JP5384858B2 - Sheet - Google Patents

Description

  A lower rail provided on the floor, a seat slide mechanism comprising an upper rail provided on the seat and movably provided on the lower rail; a lock mechanism for locking the lower rail of the seat slide mechanism to the floor; and And an operation means for performing an unlocking operation.

  As shown in FIG. 8, a seat 5 is provided on a stepped floor having a lower floor 1 and a higher floor 3. A seat slide mechanism 7 including a lower rail provided on the floor side and an upper rail provided on the seat cushion 6 side of the seat 5 and movably provided on the lower rail is provided below the seat 5.

  The front end of the seat slide mechanism 7 is rotatably attached to the other end of a link (support means) 9 whose one end is rotatably attached to the lower floor 1. On the other hand, the rear portion of the seat slide mechanism 7 is locked to the higher floor 3 by the lock mechanism 11.

  Then, as shown by a two-dot chain line, the lock mechanism 11 is unlocked, and the seat 5 is stored in the lower floor 1 with the seat back 8 of the seat 5 tilted forward (for example, Patent Document 1).

In such a seat 5, when the seat 5 is in a front most state (a state where the seat 5 is in the foremost position), the seat 5 may interfere with the front seat 5 ′ and cannot be stored.
In order to avoid such a situation, there has been proposed a seat provided with a cancel mechanism that prevents the lock mechanism 11 from being unlocked unless the seat is in a rearmost state (a state in which the seat 5 is in the last position). .

  As an example of the cancel mechanism, there is a mechanism in which a lever that can be engaged with and disengaged from a lock release member of a lock mechanism provided on the lower rail side is provided on the upper rail side of the seat slide mechanism.

The lever cannot be engaged with the unlocking member of the lock mechanism when the upper rail is in a state other than the rear most, and is provided so that the lock mechanism can be unlocked by the lever when the upper rail becomes the rear most (see Patent Document 2).
Japanese Patent Laying-Open No. 2005-239050 (see FIG. 2) JP 2002-067748 A (see FIG. 3)

The lever of the cancel mechanism described in Patent Document 2 is exposed at a position where it can be operated at all times.
This lever cannot be unlocked even if operated with the upper rail other than the rearmost, but the lever moves, so there is a risk that the lever operator will misunderstand it. In addition, the cancel mechanism may be destroyed or deformed by forcible operation.

  This invention is made | formed in view of the said problem, The subject is providing the sheet | seat which can prevent misoperation.

According to a first aspect of the present invention, there is provided a seat slide mechanism including a lower rail provided on a floor, an upper rail provided on a seat and movably provided on the lower rail, and the lower rail of the seat slide mechanism being locked to the floor. In a seat provided with a lock mechanism and an operation means for performing an unlocking operation of the lock mechanism, when the upper rail of the seat slide mechanism is located at a position other than one of the last position and the foremost position, The seat is characterized in that a cancel mechanism is provided that makes the operation means inoperable when the operation means is not touched and the upper rail moves to either the last position or the foremost position. is there.

  According to a second aspect of the present invention, the operating means is provided inside the floor, the cancel mechanism is provided on the floor side, and a hole capable of operating the operating means from the inside of the vehicle, and opening and closing the hole. A shutter provided in a possible manner, a first urging means for urging the shutter in a direction in which the hole is opened, and the upper rail of the seat slide mechanism is in one of a last position and a foremost position. 2. A shutter driving mechanism that drives the shutter in a closed state against the urging force of the first urging means when located at a place other than the first urging means. This is a sheet.

  According to a third aspect of the present invention, the shutter drive mechanism is provided on the floor side with a protrusion provided on the upper rail, and the upper rail moves to one of the last position and the foremost position. A cancel link that is pushed by the protrusion and rotates in one direction; a second urging means that urges the cancel link to rotate in the other direction; and provided on the floor side to rotate. When the upper rail is located at a position other than either the last position or the foremost position, the second urging force is formed. The cancel link biased in the other direction by the means pushes the open link, the shutter is positioned at the closed position, and the upper rail is When it is located at one of the rear position and the front position, the cancel link is pushed in the one direction and rotated in one direction, and the contact between the cancel link and the open link is released. 3. The sheet according to claim 2, wherein the shutter is moved to the open position by the biasing force of the first biasing means.

  According to a fourth aspect of the present invention, the operating means is provided in a recess formed in the floor, the cancel mechanism is provided on the upper rail side of the seat slide mechanism, and the upper rail of the seat slide mechanism is at the last position, The shield comprises a shield that conceals the recess when positioned at a position other than one of the foremost positions, and opens the recess when the upper rail moves to either the last position or the foremost position. The sheet according to claim 1.

  According to a fifth aspect of the present invention, the operating means is a lever provided on the inner side of the floor, the cancel mechanism is provided on the floor side, and a hole through which an operating portion for operating the lever can protrude. The first urging means for urging the lever so that the operation portion of the lever is located inside the floor, and the upper rail of the seat slide mechanism is moved to one of the last position and the foremost position. The seat according to claim 1, further comprising a lever driving mechanism that causes the operation portion of the lever to protrude from the hole against the urging force of the first urging means.

In the invention according to claim 6, the lever driving mechanism is provided on the floor side with the protrusion provided on the upper rail, and when the upper rail moves to one of the last position and the foremost position, A cancel link that is pushed by the protrusion and rotates in one direction, a second urging means that urges the cancel link to rotate in the other direction, and provided on the floor side and that contacts the lever. A portion of the upper rail other than one of the last position and the foremost position, comprising: a cancelable plate, and third urging means for urging the cancel plate in a direction to contact the lever. When the cancel link biased in the other direction by the second biasing means pushes the cancel plate, The rate is separated from the lever, and the lever is positioned on the inner side of the floor by the urging force of the first urging means, and when the upper rail is positioned at one of the last position and the foremost position, When the cancel link is pushed to rotate in one direction, the abutment between the cancel link and the cancel plate is released, and the third biasing unit of the third biasing unit resists the biasing force of the first biasing unit . The seat according to claim 5, wherein an operating portion of the lever protrudes from the hole by an urging force.

According to the first to sixth aspects of the invention, when the upper rail of the seat slide mechanism is located at a position other than one of the last position and the foremost position, the operation means is operated without being touched. Incorrect operation can be prevented by providing a cancel mechanism that allows the operation means to be operated when the upper rail moves to either the last position or the foremost position.

[First Embodiment]
First, the overall configuration of the sheet according to this embodiment will be described with reference to FIG.
A seat 25 is provided on the stepped floor 20 having the lower floor 21 and the higher floor 22. At the lower part of the seat 25, there is provided a seat slide mechanism 27 comprising a lower rail 31 provided on the high floor 22 side and an upper rail 33 provided on the seat cushion 26 side of the seat 25 and provided movably on the lower rail 31. Yes.

  The front portion of the lower rail 31 of the seat slide mechanism 27 is rotatably attached to the other end portion of a link 29 whose one end portion is rotatably attached to the lower floor 21. On the other hand, a striker 24 that engages with a lock mechanism 35 provided on the higher floor 22 is provided at the rear portion of the lower rail 31 of the seat slide mechanism 27.

  When the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rearmost (last position), the operation means of the lock mechanism 300 is made inoperable. When the upper rail 33 moves to the rear most, the operation means of the lock mechanism 300 is made operable. A cancel mechanism 100 is provided.

As indicated by a two-dot chain line, the seat 25 is stored on the lower floor 21 in a state where the lock mechanism 300 is unlocked and the seat back 28 of the seat 25 is tilted forward.
<Lock mechanism 300>
In the lock mechanism 300 of this embodiment, a striker 301 is provided on the lower rail 31 side of the seat slide mechanism 27, and a lock mechanism main body 303 is provided inside the high floor 22. Note that a hole 22a through which the striker 301 can be inserted is formed in the high floor 22.

  The lock mechanism main body 303 will be described with reference to FIGS. FIG. 1 is a configuration diagram of an invention portion of the first embodiment, FIG. 3 is a cross-sectional view taken along a cutting line AA in FIG. 1, and FIG. 4 is a cross-sectional view taken along a cutting line BB in FIG. .

  As shown in FIG. 4, the base plate 305 of the lock mechanism main body 303 is provided with a plate 307 with a gap therebetween. As shown in FIGS. 3 and 4, a hook 309 is rotatably provided using a pin 311 so as to be sandwiched between these plates 305 and 307. The hook 309 is formed with a lock groove 309a with which the striker 301 can be engaged.

  Further, a pole 313 is rotatably provided using a pin 315 so as to be sandwiched between the plates 305 and 307. The striker 301 engages with the lock groove 309a of the hook 309 and engages with the engaging portion 309b of the hook 309 at a position where the striker 301 cannot be detached from the lock groove 309a of the hook 309 (position shown in FIG. 1). A mating engagement portion 313a is formed.

  The hook 309 is urged toward a position where the striker 301 can be engaged and disengaged with the lock groove 309a by a spring 316 having one end engaged with the hook 309 and the other end engaged with the pole 313 (FIG. 1). Arrow D direction). Further, the pole 313 is biased in the direction (the direction of arrow E in FIG. 1) in which the engaging portion 313a engages with the engaging portion 309b of the hook 309.

  A pole interlocking lever 323 is rotatably mounted on the plate 307 using a pin 321. A pin 325 directed toward the pole 313 is provided on one rotation end side of the pole interlocking lever 323. The plate 307 is formed with an elongated hole 307a through which the pin 325 is inserted in an arc shape centered on the pin 321. The pole 313 is formed with an elongated hole 313c that extends in the radial direction of rotation of the pole 313 and engages with the pin 325.

Therefore, when the pole interlocking lever 323 rotates, the pole 313 also rotates.
Furthermore, the pole interlocking lever 323 is connected to the pin 321 by a spring 327 whose one end is locked to the pole interlocking lever 323 and whose other end is locked to the plate 307. Thus, the engaging portion 313a of the pole 313 is urged in a direction (in the direction of arrow F in FIG. 1) to engage with the engaging portion 309b of the hook 309.

One end of the cable 331 is connected to the other rotation end of the pole interlocking lever 323.
Then, the striker 301 of the lower rail 31 engages with the lock groove 309a of the hook 309, and the striker 301 cannot be detached from the lock groove 309a of the hook 309 (the state in FIG. 1: locked state). When pulled against the urging force of 316, the pole 313 rotates and the engagement between the engaging portion 313a of the pole 313 and the engaging portion 309b of the hook 309 is released. Then, the hook 309 is rotated by approximately 90 ° by the urging force of the spring 316, and the striker 301 is in an unlocked state in which it can be engaged and disengaged from the lock groove 309a of the hook 309.
<Cancellation mechanism 100>
The cancel mechanism 100 will be described with reference to FIG.

At the other end of the cable 33, a lever 351 that is an operation means of the lock mechanism 300 is attached. The lever 351 is located inside the high floor 22.
In the standing wall portion 23 between the lower floor 21 and the higher floor 22 of the step floor 20, a hole 23a is formed in which a lever (operation means) can be operated from the vehicle interior side.

  A guide 103 is provided along the vertical direction on the inner surface side of the standing wall portion 23, and a shutter 105 is movably engaged with the guide 103, and the hole 23 a can be opened and closed by the shutter 105.

A bracket 111 is provided on the back of the shutter 105, and a pin 113 is provided on the bracket 111.
An open link 107 is rotatably provided inside the high floor 22 using pins 109. The open link 107 is formed with an elongated hole 107a, and the pin 113 of the bracket 111 of the shutter 105 is loosely fitted into the elongated hole 107a. Therefore, when the open link 107 rotates in one direction and the other direction, the shutter 105 moves along the guide 103, and the hole 23a is opened and closed. The open link 107 has an intermediate portion wound around the pin 109, one end portion is locked to the open link 107, and the other end portion is locked to the floor (not shown) biasing means (first biasing means). Thus, the shutter 105 is urged in the direction of opening the hole 23a (the direction of arrow G in FIG. 1).

  Here, when the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rearmost with reference to FIGS. 1 and 5, the shutter 105 is closed in a direction against the urging force of the first urging means (not shown). A shutter driving mechanism to be driven will be described. FIG. 5 is a view taken in the direction of the arrow H in FIG.

  At the top of the upper rail 33, an upper plate 121 is provided as a projecting portion projecting sideways. On the other hand, a bracket 123 is provided at the bottom of the lower rail 31, and a cancel link 127 is rotatably attached to the bracket 123 using a pin 125. One end of the cancel link 127 is pushed by the upper plate 121 so that the cancel link 127 rotates in one direction (the direction opposite to the arrow I direction in FIG. 1). Further, the cancel link 127 is attached to a direction in which the other end abuts against the open link 107 through the hole 22b of the higher floor 222 (one direction: an arrow I direction in FIG. 1) by an urging means (not shown). It is energized.

The operation of the cancellation mechanism 100 having the above configuration will be described.
When the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rear most (last position), the lock mechanism 300 is in a locked state. At this time, the cancel link 127 pushes the open link 107 by the urging force of the first urging means, that is, the position indicated by the two-dotted line in FIG. 1, and the shutter 105 is in the position to close the hole 23a. Therefore, the operation of the lever 351 is impossible.

  Next, when the upper rail 33 of the seat slide mechanism 27 is positioned at the rear most (the last position), the upper plate 121 pushes the cancel link 127 as shown by the solid line in FIG. Rotates and leaves the open link 107. Therefore, the shutter 105 moves in the direction of opening the hole 12a by the first urging means. Accordingly, the lever 351 can be operated through the hole 23a, and the lock mechanism 300 can be unlocked by pulling the lever 351.

According to such a configuration, the lever (operation means) 351 cannot be operated when the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rear most (last position), and the lever 351 can be operated when the upper rail 33 moves to the rear most. By providing the cancel mechanism 100, it is possible to prevent erroneous operation.
[Second Embodiment]
A second embodiment will be described with reference to FIG. The difference between the present embodiment and the first embodiment is the cancel mechanism, and the other parts are the same, so the same parts are denoted by the same reference numerals as in the first embodiment. The overlapping description is omitted.

As shown in FIG. 6, a recess 201 is formed at the corner between the high floor 22 and the standing wall 23 and the side of the step floor 20 (part parallel to the paper surface of FIG. 6).
The recess 201 is provided with a lever (operation means) 353, and the other end of the cable 331 is connected to the lever 203. Therefore, when the lever 353 is rotated, the cable 331 is pulled.

  In this embodiment, the recess 201 has openings on the standing wall portion 23 side, the higher floor 22 side, and the side portion side, but the lever 203 can be operated only from the opening on the side portion side. ing.

  A shield 211 is provided on the upper rail 33 side of the seat slide mechanism 27. When the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rearmost (the last position), the shield 211 conceals the opening on the side of the concave portion 201, and when the upper rail 33 moves to the rearmost, the shield 211 The part 211a is away from the opening on the side of the recess 201, and the cancel mechanism 200 opens the opening on the side of the recess 201.

Even in such a configuration, when the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rearmost (last position), the lever (operation means) 203 becomes inoperable by the shield 211, and when the upper rail 33 moves to the rearmost, the lever 203 By providing the cancel mechanism 200 that enables the operation, it is possible to prevent erroneous operation.
[Third embodiment]
A third embodiment will be described with reference to FIG. The difference between the present embodiment and the first embodiment is the cancel mechanism, and the other parts are the same, so the same parts are denoted by the same reference numerals as in the first embodiment. The overlapping description is omitted.

  A lever 355 that is an operation means of the lock mechanism 300 is attached to the other end of the cable 331 of this embodiment. The lever 351 is provided inside the standing wall portion 23 of the step floor 20.

Here, the cancel mechanism 400 will be described.
The standing wall portion 23 is formed with a hole 23c through which an operation portion 355a for operating the lever 355 can project.

The lever 355 is urged in the direction of arrow J in the drawing by a first urging means (not shown), and the operation cannot be performed when the operation portion 355a is positioned inside the standing wall portion 23.
Here, when the upper rail 33 of the seat slide mechanism 27 moves to the rear most, a lever driving mechanism that causes the operation portion 355a, which is one rotational end of the lever 355, to protrude from the hole 23c against the biasing force of the first biasing means. Will be explained.

  Similar to the first embodiment, an upper plate 121 is provided on the top portion of the upper rail 33 as a projecting portion protruding laterally. A cancel link 127 is rotatably attached to the lower rail 31 using a pin 125. One end of the cancel link 127 is pushed by the upper plate 121 and rotates in one direction (the direction opposite to the arrow I direction in FIG. 7).

  A cancel plate 401 is provided inside the high floor 22 using pins 403. One end portion of the cancel plate 401 can be brought into contact with the other rotation end portion of the lever 355 (the rotation end portion on the side opposite to the operation portion 355a). Further, the other end portion of the cancel plate 401 can come into contact with the other end portion of the cancel link 127.

  Then, the cancel link 127 is in a direction in which the other end abuts against the other end of the cancel plate 401 through the hole 22b of the higher floor 222 by a second urging means (not shown) (one direction: in FIG. 1). , In the direction of arrow I).

The cancel plate 401 is biased in a direction in which the cancel plate 401 comes into contact with the other rotation end of the lever 355 by a third biasing means (not shown).
The operation of the cancellation mechanism 400 having the above configuration will be described.

  When the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rear most (last position), the lock mechanism 300 is in a locked state. At this time, the cancel link 127 is moved to the position indicated by the two-dotted line in FIG. 7, that is, the other end of the cancel link 127 pushes the other end of the cancel plate 401 by the biasing force of the first biasing means. The link 127 is at the position of the two-point difference line. In this state, the operation part 355a is located inside the upright wall part 23 by the first urging means, and the lever 355 cannot be operated.

  Next, when the upper rail 33 of the seat slide mechanism 27 is located at the rearmost (last position), the upper plate 121 pushes the cancel link 127 as shown by the solid line in FIG. Rotates and leaves the cancel plate 401. Then, the cancel plate 401 pushes the other rotation end of the lever 355 by the biasing force of the third biasing means, the operation portion s355a of the lever 355 protrudes from the hole, and the lever 355 can be operated, and the lever 355 is pulled. Thus, the lock mechanism 300 can be brought into the unlocked state.

  According to such a configuration, the lever (operation means) 351 cannot be operated when the upper rail 33 of the seat slide mechanism 27 is located at a position other than the rear most (last position), and the lever 351 can be operated when the upper rail 33 moves to the rear most. By providing the cancel mechanism 400, it is possible to prevent erroneous operation.

  The present invention is not limited to the above embodiment. In the above-described embodiment, a seat slide mechanism including a lower rail provided on the higher floor side of the stepped floor having a lower floor and a higher floor, an upper rail provided on the seat side and provided movably on the lower rail, and the seat A lock mechanism for locking the lower rail of the slide mechanism to the floor, an operation means for performing an unlocking operation of the lock mechanism, one end side is rotatably provided on the lower floor, and the other end side is the seat slide mechanism In the above description, the seat is provided with a link provided rotatably on the lower rail and capable of storing the seat on the lower floor. However, the seat is provided on a flat floor and does not have a link, for example, detachment and jumping. The present invention can also be applied to a raised sheet.

  Furthermore, in the above embodiment, the lever can be operated when the upper rail moves to the rear most and the cancel mechanism is activated, but when the upper rail moves to the front most (frontmost position), the cancel mechanism is activated. The lever may be operable.

It is a block diagram of the invention part of the first embodiment. It is a figure explaining the whole structure of the sheet | seat of the example of 1st Embodiment. It is sectional drawing in the cutting line AA of FIG. It is sectional drawing in the cutting line BB of FIG. It is a H direction arrow line view of FIG. It is a block diagram of the invention part of the second embodiment. It is a block diagram of the invention part of the example of 3rd Embodiment. It is a figure explaining a prior art example.

Explanation of symbols

27 Seat slide mechanism 31 Lower rail 33 Upper rail 100 Cancel mechanism 351 Lever (operating means)

Claims (6)

A lower rail provided on the floor, a seat slide mechanism comprising an upper rail provided on the seat and movably provided on the lower rail;
A lock mechanism for locking the lower rail of the seat slide mechanism to the floor;
Operating means for performing an unlocking operation of the locking mechanism;
In a sheet with
If the upper rail of the seat slide mechanism is located at a position other than either the last position or the foremost position, the operation means cannot be operated without being touched , and the upper rail is either the last position or the foremost position. A sheet provided with a cancel mechanism that enables the operation means to be operated when moved to one of the positions.
The operating means is provided inside the floor,
The cancellation mechanism is
A hole provided on the floor side and capable of operating the operating means from the inside of the vehicle;
A shutter provided to open and close the hole;
First biasing means for biasing the shutter in a direction in which the hole is opened;
When the upper rail of the seat slide mechanism is located at a position other than either the last position or the foremost position, the shutter is closed against the urging force of the first urging means. The sheet according to claim 1, comprising a shutter drive mechanism that drives in a direction. The shutter drive mechanism is
A protrusion provided on the upper rail;
Provided on the floor side, and when the upper rail moves to either the last position or the foremost position, a cancel link that is pushed by the protrusion and rotates in one direction;
Second urging means for urging the cancel link to rotate in the other direction;
An open link that is provided on the floor side, opens and closes the shutter by rotating, and can contact the cancel link;
Consists of
When the upper rail is located at a position other than one of the last position and the foremost position, the cancel link biased in the other direction by the second biasing means pushes the open link, The shutter is in the closed position,
When the upper rail is located at either the last position or the foremost position, the cancel link is pushed in the one direction and rotated in one direction, so that the cancel link and the open link come into contact with each other. The sheet according to claim 2, wherein the shutter is moved to the open position by the biasing force of the first biasing means. The operation means is provided in a recess formed in the floor,
The cancellation mechanism is
Provided on the upper rail side of the seat slide mechanism, when the upper rail of the seat slide mechanism is located at a position other than either the last position or the foremost position, the concave portion is concealed, and the upper rail is the last position or the foremost position. A shield that opens the recess when moved to one of the positions,
The sheet according to claim 1, comprising: The operating means is a lever provided inside the floor,
The cancellation mechanism is
A hole provided on the floor side, from which an operating portion for operating the lever can project;
First urging means for urging the lever so that the operation portion of the lever is located inside the floor;
A lever driving mechanism that causes the operation portion of the lever to protrude from the hole against the urging force of the first urging means when the upper rail of the seat slide mechanism moves to either the last position or the foremost position. The sheet according to claim 1, comprising: The lever drive mechanism is
A protrusion provided on the upper rail;
Provided on the floor side, and when the upper rail moves to either the last position or the foremost position, a cancel link that is pushed by the protrusion and rotates in one direction;
Second urging means for urging the cancel link to rotate in the other direction;
A cancel plate provided on the floor side and capable of contacting the lever;
A third urging means for urging the cancel plate in a direction to contact the lever;
Consists of
When the upper rail is located at a position other than either the last position or the foremost position, the cancel link biased in the other direction by the second biasing means pushes the cancel plate, The cancel plate is separated from the lever, and the lever is positioned inside the floor by the biasing force of the first biasing means,
When the upper rail is located at one of the last position and the foremost position, the cancel link is pushed in the one direction to rotate in one direction, and the cancel link and the cancel plate are brought into contact with each other. The seat according to claim 5, wherein the operation portion of the lever protrudes from the hole by the biasing force of the third biasing unit against the biasing force of the first biasing unit .

Images