KR102570786B1 - Flat Seat for Vehicle - Google Patents

Abstract

The present invention relates to a flat seat for a vehicle, a seat cushion frame disposed on the floor of the interior of a vehicle and composed of a seat cushion portion and a side plate portion, a support frame slidably installed on the seat cushion frame, folding and A seat back frame installed to enable a reclining operation, a reclining shaft mounted so that the seat back frame can rotate about an axis during folding and reclining operations, and the support frame slide to move the position of the reclining shaft to the seat cushion frame. It becomes possible to provide the provided flat seat operating unit.

Description

Flat Seat for Vehicle {Flat Seat for Vehicle}

The present invention relates to a vehicle seat, and more particularly, to a vehicle flat seat having a flat seat operating unit for moving a reclining shaft of the vehicle seat.

In general, seats that are a driver's seat, a front passenger's seat, and a front passenger's seat installed in the front and rear of a vehicle interior are provided with various convenience devices for the comfort of occupants.

As the convenience device, the seat has a sliding function that can push and pull a seat cushion forward and backward according to the body shape of the occupant, a folding function that lays the seat back forward, and a seat back corresponding to the backrest A reclining function for adjusting the inclination of the seat back and a seat height adjustment function for adjusting the height of the seat cushion to suit the body size of the occupant are provided.

The double recline function is provided by a recliner installed as a hinge connection between the seat cushion and the seat back, and depending on the operation method, it is divided into a manual type using a lever and an electric motor type using power.

The recliner operates in such a way that when the cam constituting the internal component is rotated by the operating force transmitted from the lever or the motor, the gear engagement section of the core with the set reclining angle is changed according to the rotation angle of the cam and then engaged again at a desired angle. is implemented

However, there are cases in which customers' requests for the recline function of the seatback want the seatback to continue to recline even when the maximum allowable angle of the recliner is exceeded, but the maximum allowable recline angle is limited and has limitations, and the seatback is moved forward When the recline folding function is operated, there is a limit to the folding angle due to the interference of the coupling part between the cushion seat frame and the seat back frame.

Therefore, there is a very high need for a flat seat for a vehicle that can be adjusted more than the allowable angle during the reclining function and can prevent interference between the cushion seat frame and the seat back frame during the folding function.

In order to overcome the above problems, the present invention will be described in detail below.

Korean Patent Registration No. 10-1406568 (2014.06.03)

The present invention was created to improve the problems occurring in the conventional vehicle seat as described above, by providing a flat seat operating unit on the seat cushion frame to control the position of the reclining shaft, thereby increasing the allowable angle during the reclining function and folding function Its purpose is to provide a flat seat for vehicles provided to prevent interference between the seat cushion frame and the seat back frame.

In order to achieve the above object, a flat seat for a vehicle according to the present invention is disposed on the floor of a vehicle interior and includes a seat cushion frame composed of a seat cushion portion and a side plate portion, and a support installed slidably on the seat cushion frame. A frame, a seatback frame installed on the support frame to enable folding and reclining operations, a reclining shaft mounted so that the seatback frame can rotate based on an axis during folding and reclining operations, and the support frame sliding and moving to determine the position of the reclining shaft. It characterized in that it comprises a flat seat operating portion provided in the seat cushion frame to move.

In the flat seat for a vehicle according to an embodiment of the present invention, the flat seat operating unit includes a first guide hole and a second guide hole provided on both sides of the side plate portion, and a first guide provided on both sides together with the support frame A first slide shaft coupled to a hole and slidingly moved, a latch unit coupled to the side plate portion to control the sliding movement of the first slide shaft with a locking jaw formed on one side, and a second side provided on both sides together with the support frame A second slide shaft coupled to the guide hole and slidingly moved, and a stopper provided on one side of the seat cushion frame so that the second slide shaft is jammed or released when the slide moves, and the latch part to move the position of the reclining shaft And it may be composed of a control unit for controlling the stopper unit.

In the flat seat for a vehicle according to an embodiment of the present invention, it is also possible that the restoration springs are mounted on both sides of the side plate so that the first slide shaft and the second slide shaft return to their original positions when they slide to one side.

In the flat seat for a vehicle according to an embodiment of the present invention, the control unit may control the latch unit and the stopper unit connected to the cable by manipulating a lever connected to the cable.

In the flat sheet for a vehicle according to an embodiment of the present invention, the latch portion is composed of a first latch and a second latch engaged by the engaging portion, and when the first latch connected to the cable is moved to one side by user's manipulation, the engaging portion It is also possible to include one in which the engagement by the part is released and the locking jaw restraining the first slide shaft can be released.

In the vehicle flat seat according to an embodiment of the present invention, an oblique control unit is provided at the end of the stopper unit to slide, and the control unit is caught by one side of the second slide shaft or a cable connected to the stopper unit It may be slid and disengaged by one side of the second slide shaft.

More detailed information on this will be described later through drawings and the like.

As described above, according to the vehicle flat seat according to the present invention, the flat seat operating unit is provided on the seat cushion frame to control the position of the reclining shaft, thereby increasing the allowable angle during the reclining function and the seat cushion frame and the seat back frame during the folding function. has the effect of preventing interference.

1 is a perspective view of a flat seat for a vehicle according to one embodiment of the present invention.
2 is a partial perspective view of a flat seat for a vehicle having a variable shaft unit according to one embodiment of the present invention.
3 is a perspective view of a flat seat operating unit according to one embodiment of the present invention.
4 is an exploded perspective view of a flat seat operating unit viewed from the front according to one embodiment of the present invention.
5 is an exploded perspective view of a flat seat operating unit viewed from the rear according to one embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 5, the vehicle flat seat 10 according to the present invention is a seat cushion frame 120 disposed on the floor of the interior of the vehicle, and a support installed slidably on the seat cushion frame 120. A frame 130, a seatback frame 110 installed on the support frame 130 to enable folding and reclining operations, and a reclining shaft mounted so that the seatback frame 110 can rotate about an axis during folding and reclining operations. (140).

More specifically, the seat cushion frame 120 is mounted on the floor so that occupants can sit in the interior of the vehicle. The seat cushion frame 120 is coupled to guide holes 211 and 212 provided in the support frame 130 so as to be slidably movable. In addition, the support frame 130 is coupled to the seatback frame 110 provided so that the occupant can lean his back so as to be rotatable with respect to the reclining shaft 140. Therefore, according to the preference of the occupant, the seat back frame 110 can perform a recline function and a folding function based on the support frame 130, and the support frame 130 can slide from the seat cushion frame 120. By being coupled together, it is possible to slide along with the seatback frame 110. That is, by moving the reclining shaft 140 provided in the seat back frame 110, the operating angle can be changed as the reclining shaft 140 moves during the folding and reclining functions.

A flat seat operating unit 200 for sliding and moving the support frame 130 is provided on both sides of the seat cushion frame 120 .

More specifically, the seat cushion frame 120 is composed of a seat cushion portion 121 and a side plate portion 122. The flat sheet operating part 200 is provided on both sides together with the first guide hole 211 and the second guide hole 212 provided on both sides of the side plate part 122, and the support frame 130, respectively. The first slide shaft 221 is coupled to the first guide hole 211 and slides, and the side plate part 122 controls the sliding movement of the first slide shaft 221 with the locking jaw 237 formed on one side. ) coupled to the latch unit 230, the second slide shaft 222 coupled to the second guide holes 212 provided on both sides together with the support frame 130 and sliding, the second slide shaft 222 ) To move the position of the stopper part 240 provided on one side of the seat cushion frame 120, the reclining shaft 140 so that it is jammed or released during sliding movement, the latch part 230 and the stopper part 240 ) It is composed of a control unit 270 for controlling. The first and second slide shafts 211 and 222 may be fastened by coupling bolts 224 and 225 that pass through the support frame 130 and the first and second guide holes 211 and 211 and are coupled thereto. And, if the first and second slide shafts 211 and 222 can slide and move stably in the first and second guide holes 211 and 211 with the support frame 130, the coupling method is not greatly limited.

The side plate part 122 is formed in a flat plate shape, and on both sides thereof, first and second guide holes 211 and 2 guide holes 212 symmetrically formed in a long slit shape, and the first and second guide holes 211 , 212) is provided with a guide cover 213 reinforcing the outer circumference. A first slide shaft 221 is fastened with the support frame 130 to the first guide hole 211, and the first slide shaft 221 and the support frame 130 are connected to the first guide hole 211. Slide movement is possible along the . In addition, the second slide shaft 222 is fastened together with the support frame 130 in the second guide hole 212, and the second slide shaft 222 and the support frame 130 are connected to the second guide hole 212. ), slide movement is possible. That is, the support frame 130 slides along the first guide hole 211 and the second guide hole 212 simultaneously with the first slide shaft 221 and the second slide shaft 222 . The way in which the first and second slide shafts 221 and 222 and the support frame 130 are fastened to the first and second guide holes 211 and 212 may vary, and is preferably bolted together. It will be.

In addition, a latch unit 230 is coupled to one side of the side plate unit 122 to control the sliding movement of the first slide shaft 221 .

More specifically, the latch unit 230 is composed of a first latch 231 and a second latch 232, and the first latch 231 and the second latch 232 are attached to the hooking unit 236. and the second latch 232 is a structure for fixing the movement of the first slide shaft 221 with a locking jaw 237. A locking jaw 237 protrudes from one side of the second latch 232 and a locking portion 236 is formed on the other side of the first latch 231 so as to be engaged in correspondence with the shape of the locking portion 236. A hooking portion 235 is also formed on one side. In addition, a coupling hole 238 is provided at one side of the first and second latches 231 and 232, and a fastening hole 214, a rivet 233, and a bush 234 provided at one side of the side plate portion 122 ) are combined by Accordingly, the first and second latches 231 and 232 are provided so as to be rotatable around the rivet 233, and when the first latch 231 is rotated and the hooking part 236 is released, the first latch 231 is released. The second latch 232 is also rotatably provided around the rivet 233 as a central axis. At this time, when the first slide shaft 221 receives an external force, the force fixed by the locking jaw 237 is released and the first slide shaft 221 provided in the second latch 232 221 is a structure capable of sliding movement.

Meanwhile, the second slide shaft 222 has a structure in which the stopper 240 slides while being engaged or released.

More specifically, the stopper part 240 includes a control part 241 having an oblique end, an accommodating part 242 in which the control part 241 is accommodated, and a fastening cap 244 fastened to the end of the accommodating part 242. ) and a support spring 243 supporting the control unit 241 from the fastening cap 244. Therefore, the control unit 241 is formed in an oblique shape at the end, and when receiving force from the outside, it is received inside the housing unit 242 and returns to its original position due to the restoring force of the support spring 243. . That is, the second slide shaft 222 coupled to the second guide hole 212 slides to one side by receiving force from the outside, and one side of the second slide shaft 222 presses the control unit 241 to When pushed into the receiving part 242 and one side of the second slide shaft 222 passes, the controller 241 returns to its original position by the restoring force of the support spring 243, and the second slide shaft 222 One side is a structure in which the second slide shaft 222 is fixed by being caught and fixed by the controller 241 . Contrary to this, when the control unit 241 is housed in the storage unit 242, one side of the second slide shaft 222 is movable to the other side and the second slide shaft 222 is movable to the other side.

At this time, a restoring spring part 250 is provided on one side of the side plate 122, and the restoring spring part 250 is composed of a restoring spring 251, a spring bracket 252, and a support frame bracket 253. When the support frame 130 slides to one side, it provides restoration.

More specifically, the recovery spring 251 has both ends bent in the shape of a spring spring, one end is fixed to the spring bracket 252 and fixed to the side plate part 122, and the other end is fixed to the support frame 130 It is fixed to the support frame bracket 253 provided in the. In addition, the restoring spring part 250 is mounted around the support shaft 223 provided between the side plate parts 122 . Therefore, it is possible to provide restoring force to the support frame 130 slid to one side. That is, when the second slide shaft 222 is fixed to the stopper part 240 by an external force and then the stopper part 240 is released, the restoring spring part 250 slides to its original position and supports it. Frame 130 may be returned.

In addition, a cable may be connected to one side of the first latch 231 and one side of the control unit 241 toward the inside of the housing 242, and a user may operate a lever 271 connected to the cable.

More specifically, a plate-like control unit 170 is disposed on one side of the side plate unit 122, and a lever 171 connected to a cable for a user to operate is provided on one side of the operation unit 170. At this time, a third cable 263 is connected to one side of the first latch 231 and can be bent to one side by a user's manipulation. Accordingly, the second latch 232 engaged therewith is also rotatable, so that the first slide shaft 221 is tilted to one side during sliding movement, and the locking jaw 237 is released, so that the first slide shaft 221 and The support frame 130 is slide-movable. In addition, a fourth cable 264 is connected to one side of the control unit 241 toward the inside of the housing unit 242, and the fourth cable 264 is pulled to move the control unit 241 toward the housing unit 242. can be stored. Therefore, when the user pulls the lever 271 connected to the cable to receive the control unit 241 into the storage unit 242, the second slide shaft 222 hung by the control unit 241 moves the second slide shaft ( 222) is released, the second slide shaft 222 and the support frame 130 can be moved by sliding to the original position with the restoring force of the restoring spring 250.

The cable may have a structure that is simultaneously operated by a user's manipulation. More specifically, the cable is composed of a first cable 261, a second cable 262, a third cable 263, and a fourth cable 264, and a lever 271 provided to be operated by a user The first cables 261 connected to are separated from each other to the side of the side plate part 122 through the first cable distributor 265, and the separated second cables 262 are separated from each other through the second cable distributor 266. It is divided into a third cable 263 through. That is, the third cable 263 is connected to the first latch 231 and the fourth cable 264 is connected to the stopper part 240 . The third and fourth cables 263 and 264 are connected to the second cable 262 through the second cable splitter 266, and the third and fourth cables 263 and 264 provided on both sides are respectively Through the second cable distributor 266, they are merged into one first cable distributor 265, and the first cable distributor 265 is finally connected to the lever 271 through the first cable 261. As a result, the user can control one lever 271 to operate the four cables provided on both sides, and through this, the latch part 230 and the stopper part 240 provided on the side plate part 122 It is a structure that can control both at the same time.

Although the above has been described with reference to drawings according to embodiments of the present invention, those skilled in the art will be able to make various applications and modifications within the scope of the present invention based on the above information.

10: flat seat for vehicles
110: seat back frame
120: seat cushion frame
121: seat cushion part
122: side plate part
130: support frame
140: reclining shaft
200: flat sheet operating part
211: first guide hole
212: second guide hole
213: guide cover
214: fastening hole
221: first slide shaft
222: second slide shaft
223: support shaft
224, 225: coupling bolt
230: latch unit
231: first latch
232: second latch
233: rivet
234: bush
235: stumbling block
236: hanging part
237: snag
238: coupling hole
240: stopper part
241: control unit
242: storage unit
243: support spring
244: fastening cap
250: restoration spring part
251: return spring
252: spring bracket
253: support frame bracket
261: first cable
262: second cable
263: third cable
264: fourth cable
265: first cable splitter
266: second cable splitter
270: control panel
271: lever

Claims (6)

a seat cushion frame disposed on the floor of an interior of a vehicle and composed of a seat cushion portion and a side plate portion;
a support frame slidably installed on the seat cushion frame;
A seatback frame installed on the support frame to enable folding and reclining operations;
a reclining shaft mounted so as to be rotatable relative to an axis when the seatback frame is folded and reclining; and
a flat seat operating unit provided on the seat cushion frame to move the position of the reclining shaft by sliding the support frame;
including,
The flat seat operating unit;
first guide holes and second guide holes respectively provided on both side surfaces of the side plate part;
a first slide shaft coupled to the first guide holes provided on both sides of the support frame and sliding;
a latch part coupled to the side plate part to control the sliding movement of the first slide shaft with a locking jaw formed on one side;
a second slide shaft coupled to the second guide holes provided on both sides of the support frame and sliding; and
a stopper provided on one side of the seat cushion frame so that the second slide shaft is jammed or released when the slide moves;
a manipulation unit controlling the latch unit and the stopper unit to move the position of the reclining shaft;
A flat sheet for a vehicle, characterized in that consisting of. delete According to claim 1,
A flat seat for a vehicle, characterized in that restoring springs are mounted on both sides of the side plate so that the first slide shaft and the second slide shaft return to their original positions when they slide to one side. According to claim 1,
The control unit controls the latch unit and the stopper unit connected to the cable by manipulating a lever connected to the cable. According to claim 4,
The latch unit is composed of a first latch and a second latch engaged by the hooking unit, and when the first latch connected to the cable is moved to one side by a user's manipulation, the engagement by the hooking unit is released to restrain the first slide shaft. A flat sheet for a vehicle, characterized in that the locking jaw is releaseable. According to claim 4,
An oblique control unit is provided at the end of the stopper unit to slide, and the control unit is caught by one side of the second slide shaft or slides by a cable connected to the stopper unit to slide one side of the second slide shaft. A flat sheet for a vehicle characterized in that it releases jamming.

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