JP5112188B2 - Retractable seat for vehicle - Google Patents

Description

  The present invention relates to a retractable seat for a vehicle. More particularly, the present invention relates to a retractable seat for a vehicle in which a seat body serving as a seating portion is movable between a use position on a vehicle body floor and a storage position moved from the use position.

  2. Description of the Related Art Conventionally, a structure in which a seat body can be stowed up and stored from a use position on a vehicle body floor to a storage position below the ceiling of the vehicle body is known. Here, the following Patent Document 1 discloses the configuration of the above-described ceiling retractable seat. In this disclosure, the seat body is linked to the vehicle body ceiling, and can be moved between a use position on the vehicle body floor and a storage position below the vehicle body ceiling as the link rotates. It has become.

Japanese Utility Model Publication No. 58-95335

  However, in the related art disclosed above, a large locking device is provided in the seat body for engaging and locking the seat body with the vehicle body floor, and this locking device is bulky when the seat body is stored.

  The present invention has been devised to solve the above-described problems, and the problem to be solved by the present invention is to provide a structure necessary for engaging an engaging portion with a vehicle body provided in a seat body. The purpose of this is to simplify the structure and make it small enough to be accommodated in the seat body.

In order to solve the above problems, the retractable seat for a vehicle of the present invention takes the following means.
First, a first invention is a retractable seat for a vehicle in which a seat body serving as a seating portion is movable between a use position on a vehicle body floor and a storage position moved from the use position. The seat body is provided with a rod-shaped engaging portion that is received and engaged by a receiving tool provided at the position of the movement destination when the seat body moves to the use position or the storage position. The engaging portion is provided so as to be able to be taken in and out of the sheet main body in the longitudinal direction of the bar shape. In a state where the engaging portion is received and engaged with the receiving device, the gravity load due to the weight of the seat body acts in a direction to maintain the state received by the receiving device. The direction that can be received is set.

  According to the first aspect of the present invention, the rod-shaped engaging portion provided in the seat body is always received by the catcher due to the gravitational action associated with the weight of the seat body in the state of being received by the catcher. It receives an acting force in the direction of maintaining Therefore, the gravitational action of the heavy load can keep the seat body engaged with the vehicle body without having to have a locking structure for preventing the engaging portion from being pulled out from the receiving device. It can be set as the simple structure which made the engaging part the rod shape. The rod-like engagement portion is provided in the seat body so that it can be inserted and removed in the longitudinal direction, so that the engagement portion can be simplified while being provided with a structure necessary for engagement so that the seat body can be accommodated in a small size. can do.

  Next, according to a second aspect, in the first aspect described above, the rod-shaped engaging portion provided on the seat body is engaged with the receiving member at the use position on the vehicle body floor, and the seat body is in the retracted position. When moved to the position, it is held as being pulled into the seat body.

  According to the second aspect of the invention, the receiving device that engages with the engaging portion at the use position on the vehicle body floor has a simple configuration that only receives the engaging portion. Therefore, when the seat body is retracted, the use position space on the vehicle body floor can be widened. In addition, since the rod-shaped engaging portion provided in the seat body is also accommodated in the seat body in a small size, the seat body can be stored in a small position at the storage position.

  Next, according to a third aspect, in the first or second aspect described above, the engaging portion is configured to be taken in and out from the seat body in the hanging direction. The receiver is configured to receive the rod-shaped movement of the engaging portion from the lateral side. The seat body is rotatably connected to the vehicle body ceiling by a link member, and can move between a use position on the vehicle body floor and a storage position below the vehicle body ceiling. The engaging portion is received by the receiving member by the rotational movement in which the seat body is dropped to the use position on the vehicle body floor.

  According to the third aspect of the invention, the engaging portion is received by the receiving member by the movement in which the seat body is dropped in a pendulum shape from the storage position under the ceiling of the vehicle body toward the use position on the vehicle body floor. In other words, the engaging portion is received by the catcher as the seat body moves in the direction of gravity as described above, and the weight of the seat body is engaged with the catching portion and the catcher at the position of the movement destination. A structure that is received by the structure can be realized.

  Embodiments of the best mode for carrying out the present invention will be described below with reference to the drawings.

  First, the configuration of the retractable seat for a vehicle according to the first embodiment will be described with reference to FIGS. Here, FIG. 1 shows a schematic configuration of the vehicle retractable seat of the present embodiment. The retractable seat for a vehicle is arranged as a rearmost seat of the vehicle so that the seat body 1 serving as a seating portion can be lifted and stored from a use position on the vehicle body floor F to a storage position below the vehicle body ceiling C. It is configured.

  The seat body 1 includes a seat back 2 that serves as a backrest, a seat cushion 3 that serves as a seating portion, and a headrest 4 that serves as a headrest. Here, the rear end portions of the left and right sides of the seat cushion 3 are hinged to the lower end portion of the seat back 2 by a reclining device 5 so as to be able to rotate upside down. Here, in the reclining device 5, when the seat cushion 3 is tilted toward the front side of the seat back 2, the lock mechanism provided therein locks, and the rotation posture of the seat cushion 3 is tilted down. It can be locked in position.

  Then, the rotation lock state of the seat cushion 3 is released when the operator P performs an operation of tilting the operation lever 9 provided on the back portion of the seat back 2 backward. Here, the lower end portion of the operation lever 9 is hingedly connected to the rear portion of the seat back 3 by a connecting shaft 9a so as to be able to rotate upside down. Then, by the operation of tilting down the operation lever 9, the seat cushion 3 is moved rearward around the rotation center shaft 5a of the reclining device 5 by the urging force of the urging spring (not shown) hooked between the seat back 2 and the seat back 2. It is raised to the side and held in a posture folded into the front portion of the seat back 2.

  By the way, the seat body 1 described above is rotatably linked to the vehicle body ceiling C by a pair of left and right link members 6 integrally connected to both shoulder openings of the seat back 2. As a result, the seat body 1 is moved between the usage position on the vehicle body floor F and the storage position below the vehicle body ceiling C as the link member 6 rotates around the connection point (connection shaft 6a) with the vehicle body ceiling C. You can move between.

  Here, the seat body 1 is normally engaged by engaging a rod 7 provided projecting downward from the lower end portion of the seat back 2 with a receiving device B installed on the vehicle body floor F. It is held at the use position on the floor F. Here, the rod 7 corresponds to the engaging portion of the present invention. As shown in FIG. 3, the rod 7 is formed of a metal round bar member, and a hook portion 7 a having a shape in which a peripheral edge spreads in a flange shape is formed at a lower end portion of the rod 7. Yes.

  On the other hand, the receiving tool B is formed of a metal plate and has a receiving port Ba that can receive the above-described rod 7 from the lateral side. Here, as shown in FIG. 2, the receiver B moves the rod 7 in such a manner that the seat body 1 is dropped in a pendulum shape from the storage position below the vehicle body ceiling C toward the use position on the vehicle body floor F. Is received in the mouth of the receiving port Ba from the front side (lateral side) of the vehicle and is received by being brought into contact with the side surface.

  Specifically, the receiving device B receives the rod 7 from the lateral side in the mouth of the receiving port Ba, thereby positioning the hook 7a formed at the lower end of the rod 7 in the lower space of the top plate. The rod 7 is received as it is. As a result, the rod 7 is engaged with the catching tool B in a state where the hook 7a faces the top plate of the catching tool B and is not removed upward from the receiving port Ba. It is supposed to be. Here, the position where the rod 7 described above is received and locked by the receiving device B is a rotational position in the middle of the rotation of the seat body 1 due to the gravitational action, specifically, a posture state in which the seat back 2 is tilted backward. It is set to the angular position that is held.

  Therefore, when the rod 7 is received by the receiving device B and is engaged, the rod 7 acts in an engaging direction that is always pressed against the receiving device B by the gravity load applied to the seat body 1. It will be in a state where force can be applied. As a result, the rod 7 is always stably held in a state of being engaged with the catching tool B by the weight of the seat body 1 described above. By the way, the rod 7 described above is provided so as to extend from the lower end portion of the seat back 2, and is configured to be accommodated inside the seat back 2 as the seat main body 1 is retracted.

  Specifically, as shown in FIG. 4, the rod 7 is supported so as to be movable in the longitudinal direction with respect to the seat back 2, and is normally hooked between the seat back 2. The push spring 7b is urged in the moving direction protruding from the lower end portion of the seat back 2 by the urging force of the push spring 7b. Here, the rod 7 is formed with a concave notch groove 7c in a part of the outer peripheral shape thereof, and the stopper 7d enters the notch groove 7c so that the movement in the protruding direction is restricted. ing.

  Here, the stopper 7d is normally urged in the moving direction to enter the notch groove 7c by the urging force of the urging spring ds hooked between the stopper 7d and the seat back 2. As a result, the stopper 7d moves into the notch groove 7c by the urging by restricting the protruding movement of the rod 7 by aligning the notch groove 7c with the movement destination position by the movement of the rod 7. Yes. The stopper 7d is connected to the operation lever 9 provided on the back surface portion of the seat back 2 through the cable 9b, and the operator P performs an operation of tilting the operation lever 9 to the rear side of the seat back 2. By doing so, it is pulled by the cable 9b and removed from the notch groove 7c.

  Further, the rod 7 is connected at its upper end in the figure to one end on the right side in the figure of an operation link 7e provided rotatably on the seat back 2. The operation link 7e is formed with a long hole extending in the link length direction at the connecting end with the rod 7, and a pin provided on the rod 7 is slidably fitted into the long hole. The rod 7 can be moved in the longitudinal direction along with the rotational movement.

  The end of the cable 6b is hooked to the other end on the left side of the operation link 7e described above. As shown in FIG. 1, the other end of the cable 6b is hooked on the vehicle body ceiling C. As shown in FIG. 2, the cable 6b is connected to the vehicle body ceiling C as the seat body 1 is retracted. It is designed to be pulled from the end side. Here, the length of play is set to the full length of the cable 6b, and as shown in FIG. 4, the rod 7 protrudes from the lower end portion of the seat back 2 by the urging force of the push spring 7b. As a result, the tow operation is performed by the operation link 7e and a tension state is established.

  Therefore, as shown in FIG. 1, the cable 6 b is held in a tensioned state when the rod 7 protrudes in a state where the seat body 1 is in the use position on the vehicle body floor F. Then, from this state, as shown in FIG. 2, the seat body 1 is retracted and moved toward the bottom of the vehicle body ceiling C, so that the cable 6b is pulled by the connection point with the vehicle body ceiling C as a base point, and the operation link The rod 7 is pulled into the seat back 2 by rotating the counterclockwise 7e counterclockwise. As a result of the movement of the rod 7, as shown in FIG. 5, the cutout groove 7c is moved up to the position to which the stopper 7d is moved.

  Accordingly, by returning the operation lever 9 to the position before the operation after the seat body 1 is retracted, the stopper 7d enters the notch groove 7c of the rod 7 by the urging force of the urging spring ds, and the rod 7 protrudes and moves. Is maintained as a regulated state. Then, as shown in FIG. 2, the operation lever 9 is again tilted to return the seat body 1 from the retracted position to the use position on the vehicle body floor F, as shown in FIG. In addition, the stopper 7d is released from the engaged state with the notch groove 7c.

  Accordingly, the movement restriction state of the rod 7 by the stopper 7d is released, so that the rod 7 is moved and protruded by the urging of the push spring 7b in accordance with the movement operation for dropping the seat body 1 onto the vehicle body floor F. It becomes.

  By the way, the storage movement of the seat main body 1 described above corresponds to the corresponding ceiling in which the ceiling lock devices 8 provided at the lower left and right ends of the seat back 2 are installed below the vehicle body ceiling C, as shown in FIG. Each striker S is pressed and held by engaging and locking. Here, the ceiling lock device 8 is normally in a lockable state, and a hook (not shown) is pushed out from the inside by the movement of being pushed into the ceiling striker S as the seat body 1 is retracted, and is thus applied to the ceiling striker S. It is designed to lock.

  Note that the retracting movement of the seat main body 1 described above cancels the rotation-retained state of the reclining device 5 and the seat cushion 3 is raised up around the central axis 5a and folded into the front portion of the seat back 2. It is to be performed in a state that is in the posture. The locked state in which the above-described ceiling lock device 8 is hooked on the ceiling striker S is simultaneously released by the operation of tilting the operation lever 9 provided on the back portion of the seat back 2 to the rear side. It is like that.

  As described above, according to the retractable seat for a vehicle of the present embodiment, the rod-like rod 7 provided on the seat body 1 is gravitational action due to the weight of the seat body 1 in the state where the rod-like rod 7 is received by the catcher B. Therefore, an acting force is always received in a direction to maintain the state received by the receiving device B. Therefore, the gravitational action of the heavy object can keep the seat body 1 engaged with the vehicle body floor F without the rod 7 having a locking structure for preventing the retainer B from coming off. Therefore, a simple configuration in which the rod 7 is shaped like a rod can be obtained. The rod-shaped rod 7 is provided in the seat body 1 so as to be able to be inserted and removed in the longitudinal direction, so that the rod 7 is simplified while having a structure necessary for engagement. It can be made small.

  Further, the receiving device B that engages with the rod 7 at the use position on the vehicle body floor F has a simple configuration that only receives the rod 7. Therefore, when the seat body 1 is retracted and moved, the use position space on the vehicle body floor F can be widened. Further, since the rod-like rod 7 provided in the sheet main body 1 is also accommodated in the sheet main body 1 small when the sheet main body 1 is stored, the sheet main body 1 can be stored small in the storage position.

  Although the embodiment of the present invention has been described with respect to one example, the present invention can be implemented in various forms in addition to the above-described example. For example, as shown in FIG. 6, the seat main body 1 is also moved and stored in a pendulum-like manner in a recess recessed from the vehicle body floor F in a step shape by the moving link 10. Can be applied. Specifically, in this retractable seat, the rod 7 corresponding to the engaging portion of the present invention is provided so that it can be inserted into and removed from the lower end portion of the seat back 2 in the same manner as shown in the above embodiment. As the seat body 1 is retracted into the recess, the rod 7 is operated to protrude, and the hook 7a formed on the front end side of the rod 7 is received by the receiving tool B provided on the vehicle body floor F. It is the composition which matches.

  Further, as shown in FIGS. 7 to 8, the seat body 1 is hinged to the vehicle body by the rotation hinge H so that the seat body 1 can be rotated upside down, and the seat body 1 is flipped up to the side of the vehicle body and stored. The configuration of the present invention can also be applied to types. Specifically, this retractable seat is hinged so that the support plate 20 that normally supports the seat body 1 with respect to the vehicle body floor F can be rotated in a pendulum manner on the bottom surface of the seat cushion 3. As the seat body 1 is retracted, the seat body 3 is folded into the bottom portion.

  The rod 7 corresponding to the engaging portion of the present invention is provided in a state where it can be taken in and out of the lower end portion of the support plate 20, and the support plate 20 moves to rotate and expand toward the vehicle body floor F in a pendulum shape. Accordingly, the hook 7a formed at the front end is engaged with the catcher B installed on the vehicle body floor F. Therefore, also in this case, in a state where the rod 7 is received by and engaged with the receiving device B, the gravity action due to the weight of the seat body 1 maintains the state where the rod 7 is received by the receiving device B. Will act in the direction.

1 is a side view illustrating an outline of a retractable seat for a vehicle according to Embodiment 1. FIG. It is a side view showing the state where the seat body was stored under the ceiling of the vehicle body. It is the perspective view which expanded and represented the engagement structure with respect to the vehicle body floor of a seat main body. It is the schematic diagram showing the extrusion structure of the rod. It is the schematic diagram showing the drawing-in structure of the rod. It is the schematic diagram showing the modification example of the retractable seat for vehicles. It is the schematic diagram showing the other modified Example of the retractable sheet | seat for vehicles. FIG. 8 is a schematic diagram illustrating a state in which the seat body of FIG. 7 is flipped up and stored in the side of the vehicle body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat main body 2 Seat back 3 Seat cushion 4 Headrest 5 Reclining device 5a Center shaft 6 Link member 6a Connection shaft 6b Cable 7 Rod (engagement part)
7a Hanging portion 7b Push spring 7c Notch groove 7d Stopper ds Energizing spring 7e Operation link 8 Ceiling lock device 9 Operation lever 9a Connection shaft 9b Cable F Vehicle body floor C Vehicle body ceiling S Ceiling striker P Operator B Stopper Ba Receptor 10 Moving link 20 Support plate H Rotating hinge

Claims (3)

A seat body for a vehicle, wherein the seat body serving as a seating portion is movable between a use position on the vehicle body floor and a storage position moved from the use position;
The seat body is provided with a rod-like engaging portion that is received and engaged by a receiving tool provided at a position of the movement destination when the seat body is moved to a use position or a storage position.
The engaging portion is provided so that it can be inserted into and removed from the seat body in the longitudinal direction of the rod shape. The engaging portion is received by the receiving device and engaged with its own weight in the engaged state. A retractable seat for a vehicle, wherein a direction in which the gravitational load is received by the receiving device is set so as to act in a direction to maintain the state in which the gravity load is received by the receiving device. The retractable seat for a vehicle according to claim 1,
A rod-like engagement portion provided on the seat body engages with the catch at the use position on the vehicle body floor, and is held in a state of being pulled into the seat body when the seat body is moved to the retracted position. A retractable seat for a vehicle, characterized by being adapted. The retractable seat for a vehicle according to claim 1 or 2,
The engaging portion is configured to be taken in and out from the seat body in the hanging direction, and the receiving device is configured to receive a rod-shaped movement of the engaging portion from a lateral side, and the seat body The link member is rotatably connected to the ceiling of the vehicle body so that it can move between a use position on the vehicle body floor and a storage position below the vehicle body ceiling. A retractable seat for a vehicle, wherein the retractable seat is received by the receiving device by a rotational movement dropped into the use position.

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