JP2000108746A - Vehicular seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically prevent a seat from being lifted up when moved from a using condition to a storing condition, and to return it from the storing condition to the using condition without conducting a releasing operation for the prevention. SOLUTION: In this vehicular seat 10A in which a tip of a link 15 fixed rotatably to a floor 9 is linked to a seat frame 21, and which is allowed to move from a using condition to a storing condition or vise versa by guide of the link 15, a rotation preventing member 17 for preventing the vehicular seat 10A brought. from the using condition into the storing condition from rotating around the tip of the link 15 by an inertia action is laid between the seat frame 21 and the floor 9. Since only the member 17 is laid between the floor 9 and the seat frame 21, the seat 10A is returned from the storing condition to the using condition thereby without releasing the member 17 to enhance convenience for the vehicular seat 10A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an improvement in a vehicle seat such as a rear seat.

[0002]

2. Description of the Related Art FIGS. 10A to 10C are side views of a conventional vehicle seat. That is, a retractable rear seat 100 is shown as an example of a vehicle seat. 1A, a seat back 101 of a rear seat 100 in use is shown.
Is folded toward the seat cushion 102 as indicated by an arrow a1, and a hook 105 provided on the seat cushion 102 is removed from a hook fixing member 104 provided on the floor 103 side as indicated by an arrow a2. In (b), a stay 106 is attached to the floor 103, one end of a link 107 is rotatably attached to the stay 106, and a link 10 is attached to the seat cushion 102 side.
7 is rotatably mounted on the other end of the link 107 and rotated about one end of the link 107 as shown by an arrow b, and the folded rear seat 100 is stored on the floor 103. That is, the rear seat 1
00 is stored. As shown in (c), the rear seat 100 folded depending on the inertia of a vehicle (not shown)
The floor 1 is in the stowed state because it jumps up carelessly as shown by the arrow c.
Fixing means for fixing the seat cushion to the 03 side (not shown)
Was needed.

[0003]

However, if a fixing means (not shown) is provided to prevent the folded rear seat 100 from jumping up, the fixing means is required to return from the stored state to the use state. It is necessary to cancel, which is inconvenient. When the rear seat 100 is changed from the stored state to the used state
The operation of returning the rear seat 100 is to lift the rear seat 100. In consideration of the operation in a vehicle (not shown), the operation of returning from the storage state to the use state without releasing the fixing means is performed. I want to. Therefore, a vehicle seat that can prevent inadvertent jumping in the stored state and release the mechanism that prevented the jumping in a series of operations for returning from the stored state to the use state is desired.

[0004] That is, an object of the present invention is to automatically prevent the sheet from jumping up by shifting from the use state to the storage state, and to return from the storage state to the use state without performing a release operation for preventing this. A vehicle seat is provided.

[0005]

In order to achieve the above object, a first aspect of the present invention is to connect a tip of a link rotatably fixed to a floor to a seat frame, and to guide the link from a used state to a stored state or vice versa. In the vehicle seat that can be moved to the floor, a detent member that prevents the vehicle seat from the use state to the stowed state from rotating further around the tip of the link due to inertia action is hung on the floor and the seat frame. It is characterized by being handed over.

A vehicle seat is prevented from rotating around the tip of the link by the rotation stopping member when the rotation stopping member is bridged between the floor and the frame, and the storage state is changed from the use state to the vehicle storage state. The sheet was restrained.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Note that "before", "after",
“Left”, “right”, “up”, and “down” follow the direction viewed from the driver, and Fr indicates the front side, Rr indicates the rear side, L indicates the left side, and R indicates the right side. Also, the drawings should be viewed in the direction of reference numerals. FIG. 1 is a perspective view of a vehicle equipped with a vehicle seat according to the present invention. The vehicle 1 includes a driver's seat 2, a passenger's seat 3 arranged next to the driver's seat 2, and rear seats 10 </ b> A and 10 </ b> B as vehicle seats arranged after these seats 2 and 3. 4 is a steering wheel, 5 is a right front window glass, 6 is a right rear window glass, 7 is a left rear window glass, 8 is a tailgate, and 9 is a floor.

FIG. 2 is a perspective view of a vehicle seat according to the present invention. The rear seat 10A has a seat cushion 11
The seat back 12 is foldably attached to the seat cushion 11, the left and right support stays 13 and 14 are attached to the floor 9, and the left and right support stays 13 and 14 are connected to the seat cushion 11. Seat leg 15 as a link, seat cushion 11 and left support stay 13
Rod 17 as a rotation stopping member interposed between
And a sheet support structure 60 formed on the floor 9. Note that the rear seat 10B shown in FIG. 1 is symmetrical with respect to the rear seat 10A in the vehicle front-rear direction, and a detailed description thereof will be omitted.

The seat cushion 11 includes a cushion-side frame 21 as a seat frame, and a cushion 22 placed on the cushion-side frame 21. The cushion side frame 21 has one end of the main frame 23 attached to the right side of the U-shaped portion 24a of the substantially U-shaped pipe 24, and one end of the substantially U-shaped pipe 24 attached to the middle of the main frame 23. The other end and main frame 2
3 is connected to the other end of the substantially U-shaped pipe 24 by attaching a left stay 26 to the other end of the substantially U-shaped pipe 24.
A right stay 27 is attached to the other end of the U-shaped pipe, and a hook 29 is attached below the other end of the substantially U-shaped pipe 24.
The left and right seat leg support portions 32 and 33 are attached to the substantially U-shaped pipe 24, and the left and right seat leg support portions 32 and 33 are attached to the substantially U-shaped pipe 24. The rod support 34 is attached. 35 is a left cover and 36 is a right cover.

The seat back 12 includes a back frame 38.
And a back cushion 39 attached to the back frame 38. The back frame 38 is formed by connecting the vicinity of the distal end of the U-shaped pipe 41 with an intermediate pipe 42 and connecting the left and right connecting portions 43 and 44 to the distal end of the U-shaped pipe 41, respectively.

The left support stay 13 is formed by bending a sheet metal, and forms floor mounting portions 13a, 13a.
Leg support portions 13b, 13b are formed on both side surfaces, and a rod support portion 13c is formed on one side surface. The right support stay 14 is formed by bending a sheet metal, forms floor mounting portions 14a, 14a, and has leg support portions 1 on both side surfaces.
4b and 14b. The seat leg 15
One end 45a of the left leg 45 is rotatably attached to the left seat leg support portion 32, the other end 45b is rotatably attached to the left support stay 13, and one end 46a of the right leg 46 is attached to the right seat leg support portion 3.
3 and the other end 46b is connected to the right support stay 14
And the left leg 45 and the right leg 46 are connected by a horizontal pipe 47.

FIG. 3 is a side view of the rear seat, as viewed in the direction of arrow 3 in FIG. The hook 29 includes a hook main body 49, a release belt 51 attached to the hook main body 49, and a receiving metal fitting 52 applied to an upper portion of a hook fixing member 63, which will be described later. The hook body 49 is detached from the hook stopper 63 by pulling the hook body 49. 29a denotes a lower end of the hook 29, and 49a denotes a fulcrum of the hook body 49. The rod support portion 34 has a long hole 34a to be fitted to the rod 17, and includes the left and right legs 45, (46).
The rotation of the seat cushion 11 is restricted within a certain range around one end 45a, (46a) of the seat cushion 11a.

FIG. 4 is a sectional view taken along the line 4-4 in FIG. 3, showing the shape of the rod as viewed from the front. The rod 17 is a rod body 53
A floor-side rod holder 54 for inserting one end 53a of the rod body 53, a stopper member 55 for fixing the floor-side rod holder 54 to the rod body 53, and a sheet side for inserting the other end 53b of the rod body 53. A rod holder 56,
The seat-side rod holder 56 comprises a stopper member 57 for retaining the rod holder 53 to the rod body 53. 58 is the rod support member 3
4 is a washer interposed between the long hole 34a and the seat-side rod holder.

FIG. 5 is a perspective view of a rear seat support structure for a vehicle seat according to the present invention. Rear seat support structure 60
Is formed on the floor 9 with a step 9a formed one step higher, a slope 61 formed on the step 9a, and a recess 62 capable of storing the hook 29 (see FIG. 3) behind the slope 61 is formed. A hook stopper 63 is formed in the recess 62. The slope 61 is formed by forming a tapered convex portion 64 on the step portion 9a, and covering a sliding member 65 on the tapered convex portion 64.

FIG. 6 is a sectional view taken along the line 6-6 in FIG. 5, showing the sectional shapes of the floor 9, the sliding member 65 and the recess. 6 slopes
1. This indicates that the lower end of the hook 29 is substantially matched with the height of the upper surface 63a of the hook stopper 63. Sliding member 65
Is a plate-like member for reducing sliding friction, and has a curved surface portion 65a formed at one end for guiding the hook 29, and a corner portion 65b formed at the other end for guiding the hook 29.

The operation of the rear seat 10A described above will be described with reference to FIGS. FIGS. 7A to 7C are views for explaining a first operation of the vehicle seat according to the present invention, and show the rear seat 1.
FIG. The rear seat 10A shown in (a) is in use, the seat back 12 is in a raised state, and the hook 29 is hooked on a hook stopper 63. In (b), the seat back 12 is folded toward the seat cushion 11 as indicated by an arrow. In (c), the hook 29 is detached from the hook stopper 63 as shown by the arrow.

FIGS. 8A to 8C are views for explaining a second operation of the vehicle seat according to the present invention, and show side views of the rear seat 10A. (A), the folded rear seat 10
A slides on the slope 61 and starts moving toward the floor 9 as shown by the arrow. (B) is a storage state of the rear seat 10A, and shows the folded rear seat 10A already stored on the floor 9. In (c), for example, the rear seat 10 </ b> A is moved by the inertial action so that one end 45 of the left and right legs 45, (46).
If it is attempted to rotate around a and (46a) as indicated by an arrow, the other end 53b of the rod body 53 is regulated by the elongated hole 34a to prevent the rear seat 10A from rotating more than necessary.
Further, since the rear seat 10A is not stopped at the floor 9 side to prevent the rotation of the rear seat 10A, the operation of shifting from the use state to the storage state or from the storage state to the use state can be continuously performed. Therefore, the rear seat 10
The convenience of A can be improved.

FIGS. 9 (a) and 9 (b) are explanatory views of a third operation of the vehicle seat according to the present invention, and show a side view of the rear seat 10A. In (a), the rear sheet 10A is pulled while being lifted as shown by the arrow. When the rear seat 10A is returned from the stored state to the used state, a slope 61 is provided on the floor 9 so that the lower end of the hook 29 can be made to substantially match the height of the upper surface 63a of the hook stopper 63. The hook 29 can be easily hooked on the hook fixing member 63.
M indicates an operator. In (b), the rear seat 10A is lowered as shown by the arrow, and the hook 29 is hooked on the hook stopper 63.

In the embodiment, the vehicle seat is described as the rear seat 10A shown in FIG. 1. However, the present invention is not limited to the rear seat. For example, an intermediate three-row seat or a front seat may be used. In the embodiment, as shown in FIG. 2, the rod 17 as the rotation stopping member is arranged substantially parallel to the seat leg 15 as the link. However, the rod 17 is not necessarily substantially parallel, and may not be parallel to the link. Good. In addition, although the rotation stopping member is arranged in front of the link, it is not always necessary to arrange it in front of the link, but may be arranged behind the link.

[0020]

According to the present invention, the following effects are exhibited by the above configuration. According to the first aspect of the present invention, the detent member is suspended between the floor and the frame to prevent the vehicle seat from the used state to the stored state from rotating around the tip of the link due to inertia. Therefore, the vehicle seat can be returned from the stored state to the use state without releasing the rotation stop member, since the rotation stop member is merely hung between the floor and the seat frame, and the convenience of the vehicle seat is improved. Can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of an automobile equipped with a vehicle seat according to the present invention.

FIG. 2 is a perspective view of a vehicle seat according to the present invention.

FIG. 3 is a view taken in the direction of arrow 3 in FIG. 2;

FIG. 4 is a sectional view taken along line 4-4 in FIG. 3;

FIG. 5 is a rear seat support structure for a vehicle seat according to the present invention.

FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;

FIG. 7 is an explanatory view of a first operation of the vehicle seat according to the present invention.

FIG. 8 is a diagram illustrating a second operation of the vehicle seat according to the present invention.

FIG. 9 is an explanatory view of a third operation of the vehicle seat according to the present invention.

FIG. 10 is a side view of a conventional vehicle seat.

[Explanation of symbols]

9: floor, 10A, 10B: vehicle seat (rear seat), 15: link (seat leg), 17: detent member (rod), 21: seat frame (cushion side frame).

Claims (1)

[Claims] 1. A vehicle seat which is rotatably fixed to the floor by connecting a tip end of a link to a seat frame and can be moved from a use state to a storage state or vice versa by the guidance of the link. A vehicle seat characterized in that a rotation stopping member for suppressing further rotation of the vehicle seat around the leading end of the link by inertia action between the floor and the seat frame is provided between the floor and the seat frame.