KR20230157061A - Connection structure of frame for table - Google Patents

Abstract

The present invention relates to a connection structure for a frame for a table. The connection using the upper connection frame and auxiliary frame of the connection part parallel to the upper frame of both leg parts is achieved by connecting frames manufactured to the length without additional processing other than coupling holes, using connection brackets. By connecting at 4 points, the connection structure especially on the corner side (upper frame, upper connection frame, vertical frame) is strengthened, and when connecting between the lower sides of the leg portion as an auxiliary frame, additional reinforcing brackets are added to connect the fixed parts of the leg portion, When applied to the steel structure of a large table, it provides a sturdy connection structure to the table against forces applied from all directions, enabling sturdy on-site assembly of the table without any wobble.

Description

Connection structure of frame for table}

The present invention relates to a table frame connection structure. More specifically, the connection structure of the steel frame that forms a large conference table is improved to facilitate transportation and installation and to prevent distortion and movement in the assembled state, thereby providing stability. It is about a table frame connection structure that allows a table to be provided.

In general, tables can be said to be tables in a broad sense, such as conference tables used in offices as well as dining tables, desks, and workbenches used at home, and their uses vary depending on their size and type.

Most tables have leg frames that stand up and are supported from the floor on both sides of the bottom of the top, an upper frame that interconnects these leg frames and is connected to the bottom of the top, and an auxiliary frame that is located at the bottom of the upper frame and connects the leg frames. It is manufactured and used as a frame structure. A table with this structure combines a leg frame, an upper frame, and an auxiliary frame to form a frame with a structure similar to a hexahedron, and then a top made of wood, plastic, or MDF is placed on the top of the upper frame to form the leg frame and the upper frame. It is fixed using a separate connection bracket at the top.

Here, the connection between the upper frame and the leg frame is simply welded or a connection bracket. Or, it maintains its shape by assembling it using connectors and fastening screws.

Forming a frame structure using the welding method as described above is often used to manufacture relatively small tables, and in the case of large tables, it is a type that can be separated and connected using a connecting bracket as described above, and is transported to the site and placed at the place where the table will be mounted. After assembling it yourself, you can mount it and use it.

Looking at the source technology for the frame connection structure of the table related to assembly as above, Republic of Korea Patent No. 10-1097100 (name: chair-integrated assembly table, hereinafter referred to as 'patent document 1') and No. 10-1531812 (Name: Assembly Table, hereinafter referred to as ‘Patent Document 2’) is posted.

Patent Document 1 is a chair-integrated table in which four table pillars are connected with a frame, and a chair is integrated on the table pillars. The space between two adjacent table pillars is integrally fixed using upper and lower fixing frames. , a pair of leg assemblies to which a chair body is axially coupled to each table pillar; A plurality of detachable frames detachably connected between the pair of leg assemblies; a table top coupled to the upper part of the assembled pair of leg assemblies; and a chair top coupled to the chair body.

This is to reduce product logistics costs and provide convenience of installation and transportation by providing a prefabricated table with integrated chairs that allows easy disassembly or assembly of a table with chairs assembled as one piece.

Patent Document 2 is comprised of a top plate and a frame to support the top plate, the frame is located between a plurality of legs and a connection frame connecting the legs, and the legs and the connection frame are positioned between the legs and the connection frame. It is composed of fixing brackets to be mutually fixed.

This provides the effect of allowing the table frame to be configured as a fully assembled type.

When looking at the frame connection structure of the above type, Patent Document 1 shows that the simple fitting of the detachable frame coupling portion provided on the upper fixed frame and lower fixed frame to which the detachable frame is coupled, as well as the fastening assembly of the screw, which is a fastening means, is an overall frame structure. Since clearance often occurs when force is applied in the longitudinal direction during formation, there was a problem of poor stability and durability, especially when using a large conference table or workbench table. The occurrence of movement of the table as described above is simply because a lot of force is applied to the fastening means that is fastened only in the direction of connection between the detachable frame and the fixed frame, so movement easily occurs, and even the fastening leather of the fastening means becomes loose.

Patent Document 2 states that the connection structure of the frame connects the leg to the horizontal and vertical connection frames, and the fixing bracket that is coupled to the connection frame at right angles to the fixing socket inserted inside the leg must be precisely manufactured for mutual assembly.

This has the advantage of being connected more durable than Patent Document 1, but not only is it precisely manufactured by bending the fixing socket and the fixing bracket, but also the second coupling hole on the connection frame side and the insertion hole on the leg side are used at the corners of the leg. Because they must be precisely processed, there is a disadvantage in that the defect rate is high due to separate processing of the legs and connection frames, which are usually hollow square pipe types, and this is caused by poor assembly, which increases the production cost of the table.

Korean Patent No. 10-1097100 (registered December 15, 2011) Korean Patent No. 10-1531812 (registered on June 19, 2015)

The present invention was invented to solve the conventional problems as described above. By improving the connection structure of the steel frame that forms a large conference table, it is possible to facilitate transportation and installation and to prevent distortion and movement in the assembled state. The purpose is to provide a table frame connection structure that can provide a stable table.

According to the present invention to achieve the above object,

It consists of a hollow upper frame made of steel, a vertical frame perpendicular to both ends of the upper frame, and a fixture whose both ends are welded between the vertical frames. The legs stand up from the floor and support the left and right bottoms of the table top, and the upper part connects the leg parts to each other. A connection part consisting of a connection frame and an auxiliary frame interconnecting the leg fixing rods in parallel in the lower direction from the upper connection frame, and a fixing screw fastened to the coupling hole provided at each connection point of the leg part and the connection part, and is detachably combined. In the table frame connection structure,

The upper frame of the leg part, the vertical frame, and the upper connection frame of the connection part are fixed with a fixing screw provided with a connecting bracket that is in close contact with each other and connects the leg part and the connection part to each other, and the fixing bracket of the leg part to which the auxiliary frame is connected is provided. An insertion shaft is provided to insert and support the auxiliary frame, and the insertion shaft is provided with a fastening hole that matches the coupling hole provided at the end of the auxiliary frame and is fixed with a fixing screw.

The connection bracket according to the present invention,

A first surface supporting either side of both ends of the upper connection frame, a second surface supporting the bottom at a right angle to the first surface, and having a coupling hole coupled with a fixing screw, and a leg at right angles from the first surface A third surface having a coupling hole that is in close contact with the upper frame of the leg part and coupled with a fixing screw, a fourth surface at right angles to the second surface, and a coupling hole at a right angle from the fourth surface and in close contact with the vertical frame of the leg part and coupled with a fixing screw. It is characterized in that the fifth side having is formed integrally.

The lower part of the auxiliary frame coupled with the insertion shaft according to the present invention is characterized in that a reinforcing bracket that further supports the auxiliary frame and the fixture is attached and fixedly installed.

The reinforcement bracket according to the present invention supports the bottom of the auxiliary frame, has a support surface having a coupling hole coupled with a fixing screw, and is branched on both sides from the support surface at an upward right angle to adhere to the longitudinal direction of the fixture, each with a fixing screw. It is characterized in that the hanging surface having a coupling hole is formed integrally.

In the table frame connection structure according to the present invention, the connection using the upper connection frame and auxiliary frame of the connection part parallel to the upper frame of both leg parts is achieved by connecting frames manufactured to the length without any additional processing except for coupling holes, using connection brackets. By connecting the points, the connection structure, especially on the corner side (upper frame, upper connection frame, vertical frame) is strengthened, and when connecting between the lower parts of the leg part as an auxiliary frame, additional reinforcement brackets are added to connect the fixed parts of the leg part, thereby creating a large When applying a steel structure to a table manufactured using , it provides a sturdy connection structure to the table against forces applied from all directions, enabling sturdy on-site assembly of the table without any wobble.

Figure 1 is a perspective view illustrating a state in which connection brackets are applied to four points of a table frame according to the present invention;
Figure 2 is a perspective view showing the frame of the table according to the present invention and the connection bracket applied to the frame and assembled.
Figure 3 is a perspective view showing a connection bracket according to the present invention;
Figure 4 is a perspective view showing an excerpt of the leg frame of the table according to the present invention;
Figure 5 is a perspective view showing a state in which a plurality of connection parts are provided in Figure 4;
Figure 6 is a cross-sectional view showing a state in which the auxiliary frame is connected to the connection portion of the leg side frame according to the present invention;
Figure 7 is a perspective view showing a state in which a reinforcement bracket is applied to the connection portion of the leg side frame according to the present invention;
Figure 8 is a cross-sectional view showing a state in which the reinforcement bracket in Figure 7 is applied.

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

Prior to this, the terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor should appropriately define the concept of terms in order to explain his or her invention in the best way. It must be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of definability.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so at the time of filing this application, they can be replaced. It should be understood that various equivalents and variations may exist.

The connection structure of the table frame according to the present invention will be described with reference to the attached FIGS. 1 to 8 as follows.

As shown in Figures 1 and 2, a hollow upper frame 11 made of steel, a vertical frame 12 perpendicular to both ends of the upper frame 11, and a fixture 13 whose both ends are welded between the vertical frames. It consists of a leg portion 10 that stands up from the floor and supports the left and right bottoms of the table top 1, an upper connecting frame 21 that connects the leg portions to each other, and a leg portion parallel to the lower direction from the upper connecting frame 21. A connection part (20) made up of auxiliary frames (22) that interconnect the fixing bar (13) of 10), and a fixing screw (S) fastened to a coupling hole provided at each connection point of the leg part (10) and the connection part (20). In the table frame connection structure composed of and detachably combined,

The upper frame 11, the vertical frame 12, and the connecting portion 20 of the leg portion 10 are in close contact with one end of the upper connecting frame 21, respectively, to interconnect the leg portion 10 and the connecting portion 20. The connecting bracket 30 is fixed with the provided fixing screw (S).

Each of the coupling holes (11a, 12a, 21a) formed in the upper frame of the leg portion, the vertical frame, and the upper connection frame of the connection portion are all fixed by the fixing screw (S).

Each of the frames according to the present invention is manufactured using hollow square pipes.

In addition, the fixture 13 of the leg portion 10 to which the auxiliary frame 22 is connected is provided with an insertion shaft 13-1 for inserting and supporting the auxiliary frame 22. A fastening hole (13a) matching the coupling hole (22a) provided at the end of the auxiliary frame (22) is provided and fixed with a fixing screw (S).

The insertion shaft 13-1 formed on the fixture 13 of the leg portion 10 is manufactured in a square pipe shape with one side open to fit the inner diameter of the auxiliary frame and is fixed to the fixture. The reason for being open is is for attaching the insertion shaft 13-1 by welding work.

As shown in the attached FIGS. 2 and 3, the connection bracket 30 is a part that is attached to each point of the connection part 20 in contact with the leg part 10 and connected by fastening a fixing screw (S). , As shown in Figure 1, it is installed at 4 points, and the connection brackets 30 located diagonally from each other are manufactured identically. That is, the connection brackets 30, which are manufactured as a pair on the left and right, are installed in correspondence to connect each frame.

Looking at the shape of the connection bracket 30, the first surface 31 supports either side of both ends of the upper connection frame 21, is perpendicular to the first surface and supports the bottom, and has a fixing screw ( A second surface 32 having a coupling hole 32a connected to S), at a right angle from the first surface 31 and in close contact with the upper frame 11 of the leg portion 10, and a fixing screw S A third surface 33 having a coupling hole 33a coupled to the fourth surface 34 at right angles to the second surface 32 and a vertical frame of the leg portion 10 at right angles to the fourth surface. The fifth surface 35 having a coupling hole 35a that is closely attached and coupled with a fixing screw S is formed integrally.

As can be seen in the drawing, one side of the fourth surface 34 is inclined and supports and connects the upper connection frame 21 and the vertical frame 12 at right angles to each other.

The third surface 33 and the fifth surface 35 are on the same line as the first surface 31. It is formed by bending from the fourth surface 34.

Meanwhile, in one embodiment according to the present invention, a reinforcing bracket 40 is added to the lower part of the auxiliary frame 22 coupled with the insertion shaft 13-1 to further support the auxiliary frame 22 and the fixture 13. It is installed fixedly.

As shown in the attached FIGS. 7 and 8, the reinforcement bracket 40 supports the bottom of the auxiliary frame 22 and has a support surface having a coupling hole 41a coupled with a fixing screw S. (41) and a hanging surface (42) branched on both sides from the support surface (41) at a right angle upward and in close contact with the longitudinal direction of the fixture (13), each having a coupling hole (42a) coupled with a fixing screw (S). It is formed as a whole.

The operation of the table frame of the present invention configured as described above is described as follows.

The transport and assembly of a large table is first transported with the legs 10, the connection part 20, and the connection bracket 30 separated, and assembly of the table is completed through simple assembly at the site.

The steel structure consisting of a frame at the bottom of the table top (1) is composed of a linear assembly of the leg portion (10) and the connecting portion (20), and the upper connecting frame of the connecting portion (20) is sandwiched between the two leg portions (10). (21) and the auxiliary frame (22) are respectively assembled on the leg portion (10).

When both ends of the auxiliary frame 22 are assembled by inserting them into the insertion shaft 13-1 on the side of the fixture 13 of the leg portion 10, the leg portion 10 can be maintained in an upright state from the floor surface. do.

In the above state, the connection with the upper frame 11 side of the leg portion 10 is performed by attaching the connection bracket 30 to four points prepared for the upper frame 11 and the vertical frame 12 of the leg portion 10, respectively. The upper connection frame (21) is connected to the connection bracket (30).

When both ends of the upper connection frame 21 are placed on the second surface 32 of the connection bracket 30 and then connected with fixing screws, the first surface is perpendicular to the second surface 32 based on the drawing. (31) is connected to the connection bracket (30) in a form that is tightly fixed to either side of the upper connection frame (21).

As described above, when the connection brackets 30 fixed to both ends of the upper connection frame 21 constituting the connection portion 20 are brought into close contact with the upper frame 11 of the leg portion and the vertical frame 12, the connection bracket 30 The third surface 33, which is perpendicular to the first surface 31, is attached to the upper frame 11, and the fifth surface 55, which is perpendicular to the fourth surface 54, is attached to the vertical frame 12 of the leg portion 10. ) is closely adhered to.

As described above, a fixing screw (S ), the upper frame (11), the vertical frame (12), and the upper connection frame (21) are fastened and fixed with fixing screws (S) at each of three points by the connection bracket (30), so they move in each direction. The frame facing at right angles is firmly fixed.

That is, the fourth surface 34 of the connection bracket 30 mutually supports the upper connection frame 21 and the vertical frame 12 of the leg portion 10, and at the same time, the upper connection frame 11 and the upper connection frame ( Since the right angle connection of 21) is made, it has the effect of holding each other firmly without moving even if force is applied from any direction, which means that the auxiliary frame 22 on the lower side is connected to the insertion axis 13-1 on the fixture 13 side. In addition to the combination with the fastener using the set screw, a solid fixation is achieved.

Meanwhile, in connecting the auxiliary frame 21, as shown in the attached FIGS. 7 and 8, the auxiliary frame 22 using a reinforcing bracket 40 and the fixture 13 of the leg portion 10 are used. It can be connected and supported more firmly.

This attaches the supporting surface of the reinforcement bracket (40) and the hanging surface (42) perpendicular to the supporting surface (41) to the auxiliary frame (22) and the fixture (13) as if on a shoulder, and uses a fixing screw (S) through a coupling hole. When individually fastened, the side surfaces of the fixture 13, including the insertion shaft 13-1 of the fixture 13, are mutually supported to achieve stable fixation. In particular, the hanging surface 42 is branched at two points from the support surface 41 and bent at a right angle, and is provided as an auxiliary connection support with the fixture 13 at the lower part of the auxiliary frame 22 along with the insertion shaft 13-1. It can be reinforced with

The connection structure of each frame as described above provides additional sturdiness, especially for large tables that are manufactured and installed in large sizes.

As described above, the present invention has been described with specific details such as specific components and limited embodiments and drawings, but this is only provided to facilitate a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , those skilled in the art can make various modifications and variations from this description.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and the scope of the patent claims described below as well as all things that are equivalent or equivalent to the scope of the claims will be said to fall within the scope of the spirit of the present invention. .

1: Table top 10: Legs
11: upper frame 12: vertical frame
13: Fixing stand 13-1: Insertion axis
20: Connection 21: Upper connection frame
22: Auxiliary frame 30: Connection bracket
31: Page 1 32: Page 2
33: Page 3 34: Page 4
35: Fifth side 40: Reinforcement bracket
41: support surface 42: hanging surface
S: fixing screw

Claims (4)

The table top (1) is made up of a hollow upper frame (11) made of steel, a vertical frame (12) perpendicular to both ends of the upper frame (11), and a fixture (13) whose both ends are welded between the vertical frames. The leg portion 10 supporting the left and right bottom portions of the leg portion, the upper connecting frame 21 connecting the leg portions to each other, and the fixing bar 13 of the leg portion 10 parallel to the lower direction from the upper connecting frame 21 are interconnected. A table frame that is detachably combined and composed of a connection part 20 formed by an auxiliary frame 22 and a fixing screw S fastened to a coupling hole provided at each connection point of the leg part 10 and the connection part 20. In the connection structure,
The upper frame 11, the vertical frame 12, and the connecting portion 20 of the leg portion 10 are in close contact with one end of the upper connecting frame 21, respectively, to interconnect the leg portion 10 and the connecting portion 20. The connecting bracket (30) is fixed with the provided fixing screw (S),
The fixture 13 of the leg portion 10 to which the auxiliary frame 22 is connected is provided with an insertion shaft 13-1 for inserting and supporting the auxiliary frame 22, and the auxiliary frame 13-1 is provided on the insertion shaft 13-1. A table frame connection structure, characterized in that a fastening hole (13a) matching the coupling hole (22a) provided at the end side of (22) is provided and fixed with a fixing screw (S).
According to paragraph 1,
The connection bracket 30 is,
A first surface (31) supporting either side of both ends of the upper connection frame (21),
A second surface (32) that is perpendicular to the first surface and supports the bottom, and has a coupling hole (32a) coupled with a fixing screw (S),
A third surface (33) at a right angle from the first surface (31) and in close contact with the upper frame of the leg portion, and having a coupling hole (33a) coupled with a fixing screw (S),
A fifth surface (35) having a fourth surface (34) at right angles to the second surface (32) and a coupling hole (35a) at right angles to the fourth surface, in close contact with the vertical frame of the leg portion, and coupled with a fixing screw (S). ) A frame connection structure for a table, characterized in that it is formed integrally.
According to paragraph 1,
A table, characterized in that a reinforcing bracket 40 that further supports the auxiliary frame 22 and the fixture 13 is attached to the lower part of the auxiliary frame 22 coupled to the insertion shaft 13-1 and fixedly installed. Frame connection structure.
According to paragraph 3,
The reinforcement bracket 40 is,
A support surface 41 that supports the bottom of the auxiliary frame 22 and has a coupling hole 41a coupled with a fixing screw S, and a support surface 41 that branches off on both sides from the support surface 41 and is angled upward at a right angle to form a fixture 13. A frame connection structure for a table, characterized in that a hanging surface (42) is formed integrally with a coupling hole (42a) that is in close contact with the longitudinal direction and is connected to each other with a fixing screw (S).

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