KR100461113B1 - Head rest device of seat for automobile - Google Patents

Abstract

The present invention relates to a head rest installed in an automobile seat,

The conventional headrests installed on the car seatbacks to protect the neck of the occupants are only installed on the car seatbacks to secure the headrests that could not be comforted when the passenger's head was seated in various directions because only the height of the "H" direction was adjusted The headrest that protects the neck of the occupant is applied to the head restraint structure so that the stay part and the pad part can be divided into the three-part movement trajectories. Rado is a device that can fix the position of the head comfortably without shaking in that position.

Description

Head rest device of vehicle seat {Head rest device of seat for automobile}

The present invention relates to a head rest installed on the car seat back to protect the neck of the occupant,

More specifically, the three-segment structure is applied to the headrest so that the stay part and the pad part can have respective movement trajectories in the three-part type so that the passenger's head can be located at any seating position. It relates to a head restraint device for a vehicle seat characterized in that the head posture is fixed comfortably without shaking to provide comfort and convenience.

Recently, as the types of cars are diversified, ergonomic and emotional engineering aspects are emphasized to make the interior of the car more comfortable.

For example, it will be the indoor environment of the next-generation car to allow passengers to have a comfortable and comfortable feeling by installing a variety of seats and adjusting devices to freely adjust the direction of movement of the seats.

In general, as the seat of the automobile supports the elevation and absorbs shock from the road surface and minimizes fatigue, various types of seats are known.

In addition, there is a head restraint that is a device that is installed on the seat to reduce the neck injury by restraining the rear movement of the head in the event of a collision or collision.

The headrest is defined in accordance with the laws and regulations of the country such as the dimensional requirements, the amount of rear movement, the contact area, the shock absorbency and the like.

The headrest may be separate from the one integrated with the seatback.

In addition, other functions of the head restraint are designed to allow passengers to rest in a comfortable position by leaning their heads on the head rest while stopping and to operate the head against the head to relieve fatigue from long-term driving. It is configured to adjust the height of the headrest according to the physical shape.

The head restraint of a vehicle used in the related art has a structure as shown in FIG. 10 and can only adjust the height of the "H" direction 64 so that an additional function can be provided when a passenger's head is seated in various directions. There was no.

In addition, there should be no phenomenon that the head of the passenger from the head restrained to the outside, the prior art has a problem that the simple structure of the passenger simply to support the head of the passenger to ride a comfortable and comfortable travel.

The present invention is invented to solve the problems of the prior art,

The head part of the passenger is installed in the seat back of the car to protect the neck part of the passengers by applying a three-split structure so that the stay part and the pad part can have respective motion trajectories of the three-part type. It is an object of the present invention to provide a head restraint device that can comfortably and comfortably fix a head posture without any shaking in any seating position.

1 is a perspective view showing a side pad rotating part stay of the head restraint device of a vehicle seat according to the present invention;

Figure 2 is a perspective view of the center pad rotation stay of the head restraint device of the vehicle seat according to the present invention

3 is a perspective view showing a stay body of a head restraint device for a vehicle seat according to the present invention;

Figure 4 is an assembly view of the stay portion of the headrest device of the vehicle seat according to the present invention

5 is a perspective view showing a center pad and a side pad of a head restraint device for a vehicle seat according to the present invention;

FIG. 6 is a bottom view of the bottom of FIG. 4; FIG.

7 is a perspective view of the stay unit and the pad unit of the head restraint device for a vehicle seat according to the present invention;

8 is a perspective view showing a bar for stopping rotation of a side pad of a headrest device of a vehicle seat according to the present invention;

Figure 9 is a final assembled perspective view showing the operating state of the head restraint device of the vehicle seat according to the invention

10 is a perspective view of main parts of the structure of the head restraint device of the conventional vehicle seat.

<Explanation of symbols for the main parts of the drawings>

2: 3 split stay part 4: Head restraint device

10: side pad rotating part stay 11: groove

12: pillar 20: stay body

21: vertical member 22: horizontal member

23: hemispherical gear gear 24: coupling hole

25: mounting end 30: center pad rotating part stay

31: Gear Gear 32: Protrusion

40: 3-part pad portion 41: center pad

42: side pad 44: fixing hole

45: mounting groove 1 46: mounting groove 2

50: stop bar

The head restraint device for an automobile seat according to the present invention,

Pad portion 40 having a three-divided structure consisting of left and right side pads 42 for rotating the "Z" axial direction 62 and a center pad 41 for rotating the "Y" axial direction 60. Wow,

Stay body 20 formed integrally with a horizontal member 22 having a hemispherical gear gear 23 at both ends and a pair of vertical members 21 having a c-shaped mounting end at the top, The hemispherical toothed gear 23 is provided with a pair of toothed gears 31 and provided with a center pad rotating part stay 30 rotatably coupled to the mounting end 25 and a hemispherical toothed groove 11. Stay part 2 of the three-part structure which consists of the side pad rotation part stay 10 couple | engages so that it may be rotated by meshing with and

It is made of a cover that can cover the pad portion 40 coupled to the stay portion 2, characterized in that each pad portion can be independently adjusted and fixed.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

4 is an assembly view of the stay portion of the head restraint device for a vehicle seat according to the present invention.

As shown in Figure 4, the stay portion of the three-segment structure according to the present invention

Side pad rotating part stay 10 shown in Figure 1,

Center pad rotating part stay 30 shown in Figure 2,

It consists of the stay main body 20 shown in FIG.

As shown in FIG. 3, the material of the stay body 20 is steel, and the horizontal member 22 and the pair of vertical members 21 are integrally formed.

To both ends of the horizontal member 22, the side pad rotating part stay 10 is coupled to form a hemispherical convex shape toward the outside of the vertical member 21 so as to be rotatable, the gear 23 is formed and the side pad rotating part stay 10 The hole 24 which engages with is formed.

In addition, a pair of mounting ends 25 may be formed at the upper ends of the pair of vertical members 21 so that the center pad rotating part stay 30 may be inserted and coupled thereto.

The mounting end 25 is formed in a U-shape like a facing plate, and is formed as an insertion space into which the gear 31 is inserted.

At this time, the lower end of the insertion space of the mounting end 25 is formed in the concave hemispherical shape so as to be engaged with the tooth gear to be rotatable, the tooth tooth 26 is formed.

As shown in FIG. 1, the material of the side pad rotating part stay 10 may be made of plastic, and may be inserted into and engaged with the gear gear 23 formed at both ends of the horizontal member 22 of the stay main body 20. It is coupled to the gear gear 23 in a semicircle having a sawtooth groove 11 so that each side pad 42 can rotate independently.

In the groove 11 of the side pad swivel stay 10, there is formed a pillar 12 which is rotatably coupled to the hole 24 formed in the gear 23. As shown in FIG.

As shown in FIG. 2, the center pad rotating part stay 30 is made of plastic, and the gears 31 are attached to both ends of the horizontal member, and the U-shaped mounting end is formed on the top of the stay body 20. It is inserted into (25) and engaged so that rotation is possible.

Outside the tooth gear 31, projections 32 are formed in order to more firmly and stably engage the mounting end 25 of the upper end of the vertical member 21 of the stay main body 20.

5 is a perspective view illustrating a center pad and a side pad of a head restraint device for a vehicle seat according to the present invention.

As shown in FIG. 5, the material of the pad 40 is a polyurethane foam, in which a center pad 41 is positioned between a pair of side pads 42.

In addition, the upper surface of the pad 40 is formed with holes 44 into which the rotation stop bar 50 can be inserted.

6 is a bottom view illustrating the bottom of FIG. 4.

As shown in FIG. 6, a mounting groove 45 into which the center pad rotating part stay 30 may be inserted is formed at the bottom of the center pad 41.

In addition, the bottom of the pair of side pads 42 is provided with a mounting groove 46 for inserting the side pad rotating part stay 10 coupled with the stay body 20.

In Figure 7, the three-part pad unit 40,

The state in which the stay part 2 of a three division structure is combined is shown.

8 is a perspective view illustrating a bar for stopping rotation of a side pad of a headrest device of a vehicle seat according to the present invention.

As shown in FIG. 8, the rotation stopping bar 50 is inserted into holes 44 formed in the upper surface of the pad 40, respectively, so that the teeth of the center pad rotating part stay 30 and the stay 10 of the side pad rotating part are not shown. By fixing the teeth of the occupant allows the passenger to fix the pad 40 in the desired position.

Figure 9 is a final assembled perspective view showing the operating state of the headrest device of the vehicle seat according to the present invention.

As shown in FIG. 9, the head restraint device 4 of the vehicle seat according to the present invention has a three-part structure in which the pad part 40 and the stay part 2 are divided so that the center pad 41 is in the "Y-axis" direction. 60, the side pad 42 is rotatable in the "Z-axis" direction 62.

Therefore, the passenger can operate the center pad 41 and the side pad 42 to a desired position, and then use the stop bar 50 to fix the pad 40 at a desired position.

On the other hand, the height adjustment of the head rest according to the present invention is possible by adjusting the length of the stay portion in the same manner as in the prior art.

Therefore, the passenger can fix the head posture comfortably without shaking in that position even if the head is in any seating position.

Therefore, the passenger can be provided with a safe and comfortable head rest as well as a comfortable trip by moving and fixing the head rest to a desired position through a simple operation.

As described above, the head restraint device for a vehicle seat according to the present invention has the following effects.

The head part of the passenger is installed in the seat back of the car to protect the neck part of the passengers by applying a three-split structure so that the stay part and the pad part can have respective motion trajectories of the three-part type. In any seating position, the head position can be fixed comfortably without shaking in that position.

Therefore, the passenger is very effective in solving various conventional problems such as providing a safe and comfortable head rest as well as a comfortable travel by moving and fixing the head rest to a desired position through a simple operation.

Claims (4)

In the headrest of the car seat, Pad portion 40 having a three-divided structure consisting of left and right side pads 42 for rotating the "Z" axial direction 62 and a center pad 41 for rotating the "Y" axial direction 60. Wow, Stay body 20 formed integrally with a horizontal member 22 having a hemispherical gear gear 23 at both ends and a pair of vertical members 21 having a c-shaped mounting end at the top, The hemispherical toothed gear 23 is provided with a pair of toothed gears 31 and provided with a center pad rotating part stay 30 rotatably coupled to the mounting end 25 and a hemispherical toothed groove 11. Stay part 2 of the three-part structure which consists of the side pad rotation part stay 10 couple | engages so that it may be rotated by meshing with and The head restraint device for a vehicle seat, characterized in that the pad part 40 including the stay part 2 covers the entire pad part so as to independently position and fix each pad part. According to claim 1, wherein the U-shaped mounting end 25 is formed with a concave hemispherical shape on the lower surface of the insertion space of the mounting end 25 so that the tooth gear 31 of the center pad rotating part stay 30 is rotated in engagement. A head restraint device for a vehicle seat, characterized in that (26) is formed. According to claim 1, wherein the side pad swivel stay 10 is characterized in that the pillar 12 is formed in the groove 11 to be fastened to the hole 24 formed in the gear gear 31. Vehicle headrest device. 2. The head restraint device for a vehicle according to claim 1, wherein each pad portion (40) includes a stop bar (50) so as to be fixed through a hole in the upper surface after the position adjustment.