandwich the bottom wall of the upper rail body from above and below, and a sandwiching part that extends upward from the upper edge of the sweeper plate and sandwiches the vertical wall edge of the upper rail from the left and right sides. By sandwiching the bottom wall of the main body of the upper rail with the upper and lower side flanges and fitting the embossed convex portion provided on the sandwiching portion into the mounting hole opened in the vertical wall of the upper rail, the vertical direction and The feature is that the sweeper is attached to the upper rail by controlling the position in the front-back and left-right directions.

According to the sweeper mounting structure in the seat slide device of the first aspect of the present invention,
The sweeper plate extending along the width direction of the lower rail has protruding upper and lower flanges that extend in the perpendicular direction from the plate surface, and the upper and lower flanges sandwich the bottom wall of the upper rail main body from the upper and lower surfaces. There is no risk of vertical displacement with respect to the upper rail. In addition, the upper rail is sandwiched from the upper edge of the sweeper plate to the upper side, and the upper rail is pinched from the left and right sides. On the other hand, it can be mounted in a state in which displacement in the front-rear direction and the left-right direction is avoided. In this way, the sweeper does not have any rattling at the time of sliding operation because the position of the upper rail is reliably regulated in the front-back, left-right, and up-down directions. There is no danger of falling out.

In the structure for mounting the sweeper in the seat slide device according to claim 2 of the present invention, a hook is formed at the tip of the lower flange of the sweeper, and the bottom wall of the upper rail main body is sandwiched by the upper and lower flanges. At this time, the hook is locked to the edge of the roller accommodating opening provided in the bottom wall, and the falling of the sweeper is restricted.

According to the sweeper mounting structure in the seat slide device of the second aspect of the present invention,
If you insert the upper and lower flanges into the bottom wall so as to sandwich the bottom wall of the upper rail main body from the upper and lower sides, the hook provided at the tip of the lower flange engages with the edge of the roller accommodating opening of the bottom wall. The lower side of the sweeper does not rotate around the embossed convex portion, and the fall of the sweeper can be reliably prevented. Furthermore, when inserting the upper and lower flanges into the main body of the upper rail, the hook at the tip of the lower flange engages with the edge of the roller accommodating opening on the bottom wall, which provides a moderation feeling and facilitates the work of installing the sweeper. Easy to check.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of a sweeper mounting structure in a seat slide device according to the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a sectional view showing a basic configuration of a seat slide device for mounting a sweeper according to the present invention, and FIG. 2 is a state in which a sweeper is mounted on front and rear ends of an upper rail in the seat slide device. 3 is a perspective view showing the sweeper applied to the present invention, FIG. 3 is a perspective view of the sweeper, and FIG.
Is a side view of the sweeper, FIG. 5 is a front view of the sweeper, and FIG. 6 is a plan view of the sweeper. Further, FIG. 7 is a side view showing a state in which the sweeper is attached to the upper rail, and FIG.
FIG. 6 is a cross-sectional view showing a state in which a sweeper is attached to the upper rail.

First, a schematic structure of a seat slide device 10 to which the sweeper according to the present invention is applied will be described with reference to FIG. Although not shown in the drawings, the object to which the seat slide device 10 according to the present invention is attached is provided on the floor surface of the vehicle body by being interposed between the seat body including a seat cushion, a seat back and the like and the floor surface of the vehicle body. It is well known that the seat body is used so as to be slidably supported in the front-rear direction of the vehicle.

The seat slide device 10 according to the present invention is
As shown in FIG. 1, a lower rail 20 mounted on the floor surface of the vehicle along the longitudinal direction of the vehicle, and a lower rail 2
0, is slidable along the longitudinal direction of the vehicle, is attached to the seat body side (not shown), and is generally constituted by an upper rail 30 that supports the seat body.

More specifically, the lower rail 20 and the upper rail 30 are formed by extrusion molding of aluminum die-cast or light alloy such as magnesium alloy.
An extruded product of hard synthetic resin may be used, and the lower rail 20 may be fixed to the vehicle floor while being embedded in the cutout portion of the floor carpet, or may be provided with a leg and mounted on the vehicle floor. You may be asked.

The lower rail 20 includes a body portion 21 having a generally upward U-shape, and a pair of left and right flanges 22 which are bent inward from the upper ends of both side portions of the body portion 21 and which have an opening 21a. A slider receiving portion 23 for receiving the slider is formed on the inner surface of the shoulder portion of the lower rail 20.

On the other hand, the upper rail 30 includes a main body portion 31 having a substantially downward U shape so as to be accommodated in the main body portion 21 of the lower rail 20, and slider receiving portions formed on both shoulder portions of the main body portion 31. 32 and the upper wall 31 of the main body 31
It has a vertical wall 33 protruding upward from the center of a and protruding upward from the opening 21a of the lower rail 20.
Further, a slider 40 made of a synthetic resin molded body is inserted between the slider receiving portion 23 of the lower rail 20 and the slider receiving portion 32 of the upper rail 30 to ensure smooth slide operability of the upper rail 30. There is.

The present invention is characterized by a sweeper 50 mounting structure for sweeping foreign matter such as dust and dust accumulated inside the lower rail 20 from the end of the lower rail 20 or the lock hole to the outside.

FIG. 2 shows the upper rail 30 and the sweeper 50 in a disassembled state. As shown in FIGS. 3 to 6, the sweeper 50 is an injection-molded article made of a synthetic resin such as polyamide resin or polyacetal resin. And a sweeper plate 5 that extends along the width direction of the lower rail 20 and sweeps out foreign matter such as dust inside the lower rail 20 to the outside.
1 and a plurality of mounting portions for mounting the sweeper 50 on the upper rail 30 side.

At both sides of the lower edge of the sweeper plate 51, sweep-out portions 51a that partially come into contact with the inner surface of the lower rail 20 are provided. As the mounting portion of the sweeper 50, there are provided an upper flange 52 and a lower flange 53 for mounting on the main body 31 of the upper rail 30, and a holding portion 54 for mounting on the vertical wall 33 of the upper rail 30.

More specifically, the upper flange 52 and the lower flange 53 are provided so as to project in a direction perpendicular to the plate surface of the sweeper plate 51, and the distance between the upper flange 52 and the lower flange 53 is the main body portion of the upper rail 30. The thickness of the bottom wall 31b of the upper flange 52
It is set longer than.

At the tip of the lower flange 53, there is provided a hook 53a which is engaged with the edge 31d of the roller accommodating opening 31c formed in the bottom wall 31b of the upper rail 30, and the lower flange 53 has a hook 53a. A plurality of ribs 53b extending along the front-rear direction are provided on the back surface of the lower flange 53 in order to enhance rigidity.

Next, the holding portion 54 is formed so as to extend upward from the upper edge of the sweeper plate 51.
Has a sandwiching piece 55 sandwiching the vertical wall 33 of the upper rail 30 from the left and right sides, and an embossing convex portion 56 is provided so as to face the inner surface of the sandwiching piece 55. , The vertical wall 3 of the upper rail 30
It fits in the mounting hole 33a formed in 3.

Therefore, as shown in FIGS. 2 and 7, in order to attach the sweepers 50 to the front and rear ends of the upper rail 30, respectively, the upper flange 52 and the lower flange of the bottom wall 31b of the main body 31 of the upper rail 30 are attached. Flange 53
Insert it from above and below,
The vertical wall 33 of the upper rail 30 is sandwiched by the sandwiching pieces 55 of 4 from the left and right sides so that the embossed protrusions 56 are fitted in the mounting holes 33a, and the sweeper 50 can be easily mounted with one touch.

Therefore, in the state where the sweepers 50 are attached to the front and rear ends of the upper rail 30, as shown in FIGS. 7 and 8, the embossed protrusion of the holding piece 55 is attached to the attachment hole 33a of the vertical wall 33 of the upper rail 30. Since 56 is fitted, the sweeper 50 is regulated in the front-rear direction, and the hook 53a at the tip of the lower flange 53 is locked to the roller accommodation opening 31c edge 31d of the upper rail 30 to emboss the sweeper 50. Positioning in the front-rear direction can be reliably performed without rotating around the convex portion 56.

Further, as shown in FIG. 8, the embossed projection 56 of the holding piece 55 is fitted into the mounting hole 33a of the vertical wall 33 of the upper rail 30, so that the lateral position is surely regulated. , And upper rail 3
Since the upper and lower surfaces of the bottom wall 31b of the main body 31 of No. 0 are securely sandwiched by the upper flange 52 and the lower flange 53 from above and below, the vertical position regulation is also ensured.

As described above, the sweeper 50 attached to the front and rear ends of the upper rail 30 is restricted in the front-rear direction and the left-right direction by the embossed protrusion 56, and the bottom wall 31b of the main body 31 of the upper rail 30 is connected to the upper and lower flanges 5.
Since it is sandwiched by 2, 53, the vertical position is also regulated, and the hook 53a provided at the tip of the lower flange 53 has a roller accommodating opening 31c of the upper rail 30.
Since it is locked to the edge portion 31d of the above, there is no problem of the sweeper 50 rolling, and the positional deviation of the sweeper 50 does not occur in all azimuth directions.

Therefore, when the upper rail 30 is slid along the longitudinal direction of the lower rail 20, the sweeper 50 does not rattle, and there is a risk that the sweeper 50 will fall off even if a sudden sliding operation is performed. Not at all. Further, at the time of attaching the sweeper 50, the hook 53a at the tip of the lower flange 53 is attached to the roller accommodation opening 31.
Since it engages with the c-edge portion 31d in a click manner, there is an advantage that work confirmation can be performed easily.

By the way, in the present embodiment, the sweepers 50 are attached to both the front and rear ends of the upper rail 30, but the sweepers 50 may be attached only to one side of the front side or the rear side of the upper rail 30. You can also The present invention is not limited to the structure of the above-described embodiment, and the shape, structure, etc. of each part of the seat slide device 10 and the sweeper 50 can be appropriately modified or changed as necessary, and each rail can be freely changed. Various modifications such as the shape and material of the sweeper and the sweeper are included in the scope of the present invention.

[0032]

The above is the embodiment of the mounting structure of the sweeper in the seat slide device according to the present invention.
According to the sweeper mounting structure in the seat slide device of the first aspect of the present invention, the upper and lower flanges extending in the perpendicular direction from the plate surface of the sweeper plate extending along the width direction of the lower rail are projected, and the upper and lower flanges are provided. The side flanges sandwich the bottom wall of the upper rail body from the top and bottom sides, so there is no risk of the sweeper shifting vertically with respect to the upper rail, and the sweeper extends upward from the upper edge of the sweeper plate. By sandwiching the upper rail from the left and right sides with the gripping part, and by fitting the embossed convex part to the mounting hole provided in the upper rail, the sweeper can be prevented from being displaced in the front-back and left-right directions with respect to the upper rail. Since it can be installed, the sweeper can be attached to
The effect is that position control is reliably performed in the left-right and up-down directions, there is no rattling at the time of slide operation, there is no risk of falling off even if a sudden slide operation is performed, and smooth slide operability can be expected. Have.

According to the sweeper mounting structure of the seat slide device of the second aspect of the present invention, if the upper and lower flanges are inserted into the bottom wall so as to sandwich the bottom wall of the upper rail body from above and below. , The hook provided at the tip of the lower flange engages with the edge of the roller accommodating opening in the bottom wall, so the lower side of the sweeper does not rotate around the embossed protrusion, ensuring the fall of the sweeper. Furthermore, when inserting the upper and lower flanges into the main body of the upper rail, the hook at the tip of the lower flange engages with the edge of the roller accommodating opening in the bottom wall, which provides a sense of moderation, This has the effect that the installation work can be easily confirmed.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a schematic configuration of a seat slide device to which a sweeper mounting structure according to the present invention is applied.

FIG. 2 is a perspective view showing a mounting structure of a sweeper according to the present invention.

FIG. 3 is a perspective view of a sweeper according to the present invention.

FIG. 4 is a side view of the sweeper according to the present invention.

FIG. 5 is a front view of the sweeper according to the present invention.

FIG. 6 is a plan view of the sweeper according to the present invention.

FIG. 7 is a side view showing a mounting structure of the sweeper according to the present invention.

FIG. 8 is a view showing a mounting structure of the sweeper according to the present invention.
Sectional view along the line VIII-VIII.

FIG. 9 is a perspective view showing a seat slide device equipped with a conventional sweeper.

FIG. 10 is an explanatory view showing a conventional sweeper mounting structure.

FIG. 11 is a cross-sectional view showing a conventional sweeper mounting structure.

[Explanation of symbols]

10 Seat slide device 30 upper rails 31 Body 31b bottom wall 31c Roller housing opening 33 vertical wall 33a Mounting hole 40 slider 50 sweeper 51 sweeper plate 51a Lower rail contact part (sweep part) 52 Upper flange 53 Lower flange 53a hook 53b Reinforcing rib 54 clamping part 55 Clip 56 Embossed convex part

Claims (2)

[Claims] 1. A seat comprising a lower rail mounted along the front-back direction of a vehicle floor surface, and an upper rail which is slidably guided in the longitudinal direction on the lower rail and is fixedly mounted on the seat body side. In a structure for mounting a sweeper in a seat slide device, wherein a slide device is provided with a sweeper that sweeps out foreign matter accumulated inside the lower rail to at least one of the front and rear ends of the upper rail, the lower rail has a substantially upward U-shape. A main body and a pair of left and right flanges that extend inwardly from the front ends of both sides of the main body and that form an opening; and the upper rail is a substantially downward facing core that is housed in the main body of the lower rail. A main body having a character shape, extending upward from the center of the upper wall of the main body, and upward from the opening of the lower rail. The sweeper has a vertical wall that forms a mounting portion with the seat body side, and the sweeper extends left and right along the width direction of the lower rail and partially abuts the inner bottom surface of the lower rail to discharge foreign matter to the outside. Of the sweeper plate, the upper and lower side flanges protruding from the plate surface of the sweeper plate in the direction perpendicular to the plane, sandwiching the bottom wall of the upper rail main body from the upper and lower sides, and extending upward from the upper edge of the sweeper plate. , The upper rail vertical wall edge part is sandwiched from the left and right sides, and the upper and lower flanges sandwich the bottom wall of the upper rail body, and also the mounting holes formed in the vertical wall of the upper rail. By mounting the embossed convex part provided on the upper part, the position is regulated in the vertical direction, the front-back direction, and the left-right direction, and the sweeper is attached to the upper rail. Mounting structure of the sweeper in the seat slide device according to claim. 2. A hook is formed at a tip of a lower flange of the sweeper, and when the bottom wall of the upper rail main body is sandwiched by the upper and lower flanges, the hook is provided at an edge of a roller accommodating opening provided in the bottom wall. The mounting structure for the sweeper in the seat slide device according to claim 1, wherein the sweeper is locked and the falling of the sweeper is restricted.