KR102536004B1 - Frame connector, manufacturing method thereof, and frame connection method using the same - Google Patents

Abstract

Disclosed is a frame connector that is very simple to manufacture, can significantly reduce production costs, and is very easy to construct, a method for manufacturing the same, and a method for connecting a frame using the same. The frame connector, its manufacturing method, and frame connection method using the same are very simple to manufacture the frame connector, and can greatly reduce the manufacturing time, work man-hours, and manufacturing cost, and can significantly reduce the assembly time and construction cost of the rectangular frame. Therefore, it has the effect of significantly improving customer satisfaction.

Description

Frame connector, its manufacturing method, and frame connection method using it

The present invention relates to a frame connector, a manufacturing method thereof, and a frame connection method using the same, and more particularly, to a frame connector capable of connecting rectangular frames used for building structures, interior structures, furniture, etc. to each other, a manufacturing method thereof, and a frame using the same. It's about how to connect.

In general, structures such as building/interior assembly structures or furniture are manufactured by arranging rectangular frame constituting a skeleton to intersect each other in the horizontal and vertical directions of a desired shape and then connecting them to each other.

At this time, the connection portion of the rectangular frame is connected through welding or bolting, or a connection operation is performed by welding or bolting after attaching a separate connection member.

Accordingly, when the amount of welding in the connection area increases, the connection area becomes embrittlement and part of the frame is transported while being connected, which not only restricts transportation, but also requires a lot of manpower and excessive work time. In particular, it provides a cause for wasting raw materials due to non-reusable conditions.

In addition, when the connecting parts are connected by welding, the appearance of the welded parts is not beautiful, so that the manufacturing process is cumbersome and requires a lot of man-hours, so that the workability is deteriorated.

In addition, the connection work by bolting also has the disadvantage of requiring a long fastening work time due to a large number of bolts and nuts, as well as the connection work by bolting, which is performed after combining connecting members through welding, etc. It also has its drawbacks as well.

In particular, the connection part is connected in various forms depending on its location, such as a connection part connecting up and down, left and right, front and back, corner connection part, or middle connection part. Each of these connection parts is connected by welding or bolting. As it is done, there were disadvantages of having the above-described problems as they are along with considerably cumbersome and inconvenient problems.

Thus, recently, a 'frame assembly' as disclosed in Republic of Korea Patent Publication No. 10-2014-0018613 (published date: 2014.02.13.) is being developed and used.

In the case of such a frame assembly, it is possible to conveniently and quickly install the rectangular frame and at the same time achieve a more stable frame structure. The support bar is connected using only one coupling pin rod on one side of the coupling block. In this case, a phenomenon in which the support bar is rotated around the coupling pin rod occurs.

Therefore, recently, in order to prevent the support bar from rotating, the support bar is connected using at least two coupling pin rods on one side of the coupling block to prevent the support bar from rotating around the coupling pin rod. do.

In the case of such a conventional frame assembly, after molding a solid cube coupling block, threads for screwing a pair of coupling pin rods to at least two surfaces of the cube must be machined.

In other words, since the solid cube coupling block must be molded, the coupling block is heavy and the production cost is very high, and a pair of threads must be machined on each side of the solid coupling block, and the coupling block It is necessary to process a pair of coupling holes into which the coupling pin rod is inserted into the support bar connected by, and to process a pair of fastening chain coupling holes that communicate with the pair of coupling holes in a vertical direction, respectively, thereby ensuring the support bar coupling. There is a problem in that manufacturing is difficult and takes a long time by requiring a lot of processing through manual work, and the production cost is very high and the combination of the support bar and the coupling block is also complicated.

Republic of Korea Patent Publication No. 10-2014-0018613 (published date: 2014.02.13.) Republic of Korea Patent Registration No. 10-1925706 (registration date: 2018.11.29.) Republic of Korea Patent Registration No. 10-1960283 (registration date: 2019.03.14.) Republic of Korea Patent Registration No. 10-1577618 (registration date: 2015.12.09.)

Accordingly, an object of the present invention is to provide a frame connector, a manufacturing method thereof, and a frame connection method using the same, which are very simple to manufacture, can significantly reduce production costs, and are very easy to construct.

Other detailed objects of the present invention will be clearly identified and understood by experts or researchers in the art through the specific contents described below.

In order to achieve the above object, the present invention provides a body portion formed in a hollow cube shape, a nut embedded hole formed on at least two surfaces of the body portion, and insertion and coupling into the nut embedded hole so as to be coupled in a form embedded in the body portion. It proposes a frame connector including a connecting nut to which the threaded portion of the connecting bolt connected to the rectangular frame is screwed.

For example, the connection nut may be coupled to the main body part by being inserted into the nut-embedded hole and riveted.

Here, the nut-embedded hole may be formed in a central portion of at least two surfaces of the body portion.

In addition, the frame connector is formed on at least two surfaces of the main body to be located around the nut-embedded hole, and at least one anti-rotation pin coupled to the rectangular member frame is inserted and coupled to be located around the connecting bolt, thereby inserting and coupling the rectangular member. At least one anti-rotation hole preventing the frame from rotating may be further included.

Here, the anti-rotation hole may be formed on at least two surfaces of the main body so as to be symmetrical on both sides around the nut-embedded hole.

In addition, the present invention includes a buried hole forming step of forming a plurality of nut embedded holes at predetermined intervals on at least two surfaces of a hollow rectangular pipe of square cross section, and the hollow rectangular pipe of square cross section adjacent to each other so as to form a regular hexahedron. A main body cutting step of cutting the plate material into a square shape to have the same size as the open square cross section of the rectangular pipe cut in the cube shape, and the open cross section of the rectangular pipe cut in the cube shape. A body part welding step of welding and attaching a plate material cut in a square shape to the facing surface, a body part polishing step of grinding and polishing a welded portion between the square-shaped plate material and a rectangular pipe, and a plurality of nut embedded holes A method for manufacturing a frame connector including a connection nut coupling step of inserting and coupling a connection nut is proposed.

In addition, in the filling hole forming step, the nut filling hole may also be formed in the plate material.

Here, at least one anti-rotation hole may be further formed around each nut-embedded hole.

Meanwhile, the anti-rotation hole is preferably formed to be symmetrical on both sides of the nut-embedded hole.

For example, in the coupling of the connection nut, the connection nut may be inserted into the nut-embedded hole and coupled to the nut-embedded hole by being riveted.

In addition, the present invention is a frame connection method using the frame connector, comprising: a connection bolt screw fastening step of screwing a connection bolt to a connection nut of the frame connector and connecting the cross section of the rectangular frame in contact with the frame connector body A step of forming a bolt insertion hole at a predetermined depth and at the same time forming a clamping chain insertion hole on the side surface of the rectangular material frame so as to communicate vertically with the bolt insertion hole, and inserting the clamping chain into the clamping chain insertion hole Installing the clamping chain installation step, inserting the connecting bolt screwed into the connecting nut of the frame connector into the bolt insertion hole of the rectangular frame so that the head of the connecting bolt is inserted into the bolt head insertion groove formed on the side of the clamping chain Connecting bolt insertion step to fasten, and by rotating the tightening chain to insert the bolt by the pressing protrusion protruding from the bolt head insertion groove so that the distance away from the center of the tightening chain in the rotational direction of the tightening chain is gradually shortened A frame connection method using a frame connector is proposed, which includes a step of pressing and adhering the rectangular frame to the body of the frame connector by pressing the head of the connecting bolt inserted into the groove toward the rectangular frame.

On the other hand, in the rectangular frame processing step, at least one anti-rotation pin insertion hole is further formed on the end surface of the rectangular frame to be located around the bolt insertion hole, and an anti-rotation pin is inserted into the rotation prevention pin insertion hole. In the connecting bolt insertion step, when the connecting bolt is inserted into the bolt insertion hole of the rectangular frame, the anti-rotation pin is inserted into the anti-rotation hole of the frame connector.

Here, it is preferable that the anti-rotation pin insertion hole into which the anti-rotation pin is inserted is formed on the cross section of the rectangular frame so as to be perpendicular to the bolt insertion hole.

As described above, in the frame connector according to an embodiment of the present invention and the method for manufacturing the same, after cutting a hollow rectangular pipe having a square cross section into a regular hexahedron shape, cutting the cut pipe to have the same size as the open square cross section of the cut rectangular pipe. The plate material is welded and attached to the open facing surfaces of the rectangular pipe cut in the shape of the cube, and then ground and polished to manufacture the main body.

Therefore, the frame connector and its manufacturing method according to an embodiment of the present invention can significantly reduce the weight compared to a general frame connector in the form of a solid hexahedron, and accordingly, the amount of material required for manufacturing the frame connector is also significantly reduced. It also has the effect of significantly reducing production costs.

In addition, in the case of a frame connector and a manufacturing method according to an embodiment of the present invention, only a nut-embedded hole and an anti-rotation hole are processed in a relatively thin rectangular pipe or plate, and in the case of a connection nut for screwing a connection bolt, the nut By riveting to the buried hole, it is very easily and quickly embedded, so that the amount of frame connector material discarded when processing the nut embedded hole and the anti-rotation hole is significantly reduced compared to the conventional frame connector, as well as without thread processing. By simply machining the anti-rotation hole, manufacturing is very simple and has the effect of significantly reducing manufacturing time and man-hours.

In addition, when the rectangular timber frame is connected using the frame connector according to an embodiment of the present invention, only one bolt insertion hole into which the connecting bolt is inserted when connecting the rectangular timber frame is processed in the cross-section of the rectangular timber frame, and the bolt Not only only one clamping chain insertion hole that communicates vertically with the insertion hole needs to be processed, but also only one clamping chain and connecting bolt are used when connecting one rectangular frame to a frame connector.

Therefore, by significantly reducing the number of parts used when connecting the rectangular frame using the frame connector, it is possible to significantly reduce the assembly time and construction cost of the rectangular frame using the frame connector.

In addition, by further forming an anti-rotation pin insertion hole around the bolt insertion hole and inserting and fastening the anti-rotation pin into the anti-rotation pin insertion hole, during or after fixing the rectangular timber frame and the frame connector, the rectangular timber frame is connected to the connecting bolt It has the effect of preventing unintentional rotation around the .

Ultimately, the frame connector according to the present invention, the manufacturing method thereof, and the frame connection method using the same are very simple to manufacture the frame connector, and can significantly reduce the manufacturing time, work manpower, and manufacturing cost, and the assembly time and construction of the rectangular frame It can significantly reduce costs, so it has the effect of significantly improving customer satisfaction.

Other effects of the present invention will be clearly identified and understood by experts or researchers in the art through the specific details described below or during the course of practicing the present invention.

1 is a perspective view of a frame connector according to an embodiment of the present invention
Figure 2 is an exploded perspective view of a frame connector according to an embodiment of the present invention
3 to 5 are views for explaining a process of manufacturing a frame connector according to an embodiment of the present invention
Figure 6 is a flow chart for explaining a method of manufacturing a frame connector according to an embodiment of the present invention
7 is a flowchart for explaining a frame connection method using a frame connector according to an embodiment of the present invention.
Figure 8 is a perspective view for explaining a frame connection method using a frame connector according to an embodiment of the present invention
Figure 9 is a cross-sectional view for explaining a frame connection method using a frame connector according to an embodiment of the present invention

Since the present invention may have various changes and various forms, specific embodiments are illustrated in the drawings and described in detail in the text. However, it should be understood that this is not intended to limit the present invention to the specific disclosed form, and includes all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features or It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

Referring to the following drawings, preferred embodiments of the present invention will be described in more detail.

1 is a perspective view of a frame connector according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a frame connector according to an embodiment of the present invention, and FIGS. 3 to 5 are frames according to an embodiment of the present invention. It is a drawing for explaining the process of manufacturing a connector.

Referring to FIGS. 1 to 5 , the frame connector 100 according to an embodiment of the present invention may include a body portion 110 , a nut buried hole 120 , and a connection nut 130 .

The body portion 110 may be formed in the shape of a hollow cube.

For example, as shown in FIG. 3, the main body portion 110 cuts the hollow rectangular pipe P having a square cross section into a regular hexahedron shape, and then opens the square cross section of the hollow rectangular pipe P. As shown in FIG. 4, the plate material B is cut into a square shape to have the same size as the square material pipe (110b) cut into the cube shape as shown in FIG. 110a) may be fabricated by attaching by welding to the open facing surfaces of each other, and then grinding and polishing the welded area.

The nut-embedded hole 120 may be formed on at least two surfaces of the body part 110 manufactured in the shape of the cube.

Here, the nut-embedded hole 120 is preferably formed in the center of at least two surfaces of the body part 110 .

For example, the nut-embedded hole 120 may be formed to be combined in various shapes as needed, from at least two faces to six faces of the main body 110 manufactured in the shape of a cube.

More specifically, in the case of connecting the two rectangular frames 210 with the frame connector 100 according to the present invention, the nut-embedded hole 120 is formed on the two surfaces of the main body 110 manufactured in the form of a cube. When forming and connecting the three rectangular frames 210 with the frame connector 100, nut-embedded holes 120 are formed on three surfaces of the body portion 110 manufactured in the form of a cube, in the same way. In the frame connector 100 according to an embodiment of the present invention, nut-embedded holes 120 may be formed on all of up to six surfaces. For explanation, in FIG. 5 , it is shown that nut embedded holes 120 are formed on five surfaces of the main body 110 of the frame connector 100 .

The connecting nut 130 is inserted into the nut embedded hole 120 so as to be coupled to the body portion 110 in a buried form, and the threaded portion 221 of the connecting bolt 220 connected to the rectangular frame 210 is Allows for screw fastening.

For example, a rivet nut or a pop-up nut may be used as the connection nut 130, and the connection nut 130 is inserted into the nut-embedded hole 120 and riveted to the body portion 110. It can be combined in a buried form.

Meanwhile, the frame connector 100 according to an embodiment of the present invention may further include at least one anti-rotation hole 140 .

The anti-rotation hole 140 is formed on at least two surfaces of the body portion 110 so that at least one is located around the nut-embedded hole 120, and is located around the connection bolt 220, so that the rectangular frame ( 210) by inserting and coupling at least one anti-rotation pin 230 to prevent the rectangular frame 210 from rotating.

Here, the anti-rotation hole 140 is preferably formed on at least two surfaces of the body portion 110 so as to be symmetrical on both sides around the nut-embedded hole 220 .

The anti-rotation hole 140 communicates with the anti-rotation pin insertion hole 213 of the cross section of the rectangular frame 210, which will be described later, and prevents the rotation of the rectangular frame 210 by inserting the anti-rotation pin 230, When there is only one anti-rotation hole 140, when forming the anti-rotation pin insertion hole 231 on the cross section of the rectangular frame 210, it must be formed at a position corresponding to the position of the anti-rotation hole 140, The anti-rotation hole 140 is formed to be symmetrical around the nut-embedded hole 220, and as will be described later, each other around the bolt insertion hole 211 of the cross section of the rectangular frame 210 in the rectangular frame processing step (S220). When the anti-rotation pin insertion hole 213 is formed at a right angle, any one of the anti-rotation hole 140 and any one of the anti-rotation pin insertion hole 213 communicate with each other, thereby significantly improving workability.

A method of manufacturing a frame connector according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6 .

6 is a flowchart illustrating a method of manufacturing a frame connector according to an embodiment of the present invention.

1 to 6, the method of manufacturing the frame connector 100 according to an embodiment of the present invention includes forming a buried hole (S110), cutting the main body (S120), welding the main body (S130), A sub-polishing step (S140) and a connecting nut coupling step (S150) may be included.

As shown in FIG. 3 , the filling hole forming step (S110) is a step of forming a plurality of nut filling holes 120 at predetermined intervals on at least two surfaces of the hollow square pipe P having a square cross section.

In the filling hole forming step (S110), if necessary, a plurality of nut filling holes 120 may be formed in the plate material B at predetermined intervals as shown in FIG. 4 .

Meanwhile, in the filling hole forming step ( S110 ), at least one anti-rotation hole 140 may be further formed around each nut filling hole 120 .

Here, it is preferable that the anti-rotation hole 140 is formed symmetrically on both sides around the nut-embedded hole 120 .

As shown in FIG. 3, in the main body cutting step (S120), laser cutting is performed between the nut-embedded holes 120 adjacent to each other so that the hollow angle pipe P of the square cross section is formed into a cube shape, and the cube shape This is a step of laser cutting the plate material B into a square shape as shown in FIG. 4 so as to have the same size as the open square cross section of the cut pipe 110a.

Here, in the plate (B), as shown in FIG. 4, a plurality of nut-embedded holes 120 and anti-rotation holes 140 may be formed at predetermined intervals only in a portion of the necessary quantity, and in the remaining portion, a nut-embedded hole ( 120) and the anti-rotation hole 140 may not be formed.

The body portion welding step (S130) is a step of welding and attaching the plate material 110b cut in a square shape to the open facing surfaces of the rectangular pipe 110a cut in the cube shape, as shown in FIG. .

At this time, the plate member 110b cut in the form of a square having a nut embedded hole 120 and an anti-rotation hole 140 formed on the open surface of the rectangular pipe 110a cut in the cube shape, and the nut embedded hole 120 ) and the anti-rotation hole 140 are not formed, so that the plate member 110b cut in a square shape can be selected and attached by welding, if necessary.

For example, a plate member 110b cut in a square shape in which the nut-embedded hole 120 and the anti-rotation hole 140 are formed on the open facing surfaces of the rectangular pipe 110a cut in the cube shape. can be attached by welding.

In another example, a plate material cut in a square shape in which the nut-embedded hole 120 and the anti-rotation hole 140 are not formed on the open facing surfaces of the cube-shaped rectangular pipe 110a ( 110c) may be attached by welding.

In another example, a nut-embedded hole 120 and an anti-rotation hole 140 are formed on one of the open facing surfaces of the cube-shaped pipe 110a, which is cut in a square shape. The plate material 110b may be welded, and the plate material 110c cut into a square shape in which the nut-embedded hole 120 and the anti-rotation hole 140 are not formed may be welded to the other surface.

In the main body polishing step (S140), after welding and attaching the plate material 110b cut in a square shape to the open facing surface of the rectangular pipe 110a cut in the cube shape, This is a process of grinding and polishing the welded portion, that is, the welded portion of the square-shaped plate member 110b and the rectangular pipe 110a.

The connection nut coupling step (S150) is a step of inserting and coupling the connection nuts 130 into the plurality of nut embedded holes 120 provided in the body portion 110.

In the connection nut coupling step (S150), a rivet nut or a pop-up nut may be used as the connection nut 130, and such a connection nut 130 is inserted into the nut embedding hole 120 and riveted, thereby embedding the nut. It may be coupled to the hole 120.

A process of connecting frames using a frame connector according to an embodiment of the present invention will be described with reference to FIGS. 1 to 9 .

7 is a flowchart for explaining a frame connection method using a frame connector according to an embodiment of the present invention, and FIG. 8 is a perspective view for explaining a frame connection method using a frame connector according to an embodiment of the present invention, 9 is a cross-sectional view for explaining a frame connection method using a frame connector according to an embodiment of the present invention.

1 to 9, the frame connection method using a frame connector according to an embodiment of the present invention includes a connecting bolt screw fastening step (S210), a rectangular frame processing step (S220), a tightening chain installation step (S230), It may include a connection bolt insertion step (S240) and a rectangular frame pressing and close step (S250).

The connecting bolt screwing step (S210) is a step of connecting the connecting bolt 220 to the connecting nut 130 coupled to the frame connector 100 by screwing it.

Here, the connecting bolt 220 has a threaded portion 221 screwed to the connecting nut 130 on one side and a connecting protrusion 222 protruding on the other side, and a fastening chain 240 on the connecting protrusion 222. ) It is possible to use a connection bolt 220 in which the bolt head 223 inserted into the bolt head insertion groove 241 protrudes.

In the rectangular timber frame processing step (S220), a bolt insertion hole 211 is formed at a predetermined depth in the cross section of the rectangular timber frame 210 in contact with the body portion 110 of the frame connector 100, and the bolt insertion hole is formed at the same time. This is a step of forming a fastening chain insertion hole 212 on the side surface of the rectangular frame 210 so as to communicate vertically with (211).

In the rectangular timber frame processing step (S220), at least one anti-rotation pin insertion hole 213 is further formed on the cross section of the rectangular timber frame 210 so as to be located around the bolt insertion hole 211 to insert the anti-rotation pin. By inserting and fastening the anti-rotation pin 230 into the hole 213, the connecting bolt 220 is inserted into the bolt insertion hole 211 of the rectangular frame 210 in the connecting bolt inserting step (S240) to be described later. In this case, the anti-rotation pin 230 is inserted into the anti-rotation hole 140 of the frame connector 100 so that it can be fastened.

Here, it is preferable that the anti-rotation pin insertion hole 213 into which the anti-rotation pin 230 is inserted is formed on the cross section of the rectangular frame 210 so as to be perpendicular to each other around the bolt insertion hole 211. do. An anti-rotation pin insertion hole 213 is formed at right angles to each other around the bolt insertion hole 211 of the cross section of the rectangular frame 210, and the anti-rotation hole is centered on the nut embedded hole 220 of the frame connector 100 If the 140 is formed to be symmetrical, when the rectangular frame 210 is coupled to the frame connector 100, one of the anti-rotation holes 140 and one of the anti-rotation pin insertion holes 213 communicate with each other. This significantly improves workability.

On the other hand, the connection bolt screw fastening step (S210) and the rectangular frame processing step (S220) may be performed in reverse order or simultaneously.

The clamping chain installation step (S230) is a step of inserting and installing the clamping chain 240 into the clamping chain insertion hole 212.

Here, the clamping chain 240 may be rotatably installed in the clamping chain insertion hole 212 .

For example, the clamping chain 240 is formed in a circular shape, and a bolt head insertion groove 241 is formed on the side portion, and the bolt head inserting groove 241 has a clamping chain in the direction of rotation of the clamping chain 240. The pressing protrusion 242 may protrude so that the distance away from the center of the 240 is gradually shortened.

The connection bolt insertion step (S240) is the connection nut of the frame connector 100 so that the head 223 of the connection bolt 220 is inserted into the bolt head insertion groove 241 formed on the side portion of the clamping chain 240 This is a step of inserting and fastening the connecting bolt 220 screwed to 130 into the bolt insertion hole 211 of the rectangular frame 210.

At this time, the anti-rotation pin 230 inserted into the cross section of the rectangular frame 210 may be inserted into the anti-rotation hole 140 of the frame connector 100.

In the step of pressurizing and adhering to the rectangular frame (S250), the clamping chain 240 is rotated using a wrench or a driver in a state where the head 223 of the connecting bolt 220 is inserted into the bolt head insertion groove 241. The bolt insertion groove 241 is formed by the pressing protrusion 242 protruding from the bolt head insertion groove 241 so that the distance away from the center of the tightening chain 240 is gradually shortened in the direction of rotation of the tightening chain 240. ) Press the head 223 of the connecting bolt 220 inserted into the rectangular frame 210 side to press and close the rectangular frame 210 to the main body 110 of the frame connector 100, so that the rectangular frame 210 ) This is a step of firmly coupling the frame connector 100.

Although FIG. 9 shows that two rectangular frames 210 are coupled to the frame connector 100, the frame connection method according to the number of nut embedded holes 120 and connection nuts 130 formed in the frame connector 100 It will be easily understood by those skilled in the art that up to six rectangular frame 210 can be coupled using one frame connector 100.

As described above, in the frame connector according to an embodiment of the present invention and its manufacturing method, after cutting the hollow square pipe P of square cross section into a regular hexahedron shape, the open square cross section of the cut square pipe 110a The body portion 110 is manufactured by welding and attaching the plate material 110b cut to have the same size to the open facing surfaces of the rectangular pipe 100a cut in the cube shape, and then grinding and polishing.

Therefore, the frame connector and its manufacturing method according to an embodiment of the present invention can significantly reduce the weight compared to a general frame connector in the form of a solid hexahedron, and accordingly, the amount of material required to manufacture the frame connector 100 is also reduced. This can significantly reduce manufacturing costs as well.

In addition, the frame connector and its manufacturing method according to an embodiment of the present invention form the nut-embedded hole 120 and the anti-rotation hole 140 on at least two surfaces of the hollow square pipe P, or, if necessary, It can be formed by perforating the plate material (B).

That is, in the case of a conventional general frame connector, tap processing of a very deep depth for screwing two connecting bolts to each side of the body part in the form of a solid cube is required, whereas, according to an embodiment of the present invention The frame connector and its manufacturing method is a connection for screwing the connection bolt 220 by processing only the nut-embedded hole 120 and the anti-rotation hole 140 in the relatively thin rectangular pipe (P) or plate (B) In the case of the nut 130, the buried nut 120 is fastened very easily and quickly by riveting, so that the nut embedded hole 120 and the anti-rotation hole 140 can be processed compared to conventional frame connectors. Not only does the amount of discarded frame connector 100 material significantly decrease, but it is very simple to manufacture and significantly reduce manufacturing time and man-hours by simply machining holes in a very thin plate without thread processing.

In addition, when the rectangular timber frame 210 is connected using the frame connector according to an embodiment of the present invention, the bolt insertion hole 211 into which the connecting bolt 220 is inserted is inserted into the rectangular timber frame 210 when the rectangular timber frame 210 is connected. ) It is only necessary to process only one cross section of the bolt insertion hole 211, and only one clamping chain insertion hole 212 in vertical communication with the bolt insertion hole 211 also needs to be processed, as well as the clamping chain 240 and the connecting bolt ( 220) In addition, when connecting one rectangular frame 210 to the frame connector 100, only one each needs to be used.

Therefore, by significantly reducing the number of parts used when connecting the rectangular timber frame 210 using the frame connector 100, the assembly time and construction cost of the rectangular timber frame 210 using the frame connector 100 can be significantly reduced. there is.

Although the detailed description of the present invention described above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those having ordinary knowledge in the art will find the spirit of the present invention described in the claims to be described later. And it will be understood that the present invention can be variously modified and changed without departing from the technical scope.

(110): body part (120): nut embedded hole
(130): connection nut (140): anti-rotation hole
(210): square frame (220): connecting bolt
(230): anti-rotation pin (240): fastening chain

Claims (13)

A body portion formed in the shape of a hollow cube;
nut embedded holes formed on at least two surfaces of the main body; and
A connection nut to which a threaded portion of a connecting bolt connected to a rectangular frame is screwed by being inserted into the nut embedding hole so as to be coupled to the main body in a buried form,
The connection nut is inserted into the nut embedding hole and riveted so as to be coupled to the main body in a form embedded,
The nut embedded hole is formed in the central portion of at least two surfaces of the body portion,
At least one anti-rotation pin formed on at least two surfaces of the main body to be located around the nut-embedded hole and coupled to the rectangular timber frame to be located around the connecting bolt is inserted and coupled to prevent the rectangular timber frame from rotating. Frame connector further comprising at least one anti-rotation hole for doing. delete delete delete According to claim 1,
The anti-rotation hole,
Frame connector, characterized in that formed on at least two surfaces of the body portion to be symmetrical on both sides around the nut embedded hole. A buried hole forming step of forming a plurality of nut embedded holes at predetermined intervals on at least two surfaces of a hollow rectangular pipe having a square cross section;
A main body that cuts the hollow rectangular pipe of the square cross section between adjacent buried holes to form a cube shape and at the same time cuts the plate material into a square shape to have the same size as the open square cross section of the rectangular pipe cut in the cube shape sub-cutting step;
A main body welding step of welding and attaching a plate material cut in a regular hexahedron shape to an open surface facing each other of the rectangular pipe cut in a regular hexahedron shape;
A main body polishing step of grinding and polishing a welded portion of the square-shaped plate member and the rectangular pipe; and
A frame connector manufacturing method comprising a connection nut coupling step of inserting and coupling connection nuts into the plurality of nut embedded holes. According to claim 6,
In the step of forming the buried hole,
The frame connector manufacturing method, characterized in that a plurality of nut embedded holes can be formed at predetermined intervals in the plate material. According to claim 7,
Frame connector manufacturing method characterized in that further forming at least one anti-rotation hole around each nut embedded hole. According to claim 8,
The anti-rotation hole,
Frame connector manufacturing method, characterized in that formed to be symmetrical on both sides around the nut embedded hole. According to claim 6,
In the connecting nut coupling step,
The method of manufacturing a frame connector, characterized in that the connection nut is coupled to the nut embedded hole by being inserted into the nut embedded hole and riveted. As a frame connection method using the frame connector of claim 1,
A connection bolt screwing step of connecting by screwing a connection bolt to a connection nut of a frame connector;
Rectangle frame processing to form a bolt insertion hole at a predetermined depth in the cross section of the angle timber frame in contact with the frame connector body and at the same time form a fastening chain insertion hole on the side surface of the angle timber frame so as to communicate vertically with the bolt insertion hole step;
A clamping chain installation step of inserting and installing the clamping chain into the clamping chain insertion hole;
A connection bolt insertion step of inserting and fastening a connection bolt screwed into a connection nut of the frame connector into a bolt insertion hole of the rectangular frame so that the head of the connection bolt is inserted into the bolt head insertion groove formed in the clamping chain side portion; and
By rotating the clamping chain, the head of the connection bolt inserted into the bolt insertion groove is formed by a pressing protrusion protruding from the bolt head insertion groove so that the distance away from the center of the clamping chain is gradually shortened in the rotational direction of the clamping chain. A frame connection method using a frame connector comprising a step of pressing and adhering the rectangular frame to the body of the frame connector by pressing the rectangular frame to the frame connector. According to claim 11,
In the step of processing the rectangular frame,
At least one anti-rotation pin insertion hole is further formed on the cross-section of the rectangular frame to be located around the bolt insertion hole, and an anti-rotation pin is inserted into the anti-rotation pin insertion hole and fastened.
In the step of inserting the connecting bolt,
When the connecting bolt is inserted into the bolt insertion hole of the rectangular frame, the anti-rotation pin is inserted into the anti-rotation hole of the frame connector. According to claim 12,
The anti-rotation pin insertion hole into which the anti-rotation pin is inserted and fastened,
Frame connection method using a frame connector, characterized in that formed on the cross-section of the rectangular frame so that it is perpendicular to the center of the bolt insertion hole.

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