JP2001039191A - Fixing device on floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely fall a securing hook on the in-cabin side, and prevent the securing hook from being collapsed even when the securing hook is erected, and a rear seat is collapsed on the securing hook. SOLUTION: These devices are installed on a frame 18 continuously in the width direction, and comprise a board 61 with an opening-like securing hook through hole 52 provided in both end parts on an automobile body side, a rear seat 11 which is installed on the board 61 and folded forward, a securing hook 51 which is fitted to a frame below the securing hook through hole 52 at a lower part of the board 61, and movable from a condition that a free end is collapsed on the frame to a condition where the free end is erected from the frame, a securing stopper to regulate the securing hook 51 so as to be inclined to the in-cabin side even when the securing hook 51 rotated by a securing hook rotary shaft is erected in a most closely perpendicular condition, and a securing body stretched between the securing hooks 51.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-floor fixing device for fixing a load on a floor to the floor. More specifically, the present invention relates to an on-floor fixing device for fixing, to a floor, a load to be loaded on a floor suitable for use as a vehicle seat such as an automobile rear seat which can be folded forward. More specifically, the present invention relates to an on-floor fixing device for fixing a load loaded on a floor suitable for use as a vehicle seat forming a flat vehicle compartment floor by folding a rear seat to the floor.

[0002]

2. Description of the Related Art A conventional automobile seat which can be folded down by a seat lock device for a rear seat has a structure as shown in a perspective view in FIG. That is, 101 is a seat portion of the conventional automobile rear seat, and 102 is a backrest of the conventional automobile rear seat. Reference numeral 103 denotes a seat hinge that forms a rotation axis when rotating and tilting the entire rear seat. The seat hinge 103 is installed at the lower front end of the rear seat. 104 is a seat lock. The seat lock 104 is installed below the rear end of the seat section 101, which is the rear seat side of the rear lower end of the rear seat. 105
Is a striker, which protrudes from the vehicle floor 106 corresponding to the position of the seat lock 104 when the rear seat is standing.

[0003] When a seating state used for sitting is set on the rear seat, the seat surface of the seat portion 101 is set upright with the seat surface facing upward, and the backrest 102 is also set upright. At this time, the striker 105 and the seat lock 104 are locked, and the seat is fixed to the floor of the vehicle.

[0004] When the rear seat is to be lowered, the backrest 102 is tilted toward the seat 101 as shown by an arrow in FIG.
Next, the lock between the striker 105 and the seat lock 104 is released. Next, the backrest 102 and the seat portion 101 are rotated forward with the seat hinge 103 as the center of rotation as shown by the arrow in FIG. 10, and the seat surface of the seat portion 101 and the backrest surface of the backrest 102 are turned downward. As a result, a flat floor surface including the bottom surface of the seat portion 101 is obtained. Below the flat floor surface, there is provided a vault for a vehicle seat including a space. The load is loaded on the flat floor. In order to prevent the load from moving on the floor, it is necessary to fix the floor to the floor with a securing member such as a belt or a net. The lashing body is fixed by the lashing hook. The lashing hook is attached to a flattened hook rotating shaft that is rotatable in the width direction of the vehicle body, which is fixed to a frame under the floor, and raises the seat from the state where the free end is fallen down by the seat raising frame. It can be moved 180 degrees from the frame to a standing state.

[0005]

[Problems to be solved by the present invention]
In the conventional fixing device on the floor surface, the lashing hook is attached to a lashing hook rotating shaft that is rotatable in the width direction of the vehicle body fixed to the frame below the flat floor, so that the free end raises the seat. It can be moved 180 degrees from a state of being laid down on the frame to a state of being erected from the seat raising frame. Therefore, when the lashing hook is standing and the rear seat falls down from above,
With the lashing hook rotation axis as the center of rotation, there is a problem that the free end falls down toward the center of the vehicle body compartment or outside the vehicle compartment.

[0006]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a floor surface which is installed side by side in the width direction above an automobile body floor frame, and has an opening-shaped securing hook through hole at both ends of the automobile body. Board, a rear seat installed on the board and foldable forward, and attached to the frame side below the securing hook through hole at the bottom of the board, and are rotatable by a securing hook rotating shaft in the width direction of the vehicle body. In this way, the securing hook that can move from the state where the free end is tilted down to the frame side to the state where it is erected from the frame side, and the securing hook that is rotated by the securing hook rotation shaft are in the most vertical state Even if it is set to a state close to, it is bridged between the lashing hooks and the lashing stoppers that regulate the lashing hooks so as to take an inclined state toward the indoor side. Floor on a stationary apparatus characterized by comprising a Bakutai provides.

[0007] Even when the securing hook rotated by the securing hook rotating shaft is set to the state closest to the vertical state, the securing hook is regulated by the securing stopper so as to be inclined toward the indoor side. ing. Therefore, even when the rear seat is fallen on the lashing hook with the lashing hook raised, the lashing hook always falls down to the indoor side.

[0008]

FIG. 1 is a perspective view of a rear seat according to an embodiment of the present invention, FIG. 2 is a perspective view of an operating state of the rear seat, FIG. 3 is a partially enlarged view of the rear seat, 4 and 5, FIG. 6 showing a side view of the rear seat in an upright state, FIG. 7 showing a side view of the rear seat in an intermediate tilting state, FIG. 8 showing a side view of the rear seat in a tilting state, FIG. FIG. 9 showing a partially enlarged front view of the lock mechanism of the rear seat, FIGS. 11 and 12 showing a perspective view of the seat raising frame, and FIG. 13 showing a perspective view of the vehicle seat lowering compartment, and FIG. FIG. 14 showing a partially enlarged view of FIG. 14, FIG. 15 showing a partially enlarged perspective view of a board opening / closing hinge of a vehicle seat lower compartment, FIG. 16 showing a partially enlarged perspective view of a vehicle seat lower compartment, FIG. 17 is a perspective view of the fixing device on the floor, FIG. 18 is a partially enlarged sectional view of the fixing device on the floor, FIG. 19 is a perspective view of a securing hook which is a component diagram of the fixing device on the floor. 20 and FIG. 21 showing a front view of the lashing hook.

Reference numeral 41 denotes an automobile body floor frame. 1
Reference numeral 8 denotes a sheet raising frame. The seat raising frame 18 is installed and fixed on the vehicle body floor frame 41 under the rear seat 11 installation position in the upright state. The outer frame of the seat raising frame 18 has a substantially bottom outer peripheral shape of the rear seat 11, a space portion 42 is provided inside, and the floor surface 17 is installed at an upper portion.

Reference numeral 11 denotes a seat, which in this embodiment comprises a rear seat for an automobile. The rear seat 11 is mounted on the floor 17 on the side of the vehicle body floor frame 41 which is a main body. The two rear seats are installed side by side in the width direction of the vehicle body as shown in FIG. An automobile front seat is installed at the front of the automobile rear seat 11, and a luggage space is provided at the rear of the automobile rear seat 11. 12 is a backrest of the seat 11, and 13 is a headrest. Headrest 1
3 is attached to the upper part of the backrest 12.

Reference numeral 14 denotes a seat portion of the seat 11. A total of two seats 14 are installed side by side on a floor surface 17 in an automobile interior, which is installed on a seat raising frame 18 of the automobile body. In this embodiment, the seat portion 14 is installed on a floor surface 17 on a seat raising frame raised above a floor frame surface of an automobile body. Reference numeral 15 denotes a seat rotation axis. The seat rotation shaft 15 is attached to the front end side of the seat portion 14, and is rotatably attached to the seat body raising frame 18 of the automobile body via a hinge 16 by the seat rotation shaft 15. Therefore, the seat portion 14
Can be selected from a standing state in which the seat surface is directed upward and a tiltable state in which the seat is rotated forward with the seat rotation shaft 15 as the center of rotation. The backrest 12 is attached to the rear portion of the seat portion 14, and the backrest 12 is rotated about a rotation axis of the backrest rotation shaft 9 which is an attachment portion to the seat portion, so that the backrest 12 has the same two points as the standing state shown by the solid line in FIG. The tiltable state shown by the chain line can be selected.

Reference numeral 19 denotes a striker. Striker 1
Numeral 9 is installed horizontally at the lower end of the rear portion of the rear seat 11 in the width direction of the vehicle body. Striker 19
It is attached to the seat portion 14 at a position behind the seat rotation shaft 15 and corresponding to the lock mechanism 21 when the seat is erected.
Reference numeral 20 denotes a lock mechanism projecting hole. Lock mechanism protrusion hole 2
0 is opened in the floor surface 17 in the shape of a long hole in the front-back direction.

Reference numeral 21 denotes a lock mechanism. Lock mechanism 2
As shown in FIGS. 9 and 12, one end of the seat 1 is locked by a lock rotation shaft 23 via a bracket 22 which is substantially plate-shaped and is fixed to a seat raising frame 18 which is a floor frame of an automobile body. It is rotatably attached to the raising frame 18. At the end opposite to the end where the lock rotation shaft 23 of the lock mechanism 21 is provided, an open striker fitting portion 24 is provided. 25 is a striker locking hook, and 26 is a striker locking hook rotating shaft.
The striker locking hook 25 is rotated about a striker locking hook rotation shaft 26 as a center of rotation. The striker locking hook 25 is always urged in a direction to close the striker fitting portion 24. 27 is a lock release link, and 28 is a lock release strap. By pulling the lock release strap 28, the lock release link 27 is operated, and the striker locking hook 25 is rotated around the striker locking hook rotation shaft 26 so as to open the striker fitting portion 24.

That is, the striker 19 is inserted into the striker fitting portion 24 while the striker fitting portion 24 is opened or opened, and then the striker locking hook 25 is rotated about the striker locking hook rotating shaft 26 as a rotation center. The seat portion 14 is fixed to the seat raising frame 18 side by rotating and closing the striker fitting portion 24. The striker locking hook 25 is rotated about the striker locking hook rotation shaft 26 as a rotation center so as to open the striker fitting portion 24, the striker fitting portion 24 is opened, and the striker 19 is removed from the striker fitting portion 24. Then, the seat portion 14 is released from being fixed to the seat raising frame 18 side.

Reference numeral 30 denotes a stopper. Stopper 30
Is provided on the side surface of the bracket 22 and abuts against the side surface of the lock mechanism 21 which takes the horizontal state when the seat 11 is folded down, and positions the horizontal state of the lock mechanism cover 29.

Reference numeral 31 denotes a lock mechanism rod. One end of the lock mechanism rod 31 is attached to a position eccentric from the lock rotation shaft 23 of the lock mechanism 21. 32 is
This is a lock mechanism hook. The lock mechanism hook 32 is made of plastic, has a locking portion below the distal end, and is attached to the distal end which is the other end of the lock mechanism rod 31. The lock mechanism hook 32 is connected to the lock mechanism rod 31.
And a pressing spring 33 that constantly urges the lock mechanism rod 31 in the direction of the bracket 22, and constantly urges the lock mechanism rod 31 in the direction of the lock mechanism hook 32 with a lower urging force than the pressing spring 33. It is connected via a preparation spring 34 that absorbs a variation in operation. The pressing force of the locking mechanism rod 31 in the direction of the lock rotation shaft 23 by the pressing spring 33 and the rotational force of the locking mechanism 21 in the direction of the stopper 30 due to the pressing force are further increased by the contact between the locking mechanism 21 and the stopper 30. Movement is blocked.

Reference numeral 29 denotes a lock mechanism cover. The lock mechanism cover 29 is made of a plate-shaped body having the same shape as the elongated lock mechanism protrusion hole 20 on the front surface side. Lock mechanism cover 2
9 is such that the further movement is prevented by the contact between the stopper 30 and the lock mechanism 21 so that in the movement inhibited state, the seat 11 takes a position corresponding to the lock mechanism protrusion hole 20 when the seat 11 is folded down. Is attached to the side surface of the lock mechanism 21 as shown in FIG. That is, in this embodiment, the lock mechanism 21
Is upright when the seat 11 is standing, but falls horizontally when the seat 11 is tiltable.
Is attached to the side surface of the lock mechanism 21 so as to be vertical when the seat 11 is standing and horizontal when the seat 11 is tiltable.

Therefore, when the lock mechanism 21 of the seat 11 is stored in the floor 17 of the main body, the lock mechanism protrusion hole 2
0 is covered with a lock mechanism cover 29, and the lock mechanism projecting hole 2 is set in a state where the seat 11 is moved from above the floor surface 17.
The lock mechanism 21 inside is not exposed from zero.

Reference numeral 35 denotes a hinge fixing bracket. The hinge fixing bracket 35 is connected to the seat raising frame 18.
Fixed to 36 is a hinge rotation axis. The hinge rotation shaft 36 rotatably attaches the hinge 16 to the hinge fixing bracket 35. 37 is a hook locking shaft.
The hook locking shaft 37 is provided at the opposite end of the hinge 16 between the hinge rotation shaft 36 and the seat rotation shaft 15. The tip of the lock mechanism hook 32 is fitted to the hook locking shaft 37. When the rear seat 11 is standing, the hinge 16 is
It is rotated about the hinge rotation shaft 36 as a center of rotation and stands upright as shown in FIG. When the rear seat 16 is in a retractable state, the hinge 16 is rotated about the hinge rotation shaft 36 as a center of rotation, and is in a horizontal state as shown in FIG.

Reference numeral 8 denotes a retaining pin. The retaining pin 8 projects from the hinge 16 in parallel with the hinge rotation axis 36 and perpendicular to the hinge 16. A hinge rotation shaft 36 serving as a rotation center for rotating the hinge 16;
The retaining pin 8 is attached to a hinge 16 at an intermediate position with the hinge 7. The attachment position of the retaining pin 8 is
When the rear seat 11 is in the vertical state, that is, when the rear seat 11 is in the standing state as shown in FIG. Therefore, the retaining pin 8 is located above the locking mechanism hook 32 whose tip is locked to the hook locking shaft 37, and prevents the locking mechanism hook 32 from falling off from the hook locking shaft 37. Pin 8 blocks. On the other hand, the attachment position of the retaining pin 8 is determined when the hinge 16 takes a horizontal state,
As shown in FIG. 5, when the rear seat 11 is folded down, the rear seat 11 is located above and forward of the hook locking shaft 37. Therefore, the retaining pin 8 is not located above the lock mechanism hook 32 whose tip is locked to the hook locking shaft 37, and there is no obstacle above the hook locking shaft 37. Therefore, there is no obstacle when the rear seat 11 is folded down and the locking mechanism hook 32 is locked to the retaining pin 8 in the manufacturing process.

Therefore, in this embodiment, the lock mechanism 21 has the following operation. When the seat 11 is to be in a retractable state, the backrest 12 is rotated about a rotation axis 9 of the backrest, which is a mounting portion to the seat portion 14, to cause the backrest 12 to select the retractable state. Next, by pulling the unlocking strap 28, the unlocking link 27
Is operated to rotate the striker locking hook 25 around the striker locking hook rotation shaft 26 so as to open the striker fitting portion 24. Then, the striker fitting portion 24 is opened, the striker 19 is locked from the striker fitting portion 24, and the seat portion 14 is released from being fixed to the seat raising frame 18, thereby locking the seat 11. 21 and the seat 14
Is rotated forward about a seat rotation shaft 15 provided on the front end side to be tiltable.

The lock mechanism rod 31 is connected to the lock rotation shaft 2.
By being moved in the three directions, the lock mechanism 21 rotates about the lock rotation shaft 23 as a rotation center, brings the lock mechanism 31 to a horizontal state, and stores the lock mechanism 31 in the floor surface 17 of the main body.

On the other hand, when the seat 11 is to be in a seated state, the seat section 14 is to be in a standing state with the seat surface facing upward. That is, when the lock mechanism rod 31 is moved in the direction of the hinge fixing bracket 35 and the lock mechanism hook 32, the lock mechanism 21 rotates about the lock rotation shaft 23 as a rotation center, and stands the lock mechanism 31 in a vertical state. The distal end is made to protrude from the lock mechanism protruding hole 20 from the main body. At this time, the lock mechanism 21 of the seat 11 projects from the floor surface 17 of the main body. On the other hand, the striker 19 provided on the seat is mounted on the seat 14 at a position corresponding to the lock mechanism 21 when the seat is standing. Therefore, the lock mechanism 21 and the striker 19 are locked, and the seat 11 is fixed to the main body floor 17. That is, while the striker fitting portion 24 is opened or opened,
The striker 19 is inserted into the striker fitting portion 24, and then the striker locking hook 25 is rotated around the striker locking hook rotation shaft 26, and the seat portion 14 is raised by closing the striker fitting portion 24. It is fixed to the frame 18 side.

When the lock mechanism 21 is in a horizontal state, and the lock mechanism cover 29 is also in a horizontal state to form a flat luggage-loading surface, the lock mechanism rod 31 is kept loaded with the load from the lock mechanism 21. Is moved in the direction of the lock mechanism hook 32, the tip of the lock mechanism 21
An attempt is made to protrude from the lock mechanism protruding hole 20, but this is blocked by the load. The operation of the lock mechanism rod at that time is absorbed by the pressing spring 33 that constantly urges the lock mechanism rod 31 toward the bracket 22.

Then, the seat locking mechanism is stored in the floor 17 of the main body, and a flat floor including the bottom of the seat portion 14 and reaching the luggage space is obtained.
The distal end of the lock mechanism 21 does not protrude from the floor surface 17 until the angle between the seat portion 14 and the vehicle floor is substantially vertical. Therefore, even in this state, the load can be loaded on the floor, and the loadability is improved.

Reference numeral 61 denotes a board. The board 61 is arranged side by side in the width direction of the vehicle body, and forms the floor surface 17 by covering an upper portion of the space portion 42. Board 61 is 2
It is installed below the rear seats 11. 62 is a hinge for opening and closing the board. The hinge 62 for opening and closing the board is 2
The two boards 61 are installed between the boards 61, and the ends of the two boards 61 on the vehicle body center side are rotatably mounted.

Reference numeral 63 denotes a hinge rotation axis. The hinge rotation shaft 63 is installed between the two boards 61 in the front-rear direction of the passenger car body as shown in FIG. 64 and 65 are board fixing surfaces of the hinge 16. The board fixing surface 64 and the board fixing surface 65 are attached to the same hinge rotation shaft 63, respectively. Therefore, the space can be omitted. The right board 61 is fixed to the board fixing surface 64, and the left board 61 is fixed to the board fixing surface 65. Reference numeral 67 denotes a body-side base which is fixed to the seat raising frame 18. 68 is a hinge stopper attached to the body side base 67.
The hinge stopper 68 regulates the rotational movement of the board opening / closing hinge 62 fixed to the seat raising frame 18. The two rear seats are each installed on two boards and are foldable forward and are arranged side by side in the width direction of the passenger car body. 69 is a lock mechanism passage hole. The lock mechanism passage holes 69 are provided in the respective boards 61,
It is provided at a position where the lock mechanism 21 in the projected state passes. A carpet is stuck on the inner surface of the space 42.

For this purpose, both the rear seats 11 are folded at once or one of the required rear seats 11 is folded forward. Then, the board 61 constituting the floor 17 is exposed. Then, from the side or rear of the rear seat 11,
The ends of the side surfaces of the boards 61 on the sides of the automobile bodies are lifted, and the board 61 is rotated about the ends on the center sides of the automobile bodies to open the spaces 42. The storage in the space portion 42 is capable of storing the headrest 13 and the like which are removable and obstruct when a flat floor surface is obtained.

When the rear seat 11 is erected, the lock mechanism in the protruding state is protruded through the lock mechanism passage hole and locked with the striker 19. When the rear seat 11 is standing,
Perform the reverse operation.

Reference numeral 70 denotes a lock mechanism cover. The lock mechanism cover 70 covers the periphery of the lock mechanism 21 in the space portion 42 and separates the inside of the other space portion 42 from the inside of the space portion 42, thereby dirt of the stored matter stored in the space portion 42 or the lock mechanism 21 due to the stored material. Of the headrest 13 and the like are formed.

Reference numeral 71 denotes a board fixing strap.
The board fixing strap 71 is provided in the space 4
It is fixed to the rear surface, which is the second surface, by a strap locking portion 72. A hook 73 is fixed to the tip of the board fixing strap 71. Reference numeral 74 denotes a hook locking portion, which is fixed to the side surface of the interior of the vehicle body. Therefore, when the board 61 is in the open state, the board fixing strap 7
By locking the hook 73 at one end with the hook locking portion 74, the board 61 is positioned and the space 42 is kept open.

Reference numeral 51 denotes a securing hook. 53 is a securing hook rotation shaft. The securing hook rotating shaft 53 is attached to the sheet raising frame 18 at a position below the securing hook through hole 52 below each board 61 by the securing hook rotating shaft base 54. In this embodiment, the securing hook 51 has a ring shape, and the securing hook rotating shaft 53 is integrally formed. The lashing hook 51 is rotatable by the lashing hook rotation shaft 53 in the width direction of the vehicle body, so that the free end is in a state of being laid down on the sheet raising frame 18 to a state of being erected from the sheet raising frame 18. It can be moved.

Reference numeral 52 denotes a securing hook through hole. The securing hook through-holes 52 are formed at both ends of the board 61 on the vehicle body side in the form of openings along the outer shape of the securing hooks 51 in a collapsed state. 55 is a securing stopper. The lashing stopper 55 secures the lashing hook 51 rotated by the lashing hook rotation shaft 53 so that the lashing hook 51 assumes a tilted state of 70 degrees toward the room even when the lashing hook 51 is set to a state closest to the vertical state. Regulate hooks. If it is 60 degrees, it will fall down too much to the indoor side, and the fixing of the load will be limited. 80
Exceeding the degree, when the rear seat 11 hits, resistance is generated, and the free end of the securing hook 51 does not easily fall down indoors.

Reference numeral 56 denotes a securing body. The lashing body 56 is made of a material capable of fixing a load such as a belt and a net, and each end is fixed to the lashing hook 51, and is bridged between the lashing hook 51 and the lashing hook 51.

Therefore, in the on-floor fixing device according to this embodiment, even when the lashing hook 51 rotated by the lashing hook rotating shaft 53 is set to the state most nearly vertical, The binding hook 51 is regulated by a securing stopper 55 so as to be inclined toward the indoor side. Therefore, even when the rear seat 11 is fallen on the securing hook 51 in a state where the securing hook 51 is set up, the securing hook 51 always falls down to the indoor side and the rotation of the rear seat is hindered by the securing hook. Nothing.

[0036]

Therefore, according to the present invention, even when the rear seat is fallen on the lashing hook in a state where the lashing hook is set up, the lashing hook always falls down to the indoor side and the lashing hook is broken. Never.

[Brief description of the drawings]

FIG. 1 is a perspective view of a rear seat according to an embodiment of the present invention.

FIG. 2 is a perspective view of an operating state of the rear seat according to the embodiment of the present invention.

FIG. 3 is a partially enlarged view of a rear seat according to the embodiment of the present invention.

FIG. 4 is a partially enlarged view of a rear seat according to the embodiment of the present invention.

FIG. 5 is a partially enlarged view of a rear seat according to the embodiment of the present invention.

FIG. 6 is a side view of the rear seat according to the embodiment of the present invention in an upright state.

FIG. 7 is a side view of the rear seat according to the embodiment of the present invention in an intermediately foldable state.

FIG. 8 is a side view of the rear seat according to the embodiment of the present invention in a collapsed state.

FIG. 9 is a partially enlarged front view of a lock mechanism of the rear seat according to the embodiment of the present invention.

FIG. 10 is a perspective view of a conventional rear seat.

FIG. 11 is a perspective view of a seat raising frame according to the embodiment of the present invention;

FIG. 12 is a perspective view of a seat raising frame according to the embodiment of the present invention;

FIG. 13 is a perspective view of a vault for a vehicle seat according to an embodiment of the present invention.

FIG. 14 is a partially enlarged view of a vault for a vehicle seat according to an embodiment of the present invention.

FIG. 15 is a partially enlarged perspective view of the hinge for opening and closing the board of the under-seat storage compartment for a vehicle according to the embodiment of the present invention.

FIG. 16 is a partially enlarged perspective view of a vault for a vehicle seat according to an embodiment of the present invention.

FIG. 17 is a partially enlarged perspective view of a vault for a vehicle seat according to an embodiment of the present invention.

FIG. 18 is a perspective view of a floor fixing device according to an embodiment of the present invention.

FIG. 19 is a partially enlarged cross-sectional view of a floor fixing device according to an embodiment of the present invention.

FIG. 20 is a perspective view of a securing hook, which is a component diagram of the floor fixing device according to the embodiment of the present invention;

FIG. 21 is a front view of a securing hook, which is a component diagram of the floor fixing device according to the embodiment of the present invention;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Seat (rear seat) 12 Backrest 14 Seat part 16 Hinge 17 Floor surface 18 Seat raising frame 41 Automobile body floor frame 42 Space part 51 Locking hook 52 Locking hook through hole 53 Locking hook rotating shaft 55 Locking stopper 56 Locking Stopper 61 Board 62 Board opening / closing hinge

Claims (1)

[Claims] 1. A board which is installed side by side in the width direction above an automobile body floor frame to form a floor surface, and has a securing hook through hole formed in an opening shape at both ends of the automobile body, and a board installed on the board. By being attached to the rear seat that can be folded forward and the frame side below the securing hook through hole at the bottom of the board, it is rotatable by the securing hook rotation shaft in the width direction of the car body,
The lashing hook that can be moved from the state where the free end is tilted to the frame side to the state where it is erected from the frame side, and the lashing hook that is rotated by the lashing hook rotation shaft is in the state closest to the vertical state. A floor surface comprising a lashing stopper that regulates a lashing hook so as to take an inclined state toward the room even when it is erected, and a lashing body bridged between the lashing hooks. Upper fixing device.