JPH11334430A - Seat adjusting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure the locking of an inner side locking piece. SOLUTION: A pair of left and right outer side and inner side sliding rails 1 and 3 respectively having a lower rail 5 attached to a car body side, an upper rail 6 attached to a seat side and an outer side locking piece 12 for fixing the upper rail 6 are provided, an operation lever 18 is provided in an outer rotary shaft 17, to which the outer side locking piece 12 of the outer side sliding rail 1 is attached, an operation transmitting member 19 is provided between the outer rotary shaft 17 and an inner rotary shaft 16, and an inner locking mechanism 20 for locking an inner side locking piece 13 even if the outer side locking piece 12 is half-locked is provided in the middle part of the operation transmitting member 19.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat adjusting device.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 1, a pair of left and right outer slide rails each having a lower rail a attached to a vehicle body side, an upper rail b attached to a seat side, and a lock piece for fixing the upper rail a. c and the inner slide rail d, the outer slide rail c and the inner slide rail d are provided with one of the outer rotation shaft g and the inner rotation shaft h to which the outer lock piece e and the inner lock piece f are attached, respectively. A configuration in which an operation lever i is provided and one rotation shaft provided with the operation lever i and the other rotation shaft are connected by a transmission member j is known.

[0003]

In the above-mentioned prior art, when the operating lever i is operated, the out-side lock piece e and the in-side lock piece f respectively become the out-side lock engagement hole and the in-side lock engagement hole. However, when the hand is released from the operation lever i and the out-side lock piece e half-locks with a foreign object, the transmission member j pulls the in-side lock piece f and does not lock. is there. In this case, an operation lever i may be provided on the in-rotation axis h of the in-side slide rail d in the related art, but there is another problem that it is difficult to perform an operation with the right hand. The present invention provides a seat adjustment device in which an in-side lock piece is securely locked.

[0004]

The object of the present invention is to secure the lock of the in-side lock piece and improve the operability.

[0005]

According to the present invention, a lower rail 5 attached to a vehicle body, an upper rail 6 attached to a seat, and an out-side lock piece 1 for fixing the upper rail 6 are provided.
A pair of left and right outer slide rails 1 and inner slide rails 3 each having an inner slide rail 2 are provided, and an operation lever 18 is provided on an outer rotary shaft 17 to which the outer lock piece 12 of the outer slide rail 1 is attached. Axis 1
An operation transmitting member 19 is provided between the rotary shaft 7 and the inner rotation shaft 16,
In the middle part of the operation transmission member 19, the out-side lock piece 1 is provided.
Reference numeral 2 denotes a seat adjustment device provided with an in-lock mechanism 20 for locking the in-side lock piece 13 even in the half lock. According to the present invention, the operation transmission member 19 includes an arm 21 provided on the out rotation shaft 17 by engaging a projection 23 at the other end of the in-side wire 22 having one end locked to the arm 21 of the in rotation shaft 16 with the case 24. The protrusion 26 of the out-side wire 25 whose one end is locked to the case 27 is engaged with the case 24. One of the in-side wire 22 and the out-side wire 25 is connected to the in-side lock piece 13 even if the out-side lock piece 12 is half-locked. Is formed as long as it locks, and the wire is pulled between the protrusion 23 of the longer inner wire 22 or the protrusion 26 of the outer wire 25 of the inner wire 22 or the outer wire 25 and the case 24. This is a seat adjusting device provided with a spring 30 acting to perform the above operation. According to the present invention, the operation transmitting member 19 includes:
A pair of arc-shaped moving pieces 40 are provided in the circular case 24 so as to be movable in the facing direction.
A spring 30 that urges each arc-shaped moving piece 40 so as to expand is provided between them, and an intermediate portion of a wire 43 inserted through the insertion hole 41 of the case 24 is rotated around each arc-shaped moving piece 40 and inserted. This is a seat adjustment device in which the wire 43 is pulled out of the hole 42 and one end of the wire 43 is engaged with the arm 21 provided on the in-rotation shaft 16 and the other end is engaged with the arm 27 provided on the out-rotation shaft 17. The present invention relates to the operation transmitting member 1 described above.
Reference numeral 9 denotes one end of the in-side rod 48 attached to the arm 21 provided on the in-rotation shaft 16, and the other end of the in-side rod 48 passes through the insertion hole 59 of the in-side block 56 and engages with the out-side block 49. The other end of the out-side rod 55 having one end attached to the arm 27 penetrates through the insertion hole 53 of the out-side block 49 so as to engage with the hole 50.
6, the intermediate portion of the in-side rod 48 is inserted into an insertion hole 59 formed by aligning a groove 58 provided in the in-side block 56, and the out-side block 49 and the in-side block 56 are inserted. This is a seat adjustment device provided with a spring 63 between them.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 2 and subsequent drawings show an embodiment of the present invention, wherein 1 is an out side slide rail located on the door 2 side of a pair of left and right slide rails, and 3 is a door. 2 is an in-side slide rail 3 located on the inside opposite to 2. The out-side slide rail 1 and the in-side slide rail 3 have a known configuration, and include a lower rail 5 attached to the vehicle body side and an upper rail 6 attached to the seat side. Each have a known locking device. Reference numeral 12 denotes an out-side lock piece that engages with a lock engagement hole provided in the out-side slide rail 1; 13 denotes an in-side lock piece that engages with a lock engagement hole provided in the in-side slide rail 3; An in-rotation shaft provided with the out-side lock piece 12 is an out-rotation shaft provided with the in-side lock piece 13.

An operation lever 18 is provided on the outer rotation shaft 17 and an operation transmission member 19 extending from the operation lever 18 to the in-side lock piece 13 is provided.
9 is provided with an in-lock mechanism 20 for locking the in-side lock piece 13 even when the out-side lock piece 12 is half-locked. The in-lock mechanism 20 is provided with a play in the middle of the operation transmitting member 19, so that even if the out-side lock piece 12 is half-locked, the operation transmitting member 19 is loosened by this play and the in-side lock piece 13 is locked. I have. That is,
One end of an in-side wire 22 is locked to the arm 21 of the in-rotation shaft 16, and a protrusion 23 is attached to the other end of the in-side wire 22.
Is provided. The projection 23 is engaged with one side of a rectangular parallelepiped case 24, and the other side of the case 24 is connected to an out-side wire 25.
Is engaged with an arm 27 provided on the out rotation shaft 17.

A spring 30 is provided between the in-side wire 22 or out-side wire 25 and the case 24 so as to pull the wire. The case 24 is configured so as to be fitted and fixed to each other by the one-side member 31 and the other-side member 32 to form a rectangular parallelepiped.
The insertion groove 35 and the insertion hole 36 for the in-side wire 22 and the out-side wire 25 are formed in the in-side wall 33 and the out-side wall 34 of the other-side member 32. In the embodiment, the spring 30 is inserted between the outer wall 34 and the protrusion 26 of the outer wire 25. 7 and 8 show a second embodiment, wherein the case 24 is formed in a circular shape,
4, a pair of arc-shaped moving pieces 40 are provided, and the spring 30 is provided between each of the arc-shaped moving pieces 40.
And the case 24 is inserted into the insertion hole 4.
The insertion holes 41 and 42 are provided so as to face each other.
The wire 43 is inserted through the wire 43, and the intermediate portion of the wire 43 is rotated to form a loop 44. The loop 44 is fitted to the outer periphery of each of the arc-shaped moving pieces 40 and is brought into contact therewith. The other end is locked to an arm 21 provided on the in rotation shaft 16 and the arm arm 27 provided on the out rotation shaft 17.
Therefore, the operation transmitting member 19 of the second embodiment is constituted by a single wire 43, and the in-lock mechanism 20 is constituted by the pair of arc-shaped moving pieces 40 and the spring 30.

9 to 12 show a third embodiment, in which one end of an in-side rod 48 is attached to an arm 21 provided on the in-rotation shaft 16, and the other end of the in-side rod 48 is engaged with an out-side block 49. The hole 50 is engaged. Out side block 4
9 is formed by a two-fold member 51 and a connecting portion 52. On the opposite side of the engagement hole 50, a groove 54 for an insertion hole 53 formed by joining the two folding members 51 is provided. In the insertion hole 53, an out-side rod 55 having one end attached to the arm 27 is provided. Insert the other end. The other end of the out-side rod 55 is engaged with the engagement hole 57 of the in-side block 56. An intermediate portion of the in-side rod 48 is formed with an insertion hole 59 formed by aligning a groove 58 provided in the in-side block 56.
Through the outer block 49 and the inner block 56.
A spring 63 is provided between them. 64 is an engagement protrusion, 65 is an engagement hole, and the out side block 49 and the in side block 56
Are folded into two.

[0010]

Next, the operation will be described. When the operation lever 18 is operated in the unlocking direction, the out rotation shaft 17 rotates, and the out side lock piece 12 is disengaged from the lock engagement hole.
The arm 27 is rotated by the rotation of the outer rotation shaft 17, the arm 27 pulls the arm 21 of the inner rotation shaft 16 via the operation transmitting member 19, rotates the inner rotation shaft 16, and locks the inner lock piece 13. The outer slide rail 1 and the inner slide rail 3 are released from the engagement hole, and the front / rear position of the seat can be adjusted. Each of the piece 12 and the in-side lock piece 13 is again engaged with the locking engagement hole to fix the sheet.

In this case, the operation transmitting member 19 between the outer rotating shaft 17 and the inner rotating shaft 16 has an outer locking piece 12.
Is provided with an in-lock mechanism 20 that locks the in-side lock piece 13 even in the half-lock state. Therefore, the lock of the in-side lock piece 13 is ensured. Particularly, when the seat belt anchor is provided on the in-side, The load largely applied to the in-side slide rail 3 is reliably supported. That is, the protrusion 23 at the other end of the in-side wire 22 having one end locked to the arm 21 of the in-rotation shaft 16 is engaged with the case 24, and the out-side with one end locked to the arm 27 provided on the out-rotation shaft 17. The projection 26 of the wire 25 is engaged with the case 24,
A spring 30 acting to pull the wire is provided between the protrusion 23 of the in-side wire 22 or the protrusion 26 of the out-side wire 25 and the case 24. Even if the projection 21 or the projection 26 does not return to the predetermined position,
The inside is moved to loosen the operation transmission member 19, and the in-side lock piece 13 is locked. Therefore, the in-side wire 22 or the out-side wire 25 inserted into the case 24
Becomes a play, the in-lock mechanism 20 can be configured, and the cost can be reduced.

In the second embodiment shown in FIGS. 7 and 8, a pair of arc-shaped moving pieces 40 are provided in a circular case 24, and the spring 30 is provided between each of the arc-shaped moving pieces 40. The moving piece 40 is urged to spread, and the insertion hole 41 of the case 24 is
The intermediate portion of the wire 43, which has been inserted, is
Turn it around 0 and pull it out through the insertion hole 42,
An arm 2 having one end of a wire 43 provided on the in rotation shaft 16
1, the other end is locked to an arm 27 provided on the out rotation shaft 17, so that when the operation lever 18 is operated in the unlocking direction, the out rotation shaft 17 rotates and the out side lock piece 12 is used for locking. The arm 27 is rotated by the rotation of the outer rotation shaft 17, and the arm 27 is rotated by the rotation of the outer rotation shaft 17.
, The inner rotation shaft 16 is rotated, the inner lock piece 13 is disengaged from the lock engagement hole, the hand is released from the operation lever 18, the outer lock piece 12 is half-locked, and the arm 21 is at a predetermined position. Even if it does not return, the expanded arc-shaped moving piece 40 contracts, loosens the operation transmitting member 19, and locks the in-side lock piece 13.

In the third embodiment shown in FIGS. 9 to 12, one end of an inner rod 48 is attached to the arm 21 provided on the inner rotary shaft 16, and the other end of the inner rod 48 is connected to the inner block 5.
6, the other end of the out-side rod 55 having one end attached to the arm 27 passes through the insertion hole 53 of the out-side block 49. The engagement hole 57 of the inner block 56 is
And an intermediate portion of the in-side rod 48 is formed with an insertion hole 5 formed by aligning a groove 58 provided in the in-side block 56.
9, the out side block 49 and the in side block 5
When the operation lever 18 is operated in the unlocking direction because the spring 63 is provided between the lock members 6, the out-side rotation shaft 17 is rotated, and the out-side lock piece 12 is disengaged from the lock engagement hole. The arm 27 rotates by the rotation of the shaft 17, and the arm 27 pulls the in-side block 56 via the out-side rod 55, and the in-side block 56 hits the out-side block 49 to pull the out-side block 49. The block 49 pulls the in-side rod 48, and the in-side rod 48 pulls the arm 21 of the in-rotation shaft 16, and rotates the in-rotation shaft 16 to rotate the in-side lock piece 1.
3 is released from the lock engagement hole, the hand is released from the operation lever 18, and even if the out-side lock piece 12 is half-locked and the arm 21 does not return to the predetermined position, the expanded out-side block 49 and the in-side Block 56 shrinks,
The operation transmitting member 19 is loosened to lock the in-side lock piece 13.

[0014]

According to the present invention, a pair of left and right outer slide rails 1 and an inner side having a lower rail 5 attached to the vehicle body, an upper rail 6 attached to the seat side, and an outer lock piece 12 for fixing the upper rail 6, respectively. An operation lever 18 is provided on an out-rotation shaft 17 to which the slide rail 3 is formed and the out-side lock piece 12 of the out-side slide rail 1 is attached, and an operation transmission member 19 is provided between the out-rotation shaft 17 and the in-rotation shaft 16. In the middle part of the operation transmitting member 19, an in-lock mechanism 20 for locking the in-side lock piece 13 even when the out-side lock piece 12 is half-locked.
Since the seat adjusting device is provided with a lock, the locking of the in-side lock piece 13 is ensured. Particularly, when the seat belt anchor is a seat provided on the in-side, the load applied to the in-side slide rail 3 is large. Be sure to support. An in-lock mechanism 20 is provided at an intermediate portion of the operation transmitting member 19.
Is provided, the operation transmission member 19 can be used with an existing seat.
Can be retrofitted simply by exchanging the sheet, the management of the assembling and storage of the sheet depending on the presence or absence of the in-lock mechanism 20 can be easily performed, and the cost can be reduced. In the present invention, the operation transmitting member 19 is configured such that the projection 23 at the other end of the in-side wire 22 having one end locked to the arm 21 of the
4 and the projection 26 of the out-side wire 25 whose one end is locked to the arm 27 provided on the out-rotation shaft 17 is engaged with the case 24. Either the in-side wire 22 or the out-side wire 25 Even if the out-side lock piece 12 is half-locked, the out-side lock piece 13 is formed to be longer by the amount that the in-side lock piece 13 locks, and the protrusion 23 of the longer in-side wire 22 or the out-side wire 25 of the in-side wire 22 or out-side wire 25 is used. Since the seat adjustment device is provided between the projection 26 and the case 24 and provided with a spring 30 acting to pull the wire, the case 24
, Two wires and the spring 30, the manufacturing and assembly are extremely easy, and the cost can be reduced. According to the present invention, the operation transmitting member 19 is provided with a pair of arc-shaped moving pieces 40 movably in a direction facing each other in a circular case 24, and each of the arc-shaped moving pieces 40 is provided between the arc-shaped moving pieces 40. A spring 30 for urging the piece 40 to spread is provided, an intermediate portion of the wire 43 inserted through the insertion hole 41 of the case 24 is rotated around each arc-shaped moving piece 40, and pulled out of the insertion hole 42, An arm 2 having one end of the wire 43 provided on the in-rotation shaft 16 and the other end provided on the out-rotation shaft 17
Since the seat adjusting device is engaged with the seat 7, the size can be reduced. According to the present invention, the operation transmitting member 19 is configured such that one end of the in-side rod 48 is attached to the arm 21 provided on the in-rotation shaft 16, and the other end of the in-side rod 48 passes through the insertion hole 59 of the in-side block 56. And the other end of the out-side rod 55 having one end attached to the arm 27 is engaged with the engagement hole 50 of the out-side block 49.
Through an insertion hole 53 of the inner side block 56 to be engaged with an engagement hole 57 of the inner side block 56. An intermediate portion of the inner side rod 48 is inserted into an insertion hole 59 formed by aligning a groove 58 provided in the inner side block 56. Since the seat adjusting device is provided with the spring 63 between the outer block 49 and the inner block 56, the seat adjusting device can be constituted by the outer block 49, the inner block 56 and the spring 63, and the production and assembly are extremely difficult. It is easy and costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a problem of a known example.

FIG. 2 is an explanatory diagram of the present invention.

FIG. 3 is a perspective view.

FIG. 4 is a perspective view of an assembled state.

FIG. 5 is an out-side lock state diagram.

FIG. 6 is an outside half-locked state diagram.

FIG. 7 is a perspective view of a second embodiment.

FIG. 8 is a sectional view of the same.

FIG. 9 is an assembled perspective view of the third embodiment.

FIG. 10 is a perspective view of the same block.

FIG. 11 is a lock state diagram of the same side.

FIG. 12 is a view showing an out-side half-locked state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Out side slide rail, 2 ... Door, 3 ... Inn side slide rail, 5 ... Lower rail, 6 ... Upper rail, 11 ... Locking hole, 12 ... Out side lock piece,
13 ... In side lock piece, 16 ... In rotation shaft, 17 ... Out rotation shaft, 18 ... Operation lever, 19 ... Operation transmission member, 2
0 ... in-lock mechanism, 21 ... arm, 22 ... in side wire, 23 ... projection, 24 ... case, 25 ... out side wire, 26 ... projection, 27 ... arm, 30 ... spring, 31
... One side member, 32 ... Other side member, 33 ... In side wall, 3
4: Out side wall, 35: insertion groove, 36: insertion hole, 40:
Arc-shaped moving piece, 41: insertion hole, 42: insertion hole, 43: wire, 44: ring, 48: in-side rod, 49: out-side block, 50: engagement hole, 51: two-folded member, 53
.. Insertion hole, 54 groove, 55 out-side rod, 56 in-side block, 57 engagement hole, 58 groove, 59 ... insertion hole, 63 spring

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[Procedure amendment]

[Submission date] September 11, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG. 5

FIG. 6

FIG.

FIG. 2

FIG. 7

FIG. 10

FIG. 11

FIG. 3

FIG. 4

FIG. 8

FIG. 9

FIG.

Claims (4)

[Claims] 1. A pair of left and right outer slide rails 1 and an inner slide rail each having a lower rail 5 attached to a vehicle body, an upper rail 6 attached to a seat side, and an outer lock piece 12 for fixing the upper rail 6. And an operation lever 18 attached to an out rotation shaft 17 to which the out side lock piece 12 of the out side slide rail 1 is attached.
And an operation transmission member 19 is provided between the out rotation shaft 17 and the in rotation shaft 16. An intermediate portion of the operation transmission member 19 locks the in-side lock piece 13 even if the out-side lock piece 12 is half-locked. The seat adjustment device provided with the in-lock mechanism 20 that performs the adjustment. 2. The operation transmitting member 1 according to claim 1,
Reference numeral 9 denotes a case in which a projection 23 at the other end of the in-side wire 22 having one end locked to the arm 21 of the in-rotation shaft 16 is engaged with the case 24, and one end is locked to an arm 27 provided on the out-rotation shaft 17. The protrusion 26 of the side wire 25 is engaged with the case 24, and one of the in-side wire 22 and the out-side wire 25 is formed to be longer by the amount that the in-side lock piece 13 locks even if the out-side lock piece 12 is half-locked. Between the protrusion 23 of the in-side wire 22 or the protrusion 26 of the out-side wire 25 and the case 24, which is the longer of the in-side wire 22 or the out-side wire 25;
A seat adjustment device provided with a spring 30 acting to pull a wire. 3. The operation transmitting member 1 according to claim 1,
9 is a pair of arc-shaped moving pieces 4 in a circular case 24.
0 is provided so as to be movable in the facing direction, and a spring 30 is provided between the respective arc-shaped moving pieces 40 so as to urge the respective arc-shaped moving pieces 40 to spread, and a wire inserted through an insertion hole 41 of the case 24. The intermediate portion of the wire 43 is rotated around each of the arc-shaped moving pieces 40 and pulled out of the insertion hole 42, and the wire 4
3 is a seat adjusting device in which one end of the seat adjusting device is locked to an arm 21 provided on the in-rotating shaft 16 and the other end is locked to an arm 27 provided on the out-rotating shaft 17. 4. The operation transmitting member 1 according to claim 1,
Reference numeral 9 denotes one end of the in-side rod 48 attached to the arm 21 provided on the in-rotation shaft 16, and the other end of the in-side rod 48 passes through the insertion hole 59 of the in-side block 56 and engages with the out-side block 49. The other end of the out-side rod 55 having one end attached to the arm 27 penetrates through the insertion hole 53 of the out-side block 49 so as to engage with the hole 50.
6, the intermediate portion of the in-side rod 48 is inserted into an insertion hole 59 formed by aligning a groove 58 provided in the in-side block 56, and the out-side block 49 and the in-side block 56 are inserted. A seat adjusting device provided with a spring 63 between the two.