KR100549523B1 - Chair folding device for table attached chair - Google Patents

Abstract

The present invention relates to a chair coupling structure that is applied to a chair automatic folding structure for a table of a structure in which the chair is automatically folded after using the chair, the "a" type of the frame to the frame constituting the table of the spring A chair-integrated table axially coupled to receive elastic force and configured to automatically fold the chair by being coupled to the connecting frame, wherein a cylindrical legrest is formed at an end of the connecting frame, and the chair leg Ring-shaped fixed blocks are coupled to the upper and lower cylindrical chair legs through each other, and a ring-shaped floating block is coupled to the chair legs to be positioned below the upper fixed block, and a compression coil spring is provided between the floating block and the lower fixed block. Chair chair integrated table characterized in that the structure consisting of The total structure is characterized.

Table, chair integrated table, chair folding structure

Description

CHAIR FOLDING DEVICE FOR TABLE ATTACHED CHAIR}

1 is a table structure according to the present invention

Figure 2 is an embodiment of a chair folding structure

3 is a shaft coupling structure of the connecting frame and the leg of the chair

4 is another embodiment of the support

5 is a shaft coupling structure of the connection frame and the lower table frame

6 is a plan view showing an operating state of the present invention

*. Explanation of Major Codes

a. Table b. chair

10. Underframe 20. Vertical support

21.Cover 22. Screw support

30.Connection frame 40. Chair leg

50. Legs of legs 60. Shaft coupling structure

61.62. Fixed block 63. Floating block

64. Coil Spring 70. Shaft coupling structure

71.72. Fixed block 73. Floating block

74. Coil Spring 51. support

The present invention relates to a chair coupling structure that is applied to a chair automatic folding structure for a table of a structure in which the chair is automatically folded after using the chair, and more particularly, the legs of the chair to receive the spring force of the spring on the chair leg. Removing the weight from the chair by combining the chair is configured to rise to a certain height from the ground to the chair coupling structure configured to smoothly fold the chair movement.

Tables are used for various purposes, including work tables, meetings, tables for shared classes, and shared tables.

The table usually consists of a top plate and a frame for supporting it, and uses a separate chair separate from the table. However, since the chairs separated from the table move separately from the table, they are easily scattered around the table, difficult to organize and manage, and have a hassle to push the chair into the table after use.

Because of these problems, conventional tables and chairs are used by connecting the frame and the hinge structure to extend the frame and pull out the chair, and when not in use, the table is structured by folding the frame and pushing the chair under the table. Korean Utility Model Registration No. 0311562 further develops this by applying a hinge of an automatic folding structure to a table chair and presenting a table of a structure in which the chair is automatically folded when the user stands up from the chair.

The structure is configured to automatically fold by a spring-loaded hinge there is an effect that the chair is automatically folded when out of the chair can utilize the space in which the table is placed more efficiently, the chair is automatic without touching It provides the advantage of folding.

However, the structure is composed of a structure in which the auxiliary frame is coupled to the horizontal frame, the chair mounting rods are coupled to the connecting frame coupled to the hinge of the end of the auxiliary frame so that the weight on the chair acts in the form of twisting back and forth and left and right There is a drawback that the hinge portion is easily damaged by being extended to the hinge portion by the moment force, and one mounting rod serving as a leg of the chair has a disadvantage of being unstable, such as shaking or twisting when weight is loaded.

In addition, the structure is a structure in which the chair is raised and iron by the self-elasticity of the auxiliary frame and the connecting frame has a disadvantage that the folding operation is not made properly when used for a long time.

The present invention is a combination of a table and a plurality of chairs integrally, each chair is made of a folding operation during non-use naturally in the table having an automatic folding chair configured to be automatically folded, the chair structure together with the support structure of the table Composed to form a biangular shape to support the weight present a chair coupling structure of the chair-integrated table having a sense of stability, the durability is improved.

To this end, the present invention is a chair-integrated table configured to be axially coupled to receive a spring force to the frame constituting the table "a" type connecting frame and the connecting frame is coupled to the chair automatically Cylindrical chair leg is formed at the end of the connecting frame, and ring-shaped fixing blocks through which cylindrical chair legs are coupled to the upper and lower portions of the chair leg are coupled to each other, and the chair legs are positioned below the upper fixing block. The ring-type floating block is coupled to the present, the chair coupling structure of the chair-integrated table, characterized in that the compression coil spring is coupled between the floating block and the lower fixed block.

According to the present invention, the weight applied to the chair is transferred to the table frame through the chair legs and the connecting frame constituting the chair, thereby obtaining a sense of stability due to the bilateral effect, and folding of the connecting frame and the table frame. The structure can be configured in various ways, and the load from the chair is distributed to the table frame, which can effectively cope with the lateral warping force, and thus the durability is remarkably improved compared to the existing structure.

In addition, according to the present invention, when the user moves away from the chair by the spring and the shaft coupling structure inside the chair leg, the support is lifted from the ground by the inner spring action, and the folding is smoothly performed. There is a declining feature.

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

1 is an embodiment in which the present invention is applied to a six-person table, the present invention is a cylindrical vertical support 20 to form a folding structure with the connecting frame at both ends of the lower frame 10 constituting the table (a) To form a, the shaft coupling the connecting frame 30 on the vertical support, forming a chair leg 40 at the end of the connecting frame, the chair leg constituting the chair (b) on the chair leg ( 50) is axially coupled.

2 and 3 illustrate an embodiment of the shaft coupling structure 70 of the chair leg 40 and the chair leg 50 described above.

The shaft coupling structure 70 is coupled to the ring-shaped fixed blocks 71, 72 through which the cylindrical chair legs are respectively penetrated above and below the cylindrical leg support, and is positioned below the upper fixed block 71. The ring-shaped flow block 73 is coupled to, and the compression coil spring 74 is coupled between the flow block and the lower fixed block (72).

As shown in FIG. 3, when the weight is loaded on the chair, the compression coil spring is compressed and the chair descends while the support 61 contacts the ground (b), and when the weight is removed from the chair, the compression coil spring is removed. Lifting the chair while inflating, whereby the support 61 is released from the ground and the folding of the chair is made to be spaced apart from the ground to a certain height (a).

In the axial coupling structure of the chair leg according to the embodiment shown to form a cover 41 in the upper portion of the chair leg 40 to protect the internal fixed block, and to increase the ground plane in the lower portion of the chair leg can maintain a sense of stability A base 51 in the form of a fallopian tube was formed.

The support 51 may be configured as a structure coupled to the shaft (51b) in the center of the holder (51a) that is forcibly coupled to the bottom of the chair leg as shown in Figure 4, wherein the support and the chair leg on the shaft It is coupled to the rotatable thereby providing the effect of being able to move more comfortably while sitting on the chair.

2 and 5 is an embodiment in which a cylindrical vertical support is installed at the end of the lower frame of the table in order to couple the connecting frame and the frame of the table in a foldable structure, and the connecting frame is axially coupled to the vertical support. It is shown.

The shaft coupling structure 60 is coupled to the ring-shaped fixing blocks 61 and 62 so as to be fixed to each of the upper and middle lower portion of the inner cylinder of the vertical support 20, the connecting frame penetrates each block described above. The fixed block 61 is coupled to the body of the connecting frame so as to flow between the upper and lower fixed blocks 61 and 62 in the inserted state, and the upper fixed block 61 and the floating block 63 are coil springs 64. It consists of a structure that connects with).

By the axial coupling structure, the connecting frame flows up and down at a limited height while compressing and expanding the coil spring 64 connected up and down in the flow space between the upper and lower fixed blocks, and springs on a cylindrical vertical support fixed to the lower frame. You can rotate while opening and closing the circle.

The floating block 63 and the lower fixed block 62 may be made of a self-lubricating material so as to rotate while making contact with each other, and the upper and lower fixed blocks and the connecting frame are configured to have a small play to shake the connecting frame. Minimize.

In the structure, the lower end of the connecting frame is coupled to protrude downward through the lower fixing block 62 so that the rotational movement of the connecting frame can be made in a more stable coupling state, and the fixed block coupled to the inside of the vertical support at the end of the protruding portion. Combining (65) is configured so that the bottom of the connection frame is in contact support.

In addition, the cover 21 is formed on the top of the vertical support to surround and protect the inner shaft coupling structure, and at the bottom, the support 22 of the screw structure is combined with the cylindrical cap 23 so as to adjust the height. do.

The connecting frame 30 is an element for connecting the frame of the table and the frame of the chair and has a form of bending a cylindrical pipe in a "b" structure.

The chair leg 40 is integrally coupled to the end of the connecting frame as an element for coupling the chair legs to the table, and has a cylindrical structure in which a through hole is formed in the vertical direction.

6 is a planar state in which the present invention is applied to a six-person table structure. In the coupling structure of the chair according to the present invention, the components of the chair (b) and the table (a) at both ends of the connection frame are axial coupling structure ( 60) (70), the rotation is made in each axial coupling structure, among which the axial coupling structure of the chair structure and the connection frame is free to rotate, and the axial coupling structure of the table structure and the connection frame is limited by the spring connection frame The spring force acts in the folding direction.

Therefore, when the chair is taken out to sit on the chair, the spring 64 expands while the force is stored, and when the user leaves the chair, the restoring force of the spring acts in the folding direction of the connecting frame. When the connecting frame is rotated and folded, the chair coupled to the chair leg is also rotated and folded together, so that one backrest of the chair is first caught by the top plate of the table, and the entire backrest is self-rotated by the chair coupling structure 70. It is in a state of being jammed.

As described above, the present invention is applicable to a chair having a backrest, and is automatically folded in a form in which each chair back is pushed against the table top plate by rotation by a shaft coupling structure of two parts.

According to the present invention by the above configuration, the folding structure of the chair is coupled to the vertical support constituting the frame of the table, the folding frame is made by the axial coupling structure of the connection frame and the chair structure, the folding operation is sure and the movement is not constrained. It is free and provides the advantage that it can be used in a comfortable position by applying the proper elasticity to the chair by the spring.

In addition, the chair structure forms a two-sided shape together with the support structure of the table to support weight, and it is stable. Like the chair of independent structure, it is free to rotate and change direction and can be applied to the backrest chair. This has a possible advantage.

Therefore, it can be conveniently used without fear of damage by applying to the general table as well as the fragile student table structure.

Claims (3)

The "a" type connecting frame is axially coupled to the frame constituting the table to receive the spring force and the connecting frame is a chair integral table configured to automatically fold the chair by combining the chair, the connection frame of the Cylindrical chair leg is formed at the end, and a ring-shaped fixed block through which cylindrical chair legs are penetrated to the upper and lower portions of the inside of the chair leg is coupled. Is coupled, the chair coupling structure of the chair integrated table, characterized in that the compression coil spring is coupled between the floating block and the lower fixed block. According to claim 1, Chair coupling structure of the chair integrated table, characterized in that the base of the fallopian tube is coupled to the lower end of the chair leg. The chair coupling structure of claim 2, wherein the support is configured by a shaft coupled to a center of the holder forcibly coupled to the bottom of the chair leg.

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