KR200484200Y1 - Seat cushion height adjustment device - Google Patents

Seat cushion height adjustment device Download PDF

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Publication number
KR200484200Y1
KR200484200Y1 KR2020150008473U KR20150008473U KR200484200Y1 KR 200484200 Y1 KR200484200 Y1 KR 200484200Y1 KR 2020150008473 U KR2020150008473 U KR 2020150008473U KR 20150008473 U KR20150008473 U KR 20150008473U KR 200484200 Y1 KR200484200 Y1 KR 200484200Y1
Authority
KR
South Korea
Prior art keywords
torsion bar
seat
seat cushion
seat pipe
twisted
Prior art date
Application number
KR2020150008473U
Other languages
Korean (ko)
Other versions
KR20170002416U (en
Inventor
전태환
Original Assignee
현대다이모스(주)
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 현대다이모스(주) filed Critical 현대다이모스(주)
Priority to KR2020150008473U priority Critical patent/KR200484200Y1/en
Publication of KR20170002416U publication Critical patent/KR20170002416U/en
Application granted granted Critical
Publication of KR200484200Y1 publication Critical patent/KR200484200Y1/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
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • 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
    • B60N2/0284—Adjustable seat-cushion length
    • 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
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0806—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device with pin alignment systems, e.g. with at least one of a plurality of locking pins always aligned w.r.t. at least one of a plurality of pin-receiving elements

Abstract

In the present invention, a seat pipe is mounted on the rear side of a seat cushion frame, the seat pipe having a hollow interior, a seat pipe having a fixing portion formed at one side thereof with a hollow portion extending in a helical shape along a lengthwise direction; And a torsion bar inserted and attached to the seat pipe and configured to be elastically twisted and formed with an engagement portion formed at one end thereof to be fixed to the fixing portion when the seat pipe is inserted into the seat pipe, Wherein the torsion bar is twisted in a twisted direction of the fixing part when the insertion part is inserted into the fixing part which is twisted in a helical shape so that the twisting force is accumulated.

Description

{SEAT CUSHION HEIGHT ADJUSTMENT DEVICE}

The present invention relates to a seat cushion height adjusting device for facilitating assembly of a torsion spring during assembly of a seat cushion height adjusting device.

Generally, a seat of a vehicle includes a seat cushion, a seat back, and a headrest, wherein the seat cushion and the seatback are structured by a seat cushion frame and a seatback frame, respectively.

In recent years, the height of the seat cushion frame can be adjusted by moving the seat cushion frame in the vertical direction with respect to the seat rail so that the seat cushion frame can be adjusted to the body shape of a passenger seated on the seat.

The seat height adjusting device comprises a rotation link connected to the seat rail at the front and rear of the seat cushion frame. A height adjusting device fixed to the seat rail or the seat cushion frame pushes the seat cushion frame, The height of the cushion frame is adjusted. Here, the height adjusting device may be a motor mechanism, and may also be operated by a hydraulic piston.

In this case, when the height of the seat cushion frame is adjusted only by the power of the height adjusting device, a great force is required to raise the weight of the seat to the weight of the occupant in addition to the weight of the seat. The elastic force of the spring is added together with the force of the height adjusting device so as to be smoothly operated.

Such a spring may be a torsion bar, in which a torsion bar is inserted into a hinge pipe mounted at the rear of the seat cushion frame, and a torsion bar is connected to the seat cushion frame so that force is applied to the upward movement of the seat cushion frame through a twisting force do.

However, the above-mentioned torsion bar should be installed so that elastic force corresponding to the twist deformation is accumulated in a state where the seat cushion frame is lowered. In the state where the torsion bar is inserted into the hinge pipe, the torsion bar is forcibly twisted and hooked to the seat cushion frame Accordingly, the work of the operator is very inconvenient, and there is a problem that the worker may be hurt by the elastic force of the torsion bar during the operation.

Accordingly, there is a need for a technique for simplifying the process of installing the torsion bar during the assembly of the seat height adjusting device.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

KR 10-2011-0054530 A (May 25, 2011)

It is an object of the present invention to provide a seat cushion height adjusting device for improving the productivity and work efficiency by simplifying the installation process of the torsion bar in the assembly process of the seat cushion height adjusting device .

In order to achieve the above object, the seat cushion height adjusting device according to the present invention is mounted on the rear side of a seat cushion frame and has a hollow interior. On one side of the seat cushion height adjusting device, ; And a torsion bar inserted and attached to the seat pipe and configured to be elastically twisted and formed with an engagement portion formed at one end thereof to be fixed to the fixing portion when the seat pipe is inserted into the seat pipe, The torsion bar is twisted in the twisted direction of the fixing part as the engaging part is inserted into the fixing part which is twisted in the helical shape at the time of insertion so that the twisting force is accumulated.

The torsion bar is formed so that the one end of the torsion bar is curved from one side to the other side opposite to the other side so that when the torsion bar is inserted into the seat pipe, the torsion bar is twisted in the direction of twisting of the fixing part as it is inserted into the fixing part.

The other end of the torsion bar is bent toward the seat cushion frame. A stopper pin protrudes from the seat cushion frame, and the other end of the torsion bar is engaged with the stopper pin.

The protruding length of the stopper pin of the seat cushion frame is longer than the extended length of the fixing portion of the seat pipe.

The fixing portion of the seat pipe is formed to be inwardly recessed inwardly so as to face each other on the outer circumferential surface, and extends in the longitudinal direction with respect to the circumferential direction so as to maintain a straight shape inside.

The seat cushion height adjusting device having the above-described structure simplifies the installation process of the torsion bar during the assembling process of the seat cushion height adjusting device, thereby improving productivity and work efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a seat cushion height adjusting device according to an embodiment of the present invention; Fig.
2 to 3 are views showing a seat pipe of a seat cushion height adjusting device according to an embodiment of the present invention.

Hereinafter, a seat cushion height adjusting apparatus according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a view showing a seat cushion height adjusting device according to an embodiment of the present invention, and FIGS. 2 to 3 are views showing a seat pipe of the seat cushion height adjusting device according to an embodiment of the present invention.

1, the seat cushion height adjusting device according to the present invention is mounted on the rear side of the seat cushion frame 10 and has a hollow interior. The hollow interior is twisted in a spiral shape along the longitudinal direction A sheet pipe (20) having an extended formed portion (22); And one end portion 34 of which is inserted into the seat pipe 20 so as to be elastically twistable and which is provided with a latching portion 32 When the torsion bar 30 is inserted into the seat pipe 20, when the locking part 32 is inserted into the spiral-shaped fixing part 22, the torsion bar 30 30 are twisted in the twisted direction of the fixing portion 22 to accumulate the twisting force.

As shown in Fig. 1, the seat cushion height adjusting device comprises a rotating link 3 connected to the seat rail 1 at the front and rear of the seat cushion frame 10. A seat pipe 20 is mounted on the rear side of the seat cushion frame 10. The seat cushion frame 10 is connected to the seat cushion frame 10 when the seat cushion frame 10 is rotated, And the height is adjusted from the rotation link 3 as a starting point. Here, a motor may be used as the height adjusting device, and a motor mechanism for adjusting the seat cushion height is already well known in the art, and a detailed description thereof will be omitted.

Particularly, in the present invention, the torsion bar 30 is inserted into the seat pipe 20 for smooth operation when the seat height is adjusted, and the torsion bar 30 is tilted when the seat cushion frame 10 is lowered The upward movement of the seat cushion frame 10 is smoothly performed as the torsional force accumulated during the lifting operation of the seat cushion frame 10 is transmitted to the rotary link 3 through the seat pipe 20 .

The torsion bar 30 is required to work by forcing the operator to twist the torsion bar 30 while the torsion bar 30 is inserted into the seat pipe 20 when the seat pipe 20 is installed. The torsion bar 30 can not be twisted by the force of the operator alone, and it must be twisted and fixed using a separate tool, which requires a lot of work time and effort.

In order to solve the above problem, in the present invention, the seat pipe (20) is formed with a fixing part (22) formed by extending a hollow of the inner part in a spiral manner along the longitudinal direction, And a latching portion 32 is formed to be engaged with the latching portion 22. When the torsion bar 30 is inserted into the hollow portion of the seat pipe 20, the stopper portion 32 is brought into contact with the fixing portion 22 and the stopper portion 30 32 are inserted while being rotated along the twisted shape of the fixing portion 22.

Accordingly, the worker can generate a twisting force in the torsion bar 30 by only pushing the torsion bar 30 to the seat pipe 20, thereby improving work convenience and productivity.

1, the torsion bar 30 is formed such that the latching portion 32 of the one end portion 34 is bent to the other side in the opposite direction from the one side, 20 can be twisted in the twisted direction of the fixing portion 22 as the engaging portion 32 is inserted into the fixing portion 22. [ The torsion bar 32 of the torsion bar 30 is bent 180 ° from one side to the other side so that the locking portion 32 of the torsion bar 30 is engaged with the fixing portion 22 of the seat pipe 20 The position can be fixed. That is, when the torsion bar 30 is inserted into the seat pipe 20 and the seat cushion frame 30 is inserted into the seat cushion frame 20, the locking portion 32 of the side end portion 34 is caught by the fixing portion 22 of the seat pipe 20, 10, one end of the torsion bar 30 is rotated together with the seat pipe 20 so that the twisting force of the torsion bar 30 can be transmitted to the seat pipe 20.

The other end 36 of the torsion bar 30 is bent toward the seat cushion frame 10 and a stopper pin 12 protrudes from the seat cushion frame 10, The end portion 36 can be engaged with the stopper pin 12. [ The other end 36 of the torsion bar 30 is bent to one side from the other side by 90 degrees and the stopper pin 12 protrudes from the seat cushion frame 10, The stopper pin 12 can be engaged with the stopper pin 36 to fix the position.

The protruding length of the stopper pin 12 of the seat cushion frame 10 may be longer than the extended length of the fixing portion 22 of the seat pipe 20. [ That is, the protruding length of the stopper pin 12 is longer than the extended length of the fixing portion 22 of the seat pipe 20, so that when the torsion bar 30 is inserted into the seat pipe 20, The other end portion 36 of the torsion bar 30 can be caught by the stopper pin 12 of the seat cushion frame 10 at the time when the torsion bar 30 comes into contact with the fixing portion 22. The other end 36 of the torsion bar 30 is caught by the stopper pin 12 when the torsion bar 30 is inserted into the hollow interior of the seat pipe 20, The torsional force can be accumulated by being twisted while the fastening portion 32 of the fastening portion 22 is connected to the fastening portion 22.

The stopper pin 12 may be detachably attached to the seat cushion frame 10 and the stopper pin 12 may be provided with a separate extension member so that the length thereof can be selectively adjusted.

2 to 3, the fixing portion 22 of the seat pipe 20 may be extended from one side of the seat pipe 20 such that the hollow portion thereof is twisted in a spiral manner along the longitudinal direction .

The fixing portion 22 of the seat pipe 20 is a portion of the seat pipe 20 which is formed by spirally extending the hollow portion along the longitudinal direction at one side of the seat pipe 20, So that the rotation can be limited. That is, when the engaging portion 32 of the torsion bar 30 is inserted into the fixing portion 22, the one end portion 34 of the torsion bar 30 is positioned in the seat pipe 20 . Particularly, the fixing portion 22 is extended so that the inner hollow portion of the sheet pipe 20 is twisted in a spiral shape along the longitudinal direction, so that the engaging portion 32 formed at the one end portion 34 of the torsion bar 30, The twist force can be accumulated while being rotated upon insertion of the arm 22.

As described above, the seat cushion height adjusting device according to the present invention is characterized in that when the torsion bar 30 is inserted into the seat pipe 20 when the torsion bar 30 is inserted into the seat pipe 20, The other end 36 of the torsion bar 30 is engaged with the stopper pin 12 formed on the seat cushion frame 10. [ In this state, when the torsion bar 30 is pushed into the seat pipe 20 by applying a force to the torsion bar 30, the other end 36 of the torsion bar 30 is caught by the stopper pin 12 The twisting force is generated in the torsion bar 30 itself as the locking portion 32 of the one end portion 34 is inserted while being rotated in the direction in which the fixing portion 22 is twisted.

Since the torsion bar 30 can be easily installed only by pushing the torsion bar 30 into the seat pipe 20, the process of installing the torsion bar 30 is simplified, thereby improving productivity and work efficiency.

Although the present invention has been shown and described with respect to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit of the invention, which is provided by the following claims It will be apparent to those of ordinary skill in the art.

10: Seat cushion frame
12: Stopper pin
20: Sheet pipe
22:
30: Torsion bar
32:
34: one end
36: the other end

Claims (5)

A seat pipe mounted on the rear side of the seat cushion frame and hollow inside, and having a fixing portion formed at one side thereof with a hollow portion extending in a helical manner along the longitudinal direction to be twisted; And
And a torsion bar formed at one end of the seat pipe and having an engaging portion for receiving the seat pipe and fixed to the seat pipe when the seat pipe is inserted into the seat pipe,
Wherein when the torsion bar is inserted into the seat pipe, the torsion bar is twisted in a twisted direction of the fixing part as the engaging part is inserted into the fixing part which is helically twisted, so that the twisting force is accumulated. The method according to claim 1,
Wherein the torsion bar is formed so that the one end of the torsion bar is curved from one side to the other side in the opposite direction so that the insertion of the torsion bar when the seat is inserted into the seat pipe is twisted in the direction of twisting Device. The method according to claim 1,
Wherein the other end of the torsion bar is formed to be bent toward the seat cushion frame, and a stopper pin protrudes from the seat cushion frame, so that the other end of the torsion bar is engaged with the stopper pin. The method of claim 3,
Wherein the protruding length of the stopper pin of the seat cushion frame is longer than the extended length of the fixing portion of the seat pipe. delete
KR2020150008473U 2015-12-24 2015-12-24 Seat cushion height adjustment device KR200484200Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020150008473U KR200484200Y1 (en) 2015-12-24 2015-12-24 Seat cushion height adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020150008473U KR200484200Y1 (en) 2015-12-24 2015-12-24 Seat cushion height adjustment device

Publications (2)

Publication Number Publication Date
KR20170002416U KR20170002416U (en) 2017-07-05
KR200484200Y1 true KR200484200Y1 (en) 2017-08-14

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KR2020150008473U KR200484200Y1 (en) 2015-12-24 2015-12-24 Seat cushion height adjustment device

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003525163A (en) 2000-03-03 2003-08-26 ソシエテ ド ルシェルシュ デテュード エ ド ヴァロリザティオン Automotive seats designed to accept safety belts
JP2007230253A (en) * 2006-02-27 2007-09-13 Fuji Kiko Co Ltd Seat lifter
KR100879241B1 (en) 2007-09-10 2009-01-19 현대자동차주식회사 Seat cushion high and low control device of seat for vehicle
JP2009040286A (en) 2007-08-10 2009-02-26 Tachi S Co Ltd Lift assistant mechanism used for seat lifter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101579315B1 (en) 2009-11-18 2015-12-22 주식회사다스 Height adjust apparatus of seat cushion for vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003525163A (en) 2000-03-03 2003-08-26 ソシエテ ド ルシェルシュ デテュード エ ド ヴァロリザティオン Automotive seats designed to accept safety belts
JP2007230253A (en) * 2006-02-27 2007-09-13 Fuji Kiko Co Ltd Seat lifter
JP2009040286A (en) 2007-08-10 2009-02-26 Tachi S Co Ltd Lift assistant mechanism used for seat lifter
KR100879241B1 (en) 2007-09-10 2009-01-19 현대자동차주식회사 Seat cushion high and low control device of seat for vehicle

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