JP5817495B2 - Control lever for seat slide device - Google Patents

Description

  The present invention is a seat slide device that is configured to be slidable with respect to a vehicle floor, is normally locked so as to prevent a sliding operation, and can be slid by releasing the lock when an operation lever is operated. Regarding the operation lever.

Patent Document 1 below discloses a seat that includes a slide device that allows a seat to slide in the vehicle front-rear direction with respect to a vehicle floor, and further includes a space-up device that allows the seat to be stored along the vehicle side wall. Yes.
The operation lever of the slide device in the seat is configured to release the lock by pulling upward on the side of the seat. When the seat is slid in the front-rear direction, the seat is pushed and pulled in the front-rear direction with the operation lever pulled upward.

JP 2003-320876 A

For this reason, the seat must be operated in the front-rear direction with a hand other than the operating lever, and if another hand cannot be used, it is necessary to ask another person to operate.
In view of such a problem, an object of the present invention is to enable a sliding operation of a sheet with one hand by enabling the sheet to be operated while operating an operation lever for releasing a slide lock.

The first invention of the present invention is configured such that the seat is slidable with respect to the vehicle floor, and is normally locked so as to prevent the sliding operation, and when the operation lever is operated, the lock is released and the seat can be slid. In the seat slide device, when the operation direction of the operation lever at a position where the lock is released coincides with a slide direction of the seat and the operation lever is in a position where the lock is released, An operation surface facing the sliding direction is formed.
According to the first invention, it is possible to simultaneously perform the slide operation with the hand that operated the operation lever. That is, the operation lever has both a function for unlocking and a function for sliding operation. Therefore, the sheet can be slid with one hand.

According to a second aspect of the present invention, in the first aspect, the operation lever is located at a lower rear end portion of the seat cushion, and is rotated so that the rotation end portion changes its direction from the lower side to the rear side. The moving end portion is provided with an operation portion extending rearward from the front of the seat in a state where the rotation end portion faces downward, and the lower surface of the operation portion is the operation surface.
According to the second aspect of the invention, since the operation lever is located at the lower rear end of the seat cushion, it is possible to perform a slide operation from the rear of the seat. When the rear seat is operated to slide back and forth from the rear rear side of the vehicle with the rear door opened, it can be easily operated.
In addition, the operation part of the operation lever needs to be exposed to the outside by cutting out the surface layer part of the seat, but since the operation lever is at the lower rear end part of the seat cushion, the above-mentioned notch part is provided at the lower rear end part of the seat cushion. It can be formed in a position that does not adversely affect the appearance of the sheet.
In addition, the lower surface of the operating part that extends from the front of the seat to the rear is used as the operating surface with the rotating end of the operating lever facing downward. The surface can be widened, the slide lever is unlocked by operating the pivot end of the control lever toward the rear of the seat cushion, and the receiving surface for the push operation when sliding the seat forward is increased. And operability can be improved.

According to a third aspect of the present invention, in the first or second aspect of the invention, the seat is a space-up seat that allows the seat to be stored along the vehicle side wall at a predetermined longitudinal slide position. To do.
According to the third invention, since the unlocking and sliding operation of the slide device can be performed with one hand, the space up operation can be performed with the other hand while adjusting the slide position with one hand, A space-up seat that can be operated only at a predetermined position can be easily operated by one person.

1 is a perspective view showing a first embodiment of the present invention together with a vehicle seat. It is an expansion disassembled perspective view of the said 1st Embodiment. It is a side view of the said 1st Embodiment, and shows the non-operation state of an operation lever. FIG. 4 is a side view similar to FIG. 3, showing the operating state of the operating lever. It is operation explanatory drawing of the said 1st Embodiment, and shows the state which is slidingly operating a sheet | seat back. FIG. 6 is an operation explanatory view similar to FIG. 5 and shows a state where the seat is slid forward. It is a side view of the slide lever in the 2nd Embodiment of this invention.

Embodiments of the present invention will be described with reference to the drawings.
<First Embodiment>
As shown in FIG. 1, the operation lever 1 is provided below the seat back B and at the center of the lower rear end of the seat cushion C. As shown in FIG. 2, the operating lever 1 is assembled with a lever base 13 fixed to a seat cushion frame (not shown) by a hinge pin 14 and a lever grip 12 on a lever frame 113 of the slide lever 11. Assembled.

The slide lever 11 includes a slide lever main body 111 formed by bending a single metal plate. A through hole 112 formed in the upper portion of the slide lever main body 111 and a lever base main body 131 of the lever base 13 are provided behind the slide lever main body 111. The slide lever main body 111 is pivotally fixed to the lever base main body 131 by aligning the through holes 132 formed in the end portions and passing the hinge pins 14 through the through holes 112 and 132. ing. The hinge pin 14 is adapted to maintain the penetrating state by crimping the tip penetrating the through holes 112 and 132.
A lever frame 113 is formed long in the front-rear direction at a rotating end portion spaced downward from the through hole 112 of the slide lever main body 111. The lever frame 113 is formed by bending the rotating end of the slide lever main body 111 and further bending the front and rear ends thereof downward. Further, the front end portion of the lever frame 113 is formed wider than the rear end portion thereof to be a locking portion 114, and the rear end portion of the locking portion 114 is bent downward to form an inclined surface.
The lever grip body 121 of the lever grip 12 that covers the lever frame 113 of the slide lever body 111 is made of a soft resin, and a cavity (not shown) for fitting the lever frame 113 is formed inside thereof. The cavity is configured to be opened on the right side surface of the lever grip main body 121 so that the lever frame 113 is inserted from the opening (not shown). The front side portion of the opening is closed to form an insertion port 124. The lever frame 113 inserted into the cavity of the lever grip body 121 can be easily removed from the inside of the cavity by engaging the locking portion 114 and the downward bent portions of the front and rear end portions of the lever frame 113 with corresponding portions in the cavity. It is designed not to come out.
In addition, the front end portion of the lever grip main body 121 has a thickness in the vertical direction that is made thinner than that of the center portion to form a finger hook portion 122. On the other hand, the rear end portion of the lever grip main body 121 has a thickness in the vertical direction that is larger than that of the central portion, thereby forming a display portion 123.

A member constituting a stopper 133 described later is welded and fixed to the front of the through hole 132 of the lever base body 131. On the other hand, a contact portion 115 that comes into contact with the stopper 133 is formed behind the through hole 112 of the slide lever body 111, and also comes into contact with the stopper 133 on the opposite side of the contact portion 115 across the through hole 112. A contact portion 117 is formed.
In addition, a through hole 116 is formed at the lower front side of the through hole 112 of the slide lever body 111, and an end portion of an inner cable in a cable described later is fixed thereto. On the other hand, a notch portion 134 is formed in the bent flange portion at the front end portion of the lever base main body 131, and an outer casing in the cable is fixed thereto. That is, the cable has a core-sheath structure in which the inner cable is inserted into the outer casing.

When the operation lever 1 is not operated, the rotating end portion of the slide lever body 111 is urged by a biasing force of a biasing spring (not shown) provided between the lever base body 131 and the slide lever body 111 as shown in FIG. The lever frame 113 is positioned below the seat cushion C together with the lever grip body 121 and stopped. At this time, the slide lever main body 111 is urged to rotate clockwise about the through hole 112, and is stopped when the contact portion 117 of the slide lever main body 111 contacts the stopper 133 of the lever base main body 131. ing.
At this time, the lower surfaces of the lever frame 113 and the lever grip body 121 face the vehicle floor (not shown) below the seat cushion C. Further, the inner cable 151 of the cable 15 is in the initial position, and the unlocking operation of the slide device (not shown) is not performed. Here, the outer casing (not shown) of the cable 15 is fixed to the notch 134 of the lever base body 131 by the casing cap 152.

FIG. 4 shows a state in which the slide lever main body 111 of the operation lever 1 is operated via the lever grip main body 121 so that the operation surface of the lever grip main body 121 faces the rear of the vehicle. In this state, since the through hole 116 of the slide lever main body 111 that fixes the inner cable 151 is rotated around the through hole 112, the inner cable 151 is drawn out to the outer casing, and the slide device is locked. Canceled.
At this time, the contact portion 115 of the slide lever main body 111 contacts the stopper 133 of the lever base main body 131, and the rotation operation of the slide lever main body 111 is stopped. As a result, the operation surface of the lever grip body 121 faces the rear of the vehicle and is set at a position orthogonal to the front / rear sliding direction of the seat as will be described later.

FIG. 5 shows an operation method when the seat is slid backward. The operator H puts his / her finger on the finger hooking portion 122 at the front end of the lever grip body 121 and pulls it forward to rotate the slide lever body 111 rearward of the vehicle. When the contact portion 115 of the slide lever main body 111 comes into contact with the stopper 133 of the lever base main body 131 and stops rotating, the slide device is unlocked and the operation surface of the lever grip main body 121 is The seat can be slid rearwardly as indicated by an arrow R by pulling the lever grip body 121 forward as indicated by an arrow while facing in the sliding direction.
When the seat is slid forward, as shown in FIG. 6, the slide lever body 111 is rotated backward as in the case of FIG. 5, and this time the lever grip body 121 is moved by the palm of the operator H. By pressing the operation surface as indicated by an arrow, the seat can be slid forward as indicated by an arrow F. At this time, the pulling operation to the finger hooking portion 122 by the finger is continued so that the slide lever body 111 is not rotated downward by the pressing operation with the palm. That is, the operator H presses the operation surface of the lever grip body 121 forward with the palm while rotating the lever grip body 121 backward with the fingertip.

Thus, according to the first embodiment, the seat can be simultaneously slid in the front-rear direction with the hand that operated the operation lever 1 so as to unlock the slide device. That is, the operation lever 1 has a function for unlocking the slide device and a function for sliding the seat in the front-rear direction. Therefore, the sheet can be slid with one hand.
In addition, since the operation lever 1 is located at the lower rear end of the seat cushion C, a slide operation can be performed from the rear of the seat. When the occupant behind the seat performs a forward / backward slide operation on the front seat, or the vehicle rear door When the rear seat is slid back and forth from the rear outside of the vehicle in the opened state, it can be easily operated. At this time, the display portion 123 behind the lever grip body 121 is placed prominently on the surface of the seat cushion C, so that the presence of the operation lever 1 can be easily understood by the occupant.
In addition, the operation portion of the operation lever 1 needs to be exposed to the outside by notching the surface layer portion of the seat cushion C (hereinafter referred to as a notch portion), but the operation lever 1 is at the lower rear end portion of the seat cushion C. The notch is formed at the lower rear end of the seat cushion C, so that the appearance of the seat is not adversely affected.
Furthermore, since the lower surface of the lever grip body 121 extending from the front of the seat to the rear is used as the operation surface in a state where the rotating end portion of the operation lever 1 is directed downward, a space extending in the front-rear direction is provided below the seat cushion C. The operating surface can be widened by using the lever, and the sliding end of the operating lever 1 is operated toward the rear of the seat cushion C to release the lock of the sliding device, and the push when sliding the seat forward is performed. The operation receiving surface can be increased, and the operability can be improved.

<Second Embodiment>
FIG. 7 shows the second embodiment, in which the shape of the slide lever main body 111 in the first embodiment is partially changed. Other configurations are the same as those of the first embodiment described above.
The slide lever main body 1110 of the slide lever 110 of FIG. 7 has a front frame larger than the slide lever main body 111 of the first embodiment and forms a lever frame 1130 at the front end of the slide lever main body 1110. The frame 1130 extends greatly rearward and can be operated from the rear of the seat. In FIG. 7, a broken line indicates the shape of the slide lever main body 111 in the first embodiment, and the difference from the slide lever main body 1110 in the second embodiment indicated by a solid line is shown.
According to the second embodiment, the portion connecting the slide lever main body 1110 and the lever frame 1130 is on the front side of the slide lever main body 1110 compared to the corresponding portion of the first embodiment, so that the surface layer portion of the seat cushion C The notch portion can be shifted from the rear surface portion of the seat cushion C to the lower surface portion as compared with the case of the first embodiment. Accordingly, it is possible to improve the appearance by making the notch portion inconspicuous from the vehicle occupant.

<Third Embodiment>
In the third embodiment, the seat is a fixed slide position type space-up seat. The space position seat with a fixed slide position is a well-known one, and although not shown, the seat can be stored along the vehicle side wall at a predetermined front and rear slide position.
By applying the operation lever of the present invention to such a slide position fixed type space-up seat, the unlocking of the slide device and the slide operation can be performed with one hand, so the slide position is adjusted with one hand. However, the space-up operation can be performed with the other hand, and the space-up seat that can be operated only at a predetermined position can be easily operated by one person.

The present invention is not limited to the appearance and configuration described in the above embodiment, and various modifications, additions, and deletions can be made without changing the gist of the present invention. For example,
1. Even if the operating direction of the operating lever and the sliding direction of the seat do not completely match, it is sufficient that the component force of the operating force of the operating lever matches the sliding direction.
2. Even if the operation surface of the operation lever does not face perpendicular to the sliding direction of the seat, it is only necessary that the component force of the pressing operation force on the operation surface matches the sliding direction.
3. In the above embodiment, the operation lever is rotated so as to change the direction from the lower side to the rear side. However, the operation lever may be operated so as to change the direction from the front side to the lower side, from the rear side to the upper side, and from the upper side to the front side. good.
4). The operation lever may be provided on a side portion of the seat cushion.
5. The slide device may be a device that slides the sheet in the left-right direction.

1 Operation lever 11, 110 Slide lever 113, 1130 Lever frame (rotating end)
115 Contact part 12 Lever grip (operation part)
121 Lever grip body (operation surface)
13 Lever base 133 Stopper

Claims (2)

In the seat slide device that is configured to be slidable with respect to the vehicle floor, and is normally locked to prevent the sliding operation, and when the operation lever is operated, the lock is released to be slidable,
The operation lever is located at the lower rear end of the seat cushion, and is operated to rotate so that the rotation end changes its direction from below to the rear. The direction of the rear rotation end is matched with the sliding direction of the seat,
The rotating end portion is formed with an undersurface extending rearward from the front of the seat as an operating surface for an operator to press and operate the seat when sliding the seat with the rotating end facing downward. And, on the front back side of the operation surface, provided with an operation portion formed with a finger hook portion into which an operator's fingertip can be inserted,
The operation lever of the seat slide device further includes a contact portion that contacts the stopper at the rotation operation position and restricts further rotation operation . 2. The operation lever of a seat slide device according to claim 1 , wherein the seat is a space-up seat that allows the seat to be stored along a vehicle side wall at a predetermined slide position.

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