JPH0629109Y2 - Vehicle seat mounting structure - Google Patents

Description

The present invention relates to a vehicle seat mounting structure, and more particularly to a vehicle seat mounting structure applied to a removable seat.

[Conventional technology]

Conventionally, as a vehicle seat mounting structure, an actual open sho 58-6 is used.
Japanese Patent No. 4526 is disclosed.

In this vehicle seat mounting structure, as shown in FIGS. 13 to 16, a seat back 112 is pivotally supported by a shaft 114 at the rear of the seat cushion 110 so as to be tilted toward the seat cushion 110. There is.
Further, the seat cushion 110 can be erected around a U-shaped striker 116 of the front rotating portion as a center of rotation, and the front rotating portion can detachably attach the front portion of the seat cushion 110 to the floor 118. It is a locking mechanism.

That is, the striker 116 is installed on the floor 118 of the vehicle.
A bifurcated bearing 122 is fixed to the lower surface of the seat cushion 110 in order to bite the horizontal portion 116 </ b> A of the recess 120. As shown in FIGS. 15 and 16, a hook 124 is rotatably attached to the bearing 122 by a pivot pin 126, and the hook 124 always bites the striker 116 by a coil spring 128. Is urged to.

Therefore, the bearing 122, the hook 124, and the coil spring 128 have a structure that serves as both a bearing mechanism and a locking mechanism.

However, in this vehicle seat mounting structure,
The hook 124 holds the seat cushion 110 on the striker 116. Therefore, when the seat cushion 110 is rotated around the striker 116 as the center of rotation, the seat cushion 110 resists the urging force of the coil spring 128 in the direction orthogonal to the axis of the striker 116, and the seat cushion 110 also moves. The 110 may move in the axial direction of the striker 116. Therefore, the rotation of the seat cushion 110 is not smooth.

In addition, in this vehicle seat mounting structure, the hook 1
24 is constantly urged by a coil spring 128 in a direction sandwiching the striker 116. Therefore, when the seat cushion 110 is attached to the striker 116, the coil spring 1 is operated by the operation knob 130.
It was necessary to hold the hook 124 in an open state against the urging force of the valve 28, and the operability of attaching the seat cushion 110 to the striker 116 was extremely poor.

[Problems to be solved by the device]

In consideration of the above facts, the present invention has an object to obtain a vehicle seat mounting structure in which the seat cushion can be smoothly rotated and the mountability to a striker can be improved.

[Means for Solving the Problems]

In order to achieve the above object, the present invention provides a round rod-shaped striker fixed to a vehicle body, and a cylindrical receiving portion having one end fixed to the striker and a sliding surface on the inner circumference of the other end. A rotating portion having a sliding contact surface on the outer periphery that is in sliding contact with the sliding surface of the cylindrical receiving portion, and a notch through which the striker can be inserted is formed in a direction perpendicular to the axis; A bracket to which a portion is fixed, a regulating means for regulating the position of the rotating portion at the fitting position of the cylindrical receiving portion and the rotating portion, and the seat body and the striker are locked by the regulating means. A seat mounting structure for a vehicle, comprising: locking means.

[Action]

In the present invention having the above-described structure, when the worker attaches the seat body to the vehicle body, the striker is inserted into the notch of the rotating portion of the bracket fixed to the seat body. Next, when the seat body is moved along the striker, the rotating portion and the tubular receiving portion fixed to the striker are fitted, and the sliding surface on the outer periphery of the rotating portion and the inside of the tubular receiving portion are fitted together. The sliding surface of the circumference contacts. Therefore, it is possible to prevent rattling of the seat body in a direction orthogonal to the axis of the striker. Further, when the rotating portion and the tubular receiving portion are fitted together, the restricting means regulates the position of the rotating portion to the fitting position between the cylindrical receiving portion and the rotating portion, and the locking means causes the seat body to strike the striker body. Lock on. Therefore, the movement of the seat body along the striker is prevented. Therefore, the seat cushion can be smoothly rotated. Further, by moving the seat body along the striker, the rotating portion and the tubular receiving portion are fitted together, so that the attachment to the striker is extremely easy.

〔Example〕

A first embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 2, the rear wheel house 1 of the vehicle body 10
The seat body 12 is detachably attached to the inside of the vehicle body 1 in the vehicle width direction from the vehicle body 10.

The seat body 12 includes a seat cushion 14 for seating an occupant and a seat back 16 for supporting the back of the occupant. The lower portions 16A of the seat back 16 in the vehicle width direction in the occupant seated state (state of phantom line in FIG. 2) are pivotally supported by the rear ends 14A of the seat cushion 14 in the vehicle width direction through hinges 18, respectively.
The seat back 16 can be brought into a passenger seated state or a folded state (state shown by a solid line in FIG. 2).

A lower portion 20A of the bracket 20 in the vehicle vertical direction is fixed to the vehicle width direction outer side surface 14B of the seat cushion 14. Further, on the upper surface 11A of the rear wheel house 11, a substantially L
A character-shaped striker 22 is horizontally fixed along the vehicle front-rear direction, and the bracket 20 of the seat cushion 14 is pivotally supported by the striker 22.

The upper portion of the bracket 20 in the vehicle vertical direction is bent at a right angle outward in the vehicle width direction to form a bent portion 20B.

Side plates 24 and 26 are fixed to both ends of the bracket 20 in the vehicle front-rear direction.

As shown in FIG. 3, the side plates 24, 26 have inner sides 24A, 26A in the vehicle width direction and upper sides 24B, 26B in the vehicle up-down direction, respectively.
It is fixed to 0A and the bent portion 20B. Also, the side plate 2
Semicircular cutouts 28A and 28B are formed in the vehicle width direction outer side (oblique side) 24C and 26C of Nos. 4 and 26, respectively.
A semi-cylinder 32 serving as a rotating portion and a regulating unit is fixed to 28B.

At the rear end portion of the semi-cylindrical 32 in the vehicle front-rear direction, the collar portion 32
A is formed, and the collar portion 32A has side plates 24,
They are fixed to 26 from the rear side in the vehicle front-rear direction.
That is, the semi-cylinder 32 is fixed to the bracket 20 with the opening facing outward in the vehicle width direction.
Can be inserted into the half cylinder 32 through this opening.

As shown in FIG. 1, a pair of cylinders 34 as cylindrical receiving portions are fixed to both ends of the striker 22 in the vehicle front-rear direction, and the vehicle front-rear direction front end portions 34A of these cylinders 34 are It is fixed to the striker 22.

A rear end portion of the cylinder 34 in the vehicle front-rear direction is a large diameter portion 34B, and an inner peripheral surface of the large diameter portion 34B is a sliding surface 34C with the semi-cylindrical 32. In addition, the cylinder 34 and the half cylinder 3
When 2 and 3 are fitted, the outer peripheral surface 32B as the sliding surface of the semi-cylindrical 32 comes into contact with the sliding surface 34C. Accordingly, the semi-cylindrical 32 is configured to rotate about the striker 22 as a rotation center by the outer peripheral surface 32B slidingly contacting the sliding surface 34C of the cylinder 34.

A pair of brackets 36, 38 are fixed to the lower portion 20A of the bracket 20 at the center in the vehicle front-rear direction. The horizontal cross-sectional shape of these brackets 36, 38 seen from the vehicle vertical direction is bent into a substantially L shape, and the mounting portions 36A, 38A constituting one of the bent portions are respectively the vehicle front-rear direction front side and the vehicle front-rear direction. Bracket 2 towards the rear
It is stuck at 0. Also, these brackets 36,
The standing portions 36B and 38B forming the other bent portion of 38 are arranged in parallel, and the standing portion 36B and the standing portion 3
A lock member 40 as a part of the lock means is inserted between the lock member 40 and 8B.

A shaft support pin 42 extends through a central portion 40C of the lock member 40, and the lock member 40 is rotatably supported by the shaft support pins 42 on the upright portions 36B and 38B of the brackets 36 and 38. There is.

As shown in FIG. 4, the locking member 40 is substantially L-shaped, and one end 40A has an arcuate cutout 4a.
1 is formed, and the edge portion of the notch 41 engages with the lock positioning member 60 as a part of the cylindrical locking means fixed to the striker 22.

Further, at the tip of the other end 40B of the locking member 40,
Pin 4 toward the front side (front side in Fig. 4) of the vehicle front-rear direction
4 are erected. The pin 44 is inserted into an arc-shaped long hole 48 formed in one end portion 46A of the curved cam member 46, and is movable along the long hole 48.

One end 50A of the tension coil spring 50 is locked to the other end 46B of the cam member 46 via a spring locking pin 52, and the other end 50B of the tension coil spring 50 is The end 40 of the locking member 40
It is locked to A via a spring locking pin 54.

Further, as shown in FIG. 1, in the central bent portion 46C of the cam member 46, the bracket 57 and the bracket 36, which are erected on the bracket 20 toward the outer side in the vehicle width direction (front side in the drawing of FIG. 1), One end portion 56A of the operation shaft 56, which is rotatably supported by the shaft 38, is fixed.

Therefore, when the operating shaft 56 is rotated in the clockwise direction (arrow A direction) in FIG. 4 against the biasing force of the tension coil spring 50, the cam member 46 operates integrally with the operating shaft 56. It rotates in the direction of arrow A with the shaft 56 as the center of rotation. As a result, one end 48A of the elongated hole 48 abuts the pin 44, and the locking member 40 moves in the counterclockwise direction (arrow B direction) in FIG.
It is designed to rotate to.

Further, as shown in FIG. 1, the other end portion 56B of the operation shaft 56 is bent at a right angle and an operation knob 58 is attached. By rotating the operation knob 58, the operation shaft 56 is moved. , FIG. 4 is designed to rotate in the arrow A direction and the counter arrow A direction.

Lock positioning member 60 fixed to the striker 22
A ring groove 62 is formed in the front end portion 60A of the vehicle front-rear direction, and in the state where the semi-cylinder 32 and the cylinder 34 are fitted (state of FIG. 1), the ring member 62 is fitted into the ring groove 62. The edge of the notch 41 has entered.

In addition, the vehicle front-rear direction rear end portion 60 of the lock positioning member 60
In B, the shaft diameter is gradually increasing, and the locking member 40
The edge portion of the notch 41 prevents the lock positioning member 60 from coming off from the vehicle front-rear direction rear end portion 60B when the outer periphery of the lock positioning member 60 slides rearward in the vehicle front-rear direction.

Further, as shown in FIG. 2, a pair of leg portions 64 project in the vehicle front-rear direction toward the vehicle vertical direction lower side at the vehicle width direction inner end portion 14C of the seat cushion 14,
Seat cushion 14 seated on passenger (state shown in FIG. 2)
In this case, the seat cushion 14 is kept horizontal.

On the other hand, the inner end 14C of the seat cushion 14 in the vehicle width direction
A hook 66 projects inward in the vehicle width direction. That is, the seat back 16 is in the folded state (second
When the seat cushion 14 is rotated upward in the vehicle up-down direction about the striker 22 as a center of rotation and is in an upright state, the hook 66 is a locking member provided on the side wall of the passenger compartment. (Not shown), the seat body 12 is retained in an upright state.

Next, the operation of this embodiment will be described.

When the operator attaches the seat body 12 to the vehicle body 10, the striker 22 is inserted into the half cylinder 32 of the bracket 20 and the edge of the notch 41 of the lock member 40 is brought into contact with the outer peripheral surface of the lock positioning member 60. Let

Next, the seat body 12 is moved along the striker 22 to the front of the vehicle. As a result, the half cylinder 32 of the bracket 20 is fitted into the large diameter portion 34B of the cylinder 34 fixed to the striker 22, and the outer peripheral surface 32B of the half cylinder 32 and the cylinder 3 are joined together.
The sliding surface 34C of No. 4 contacts.

Further, as the seat body 12 moves forward along the striker 22 in the vehicle front-rear direction, the notch 4 of the locking member 40 is generated by the urging force of the tension coil spring 50.
The edge portion of No. 1 is inserted into the ring groove 62 of the lock positioning member 60. Therefore, the seat body 12 can be attached to the vehicle body 10 very easily.

Further, since the lock member 40 and the lock positioning member 60 prevent the seat body 12 from moving in the vehicle front-rear direction, the seat body 12 does not move in the axial direction of the striker 22. Further, since the outer peripheral surface 32B of the semi-cylinder 32 is fitted in the large diameter portion 34B of the cylinder 34, rattling of the seat body 12 in the direction orthogonal to the axis of the striker 22 can be prevented. Therefore, when the operator rotates the seat body 12 with the striker 22 as the center of rotation, the seat body 12 can be rotated very smoothly.

When the seat body 12 is removed from the striker 22, the operation knob 58 is rotated in the direction of arrow A against the biasing force of the coil spring 50, and the lock member 40 is rotated in the direction of arrow B (fourth position). The state of the virtual line in the figure). In this state, the seat body 12 is moved rearward along the striker 22 in the vehicle front-rear direction. As a result, the cylinder 34
The seat body 12 can be removed from the striker 22 by disengaging the half cylinder 32 from the.

Next, a second embodiment of the present invention will be described with reference to FIGS.

The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIGS. 5 to 8, the bracket 68 is provided at the lower center of the bending portion 20B of the bracket 20 in the vehicle front-rear direction.
Is stuck. A cross-sectional shape of the bracket 68 as viewed from the vehicle front-rear direction is a U-shape, and the opening is directed downward in the vehicle vertical direction. This bracket 68
A vehicle front-rear direction front end portion 70A of the stopper 70 serving as a locking means is inserted from the lower side in the vehicle up-down direction inside the U-shape.

The end portion 70A of the stopper 70 has a U-shaped cross section as viewed from the vehicle front-rear direction, and the opening portion is directed downward in the vehicle vertical direction. In addition, the end portion 7 of the stopper 70
0A is pivotally supported by the bracket 68 by the pivot pin 72, and is rotatable in the clockwise direction (arrow C direction) and the counterclockwise direction (arrow B direction) in FIG.

On the other hand, at the vehicle front-rear direction rear end portion 70B of the stopper 70,
One end 74A of the lock release band 74 is fixed. The other end 74B of the lock release band 74
Penetrates a rectangular notch 74 formed in the bent portion 20B of the bracket 20.

Further, as shown in FIG. 8, a coil spring 80 is wound around the shaft support pin 72. One end of the coil spring 80 is bent in an L shape to form a hook 80A. The hook 80A penetrates a notch 82 formed in the end 70A of the stopper 70 and is locked to the end 70A of the stopper 70.

The other end of the coil spring 80 is bent in an L shape to form a hook 80B. This hook 80
As shown in FIG. 7, B penetrates the notch 82 and is in contact with the bent portion 20B of the bracket 20.

Therefore, when the end portion 74B of the lock release band 74 is pulled up to the upper side in the vehicle vertical direction against the biasing force of the coil spring 80, the vehicle front-rear direction rear end portion 70B of the stopper 70 holds the shaft support pin 72. It is adapted to rotate counterclockwise in FIG. 6 (direction of arrow D) as the center of rotation.

Further, the semi-cylinder 32 is fixed to the bracket 20 with its opening facing downward in the vehicle vertical direction.
Is fitted into the cylinder 34 of the striker 22 (6th
(State of imaginary line), the vehicle front-rear direction rear end portion 70B of the stopper 70 is urged by the coil spring 80.
FIG. 6 The front side surface 3 in the vehicle front-rear direction of the large diameter portion 34B of the cylinder 34 on the rear side in the vehicle front-rear direction, which is rotated clockwise (direction of arrow C)
4D is abutted to prevent the seat body 12 from moving rearward in the vehicle front-rear direction. In this state, the movement of the seat body 12 to the front side in the vehicle front-rear direction is prevented by the abutment of the bracket-side half cylinder 32 and the striker-side cylinder 34.

In addition, a protrusion 76A protrudes from the center of the notch 76 in the longitudinal direction. The projecting portion 76A is inserted into a long hole 78 formed along the longitudinal direction of the lock releasing band 74 in the central portion of the lock releasing band 74 so that the lock releasing band 74 does not fall out from the notch 76. ing.

Therefore, when the seat body 12 is attached to the striker 22, the striker 22 is attached to the half cylinder 32 of the bracket.
And the end portion 70B of the stopper is brought into contact with the outer peripheral surface of the large diameter portion 34B of the cylinder 34, and the seat body 12
Is attached to the striker 22, and the seat body 12 is moved to the front side in the vehicle front-rear direction. As a result, the end portion 70B of the stopper 70 is rotated in the direction of arrow C in FIG. 6 by the urging force of the coil spring 80, and the cylinder 34 on the rear side in the vehicle front-rear direction is rotated.
The large diameter portion 34B contacts the front side surface 34D in the vehicle front-rear direction. Therefore, the movement of the seat body 12 along the striker 22 is prevented while the half cylinder 32 is fitted in the cylinder 34.

When removing the seat body 12 from the striker 22, the seat body 12 is moved rearward along the striker 22 in the vehicle front-rear direction while the lock release band 74 is pulled up in the vehicle up-down direction. Is removed from the striker 22.

That is, in this embodiment, as compared with the first embodiment, the strength of the support structure of the stopper 70 against the external force acting in the axial direction of the striker 22 is improved, and
Compared to the first embodiment, the support structure for the stopper 70 is simple, and the weight and cost can be reduced.

Next, a third embodiment of the present invention will be described with reference to FIGS.

The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIGS. 9 and 10, the semi-cylindrical 32 fixed to the vehicle front-rear direction rear side surface 24 of the bracket 20 with the opening facing downward in the vehicle up-down direction is provided with a stopper 84 as a locking means. The rear end portion 84A of the vehicle front-rear direction is the semi-cylindrical 3
The shaft 2 is rotatably supported in the clockwise direction (arrow E direction) and the counterclockwise direction (arrow F direction) in FIG. 9 by shaft support pins 86A and 86B.

A coil spring 88 is wound around the shaft support pin 86A on the outer side in the vehicle width direction, and one end portion 88A of the coil spring 88 is attached to the end face of the shaft support pin 86A.
It is fitted in a groove 90 formed along the diameter of 6A. The other end of the coil spring 88 is bent into an L shape to form a hook 88B.
Is locked to the vehicle top-bottom direction upper side surface 84B from above the vehicle top-bottom direction.

Therefore, the stopper 84 is biased and rotated in the direction of arrow F in FIG. 9 by the coil spring 88.

On the other hand, the vehicle front-rear direction front end portion 84C of the upper side surface 84B of the stopper 84 has one end portion 74 of the lock release band 74.
A is stuck. Therefore, the vehicle front-rear direction front end portion 84C of the stopper 84 pulls the lock release band 74 upward in the vehicle up-down direction against the urging force of the coil spring 88, so that the shaft support pins 86A and 86B are used as rotation centers. It is adapted to rotate in the direction of arrow E.

As shown in FIG. 10, a rectangular notch 92 is formed in the vehicle upper and lower side surface 84B of the stopper 84. That is, when the semi-cylinder 32 of the bracket 20 is not fitted to the cylinder 34 fixed to the striker 22, the stopper 84 contacts the outer peripheral surface of the large diameter portion 34B of the cylinder 34 as shown in FIG. Touching.

On the other hand, the half cylinder 32 of the bracket 20 is the striker 22.
In the state of being fitted in the cylinder 34 fixed to the seat 34, as shown in FIG. 12, the upper end of the large diameter portion 34B of the cylinder 34 enters into the notch 92, and the stopper 84 causes the striker 22 of the seat body 12 to move. It is designed to prevent movement along.

Therefore, in this embodiment, the stopper mounting bracket 68 of the second embodiment can be omitted, and the weight of the stopper support structure can be further reduced as compared with the second embodiment.

[Effect of device]

Since the present invention has the above-mentioned structure, it has an excellent effect that the seat cushion can be smoothly rotated and the mountability to the striker can be improved.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a vehicle seat mounting structure of a first embodiment of the present invention, FIG. 2 is a schematic perspective view showing a vehicle seat mounting structure of a first embodiment of the present invention, and FIG. First of the present invention
FIG. 4 is a partially omitted exploded perspective view showing the vehicle seat mounting structure of the embodiment, and FIG. 4 is a side view seen from the vehicle front-rear direction showing a part of the vehicle seat mounting structure of the first embodiment of the present invention. FIG. 7 is a partially omitted exploded perspective view showing a vehicle seat mounting structure of a second embodiment of the present invention, FIG. 6 is a side sectional view showing a vehicle seat mounting structure of a second embodiment of the present invention, and FIG. Figure 6 VII-V
II line sectional view, FIG. 8 is an exploded perspective view showing a vehicle seat mounting structure of the second embodiment of the present invention, and FIG. 9 is a side sectional view showing a vehicle seat mounting structure of the third embodiment of the present invention. FIG. 10 is a partially omitted exploded perspective view showing a vehicle seat mounting structure according to a third embodiment of the present invention, and FIG. 11 is a sectional view taken along line XI-XI in FIG.
FIG. 12 is a sectional view taken along the line XII-XII in FIG. 9, FIG. 13 is a perspective view showing a conventional vehicle seat mounting structure, and FIG. 14 is a schematic side view showing a conventional vehicle seat mounting structure. Is a partially enlarged side view showing a conventional vehicle seat mounting structure,
FIG. 6 is a sectional view taken along line XVI-XVI in FIG. 10 ... Body, 12 ... Seat body, 14 ... Seat cushion, 16 ... Seat back, 20 ... Bracket, 22 ... Striker, 32 ... Half cylinder, 34 ... Cylinder, 40 ... Lock member, 60: Lock positioning member, 70, 84: Stopper.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoji Amano 25, Uetoike, Yoshihara-cho, Toyota City, Aichi Prefecture, Arako Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A round rod-shaped striker fixed to a vehicle body, a cylindrical receiving portion having one end fixed to the striker and having a sliding surface on the inner circumference of the other end, and the cylindrical shape on the outer circumference. A rotating portion having a sliding contact surface that is in sliding contact with the sliding surface of the receiving portion, the notch through which the striker can be inserted is formed in a direction perpendicular to the axis, and a bracket provided on the seat body and to which the rotating portion is fixed. A regulating means for regulating the position of the rotating portion at the fitting position of the tubular receiving portion and the rotating portion, and a locking means for locking the seat body and the striker by the regulating means. A vehicle seat mounting structure characterized in that