KR200478672Y1

KR200478672Y1 - Seat for vehicle

Info

Publication number: KR200478672Y1
Application number: KR2020140005594U
Authority: KR
Inventors: 신재성
Original assignee: 현대다이모스(주)
Priority date: 2014-07-25
Filing date: 2014-07-25
Publication date: 2015-11-04

Abstract

A seat cushion connected to the floor panel so as to be able to move up and down relative to the floor panel when the seat back is folded or unfolded; And a load applying unit coupled to the floor panel and the seat cushion, respectively, for applying a downward or upward load to the seat cushion by being stretched or compressed as the seat cushion moves up and down; Is introduced.

Description

{SEAT FOR VEHICLE}

The present invention relates to a vehicle seat, and more particularly, to a vehicle seat provided with means for applying an assisting force to a seat when folding or unfolding the seat back, thereby facilitating folding or unfolding.

As the use of the vehicle becomes more varied, there is a growing demand for a structure capable of changing the internal structure of a set vehicle depending on circumstances.

Particularly, there may be a need for a space other than a loading box provided for loading a large number of luggage for outdoor activities such as camping, picnic, etc. In order to meet such a need, a vehicle, particularly a hatchback vehicle, The structure of the upholstery sheet is designed so that it can be loaded with the hydrate.

On the other hand, according to KR 10-2013-0049349 "vehicle seat apparatus" in the case of the conventional seat seat, the seat cushion and the seat back are folded and folded in the storage box provided below the seat cushion when folding the seat back through a plurality of link structures Structure.

However, in the case of such a conventional back sheet, when the operator directly folds the sheet, the folding of the sheet occurs at an excessively high speed due to the weight of the back sheet, or when folding is difficult due to the weight of the back sheet A means for applying an auxiliary force to the operation of the bar operator is required.

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 10-2013-0049349

The present invention has been proposed in order to solve such a problem, and provides a vehicle seat having a cylinder that applies an assisting force to a seat cushion moving up and down according to folding or unfolding of a seatback to facilitate folding or unfolding of the seatback It has its purpose.

According to an aspect of the present invention, there is provided a vehicle seat comprising: a seat cushion connected to a floor panel so as to be able to move up and down relative to a floor panel when folding or unfolding a seatback; And a load applying portion which is coupled to the floor panel and the seat cushion respectively at both ends and which is stretched or compressed as the seat cushion ascends and descends to apply a downward or upward load to the seat cushion.

The load applying section includes: a cylinder having an end coupled to the floor panel; And a piston rotatably coupled to the seat cushion at an end thereof and moving in and out of the cylinder by a high-pressure fluid provided in the cylinder.

The load applying section can apply upward load to the seat cushion during compression or extension due to folding or unfolding of the seat back.

The seat cushion may be provided with a bracket having one end pivotally engaged with the seat cushion to freely rotate and the other end to be engaged with one end of the load applying portion.

An operating lever is provided between one end of the load applying part and the seat cushion, one end of which is connected to the bracket by a hinge pin, the other end of which is connected to the load applying part, and the rotating lever is rotated when the wire is pulled to contact one end of the load applying part have.

One end of the load applying part is provided with an operation switch that enables compression or extension of the load applying part when pressed, and the operation lever can press the operation switch when the wire is pulled to enable compression or extension of the load applying part.

The cylinder is provided with a plurality of spaces distinguished by pistons. The pistons are provided with vent holes for passing through the spaces, and the operating switches can open or close the vent holes when pressed so as to enable compression or extension of the load applying portions .

According to the vehicle seat having the above-described structure, when the seat back is folded, the cylinder is given a resistance against folding and the folding is performed slowly, so that injury of the operator by fast folding can be prevented.

In addition, when the seat back is unfolded, the seat cushion is stretched and a force in an upward direction is applied to the seat cushion, thereby unfolding is advantageously facilitated.

1 is a structural view of a vehicle seat according to an embodiment of the present invention;
2 is a view showing an operation of a vehicle seat according to an embodiment of the present invention;

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

FIG. 1 is a structural view of a vehicle seat according to an embodiment of the present invention, and FIG. 2 is a view showing an operation of a vehicle seat according to an embodiment of the present invention.

A seat cushion 120 connected to the floor panel 100 so as to be able to move up and down with respect to the floor panel 100 when folding or unfolding the seatback 110; And both ends are respectively coupled to the floor panel 100 and the seat cushion 120 and are extended or compressed as the seat cushion 120 ascends and descends to apply a load to the seat cushion 120 downward or upward (200).

The seat cushion 120 may be connected to the floor panel 100 by a link 121. The link 121 may be hinged to the floor panel 100 so that one end thereof is hinged to the floor panel 100, The seat cushion 120 may be hingedly coupled to the seat cushion 120 so that the seat cushion 120 can vertically move up and down and move back and forth with respect to the floor panel 100. [

The upper end of the connection bracket 111 and the lower end of the seatback 110 are hinge-pin-engaged with the seat cushion 120. The seat cushion 120 further includes a connection bracket 111 having a lower end fixed to the floor panel 100, The connecting frame 130 is rotatably coupled to the seatback 110 by one end of the seatback 110 and the other end of the connecting frame 130 is fixed to the side of the seat cushion 120, So that the seat cushion 120 can be moved in the front-rear direction and the vertical direction together with the rotation of the link 121 when the seatback 110 is rotated in the front-rear direction.

Therefore, when folding the seat back 110, the seat cushion 120 is moved to the charge room, and when the seat back 110 is unfolded, the seat cushion 120 can be moved upward and downward.

On the other hand, the load applying unit 200 includes a cylinder (not shown) to which the end portion is coupled to the floor panel 100; And a piston (not shown) which is rotatably coupled to the seat cushion 120 at an end thereof and which moves inside and outside the cylinder by a high-pressure fluid provided in the cylinder. Particularly, it is preferable that the load applying unit 200 is a gas lift having a plurality of ventilation holes (not shown) in the piston to perform a damping function with respect to the movement of the piston. By pressing the piston to the outside of the cylinder, So as to generate a resistance against folding at the time of folding and to enable quick unfolding at the time of unfolding.

As another embodiment of the load applying unit 200, a plurality of spaces separated from each other by pistons are provided in the cylinder, and the space is caused to flow through the high-pressure fluid communication holes, When the distance between the cylinder and each end of the piston becomes a predetermined length in accordance with the pressure deviation, the piston is pressed (hereinafter referred to as "pulling force") to the inside of the cylinder and then pressurized to the outside of the cylinder (hereinafter referred to as stretching force) The pulling force may be applied to cause a change in the load acting direction.

Of course, the seat cushion 120 may be structured such that the seat cushion 120 can be lifted and lowered by adjusting the internal gas pressure as required, as well as a gas lift, a separate control device, and a gas supply device. Etc. may be used. Various embodiments are possible in the form of the load applying unit 200.

In addition, as the load applying unit 200, it is also possible to use an elastic body including a spring so as to have a transition point at which a load change occurs between the pulling force and the stretching force at the time of compression or extension.

2 (a) shows a state in which the seatback 110 is fully opened, and FIG. 2 (b) shows a state in which the seatback FIG. 2 (c) shows a state in which the seat back is completely folded.

2 (a) and 2 (b), when the load applying unit 200 is folded or unfolded by the folding or unfolding of the seatback 110, When the seat back 110 is folded in the state (c), as the load applying unit 200 generates a load upward as a resistance against folding and applies an upward load to the seat cushion 120, progressive folding When the unfolded state goes from the state of FIG. 2 (c) to the state of FIG. 2 (b) to the state of state of FIG. 2 (a), by applying an upward load to the seat cushion 120, .

In this case, the layout of the load applying unit 200 should be changed so as to facilitate the unfolding of the seatback 110. In this case, the load applying unit 200 may be configured to apply not only the stretching force but also the pulling force.

The seat cushion 120 may be provided with a bracket 150 having one end engaged with the seat cushion 120 in a freely rotatable manner and the other end engaged with one end of the load applying unit 200.

Between the one end of the load applying unit 200 and the seat cushion 120, one end is hingedly coupled to the bracket 150 and is rotatable, and the wire 140 is connected to the other end of the load applying unit 200 And an operating lever 160 that rotates when the wire 140 is pulled and contacts the one end of the load applying unit 200.

The operation lever 160 is configured to cause the load applying unit 200 to be generated only when the pulling force or the stretching force acts on the operation lever 160. To this end, the load applying unit 200 is pressed And an operation switch 210 for enabling the load applying unit 200 to be compressed or elongated when the wire 140 is pulled up by the operation lever 210. The operation lever 160 presses the operation switch 210 when the wire 140 is pulled, 200 to be compressed or stretched.

Particularly, the structure may be such that the gas holes are closed through the plurality of spaces separated from each other in the gas lift to prevent the flow of gas, thereby maintaining a fixed state without compression or extension. Therefore, when the operating lever 160 is pressed by the operating lever 210, the operating switch 210 is pressed against the elastic force of the elastic body and is opened. And the wire 140 is connected to an external operation lever 112 provided on the seatback 110 and is operated only when the external operation lever 112 for folding or unfolding the seatback 110 is operated The load applying unit 200 may apply an auxiliary force and the load applying unit 200 may be maintained in a fixed state in the other folding state or unfolding state.

In addition, when the seat back is unfolded, the seat cushion is stretched to exert an upward force on the seat cushion to facilitate unfolding.

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

100: Floor panel 110: Seatback
111: Connection bracket 112: External operation lever
120: seat cushion 121: link
130: connection frame 140: wire
150: Bracket 160: Operation lever
200: load application unit 210: operation switch

Claims

A seat cushion connected to the floor panel so as to be able to move up and down relative to the floor panel when the seat back is folded or unfolded; And
A load applying unit coupled to the floor panel and the seat cushion at both ends thereof and applying a downward or upward load to the seat cushion by being stretched or compressed as the seat cushion moves up and down; And it includes a
The seat cushion is provided with a bracket, one end of which is engaged with the seat cushion in a freely rotatable manner, and the other end is engaged with one end of the load applying portion,
An operating lever is provided between one end of the load applying section and the seat cushion, one end of which is connected to the bracket by a hinge pin, the other end of which is connected to the load applying section,
And an operation switch for pressing or stretching the load applying unit is provided at one end of the load applying unit and the operation lever is capable of compressing or stretching the load applying unit by pressing the operation switch when pulling the wire. The vehicle seat.

The method according to claim 1,
The load applying section includes: a cylinder having an end coupled to the floor panel; And a piston rotatably coupled to the seat cushion at an end thereof and moving inside and outside the cylinder by a high-pressure fluid provided in the cylinder.

The method of claim 2,
Characterized in that the load applying section applies an upward load to the seat cushion upon compression or extension due to folding or unfolding of the seat back.

delete

The method of claim 2,
The cylinder is provided with a plurality of spaces distinguished by pistons. The pistons are provided with vent holes for passing through the spaces, and the actuating switch opens the vent holes when pressed so as to enable compression or extension of the load applying portion .