JPH0734762Y2 - Vehicle seat slide device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a vehicle seat slide device.

[0002]

2. Description of the Related Art Generally, a seat of an automobile can be secured by a seat slide device in accordance with the height of an occupant or the like.

An outline of the seat slide device is, for example, as shown in FIGS. 6 and 7, a lower rail 101 fixed to a vehicle body panel side, and engaging recesses 10 at equal intervals along the longitudinal direction.
3 is provided and is fixed to the seat side of the upper rail 10
5 is provided with an engaging convex portion 107 that engages with the engaging concave portion 103 in a disengageable manner.

The lower rail 101 and the upper rail 105 are assembled so as to be slidable forward and backward, and the engaging convex portion 107 is fixed to an operating lever shaft 111 having an operating portion 109, and an urging spring interposed in the operating lever shaft 111. 11
3, the structure is always biased toward the engagement recess 103 side.

[0005]

As described above, since the engaging convex portion 107 is constantly urged toward the engaging concave portion 103 side by the urging spring 113, the engaging concave portion 103 and the engaging convex portion 107 are formed. The engagement is released by holding the operation portion 109 and rotating the operation lever shaft 111 against the biasing spring 113 as shown by the arrow, but the operation lever shaft 111 is extended forward and backward. Since it has a shape that is long in the direction, the front end region on the side of the operation unit 109 is rotatably held by the lever holder 115 and is supported at both ends by the rear main bracket 117.

The lever holder 115 is the upper rail 105.
Holder body 119 fixed to the side, and the operation lever shaft 1
Since it is composed of a curl-shaped holding portion 121 for rotatably holding 11, the operation lever shaft 111 is fitted and inserted into the holding portion 121, but the fixing work to the upper rail 105 side is not required. It will be the last one.

That is, the wire bracket 123 is attached to the operation lever shaft 111 to which the lever holder 115 is attached in advance.
The main bracket 117 and the engaging convex portion 107 are attached in this order, the main bracket 117 is fixed to the upper rail 105 side, and finally the lever holder 115 is fixed to the upper rail 105, which is not desirable in terms of workability and workability. .

In view of this, it is an object of the present invention to provide a vehicle seat slide device which can be retrofitted with a lever holder to improve workability.

[0009]

In order to achieve the above object, in the present invention, the lower rail fixed to the vehicle body side and the upper rail fixed to the seat side are assembled so as to be movable relative to each other. On the lower rail side, an engaging portion is provided along the longitudinal direction, while on the upper rail side, it is fixed to an operation lever shaft whose front end side region is supported by a lever holder and can be disengaged from the engaging portion by a biasing spring. In a vehicle seat slide device provided with a meshing locking portion, the lever holder is rotated along the operation lever shaft so as to be orthogonal to the lever axis, and the operation lever is fixed when the lever holder is fixed to the upper rail side. Inner peripheral surface of shaft and below
The first holding member supporting the side outer peripheral surface and the outer side of the operation lever shaft
A second outer peripheral surface and a second holding member that supports the lower outer peripheral surface are provided.

[0010]

According to such a seat slide device, the holder main body can be fixed to the upper rail after being rotated along the operation lever shaft so as to be orthogonal to the lever axis line, so that the lever holder can be retrofitted. Become. At the same time, the operation lever shaft is surely supported by the first and second holding members.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described in detail below with reference to the drawings of FIGS.

In FIG. 1, reference numeral 1 is a lower rail, and 3 is an upper rail which is assembled to the lower rail 1 so as to be movable relative to each other. The lower rail 1 can be fixed to a floor panel on the vehicle body side via mounting brackets 5 and 5 provided at the front and rear.

The upper rail 3 is fixed to the seat cushion side (not shown) of the seat and is provided with an operating lever shaft 9 having an operating portion 7.

The operation lever shaft 9 is rotatably supported at both ends by a rear main bracket 11 fixed to the upper surface of the upper rail 3 and a front lever holder 13, and a locking portion 15 is provided. The locking portion 15 is welded to the operation lever shaft 9 at the position of the opening 17 which is formed in a hook shape having an engaging claw at the tip and in which the central portion of the main burret 11 is cut. Then, the urging spring 19 constantly urges the timepiece in the clockwise direction (arrow in FIG. 1).

One end of the biasing spring 19 is locked to the shaft end of the operating lever shaft 9, and the other end is locked to the main bracket 11.

The lever holder 13 includes a holder main body 21 fixed to the upper surface of the upper rail 3, a bracket portion 23 bent upward from the holder main body 21, and a holder main body 21.
First and second holding members 2 extending downward from both ends of the
5 and 25.

The first and second holding members 25, 25 are shown in FIG.
As shown in FIG. 4, when the holder main body 21 is located along the operation lever shaft 9, the holder main body 21 is positioned inside and outside the lever shaft 9 and is set so as to straddle the operation lever shaft 9, and the holder main body 21 is A vertical support portion 25a that comes into contact with the inner outer peripheral surface (left side of the drawing) and the outer outer peripheral surface (right side of the drawing) of the operating lever shaft 9 when rotated by approximately 90 degrees so as to be orthogonal to the lever axis W, as shown in FIG. , 25a
And horizontal supporting portions 25b and 25b which contact the lower outer peripheral surface (lower side in the drawing) of the operating lever shaft 9, and the horizontal supporting portion 25b is integrally formed inward from the vertical supporting portion 25a so as to face each other. It has a bent shape.

The bracket portion 23 is integrally formed with the holder main body 21 and has a mounting hole 29 for a bolt (not shown) that is screwed into a seat frame of the seat.

When the bracket portion 23 is omitted from the lever holder 13 as shown in FIG. 5, a seat bracket to be separately attached to the seat is provided.

On the other hand, the lower rail 1 is provided with window-hole-shaped engaging portions 33 which engage with the engaging portions 15 in a disengageable manner at substantially equal intervals in the longitudinal direction.

It is also possible to provide the engaging portion 15 having a concave and convex relationship on the lower rail 1 side and the engaging portion 33 on the upper rail 3 side, respectively.

According to the seat slide device constructed as described above, when the operation lever shaft 9 is assembled, after the main bracket 11 is fitted on the lever shaft 9, the locking portion 1 is inserted.
5 is welded to fix the main bracket 11 to the upper surface of the upper rail 3.

Next, the holder body 21 of the lever holder 13
3 is rotated in the direction of the arrow along the operation lever shaft 9 as shown in FIG. 3, the vertical support portion 25a and the horizontal support portion 25b come into contact with the inner, outer, and lower outer peripheral surfaces of the operation lever shaft 9. become. In this state, the lever holder 13 is fixed to the upper surface of the upper rail 3. As a result, the lever holder 13 can be retrofitted, and the front end side region of the operation lever shaft 9 has the first and second holding members 25, 25 as shown in FIG.
25 ensures that it is held.

On the other hand, when the operation lever 7 is held by rotating the operation lever shaft 9 in the counterclockwise direction (arrow in FIG. 1) at the completion of the assembly, the locking portion 15 is retracted from the engagement portion 33 to be in the unlocked state. Therefore, slide adjustment can be performed by sliding the seat, that is, the upper rail 3 back and forth. After the slide adjustment is completed, by releasing the hand from the operation portion 7, the locking portion 15 can be locked to be engaged with the engaging portion 33.

[0025]

As described above, according to the seat slide device of the present invention, since the lever holder can be retrofitted, the procedure follows the mounting sequence and the workability can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a seat slide device according to the present invention.

FIG. 2 is an enlarged cross-sectional view showing a supported state of an operation lever shaft.

FIG. 3 is an operation explanatory diagram.

FIG. 4 is an operation explanatory diagram.

FIG. 5 is a perspective view showing a modified example of the lever holder.

FIG. 6 is a perspective view similar to FIG. 1 showing a conventional example.

FIG. 7 is an exploded perspective view of an operation lever shaft and an upper rail showing a conventional example.

[Explanation of symbols]

 1 Lower Rail 3 Upper Rail 9 Operation Lever Shaft 15 Locking Part 19 Energizing Spring 21 Holder Body 25 First and Second Holding Members 33 Engaging Part W Lever Axis

Claims (1)

[Scope of utility model registration request] 1. A lower rail fixed to the vehicle body side and an upper rail fixed to the seat side are assembled so as to be movable relative to each other, and an engaging portion is provided on the lower rail side along the longitudinal direction, while on the upper rail side. In the vehicle seat slide device, which is fixed to the operation lever shaft whose front end side region is supported by the lever holder, and has a locking portion that engages with the engaging portion by an urging spring in a disengageable manner, in the lever holder, The holder body is rotated along the operation lever shaft so as to be orthogonal to the lever axis line, and when the holder body is fixed to the upper rail side, the inner and outer peripheral surfaces of the operation lever shaft are separated from each other.
A first holding member that supports the outer peripheral surface of the operating lever shaft
A vehicle seat slide device, comprising: a second holding member that supports a lower outer peripheral surface .