KR101876192B1 - Frame connector - Google Patents

Abstract

A frame connector is opened. The frame connection port is a frame connection port for connecting a plurality of pillar-shaped frames, the frame connection port being inserted into one side of one of the plurality of frames, and having a plurality of surfaces so as to be in close contact with an inner side surface of the frame A first connection part formed in a shape of a '' shape and having a first fastening hole for fastening a fastening member for fastening the frame; And at least one abutting surface on one side of which the first connecting part is in contact and on the outer circumferential surface of one of the frames, and wherein the frame is fixed to the first connecting part in such a manner as to penetrate to the first connecting part And a second connection portion having a second fastening hole formed with a thread for fastening the fastening member.

Description

Frame connector {Frame connector}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame connector, and more particularly, to a frame connector which can firmly connect frames constituting a structure without twisting.

Generally, furniture such as beds, desks, and chairs are made of prefabricated furniture so that they can be easily changed and changed according to the user's choice and can be used in a modified form. Such prefabricated furniture is constructed such that each individual frame is adjacently connected to each other to form a mold for achieving the appearance. At this time, a separate frame connector (or bracket) is used to connect the respective frames to each other. In this case, each frame is usually made of a metallic material in the form of a hollow tube (circular or square pipe), and each frame and the frame are arranged perpendicular to each other in a vertical or horizontal direction so as to be adjacent to each other. Thereby forming the contour of the structure.

Conventionally, in order to connect a frame and a frame, a side wall of each frame is closely attached to one side of the bracket using a bracket of ' The frames are connected together.

However, since the conventional frame connector (or bracket) has a tight contact area with each frame and is weak in fastening force and an external force such as an impact is transmitted from the outside, the frames are twisted to deform the frame, There is a problem that it is separated and broken. That is, the first frames can not be maintained for the first time, and the durability of a structure such as a furniture is low.

In addition, when welding is performed to connect a frame and a frame, it is difficult to accurately connect the frame to a desired position and angle due to thermal deformation or the like, and it is difficult to repair the frame. Therefore, there is a problem that the frame can not be assembled and used in a desired form. Likewise, even when the frame connection port is manufactured using welding, it is difficult to fabricate the frame connection port accurately in a desired shape due to thermal deformation, so that there is a problem that when the frames are coupled using the frame connection port, defects occur.

Korean Utility Model Registration No. 20-0183394

SUMMARY OF THE INVENTION It is an object of the present invention to provide a frame connector capable of firmly connecting frames so that a frame does not twist due to an external force.

According to an aspect of the present invention, there is provided a frame connection port for connecting a plurality of pillar-shaped frames, the frame connection port being inserted into one side of one of the plurality of frames, Like shape having a plurality of surfaces so as to be in close contact with the inner surface of the frame, and has a first connection part formed with a first fastening hole for fastening the fastening member for fastening the frame; And at least one abutting surface on one side of which the first connecting part is in contact and on the outer circumferential surface of one of the frames, and wherein the frame is fixed to the first connecting part in such a manner as to penetrate to the first connecting part And a second connection portion having a second fastening hole formed with a thread for fastening the fastening member.

The first connection portion may include a fastening surface having a first fastening hole for fastening a fastening member for fastening any one of the plurality of frames; A supporting surface connected to one end of the clamping surface at right angles to support the frame; And a first connection surface connected to the other end of the fastening surface at a right angle and in contact with the second connection portion.

The support surface may further include an edge portion that is in close contact with an inner edge portion of the frame to support the frame and prevent the frame from rotating.

In addition, the second connecting portion may be vertically or horizontally coupled to the frame.

Further, the portion adjacent to the second fastening hole including the first connecting surface and the second connecting surface is formed to be thicker than the peripheral portion, so that the fastening member is prevented from being twisted when the fastening member is fastened to the second fastening hole can do.

The portion of the first connection surface and the second connection surface may be formed such that the upper portion of the second connection surface is higher than the upper portion of the first connection surface so that the frame end portion inserted into the first connection portion may be hooked And a locking protrusion formed so as to protrude therefrom.

The sum of the thicknesses of the first connection surface and the second connection surface may be greater than the thickness of the support surface or the thickness of the contact surface.

In addition, the second connection portion may be formed such that the contact surface is connected to one end of the second connection surface, and the combined shape of the second connection surface and the contact surface is' .

In addition, when the second connection portion is formed in a 'B' shape, the second connection portion may be assembled in a combined form of two components, and two or more frames may be coupled in a vertical or horizontal direction.

In addition, a frictional protrusion may be formed inside the at least one contact surface to contact the part of the outer surface of the frame to increase frictional resistance to prevent the frame from being twisted.

The frame connection port according to an embodiment of the present invention is assembled in a state in which the horizontal frame is inserted into the first connection portion and the horizontal frame or the vertical frame is closely attached to the second connection portion, The horizontal frame and the vertical frame can be prevented from being twisted and separated from each other in a state of being assembled by the frame connector so that a firmly fixed state can be maintained.

Accordingly, there is an advantage that durability can be improved so that the structure is not twisted due to external force by firmly connecting and fixing the frames.

Further, in the case of using the frame connector according to the technical idea of the present invention, there is no need to weld when connecting between the frames, so there is no defect due to thermal deformation, easy maintenance, easy assembly and disassembly, There is an advantage to have.

In addition, since the frame connection port according to one embodiment of the present invention can be manufactured through die casting without welding the first connection part and the second connection part, problems can be solved when the frame connection part is manufactured through welding There is an advantage.

BRIEF DESCRIPTION OF THE DRAWINGS A brief description of each drawing is provided to more fully understand the drawings recited in the description of the invention.
1 is a perspective view of a frame connector according to an embodiment of the present invention.
2 is a perspective view of a frame connector according to another embodiment of the present invention.
FIG. 3 is a perspective view illustrating a state where a horizontal frame and a vertical frame are coupled to the frame connector of FIG. 1. FIG.
FIG. 4 is a plan view of a state in which a horizontal frame and a vertical frame are coupled to the frame connector of FIG. 1. FIG.
FIG. 5 is a plan view illustrating a state where a plurality of horizontal frames are coupled to the frame connector of FIG. 1. FIG.
FIG. 6 is a plan view of a state in which a horizontal frame and a vertical frame are coupled to the frame connector of FIG. 2. FIG.
FIG. 7 is a plan view illustrating a state where a plurality of horizontal frames are coupled to the frame connector of FIG. 2. FIG.
FIG. 8 is a plan view illustrating a state where a plurality of frame connectors of FIG. 2 are coupled and a plurality of horizontal frames and vertical frames are combined.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

1 is a perspective view of a frame connector according to an embodiment of the present invention.

Referring to FIG. 1, the frame connector 10 of the present invention includes a first connection part 100 and a second connection part 200.

The frame connection port 10 according to the present invention is configured to connect a plurality of frames (a horizontal frame or a vertical frame) having a column shape constituting a frame of a structure such as a prefabricated furniture or the like to the frame by rigidly connecting the frames To the frame connector (10).

First, the first connection part 100 is inserted into one frame of the plurality of frames, that is, a part connected to the horizontal frame 1 of the present embodiment, inside the frame. That is, it can be inserted into the inner space of the frame in the form of an empty pipe (circular or square pipe). Further, the first connection part 100 is formed in a 'C' shape having a plurality of surfaces (close contact surfaces in close contact with the inside of the frame) so as to be in close contact with the inner side surface of the frame. Accordingly, at least one surface of the first connection part 100 is formed to be in close contact with the inside of the frame.

The first connection part 100 includes a fastening surface 110, a support surface 120, and a first connection surface 130. The fastening surface 110 is a portion to which one of the plurality of frames into which the first connection portion 100 is inserted is fixed and is fixed to one side of the fastening surface 110 in order to fix the frame to the first connection portion 100. [ A first fastening hole 111 formed with threads for fastening a separate fastening member (e.g., a bolt) is formed. That is, in the frame, a hole is formed at a position corresponding to the position of the first fastening hole 111 of the fastening surface 110, and the fastening member is inserted through the hole and the first fastening hole 111, It is possible to fix the frame to the frame 100. Therefore, the fastening surface 110 may be a close contact surface which is in close contact with the inner surface of the frame.

The support surface 120 is a portion that supports the inner corner portion of the frame and is connected to one end of the clamping surface 110 at a right angle. In other words, the outer edge portion of the support surface 120 may be positioned so as to be perpendicular to the inner surface of the frame in contact with the inner corner portion of the frame. At this time, the edge portion 140, which is in close contact with the inner edge portion of the frame, . The corner portion 140 serves to prevent the twist from occurring when the frame supports the inside of the frame and rotates while the first connection portion 100 is inserted. So that the movement of the frame is restricted. For example, the portion of the support surface 120 other than the corner portion 140 which is in close contact with the edge of the frame may be formed in a partially cut shape. In this case, only the edge portion may be in contact with the inside of the frame. Meanwhile, a machining hole 121 for machining a second fastening hole 211, which will be described later, may be formed at the center of the support surface 120.

The first connection surface 130 is connected to the second connection portion 200, which will be described later, and is perpendicular to the other end of the connection surface 110. That is, the outer rim portion of the first connection surface 130 may be positioned to be perpendicular to the inner surface of the frame in contact with the inner corner portion of the frame, and the support surface 120 and the first connection surface 130 And may be arranged to face each other with the fastening surface 110 therebetween.

Next, the second connection part 200 is connected to a frame other than the frame inserted into the first connection part 100 of the plurality of frames, and is formed to be in contact with the first connection part 100 at one surface. The second connection unit 200 includes a second connection surface 210 contacting the first connection surface 130 of the first connection unit 100 and at least one contact surface 220 to which the outer peripheral surface of the frame is closely attached. The second connection surface 210 is formed with a threaded second fastening hole 211 for fastening the fastening member to fasten the frame and the second fastening hole 211 is formed in the first fastening hole 211 And is formed to penetrate to the first connection surface 130. That is, the second connection hole 211 is formed so as to pass from the second connection surface 210 to the first connection surface 130 in a state where the first connection surface 130 and the second connection surface 210 are in contact with each other . Accordingly, the fastening member is inserted through the hole formed at one side of the frame and is coupled to the second fastening hole 211, so that the frame can be fixed in a state of being closely attached to the second connection part 200. In addition, a portion adjacent to the second connection hole 211 formed in the first connection surface 130 and the second connection surface 210 may be thicker than the peripheral portion. That is, the adjacent portion of the second connection hole 211 on the first connection surface 130 may be formed in a shape having a partial groove on the peripheral portion so as to be thicker than the peripheral portion. This is because in order to prevent twisting of the fastening portion of the second fastening hole 211 by the fastening member in the process of fastening the fastening member when the fastening member is fastened to the second fastening hole 211, So that the strength of the portion adjacent to the portion 211 is increased.

The first connecting surface 130 and the second connecting surface 210 are in contact with the first connecting surface 130 so that the end of the horizontal frame 1 inserted into the first connecting portion 130 can be hooked. The upper surface of the second connection surface 210 may protrude from the upper surface of the second connection surface 210 by a predetermined distance. Therefore, the horizontal frame 1 inserted into the first connection part 100 can be fixed in a locked state without falling over to the second connection part 200 by the latching part 212.

The sum of the thicknesses of the first connection surface 130 and the second connection surface 210 may be greater than the thickness of the support surface 120 or the thickness of the contact surface 220. That is, the first connection surface 130 and the second connection surface 210 are formed to be in contact with each other to be larger than the thickness of the support surface 120 or the thickness of the contact surface 220, .

The second connection part 200 is formed such that the contact surface 220 is connected to one end of the second connection surface 210 and the combined shape of the second connection surface 210 and the contact surface 220 is' Quot; or " C " shape. That is, FIG. 2 is a perspective view of a frame connector according to another embodiment of the present invention. Referring to FIG. 2, the second connection part 200 may be formed in an 'a' shape. In this case, when the second connection part 200 is formed in the shape of 'B', it can be assembled into a combined form of two components, and one or two horizontal frames 1 are attached to one vertical frame 2 Or one or two vertical frames 2 may be combined in one horizontal frame 1. [ The frame coupled to the second connection unit 200 may be a horizontal frame 1 or a vertical frame 2 vertically disposed at right angles to the horizontal frame 1 inserted into the first connection unit 100, The second connection portion 200 can be coupled to the frame in the vertical or horizontal direction.

An insertion hole 221 for inserting the fastening member may be formed on the contact surface 220. The contact surface 220 may be provided with a friction protrusion 222 may be formed. The frictional protrusions 222 are formed so as to protrude inside the contact surface 222 contacting the outer surface of the frame so that the frictional resistance can be increased to prevent the frame from easily turning or twisting after the frame is fastened to the second connection portion 200 . At this time, the friction protrusions 222 may be protruded in a strip shape, and a plurality of friction protrusions 222 may be formed if necessary.

Various embodiments in which the horizontal frame 1 or the vertical frame 2 are combined with the frame connector 10 of the present invention will now be described with reference to Figs.

FIG. 3 is a perspective view illustrating a state in which a horizontal frame and a vertical frame are coupled to the frame connector of FIG. 1. FIG. 4 is a plan view of a state of use to be.

3 to 4, the horizontal frame 1 may be coupled to the first connection unit 100, and the vertical frame 2 may be coupled to the second connection unit 200. At this time, the horizontal frame 1 is inserted into the first connection part 100, and the fastening member is inserted into the first fastening hole 111 in a state in which the fastening surface 110 is in close contact with the inner side surface of the horizontal frame 1 So that the horizontal frame 1 and the first connection part 100 are coupled. The second connection part 200 is formed in a shape of a letter "C", and is formed into a two-sided adhesion surface 220 and an insertion hole (not shown) formed in the contact surface 220 in close contact with the second connection surface 210 221 to the second fastening holes 211 are coupled to the vertical frame 2 so as to be coupled to the second connection portion 200. Therefore, the horizontal frame 1 and the vertical frame 2 can be fixedly coupled so as to be perpendicular to each other in the vertical direction.

FIG. 5 is a plan view illustrating a state where a plurality of horizontal frames are coupled to the frame connector of FIG. 1. FIG.

Referring to FIG. 5, a plurality of horizontal frames 1 may be coupled to the first connection part 100 and the second connection part 200. At this time, any one of the horizontal frames 1 is inserted into the first connection part 100, and the inner surface of the horizontal frame 1 and the fastening surface 110 are closely contacted with each other through the first fastening hole 111 The fastening member is inserted and the horizontal frame 1 and the first connection portion 100 are engaged. The second connection part 200 is formed in a shape of a letter "C", and is formed into a two-sided adhesion surface 220 and an insertion hole (not shown) formed in the contact surface 220 in close contact with the second connection surface 210 221) to the second fastening hole (211), and the horizontal frame (1) is coupled to the second connection part (200). Accordingly, the plurality of horizontal frames 1 can be fixedly coupled so as to be perpendicular to the horizontal direction.

FIG. 6 is a plan view of a state in which a horizontal frame and a vertical frame are coupled to the frame connector of FIG. 2. FIG.

Referring to FIG. 6, the horizontal frame 1 may be coupled to the first connection unit 100, and the vertical frame 2 may be coupled to the second connection unit 200. At this time, the horizontal frame 1 is inserted into the first connection part 100, and the fastening member 110 is fastened to the inner surface of the horizontal frame 1 with the fastening member through the first fastening hole 111 So that the horizontal frame 1 and the first connection part 100 are coupled. The second connection part 200 is formed in a shape of a letter "B", and is formed in a shape of an insertion hole 220 formed on one side of the contact surface 220 in close contact with the second connection surface 210, 221 to the second fastening holes 211 are coupled to the vertical frame 2 so as to be coupled to the second connection portion 200. Therefore, the horizontal frame 1 and the vertical frame 2 can be fixedly coupled so as to be perpendicular to each other in the vertical direction.

FIG. 7 is a plan view illustrating a state where a plurality of horizontal frames are coupled to the frame connector of FIG. 2. FIG.

Referring to FIG. 7, a plurality of horizontal frames 1 may be coupled to the first connection part 100 and the second connection part 200. At this time, any one of the horizontal frames 1 is inserted into the first connection part 100, and the inner surface of the horizontal frame 1 and the fastening surface 110 are closely contacted with each other through the first fastening hole 111 The fastening member is inserted and the horizontal frame 1 and the first connection portion 100 are engaged. The second connection part 200 is formed in a shape of a letter "B", and is formed in a shape of an insertion hole 220 formed on one side of the contact surface 220 in close contact with the second connection surface 210, 221 to the second fastening holes 211 are coupled to the vertical frame 2 so as to be coupled to the second connection portion 200. Accordingly, the plurality of horizontal frames 1 can be fixedly coupled so as to be perpendicular to the horizontal direction.

FIG. 8 is a plan view illustrating a state where a plurality of frame connectors of FIG. 2 are coupled and a plurality of horizontal frames and vertical frames are combined.

Referring to FIG. 8, two frame connection ports 10 formed in an 'a' 'shape are coupled to the second connection unit 200, and the second connection unit 200 having a' The horizontal frame 1 is coupled to the first connection unit 100 so that the horizontal frame 1 is perpendicular to the horizontal direction. The second connection unit 200 is connected to the vertical frame 1, (2) may be combined. At this time, the horizontal frame 1 coupled to the first connection part 100 is inserted into the first connection part 100, and the inner surface of the horizontal frame 1 and the connection surface 110 are in close contact with each other, The fastening member is inserted through the hole 111 to join the horizontal frame 1 and the first connection part 100. In addition, the second connection part 200 is formed by joining the two components formed in the 'B' shape to the close contact surface 220 formed by the two surfaces and the contact surface 220 in close contact with the second connection surface 210 The fastening member is fastened from the formed insertion hole 221 to the second fastening hole 211 so that the vertical frame 2 is coupled to the second connection part 200. In addition, in some cases, the fastening members may be fastened to the respective second fastening holes 211. At this time, in order to avoid interference with the plurality of fastening members, the second fastening holes 211 The position can be set to a position that can be inserted in a mutually offset manner. Therefore, the horizontal frame 1 and the vertical frame 2 can be fixedly coupled so as to be orthogonal to each other in the horizontal or vertical direction.

As described above, the frame connection port 10 according to an embodiment of the present invention is assembled in a state where the horizontal frame 1 is inserted into the first connection portion 100, and the horizontal frame 1 is assembled to the second connection portion 2. [ The vertical frame 2 and the horizontal frame 1 can be fixed to each other in a state of being assembled by the frame connector 10 So that it is possible to maintain a firmly fixed state.

Accordingly, there is an advantage that durability can be improved so that the structure is not twisted due to external force by firmly connecting and fixing the frames.

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms are employed herein, they are used for purposes of describing the invention only and are not intended to limit the scope of the invention or limit the scope of the invention as set forth in the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: frame connection port 100: first connection part
110: fastening surface 111: first fastening hole
120: support surface 121: machining hole
130: first connecting surface 140:
200: second connection part 210: second connection surface
211: second fastening hole 212: fastening jaw
220: close contact surface 221: insertion hole
222: Friction projection 1: Horizontal frame
2: vertical frame

Claims (10)

In a frame connector for connecting a plurality of columns of frames,
The frame member is inserted into one side of one of the plurality of frames and has a plurality of surfaces so as to be in close contact with an inner surface of the one frame, A first connection part formed with a first fastening hole to be fastened; And
And at least one contact surface on one side of which the first connecting portion is in contact and on the outer circumferential surface of the other one of the frames being in close contact with the first connecting portion, And a second connection portion formed with a threaded second fastening hole for fastening the fastening member to fix the frame,
The first connection part
A fastening surface having a first fastening hole for fastening a fastening member for fastening the one frame;
A supporting surface connected to one end of the fastening surface at right angles to support the one frame; And
And a first connection surface connected to the other end of the fastening surface at a right angle and in contact with the second connection portion. delete The method according to claim 1,
The support surface
Further comprising an edge portion which is in close contact with an inner corner portion of the frame to support the one frame and prevent the frame from rotating. The method according to claim 1,
The second connection portion
And the other frame can be coupled in a vertical or horizontal direction. The method according to claim 1,
The portion adjacent to the second fastening hole including the first connecting surface and the second connecting surface is formed to be thicker than the peripheral portion so that the fastening member can be prevented from being twisted when the fastening member is fastened to the second fastening hole Wherein the frame connector comprises: The method according to claim 1,
Wherein a portion where the first connection surface and the second connection surface are in contact with each other is formed,
And a locking protrusion protruding from the upper portion of the second connection surface so that the upper end of the second connection surface protrudes from the upper portion of the first connection surface so that the frame end inserted into the first connection portion can be hooked. The method according to claim 1,
Wherein the sum of the thicknesses of the first connection surface and the second connection surface is greater than the thickness of the support surface or the thickness of the close contact surface. The method according to claim 1,
The second connection portion
The contact surface is connected to one end of the second connection surface,
And the combined shape of the second connection surface and the close contact surface has a shape of 'B' or 'C'. 9. The method of claim 8,
The second connection portion
When the frame is formed in an 'a' shape, it is possible to combine one or two horizontal frames in the vertical frame or one or two vertical frames in the horizontal frame. Connector. The method according to claim 1,
On the inside of the at least one close contact surface,
And a frictional protrusion is formed such that the frictional resistance is increased by contacting with a part of the outer surface of the other frame to prevent the frame from being twisted.

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