KR20140122935A - Frame connecter - Google Patents

Abstract

The present invention relates to a frame connector by which a frame can be quickly and easily assembled and disassembled and the assembled frame can be manufactured to have a neat and improved appearance. According to an embodiment of the present invention, the frame connector perpendicularly connecting a first frame member with a longitudinal first coupling groove and a second frame with a longitudinal second coupling groove comprises: a fastening nut inserted into the first coupling groove of the first frame member, and having a first bolt coupling hole penetrating the fastening nut and formed to be inclined; a connector main body having one surface in surface contact with the first coupling groove inserted with the fastening nut, having a second bolt coupling hole penetrating the connector main body and formed to be inclined to be matched with the first bolt coupling hole, and having coupling protrusions formed to protrude from both surfaces thereof and inserted into the first coupling groove and the second coupling groove respectively; and a fastening bolt thread-fastened to the second bolt coupling hole and the first bolt coupling hole which are matched with each other.

Description

Frame connector {FRAME CONNECTER}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a frame connector for interconnecting bar-shaped frame members so that the frame can be assembled.

In general, a prefabricated frame is widely used in which bar-shaped frame members are mutually assembled and connected to form a basic frame structure ranging from kitchen furniture such as a sink, table, shelf, and the like to laboratory equipment and semiconductor manufacturing facilities. The prefabricated frame is lightweight yet robust, easy to assemble and disassemble, and easy to deform in any form, thereby increasing its range of use.

 The prefabricated frame typically includes a frame-shaped connecting member for connecting the frame members to each other in addition to the bar-shaped frame member for constituting the frame structure. The rigidity of the frame and easiness of assembly or disassembly are determined according to the structure of the frame- , The structure of the frame connecting member is very important.

An example of a conventional frame connector is disclosed in Korean Utility Model Registration No. 20-0338314 (Registered on Mar. 12, 2004), in which a first frame member having a first coupling groove formed in a long length direction and a second frame member having a second coupling groove formed in a longitudinal direction A frame body having a block body and a first coupling block slidably coupled to the first coupling groove on one side of the block body are formed in the frame body, A connecting member having a second engaging block slidably coupled to the second engaging groove on the other surface thereof, a cover member fastened to the block body and having an edge thereof being in close contact with the first and second frame members, And a fastening bolt for fastening and fixing the cover member to the frame member.

However, in the case of the conventional frame connector having the above-described structure, the first engaging block of the block body is inserted into the first engaging groove of the first frame member and the second engaging block of the block body is inserted into the second engaging groove of the second frame member Since the cover member is connected to the block body and is fastened with the fastening bolt after the block member is inserted into the third coupling groove, there is a problem that assembly and disassembly are not easy, and a state in which the cover member protrudes between the first and second frame members connected to each other So that there is a problem that the aesthetic appearance is inhibited.

Disclosure of the Invention The present invention has been devised to solve the problems of the prior art described above, and it is an object of the present invention to provide a frame connection port that can be assembled and disassembled quickly and can be manufactured at the time of assembling the frame, Based on the above-mentioned problems.

The above-described object of the present invention is also achieved by a frame connector for connecting a first frame member having a first coupling groove formed in its longitudinal direction and a second frame member formed with a second coupling groove in a longitudinal direction at right angles, A first bolt coupling hole formed in the first bolt coupling hole of the first bolt coupling member and slidably formed in the first bolt coupling hole; And a coupling protrusion protruding from the first coupling groove of the first frame member and the second coupling groove of the second frame member are formed on both sides of the coupling bolt body, And a fastening bolt threadedly engaged with the second bolt coupling hole of the coupling body and the first bolt coupling hole of the coupling nut, It is achieved by providing the frame connector according to an embodiment of the invention that.

According to a preferred aspect of the present invention, the connector main body has an outer shape in cross section corresponding to the outer shape of the end face of the second frame member.

According to a preferred aspect of the present invention, the second bolt coupling hole of the connector body may be formed on only one side of the outer circumferential surface of the connector body, or two separate bolts may be formed on one side of the outer circumferential surface of the connector body, One on each side, or two on each side of the outer circumferential surface of the connector body.

According to a preferred aspect of the present invention, the coupling protrusions are formed on the both side surfaces of the coupling body, or two coupling protrusions are formed on both sides of the coupling body, or two coupling protrusions are formed on both sides of the coupling body.

According to a preferred aspect of the present invention, a seating step is formed in the second bolt coupling hole of the coupling body so that the head of the coupling bolt is seated and supported so that the coupling bolt does not protrude out of the coupling body.

According to a preferred aspect of the present invention, the coupling protrusion of the coupling body is integrally formed with the coupling body.

According to a preferred aspect of the present invention, the engaging projection is formed separately from the connector body, and the connector body includes a press-fitting groove for press-fitting the engaging projection.

According to the frame connector of the embodiment of the present invention, the inclined first bolt coupling hole of the coupling nut inserted into the first coupling groove of the first frame member and the inclined first bolt coupling hole of the first frame member of the first frame member, The first bolt connecting hole of the first frame member and the second engaging groove of the second frame member are screwed to the inclined second bolt connecting hole of the connecting body, The fastening bolt is completely inserted into the first coupling groove of the first frame member in a state where the fastening nut, the coupling body and the fastening bolt are loosely fastened, It is only necessary to fit the engaging projections formed on the second frame member into the second engaging grooves of the second frame member, It has an excellent effect that can easily be done in.

In addition, according to the frame connection port according to an embodiment of the present invention, since the first and second frame members are extended in the same straight line on the end side of the second frame member and do not protrude outward between the first and second frame members, There is an excellent effect that the frame having a neat and beautiful appearance can be assembled.

1 is a perspective view of one embodiment of a frame assembled by a frame connector according to an embodiment of the present invention;
2 is a perspective view of a frame connector according to an embodiment of the present invention;
3 is a cross-sectional view illustrating an assembled state of the first and second frame members by the frame connector according to an embodiment of the present invention.
FIGS. 4-7 are perspective views of various embodiments of the connector body in a frame connector according to an embodiment of the present invention. FIG.
FIG. 8 to FIG. 11 are exploded perspective views of various embodiments of the connector body according to the embodiment of the present invention, in which the connector protrusions are separated from each other. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. , And this does not mean that the technical idea and scope of the present invention are limited.

As shown in FIG. 1, a frame connector 1 according to an embodiment of the present invention includes a first frame member 5 having a first coupling groove 5a formed in its longitudinal direction on an outer circumferential surface thereof, 1 to 11 (a) to 11 (c), so that the first frame member 7a can be assembled into the frames 3 of various shapes through connection and fixing of a plurality of frame members by mutually connecting the second frame members 7 formed in the longitudinal direction at right angles. A fastening nut 10 which is fitted in a first engaging groove 5a of the first frame member 5 and in which a first bolt engaging hole 11 is slantingly formed and a fastening nut 10 A second bolt coupling hole 21 which is in contact with one side face to face with the first coupling groove 5a of the first frame member 5 and which is inclined so as to coincide with the first bolt coupling hole 11 is formed through, The first engagement groove 5a of the first frame member 5 and the second engagement groove 5b of the second frame member 7 The first bolt coupling hole 21 of the coupling main body 20 and the first bolt coupling hole 21 of the coupling nut 10 which are aligned with each other, And a fastening bolt (30) screwed to the bolt fastening hole (11).

The first frame member 5 and the second frame member 7 are formed in the shape of a metal bar having a square cross section or a rectangular cross section and a relatively long length, 5a or the second engaging groove 7a is formed by one or more than one.

The coupling nut 10 is tightened by the fastening bolts 30 to be described later so that the connector main body 20 is tightly coupled to the first frame member 5, A first bolt coupling hole 11 slidably movably fitted in the first bolt hole 5a and screwed to the end side of the fastening bolt 30 is formed in an inclined manner.

The fastening nut 10 has a nut body slidably fitted in the first engagement groove 5a of the first frame member 5 and a fastening nut 10 fastened to the first engagement groove 5a of the first frame member 5, The rotation preventing protrusion for supporting the nut 10 so as not to be rotated in the first engaging groove 5a of the first frame member 5 is integrally formed.

The connector main body 20 is in face-to-face contact with the first engaging groove 5a of the first frame member 5 in which the lock nut 10 is inserted. The connector main body 20 includes a first frame member 5, The first frame member 5 and the second frame member 7 are connected to each other at right angles so that one side faces one side of the first frame member 5 and the other side faces to one end of the second frame member 7, Sectional shape corresponding to the outer shape of the end surface of the second frame member 7 so that when the first frame member 5 and the second frame member 7 are connected to each other, As shown in Fig.

4 and 8, depending on the external shape of the cross section of the second frame member 7, the connection port body 20 may have a small external cross-sectional shape with a width-to-length ratio of 1: 1, 5, 6, 9, and 10, a cross-sectional outer shape of a rectangle having a width-to-length ratio of 1: 2 may be provided. As shown in FIGS. 7 and 11, 2: 2. ≪ / RTI >

A second bolt coupling hole 21 is formed in the connector main body 20 and the bolt coupling hole 21 is a screw hole to which a fastening bolt 30 to be described later is screwed, Is formed to be inclined at the same inclination angle as the first bolt coupling hole (11) of the fastening screw (10) so as to coincide with the first bolt coupling hole (11).

4 and 8, the second bolt coupling hole 21 is formed in the outer peripheral surface of the connector main body 20 in accordance with the shape of the connector main body 20 corresponding to the outer shape of the end surface of the second frame member 7, Only one of them may be formed on one side, or two may be formed on one side of the outer circumferential surface of the connector main body 20 as shown in Figs. 5 and 9, or may be formed as a part of the connector main body 20 Two on both sides of the outer circumferential surface, or two in total on the outer circumferential surface of the connector main body 20 as shown in Figs. 7 and 11, respectively.

The mounting bolt 30 is fastened to the fastening bolt 30 by forming the mounting step 21a in which the head 31 of the fastening bolt 30 is seated and supported in the second bolt fastening hole 21 of the fastening bolt main body 20, It is preferable that the fastening bolts 30 are formed so as not to protrude to the outside of the connector body 20.

A coupling protrusion 23 is formed on both sides of the connector main body 20 so as to protrude from the first coupling groove 5a of the first frame member 5 and the first coupling groove 5a of the second frame member 7 4 and 8, respectively, as shown in Figs. 4 and 8, to prevent relative rotation between the first frame member 5 and the second frame member as they are respectively fitted into the second coupling groove 7b, 20, or two on each side surface of the connector main body 20 as shown in Figs. 5, 6, 9, and 10, or two connectors may be formed on both side surfaces of the connector main body 20 as shown in Figs. 7 and 11 As shown in FIG. 5, four connecting holes may be formed on both sides of the connector main body 20.

4 to 7, the coupling protrusion 23 may be integrally formed with the coupling hole main body 20 at the time of manufacturing the coupling hole main body 20, And may be press-fitted into the press-fitting groove 25 formed in the main body 20 and formed in the fitting body 20.

In addition, the connector main body 20 may be made of various materials, but it is preferable that the connector main body 20 is injection-molded with a synthetic resin having high strength. It is preferable that the connector main body 20 includes a plurality of cavities in a reduced resource of material. It is preferable that a coupling groove communicating with the second coupling groove 7a of the second frame member 7 is formed on a surface of the hole 21 other than the surface through which both ends of the hole 21 are formed.

A fastening bolt 30 is screwed to the second bolt fastening hole 21 of the connector main body 20 and the first bolt fastening hole 11 of the fastening nut 10, The connecting head main body 20 is tightly fixed to the first frame member 5 by the fastening force by the combination of the fastening nuts 10 so that the head portion 31 of the connecting head main body 20 can be seated in the seating step 21a.

Therefore, in the case of the frame connector 1 according to the embodiment of the present invention, the inclined first bolt coupling hole (not shown) of the coupling nut 10 fitted in the first coupling groove 5a of the first frame member 5 11 and the inclined second bolt coupling hole 21 of the coupling body 20 whose one side is in contact with the first coupling groove 5a of the first frame member 5 in which the coupling nut 10 is fitted The first engaging groove 5a of the first frame member 5 and the second engaging groove 7a of the second frame member 7 are formed on both sides of the connecting hole body 20, The coupling protrusions 23 are inserted into the first frame member 20 in a state in which the coupling nut 10, the coupling port body 20 and the coupling bolts 30 are loosely coupled as shown in FIG. 2, The engaging projections 23 formed on the other side of the connector main body 20 are engaged with the second frame member 7 after the fastening bolts 30 are fully tightened with the engaging nuts 10 inserted into the first engaging grooves 5a of the connecting members 5, of It is possible to easily assemble and disassemble the frame 3 into various types of frames 3 by using the frame members.

In the case of the frame connector 1 according to the embodiment of the present invention, the first frame member 5 and the second frame member 5 extend in the same straight line on the end side of the second frame member 7, And the head portion 31 of the fastening bolt 30 is also located in the second bolt fastening hole 21 and does not protrude to the outside so that the frame 3 can be cleaned The frame 3 can be assembled.

1: Frame connector
3: Frame
5: first frame member
5a: first coupling groove
7: second frame member
7a: second coupling groove
10: Clamp nut
11: first bolt coupling hole
20: fastener body
21: second bolt coupling hole
21a:
23:
25: press-fit groove
30: fastening bolt
31: Head

Claims (7)

A first frame member having a first coupling groove formed in its longitudinal direction and a second frame member having a second coupling groove formed in a longitudinal direction,
A coupling nut inserted into the first coupling groove of the first frame member and having a first bolt coupling hole formed to be slanted;
A second bolt-fitting hole formed in a slanting manner so as to be in contact with the first bolt-fitting hole, one side of the first bolt-fitting hole being in contact with one side of the first coupling groove of the first frame member, A connecting port body protrudingly formed with a coupling protrusion that is fitted into the first coupling groove and the second coupling groove of the second frame member, respectively; And
And a fastening bolt threadedly engaged with the second bolt coupling hole of the coupling body and the first bolt coupling hole of the coupling nut. The method according to claim 1,
And the connector main body has an outer shape in cross section corresponding to the outer shape of the end face of the second frame member. The method according to claim 1,
The second bolt coupling hole of the connector body may be formed on only one side of the outer circumferential surface of the connector main body or may be formed on one side of the outer circumferential surface of the connector body or one on both sides of the outer circumferential surface of the connector body, And two frame connectors are formed on both sides of the outer circumferential surface of the connector main body. The method according to claim 1,
The coupling protrusions may be formed on the both side surfaces of the coupling body, or two coupling protrusions may be formed on both sides of the coupling body, or two coupling protrusions may be formed on both sides of the coupling body. The method according to claim 1,
Wherein a mounting step is formed in the second bolt coupling hole of the coupling body so that the head of the coupling bolt is seated and supported so that the coupling bolt does not protrude outside the coupling body. The method according to any one of claims 1 to 5,
And the coupling protrusion of the connector main body is formed integrally with the connector main body. The method according to any one of claims 1 to 5,
Wherein the coupling protrusion is formed separately from the coupling body, and the coupling body includes a press-fit groove for press-fitting the coupling protrusion.

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