KR20150001986A - The Seat Back Frame Having Tilting Fuction Of Upper Panel - Google Patents

The Seat Back Frame Having Tilting Fuction Of Upper Panel Download PDF

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Publication number
KR20150001986A
KR20150001986A KR1020130075183A KR20130075183A KR20150001986A KR 20150001986 A KR20150001986 A KR 20150001986A KR 1020130075183 A KR1020130075183 A KR 1020130075183A KR 20130075183 A KR20130075183 A KR 20130075183A KR 20150001986 A KR20150001986 A KR 20150001986A
Authority
KR
South Korea
Prior art keywords
upper panel
link
back frame
hinged
seat back
Prior art date
Application number
KR1020130075183A
Other languages
Korean (ko)
Inventor
황도연
Original Assignee
주식회사다스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사다스 filed Critical 주식회사다스
Priority to KR1020130075183A priority Critical patent/KR20150001986A/en
Publication of KR20150001986A publication Critical patent/KR20150001986A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/20—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/2222—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable the back-rest having two or more parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/30—Seat or seat parts characterised by comprising plural parts or pieces

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The present invention relates to a seat back frame having a tilting function of an upper panel, which comprises a lower bracket supporting a lower portion of a passenger of a passenger, an upper panel hinged on the lower bracket to support an upper portion of a passenger, And a four-bar link coupled to an inner side of the lower bracket and the upper bracket so that the upper panel is rotated forward and backward on the lower bracket. The present invention can provide comfort to the passenger's comfort by adjusting the rotation of the upper panel, can easily adjust the rotation of the upper panel, requires a lot of parts and reduces the manufacturing cost of the seat back frame, There is an effect that parts projected to the outside of the seat disappear, thereby preventing injury due to collision of the rear passenger due to sudden braking and improving the seat appearance.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a seat back frame having a tilting function of an upper panel,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a seat back frame having a tilting function of an upper panel, and more particularly to a seat back frame having a tilting function of an upper panel in which an upper panel provided on a lower bracket of a seat back frame is rotated in a two- To a seat back frame.

BACKGROUND ART [0002] Automobile seats are generally divided into a seat back frame which can be leaned largely on the back of a passenger, a seat cushion which is a sitting portion of an occupant, and a headrest which can lean against the head. The frame is installed in a manner that adjusts the inclination angle in the forward and backward directions.

However, when the automobile travels over a long distance, the waist portion of the occupant may be supported in a fixed state under the seat back frame to provide a sense of comfort, but the back portion of the occupant may have to bend forward or backward When the back is further bent, the distance between the seat back and the seat back frame becomes far away, and the backrest is not fully supported. When the backrest is further tilted, the seat back frame is fixed. .

In order to solve such a problem, conventionally, in order to adjust the rotation of the upper panel provided on the lower bracket of the seat back frame, a driving motor is provided at a point where the lower bracket and the upper panel are hinged, A rack-and-pinion gear is provided to achieve rotation of the upper panel.

However, since many components such as a driving motor and a rack and pinion gear are applied to rotate the upper panel as described above, there is a disadvantage that the cost for manufacturing the seat back frame is increased.

On the other hand, Japanese Patent Application Laid-Open No. 20-0220996 (Patent Document 1) and Published Utility Model No. 20-1998-037908 (Patent Document 2) disclose technologies for controlling the seat back frame supporting the back portion of a passenger, Have been disclosed.

The above Patent Documents 1 and 2 disclose a method in which a top portion of a back frame supporting a waist of a passenger is rotated and adjusted so that the seat back frame (backrest) supporting the passenger's back can be adjusted, .

Therefore, in order to improve the ride quality and to reduce the injury of the occupant when the vehicle collides or collides with the vehicle, There is an inconvenience that the dial or the lever projected into the seat back must be turned and that the dial or the lever is protruded to the outside of the seat back, And many components such as rack gears, pinion gears, spur gears, and rails are applied, and the cost of manufacturing the seat back frame is still rising.

Registration Utility Model No. 20-0220996 Open Utility Model No. 20-1998-037908.

In order to solve the above-described problems, the seat back frame having the tilting function of the upper panel according to the present invention is configured such that the upper panel of the frame is tilted so that the back part of the occupant is appropriately supported, .

In order to achieve the above-described object, the seat back frame having the tilting function of the upper panel according to the present invention comprises a lower bracket for supporting a lower portion of a passenger's shoulder, a lower bracket hinged on the lower bracket, And a four-bar link coupled to an inner side of the lower bracket and the upper bracket so as to allow the upper panel to be rotated forward and backward on the lower bracket, wherein the upper panel is a seatback frame having a tilting function .

The four-link link includes a lower link fastened and fixed to the inside of the lower bracket, a rear link having one end hinged to one side of the lower link and the other end hinged to an inner rear of the upper panel, A front link hinged at one end to the other side and hinged at the other end of the front link and hinged at the other end of the rear link; And a seat back frame having a tilting function of the upper panel.

And a seat back frame having a tilting function of an upper panel to which a return spring is mounted is provided at a lower portion of the rear link.

Wherein the return spring is engaged with a central pin of the rear link at one end and a hinge pin secured to the rear link and the lower link by the hinge of the rear link so as to provide elasticity at the time of forward rotation of the upper panel, And a seat back frame having a tilting function.

And the fastening pin is a seat back frame having a tilting function of an upper panel in which a cutout groove is formed in the longitudinal direction so that the other end of the return spring is hooked.

And a seat back frame having a tilting function of an upper panel in which a step adjustment latch is unlocked on the lower link when the upper panel is rotated forward is hinged to the inside of the upper panel.

The step regulating lette is a seat back frame having a tilting function of an upper panel which forms a gear tooth to be engaged with the lower link at a lower end and a latch hole into which one end of a spring is inserted at the other end of the lower end.

And the lower link is a seat back frame having a tilting function of an upper panel in which at least two gear grooves to be meshed with the single-row adjusting knit are arranged at an upper end thereof.

And a seat back frame having a tilting function of an upper panel interposed between the upper panel and the single row adjustment latches, wherein a spring for returning the row of adjustment knots to the original position and guiding locking of the plurality of adjustment rows is provided after forward rotation of the upper panel .

The spring has a tilting function of the upper panel which is inserted and held in the latching hole of the step regulating latch and the other end is inserted into the latching hole of the upper panel and is pulled back to return to the original position, And a seat back frame.

As described above, according to the seat back frame having the tilting function of the upper panel according to the present invention, since the upper panel is tilted and its rotation is adjustable, it is possible to provide comfort and comfort in the back support of the occupant.

Further, since the multi-stage adjustment is possible when the rotation of the upper panel is adjusted, it is possible to easily adjust the rotation of the upper panel, in addition to the advantage of matching various body specifications of the occupant.

In addition, since many parts such as the rack gear and the pinion gear, the driving motor, the spur gear, the dial or the lever are not required, it is possible to reduce the production cost of the seat back frame.

In addition, as described above, since the lever and the dial do not protrude outside the seat, it is possible to prevent injury due to collision of the rear passenger due to sudden braking and to improve the seat appearance.

1 is an overall perspective view showing a seat back frame having a tilting function of an upper panel according to the present invention;
FIG. 2 is a partial perspective view showing components near A required for rotational tilting of the upper panel shown in FIG. 1; FIG.
Fig. 3 is a perspective view showing components separated in the vicinity of A shown in Fig. 1; Fig.
Fig. 4 is a perspective view showing the components near A shown in Fig.
Fig. 5 is a perspective view showing the other state of Fig.
Fig. 6 is a view showing the engagement structure of a return spring provided inside the rear link, omitting the rear link shown in Fig. 5; Fig.
Fig. 7 is a side view showing parts near A in a side view of Fig. 2, in a dotted line. Fig.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the limits of scope of the invention, , And should be interpreted based on technical ideas throughout the specification of the present invention.

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

1, a seat back frame having a tilting function of an upper panel according to the present invention includes a lower bracket 10 supporting a lower portion of a passenger's shoulder, An upper panel 20 which is engaged with the lower panel 10 and is capable of rotating forward and backward to support the upper part of the passenger's shoulder and a front panel 20 which is installed inside each of the lower panel 10 and the upper panel 20, (Not shown) to be implemented.

As shown in FIG. 2, the four-link link is composed of a lower link 60, a rear link 50, a front link 40, and an upper link 30. The links 60, 50, 40, Are mounted on the inner side of the lower bracket (10) and the upper panel (20) to realize the front and rear rotation control of the upper panel (20).

Referring to FIG. 3, the lower link 60 is inserted into the fastening holes 10a and 10b of the lower bracket 10 and the insertion holes 60a and 60b of the lower link 60, as shown in FIGS. And is fixed inside the lower bracket 10 by the inserted fastening pins 11a and 11b.

3, the rear link 50 may be inserted into the insertion hole 60b of the lower link 60 and the hinge hole 50b of the rear link 50, And the other end is hinged by the fastening pin 24 inserted into the fastening hole 20b of the upper panel 20 and the hinge hole 50a of the rear link 50. [ do.

3, the front link 40 is inserted into the insertion hole 60a of the lower link 60 and the hinge hole 40b of the front link 40, And the other end is hinged by the fastening pin 23 inserted into the fastening slot 20a of the upper panel 20 and the hinge hole 40a of the front link 40. The other end is hinged by the fastening pin 11a, do.

3, the upper link 30 is connected to the hinge hole 40a of the front link 40 and the hinge hole 30a of the upper link 30, One end is hung by the pin 23 and the other end is hinged by the hinge hole 50a of the rear link 50 and the hinge hole 30b of the upper link 30 by the hinge pin 24 .

3, the lower link 60 is fastened and fixed to the inside of the lower bracket 10, and the rear link 50 is fastened to the lower bracket 10 The front link 40 is hinged to the other side of the lower link 60 and the other end is hinged to the rear side of the upper panel 20, The upper link 30 is hinged to the other end of the front link 40 and the other end is hinged to the other end of the rear link 50 at the same time.

6, a return spring 90 is mounted on the lower portion of the rear link 50. One end of the return spring 90 is engaged with the central shaft rod 51 of the rear link 50, And the other end is engaged with a coupling pin 11b hinged to the rear link 50 and the lower link 60 to provide elasticity in forward rotation of the upper panel 20. [

The other end of the return spring 90 is engaged with a cutout groove 11bb formed in the longitudinal direction of the fastening pin 11b.

A step adjustment latch 70 is interposed between the inside of the upper panel 20 and the rear link 50. The step adjusting latch 70 is inserted into the insertion hole 21 of the upper panel 20 A hinge shaft 71 is accommodated in the hinge shaft 80 and hinged to the hinge shaft 80. A gear tooth 73 formed on the lower end of the hinge shaft 80 is engaged with a gear groove 62 formed on the lower link 60, And one end of the spring 91 is hooked on the formed locking hole 72. [

The gear teeth 61 and 62 formed on the lower link 60 are arranged in at least two positions so that they are locked when the gear teeth 73 of the single adjustment latch 70 are engaged, So that the rotation of the upper panel 20 can be adjusted by a multi-tilt system.

One end of the spring 91 is hooked on the latching hole 72 of the step adjusting latch 70 and the other end is hooked on the latching hole 22 formed in the lower part of the upper panel 20.

Hereinafter, the operation of the seat back frame having the tilting function of the upper panel according to the present invention will be described.

Referring to FIG. 3, as shown in FIG. 7, when the upper panel 20 is forced to rotate forward, the upper panel 20 is rotated forward. At this time, since the rear link 50 also rotates forward, The upper panel 20 rotating forward by the return spring 90 caught by the central shaft rod 51 of the upper panel 20 has elasticity and the stage adjustment latch 70 has a spring 91 So that the gear teeth 73 are detached from the gear groove 62 on the lower link 60 and unlocked.

In this process, when the rear link 50 rotates forward, the upper link 30 pushes the front link 40 forward, and the fastening pin 23 inserted into the fastening slot 20a of the upper panel 20 The front link 40 is rotated forward by the pushing force of the upper link 30 as it moves toward the upper end of the fastening slot 20a.

The upper panel 20 is forwardly rotated in a predetermined direction so that the unlocked stepped adjustment latch 70 is rotated backward by the resiliency of the spring 91 and returned to the original position, The upper panel 20 which is locked while being squeezed with the other gear groove 61 arranged on the lower link 60 is fixed in a state of being resilient by the return spring 90.

When the upper panel 20 is to be rotated backward and returned to its original position, the locking of the single-row adjusting latch 70 is released while the upper panel 20 is rotated forward, and at the same time, the elasticity of the return spring 90 The upper panel 20 is rotated backward and returned to the home position.

10: lower bracket 10a, 10b: fastening hole
11a, 11b: fastening pin 11bb:
20: upper panel 20a: fastening hole
20b: fastening hole 21: insertion hole
22: latching ball 23, 24: fastening pin
30: upper link 30a, 30b: hinge ball
40: front link 40a, 40b: hinge ball
50: rear link 50a, 50b: hinge ball
51: central shaft
60: lower link 60a, 60b: insertion hole
61, 62: Gear groove
70: Singularity adjustment latch 71: Hinge ball
72: latching hole 73: gear tooth
80: Hinge shaft
90: return spring 91: spring

Claims (10)

A lower bracket supporting the lower portion of the passenger's shoulder;
An upper panel hinged on the lower bracket to support an upper portion of the back of the occupant capable of rotating forward and backward;
A four-bar link coupled to an inner side of the lower bracket and the upper panel to allow the upper panel to rotate forward and backward on the lower bracket;
The seat back frame has a tilting function of the upper panel. The method according to claim 1, wherein the four-
A lower link fastened to the inside of the lower bracket;
A rear link having one end hinged to one side of the lower link and the other end hinged to an inner rear of the upper panel;
A front link hinged at one end to the other side of the lower link and the other end hinged at an inner front side of the upper panel;
An upper link hinged at one end to the other end of the front link and hinged at the other end of the rear link;
The seat back frame has a tilting function of the upper panel. 3. The method of claim 2,
And a return spring is mounted on a lower portion of the rear link. 4. The apparatus of claim 3, wherein the return spring
Wherein one end of the upper link is engaged with a central shaft rod of the rear link and the other end is engaged with a hinge fastening pin of the rear link and the lower link to provide elasticity at the time of forward rotation of the upper panel. . The connector according to claim 4,
And a cutout groove is formed in the longitudinal direction so that the other end of the return spring is hooked. [2] The apparatus of claim 1,
And a step regulating lattice for releasing locking on the lower link is hinged when the upper panel is rotated forward. 7. The apparatus according to claim 6,
A gear tooth which is engaged with the lower link on a lower side;
A latching hole in which one end of the spring is inserted into the other end of the lower end;
Wherein the seat back frame has a tilting function of the upper panel. 3. The apparatus of claim 2,
And at least two gear grooves are formed on the upper end of the seat back frame so as to be meshed with the single row of adjustment knits. 7. The apparatus of claim 1 or 6, further comprising:
And a spring for guiding the locking by returning the single-row adjusting knob to the original position after the forward rotation of the upper panel is interposed therebetween. 10. The apparatus of claim 9,
And the other end is inserted into the latching hole of the upper panel and is hooked, thereby pulling the step regulating latch to return to the original position. Back frame.
KR1020130075183A 2013-06-28 2013-06-28 The Seat Back Frame Having Tilting Fuction Of Upper Panel KR20150001986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130075183A KR20150001986A (en) 2013-06-28 2013-06-28 The Seat Back Frame Having Tilting Fuction Of Upper Panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130075183A KR20150001986A (en) 2013-06-28 2013-06-28 The Seat Back Frame Having Tilting Fuction Of Upper Panel

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KR20150001986A true KR20150001986A (en) 2015-01-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180137353A (en) * 2017-06-16 2018-12-27 주식회사다스 Adjuster of seat back shoulder of car
KR20220032304A (en) * 2020-09-07 2022-03-15 (주)케이엠앤아이 Seat-back having Shoulder Adjuster

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180137353A (en) * 2017-06-16 2018-12-27 주식회사다스 Adjuster of seat back shoulder of car
KR20220032304A (en) * 2020-09-07 2022-03-15 (주)케이엠앤아이 Seat-back having Shoulder Adjuster

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