KR101440034B1

KR101440034B1 - Furniture underframe

Info

Publication number: KR101440034B1
Application number: KR1020130161040A
Authority: KR
Inventors: 이정원
Original assignee: (주)캠퍼스라인
Priority date: 2013-12-23
Filing date: 2013-12-23
Publication date: 2014-09-17

Abstract

The furniture lower frame of the present invention includes: a post vertically installed at the four corners of the furniture lower frame; A vertical bar having an upper groove 1 and a lower groove 1 connected to the posts; And a joining bracket coupled to the vertical bar and coupled with the bar, wherein the joining bracket is fixed close to the post, And the length of the male fastening hole for coupling and fixing the post and the engagement bracket is shortened.
The furniture lower brace of the present invention is characterized in that a joining bracket is inserted into each of the inner middle portion of the vertical bar and the inner middle portion of the cross bar and the joining bracket and the post are fastened with a fastener at a short distance, The bolt can be assembled with ease, and it is possible to assemble not only the vertical load, but also the horizontal direction (horizontal direction) And vertical direction) load and a warping load.

Description

Furniture underframe

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a furniture lower frame, and more particularly to a corner structure of a lower frame such as a bed, a table, a table, a desk and the like.

Background Art [0002] A bed frame of the related art relates to a bed frame capable of maintaining a rigid coupling state even when an unnecessary reinforcement member is eliminated. Figure 9 is a prior art diagram. 9, the prior art includes a post 11 vertically installed at the four corners of the bed, a bed frame 12 comprising a frame body including a cross bar 13 connecting the posts and a vertical bar 14, , Wherein a fixing bundle (20), which is coupled to an opposing face of the opposed posts and has a coupling face orthogonal to each other so that the ends of the cross bar and the vertical base are in close contact with each other and chambers are formed at corners connecting the coupling faces ); An inclined bracket (30) connecting the cross bar and the end of the vertical bar, which are in close contact with the engaging surface of the fixed bar in parallel with the chamfer, to each other; And a fastener (40) screwed into the fastening hole formed in the chamfer through the slant bracket.

The present invention can securely maintain the state of engagement between the post and the frame body even if the reinforcing member for connecting the post and the frame body is excluded, There is an advantage that it can be maintained. In addition, it is possible not only to reduce the manufacturing cost of the bed frame by completely eliminating the unnecessary members, but also to reduce the assembly time of the bed frame and to perform the assembly process very easily , There is a problem that the cross bar and the vertical bar are weakly coupled to the post, and the length of the bolt as the fastening means is too long, so that the work process is difficult and the assemblability is poor.

Korean Patent No. 10-1228981

In order to solve the problems of the conventional art as described above, the present invention is characterized in that a coupling bracket is inserted into and coupled to an inner middle portion of a vertical base and an inner intermediate portion of a cross base, The cross bar and the vertical bar are joined to the posts to maintain a strong binding force by welding the bracket to the joining portions of the vertical bar and the cross bar, and the assembling distance of the fastener (bolt) is shortened, And to provide a structure of a lower frame of a furniture which increases a bonding force capable of withstanding a load in a horizontal direction (a horizontal direction and a vertical direction) and a warping load.

A folding frame of the present invention for solving the problems of the related art includes: a post vertically installed at four corners of a furniture lower frame; A vertical bar having an upper groove 1 and a lower groove 1 connected to the posts; A cross bar having an upper groove 2 and a lower groove 2 connected to the posts; And a coupling bracket coupled to the vertical bar and coupled to the cross bar,

And the length of the male fastening holes 1 and 2 for fastening the post and the engagement bracket to each other is shortened by fixing the engagement bracket close to the post. An upper right projecting portion, a lower left projecting portion, and a lower right projecting portion. The upper left projecting portion and the lower left projecting portion of the coupling bracket are respectively inserted and coupled to the upper groove 1 and the lower groove 1 of the vertical base. The upper right protrusion and the lower right protrusion of the coupling bracket are respectively inserted and coupled to the upper groove 2 and the lower groove 2. The coupling bracket is fixedly coupled to the upper groove 1 and the lower groove 1 of the vertical base, The engaging bracket is fixed near the posts by engaging and fixing the engaging bracket with the upper groove 2 and the lower groove 2 of the cross bar. The male fastening holes 1 and 2 are fastened to the female body fastening holes 1 and 2 through the fastening grooves 1 and 2, so that the fastening bracket is fixed to the post.

The upper left protruding portion and the lower left protruding portion of the coupling bracket are respectively coupled to the upper groove 1 and the lower groove 1 of the vertical base, and their respective coupling portions are welded. The upper right protruding portion and the lower right protruding portion of the coupling bracket are coupled to the upper groove 2 and the lower groove 2 of the cross bar, respectively, and their respective coupling portions are welded together. The post insertion protrusion is inserted into the post insertion hole of the post When assembled, the assembled crossbar and the vertical bar are assembled to the post, thereby improving the assembling property.

In the conventional technique, there is a problem that the cross bar and the vertical bar are weakly coupled to the post, and the length of the bolt as the fastening means is too long, so that the work process is difficult and the assemblability is poor. In order to solve the problems of the related art, the furniture lower brace of the present invention is characterized in that the joining brackets are inserted into and joined to the inner middle portion of the vertical stand and the inner middle portion of the cross bar, The joint between the joining bracket and the joining parts of the vertical bar and the cross bar is welded to the post so that the cross bar and the vertical bar are joined to the post to maintain a strong joining force and the assembly distance of the bolt is shortened, And it is an object of the present invention to provide a lower frame structure for a furniture which has an effect of increasing not only a vertical load but also a horizontal and vertical load and a coupling force capable of withstanding a twisting load.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
2 is a perspective view of a furniture lower frame according to the present invention.
3 is an exploded view of a furniture underframe according to the present invention.
Fig. 4 is a half-assembled view of the furniture lower frame according to the present invention. Fig.
Fig. 5 is an assembled view of the furniture lower frame according to the present invention. Fig.
6 is a rear view (main part) of the furniture lower frame according to the present invention.
7 is a post view of a furniture lower frame according to the present invention.
8 is a top view of an assembled furniture underframe according to the present invention.
Figure 9 is a prior art diagram.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner structure of a lower frame of a furniture used for a bed, a table, a table, a desk, and the like. In order to solve the problem that the length of the bolt is too long to make the work process difficult and the assemblability is poor. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

FIG. 1 shows the entire structure of a lower frame of a furniture. The present invention relates to an assembly 'A' in which the vertical base 20 and the horizontal base 30 are joined to the posts 10 (columns).

2 is a perspective view of a furniture lower frame according to the present invention.

In the present invention, a coupling bracket (50) having a vertical pole (20) and a cross pole (30) coupled to a post (10) is connected to male fasteners 1 and 2 (41, 41 ' And upper and lower portions of the coupling bracket are welded to the vertical pole 20 and the cross pole 30 by welding.

3 is an exploded view of a furniture underframe according to the present invention.

The furniture lower frame of the present invention comprises a post 10 vertically installed at four corners of a furniture lower frame, a vertical frame 20 having an upper groove 1 22 connected to the post and a lower groove 1 23, A joining bracket 50 coupled to the vertical bar 20 and coupled with the cross bar 30 and having a top groove 2 24 and a bottom groove 2 25 connected to the post; / RTI >

The length of the male fastening hole 41 for fastening the post 10 and the engagement bracket 50 to each other is shortened by fixing the engagement bracket 50 close to the post 10 . The engaging bracket 50 has an upper left projecting portion 52, an upper right projecting portion 53, a lower left projecting portion 54, and a lower right projecting portion 55. Further, the engaging brackets 50 are formed with engaging grooves 1, 2 (56, 57). The slopes 1, 2 (26, 27) of the vertical pole (20) and the cross pole (30) become the surfaces in contact with the pole (10)

4 (a) is a half-assembled view (recess) of a furniture lower frame according to the present invention. FIG. 4 (b) is a structural view of a coupling bracket 50. FIG.
4, an upper groove 1 22 and a lower groove 1 23 are provided on upper and lower surfaces of a portion connected to the post 10 in the vertical column 20, An upper groove 2 (24) and a lower groove 2 (25) are respectively provided on the top and bottom surfaces of the portion connected to the post (10).
Particularly, the vertical grooves 20 and the cross grooves 30 are formed in the upper grooves 22 and the upper grooves 24 and the lower grooves 23 and the lower grooves 25 of the vertical column 20 and the cross bar 30 And are open to the side facing each other so as to communicate with each other when they are combined.
The coupling bracket 50 is plate-shaped and has an upper left projecting part 52 and a lower right projecting part 52 coupled to the upper groove 1 22 and the upper groove 2 24 of the vertical pole 20 and the cross bar 30, And a lower left protruding portion 54 and a lower right protruding portion 55 which are coupled to the lower groove 1 23 and the lower groove 2 25 of the vertical pole 20 and the cross bar 30, And coupling holes 56 and 57 through which male fasteners 41 and 41 ', which are engaged with the posts, pass through.
An inner surface of a portion of the vertical pole 20 and the pole 30 connected to the post 10 is cut so that when the pole bracket 50 and the vertical pole 20 are joined to the pole 30, 41 'through the space formed by the incised portion 120 formed on the inner surface of the cross bar 30 and the incised portion 130 formed on the inner surface of the cross bar 30 to the fastening holes 56, 57' ). &Lt; / RTI >
The male fastening holes 41 and 41 'are inserted into the fastening holes 56 and 57 through the space formed by the cut portions as described above, The lengths of 1,2 and 41, 41 'can be shortened.

The upper left projecting portion 52 and the lower left projecting portion 54 of the engaging bracket 50 are inserted into the upper groove 1 22 and the lower groove 1 23 of the vertical bar 20, respectively. The upper right protruding portion 53 and the lower right protruding portion 55 of the engaging bracket are inserted and coupled to the upper groove 2 24 and the lower groove 2 25 of the cross bar 30, respectively.
Here, in the engaging bracket 50, the widths of the upper left projecting portion 52 and the upper right projecting portion 53 are smaller than the widths of the lower left projecting portion 54 and the lower right projecting portion 55.

Fig. 5 is an assembled view of the furniture lower frame according to the present invention. Fig.

The upper (undisplayed) and lower (W) portions into which the coupling bracket 50 and the vertical base 20 are inserted are welded. The upper (undisplayed) and lower (W portions) where the coupling bracket 50 and the cross bar 30 are inserted and joined are welded.

The upper left projecting portion 52 and the lower left projecting portion 54 of the engaging bracket 50 are respectively engaged with the upper groove 1 22 and the lower groove 1 23 of the vertical bar 20, Welded. The upper right projection 53 and the lower right projection 55 of the coupling bracket are coupled to the upper groove 2 24 and the lower groove 2 25 of the cross bar 30, .

6 is a rear view (main part) of the furniture lower frame according to the present invention. 7 is a post view of a furniture lower frame according to the present invention.

6 is a rear view of the vertical bar 20 and the cross bar 30, and the post insertion protrusions 29 and 29 'are formed in a region indicated by a dotted line' B 'at the bottom. A post insertion hole 16 is formed in a lower portion of the post 10 in Fig. The post insertion hole 16 of the post 10 is inserted into the post insertion hole 16 before the male fasteners 1 and 2 (41 and 41 ') are fastened to the female body fasteners 1 and 2 (42 and 42' It is possible to improve the assembling property when the assembled cross bar 20 and the vertical bar 30 are assembled to the post 10 by inserting the insertion projections 29 and 29 '. In addition, by inserting the post insertion protrusions 29 and 29 'into the post insertion hole 16, it is advantageous to effectively support the loads applied to the cross bar 20 and the vertical bar 30.

8 is a top view of an assembled furniture underframe according to the present invention.

The joining bracket 50 is fixedly coupled to the upper groove 1 and the lower groove 1 of the vertical bar 20 and the joining bracket 50 is coupled to the upper groove 2 of the cross bar 30, 2, the engaging bracket 50 is fixed to the post 10 in the vicinity thereof. The engagement brackets 50 are fastened to the posts 10 by fastening the male fasteners 1 and 2 (41 and 41 ') to the female body fasteners 1 and 2 (42 and 42') through the fastening recesses 1 and 2 (56 and 57) .

As described above, the furniture lower brace of the present invention is constructed such that the joining brackets are respectively inserted into and joined to the inner middle portion of the vertical bar and the inner middle portion of the cross bar, and the joining bracket and the post are fastened to each other with a fastener at a short distance. And the vertical joints and the vertical joints are welded to each other to weld the joining parts of the vertical joints and the crosspiece joints to each other to maintain a strong coupling force. It has the effect of increasing the bonding force capable of withstanding the load (lateral and longitudinal) and the warping load.

The above description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present patent. In addition, the embodiments disclosed in this patent are intended to illustrate rather than limit the technical idea of the present patent, and the scope of the technical idea of the present patent is not limited by these embodiments. Therefore, the scope of protection of the present patent shall be construed according to the following claims, and all technical ideas within the scope of equivalents should be interpreted as being included in the scope of the present patent.

10: post (column) 12,14: post hole 1,2
16: post insertion hole 20: vertical pole
22: upper hole 1 23: lower hole 1
24: upper hole 2 25: lower hole 2
26, 27: inclined surfaces 1,2 28:
29, 29 ': Post insertion projection 30:
41,41 ': male fastening 1,2 42,42': female body fastening 1,2
50: Coupling bracket
52, 53: Upper left protrusion, Upper right protrusion
54, 55: Lower left protrusion, Lower right protrusion
56,57: fastening holes 1,2

Claims

A furniture lower frame having a horizontal bracket (50) for engaging a vertical pole (20) and a cross pole (30) in a horizontal post (10)
An upper groove 1 (22) and a lower groove 1 (23) are respectively formed on the upper surface and the lower surface of the portion connected to the post (10) in the vertical column (20)
An upper groove 2 (24) and a lower groove 2 (25) are respectively provided on upper and lower surfaces of a portion of the cross bar (30) connected to the post (10)
The vertical grooves 20 and the upper grooves 22 and the upper grooves 24 and the lower grooves 23 and the lower grooves 25 of the cross bar 30 are connected to the vertical bar 20 and the cross bars 30, (30) are coupled with each other so as to communicate with each other,
The inner surface of a portion connected to the post 10 is cut away from the vertical pole 20 and the cross pole 30,
The coupling bracket 50 is plate-shaped and has an upper left projecting part 52 and a lower right projecting part 52 coupled to the upper groove 1 22 and the upper groove 2 24 of the vertical pole 20 and the cross bar 30, And a lower left protruding portion 54 and a lower right protruding portion 55 which are coupled to the lower groove 1 23 and the lower groove 2 25 of the vertical pole 20 and the cross bar 30, And fastening holes 56 and 57 through which male fasteners 41 and 41 ', which are engaged with the posts, are formed, are formed at the center portion.
The male fastening holes 41 and 41 'are formed in the fastening holes 56 and 57 through a space defined by the engaging bracket 50 and the incised portion of the cross bar 30 when the vertical bar 20 and the cross bar 30 are coupled. Of the lower frame.

The method according to claim 1,
Wherein the width of the upper left projecting part 52 and the upper right projecting part 53 of the engaging bracket 50 is smaller than the width of the lower left projecting part 54 and the lower right projecting part 55. [

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