JP3530087B2 - Locking mechanism used for seat tracks - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock mechanism used for a seat track. 2. Description of the Related Art A seat track used for an automobile seat is composed of a combination of a slide mechanism for slidably engaging a movable rail with a fixed rail and a lock mechanism for fixing the movable rail to the fixed rail. General.
Also, since the operating lever of the lock mechanism is made on a towel bar or straight bar,
The bar is exposed under the front of the seat cushion, making it unsightly. On the other hand, the straight bar is limited because the hem of clothes is easily caught and the grip is narrow. SUMMARY OF THE INVENTION An object of the present invention is to use a seat track which can secure an operation stroke, improve operability, and improve the appearance under a front portion of a seat cushion. To provide a locking mechanism. [0004] Means corresponding to the object and its operation
An operation lever is formed on an elongated, generally flat decorative cover that substantially covers under a front portion of the seat cushion.
The cushion extends in the left-right direction just below its front part, is swingably supported in the front part on the front part of the seat cushion in the front-rear direction, is connected to a slide lock by a cable, and An operating stroke can be secured on the operating lever in the space between the cushion and the floor, and the operating lever can be operated in the entire left and right direction under the front of the seat cushion, and the operating lever Covers substantially under the front of the seat cushion and hides the space between the seat cushion and the floor, and enhances the appearance of the seat. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lock mechanism used in a seat track according to the present invention will be described below with reference to a specific embodiment shown in FIGS. 1 to 4. FIGS. Illustrated is embodiment 10 of the locking mechanism used in the seat track of the present invention as utilized in the seat track 30 for supporting and movably supporting the front seat 60 back and forth on the front seat 70, and its locking. Mechanism 1
Reference numeral 0 denotes a front floor bracket 50 and a rear floor bracket 51 having a substantially I-shaped cross section in a state where the opening 37 of the groove 36 is downward, and the front and rear ends of the floor
Left and right long cross-sectional groove-shaped fixing rails 32, 32 fixedly attached to the corresponding long fixed rails, with the opening 67 of the groove 46 being fitted to the outside of the corresponding long fixed rails 32, 32. 32, short right and left grooved movable rails 3 slidably engaged with each other
Slide mechanism 3 assembled from 3 and 33
It is combined with 1. In the slide mechanism 31, the long fixed rail 32 is provided on the surface of the top wall 34 with the left and right head ribs 3.
8 and 38 are provided on the surfaces of the side walls 35 and 35 by the guide ribs 3.
9 and 39 are respectively protruded and drawn out of aluminum into a cross-sectional groove shape.
3 projects left and right ribs 48, 48 on the back surface of the top wall 44, and ribs on the back surface of the lip side walls 45, 45.
The guide grooves 49, 49 are opened and the aluminum is drawn from aluminum into a cross-sectional groove shape. More specifically, the long fixed rail 3
A pin hole 4 is formed by making a pair of cuts 40, 40 in the front end portion and the rear end portion of the side walls 35, 35 respectively.
1, 41 and the cuts 40, 40 and 40, 40 have the top 52, 52 of the front floor bracket 50 and the rear floor bracket 51.
And 52, 52, and the pin hole 4
Pins 43, 43 and 4 on 1, 41 and 41, 41
Then, the front floor bracket 50 and the rear floor bracket 51 are attached by hitting the holes 3 and 43. The long fixed rail 32 has an operation window 42 opened at the top wall 34 at a substantially intermediate position in the length direction, the slide lock 11 of the lock mechanism 10 is fitted into the operation window 42, and a pair of The slide lock 11 is held on the top wall 34 by the plates 55, 55, and the slide lock 11 is hooked on and removed from a row of small holes (not shown) of the lock mechanism 10 formed in the short movable rail 33. Making it possible. On the other hand, the short movable rail 33 is drawn on the outer side of the long fixed rail 32, and is drawn into a cross-sectional shape and dimensions which are slidably engaged with the long fixed rail 32, and front·
The sheet 60 is supported. Of course, the short movable rail 3
The front 3,3 extends forward beyond the rail ends of its long fixed rails 32,32 as shown in FIG.
When pulled out in the overhung state of the morse, the stoppers (not shown) prevent the long fixed rails 32 from coming off. In the lock mechanism 10, the operation lever 15
Is the seat cushion 6 of the front seat 60
1 is formed in an elongated flat decorative cover almost covering the lower part of the front part 64, and extends in the left-right direction just below the front part 64 of the seat cushion 61 and at the upper part thereof, the front part of the seat cushion 61. 64 is pivotally supported in the front-rear direction, and is connected to the slide lock 11 by a cable 14, and the slide lock 11 is normally guided by the cam plate 12 by the lock spring 13. When the operating lever 15 is operated by being engaged with the row of small holes of the movable rail 33, the cam plate 12 is opposed to the lock spring 13 by the operating force transmitted through the cable 14.
And the short movable rail 33 is removed from the row of small holes. Here, the slide lock 1
1 has a toothed stopper and pushes the cable 14
Each pull cable is used. More specifically, in the lock mechanism 10, the toothed stopper 11 has a pin 16 provided in a guide hole 17 for providing a cam surface of the cam plate 31.
The lock spring 13
Are mounted on the long fixed rails 32, respectively, in a locked state in which the pins 16 are pressed against the guide holes 17 and the toothed stoppers 11 are engaged with the row of small holes. The right and left brackets 2 are welded to the cushion pan 65 at the front portion 64 of the seat cushion 61 and project downward from the cushion pan 65 as shown in FIG.
3 and 23 are pivotally supported by pins 24 and 24 and are connected to the toothed stopper 11 by the push-pull cable 14. The push-pull cable 14 is assembled with an outer cable 18 and an inner cable 19, and connects the operating lever 15 to the toothed stopper 11 with the inner cable 19. Specifically, the outer cable 18 securely fastens the front end to the cushion pan 65 with the cable end bracket 20 and the retaining eye 22 and the separate eye 22 of another cable end bracket 21. The rear end is fixedly fixed to the retaining eye 54 of the front floor bracket 50,
The inner cable 19 is connected to the operating lever 15 at the front end and to the toothed stopper 1 at the rear end.
1 is connected to each of its pins 16. In the front seat 60, 62
Is the seat back, 63 is the head restraint, 6
6 is a pad, 67 is a trim cover, 68 is a left finisher, and 69 is a right finisher. Therefore, in the lock mechanism 10, the operation stroke of the operation lever 15 is ensured by the space between the seat cushion 61 and the floor 70, and the operation lever 15 is elongated and substantially flat. There, and made in the elongated generally flat decorative cover that substantially covers under the front portion 64 of the seat cushion 61, all of the left and right directions under the seat cushion 61 its front portion 64 And the operability is improved, and furthermore, the operating lever 15 is connected to the front portion 64 of the seat cushion 61.
Underneath to hide the space between the seat cushion 61 and the floor 70 and enhance the appearance of the front seat 60. The seat truck 30 is assembled as follows, and the front seat 60 is mounted on the floor 70 of the passenger car. The long fixed rails 32, 32 are previously provided with the toothed stopper 11, the cam plate 12,
Lock spring 13, push-pull cable 1
4. Another cable end bracket 21 or the like is assembled, and a resin sleeve with a slit (not shown) is fitted to the guide ribs 39, 39, and
The front floor brackets 50, 50 and the rear floor brackets 51, 51 are attached.
The short movable rails 33, 33 are then slidably engaged with the long fixed rails 32, 32 over the long fixed rails 32, 32, and assembled to the seat track 30. Can be Next, the seat track 30 is inserted into the rail grooves 71 of the floor 70 and the bottoms 53, 53 and 53 of the front floor brackets 50, 50 and the rear floor brackets 51, 51. 53
Is fixed to the floor 70 with screws. Then, the front seat 60 is mounted on the short movable rails 33, 33. The seat track 30 then adjustably supports the front seat 60 back and forth, and, if necessary, forwardly overhangs the front mast over the rail ends of the long fixed rails 32,32. In this state, the short movable rails 33, 33 are pulled out so that the front seat 60 can be overhanged, and further, the short movable rails 33, 33 can be moved backward to the rail ends of the long fixed rails 32, 32. I do. As such, the seat track 30
Is slid while keeping the short movable rails 33, 33 always engaged with the long fixed rails 32, 32 without the rollers.
The short movable rails 33, 33 can be pulled out in an overhang state forward beyond the end.
The short movable rail 3 in the overhang state of the morse
3, 33 can be pulled out and seated on the front seat 60 in that state. In addition, in this way, the seat truck 30 can move the front seat 60 in the overhung state of the front mast, and can have a wide relaxing space in the vehicle interior. This sheet
When the truck 30 is used for a rear seat, the seat truck 30 moves the short movable rails 33, 33 to the rail ends of the long fixed rails 32, 32, and also creates a relaxing space in the vehicle interior. Widely available. Furthermore, the seat track 30 is free of foreign matter on its long fixed rails 32, 32, and its cover is omitted from the long fixed rails 32, 32. As will be apparent from the specific embodiments of the present invention described above with reference to the drawings, one skilled in the art to which the present invention pertains will appreciate the subject matter of the present invention. Is the nature of the invention (na
), and are readily embodied in other aspects that are objectively perceived as inherent in them. Of course, the contents of the present invention correspond to the subject of the invention (be commensu).
rate with) and essential for the invention. As will be understood from the above description, the locking mechanism used in the seat track of the present invention is an elongated, substantially flat decorative cosmetic in which the operating lever almost covers under the front of the seat cushion. It is formed on the cover, extends right and left just below its front part of the seat cushion, and is swingably supported on the front part of the seat cushion at its upper part in the front-rear direction, and is connected to the slide lock by a cable. In the locking mechanism used in the seat track of the present invention, the operating stroke of the operating lever is ensured by the space between the seat cushion and the floor, and the operating lever is -Operable in all directions in the left and right direction under the front part of the cushion to improve operability. The underside of the front of the seat cushion is substantially covered, concealing the space between the seat cushion and the floor, and with it, the seat is improved in appearance, so that passenger cars, wagons Very useful and practical for recreational vehicles and the like.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a front seat mounted on the floor of a passenger car with a seat truck utilizing a specific example of a lock mechanism used for the seat truck of the present invention. FIG. 2 is a sectional view taken along line 2-2 of FIG. 1; FIG. 3 is an exploded perspective view partially showing a lock mechanism in relation to a long fixed rail. FIG. 4 is a sectional view taken along line 4-4 in FIG. 1; [Description of Signs] 10 Lock mechanism 11 Slide lock / toothed stopper 12 Cam plate 13 Lock spring 14 Cable / push-pull cable 15 Operating lever 30 Seat track 32 Long fixed rail 33 Short movable rail 50 Front Floor bracket 51 Rear floor bracket 60 Front seat 61 Seat cushion 64 Front 65 Cushion pan

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60N 2/08

Claims (1)

(57) [Claims] [Claim 1] The operation lever is seat cushion at the upper part.
Between the left and right sides of the seat track
Almost under the front of the seat cushion
An elongated substantially flat decorative cover covering, its extends in the lateral direction immediately below the front portion of the seat cushion
Swing in the front and rear direction at the front of the seat cushion
It is, and, communicating the slide lock in the lower cable
And lock the slide lock by rotating the lower end forward.
Lock mechanism that is used in the seat track of Rutokoro.