KR101484975B1 - A chair-rotary device of a tables - Google Patents

Abstract

The present invention provides a device to rotate a chair of a table which enables a user to easily sit down by rotating a chair. The present invention has an effect of being economically provided by improving productivity through simplification of a structure, and maximizing the use reliability by firmly maintaining a position in the regular position. According to the present invention, the device to rotate a chair of a table comprises: a ′��prime;-shaped fixing frame (8) equipped in the end of a supporting frame (6) connected with a table, and having a rotary space of a connecting frame (7) connected with the supporting frame inside; a lower stopper (12) fixed to the bottom side of the fixing frame (8), having a supporting rod (10) whose upper end has an inclined plane (9) in the center, and having a first stop protruding part (11) protruding while having an interval in all directions on the outer circumferential surface of the lower end of the supporting rod (10); an upper stopper (15) located in the upper part of the lower stopper (12), and having a second stop protruding part (14) fitted and combined with the first stop protruding parts (11) in the bottom side; a rotor (18) fixed by being fitted and combined with a combining groove (16) equipped in the upper side of the upper stopper (15), and connected with and fixed to the connecting frame (7) while having a cam inclined plane (17) facing an upper cross section of the supporting rod (10) inside; and an upper cap (2) having an accommodating groove (19) wherein the upper end of the rotor (18) fixed to the bottom side to be vertically moved, and fixed to the bottom side of the upper end of the fixing frame (8).

Description

A chair-rotary device of a tables < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a table chair rotating device for rotating a chair to facilitate seating in a chair-integrated table, and more particularly, The present invention relates to a table chair rotating device capable of firmly maintaining a posture in a correct position and maximizing stability in use.

Generally, a table with a variety of uses is used for tasks, meetings, lessons, and meals.

Such a table is composed of a top plate on which an article can be placed on an upper surface and a frame capable of supporting the top plate, and a chair on which a user is seated is separately provided and used.

However, when the table and the chair are separately provided separately as described above, there is a problem that it is difficult to organize and manage the chair, and the chair must be arranged after use.

Accordingly, a chair-integrated type table which can easily use the table by connecting the table and the chair by integrating them is proposed and used.

In Korean Utility Model Registration No. 311562, as described in the publication. The automatic joining structure and the hinge are applied to present a chair-integrated table in which the chair is automatically folded when the user gets up from the chair.

In other words, it is intended to enhance the space usability in which the beat is arranged and to facilitate the use.

On the other hand, in Korean Patent Registration No. 10-549523 (name: Chair coupling structure of chair integrated type table), the "A" type coupling frame is axially coupled to the frame constituting the table so as to receive the spring- A chair-integrated type table, wherein the chair is automatically folded by joining a chair, wherein a cylindrical chair leg support is formed at an end of the connection frame, And a compression coil spring is coupled between the moving block and the lower fixed block. The ring-shaped fixed block is coupled to the lower fixed block, A coupling structure is proposed.

Accordingly, it can be used stably for a long period of time in use, and the risk of breakage can be remarkably reduced.

In the Korean Utility Model Registration No. 20-415058 (entitled "dining table for a group-integrated group feeding system"), as described in the Gazette, a support post provided with a supporter is inserted into a support rod, And the support bars are rotatably installed on the table legs in a connected manner so as to be floated with the compression springs. In this case, the chair is integrally formed with the hinges of the table legs, A first connecting rod connected at one end to the pin and a second connecting rod fixed at one end to the supporting rod, and the other connecting rod and the second connecting rod are folded by a hinge connected to the shaft pin It is installed in a folding style that spreads in a straight shape, so that even if the gap between the upper plate and the seat is different, One has been suggested to be placed on.

Accordingly, even if the distance between the seat and the upper plate is moved closer to or away from the upper plate depending on the body shape of the user, the seat does not deviate from the center line of the table at all times.

In addition, as disclosed in Korean Utility Model Publication No. 20-2011-6859 (a table comprising a chair integrally formed), the lower leg of the table is bent outwardly in the shape of "L " And a return arm which is hinged to the end of the stationary arm so as to be resiliently biased by the spring to constitute a pivotal arm which is always returned to its original position and is pivotally moved up and down The supporting column is always raised upward so that the supporting plate is formed at the lower end of the supporting column and the chair is formed at the upper end so that the chair installed on the supporting column always returns to the same position in the free state, And a protective cap is formed so that dust does not enter the upper and lower sides of the upper and lower parts.

As a result, when the chair is positioned outside the dining table, the spacing between the chairs as the single joint protrudes to the outside of the dining table is located at a convenient position for the user. When the user escapes the chair from the chair, The backrest position of the chair is restored to its original position, and the convenience of use is improved.

In Korean Utility Model Registration No. 20-126645 (entitled mobile chair combined with a table), as described in the publication, a chair having a chair support, a table having a center support, and a table having one end attached to the chair support And the other end is connected to the central support and moved by the force of a person so that the chair and the movable connection means can be adjusted in distance from the table.

As a result, the space occupied by the chair and the table is reduced, and there is no inconvenience of removing the chair when cleaning.

However, the conventional chair integrated type tables as described above have a problem in that the structure in which the table and the chair are combined is complicated and the productivity is low, which is uneconomical.

Further, there is a problem that a structure for storing and rotating a chair for a table can not be conveniently used, and in particular, there is a problem in that stability of the position is deteriorated when the chair is located at a proper position.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems of the prior art. It is an object of the present invention to provide an apparatus and a method for improving productivity by economically providing a simplified structure, And to provide a table chair rotating device capable of maximizing stability in use.

According to another aspect of the present invention, there is provided a table chair rotating device comprising: a table having a top plate and a leg frame connected to support the top plate with respect to a bottom surface; A table chair rotating device rotatably connecting the connecting frame to the supporting frame in a chair-integrated table, which is fixed to a connecting frame rotatably and axially coupled to the supporting frame and includes a chair for the user to sit on; A fixing frame provided at an end of the support frame and having a rotation space of the connection frame therein; A lower stopper fixed to the bottom surface of the fixed frame and having a support rod having an inclined surface at an upper end thereof and first stop protrusions protruding from the lower end peripheral surface of the support rod with a radially spaced distance therebetween; An upper stopper disposed on the upper portion of the lower stopper and having a second stop protrusion adapted to engage with the first stop protrusions on a lower surface thereof, A rotatable body having a cam inclined surface facing the upper end surface of the support rod and having the connection frame fixedly connected thereto; And an upper cap which is provided on an upper surface of the bottom surface of the stationary frame and includes a receiving groove which is vertically movably fixed on the bottom surface of the rotating body.

The rotating body has a shape of 'pipe' penetrating vertically, and the supporting rod is housed in the lower end of the rotating body so that the upper inclined surface faces the cam inclined surface.

And the first stop projections and the second stop projections are formed of gear teeth which are engaged with each other.

In the inside of the rotating body, the cam inclined surface is formed at the lower end to be in tight contact with the inclined surface of the support rod, and a key-engaged cam rod rotatable in the same direction when the rotating body rotates is accommodated .

A key groove formed in a vertical direction is formed in the receiving groove of the upper cap and a key projection is formed on an outer circumferential surface of the rotating body to be engaged with the key groove.

And a return spring is provided between the upper cap and the rotating body.

When the user rotates the rotating body by rotating the rotating body, the lower end of the cam rod, which rotates at the same time when the rotating body rotates, is cam-moved along the inclined surface of the supporting rod The rotating body and the upper stopper are lifted and the lower stopper and the upper stopper are separated from each other and the rotating body is rotated. After the rotation of the rotating body is completed, when the user is freely left without being pressed, When the cam rod is returned to its original position, the inclined surface of the support rod and the cam inclined surface are brought into close contact with each other so that the rotating body and the upper stopper rotate downward while rotating in the original position, The protrusions are fixed while being prevented from rotating while being fitted to each other, Unauthorized no chair is rotated, after use, is to ensure a space for you to escape easily when jeothil rotating chair.

As a result, the posture at the correct position can be firmly maintained, the stability at the time of use can be maximized, and the structure is simple, thereby improving the productivity and economically providing the effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic perspective view showing a table to which a table chair rotating device according to an embodiment of the present invention is applied; FIG.
Fig. 2 and Fig. 3 are schematic plan views illustrating the use state of a table to which a table chair rotating apparatus according to the embodiment is applied. Fig.
Fig. 4 is a schematic perspective view showing a chair rotating device of a table according to an embodiment of the present invention; Fig.
Fig. 5 is an illustration of a schematic coupling section showing a table chair rotating device according to the present embodiment; Fig.
Fig. 6 and Fig. 7 are schematic views showing the operating state of the chair rotation device of the table according to the embodiment. Fig.
Fig. 8 and Fig. 9 are schematic views showing an operating state of an upper stopper applied to a chair rotating device of a table according to the present embodiment. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a table chair rotating device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 7 are views showing a table chair rotating apparatus according to an embodiment of the present invention. The table chair rotating apparatus 1 according to the present embodiment is a table chair rotating apparatus shown in Figs. 2 and 3 The present invention is applied to the case where the chair 2 is rotated with respect to the table 3 in the table 3 integrally provided with the chair 2 so as to stably secure the space when the user is seated or moves away.

The table 3 to which the rotary device 1 according to the present embodiment is applied includes an upper plate 4 on which an article can be placed on the upper surface as shown in FIGS. 1 and 3, And a leg frame 5 connected to the floor 3 so that the chair 2 can be seated on the support frame 6 extending outwardly from the table 3 And is fixed to a connection frame 7 rotatably and axially coupled.

That is, the rotating device 1 according to the present embodiment is applied to the connection of the connection frame 7 to the support frame 6 in a rotatable manner.

The table chair rotating device 1 according to the present embodiment includes a fixing frame (not shown) provided at the end of the supporting frame 6 and having a rotation space of the connecting frame 7, 8).

That is, the fixing frame 8 is fixed while securing a rotation space in which the connection frame 7 rotates.

The rotating device 1 according to the present embodiment is provided with a support rod 10 fixed to the bottom surface of the fixed frame 8 and having an inclined surface 9 at the center at its center, And a lower stopper (12) having first stop projections (11) protruding radially from the outer circumferential surface.

The lower stopper 12 is integrally formed with a lower fixing plate 13 screwed to the bottom surface of the fixing frame 8 so that the lower fixing plate 13 is screwed to the fixing frame 8 It is preferable that they are fixedly arranged.

Thus, the lower stopper 12 can be easily fixed to the stationary frame 8, and productivity during manufacture is improved.

The rotating device 1 according to the present embodiment includes a second stop protrusion 14 positioned on the lower stopper 12 and engaging with the first stop protrusions 11 on the bottom surface, An upper stopper 15 having an upper stopper 15 and a cam groove 17 fixed to the upper surface of the upper stopper 15 by engaging with an engaging groove 16 formed in the upper surface of the upper stopper 15, And a rotating body 18 to which the connecting frame 7 is connected and fixed.

That is, as the lower stopper 12 and the first and second stop projections 11 and 14 are coupled to each other through the upper stopper 15 fixed to the lower end of the rotating body 18, It is possible to prevent the rotation of the rotating body 18, thereby ensuring stability in use.

In this case, a cam movement is realized during rotation of the rotating body 10 through the inclined surface 9 constituting the upper surface of the support rod 10 and the cam inclined surface 17 constituted by the rotating body 18 .

That is, when the rotating body 18 is rotated, the rotating body 18 and the upper stopper 15 are lifted in accordance with the cam movement of the slant face 9 and the cam slant face 17, The first and second stop protrusions 11 and 14 are separated from each other while the lower stopper 12 and the upper stopper 15 are separated from each other so that the rotating body 18 and the upper stopper 15 rotate smoothly do.

Therefore, rotation of the chair 2 with respect to the table 3 is facilitated, and a space in which the user can move can be easily secured.

When the user releases the rotating body 10 and no pressure is applied to the rotating body 10, the inclined surface 9 of the supporting rod 10 and the cam inclined surface 17 come into close contact with each other, The first stop protrusion 11 of the lower stopper 12 and the second stop protrusion 12 of the lower stopper 12 return to their original positions by rotating the rotary body 18 and the upper stopper 15, 14 are fitted to each other to prevent the rotation of the chair 2, and the chair 2 is returned to the correct position.

Therefore, it is possible to use the chair 2 stably while the seat occupant restores the seat 2 while preventing the seat 2 from rotating unsteadily.

The table chair rotating device 1 according to the present embodiment as described above is provided with a receiving groove 19 in which the upper end of the rotating body 18 is fixed so as to be movable up and down, And an upper cap 20 fixed to the upper bottom surface of the base plate 8.

That is, the rotatable body 18, which is vertically movable to the upper cap 20 and is rotatably fixed at the same time, is stably fixed to the fixed frame 8. [

The upper cap 20 is provided at its upper end with a shaft rod 21 protruding and extending upwardly and the shaft rod 21 penetrates the upper end of the stationary frame 8 to be rotatably fitted The upper surface of the shaft hole 22 is closed on the upper surface of the fixed frame 8 so that the shaft rod 21 is not exposed to the outside, And the upper fixing plate 23 is screwed.

Accordingly, it is possible to easily fix the rotary body 18 to the fixed frame 8, thereby enhancing the productivity during manufacturing, and minimizing the infringement of the safety of the user during rotation of the rotary body 18 You can use it safely.

The support shaft 10 is received in the lower end of the rotary body 18 so that the inclined surface 9 at the upper end of the support shaft 10 is inserted into the cam inclined surface 9, It is preferable to face the light guide plate 17.

Thus, the support rod 10 is prevented from being exposed to the outside, and the user can be maximally exposed to the part to be rotated, thereby maximizing safety in use.

In the rotating apparatus 1 according to the present embodiment, the first stop projection 11 and the second stop projection 14 are preferably gear teeth that are engaged with each other. Thus, The engagement between the upper stopper 15 and the lower stopper 12 is secured by the engagement of the teeth so that the stability can be maximized.

The cam inclined surface 17 is formed at the lower end of the rotating body 18 so as to be brought into close contact with the inclined surface 9 of the support rod 10, It is preferable that a key-engaged cam rod 24 adapted to rotate in the same direction is accommodated.

That is, since the cam slope 17 is provided inside the rotating body 18 through the assembly of the cam rods 24, the productivity can be improved during manufacture, and the manufacturing can be economically achieved.

In the rotary device 1 according to the present embodiment, a key groove 25 formed in a vertical phase is formed in the receiving groove 19 of the upper cap 20, The upper cap 20 rotates in the same direction during the rotation of the rotating body 18 so as to move up and down the rotating body 18 And it is preferable that it is formed in this positive posture.

It is preferable that a return spring 27 is provided between the upper cap 20 and the rotating body 18 so that the rotating body 18 is elastically pressed downward, The lower stopper 12 and the upper stopper 15 can be more firmly engaged by the pressure applied to the lower stopper 12 in the direction of the lower stopper 12, The cam rod 24 is automatically pushed downward to automatically return to the original position without rotating the rotating body 10 by manual operation by the user.

In addition, the upper stopper 15 is prevented from being disengaged from the upper stopper 15 without any change.

Therefore, the user can stably sit on the chair 2 and perform a desired operation.

The operation and effect of the table chair rotating apparatus according to this embodiment will be described as follows.

3, when the user sits on the chair 2 and desires to depart while performing the operation, the chair 2 is rotated with respect to the table 3 to secure a moving space .

At this time, when the user rotates the chair 2, the rotating body 18 rotates by the connecting frame 7 connected to the chair 2.

6, the inclined surface 9 of the support rod 10 and the cam inclined surface 17 make cam movement, and the rotating body 18 and the upper stopper 15 are moved upward So that the lower stopper (12) and the upper stopper (15) separate and rotate.

Therefore, the chair 2 is rotated by a predetermined height to secure the moving space of the mover.

7, when the user puts the chair 2 in his or her hand, when the user desires to place the chair 2 in the home position for seating on the chair 2, Is lowered by the return spring 27 so that the inclined surface 9 of the support rod 10 and the cam inclined surface 17 are brought into close contact with each other while being cammed and rotated to descend so that the lower stopper 12 The first stop projection 11 and the second stop projection 14 of the upper stopper 15 are engaged with each other.

Therefore, the upper stopper 15 is prevented from being rotated endlessly while being coupled with the lower stopper 12, so that the seat 2 can be stably stood without being rotated when the user is seated.

8 and 9 are views showing another example of a table chair rotating device according to the present embodiment. An elastic spring 28 is disposed between the upper stopper 15 and the lower stopper 12, The upper stopper 15 is automatically lifted and lowered smoothly when the rotating body 10 is lifted and lowered by applying elastic force to raise the upper stopper 15, The first stop projection 11 of the upper stopper 15 and the second stop projection 14 of the upper stopper 15 are separated and engaged.

While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, the examples disclosed in the present invention are not intended to limit the scope of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

1: Rotating device 2: Chair
3: Table 4: Top plate
5: leg frame 6: support frame
7: Connection frame 8: Fixed frame
9: slope 10: support rod
11: first stop projection 12: lower stopper
13: lower fixing plate 14: second stop projection
15: upper stopper 16: engaging groove
17: cam slope 18: rotating body
19: receiving groove 20: upper cap
21: shaft rod 22: shaft ball
23: upper fixing plate 24: cam rod
25: key groove 26: key projection
27: return spring 28: elastic spring

Claims (7)

A chair fixed to a connection frame rotatably and axially coupled to a support frame extending outwardly from the table and having a seat for a user to sit on, A chair rotation device for a table rotatably connecting the connection frame to the support frame in a chair integrated type table comprising:
A fixing frame provided at an end of the support frame and having a rotation space of the connection frame therein;
A lower stopper fixed to the bottom surface of the fixed frame and having a support rod having an inclined surface at an upper end and having first protrusions protruding from the lower end peripheral surface of the support rod with a radially spaced distance therebetween;
An upper stopper disposed on the upper portion of the lower stopper and having a second stop protrusion adapted to engage with the first stop protrusions on a lower surface thereof, A rotatable body having a cam inclined surface facing the upper end surface of the support rod and having the connection frame fixedly connected thereto;
And an upper cap fixed to an upper end lower surface of the fixed frame, wherein the upper end of the rotating body is fixed to the lower surface of the upper cap so as to be movable up and down.
The method of claim 1, further comprising:
The above-
Wherein the supporting rod is received in the lower end of the rotating body so that the upper inclined surface faces the cam inclined surface.
The method of claim 1, further comprising:
The first stop projections and the second stop projections,
And gear teeth that are engaged with each other.
The method of claim 1, further comprising:
Inside the rotating body,
And a cam-coupled cam rod which is rotatable in the same direction when the rotation body rotates is received in the lower end of the rotation shaft, wherein the cam inclined surface is formed to fit in close contact with the inclined surface of the support rod.
The method of claim 1, further comprising:
In the receiving groove of the upper cap,
A key groove formed in a vertical phase is formed;
On the outer peripheral surface of the rotating body,
And a key protrusion for fitting the key groove into the key groove.
The method of claim 1, further comprising:
Between the upper cap and the rotating body,
And a return spring is provided on the table.
The method of claim 1, further comprising:
Between the upper stopper and the lower stopper,
And an elastic force is applied to the upper stopper so as to apply an elastic force to raise the upper stopper.

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