KR200284316Y1 - A chair with seat plate capable of movement - Google Patents

Abstract

A chair having a leg frame, a seat frame supported by a leg frame, and a seat plate to be placed on the seat frame, the chair comprising: a pair of first and second horizontal plates fixedly connected to the seat plate and connected orthogonally to at least three The upper plate member fixed to the seat plate having a pair of first vertical plates having the above holes formed therein, the second horizontal plate and the second horizontal plate fixedly connected to the seat frame are connected orthogonally, and the first vertical plate A lower plate member including a pair of second vertical plates spaced apart from each other, and attached to the first vertical plate in a space between the first vertical plate of the upper plate member and the second vertical plate of the lower plate member; There is provided a seat plate moving device including a moving member including a wheel means for moving the back and forth along the first vertical plate of the lower plate member, so that By moving the plates it is possible to provide comfort for the seated person.

Description

A chair with seat plate capable of movement}

The present invention relates to a chair, and more particularly, to a chair having a seat plate moving device capable of moving the seat plate according to the height of the seated person.

With the introduction of Western civilization, the "dental life" has become more common by gradually shifting from "left living" sitting on the floor to "dental living," which is a way of using a rug such as sitting on a chair or sofa. A chair or sofa representing a standing life is one of furniture that is installed in various spaces such as a home, an office, or a business place to allow a user to see a necessary task or take a rest while sitting. In particular, recently, with the spread of computers, students and office workers spend a lot of time sitting in chairs for class or work, so the design of chairs that can provide comfort is urgently needed.

The chair is generally composed of a chair frame consisting of a leg frame, a seat frame, and a back frame, and a backrest which is fixedly connected to a seat plate and a backrest frame on which the hip is seated and rests on the seat frame.

By the way, in most chairs, the seat plate is fixed to the seat frame in most cases. Therefore, when a person with a short height has a short lower body sitting on a seat of a chair that is not suitable for his or her body structure, the seat may sit over the end of the seat and the posture may be poor, and a fatigue may be easily felt. Similarly, if you have a large body and a long lower body, sitting on the rear of the seat is erroneous, and you will feel bad posture and fatigue.

Accordingly, an object of the present invention is to provide a chair capable of moving the seat plate according to the height of the seated person.

1 shows a side view of an example of a chair to which the seat plate according to the present invention is moved.

Figure 2 shows a perspective view of the seat plate moving device of the chair according to the present invention.

3A and 3B show a plan view and a side view of the seat plate shifting device of FIG. 2.

Figure 4 shows a side view of the posture correction chair equipped with a seat plate moving device according to the present invention.

In order to achieve the object of the present invention, in a chair having a leg frame, a seat frame supported by the leg frame, a seat plate to be placed on the seat frame, a pair of first horizontal plates and a first number fixedly connected to the seat plate An upper plate member fixed to the seat plate having a pair of first vertical plates connected at right angles to the plate and having at least three holes formed thereon, and perpendicular to the second horizontal plate and the second horizontal plate fixedly connected to the seat frame; The lower plate member including a pair of second vertical plates connected to each other but spaced apart from the first vertical plate at a predetermined distance, and a first one in a space between the first vertical plate of the upper plate member and the second vertical plate of the lower plate member. Provided is a seat plate shifting device attached to a vertical plate, the seat plate shifting device including a moving member including wheel means for moving the upper plate member back and forth along the first vertical plate of the lower plate member. The.

Further, the seat plate shifting device protrudes from the outer circumferential surface of the pin, the handle extending from the pin, the pin extending from the pin, and an end thereof selectively inserted into a part of at least three or more holes formed in the first vertical plate of the upper plate member. A handler consisting of an annular protrusion and an elastic member disposed between the annular protrusion and the handle and surrounding the outer circumferential surface of the pin, and inserted into a hole of the first vertical plate to accommodate the elastic member of the handler and to which the pin is inserted. And a receptacle attached to at least one of the second vertical plates of the lower plate member such that the pin of the handler is disposed in the same direction as the extending direction of the moving rod of the moving member, thereby allowing the upper plate member to be selectively selected from the lower plate member. It may further include a fixing member for fixing with.

In addition, the pair of first horizontal plates of the upper plate member may have a quadrangular shape, and the upper plate member may further include a third horizontal plate connected to the pair of first vertical plates and positioned on the second horizontal plate of the lower plate member. The second horizontal plate of the lower plate member may have a quadrangular shape, and the lower plate member may further include a pair of third vertical plates connecting the pair of second vertical plates.

The moving member may further include a moving rod connected to the pair of first vertical plates through the other part of three or more holes formed in the pair of first vertical plates of the upper plate member and connected to the wheel means.

The seat plate shifting device further includes a knee cushion on which a seated knee is rented, a knee cushion support plate on which the knee cushion is placed, and a knee cushion support for supporting a knee cushion support plate, wherein the knee cushion support plate and the seat plate face each other. It can also be applied to posture correction chairs that are inclined to have an angle.

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

1 shows a side view of an example of a chair equipped with a seat plate moving device according to the present invention. The chair 100 is supported by a plurality of leg frames 110 and a plurality of leg frames 10 and seat frames 120 connected to upper ends thereof, and seat plates 140 which are placed on the seat frames 120 and slide. ) Is connected to the seat plate moving device 10 and the leg frame 110 and the seat plate 140 installed between the seat plate 40 and the seat frame 120 and includes a backrest frame 150 on which a back cushion is covered. .

2 is a perspective view of the seat plate moving device 10, and FIGS. 3A and 3B show a plan view and a side view of the seat plate moving device 10 of FIG. 2.

The seat plate moving device 10 includes a top plate member 20 fixedly connected to the seat plate 140, a bottom plate member 30 and a top plate member 20 fixedly connected to the seat frame 120, and a bottom plate member 30. And a fixing member 50 + 70 for fixing the positional relationship between the upper member 20 and the lower member 30 for moving on the movable member 60.

The upper plate member 20 has a first horizontal plate 25 at two opposite sides of four sides of the first horizontal plate 25 and the first horizontal plate 25 having a rectangular shape extending parallel to the seat plate 140. Two first vertical plates 26 and 27 extending perpendicular to each other, and wing horizontal plates extending parallel to the first horizontal plate 25 or the seat plate 140 at the ends of the first vertical plates 26 and 27. It consists of (21, 22). The wing horizontal plates 21 and 22 are portions to which the seat plate 140 is attached and fixed, and are designed to have a sufficient width to allow the seated person to stably position on a seat cushion (not shown) to cover the seat plate 140. On both edges of the first vertical plates 26 and 27, there are formed through holes into which the moving rods 60b to be described later are inserted, and between the through holes for the moving rods 60b of the first vertical plates 27. A plurality of through holes is formed. The plurality of through holes have a size such that an end of the fixing member 50 + 70 can be inserted. In FIG. 3A, the plurality of through holes 40 is represented by five.

The lower plate member 30 has a larger size than the first horizontal plate 25 of the upper plate member 20 and has a square second horizontal plate 35 extending in parallel with the first horizontal plate 25. Four second vertical plates 33, 34, which extend from the four sides of the second horizontal plate 35 to the upper side (i.e., toward the wing horizontal plates 21, 22) orthogonal to the second horizontal plate 35. 36, 37 and the first vertical plate of the upper plate member 20 from one side of the vertical plates 36 and 37 of the lower plate member 30 corresponding to the first vertical plates 26 and 27 of the upper plate member 20 ( It consists of the 3rd horizontal boards 31 and 32 extended in parallel with the 2nd horizontal board 35 toward 26,27. The third horizontal plates 31 and 32 of the lower plate member 30 and the first vertical plates 21 and 22 of the upper plate member 20 are not in contact with each other, and the third horizontal plates 31 and 32 and the upper plate member ( The wing horizontal plates 21 and 22 of 20 are spaced apart at predetermined intervals so as not to be disturbed when the upper plate member 20 is slid. In addition, when the seat plate 140 is attached to the wing horizontal plates 21 and 22 and is seated, the third horizontal plates 31 and 32 of the wing horizontal plates 21 and 22 are caused by downward pressure due to the seating. It acts as a supporting jaw to prevent breakage and the like, and provides a space between the third horizontal plates 31 and 32 and the second horizontal plate 35 below the moving rod of the moving member 60. The ball bearing 60a as the wheel means connected to the 60b is accommodated.

As described above, the movable member 60 includes the movable rod 60b inserted into the through holes formed at both edges of the first vertical plates 26 and 27 of the upper plate member 20 and the lower plate member 30. The second plate of the lower plate member 30 is installed in a space below the third horizontal plate 31 and 32, and is connected to the moving rod 60b, between two vertical surfaces 33 and 34 facing the lower plate member 30. It consists of a ball bearing 60a moving along the vertical surface 36.

The fixing member 50 + 70 is for fixing the upper plate member 20 to the lower plate member 30 after the upper plate member 20 is moved a predetermined distance on the lower plate member 30. The handler 50 and the handler 50 consists of a container 70 which penetrates through the side surface 71 and is attached to the second vertical plate 37 of the lower plate member 30. Receptor 70 is not limited to a hexahedron as shown in the figure, so that the handler 50 can be penetrated and attached to the second vertical plate 37, so it may have a hemispherical shape. The portion 72 attached to the second vertical plate 37 in the container 70 is opened to allow the handler 50 to pass therethrough, and the handler 50 is also provided in the corresponding portion of the second vertical plate 37. Holes are formed to penetrate.

The handler 50 is provided at the outer circumferential surface of the handle 51, the pin 52 extending from the handle 51, the elastic member 53 surrounding the pin 52 at the middle of the pin 52, and the pin 52. It consists of an annular protrusion 55 which protrudes. As the elastic member 53, a spring or a rubber ring can be used and a spring is used in this embodiment.

Now, a method of moving the seat plate 140 and the backrest frame 150 connected to the seat plate 140 by using the seat plate shifting device 10 described above will be described.

In order to move the seat plate 140 in accordance with its own extension, first pull the handle 51 of the handler 50 so that the end portion 54 of the pin 52 comes out of the through hole 40 so that the upper plate member is moved. The 20 is freed from the lower plate member 30. At this time, as the pin 52 is drawn out, the spring 53 surrounding the outer circumferential surface of the pin 52 is compressed by the wall 71 and the annular protrusion 55 of the container 70 in which the through holes are formed. Will be. In this state, the upper plate member 20 is not fixed to the lower plate member 30, so that the seat plate 140 attached to the wing horizontal plates 21 and 22 of the upper plate member 20 can be moved. When the seat plate 140 is moved, the ball bearing 60a connected to the moving rod 60b inserted into the through holes at both edges of the first vertical plates 26 and 27 of the upper plate member 20 is the lower plate member 30. The vertical plate 36 moves vertically in the direction perpendicular to the stretching direction of the moving rod 60b. When the seat plate 140 is to be pulled forward, the seat plate 140 is pushed forward to move the pin plate 52 in a straight line with the through hole 40. When the pin 52 is removed, the pin 52 moves toward the first vertical plate 27 of the upper plate member 20 by the restoring force of the spring 53, which is an elastic member. The end 54 passes through the through hole 40. As a result, the upper plate member 20 is fixed to the lower plate member 30. Likewise, when the seat plate 140 is to be moved backward, the seat plate 140 is pushed back to fix the upper plate member 20 to the lower plate member 30 according to the above-described method.

By the above-described method, the seated person's back touches the backrest covering the backrest frame 150 so that the posture is correct.

Meanwhile, in the present embodiment, the through hole 40 through which the pin 52 penetrates is formed only in the vertical plate 27, but the through hole 40 is formed in both the vertical plate 26 and the vertical plate 27. This may be formed, in which case the fixing member (50 + 70) is also a pair, it is to be installed in the vertical plate (36).

4 shows a state in which the seat plate shifting device 10 according to the present invention is applied to a chair for correcting posture. The posture correcting chair 1 ′ of FIG. 4 is connected to both ends of the base 4b and the base 4b and extends above the base 4b and is inclined at a predetermined angle in a direction facing each other. And the knee cushion support plate 7 and the knee fixedly seated on the seat plate 8 and the seat plate cushion 3 and the knee cushion support 4c which are seated on the knee cushion support 4c, the seat cushion support 4a. It consists of a cushion (2). In addition, the posture correcting chair 1 'is connected to the seat plate 8 and positioned between the backrest 8a, the seat plate 8, and the seat plate support 4a which are interlocked with the movement of the seat plate 8, and the seat plate ( 8) the seat plate shifting device 10 for moving the knee cushion 2 toward or away from the knee cushion 2 side, the base 4b, the seat plate cushion support 4a and the base 4b. And a pair of casters 6 provided on the support leg 5 and a pair of support legs 5 extending in a direction perpendicular to the direction of extension of the base 4b at the connection portion of the back and knee cushion support 4c. It further includes. The posture correcting chair is placed more stably by the support legs 5, and the entire posture correcting chair 1 ′ can be freely moved by the caster 6.

When the seat plate 8 is moved by applying the seat plate shifting device of the present invention to the chair for posture correction of FIG. 4, the seat plate 8 is moved forward and backward while adjusting the height of the seat plate 8 by the inclination of the seat plate 8. There is also an effect, it is possible to freely adjust the space between the knee cushion (2) and the seat plate cushion (3) it is easy to ensure a correct posture suitable for the height of the seated person. That is, if the seat plate shifting device according to the present invention is applied to the chair for posture correction, the effect of posture correction is further improved.

In the chair of the prior art, the seat plate cannot be moved, and the seat plate cannot be moved back and forth to match the height of the seated person. However, in the present invention, the upper plate member 20, the lower plate member 30, and the movable member 60 for moving the upper plate member 20 on the lower plate member 30 and the upper plate member 20 and the lower plate member 30 The seat plates 140 and 8 can be freely moved using the seat plate moving device 10 including the handler 50 and the receptor 70 for fixing the positional relationship. Therefore, it is possible to correctly sit in the chair in a comfortable and correct posture in accordance with the height of the seated person can correct the seated position of the seated person, giving comfort to the seated person can feel less fatigue.

Claims (8)

A chair having a leg frame, a seat frame supported by the leg frame, and a seat plate to be placed on the seat frame, A top plate member fixed to the seat plate having a pair of first horizontal plates fixedly connected to the seat plate and a pair of first vertical plates connected at right angles to the first horizontal plate and having at least three holes formed therein; , A lower plate member including a second horizontal plate fixedly connected to the seat plate frame and a pair of second vertical plates connected to orthogonal to the second horizontal plate and spaced apart from the first vertical plate at a predetermined distance; and A wheel attached to the first vertical plate in a space between the first vertical plate of the upper plate member and the second vertical plate of the lower plate member, the wheel for moving the upper plate member back and forth along the first vertical plate of the lower plate member A chair having a seat plate moving device including a moving member including means. 2. The pin according to claim 1, wherein an end thereof is selectively inserted into a part of at least three or more holes formed in the first vertical plate of the upper plate member, a handle extending from the pin, and an outer peripheral surface of the end pin of the pin. A handler comprising a protruding annular protrusion and an elastic member disposed between the annular protrusion and the handle and surrounding the outer circumferential surface of the pin, and the first vertical plate accommodating the elastic member of the handler and into which the pin is inserted. A through hole configured to be inserted into a hole of the receiver, the pin of the handler being attached to at least one of the second vertical plates of the lower plate member such that the pin of the handler is disposed in the same direction as the extension direction of the movable rod of the movable member; It further comprises a fixing member for selectively fixing the upper plate member to the lower plate member A chair comprising a plate shifting device. The chair according to claim 2, wherein said elastic member is provided with a seat plate moving device made of a spring. The pair of first horizontal plates of the upper plate member are rectangular, and the upper plate member is connected to the pair of first vertical plates and positioned on the second horizontal plate of the lower plate member. A chair having a seat plate shifting device further comprising a third horizontal plate. The seat plate shifting device of claim 2, wherein the second horizontal plate of the lower plate member is in a quadrangular shape, and the lower plate member further includes a pair of third vertical plates connecting the pair of second vertical plates. One chair. 3. The movement according to claim 2, wherein the moving member connects the pair of first vertical plates through the other part of three or more holes formed in the pair of first vertical plates of the upper plate member and is connected to the wheel means. A chair having a seat plate shifting device further comprising a rod. The knee cushion support plate of claim 1, further comprising a knee cushion on which the knee of the occupant is rented, a knee cushion support plate on which the knee cushion is placed, and a knee cushion support for supporting the knee cushion support plate. A chair having a seat plate shifting device inclined at an angle to face each other. The chair according to claim 1, further comprising a backrest frame or a backrest connected to the seatplate and moving together when the seatplate moves.