KR20120137202A - Up and down type chair - Google Patents

Abstract

PURPOSE: A height adjustable chair is provided to improve the availability of the chair and to be used for multipurpose. CONSTITUTION: A height adjustable chair comprises a chair part(10) consisting of a supporting part and a seat back, and a leg part(20) installed in the bottom surface of the chair part. The leg part comprises an upper frame(21) mounted in the lower part of the supporting part, first and second link member(22,23) which are connected to the upper frame and are formed in an X-shape, a lower frame(24) which supports the lower part of the link member, and a shock absorber(25) which expands and contracts the link member.

Description

Upright and down type chair {Up and down type chair}

The present invention relates to a sitting chair for two seats, more specifically, the chair can be used to switch the seat or sitting as needed, which is not only very useful, but also can be used for both seats can be provided by the simple operation structure It is about a standing chair.

In general, a table used in a normal home or a restaurant is divided into a sitting table that can be used on a chair and a sitting table that is used on a floor. These sitting tables and a sitting table are preferred according to a familiar lifestyle or a user's taste or need. Will be used.

In general, a standing chair is provided with a leg of a certain height and a seat and a backrest on the leg to fit the height of the standing table, and, unlike the standing chair, a legless chair is made of a legless backrest and a backrest. Is usually used.

Conventionally, it is not possible to use a sitting chair used for a standing table on a sitting table, but the conventional sitting chair is widely used to adjust its height to suit a user's physical condition. Its own legs make it impossible to use it in a conventional sedentary table.

Therefore, in the related art, separate upright chairs and seated chairs used in the standing table and the seating table are clearly distinguished, and there is an inconvenience of preparing separate chairs for each table, and a plurality of chairs having different shapes are provided. The effective use of residential space is not only difficult but also a burden on the cost side.

Korean Utility Model Registration (No. 20-0345224) 2004. 03. 05.

The present invention is to solve the problems as described above, the present invention can be used to convert the chair to the standing or sitting as needed, as well as very versatile as it is possible to use the multi-use by one chair It is possible to eliminate the inconvenience in storage, and also to provide a sitting chair for both chairs convenient to use by eliminating the inconvenience of operation is provided with a simple operation structure.

According to a feature of the present invention, in the chair consisting of a chair unit (10) integrally formed of the seat (11) and the backrest (12), and the leg portion (20) provided on the bottom of the chair unit (10);

The leg portion 20 includes an upper frame 21 mounted below the pedestal 11;

First and second link members 22 and 23 having an upper end connected to the upper frame 21 to form an X shape;

A lower frame 24 on which lower ends of the link members 22 and 23 are supported;

A seated body comprising a shock absorber 25 connected to one of the link members 22 and 23 to expand and contract the link members 22 and 23 so that the chair part 10 moves up and down. Combination upright chairs are provided.

According to another feature of the invention, the chair portion 10 or the leg portion 20 is provided with an operation means 30 to operate the shock opsor 25, the operation means 30 is an operating lever 31, a connecting line 32 connected to the operating lever 31 and extending toward the shock opsor side, and connected to an end of the connecting line 32, by the operating lever 31, the shock absorber ( There is provided a sitting chair for both chairs, characterized in that consisting of the operating mechanism 33 to touch 25).

As described above, according to the present invention, the leg portion 20 is provided to be movable up and down by the X-shaped link members 22 and 23 that are stretched and contracted by the shock opposer 25, so that the user can Accordingly, the height of the chair unit 10 can be adjusted to be used as a seated or upright chair, thereby eliminating the inconvenience of using a chair because the seated chair and the upright chair are separately provided as in the prior art. There is an advantage that can eliminate the hassle of storage and use by having a standing chair at the same time.

In addition, the present invention is provided with a control means 30 to operate the shock opsor 25 without a large force, it is possible to conveniently perform the seating or standing switching of the chair, the operation means 30 ) Is provided to simply operate the operation port 33 connected to the connecting line 32 by the operation lever 31 is not only very simple in configuration, but also provides convenience in maintenance by manufacturing convenience and breakdown accordingly There is an advantage to this.

1 is an exploded perspective view showing an embodiment of the present invention
2 is a cross-sectional view showing an operating state according to an embodiment of the present invention.
Figure 3 is a cross-sectional view showing another operating state according to an embodiment of the present invention

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, description will be made with reference to the accompanying drawings.

1 to 3 illustrate an exploded perspective view and a cross-sectional view and an operational state diagram according to an embodiment of the present invention. As shown in Figures 1 to 3, the present invention adjusts the height by the configuration of the leg portion 20, which will be described later the chair portion 10 consisting of the seat 11 and the backrest 12 or sitting chair The upper frame 21 of the rectangular frame is mounted on the bottom of the pedestal 11, and the lower portion of the upper frame 21 is coupled to each other to form an X shape. The link member 22 and the second link member 23 are provided in pairs, respectively, and at the lower ends of the link members 22 and 23, the lower frame has a substantially rectangular frame shape similar to the shape of the upper frame 21. 24 is provided.

In this configuration, the inner surface of the upper frame 21 and the lower frame 24 is formed with a guide-shaped guide rail 27, respectively, one end of the link member 22, 23 is the upper frame 21 ) Or roller 28 is provided so that the other end is moved along the guide rail 27 in a hinged state to the lower frame 24, such link members 22, 23 are provided in a rod shape having a predetermined length. The central portions in the longitudinal direction are hinged to each other.

In addition, the link members 22 and 23 are provided with a shock absorber 25 which expands and contracts the link members 22 and 23 so that the chair part 10 is moved up and down. The link members 22 and 23 are stretched and operated to support the link members 22 and 23 while the chair part 10 is raised while moving the chair part 10 up and down, thereby firmly seating the chair part 10. To support it.

The shock absorber 25 is provided with a piston rod having a predetermined stroke in the cylinder body in which nitrogen gas or oil is loaded therein, and when the piston rod is stretched by an external force, the resistance of the gas or oil in the cylinder body is reduced. In the present invention, the shock opsor 25 is provided so that the shock opsor 25 is operable by itself rather than operated by a separate driving means unlike the conventional pneumatic or hydraulic cylinder. Not only is it simple, but also makes the overall configuration of the table compact.

In addition, at least one end of the shock absorber 25 is hinged to the upper frame 21, the lower frame 24, or the link members 22 and 23 so that the chair 10 can be easily lifted and lowered. Corresponding to the members 22 and 23, it is erected upward or laid horizontally.

In addition, when operating the link member (22, 23) in a folded or unfolded state to operate the operation means in the position of the backrest 12 of the chair portion 10 to facilitate the initial operation of the shock absorber 25 30 is provided, the operation means 30 is connected to the operation lever 31 and the operation lever 31, the connecting line 32 extending to the shock absorber 25 side and the connecting line 32 Composed of the operating sphere 33 is coupled to the end of the rotation of the operation lever 31 by pulling the connecting line 32 by the operating sphere 33 touches the shock absorber 25, By applying an external force to the shock absorber 25 is to be made to operate easily.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

Claims (2)

In the chair consisting of a chair portion 10 consisting of a pedestal 11 and the backrest 12 and a leg portion 20 provided on the bottom of the chair portion 10;
The leg portion 20 includes an upper frame 21 mounted below the pedestal 11;
First and second link members 22 and 23 having an upper end connected to the upper frame 21 to form an X shape;
A lower frame 24 on which lower ends of the link members 22 and 23 are supported;
A seated body comprising a shock absorber 25 connected to one of the link members 22 and 23 to expand and contract the link members 22 and 23 so that the chair part 10 moves up and down. Combination upright chair.
  According to claim 1, wherein the chair portion 10 or the leg portion 20 is provided with an operating means 30 to operate the shock opsor 25, the operation means 30 is an operating lever 31 ), A connecting line 32 connected to the operation lever 31 and extending toward the shock opsor side, and connected to an end of the connecting line 32 and connected by the operating lever 31 to the shock absorber 25. Combination seating chairs, characterized in that consisting of an operating mechanism 33 to be touched.

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