JP2002178803A - Automotive seat mounting fitting and automotive seat mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automotive seat mounting fitting excellent in the operability of a lock mechanism, and provide an automotive seat mounting structure that can lower a seat mounting position. SOLUTION: An operating part 11 is formed in an upward extending relation to a lock member 9, so that the degree of rightward projection of the operating part 11 from an upper rail 2 can be reduced or eliminated and that the operating part 11 can be kept from interference with, for example, a trunk opener or the like located around the automotive seat mounting fitting. Unlike a conventional structure, there is no need for a driver to insert a hand between the seat mounting fitting and a floor F when sliding a seat S, which can improve the operability of the lock mechanism 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat mounting device for mounting a vehicle seat on a vehicle body so as to be movable in the front-rear direction, and to a vehicle seat mounting structure.

[0002]

2. Description of the Related Art Conventionally, as this kind of vehicle seat attachment, there is generally used a pair of left and right attachment rails extending forward and backward below an automobile seat. Each mounting rail has a lower rail and an upper rail movable in the front-rear direction. The seat is fixed to each upper rail side, and each lower rail is fixed to the floor of the vehicle body, so that the seat is fixed to the floor. To move back and forth. Here, the seat is fixed to a pair of front and rear seat fixing portions provided between the upper rails, and the left and right upper rails move in the front and rear direction integrally with the seat and the seat fixing portion.

This vehicle seat mounting device has a lock mechanism for locking the upper rail, and the lock mechanism includes a plurality of lock holes provided in the longitudinal direction of the lower rail, and a claw for engaging with an arbitrary lock hole. A lock member, a spring for urging the lock member in the locking direction, a rod-shaped link that rotates in the axial direction together with the lock member and extends to the front side of the seat, and is formed by bending the front end of the link in the lateral direction. Operation unit. That is, the driver seated on the seat rotates the operating portion below the front side of the seat upward to unlock the seat, moves the seat to an arbitrary position, and then moves the upper rail by the urging force of the spring. By locking, the front-back position of the seat can be adjusted.

In some cases, a so-called genuine seat provided at the time of selling an automobile is replaced with a bucket seat suitable for sports driving or the like. By using this bucket seat, the body of the driver or the like is securely held not only in sports running on a circuit or the like but also in a curve on a general road, and the stability of the driver's posture is remarkably improved. Is obtained. Further, when the automobile is used for sports driving or the like, it is preferable to lower the center of gravity of the vehicle, and it is preferable to lower the mounting position of the bucket seat to lower the center of gravity of the driver which is heavy for the vehicle. However, in the vehicle seat fixture,
Since the seat fixing portion is provided between the upper rails, the lower portion of the seat cannot be disposed on the floor side (below) of the seat fixing portion, and there is a limit in lowering the seat mounting position.

In order to lower the seat mounting position,
2. Description of the Related Art There has been proposed an automobile seat mounting device in which each mounting rail is provided independently of each other without providing a seat fixing portion. In this vehicle seat fixture, the components constituting the lock mechanism are not provided below the seat, and the lock holes are provided on the outer side surface of the lower rail at predetermined intervals in the front-rear direction,
The pawl is locked in the lock hole from outside the lower rail. The operation part extends obliquely forward from the lock member, and the claw and the operation part rotate integrally about a substantially vertical direction as a rotation axis. One end of a spring is fixed to the lock member, and the other end of the spring is fixed to a side surface of the upper rail. With this, the driver puts a part of the hand between the mounting rail and the floor, simultaneously grips the operating rail with the thumb and each finger other than the thumb, applies force to the operating unit, and attaches the operating unit The seat can be slid in the front-rear direction together with the upper rail by rotating in the rail direction to release the engagement between the pawl and the lock hole. When the driver's seat is on the right side, the floor tunnel may be located near the left side of the left mounting rail, and the lock mechanism is provided on the right mounting rail. According to the vehicle seat fixture, the lower portion of the seat can be lowered to near the floor, and the center of gravity of the vehicle can be lowered to improve the running performance of the vehicle.

[0006]

However, in the case where each of the mounting rails is provided independently, the operating portion is close to the levers such as the trunk opener located outside the mounting rail, and the operating portion or these levers are provided. When operated, there is a risk that they may interfere with each other and impair operability. Also, when sliding the seat, the driver has to put a part of his hand between the mounting rail and the floor,
The operability of the mounting rail itself was not good either.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide an automobile seat mounting device excellent in operability of a lock mechanism. Another object of the present invention is to provide an automobile seat mounting structure that can lower the seat mounting position in addition to the above-mentioned objects.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, a lower rail fixed to a vehicle body of an automobile, and a lower rail provided movably in a longitudinal direction of the lower rail are provided. An upper rail for supporting the seat, and a lock mechanism for restricting the movement of the upper rail at a predetermined position, the lock mechanism comprising a plurality of lock holes provided at predetermined intervals in a longitudinal direction of the lower rail; A lock member rotatably provided at the one end and capable of locking one end to an arbitrary lock hole, an urging means for urging the lock member in the locking direction, and an operating portion capable of operating the lock member in the unlocking direction And the other end of the lock member is formed to extend upward from the one end, and the operating portion is provided at the other end of the lock member.

In this vehicle seat mounting device, when the driver slides the seat in the longitudinal direction of each rail, the operating portion is rotated against the urging force of the urging means to rotate the operation member with the lock member and the lock hole. Is disengaged, the upper rail is moved together with the seat and stopped at an arbitrary position, and the force applied to the operation unit at this stopped position is relaxed. Thereby, the lock member is engaged with the lock hole corresponding to the stop position by the urging force of the urging means, and the movement of the upper rail and the seat is regulated.

At this time, the operation portion is formed to extend upward from the lock member, and the amount of protrusion of the operation portion in the lateral direction from the upper rail can be reduced or eliminated. Further, when sliding the seat, the driver does not need to put his hand between the seat fixture and the floor as in the conventional case.

According to a second aspect of the present invention, in the vehicle seat mounting device according to the first aspect, a rotation axis of the lock member is provided so as to extend along a longitudinal direction of each rail, and the lock member is provided along a longitudinal direction of the lower rail. It is formed so as to be engaged with the lock hole substantially perpendicular to the direction.

Thus, in addition to the function of the first aspect, the locking member is locked in the locking hole substantially perpendicular to the longitudinal direction, so that a longitudinal force is applied to the seat and the upper rail by acceleration or deceleration of the vehicle. In this case, the locking of the lock member to the lock hole is not released.

According to a third aspect of the present invention, in the vehicle seat mounting device according to the second aspect, the other end of the lock member including the operating portion is formed to be bent to one side of the upper rail. I have.

In this case, in addition to the operation of the second aspect, when the driver operates the lock mechanism, the driver reaches down and puts a finger on the operation section, and turns in the direction of drawing toward the driver's body. It is easy to apply force to the operation unit because it only needs to be moved.

According to a fourth aspect of the present invention, there is provided an automobile seat mounting structure in which a pair of seat mounting members for supporting the vehicle seat so as to be movable in the front-rear direction are arranged on both sides in the width direction of the seat. Is constituted by the seat attachment according to any one of claims 1 to 3, and each sheet attachment is provided so that the lower portion of the sheet can be disposed therebetween.

Thus, in addition to the function of any one of the first to third aspects, the mounting height of the vehicle seat is reduced.
The center of gravity of the seat and the driver can be lowered.

According to a fifth aspect of the present invention, in the vehicle seat mounting structure according to the fourth aspect, a seat fixing portion provided at a predetermined position of each of the seat mounting members, and a fastening member for fastening the seat fixing portion to the seat. And a plurality of fastening portions capable of fastening the sheet fixing portion by the fastening member are provided on the seat side at predetermined intervals in the height direction of the seat.

Thus, in addition to the function of the fourth aspect, the seat mounting height can be adjusted by fastening the seat fixing portion to an arbitrary fastening portion on the seat side.

According to a sixth aspect of the present invention, in the vehicle seat mounting structure according to the fifth aspect, an engaging portion for engaging a fastening member with the seat fixing portion is provided at a predetermined interval different from each fastening portion on the seat side. In this case, a plurality of sheets are provided in the height direction of the sheet.

Thus, in addition to the effect of the fifth aspect, the mounting height of the seat can be adjusted by changing the engaging portion for fixing the vehicle seat. Here, since the interval between the fastening portions and the interval between the engaging portions are different from each other, it is possible to adjust the mounting height of the sheet in multiple stages by combining any fastening portions and engaging portions.

[0021]

1 to 7 show an embodiment of a vehicle seat mounting device and a vehicle seat mounting structure using the same according to the present invention. FIG. 1 shows a side view of the vehicle seat mounting structure. FIG. 2 is a front view of the vehicle seat mounting structure, FIG. 3 is an external perspective view of the vehicle seat mounting device, FIG. 4 is a bottom view of the vehicle seat mounting device, and FIG. FIGS. 6 and 7 are front sectional views showing the operation of the vehicle seat attachment, and FIG. 7 is a partial front sectional view of the seat attachment structure.

1 and 2 includes a lower rail 1, an upper rail 2 movable in the longitudinal direction of the lower rail 1, and a lock mechanism 3 for locking the movement of the upper rail 2. have. The lower rail 1 is the floor F of the car body
The upper rail 2 supports the seat S, and the seat S is movable in the front-rear direction with respect to the floor F.

As shown in FIGS. 3 to 5, the lower rail 1 is formed to extend in the front-rear direction, and a bracket 4 is fixed to a lower portion on the front end side and the rear end side. The left and right sides of the lower rail 1 are opposed to each other, and each have a concave recess 1a formed therein. The upper side of the lower rail 1 is open, and a substantially horizontal plane portion 1b is formed below the lower rail 1. Here, the inner end of the lower surface of each recess 1a extends downward and is connected to the flat portion 1b in a stepped manner. A plurality of lock holes 1c arranged in front and rear are formed on the lower surface of the right recess 1a. Each bracket 4 is provided with a stop hole 4 a below the lower rail 1. Bolts B1 are inserted through the respective retaining holes 4a, and the bolts B1 are screwed into the respective screw holes on the floor F side, and the lower rail 1 is fixed to the floor F. In the present embodiment, the front stop hole 4a is formed substantially in a vertical plane, and the rear stop hole 4a is formed substantially horizontal. Each stop hole 4a may be substantially horizontal or substantially vertical,
In a vehicle in which a screw hole is provided on the upper surface of the floor F, the stop hole is formed substantially horizontally, and in a vehicle in which a screw hole is provided on a side surface such as a cross member, the stop hole is formed substantially vertically.

As shown in FIGS. 3 to 5, the upper rail 2 is formed to extend in the front-rear direction, and is movable with respect to the lower rail 1 in the front-rear direction. Further, a plate 5 having a screw hole is welded to an upper part on the front end side and the rear end side. Each plate 5 is provided substantially horizontally on the upper rail 2, and a pair of front and rear screw holes 5a is provided on the upper surface thereof. The left and right sides of the upper rail 2 are opposed to each other, and each have a concave recess 2a formed therein. The lower side of the upper rail 2 is open, and a substantially horizontal plane portion 2b is formed above the upper rail 2. Here, the inner end of the upper surface of each recess 2a extends upward and is connected to the flat portion 2b in a stepped manner. Each recess 2
"a" covers each recess 1a of the lower rail 1a from the outside, and slides on the inner surface of each recess 2a and each recess 1a. Further, between the lower rail 1 and the upper rail 2, a flat portion 1 b and a spring bearing 6 which is in contact with the flat portion 2 b are provided.
The upper rail 2 moves smoothly. A notch 2c is provided on the lower surface of the right concave portion 2a, and one lock hole 1c of the lower rail 1 is exposed from the notch 2c. In this embodiment, two notches 2c are provided so that two adjacent lock holes 1c are simultaneously exposed. A shaft support bracket 2d is fixed by welding to an approximately center of the outer surface of the right concave portion 2a in the front-rear direction, and a rotatable rotation rod 7 extending in the front-rear direction is supported by the bracket 2d. The rotating rod 7
A spring 8 as an urging means for winding the front side of
The turning rod 7 is biased in the counterclockwise direction by the spring 8. Further, the rotating rod 7 has
A plate-like lock member 9 fixed to the outside and extending below the lower rail 1 is provided, and a protruding claw 10 is provided at one end of the lock member 9. In the present embodiment, two pawls 10 are provided, and each pawl 10 is engaged with two adjacent lock holes 1c by the urging force of the spring 8. Each claw 10 is formed to be concavely curved with respect to the rotating rod 7. Also, the lock member 9
The other end of the is extended above the one end, the tip side,
An operation unit 11 is provided. That is, the lock member 9 extends obliquely upward from the rotation shaft, and the distal end thereof is bent obliquely upward to one side on the opposite side to form the operation portion 11. Here, the upper end side of the operation unit 11a is covered with a cap 11a made of rubber.

The lock mechanism 3 includes the lock holes 1c,
It consists of a rotating rod 7, a spring 8, a lock member 9, and an operation unit 11, and the lock between the lower rail 1 and the upper rail 2 is released as shown in FIG. By turning counterclockwise in the front, the lower rail 1 and the upper rail 2 are locked as shown in FIG. In a state where no force acts on the operation unit 11, the lock member 9 is
Is kept in a locked state.

As shown in FIGS. 1 and 2, each plate 5
The fixing bracket 12 which forms the seat fixing portion is fixed to the fixing member 12 using the screw hole 5a and the bolt B2. Each fixing bracket 1
Reference numeral 2 denotes a substantially L-shaped plate fixing portion 12a that contacts the plate 5 and a sheet fixing portion 12b that extends upward from the left end of the plate fixing portion 12a and contacts the sheet S. A plurality of long holes 12c extending in the front-rear direction are arranged in the seat fixing portion 12b in the up-down direction.
The sheet S is fixed by bolts B3 through which any one of c is inserted. In the present embodiment, as shown in FIG.
Each fixing member 12 is provided with three long holes 12c, and the distance between adjacent long holes 12c is all P1. Further, height adjustment holes S1 through which the bolts B3 are inserted are vertically arranged on the front and rear sides of the left and right sides of the seat S. In the present embodiment, as shown in FIG. 7, two height adjustment holes S1 are provided for one fixing member 12, the distance between adjacent height adjustment holes S1 is P2, and P2> P1. It has become. That is, the distances P1 and P2 between the long holes 12c and the height adjustment holes S1 are different. In the present embodiment, each height adjustment hole S1 forms a fastening portion, each long hole 12c forms an engaging portion, and the bolt B3 forms a fastening member. The bolt B3 is fixed by a nut.

In this embodiment, as shown in FIGS. 1 and 2, the vehicle seat attachment R1 is provided on the lower right side of the driver's seat S, and a lock mechanism 3 is provided on the lower left side of the seat S. The vehicle seat fixture R2 having no is provided. A so-called bucket seat formed in a bucket shape is used as the seat S, and the height of the lower end of the seat S is lower than the upper height of each of the vehicle seat fixtures. The height of the sheet S is adjusted by changing the combination of the elongated hole 12c for inserting the bolt B3 and the height adjusting hole S1.

The operation of the vehicle seat mounting structure configured as described above by the driver will be described.

First, the driver reaches down from the right side of the seat S, applies a force to the operation unit 11, and turns substantially in the horizontal direction. As a result, the lock member 9 rotates, the claws 10 come out of the lock holes 1c, the lock is released, and the upper rail 2 and the seat S can move in the front-rear direction. Sheet S
Is moved to an arbitrary position, the force on the operation unit 11 is relaxed, and the urging force of the spring 8 causes the operation unit 11 and the lock member 9 to move.
Is rotated. Thereby, each claw 10 is locked in each lock hole 1c corresponding to the stop position of the sheet S, and the upper rail 2 and the sheet S are locked.

As described above, according to the vehicle seat fixture of the present embodiment, since the operating portion 11 is formed to extend upward from the lock member 9, the operating portion 11 projects rightward from the upper rail 2. Reduce or eliminate the amount,
For example, it is possible to avoid interference with a trunk opener or the like provided around the vehicle seat attachment. Also, when the sheet S slides, as in the conventional case,
The driver does not need to put his hand between the seat fixture and the floor F, and the operability of the operation unit 11 can be improved.

Further, according to the vehicle seat mounting device of the present embodiment, the lock member 9 is rotated about the front-rear direction as the rotation axis, so that the lock member 9 is provided with the lock hole in a direction orthogonal to the front-rear direction. 1c, the locking of the lock member 9 to the lock hole 1c is not released when a force in the front-rear direction is applied to the seat S and the upper rail 2 due to acceleration or deceleration of the vehicle.

According to the vehicle seat fixture of the present embodiment, the other end of the lock member 9 including the operation section 11 is
Since the grip portion 11a is formed by bending the upper rail 2 to one side, the driver puts a finger on the grip portion 11a and operates the operating portion 11a.
May be rotated in a substantially horizontal direction, that is, in a direction to draw the driver's body, so that a force can be easily applied to the operation unit 11. Therefore, the operability of the operation unit 11 by the driver can be improved.

Further, according to the vehicle seat fixture of the present embodiment, the operating portion 11 is rotated substantially upward to lock the lock member 9.
And the lock holes 1c are disengaged from each other.
The driver only has to apply the force toward the upper side, that is, the driver's side, to rotate the operation unit 11 by applying the force to the grip unit 11a, and thus the force can be easily applied to the operation unit 11 as well.

Further, according to the vehicle seat mounting device of the present embodiment, since the operating portion 11 is provided on the lock member 9, the lock member 9 and the operating portion 11 rotate integrally and each claw 10 is rotated. Can be reliably engaged with and disengaged from each lock hole 1c. For example, the force applied to the operating part is transmitted to the nail by the elastic deformation of the interposed parts such as the link, as in the case where the seat has an operating part below the front side and a link etc. is interposed between the operating part and the nail. It is not difficult.

Further, according to the vehicle seat fixture of the present embodiment, the two claws 10 are respectively engaged with the lock holes 1c, so that the lock of the upper rail 2 with respect to the lower rail 1 is made strong. can do.

Further, according to the vehicle seat mounting structure of the present embodiment, the lower portion of the seat S is configured to be lower than the upper height of the upper rail 2, so that the mounting height of the seat S is reduced. S and the center of gravity of the driver and the like can be lowered, and the running performance of the vehicle can be improved.

According to the vehicle seat mounting structure of the present embodiment, since a plurality of height adjustment holes S1 are provided in the seat S at intervals in the vertical direction, the height adjustment holes S1 used for fixing the seat S are provided. Can be arbitrarily changed to adjust the mounting height of the sheet S. Therefore, the height of the seat S can be adjusted according to the driver's physique and the like, which is extremely advantageous in practical use.

Further, according to the vehicle seat mounting structure of the present embodiment, the vertical space between the height adjusting holes S1 of the seat S and the vertical space between the long holes 12c of the fixing bracket 12 are respectively set. Since it is made different, it is possible to finely adjust the mounting height of the sheet S by changing the combination of the holes S1 and 12c used for fixing the sheet S.

In the above embodiment, the right vehicle seat mounting device has the lock mechanism 3 and the left vehicle seat mounting device does not have the lock mechanism 3. The seat attachment for the vehicle may have the lock mechanism 3, and at least one of the vehicle seat attachments may have the lock mechanism 3 of the embodiment.

In the above-described embodiment, the seat for the driver's seat S is shown. However, the seat for the passenger seat may be supported.

In the above embodiment, the bolt B
1 is screwed into the screw hole on the floor F side through the stopper hole 4a, but a bolt may be provided on the floor F side, and the bolt may be inserted through the stopper hole 4a and screwed into the nut. Good.

In the above embodiment, the plate 5 is provided with the screw holes 5a. However, the screw holes are provided in the upper rail without providing the plates 5, and the seat is directly fixed to the upper rail. May be used.

In the above embodiment, the lock member 9 extends obliquely upward from the rotation axis. However, the lock member 9 may extend substantially vertically upward.

In the above embodiment, the operation portion 11 is formed by bending the distal end of the lock member 9. However, the operation portion is formed without bending the distal end of the lock member. There may be.

In the above embodiment, the rubber cap 11a is provided.
a may be made of resin, cloth, or the like.
A configuration without the cap 11a may be adopted.

[0046]

As described above, according to the vehicle seat mounting device according to the first to fourth aspects, for example, interference between the lock mechanism and a trunk opener provided around the vehicle seat mounting device is avoided. Therefore, the operability of the lock mechanism can be improved.

According to the vehicle seat mounting structure of the fifth aspect, in addition to the effect of any one of the first to fourth aspects, the center of gravity of the seat and the driver can be lowered, so that the vehicle The traveling performance of the vehicle can be improved.

According to the vehicle seat mounting structure of the sixth aspect, in addition to the effect of the fifth aspect, since the mounting height of the seat can be adjusted, the seat mounting height can be adjusted according to the physique of the driver. The height can be adjusted, which is advantageous in practical use.

According to the vehicle seat mounting structure of the seventh aspect, in addition to the effect of the sixth aspect, finer adjustment of the mounting height of the seat becomes possible.

[Brief description of the drawings]

FIG. 1 is a side view of a vehicle seat mounting structure according to an embodiment of the present invention.

FIG. 2 is a front view of an automobile seat mounting structure.

FIG. 3 is an external perspective view of an automobile seat attachment.

FIG. 4 is a bottom view of the vehicle seat fixture.

FIG. 5 is a front sectional view of an automobile seat attachment.

FIG. 6 is a front sectional view showing the operation of the vehicle seat fixture.

FIG. 7 is a partial front sectional view of an automobile seat mounting structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Lower rail, 1c ... Lock hole, 2 ... Upper rail, 3 ... Lock mechanism, 7 ... Rotating rod, 8 ... Spring, 9 ... Lock member, 11 ... Operating part, 11a ... Holding part, 12 ... Fixing fitting,
12c: long hole, B3: bolt, F: floor, R1: vehicle seat fixture, S: seat, S1: height adjustment hole.

Claims (6)

[Claims] 1. A lower rail fixed to a vehicle body of an automobile, an upper rail movably provided in a longitudinal direction of the lower rail, supporting an automobile seat, and a lock mechanism for restricting movement of the upper rail at a predetermined position. A lock member provided with a plurality of lock holes provided at predetermined intervals in the longitudinal direction of the lower rail, and a lock member rotatably provided on the upper rail and one end of which can be locked to an arbitrary lock hole. And an urging means for urging the lock member in the locking direction, and an operating portion capable of operating the lock member in the unlocking direction, wherein the other end side of the lock member is one end. A vehicle seat mounting fixture formed so as to extend upward from a side and provided with the operating portion at the other end of a lock member. 2. The lock member according to claim 1, wherein a rotation axis of the lock member is provided so as to extend along a longitudinal direction of each rail, and the lock member is formed so as to be locked in a lock hole substantially orthogonal to a longitudinal direction of the lower rail. The vehicle seat fixture according to claim 1, wherein: 3. The vehicle seat mounting device according to claim 2, wherein the other end of the lock member including the operation portion is formed to bend to one side of the upper rail. 4. A mounting structure for a vehicle seat in which a pair of seat mounting members for supporting a vehicle seat so as to be movable in the front-rear direction are arranged on both sides in the width direction of the seat, at least one of the seat mounting devices. Items 1 to 3
An automotive seat mounting structure, comprising: the seat mounting device according to any one of claims 1 to 3, wherein each of the seat mounting devices is provided so that a lower portion of the seat can be disposed therebetween. 5. A sheet fixing portion provided at a predetermined position of each of the sheet mounting members, and a fastening member for fastening the sheet fixing portion and the sheet, wherein the sheet fixing portion can be fastened to the sheet side by a fastening member. 5. The mounting structure for an automobile seat according to claim 4, wherein a plurality of fastening portions are provided at predetermined intervals in a height direction of the seat. 6. The sheet fixing device according to claim 1, wherein a plurality of engaging portions for engaging a fastening member with the sheet fixing portion are provided at predetermined intervals different from each fastening portion on the sheet side in a height direction of the sheet. Item 6. An automobile seat mounting structure according to Item 5.