KR101994848B1 - Manual side bolster apparatus - Google Patents

Abstract

The present invention provides a side bolster device which manually drives as a passenger sits on a seat. The side bolster device minimizes installation space and stably supports the passenger. According to an embodiment of the present invention, the side bolster device includes: a main frame individually connected to both sides of a seatback of a seat frame as both ends of the main frame are extended; a driving unit in which one end is connected to the lower part of the seat frame and the other end is connected to the main frame to slide; and a bolster unit elastically connected to the other end of the driving unit and formed to push the rear side of bolsters toward both sides or to pull the rear side of the bolsters in accordance with a sliding direction of the other end of the driving unit, wherein the center of the bolsters is connected to both sides of the seatback through a pin by a hinge. The one end and other end of the driving unit reciprocate as the passenger sits on the seat frame or the passenger leaves from the seat frame. The bolsters are elastically returned to their initial position or are moved toward the passenger.

Description

{MANUAL SIDE BOLSTER APPARATUS}

The present disclosure relates to a side bolster device, and more particularly, to a side bolster device that is driven by a seat occupant and urges the body of a passenger.

Unless otherwise indicated herein, the description set forth in this identification section is not prior art to the claims of this application and is not to be construed as prior art as described in this identification section.

Background Art [0002] Automobile seats generally provide an environment suitable for a passenger to comfortably drive to a destination through various devices including a headrest, a seat back and a seat cushion mounted on a seat frame.

The seat cushion and the seat back are formed so as to protrude forward from both sides of the front side, formed with bolsters for supporting the occupant, and are controlled through the control of the occupant or the self-control of the vehicle to comfortably support the body of the occupant.

However, in the case of the electric side bolster, it is advantageous that the bolsters can be controlled through the control of the occupant, but the manufacturing cost and weight are high, and the volume of the side bolster device itself coupled to the seat is increased.

Korean Patent Registration No. 10-1725413 discloses a seat side bolster device for a vehicle, and Korean Patent Publication No. 10-1664066 discloses a seat side bolster unit for a vehicle.

However, the existing side bolster device related technologies do not disclose a technique for reducing the weight and volume of the side bolster device and improving the fuel efficiency of the vehicle.

A side bolster device which is manually driven through seat occupancy of a passenger, minimizes an installation space, and stably supports the passenger.

Further, it is obvious that the present invention is not limited to the above-described technical problems, and another technical problem may be derived from the following description.

According to one embodiment of the disclosed subject matter, the side bolster device includes a main frame extending at both ends and coupled to both sides of the seat back of the seat frame, one end being coupled to the lower portion of the seat frame and the other end being slidably movable with respect to the main frame And the center portion of the seat back is hinged to the both sides of the seat back according to a sliding movement direction of the other end of the driving portion to push or pull the rear of the bolsters toward both sides And one end and the other end of the driving portion are reciprocated by seating or disengagement of the seat frame of the occupant, and the bolsters move toward the occupant or resiliently return to the original position.

The driving unit may include a plate coupled at one end to a spring formed at a lower portion of the seat bottom corresponding to the seat frame of the seat frame and extending at the other end toward the rear of the seat frame, And can be combined with the bolster portion.

When the occupant is seated, the bolster part is gear-engaged with the other end of the driving part, and the bolster brackets coupled to both sides of the main frame so as to be slidable are spaced apart from each other, pushing the back of the bolsters located at the rear of the pin, When the occupant separates from the seat frame, the bolster brackets are moved toward each other by elastic resilience of the other end of the driving unit and elasticity of the lower portion of the seat frame, and the rear of the bolsters can be pulled.

The driving unit may include a cushion bracket coupled to the lower portion of the seat frame in a plate form, one end coupled to the rear of the cushion bracket, and the other end extending in a wire- And a connecting unit formed to be coupled with the connecting portion.

The bolster portion is tightly coupled to the main frame so as to be slidable upward or downward, and is coupled to the other end of the connection unit. The gear bracket has a first end connected to a rack gear formed on the gear bracket, The other end of the gear pin is gear-engaged with the other end of the gear pin and the other end of the gear pin is separated from the main pin and slidably moved with respect to the main frame. And bolster brackets coupled to the bolsters and hinged to the rear of each of the bolsters.

The bolster part may further include a spring having one end coupled to the lower portion of the gear bracket and the other end extending toward the upper part and coupled to a protrusion formed on the rear of the main frame.

According to one embodiment disclosed herein, the side bolster device is advantageous in that weight and manufacturing cost are reduced because the bolsters are automatically driven when the occupant sits on the seat through a mechanical connection.

In addition, the side bolster device has the advantage that the parts coupled to the seat frame are formed in the form of a plate and are easily combined with the seat frame so that the seat can be compactly designed and the maintenance is easy.

In addition, since the side bolster device is not required to install a cable for connection to a battery or a generator in a vehicle, it is easy to detach and attach the seat itself, thereby improving the maintenance of the seat and the side bolster.

In addition, since the effect of the present invention described above is obviously exerted by the constitution of contents described irrespective of whether or not the inventor perceives it, the effect described above is only some effects according to the contents described, Should not be recognized.

Further, the effect of the present invention should be grasped further by the entire description of the specification, and even if it is not stated in an explicit sentence, a person having ordinary skill in the art to which the written description belongs, It should be seen as an effect described in this specification.

Figures 1 and 2 are perspective views of side bolster arrangements in accordance with one embodiment of the teachings herein.
3 is an exploded perspective view of the side bolster assembly of FIG.
4 is an exploded perspective view of the bolster portion of Fig.
5 is a cross-sectional view taken along line I-I 'of FIG.
FIG. 6 is an enlarged perspective view of a part of the bolster portion of FIG. 1; FIG.
7 is a front view showing the driving of the side bolster assembly of FIG.
Figure 8 is a side view of a side bolster arrangement in accordance with another embodiment of the teachings herein.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. For reference, in the following drawings, each component is omitted or schematically shown for convenience and clarity, and the size of each component does not reflect the actual size, and the same reference numerals denote the same components throughout the specification. And reference numerals for the same components in individual drawings are omitted.

Figures 1 and 2 illustrate perspective views of side bolster arrangements in accordance with one embodiment of the teachings herein. Figure 3 shows an exploded perspective view of the side bolster arrangement of Figure 1;

As shown in FIGS. 1 to 3, the side bolster assembly 100 includes a main frame 200, a driving part 300, and a bolster part 400.

The side bolster device 100 is a device that mechanically actuates bolsters by seating a seat of an occupant to support both sides of a passenger's body unlike a conventional electrically driven bolster device.

The main frame 200 is disposed on the seat back 15 of the seat frame 10 and both ends extend toward both sides of the seat back 15 and are respectively engaged with both side frames of the seat back 15, Stable support.

One end of the driving unit 300 is formed in the lower portion of the seat frame 10 and tightly coupled with the bottom surface of the spring 13 and the connecting plate 14 constituting the seat bottom 12 in the form of a plate, And is coupled to the main frame 200.

The bolster part 400 is resiliently coupled to the other end of the driving part 300 and the center part of the bolster is hinged to the both side frames of the seatback 15 through the pin 5 according to the sliding direction of the other end of the driving part 300 The front part is pulled toward or away from each other.

Specifically, main frame 200 includes protrusions 220, 222.

One end of the main frame 200 closely contacts the back surface of one frame of the seat back 15 and is engaged with the seat back 15 and the other end is in close contact with the back surface of the other frame of the seat back 15 and is engaged with the seat back 15.

The upper and lower portions of both ends of the main frame 200 are formed to be bent forward and a part of the bolster portion 400 is slidably moved toward both sides between the bent portions of the upper and lower ends of the main frame 200 And is coupled to the mainframe 200 to be enabled.

Each of the projections 220 and 222 is formed so as to extend toward the lower portion and the upper portion of the main frame 200 in the central portion thereof and to bend a portion of the end portion thereof toward the rear in comparison with both ends of the main frame 200.

The driving unit 300 includes a cushion bracket 320 and a connection unit 340.

One end of the cushion bracket 320 is coupled in a plate form to the bottom surface of the connecting plate 14 connecting the springs 13 and the springs 13 extending in zigzag form in forward and backward directions, And then bent toward the top.

The cushion bracket 320 moves downward when the occupant sits on the seat bottom 12 and when the occupant is released from the seat bottom 12 and the springs 13 and the connecting plate 14 return to their original positions, And moves toward the upper part.

The cushion bracket 320 is formed such that the reinforcing portions extending from one end to the other end of the cushion bracket 320 are spaced apart from each other with the cushion bracket 320 protruding concavely toward the upper side along the extending direction, The cushion bracket 320 is prevented from being bent or deformed.

One end of the connection unit 340 is coupled to the other end of the cushion bracket 320 and the other end extends upward to be coupled with the central portion of the bolster portion 400.

More specifically, the connection unit 340 is composed of a wire 342 and a cover surrounding the wire, and the wire 342 is lowered or raised by the cushion bracket 320 in the inside of the cover, .

One end of the connection unit 340 is coupled with a separate bracket coupled to the lower portion of the seatback 15 to guide the upward and downward movement of the wire and extend from the lower front to the upper portion of the seatback 15, 400 to minimize interference due to the tilting of the seatback 15. [

The bolster portion 400 includes a gear bracket 410, a gear pin 420, springs 430 and 435, first and second bolster brackets 440 and 445, first and second bolsters 450 and 460 Connecting brackets 455 and 465, and a main bracket 480. The connecting brackets 455,

The gear bracket 410 is coupled to the upper and lower portions of the main frame 200 so as to be slidable between the protrusions 220 and 222 of the central rear surface of the main frame 200. The lower portion of the gear bracket 410 is formed as a plate .

The inner side surface of the gear bracket 410, which corresponds to one side of the sliding groove, is fixed to the upper and lower portions of the gear bracket 410 so as to be engaged with one end of the gear bracket 410 And is formed in an extended rack gear shape.

The bent portion of the lower end of the gear bracket 410 is engaged with the wire protruding upward from the other end of the connection unit 340 and is lowered toward the protrusion 220 through the lowering or raising drive of the cushion bracket 320 Or toward the protruding portion 222.

One end of the gear pin 420 is formed in the form of a disk that closely contacts the back surface of the gear bracket 410 and a portion of the center of the gear pin 420 extends through the sliding groove and is forwardly engaged with the inner surface of the gear bracket 410 .

The other end of the gear pin 420 passes through the sliding groove and protrudes in the front of the main frame 200 through the main frame 200. The other end of the gear pin 420 is connected to one end of the first bolster bracket 440 and the second bolster bracket 445, And moves the first bolster bracket 440 and the second bolster bracket 445 apart or adjacent to each other through rotation driving.

Accordingly, when the gear bracket 410 is lowered and the gear pin 420 is rotated in the forward direction, the first and second bolster brackets 440 and 445 are moved to be spaced apart from each other, When the pin 420 is rotated in the reverse direction, the first and second bolster brackets 440 and 445 move adjacent to each other.

On the inner side of the main frame 200 having the holes through which the other end of the gear pin 420 is formed, a rotating unit is formed in the form of a ring-shaped inner side surface, a front surface and a part of the back surface of the main frame 200 The rotation of the gear pin 420 is made smooth and the position of the gear pin 420 is stably fixed.

One end of each of the springs 430 and 435 is coupled to the lower end of the gear bracket 410 so as to be spaced apart from each other and the other end extends toward the upper end and is coupled to the bent portion of the protrusion 222.

Therefore, since the side bolster device 100 has an elastic force to pull the gear bracket 410 upward through the springs 430 and 435, even when the seat bottom 12 is stuck to the lower portion due to use for a long time, (410) from descending.

The springs 430 and 435 prevent the first and second bolster brackets 440 and 445 from being excessively moved away from each other by excessively lowering the gear bracket 410 due to seating of the passenger, Thereby preventing the gear bracket 410 from separating from the main frame 200. [

The first bolster bracket 440 is slidably coupled to both sides of the other side of the main frame 200 and the second bolster bracket 445 is slidable on both sides of one side of the main frame 200 .

Specifically, one end of the first bolster bracket 440 is gear-engaged with the outer side surface of the other end of the gear pin 420, and the other end is extended toward the first bolster 450, 1 bolster (450).

One end of the second bolster bracket 445 is formed to be engaged with the outer side surface of the lower end of the other end of the gear pin 420 and the other end is extended toward the second bolster 460, 460) so as to be rotatable.

One end of the first bolster 450 is rotatably coupled with the other end of the first bolster bracket 440 through the pin 20 and the other end extends in a plate shape toward the front side and the rear center portion is connected to the connection bracket 455 So as to be rotatable with the other side of the seat back 15.

One end of the second bolster 460 is rotatably coupled with the other end of the second bolster bracket 445 through the pin 20 and the other end extends in the form of a plate toward the front outside, So as to be rotatable with one side of the seat back 15.

Therefore, when the occupant sits on the seat bottom 12 and the gear bracket 410 is lowered, the gear pin 420 rotates and the first and second bolster brackets 440 and 445 move in a direction away from each other The other ends of the first and second bolsters 450 and 460 are moved toward each other.

When the occupant moves away from the seat bottom 12 and the gear bracket 410 rises, the gear pin 420 rotates reversely and the first and second bolster brackets 440 and 445 move toward each other, 1 and the second bolsters 450 and 460 toward the outside of the seatback 15. [

The main bracket 480 is formed to surround the other end of the gear pin 420 protruding forward, and the upper and lower ends of the main bracket 480 are bent backward and engaged with the front surfaces of the protrusions 222 and 220, respectively.

A circular rotating bracket that is in close contact with the other end of the gear pin 420 and rotates in accordance with the rotation of the gear pin 420 is mounted on the front of the main bracket 480 in such a manner that the gear pin 420 can rotate And prevents the gear pin 420 from being disengaged from the gear bracket 410.

Fig. 4 shows an exploded perspective view of the bolster portion of Fig. 1; Figure 5 shows a cross-sectional view taken along line I-I 'of Figure 1; Fig. 6 is an enlarged perspective view of a part of the bolster part of Fig. 1; Figure 7 shows front views depicting the driving of the side bolster arrangement of Figure 1;

4 to 7, the bottom surface of the first bolster bracket 440 is formed in the form of a rack gear, and the upper end of the other end of the gear pin 420 is engaged with the bottom surface of the first bolster bracket 440 The stitch is formed in the form of a pinion gear.

One end of the second bolster bracket 445 is formed in the form of a rack gear and the other end of the gear pin 420 is engaged with the upper surface of the one end of the second bolster bracket 445, The position of the gear pin 420 is fixed, and the gear pin 420 is moved to both sides according to the rotation of the gear pin 420.

The upper and lower ends of the first and second bolster brackets 440 and 445 are bent forward and brought into close contact with the bent portions of the upper and lower ends of the main frame 200 to form first and second bolster brackets 440 , And 445 are capable of stable sliding movement.

6, one end of the connection bracket 455 is tightly coupled with the other frame of the seatback 15 and the other end is bent toward the connection bracket 465 along the other frame of the seatback 15, And is brought into close contact with the seat back 15.

The other end surface of the connection bracket 455 is in close contact with the other end surface of the first bolster bracket 440 and the first bolster bracket 440 is slidable in a state of being in close contact with the other end of the connection bracket 455.

One end of the connection bracket 455 is rotatably coupled to a central portion of the first bolster 450 through a pin 5 extending upward and downward. The other end of the first bolster 450 is coupled to the first bolster bracket 455, The pin 5 is moved toward the second bolster 460 in the axial direction or toward the other side of the seatback 15 in accordance with the moving direction of the seat back 440.

One end of the connection bracket 465 is tightly engaged with one frame of the seatback 15 and the other end is bent toward the connection bracket 455 along one frame of the seatback 15, .

The other end of the connection bracket 465 is in close contact with the other end of the second bolster bracket 445 and the second bolster bracket 445 is in sliding contact with the other end of the connection bracket 465.

The other end of the second bolster 460 is coupled to the second bolster bracket 445 through the pin 5 extending to the upper and lower portions so as to be rotatable with the central portion of the second bolster 460, The pin 5 is moved toward the first bolster 450 along the axis or toward the other side of the seatback 15 according to the moving direction of the seat back 15.

7, when the connecting unit 340 is lowered through seat seating of the occupant, the gear pin 420 rotates in a forward direction so that the first and second bolster brackets 440 and 445 are spaced apart from each other Move.

The other end of each of the first and second bolster brackets 440 and 445 pushes one end of each of the first and second bolsters 450 and 460 and the first and second bolsters 450 and 460 Each of the other ends presses both sides of the occupant seated on the seat.

As the weight of the occupant increases, the cushion bracket 320 descends and the strength of the first and second bolsters 450 and 460 pushing the body of the occupant increases so that the occupant with a relatively high weight can be stably There is an advantage to support.

The springs 430 and 435 prevent the first and second bolsters 450 and 460 from excessively and suddenly pressing the body of the occupant due to the abrupt fall of the cushion bracket 320, The first and second bolsters 450 and 460 that pull the gear bracket 410 quickly to urge the passenger are separated from the occupant.

8 shows a side view of a side bolster arrangement according to another embodiment of the teachings herein.

The side bolster device 120 according to the present embodiment is substantially the same as the side bolster device 100 of FIGS. 1 to 7 except for the wireless power transmission device 600, so that the same reference numerals and names are used, Is omitted.

As shown in FIG. 8, the side bolster device 120 further includes a wireless power transmission device 600 instead of the driving unit 300 of FIG.

The wireless power transmission apparatus 600 is advantageous in that it wirelessly transmits electric power supplied from a battery or a generator of a vehicle to electronic equipment formed at a lower portion of the seat bottom 12 and coupled to the seat frame 10. [

Specifically, the wireless power transmission apparatus 600 includes a power transmission unit 620, a power reception unit 640, and a connection unit 650.

The power transmitter 620 includes a power transmitter 622 and a transmit coil 624.

The power transmitting unit 620 is connected to a power source inside the vehicle and transmits power wirelessly to the power receiving unit 640. The power receiving unit 640 receives power wirelessly and supplies power to electronic equipment installed on the seat .

The power transmitter 622 is formed in the form of a plate and coupled to the frame of the vehicle and the transmission coil 624 is coupled to the top of the power transmitter 622 and converts the vehicle's power supply into a radio- 624 to the upper side.

The power receiving unit 640 includes a power receiver 642 and a receiving coil 644.

The power receiver 642 is formed in the form of a plate and is coupled to the bottom of the seat bottom 12 and the receiving coil 644 is coupled to the bottom of the power receiver 642 to receive power transmitted from the power transmitter 620 .

One end of the connection unit 650 is coupled to the rear of the power receiver 642 and the other end extends a predetermined distance rearward along the seat frame 10 and then extends upward to be coupled with the bolster portion 400 do.

Therefore, when the occupant sits on the seat bottom 12, the other end of the power receiver 642 and the connecting unit 650 descend, and the other end of the first and second bolsters 450 and 460 moves toward the occupant's body .

The side bolster device 120 can supply electric power to the electronic equipment installed on the seat wirelessly via the power receiver 642 while the power receiver 642 is driven up and down by the first and second bolsters 450 and 460 It is possible to reduce the number of components when power is supplied to the seat wirelessly.

In addition, since the power can be supplied to the seat wirelessly, no cable is required, the maintenance performance of the seat and side bolster device 120 is improved, and various options of electronic equipment installed in the seat itself can be set.

On the other hand, when the occupant sits on the seat bottom 12, the electric power receiver 642 can be operated when the occupant is seated on the seat bottom 12 because the inclination of the seat bottom 12 can vary depending on the type of vehicle, The front or rear of the transmission coil 624 may be inclined forward or backward to be horizontal with respect to the transmission coil 624.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken in conjunction with the present invention. It is to be understood that various equivalents and modifications may be substituted for those at the time of the present application. It is to be understood, therefore, that the above description is intended to be illustrative, and not restrictive, and that the scope of the present invention will be defined by the appended claims rather than by the foregoing description, All changes or modifications that come within the scope of the equivalent concept are to be construed as being included within the scope of the present invention.

100: side bolster device 200: main frame
300: driving part 400: bolster part

Claims (6)

A main frame extending at both ends and respectively coupled to both sides of the seat back of the seat frame;
A driving unit coupled at one end to the lower portion of the seat frame and at the other end to be slidably engaged with the main frame; And
And a bolster portion elastically coupled to the other end of the driving portion and configured to push or pull the rear portion of the bolsters hinged at the center through the pin on both sides of the seat back in the sliding direction of the other end of the driving portion toward both sides and,
Wherein one end and the other end of the driving portion reciprocate by seating or disengagement of the seat frame of a passenger, and the bolsters move toward the occupant or resiliently return to the original position.
The driving apparatus according to claim 1,
And the other end is coupled to the bolster portion so that the other end of the bolster is coupled to the bolster portion of the seat frame.
[3] The apparatus of claim 2,
Wherein when the occupant is seated, the parts coupled to the other end of the driving unit so as to be slidable on both sides of the main frame are spaced apart from each other, and push out part of the bolsters located at the rear of the pin. .
The driving apparatus according to claim 1,
A cushion bracket coupled to a lower portion of the seat frame in a plate form; And
And a connecting unit which is connected to the rear of the cushion bracket at one end and extends in the form of a wire toward an upper portion of the seat frame through a front portion of the seat back of the seat frame to be engaged with the bolster portion. .
[6] The apparatus of claim 4,
A gear bracket that is in close contact with the main frame and is coupled to the other end of the connection unit;
A gear pin having a first end coupled to the gear bracket and coupled to the main frame and the other end protruding forwardly through the main frame; And
And bolster brackets each having one end gear-engaged with the upper and lower ends of the other end of the gear pin, and the other ends extending so as to be spaced apart from each other and hinged to the rear of each of the bolsters. Device.
6. The apparatus of claim 5,
Further comprising: a spring having one end coupled to a lower portion of the gear bracket and the other end extending toward an upper portion and coupled to a protrusion formed on the rear of the main frame.

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