JPH0122745Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a locking device for a seat sliding device for sliding the seat of an automobile.

"Background Art and its Problems" An automobile seat slide device has a sliding rail fixed to the seat slidably fitted onto a fixed rail fixed to the vehicle floor in the longitudinal direction. The locking device that fixes the seat at any position in the longitudinal direction includes a row of locking teeth in the front and back direction provided on the fixed rail side, a locking member provided on the sliding rail side that engages and disengages from this row of locking teeth, and It consists of an operating handle.

By the way, in conventional locking devices, from the viewpoint of effectively utilizing the space under the seat, the locking tooth row is often provided facing inward, so that the locking mechanism including the locking member is located on the underside of the seat. An operating handle for operating this locking member is located at the front lower part of the seat. However, the operating handle located at the bottom of the front of the seat poses a problem in terms of operability as the user must bend over to operate it, and rear seat passengers also have trouble putting their feet under the front seat. In this case, this locking mechanism sometimes got in the way. Furthermore, with this conventional device, the space under the seat cannot be used for other purposes.

"Purpose of the invention" In view of the problems of the conventional example, the present invention allows the operation handle to be located on the side of the seat.
Moreover, it is an object of the present invention to provide a locking device that can open the bottom surface of the seat. Another object of the present invention is to provide a locking device that has a simple structure and can provide a high locking force.

``Summary of the invention'' The present invention has a locking tooth row provided on the fixed rail that faces downwards, and a locking member that has a simple rectangular or U-shaped shape that surrounds the seat track. It is constructed from a single member, and is provided with an operating handle located on the side of the slide rail integrally with the lock member.

In other words, the rectangular or U-shaped lock member is
a rotation center shaft located at the top of the sliding rail and perpendicular to its longitudinal direction; located at the side of the sliding rail;
A connecting shaft extending diagonally downward from the rotation center shaft; a lock extending downward from the lower end of the connecting shaft to below the fixed rail and engaging and disengaging with a locking tooth row provided downwards on the fixed rail; The rotation center shaft is rotatably supported on the upper surface of the sliding rail, and the operating handle is located approximately on the upper extension line of the connecting shaft of the lock member. positioned.

According to this configuration, a locking tooth row facing downward is provided on the fixed rail side, and the rotation center shaft of the rectangular or U-shaped lock member is supported on the sliding rail, and the lock member is connected. With a simple configuration in which the operating handle is provided approximately on the extension line of the shaft,
A locking mechanism can be configured with the bottom of the seat open.
Additionally, the operating handle can be located on the side of the seat.

``Embodiment of the invention'' As is well known, a pair of seat tracks 13, which are formed by fitting a lower rail 11 and an upper rail 12 so as to be slidable relative to each other, are arranged on the left and right sides between the vehicle floor surface 14 and the seat 15. is fixed to the vehicle floor surface 14 via the mounting legs 16, and the Atsupa rail 1
2 is fixed to the lower surface of the seat 15. 17 is a rolling roller inserted between the lower rail 11 and the upper rail 12, and 18 and 19 are a support frame of this rolling roller 17 and its rolling balls. The above sliding mechanism allows the seat 15 to slide back and forth with respect to the vehicle floor surface 14.

On the lower surface of the lower rail 11, there is a lock plate 21 of a lock device 20, which is a feature of the present invention.
is fixed in the front-back direction. This lock plate 21 is made of a channel material with a substantially U-shaped cross section, and is fixed to the lower rail 11 by welding or other means with a pair of legs 22 facing downward, and is fixed to the lower rail 11 by welding or other means. A continuous locking tooth row 23 is formed respectively.

On the other hand, a lock lever bracket 25 is fixed to a suitable position on the upper surface of the upper rail 12 by welding or other means, and a rotation center shaft portion 27 of the upper portion of a lock member 26 is rotatably supported by the lock lever bracket 25. The locking member 26 is made of a round bar, and is formed into a substantially rectangular shape surrounding the seat track 13. Its lower part is a locking shaft part 28 that connects to the locking tooth row 23, and the side part is a locking shaft part 28 that connects to the rotation center shaft part 27. It constitutes a connecting shaft portion 29 that connects the shaft portions 28. When viewed from the side, the connecting shaft portion 29 of the locking member 26 is inclined diagonally downward from the rotational center shaft portion 27 side to the engaging/disengaging portion 28 side, and the connecting shaft portion 29 of the locking member 26 is tilted diagonally downward from the rotational center shaft portion 27 side to the engaging/disengaging portion 28 side. When the lock shaft part 2
8 is engaged and disengaged from the locking tooth row 23. This locking member 26 is connected to a spring hook 3 provided on the connecting shaft portion 29.
0 and a spring hook 31 provided on the lock lever bracket 25,
The lock shaft portion 28 is biased in the direction of engagement with the locking tooth row 23. The teeth of the locking tooth row 23 are configured in an arc shape centered on the rotation center shaft portion 27 or in an inclined linear shape close to this arc so that the lock shaft portion 28 of the lock member 26 can be engaged and disengaged without play. is preferable.

The operating handle 33 is fixed to the connecting shaft 29 of the locking member 26 by welding or other means.
The operating handle 3 is extended on the side of the seat track 13 to a position where it does not interfere with the seat 15.
3, the lock member 26 rotates around the rotation center shaft portion 27.

Therefore, in the present locking device having the above structure, when the locking shaft portion 28 of the locking member 26 is removed from the locking tooth row 23 by pulling the operating handle 33, the seat track 13 is released. The seat 15 can be slid back and forth to adjust its position, and after adjustment, if the operating handle 33 is released,
Since the lock shaft portion 28 engages with any tooth of the locking tooth row 23 by the force of the tension spring 32, it can be locked in that position again.

This locking device has a locking tooth row 23 facing downward, and a locking member 2 that engages and disengages from the locking tooth row 23.
6 is supported by the upper rail 12, the space under the seat 15 is opened, so the feet of the rear seat occupant do not hit the locking mechanism, and in some cases, the space under the seat 15 may be left open. It can be used for the purpose of Also, the operation handle 3
3 is the side of the seat track 13, that is, the seat 1
Since it is located on the side of 5, it can be operated without particularly bending down, and good operability can be obtained.

FIG. 4 shows another example of the shape of the lock plate 21 and the lock member 26. This example is
The cross-sectional shape of the lock plate 21 is approximately L-shaped, and therefore, a locking tooth row 23 is formed only on one leg portion 22. Further, the lock member 26 has a substantially U-shape with one connecting shaft portion 29 removed.
The overall structure is simpler and weight is reduced. This embodiment also provides the same effects as the first embodiment.

In the above embodiment, the locking tooth row 23 is connected to the lower rail 1.
Although the lower rail 11 is provided on a lock plate 21 made of a separate member, it goes without saying that the lower rail 11 may have a special shape and the locking teeth 23 may be directly formed thereon. Furthermore, although the lower rail 11 and the upper rail 12 are illustrated as fixed rails and sliding rails, their shapes can be changed in various ways, and the present invention is not limited to these shapes.

``Effects of the Invention'' As described above, the locking device of the seat slide device of the present invention has the locking tooth row provided on the fixed rail facing downward, and the locking member is formed in a rectangular or U-shape so that it can move around the seat track. The connecting shaft portion of the lock member located on the side of the seat track is inclined diagonally downward, and the operating handle is provided approximately on the upper extension line. They can be easily gathered around the seat, thereby freeing up space under the seat, and the operating handle can be located on the side of the seat and unlocked by lifting it, providing good operability.

[Brief explanation of the drawing]

Fig. 1 is a side view showing an embodiment of the locking device for a seat slide device according to the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a perspective view of the main parts, and Fig. 4. 2 is a sectional view similar to FIG. 2 showing another embodiment of the present invention. 11... Lower rail (fixed rail), 12...
Atsupa rail (sliding rail), 14...Vehicle floor surface,
15... Sheet, 21... Lock plate, 23
... Locking tooth row, 26 ... Lock member, 27 ... Rotation center shaft section, 28 ... Lock shaft section, 29 ... Connection shaft section, 32 ... Tension spring, 33 ... Operation handle.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A fixed rail that is fixed to the vehicle floor in the longitudinal direction; a sliding rail that is slidably fitted to this fixed rail and fixed to the seat; and the above-mentioned fixed rail. A locking tooth row that is integrally provided on the rail and continuous in the front and back direction; A lock member that can be engaged with and detached from the locking tooth row and supported on the sliding rail side; This lock member is connected to the locking tooth row. In a locking device for a seat slide device having an operating handle for engaging and disengaging, the locking tooth row is formed toward the bottom of the fixed rail, and the locking member is located at the top of the sliding rail and extends along its longitudinal direction. A rotational center shaft perpendicular to the direction; a connecting shaft located on the side of the sliding rail and extending diagonally downward from this rotational center shaft; and a connecting shaft extending from the lower end of the connecting shaft below the fixed rail. a lock shaft portion that extends and engages and disengages from the locking tooth row of the fixed rail; the rotation center shaft portion is rotatably supported on the upper surface of the sliding rail; A locking device for a seat slide device, wherein the operating handle is located substantially on an upper extension line of the connecting shaft portion of the locking member. (2) Utility Model Registration Claim 1 provides a locking device for a seat slide device, wherein the locking member has a rectangular shape surrounding a fixed rail and a sliding rail. (3) In claim 1 of the utility model registration claim, the locking member is a locking device for a seat slide device having a U-shape.