KR20000004639U - Headrest tilting structure of the driver's seat - Google Patents

Abstract

The present invention is manufactured separately from the driver's seat back at the upper part of the driver's seat and connected to the driver's seat back, so that the driver tilts his head backwards and rests at the seat head rest (SEAT HEAD REST) (S). In the related art, the headrest of the driver's seat of the passenger car equipped with the headrest is provided in the related art, but the tilting device structure is complicated and the manufacturing cost is high and thus the manufacturing cost has been increased. It is about solving a problem such as the above and making the same operation while greatly simplifying the structure.

Description

Headrest tilting structure of the driver's seat

The present invention is manufactured separately from the driver's seat back at the upper part of the driver's seat and connected to the driver's seat back, so that the driver tilts his head backwards and rests at the seat head rest (SEAT HEAD REST) (S). In the related art, the headrest of the driver's seat of the passenger car equipped with the headrest is provided in the related art, but the tilting device structure is complicated and the manufacturing cost is high and thus the manufacturing cost has been increased. The conventional tilting device is designed to solve the problems as described above and greatly simplify the structure while performing the same operation. As shown in FIGS. 2 and 3A, 3B, and 3C, a steel plate having a predetermined thickness is cut to a predetermined size. A fixed support section (2) provided with a "c" shaped wall (1) (1a) of the "shaped inclined actuator (R) below both wall (1) (1a) Penetrating the fixed support section (2) and symmetrically downward bending both ends so that the fixed support section (2) is connected and fixed to the upper surface of the driver's seat back (C), and the middle portion of the fixed support section (2) is "c" type Penetrate the both side walls (1) (1a), the coil spring (3) on one side of the fixed support interval (2) is positioned so that the outer peripheral surface of the fixed support interval (2) to be wound and the one end of the coil spring (3) is one side wall ( Inserted into the fixing hole (4) installed in 1a) and the other end of the coil spring (3) is also passed through the fixing support (2) to the lower surface and the ruled jaw (5) is protruded at the upper end of the coil spring (3) The operating plate 7 on which the guide hole 6 is laid laterally is arranged, and the operating plate 7 gives a resilient force to be carried forward by the spring 3a, and the operating plate 7 and the fixed toothed gear ( 8) is spoken, but the fixed toothed gear (8) is welded integrally with the fixed support section (2), and the other side of the coil spring (3) between the operating plate (7) and the reiter gear (8) The ratchet 9 is arranged on the upper end of the ratchet gear 8 so as to be firmly fixed, and the spring fixing section 11 is protruded at the distal end of the ratchet 9 and the spring fixing section 11 is formed. A structure of the "c" type inclined actuator R (tilting device) is formed by interposing a compression spring 12 between the rear wall 1b and the entire surface of the "c" type inclined actuator R. Or it is filled with a soft material such as cotton (12) and then wrapped around the skin to form a head restraint (S), attached to the operating state of the conventional "ㄷ" type inclined operating port (R) tilting device is configured so 3a, 3b, and 3c, a brief description will be given of the fixed support section 2, which is addressed to the "c" type inclined drive opening R, which is fixed to the back of the driver's seat, and the fixed support section 2 and the reclining gear. (8) Also, when the head restraint (S) is flipped back while being fixed, the "c" type inclined actuator (R) built into the head restraint (S) is removed. The "c" shaped wall (1) (1a) is configured to rotate the fixed support interval (2) back to the axis at this time a plurality of ratchet gear teeth to the rear end of the ratchet (9) in sequence to be flipped back in this state When the movement stops, the toothed tip of the ratchet gear is hung and the tilted angle is maintained at a certain angle. When the head restraint is pushed back, the ratchet (9) is moved to the operation plate (7). The end of the ratchet 9 is spaced apart from the teeth of the ratchet gear 8 and the spring fixing section 11 protruding from the end of the ratchet 9 moves along the upper end of the operation plate When the ratchet 9 and the ratchet gear 8 are positioned in the unlocked state while being positioned near the first toothbrush tooth when the ratchet 9 and the ratchet gear 8 are positioned in the unlocked state, the upper part of the operating plate 7 is fixed. Hanging corners (7) popped out of the corner Tooth 9 has a compression force to the first rechit gear so be gwaeji in Et there is a structure configured such that the in situ operation is ended and the device is complex, therefore there are many parts takes the production cost high problems of the compression spring 12.

As the conventional apparatus for producing a large number of parts as described above, there is a problem that the manufacturing cost is high and the manufacturing time is long due to the complicated structure.

1 is a partial cutaway cross-sectional schematic of the head restraint and top of the driver's seat

Figure 2 is a partially cutaway perspective view showing a conventional head restraint structure

Figure 3 is a longitudinal sectional view sequentially showing the structure and operation state of the conventional head restraint

Figure 3a is a conventional tilting device installed inside the head restraint (state) before operation

Figure 3b is a state in which the tilting device tilted completely backwards at a certain angle

3C is a state diagram in which the ratchet and the ratchet gear are forcibly spaced apart when the tilted device returns to its original position and returns to the state of FIG. 3A when the ratchet is completely returned to the original position.

Figure 4 is a partially cutaway perspective view of the tilting device implemented in accordance with the present invention

5 is a longitudinal sectional view sequentially showing a tilting device operating procedure implemented according to the present invention;

5A is a state diagram before operation

5b is a state in which the tilting device is completely tilted backwards at a predetermined angle so that the ratchet and the ratchet gear are forcibly spaced apart from each other

5C is a state diagram in which the tilting device returns to a state where the ratchet and the ratchet gear are spaced apart, and is fully engaged with the ratchet and the ratchet gear again, and then the state of FIG. 5A is completed.

<Code Description of Main Parts of Drawing>

R: Inclined inclined actuator C: Driver's seat back

S: Headrest 1,1a, 50,50a: "ㄷ" wall

2: fixed support 3,61: coil spring

4,63: fixing hole 5: hanging jaw

6,54,59: guideman 7: operating plate

8: fixed ratchet gear 9: ratchet

10: shaft 11: spring fixed interval

12: compression spring 50b: rear wall

51: "a" type ratchet 51a, 51b: ratchet teeth

51c: slope 52,52a: stone

53: hinge 55: compression coil spring

56: between protrusions 57: ratchet gear

57a: bending protrusion 57b: rising surface

58: fixed support interval 60: support protrusion

62: depression

The present invention solves the problems as described above, the simple configuration and the operation of the device is devised so that the simple and clearly described with reference to the accompanying drawings Figures 4 and 5a, 5b, 5c described above "c" In constructing the type inclined actuator R, the approximately “a” type ratchet 51 is formed on the inner surface of one wall 50 of the “c” type wall 50 and 50a of the “c” type inclined actuator R. The length of the toothbrush 51a slightly longer to form the inclined end 51c of the upper end of the tooth 51a, and the other end is freely coupled with the hinge 53 to both sides of the end of the ratchet 51. The protrusions 52 and 52a protrude into the wall 50, but the protrusions 52 protrude from the wall 50 so as to penetrate through the guide hole 54 vertically installed in the wall 50 to be moved up and down within the guide hole 54. The compression coil spring 55 is interposed between the interlude 52a and the rear wall 50b to the interlude 52a protruding from the wall 50 side.

In addition, a plurality of ratchet teeth 51b are formed circumferentially on the upper side of the middle of the ratchet 51 and protrudes a protruding portion 56 by protruding the tip portion on the outer surface of the ratchet teeth 51b. When the bent projection 57a bent the upper end of the bent lug edge 51c formed on the upper end of the ratchet 51, and the other end edge is the end of the "c" -shaped wall when fully tilted back As the inner end of the ratchet 51 teeth 51a is received, a rising surface 57b is formed to push upward the upper side as shown in FIG. 5B with the end of the ratchet 51 attached thereto, and the ratchet 51 has a compression coil spring 55. Compression force is acting on the other side, and the other side of the ratchet (51) is freely inserted into the guide slot 54, when the ratchet (51) is raised to a certain height, the stone stem (52) inserted into the guide slot (54) ) Is a moment that is instantaneously shot up by the spring 55 compression elasticity The ratchet gear 57 is fixed integrally with the fixed support section 58, and the guide hole 59 is horizontally formed in order to accurately guide the forward and reverse rotational movement of the ratchet gear 57. It is installed on the wall 50, and the reclining gear (57) protrudes the support protrusion (60) inserted into the guide hole (59), and the fixed support section (58) located inside the "c" type inclined operating device (R). The coil spring 61 is wound around the outer circumferential surface of the spring 61, and one end of the spring 61 is fixed to the recess 62 of the middle portion of the retreat gear 57, and the other end of the spring 61 is the upper middle of the wall 50a. By installing a fixed hole 63 in the section to be inserted into the fixing hole 63 to be fixed by the "c" type inclined operating port (R) of the head restraint (S) is implemented by the present invention Referring to FIG. 4 and FIGS. 5A, 5B, and 5C attached to the operation state of the "c" type tilt operation tool R implemented as described above, FIG. 4 And FIG. 5A shows the initial state before the tilting, and when the head rest is tilted backward, the fixing support section 58 and the ratchet gear 57 are fixed axially so that there is no change and the "c" wall 1 (1a) is tilted and at this time, the ratchet laid out by the hinge 53 on the wall is fired and tilted like the wall (1) (1a) so that the head restraints are kept tilted and tilted at the required tilt. When the head restraint is to be returned to its original position, the head rest is tilted back to the non-rotating position. As shown in FIG. 5B, the inside of the tooth 51a of the ratchet 51 is formed on the ratchet gear 57. ) And a ratchet positioned at the bottom of the guide hole 54 formed on the "c" -shaped wall 50 by the compression coil spring 55 carried by the ratchet 51 while being lifted up along the other end of the ratchet gear 57. 51) the tip of the ratchet 52 protruding from the ratchet 52 As the tilting force is changed, the displacement of the grip force is changed to change the position of the protrusion 52 to the upper end of the guide slot 54 by the instantaneous repulsive force of the stone 52 positioned below the guide slot 54. 51, the restoring force of the strong spring force coil spring 61 interposed by winding the fixed support section 58 in the state where the tip is raised is inserted into the fixing hole 63 installed in the "c" wall 50a. It is restored to the state of FIG. 5C by the tip restoring force of the bent coil spring 61. At this time, the tip end portion of the protruding section 56 protruding from the ratchet gear 57 in which the tip surface of the tooth 51a of the ratchet 51 is fixed is installed. It is hung on the formed bending protrusion 57a and eventually returns to the initial state as shown in FIGS. 4 and 5a, so that the operation is simple and accurate.

Compared with the conventional structure as described above, the structure is significantly simpler, but its operation is accurate and clear, so there is an excellent effect of achieving ease of manufacture and low production cost.

Claims (1)

In constructing a tilting device for the tilting operation of the head rest (HEAD REST) installed in the driver's seat, Planar hinge 53 is coupled to the inner surface of the one side wall 50 of the "c" wall (50) (50a) planarly (53), the other end of the ratchet (51) length of the tooth (51a) Slightly longer to form the inclined end 52 of the upper end of the tooth (51a) and protruding the protrusion 52 (52a) on both sides of the end of the ratchet (51), but the protrusion 52 protruding toward the wall 50 is the wall 50 The upper and lower motions are allowed to penetrate through the guide hole 54 installed vertically in the up and down), and the compression coil spring is formed between the stiffener 52a and the rear side wall 50b in the ridge 52a protruding on the opposite side of the wall 50 side. 55 interposed therebetween, a plurality of ratchet teeth 51b are formed in a circumferential shape in the upper middle portion at the lower side of the ratchet 51, and a protruding portion 56 is formed by protruding the tip portion on the outer surface of the ratchet teeth 51b. The ratchet which is configured to be inclined to the indentation corner of the inclined end 51c formed at the upper end of the ratchet 51 by forming the bending protrusion 57a by bending the upper end thereof. The support protrusion 60 protrudes from the center portion 57 of the fish, and the protrusion 60 is inserted into the guide hole 59 installed in the “c” -type wall surface 50 so as to be freely moved, and the fixed support interval 58. The coil spring 61 is wound on the outer circumferential surface of the fixed support section 58 located inside the "c" -shaped wall 50 (50a), but one end of the spring 61 is recessed in the midway portion of the retreat gear 57. The device is configured to allow the tank 62 to be fixed and fixed, and the other end of the spring 61 is installed with a fixing hole 63 in the upper middle part of the wall 50a to be inserted and bent into the fixing hole 63. Tilt structure for seat head rest in the driver's seat