KR101090420B1

KR101090420B1 - Chair folding device for table attached chair

Info

Publication number: KR101090420B1
Application number: KR1020090014963A
Authority: KR
Inventors: 윤대호
Original assignee: 주식회사 진성기업
Priority date: 2009-02-23
Filing date: 2009-02-23
Publication date: 2011-12-06
Also published as: KR20100095916A

Abstract

The present invention relates to a chair automatic folding device of a chair-integrated table, and more particularly, in order to limit the angle of the chair of the chair-integrated table to be automatically folded, the present invention provides a lower frame configured at the bottom of the table. And a chair integrated table having a chair foldable by connecting a chair leg configured such that a chair leg configured at the bottom of the chair moves up and down by the elastic force of the coil spring, wherein the chair is vertically coupled to the end of the lower frame. As a cylindrical cylinder that is inserted into and fixed in the bottom of the vertical support and the vertical support is composed of a ring-shaped fixed block is fixed to the top of the inner circumference, the screw thread is provided in the center and the guide groove is formed on the upper surface And "a" shaped cylinders, for one side to be combined with a vertical stand. A ring-shaped flow block having guide pins corresponding to the guide grooves is fixedly coupled to a lower outer peripheral surface of the insert in a state of being inserted to penetrate the fixed block, and the other side of the connection frame and the fixed frame are coupled to the leg support. Disclosed is an integrated table chair automatic folding device comprising a coil spring in which ends are fixed to a block and a floating block and surround a connecting frame.

Table, chair integrated table, folding device

Description

Chair automatic folding device of chair integrated table {CHAIR FOLDING DEVICE FOR TABLE ATTACHED CHAIR}

The present invention relates to a chair automatic folding device of a chair-integrated table, and more particularly, the table and a plurality of chairs are integrally combined, the folding operation is automatically made when not using each chair, the chair is folded It relates to a chair automatic folding device of the integrated table for limiting the angle so that the rotation is possible only in a range having a predetermined angle around the support point.

Typically, the table consists of a top plate and a lower frame for supporting it, and uses a separate chair separated from the table.

However, the chair that is separated from the table has to be pushed into the table after use to arrange the table. Also, in order to use the chair, the chair has to be pulled up and used.

Because of these problems, the chair-integrated table has a structure in which the chair is pulled out when the frame and the hinge structure are connected to the conventional table and the chair, and the chair is folded and the chair is pushed under the table when not in use. Has been provided, it is further developed to be automatically folded so that the user can get out of the chair and present the chair integrated table of the structure that the chair is automatically folded, the effect that can effectively utilize the space where the table is placed, hand It offers the advantage of automatically folding the chair without touching it.

However, as described above, in general, the table and the plurality of chairs are integrally combined, and the chair-integrated table made of the automatic folding structure of the automatic folding type is configured to be rotatable in an approximately 360 ° range around the support point of the chair. Like general freestanding chairs, there was an advantage of freedom of rotation and direction change.However, in the case of chairs without a backrest due to this driving, the positions of the stationary chairs are not determined. In order to use the chair located deep inside the table, the user had to bend over and find the chair, and when the chair is configured to enable the chair to be used in a comfortable position for a long time, the backrest collides with the table top and generates noise. And because of this, This problem is easily broken by an external shock occurred.

The present invention has been made to solve the problems of the prior art as described above, the chair is automatically folded when the user is out of the chair by using the chair automatic folding device of the chair-integrated table, to limit the folding angle to a certain range It is an object to facilitate the use of a chair integrated table by allowing the chair to rotate only within.

In addition, the object of the present invention is to prevent noise generated when the top plate of the chair and the table collide with each other and damage caused by the top plate.

In order to achieve the above object, the present invention is connected to the lower frame configured at the bottom of the table, and the chair leg is configured to be raised and lowered by the elastic force of the coil spring the chair leg configured at the bottom of the chair folding the chair A chair integrated table having a structure, comprising: a vertical support consisting of a ring-shaped fixing block fixedly coupled to an upper end of an inner circumferential surface as a cylinder that is vertically coupled to an end of the lower frame; A control cap inserted into the lower end of the vertical support and fixed to the cylinder, having a screw thread at a center thereof, and an induction groove formed at an upper surface thereof; A ring-shaped flow block having a guide pin corresponding to the guide groove is fixedly fixed to the outer peripheral surface of the lower end of the insert in a state in which the one side is inserted to penetrate the fixing block so as to be coupled with the vertical support. , The other side is connected to the chair leg connecting frame; Ends are fixed to the fixed block and the floating block, respectively, the coil spring of the form surrounding the connecting frame; made, including, the guide groove is a guide corresponding to the rotation radius of the guide pin interlocked as the chair is folded induction pin The insertion and rotation path is formed, but when the chair is folded, it stops at the support point, which is the stop position of the lower part of the table. Characterized in that formed in the range of.

In addition, the vertical support has a cover in the form of surrounding the inner shaft coupling at the top, and the bottom is fastened to the threaded fasteners are formed in the upper direction to form a support cap coupled to receive a portion of the bottom of the vertical support It is preferable.

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In addition, the adjustment cap is preferably configured to be larger than the upper end of the diameter of the lower end portion equal to the diameter of the vertical support step is further formed.

In order to achieve the object of the present invention, the present invention is a chair-integrated table in which a chair and a table are integrally formed, and the chair is automatically folded without touching the chair, and the rotation is possible only within a predetermined range around a support point. Therefore, it is effective to provide an easy-to-use chair integrated table while reducing the risk of damage by preventing collision with other components in the folding process.

In addition, since it consists of fewer components than previously required parts to perform the folding operation, there is an effect that the assembly and replacement of parts is easy.

Hereinafter, the chair automatic folding device of the chair-integrated table according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a structure of a chair integrated table according to the present invention.

The lower leg 10 configured at the bottom of the table (a) and the chair leg 60 configured at the bottom of the chair (b) are configured to be movable in the vertical direction by the elastic force of the coil spring (70). In the chair-integrated table consisting of a chair and a table integrally connected to each other, the chair-integrated table to which the chair automatic folding device 100 according to the present invention is automatically applied to define the folding angle of the chair. have.

At this time, when the chair (b) is normally pulled out to sit the chair located at the bottom of the table (a), so that the chair leg 60 configured at the bottom of the chair is caught on the ground so as not to interfere with the folding operation. It is configured to float in the air in a state spaced apart from, and when the weight is loaded on the chair coil spring 74 configured in the interior of the chair 60 is compressed while the chair is lowered and the support 61 is in contact with the ground ( b ').

In order to drive the chair up and down, the coupling relationship between the components configured at the bottom of the chair will be described in detail below with reference to the following drawings.

2 is a cross-sectional view showing the elevating drive of the chair leg.

Cylindrical chair leg 60 is attached to the bottom of the chair (b) is configured, is fitted to the outer peripheral surface of the body of the chair leg as an element for coupling to the tail, the chair leg by elastic force Configures a chair leg 70 of the cylindrical shape configured to be raised and lowered.

At this time, the chair leg 70 is coupled to the upper and lower ring-shaped fixing blocks 71 and 72, respectively, so that the chair legs 60 are coupled through, so as to be positioned below the upper fixing block 71. The ring-shaped floating block 73 is coupled to the chair leg 60, and the coil spring 74 is coupled between the floating block and the lower fixed block 72.

That is, Figure 2 (a) is a state in which the chair (b) is floating in the air in a state that is normally spaced from the ground, Figure 2 (b) is loaded with weight on the chair inside the chair leg 70 As the coil spring 74 is configured to be compressed, the chair is lowered and the support 61 attached to the bottom of the chair leg 60 is shown in contact with the ground. When the weight loaded on the chair is removed, the coil spring is removed. By the elastic force is to be restored to the form shown in Figure 2 again.

As such, when the weight is removed from the chair b, the coil spring expands and lifts the chair, whereby the support 61 is lifted off the ground, and the support of the chair rises from the ground, thus leaving the chair spaced apart from the ground. It has a structure in which the folding operation to enter or exit the bottom is smoothly performed.

3 is a plan view showing the operating state according to the folding of the chair according to the present invention, the chair integrated table to which the chair automatic folding device 100 according to the present invention is applied, as shown in the drawing, the chair (b) is usually a table (a) When the chair is pulled out and the chair is taken out to sit on the chair, the coil spring 50, which is configured inside the vertical support 20, expands and stores the force, and when the user leaves the chair, the coil spring rests on the restoring force of the coil spring. It is automatically folded so that it will enter the original position at the bottom of the table.

At this time, when the chair (b) is automatically folded to enter the bottom of the table, as shown in the figure, if the backrest is configured in the chair, the backrest hit the table top plate, noise is generated, and frequently In addition, there is a problem that is easily damaged by the external impact applied to the chair, and even in the case of a chair that does not constitute a backrest, the chair is not positioned so that the chair is frequently located deep below the table. The user had to bend over to find the chair and was uncomfortable.

The present invention for solving this problem is to limit the folding angle of the chair to limit the position of the automatically folding chair to a certain radius while connecting the chair frame and the lower frame configured at the bottom of the table and the chair and table bottom Combination structure of the chair automatic folding device 100 according to the present invention is configured as a one-piece, and the chair receiving device 70 is configured in the chair leg 60 to automatically folding by limiting the angle of the chair folding FIG. Has been shown.

5 shows a coupling relationship between the elements constituting the automatic chair folding apparatus 100 according to the present invention.

Chair automatic folding device 100 of the chair integrated table according to the present invention is a cylindrical vertical support 20 and vertically coupled to the end of the lower frame 10 configured at the bottom of the table (a) inside the bottom of the vertical support An insertion groove 32 that can define the folding angle of the chair from the support point is inserted into and fixed to the connection connecting the control cap 30 and the chair leg 70 and the vertical support 20 formed on the upper surface It consists of a "b" shaped bent cylindrical connecting frame 40 and the coil spring 50 located inside the vertical frame.

The vertical frame 10 has a ring-shaped fixing block 21 is fixedly coupled to the upper end of the inner circumferential surface, ring-shaped on the outer peripheral surface of the lower body of the body inserted into one side of the connection frame 40 through the fixing block The flow block 41 is constituted.

In addition, the induction pin 42 protruding in the downward direction of the flow block 41 is formed, the induction pin is interlocked as the chair is folded to flow to have a predetermined rotation radius.

At this time, the induction groove 32 is formed to correspond to the rotation radius of the induction pin, the induction pin is inserted into the induction groove to form a path that flows by the angle of the chair is folded so that the chair may be folded only within a certain path. It is preferably configured to limit.

In this way, as the weight on the chair is removed after using the chair, the chair's backrest, which forms the chair by limiting the angle of the chair that is automatically folded due to the elasticity of the coil spring, does not hit the table top or the chair does not have a backrest. By limiting the position of the chair integrated table to configure the use of the chair more convenient.

In addition, the adjustment cap 30 is provided with a screw thread 31 on the central circumferential surface, and combines the support cap 23 in the form of accommodating a lower portion of the vertical support as shown in the drawing, the support cap It is preferable to configure the fixing portion 24 formed in the upper direction of the screw to be fixed to the height adjustment by coupling.

In addition, it is preferable to cover the inner coupling structure to form a cover 22 of a form covering the upper part of the vertical support.

In addition, the adjustment cap 30 is larger than the upper end of the diameter of the lower end, the configuration is equal to the diameter of the vertical support so that the stepped jaw 33 is formed so that the vertical support is easier to replace parts later on And, the stepped to act as a locking step in the coupling with the vertical support to achieve a more rigid coupling, but will not be limited to this form.

Figure 6 is an embodiment of the guide groove 32 which is a path through which the guide pin is inserted and flows in the apparatus according to the present invention, the guide pin is normally located at the support point 34 of the guide groove due to such a guide groove, The chair is located at a fixed position at the bottom of the table, so that the backrest formed in the chair is spaced apart from the table top plate, and the chair can be rotated only to a certain angle even when the chair is removed from the table so that the chair is within a certain radius. 6 is an embodiment in which the induction groove 32 formed in the upper surface of the control cap is formed at 90 ° to be limited to 90 ° so that only the flow is allowed to flow in FIG. The same guide groove may be configured so that each chair has the same rotation radius, but the movable radius of rotation is different from each other according to the position of the chair. If necessary, it is also possible to minimize the limited flow range of the chair by configuring the angle of the folding for each chair differently from each other by configuring the angle other than those shown in the above embodiment.

To this end, in the case of a chair among the other chairs, the flow is restricted by the other chairs on both sides, so that the guide groove 32 is configured within 90 to 180 ° with respect to the support point 34 so that one corner of the table It is preferable to be movable only on the side, and in the case of the chair located at the end of the chair arrangement, the guide groove 32 is disposed so that the chair can be rotated and positioned in the other corner direction besides one corner side where the chair is located. In order to configure within 90 to 270 °, it is preferable to selectively configure the form shown in Figs. 6 (a) to 6 (c) according to the position of the chair, and it is presented in the above embodiment according to the needs of the user. It is preferable that the angle can be changed to other angles.

As described above, the present invention is a chair-integrated folding apparatus according to the present invention, in which a chair-integrated table composed of a chair and a table integrally configured as described above, automatically folding by limiting an angle at which the chair is folded. It will be preferable that various modifications can be made by those skilled in the art without departing from the gist of the present invention, and those skilled in the art will understand the description of the present invention without departing from the spirit and scope of the present invention. It may be sufficiently changed, converted, substituted and replaced in consideration of the present invention, and is not limited only to the above-described embodiment.

1 is a perspective view of a structure of a chair integrated table according to the present invention

2 is a cross-sectional view showing the elevating drive of the chair leg.

Figure 3 is a plan view showing an operating state according to the folding of the chair according to the present invention

4 is a coupling structure of the automatic chair folding apparatus and chair legs according to the present invention

5 is a chair automatic folding device according to the present invention

6 is an embodiment of the adjusting cap of the device according to the present invention

* Description of the symbols for the main parts of the drawings *

a: table b: chairs

10: lower frame 20: vertical support

21: fixed block 22: cover

23: support cap 24: fixture

30: adjustment cap 31: screw thread

32: guide groove 33: step

40: connecting frame 41: flow block

42: guide pin 50: coil spring

60: Chair leg 61: Support

70: chair leg 71, 72: fixed block

73: flow block 74: coil spring

75: cover 100: chair automatic folding device

Claims

By connecting the lower frame 10 configured at the lower end of the table (a) and the chair leg 60 configured at the lower end of the chair (b) to move up and down by the elastic force of the coil spring, In the chair-integrated table of the structure the chair is folded,

A vertical support 20 configured to have a ring-shaped fixing block 21 fixedly coupled to an upper end of an inner circumferential surface as a cylinder that is vertically coupled to an end of the lower frame 10;

An adjustment cap 30 formed of a cylinder inserted into and fixed to the lower end of the vertical support, having a screw thread 31 at a central portion thereof, and an induction groove 32 formed at an upper surface thereof;

A ring-shaped flow block 41 in which a guide pin 42 corresponding to the guide groove is formed on the outer circumferential surface of the lower end of the insert in a state in which the one side is inserted to penetrate the fixing block so as to be coupled with the vertical support. ) Is fixedly coupled, the other side is connected to the chair leg 70 and the connecting frame 40;

Ends are fixed to the fixed block and the floating block, respectively, the coil spring 50 of the form surrounding the connecting frame;

The induction groove 32 is a groove corresponding to the rotation radius of the induction pin 42 to be interlocked as the chair is folded to form a path in which the induction pin is inserted and rotated, which is a stop position of the lower part of the table when the chair is folded. When the chair is stopped at the support point 34 and the chair is removed from the lower part of the table, the chair automatic folding device of the chair integrated table, characterized in that it is formed within a range of 90 ~ 270 ° so that it can be rotated only within a certain angle range from the support point.

According to claim 1, The vertical support 20 has a cover 22 in the form of surrounding the inner shaft coupling on the upper end, and a fastener 24 fitted to the screw thread at the lower end is formed in the upper direction and the lower portion of the vertical support Chair folding unit of the chair integrated table, characterized in that further forming a support cap (23) coupled in a shape to accommodate the.

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According to claim 1, wherein the adjustment cap 30 is a chair integrated automatic folding device of the chair integrated table, characterized in that the step (33) is further formed by configuring the diameter of the lower end than the upper end but equal to the diameter of the vertical support.