KR20110092992A - Chair for teaching tool - Google Patents

Abstract

PURPOSE: A chair for teaching tool is provided to increase space efficiency and to easily load a lateral support by the same mechanism. CONSTITUTION: A chair for teaching tool includes a board(10), a plurality of guide plates(30), a board fixing frame(40), and a lateral support(60). First and second guide bars are projected to both sides of the lateral support. A first guide groove is formed in the guide plate. A left fixing frame is installed to cover the lateral support.

Description

Parish Chair {Chair For Teaching Tool}

The present invention relates to a parish chair, and more particularly, to a parish chair which can be easily rotated and folded in a seat by a simple guide frame structure.

The chair is used for the user to sit and perform various tasks. The user's posture becomes unstable because the center of gravity of the user's upper body and the center line of the chair change over a long period of use. When you lean to the side, the two centerlines coincide and you feel a sense of stability. However, when the user sits with the upper body leaned forward, the front of the user's spine is contracted, the back of the back tension is a major cause of disc and various spinal diseases. If you lean forward in this way, various organs, including the lungs, are depressed, which can affect oxygen intake, impaired blood circulation, chronic indigestion, muscle tension, fatigue accumulation, myopia risk and poor learning. will be.

Therefore, in order to solve this inconvenience, the user must sit firmly in the chair, which is impossible to sit on the chair for a long time only by the conscious effort of the user, and it is accompanied by various pains when sitting for a long time.

Thus, in the case of an office chair, a chair is developed and used so that the user's lumbar spine can be straightened by rotating the seat plate forward when the user is seated.

However, the conventional office chair that can be rotated seat plate is a complicated structure, the production cost is expensive, so there is a problem that is difficult to apply to a chair that must be manufactured at a low cost and simple structure, such as a parish chair.

Accordingly, Korean Patent Registration No. 10-0512607 has proposed a teaching chair capable of rotating the seat plate, the structure of the teaching chair is shown in FIG.

As shown in FIG. 1, the chair for teaching aids according to Korean Patent Registration No. 10-0512607 is formed in the form of a "∩" from the rear leg 112 so that the back support frame 112a is coupled to the upper part. In the chair for teaching aids consisting of a seat plate portion 100 mounted on the horizontal support frame 119 extending horizontally on the rear support frame 113, the horizontal support frame 119 on the rear support frame 112a. A horizontal frame 114b having a "]" shape is fixedly mounted on the rear leg 112 with one end hinged and spaced below the horizontal support frame 119, and fixed between the front ends of the horizontal frame 114b. The rod 120 is provided with any one of the locking grooves 113a of the seat plate support bracket 113, the upper portion of which is rotatably coupled to both sides of the horizontal support frame 119, which supports the seat plate 110. 20) the angle of inclination of the seat plate 110 is The upper plate 117 to be adjusted and inclined by the separate fixing frame 118 to the upper end of the front support frame 114 is formed integrally extended to be supported on the ground at the front end side of the horizontal frame (114b) ) Is detachably mounted and a bracket 116 having a front locking groove 116a is mounted on an inclined section of the front support frame 114 to couple both support fixtures 115b on the locking groove 116a. It has a structure in which the knee support 115 is mounted to be adjustable in height.

However, the registered patent is not easy to adjust the angle of inclination of the seat plate 110, the seat plate 110 is fixed to the horizontal support frame 119, it is impossible to fold the seat plate 110 to load the chairs There are disadvantages.

The present invention has been made to solve the above problems, the object of the present invention is a simple guide frame structure is easy to rotate the seat plate and folding the seat plate is cheap manufacturing cost is easy to fold when not in use, the teaching aid To provide a chair.

According to one aspect of the present invention for achieving the above object, the first and second guide rods are formed on both sides protruding from the seat plate, the inner side is coupled to the side of the seat plate, the first side is opened at the tip 1 guide groove is formed, a pair of guide plate formed with a second guide groove in the form of a long hole on the rear end, the seat plate fixing frame is coupled to the outer surface of the guide plate and installed to surround the seat plate, the seat plate fixing Legs extending downward from the frame, and is provided on the lower end of the seat plate is provided with a teaching chair comprising a horizontal support for supporting the front end of the seat plate when the seat plate is rotated.

Here, the lumbar support hinged to the rear end of the seat plate is preferably further included.

In addition, the first fixing groove is formed in the inner side of the first guide groove bent downward so that the first guide rod is seated, the second guide groove is formed to be curved downward to seat the second guide rod 2 ~ 4 It is more preferable that the fixing groove is formed continuously so that a predetermined distance apart.

According to another aspect of the present invention for achieving the above object, the first and second guide rods are formed on both sides of the seat plate protruding, the first guide is installed so as to surround the seat plate, one side open at both ends A seat plate fixing frame having a groove formed therein, and having a second guide groove having a long hole shape at a rear end thereof, a leg portion extending downward from the seat plate fixing frame, and a seat plate provided at a lower portion of the seat plate when the seat plate is rotated. A teaching chair is provided comprising a horizontal support for supporting a front end of the.

Here, the first fixing groove is formed to be curved downward to the first guide rod is seated inside the first guide groove, the second guide groove is formed to be curved downward to seat the second guide rod 2 ~ 4 It is preferable that the fixing groove is formed continuously so that a predetermined distance apart.

According to the present invention as described above, the seat plate is easy to rotate, but the unit price is low, the price competitiveness is excellent, there is an effect that can bring increased sales.

In addition, both the rotation of the seat plate and the folding of the seat plate can be implemented by the same mechanism, so there is an effect of maximizing space efficiency due to easy loading when not in use.

1 is a perspective view illustrating a chair for a teaching aid according to Korean Patent No. 10-0512607.
Figure 2a is a perspective view showing the structure of the teaching chair according to the first embodiment of the present invention, Figure 2b is a partially enlarged view thereof.
3A to 3C show a seat plate rotation operation, FIG. 3A shows an initial state, FIG. 3B shows a seat plate forward state, and FIG. 3C shows a seat plate rotation state.
Figures 4a to 4d shows a seat folding operation for the chair loading, Figure 4a is a lumbar support folded state, Figure 4b is a forward state of the seat, Figure 4c is a seat upright state, Figure 4d shows a seat backward It is.
5 is a side view showing the structure of the chair for the teaching aid according to the second embodiment of the present invention.

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

Figure 2a is a perspective view showing the structure of the chair for the parishioner according to the first embodiment of the present invention, Figure 2b is an enlarged perspective view thereof.

As shown in Figure 2, the teaching chair according to the present invention is a seat plate 10, lumbar support 20, guide plate 30, seat plate fixing frame 40, legs 50 and horizontal support 60 It is configured to include).

The seat plate 10 forms a flat plate to support the buttocks of the user, and two pairs of guide rods 11 protrude from both sides. The guide rod 11 may be formed in a form in which the rod is joined to the lower portion of the seat plate 10 in addition to the protruding manner from the side of the seat plate 10. As will be described later, the two guide rods 11 are spaced apart from each other at a distance suitable for rotation and folding of the seat 10 by forward and backward movement of the seat.

Lumbar support 20 is hinged through the hinge coupling member 70 to the rear end of the seat plate 10 is configured to be rotatable forward. In order to prevent the back pivot of the lumbar support 20, the stopper portion 11 is extended to the rear end of the seat plate 10 so that the lower end portion 21 of the lumbar support 20 is positioned at the stopper portion 11 in the vertical position. It is supposed to come in contact. And, although not shown in the drawings, the engaging portion between the lumbar support 20 and the hinge coupling member 70 by forming a plurality of locking jaws and corresponding locking grooves to the front rotation angle of the lumbar support 20 in multiple stages It is desirable to be able to adjust.

Guide plate 30 is a key component for the rotation and folding of the seat plate 10, is coupled to both sides of the seat plate 10 through the guide rod (11). The guide plate 30 is a plate-shaped metal member, and a first guide groove 32 having one side open at a front end thereof is formed, and a second guide groove 33 having a long hole shape is formed at the rear end side thereof. A protruding portion 31 is formed downward at the open end side of the guide plate 30 to guide the forward movement of the seat plate 10. The first guide groove 32 is formed with a first fixing groove 32a curved downwardly so that the guide rod 11 is seated therein. The second guide groove 33 is continuously formed such that the second to fourth fixing grooves 33a, 33b, and 33c which are curved downward are seated so that the guide rod 11 is seated.

Seat plate fixing frame 40 is coupled to the outer surface of the guide plate 30 and installed in a "c" shape to surround the seat plate 10 to support the seat plate 10 fixedly. Although not shown in the drawing, the upper frame is formed upwardly at the rear end of the seat plate fixing frame 40 in a “∩” shape, so that the backrest member may be installed on the upper frame.

The leg part 50 extends downward from the seat plate fixing frame 40 to support the load of the seat plate 10.

The horizontal support 60 is installed to connect between the front leg portions 50 to reinforce the strength of the leg portion 50, and located below the tip of the seat plate 10, as described below, the seat plate 10 It provides a function of supporting the front end of the seat plate 10 during the rotation of the).

In the present embodiment, only the chair is disclosed, the desk corresponding to the chair may be formed integrally with the chair, when the user's body is moved forward by the rotation of the seat plate 10 by installing a knee support on one side of the desk The knee can be supported to allow stable sitting.

Hereinafter, with reference to Figures 3 to 4 will be described in detail the seat plate rotation operation and folding operation of the chair for the parishioner according to the first embodiment of the present invention.

Seat rotation

3A to 3C show a seat plate rotation operation, FIG. 3A shows an initial state, FIG. 3B shows a seat plate forward state, and FIG. 3C shows a seat plate rotation state.

In the initial state as shown in FIG. 3A, the front guide rod 11 is positioned in the first fixing groove 32a of the first guide groove 32, and the rear guide rod 11 is formed of the second guide groove 33. 3 is located in the fixing groove 33b.

As shown in FIG. 3B, when the user pulls the seat plate 10 forward for the seat plate rotation, the front guide rod 11 moves forward along the protrusion 31 while leaving the first fixing groove 32a, and then moves to the first plate. The guide groove 32 is separated, and the rear guide rod 11 moves forward while leaving the third fixing groove 33b and is seated in the second fixing groove 33a.

As shown in FIG. 3C, when the front guide rod 11 leaves the first guide groove 32, there is no part capable of supporting the front end portion of the seat plate 10, and thus the front end portion of the seat plate 10 moves downward by gravity. While rotating, it is supported by the lower horizontal support 60, and at this time, the rear guide rod 11 is operated as the rotation shaft.

Folding seat motion

4a to 4d illustrate a seat folding operation for loading a chair, FIG. 4a shows a lumbar support folded, FIG. 4b shows a forward state of a seat, FIG. 4c shows a seat upright, and FIG. 4d shows a seat backward. will be.

In the state in which the lumbar support 20 is folded as shown in FIG. 4A, the front guide rod 11 is positioned in the first fixing groove 32a of the first guide groove 32, and the rear guide rod 11 is the second guide. Located in the third fixing groove 33b of the groove 33, the lumbar support 20 is rotated forward so that the front surface of the lumbar support 20 is folded to abut the upper surface of the seat plate 10.

As shown in FIG. 4B, when the user pulls forward the seat plate 10 on which the lumbar support 20 is folded, the front guide rod 11 moves forward along the protrusion 31 while leaving the first fixing groove 32a. Then, the first guide groove 32 is separated, and the rear guide rod 11 moves forward while leaving the third fixing groove 33b and is seated in the second fixing groove 33a.

As shown in FIG. 4C, when the user lifts the front end of the seat plate 10 upward while the front guide rod 11 is separated from the first guide groove 32, the rear guide rod 11 is rotated as a pivot. The seat plate 10 is in a vertically upright state.

As shown in FIG. 4D, when the user pushes the seat plate 10 backward in the state in which the seat plate 10 is vertically upright, the second guide groove 33 moves away from the second fixing groove 33a while the guide rod 11 at the rear thereof leaves the second fixing groove 33a. The seat plate 10 folding is completed while moving backward along the) and seated in the fourth fixing groove 33c.

When the seat 10 is folded as shown in FIG. 4D, an empty space is created in the seat plate fixing frame 40, and another chair is inserted into the empty space to load the chair in multiple stages.

5 is a side view showing the structure of the chair for the teaching aid according to the second embodiment of the present invention.

The teaching chair according to the second embodiment is the same as that of the first embodiment except that the configuration of the guide plate 30 of the first embodiment is omitted and the corresponding configuration is formed on the seat plate fixing frame 40.

As shown in FIG. 5, first guide grooves 41 having one side are formed at both ends of the seat plate fixing frame 40, and second guide grooves 43 having a long hole shape are formed at the rear ends thereof. The inner side of the first guide groove 41 is formed with a first fixing groove 42 which is bent downward so that the front guide rod 11 is seated, and the rear guide rod is seated in the second guide groove 43. The second to fourth fixing grooves 43a, 43b, and 43c, which are curved downwardly, are continuously formed to be spaced apart by a predetermined distance.

Even when the first guide groove 41 and the second guide groove 43 are formed on the seat plate fixing frame 40, the rotation and folding operations of the seat plate 10 are the same as those of the first embodiment, and thus descriptions of the operations are omitted. Let's do it.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it is possible to make various modifications or variations without departing from the spirit and scope of the invention. Accordingly, the appended claims will cover such modifications and variations as fall within the spirit of the invention.

10: seat 11: jamming jaw
20: lumbar support 30: guide plate
31: protrusion 32: first guide groove
32a: first fixing groove 33: second guide groove
33a to 33c: second to fourth fixing groove 40: seat plate fixing frame
50: leg 60: horizontal support
70: hinge coupling member

Claims (5)

In the parish chair,
A seat plate on which both first and second guide rods protrude;
As the inner surface is coupled to the side of the seat plate, a pair of guide plates having a first guide groove having one side open at the front end, the second guide groove of the long hole shape is formed at the rear end,
A seat plate fixing frame coupled to an outer surface of the guide plate and installed to surround the seat plate;
A leg portion extending downward from the seat plate fixing frame;
And a horizontal support installed at the lower end of the seat plate to support a front end of the seat plate when the seat plate is rotated.
The method of claim 1,
Parish chair, characterized in that it further comprises a lumbar support hinged to the rear end of the seat plate.
The method of claim 1,
Inside the first guide groove is formed a first fixing groove which is bent downward to seat the first guide rod, the second guide groove is formed to be curved downward to seat the second guide rod 2 to 4 fixed The parish chair, characterized in that the groove is formed continuously to be spaced apart a certain distance.
In the parish chair,
A seat plate on which both first and second guide rods protrude;
A seat plate fixing frame provided to surround the seat plate, the first guide groove having one side open at both ends thereof, and the second guide groove having a long hole shape formed at the rear end thereof;
A leg portion extending downward from the seat plate fixing frame;
And a horizontal support installed at the lower end of the seat plate to support a front end of the seat plate when the seat plate is rotated.
The method of claim 4, wherein
Inside the first guide groove is formed a first fixing groove which is bent downward to seat the first guide rod, the second guide groove is formed to be curved downward to seat the second guide rod 2 to 4 fixed The parish chair, characterized in that the groove is formed continuously to be spaced apart a certain distance.

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