JP2006315531A - Sliding type automobile seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sliding type automobile seat equipped with a rod lever for pull-up operation capable of preventing the loaded object from being damaged or deformed certainly even if the object makes abutting while the constitution remains simple. <P>SOLUTION: The rod lever 1 for pull-up operation is structured so that the center shaft part is bent approximately in a U-shape, the left and the right shaft part is bent straight outward, and supporting shaft pins 1d are provided in the extending direction from the shaft ends of the left and right shaft parts, in which coil parts are fitted on the axes of the supporting shaft pins 1d, and a coil spring 16 whose one spring end is engaged by the pin 1d on the side with the rod lever while the other spring end is fastened by the plate surface on the lock plate side 2, is installed for biasing in heaving the rod lever 1, and further a stopper piece 15 to engage from above with the plate surface on the lock plate side 2 is installed in such a way as overhung from the pin 1d on the lock lever side, and the lod lever 1 is arranged displaceable by the coil spring 16 downward from the lock plate side 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a slide type automobile seat in which a seat body is installed so as to be movable in the front-rear direction of a vehicle with a slide rail.

  The sliding seat for automobiles has a slide rail consisting of left and right upper rails attached to the lower side of the cushion frame and left and right lower rails attached to the floor of the vehicle body with stand legs, and the upper rail can be slid with the lower rails Therefore, the seat body can be moved in the front-rear direction in the vehicle.

  A slide lock is provided on the slide rail. This slide lock is assembled by including a lock plate disposed on a side portion of each upper rail, and a rod lever for pulling operation mounted between the lock plates.

  The lock plate is positioned along the front-rear direction of each upper rail, and can be swung around the support shaft by pivoting on the support shaft that is inserted and fixed to the plate surface of the slide base at the middle of the longitudinal direction. Is attached to. Moreover, it is attached so that the rear end side is always biased upward by a coil spring.

  The locking plate is provided with a latching piece having a plurality of receiving holes formed on the plate surface so as to protrude laterally from the lower end edge. For this lock plate, the lower rail is provided with a plurality of projecting teeth meshing with the receiving holes of the latching pieces by notching the lower end side of the flange portion inwardly bent in an inverted U shape into an uneven shape.

  As a rod lever for pulling operation, a pipe member bent in a substantially U-shaped plane is provided. Since the rod lever is flatly crushed at the rear end of each shaft and fixed to the front end of the lock plate by welding, the rod lever is integrally mounted between the lock plates so as to project forward at the lower part of the seat cushion. .

  In the car seat, the upper rail is normally locked to the lower rail by the lock plate at normal times, and the left and right lock plates and the rod lever that is fixed to the rigid are provided so that the luggage is placed on the vehicle body floor. If the bag is accidentally applied to the rod lever, the load may be damaged or deformed from the point where the rod lever does not move.

  To prevent this, the rod lever's flat rear end is connected to the front side of the lock plate by a support shaft and the rod lever is locked together with the lock plate when the rod lever is pulled up. Is bent from the upper edge of the lock plate to the side, and the coil is fitted on the axis of the support shaft, one spring end is hooked to the lock plate, and the other spring end is hooked to the rod lever. Since a wire spring that lifts and biases the lever is assembled, it has been proposed to provide a rod lever that can be displaced by a spring below the lock plate (Patent Document 1).

Since the wire spring needs to lift and bias the rod lever, the spring end on the rod lever side is long and extends forward in the longitudinal direction of the rod lever. Folded so as to hang over to the side.
JP 2004-51082 A

  SUMMARY OF THE INVENTION An object of the present invention is to provide a sliding automobile seat with a pulling-up rod lever that can reliably prevent a load from being damaged or deformed even if the load hits, with a simple structure.

According to claim 1 of the present application, the central shaft portion is bent in a substantially U shape projecting forward, the left and right shaft portions are bent in a straight line outward from both ends of the central shaft portion, and the support pin is moved to the left and right. With a rod lever for pulling operation provided in the extending direction from each shaft end of the shaft part,
The coil part is fitted on the axis of the support pin, the one spring end is locked by the support pin on the rod lever side, and the other spring end is locked by the plate surface on the lock plate side. Mounted for biasing, and further provided with a stopper piece that engages from the plate surface on the lock plate side and the upper side, protruding from the support pin on the rod lever side,
The rod lever can be displaced downward from the lock plate side by a coil spring, and can be pulled up by engagement with a stopper piece in the release direction on the lock plate side.

  According to the slide type automobile seat according to the present application, the rod lever pivot shaft is pivotally supported on the plate surface on the lock plate side so that the rod lever is swingably mounted, and the coil portion is mounted on the pivot pin. A coil spring fitted on the axis, with one spring end locked with a pivot pin on the rod lever side, and the other spring end locked with a plate surface on the lock plate side, is mounted for lifting the rod lever. The rod lever is pivotally supported by the support pin on the plate surface on the lock plate side, and the rod lever is lifted and biased by the coil spring attached to the support pin. Therefore, the rod lever has a simple structure as a whole, including a short coil spring. It is provided so that it can be displaced below the lock plate.

  The illustrated embodiment mainly shows a rod lever 1 for pulling operation, which is a characteristic part of the present invention. As shown in FIG. 1, the rod lever 1 is configured so that it can be connected and attached to the lock plate 3 by a lever bracket 2 (however, it is included in the term “lock plate side”).

  As shown in FIG. 2, the rod lever 1 is bent in a substantially U shape projecting forward with the central shaft portion 1a as a gripping portion, and the left and right shaft portions 1b and 1c are outward from both ends of the shaft of the central shaft portion 1a. The entire lever is formed of a pipe member. The rod lever 1 is fitted and fixed with support shaft pins 1d and 1e protruding in the extending direction from the shaft ends of the left and right shaft portions 1b and 1c.

  The spindle pins 1d and 1e are a press-fit shaft portion 10 which is fitted and fixed within a diameter from the shaft end of the rod lever 1, a main shaft portion 11 which is inserted into a rising flange of a lever bracket which will be described later, and a push nut or an E ring which will be described later. And a projecting end shaft portion 52 for fitting and fixing. In the approximate center of the shaft, an overhang bar 13 is provided which is brought into contact with the shaft end of the rod lever 1 and welded and fixed together. The projecting end shaft portion 12 is provided with a split groove 14 that cuts one end of a coil spring, which will be described later, from the shaft end surface.

  A stopper 15 is provided on the support shafts 1d and 1e so as to lock a rising flange of the lever bracket 2 described later from the upper side. The stopper 15 is formed by a ring portion 15a that is fitted and fixed on the axis of the main shaft portion 11, and an overhang portion 15b that protrudes laterally from the upper peripheral edge of the ring portion 15a.

  As shown in FIG. 3 (only one side is shown), the lever bracket 2 is attached to both ends of the rod lever 1 so as to face the lock plate 3 (see FIG. 1).

  The lever bracket 2 is formed so as to be bent in a downward gradient from the base end side 2a through which the support shaft 1d of the rod lever 1 is inserted and to have a substantially reverse side shape reaching the distal end side 2b. Further, it is formed to have a left and right rising flanges 2c, 2d so as to exhibit a substantially U-shaped cross section upward. As shown in FIG. 4, the rising flange 2d is provided with an engagement edge 2e for receiving the overhanging portion 15b of the stopper 15 by cutting out the upper peripheral edge of the base end side 2a into a concave shape.

  The rod lever 1 is assembled and mounted with a coil spring 16 that urges the entire lever in the jumping direction and presses the protruding portion 15b of the stopper 15 against one edge of the engaging edge 2e provided on the base 2a of the lever bracket 2. For this reason, the lever bracket 2 can be displaced downward and can be pulled up so as to unlock the lock plate 3.

  As shown in FIG. 5, the coil spring 16 is fitted into the support shaft portion 11 of the support shaft 1d through which the coil portion 16a is inserted into the rising flanges 2c and 2e of the lever bracket 2, and the one spring end 16b is split into the support pin 1d. Since the other spring end 16c is inserted into and locked in the spring receiving cylinder 2f formed by extruding the bottom end of the lever bracket 2 (see FIGS. 3 and 4). It is mounted between the bracket 2. The support shaft 1d is supported by a rising flange 2c of the lever bracket 2 by a push nut or E-ring 16 fitted to the protruding shaft portion 12.

  In the rod lever 1 configured as described above, the entire lever is coil spring 16 until the protruding portion 15b of the stopper 15 is pressed against the other edge of the engagement edge 2e provided on the base 2a of the lever bracket 2 as shown in FIG. Therefore, even if the baggage hits, the baggage can be reliably prevented from being damaged or deformed.

  The rod lever 1 is configured so that the left and right lock plates 3 can be easily assembled and attached individually to the upper rails of the slide rails individually by the lever bracket 2. At the distal end side of the lever bracket 2, the lock plate protrudes toward the relative side between the lower joint 4 extending to the lock plate 3 and engaging the distal end portion with the lock plate, and the proximal end portion of the lower joint 4. 3 is attached to the upper joint 5.

  The lower joint 4 is formed to be rigid because the plate surface is bent into a substantially inverted U shape in cross section. The lower joint 4 has a base 4a welded and fixed inside the lever bracket 2 on the inner side, a longitudinal portion 4b extending outward from the base 4a is stepped down below the tip of the lever bracket 2, and the tip 4c is It is attached so that it may step up above 4a and extend in the horizontal direction.

  The upper joint 5 is formed so as to be rigid because the plate surface is bent into a substantially U-shaped cross section. The upper joint 5 is fixed by welding the base portion 5a to the base portion 4a of the lower joint 4, and a predetermined gap G is separated between the projecting piece portion 5b extending from the base portion 5a and the base portion of the lower joint 4. Attached. The tip 5c is bent so as to rise upward. A rectangular hole 5d is provided on the bottom surface of the projecting piece 5b on the side close to the tip 5c.

  In contrast to the rod lever 1 having the above-described parts 2, 4 and 5, the lock plate 3 has a receiving piece 3a for receiving the tip side 4c of the lower joint 4 and a base side of the lower joint 4 as shown in FIG. Is provided on the lower side with a pressing piece 3b for pressing the inner side of the gap G facing the upper joint 5. The receiving piece 3 a and the pressing piece 3 b are formed in a substantially U-shape extending over the lower end edges of the opposite side sides of the lock plate 3.

  For the receiving piece 3a and the holding piece 3b, the lock plate 3 has a pushing spring portion 6a for pressing the leading end side of the lower joint 4 on the receiving piece 3a so as to be sandwiched between the receiving piece 3a and the receiving spring 3a. A leaf spring 6 having a hook spring portion 6b that pushes the upper joint 8 inside the gap G facing the lower joint 7 and presses the presser piece 3b against the base side of the lower joint 4 is attached.

  The pushing spring portion 6a and the hooking spring portion 6b are provided by being bent in the horizontal direction from the lower side of the leaf spring 6. The hook spring portion 6b is provided with an inverted claw 6c by bending the plate surface into an inverted V shape. The entire spring is held on the same axis as a bearing pin 7b that supports the spring holder 7a of the return spring 7 in a swingable manner. The return spring 7 biases the lock plate 3 in the locking direction, and the spring holder 7a is attached and fixed to the return spring 7 by a caulking shaft 7c.

  The rod lever 1 configured as described above is attached by mounting the left and right lock plates 3 individually on the upper rails of the slide rails individually and then mounting the lock plates 3 on the lock plate 3 by one-touch mounting.

  The rod lever 5 is fitted to the inner side of the receiving piece 3 a of the tip 4 c of the lower joint 4 attached to the lever brackets 2 on both sides, and the presser piece 3 b is relative to the base side of the lower joint 4 and the upper joint 5. Apply to the base side of the lower joint 4 inside the gap G. At the same time, the front end side 4c of the lower joint 4 is pressed against the receiving piece 3a by the pushing spring portion 6a so that the front end side 4c of the lower joint 4 is sandwiched between the receiving piece 3a and the upper joint 5 is connected to the lower joint 4 The one-touch mounting can be easily performed by pushing up the holding piece 3b on the base side of the lower joint 4 by pushing it up with the hooking spring portion 6b inside the opposing gap G.

  Since the rod lever 1 can be easily attached by one-touch after retrofitting, the left and right lock plates 3 can be easily assembled and attached individually to the upper rails of the slide rail, and the entire lock can be assembled quickly.

  In addition to the elastic mounting by the leaf spring 6, by engaging the punched hole 5d provided on the plate surface near the tip of the upper joint 5 and the inverted claw 6c provided on the plate surface of the hook spring portion 6b, The rod lever 1 can be retrofitted more securely so that it does not come off the lock plate 3.

  In the above-described embodiment, the rod lever 1 is mounted on the lock plate 3 with the lever bracket 2 with one touch. However, the rod lever 1 is mounted directly on the plate surface of the lock plate 3 with the support pins 1d and 1e. Applicable to the case.

It is a side view which shows the rod lever with which the sliding type vehicle seat which concerns on this invention is equipped is assembled | attached to a lever bracket (lock plate side). It is a top view which shows the rod lever of FIG. It is a top view which shows the rod lever of FIG. 1 by the one side part. It is sectional drawing which shows the rod lever of FIG. 1 by the AA line of FIG. FIG. 2 is a partial cross-sectional view showing the rod lever of FIG. 1 assembled to a lock plate. It is explanatory drawing which displaces and shows the rod lever of FIG. 1 below. FIG. 2 is an enlarged side view showing the rod lever of FIG. 1 assembled to a lock plate.

Explanation of symbols

1 Rod lever 1a Rod shaft central shaft 1b, 1c Rod lever left and right shaft 1d, 1e Rod lever support pin 15 Stopper piece 16 Coil spring 16a Coil spring coil 16b, 16c Coil spring end 2 Lever bracket (lock Plate side)
2e Engagement edge 3 Lock plate

Claims (1)

Equipped with slide rails that slidably support the left and right upper rails attached to the lower side of the seat cushion with the left and right lower rails attached to the floor of the car body, and the lock plate that locks the upper rail to the lower rail is attached to the upper rail At the same time, in the sliding vehicle seat in which a rod lever for lifting operation that releases the lock plate from the lower rail is mounted between the front sides of the lock plate,
Bending the central shaft part into a substantially U-shape projecting forward, bending the left and right shaft parts in a straight line outward from both axial ends of the central shaft part, and supporting pin from each axial end of the left and right shaft parts It has a rod lever for pulling operation provided in the extension direction,
The coil part is fitted on the axis of the support pin, the one spring end is locked on the shaft end side of the support pin, and the other spring end is locked on the plate surface on the lock plate side. Installed for biasing, and further provided with a stopper piece that engages from the plate surface on the lock plate side and the upper side, protruding from the axis of the support pin,
A sliding automobile seat characterized in that the rod lever can be displaced downward from the lock plate side by a coil spring and can be pulled up by engagement with a stopper piece in the release direction on the lock plate side.

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