KR101815189B1 - Assembled desk using dovetail - Google Patents

Abstract

The present invention relates to an assembled desk using a dovetail joint and, more specifically, relates to an assembled desk having an upper plate and a leg. The assembled desk comprises: a connection member fixated to a lower surface of the upper plate; and the leg coupled to the connection member with the dovetail joint. The dovetail joint is configured for an engraved mortise joint to be inserted into a mortise groove.

Description

{Assembled desk using dovetail}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prefabricated table, and more particularly, to a prefabricated table using thermal joints that are easy to assemble and install by improving the joining structure between a top plate and a leg of a table.

Generally, a table is composed of a top plate and a leg fixedly supported on the top plate, and is used as a conference table, a study desk, a computer desk, and the like.

Here, the table includes a top plate 1, a connecting hole 2 and a leg 3 as shown in FIG. 1, for example. Briefly, the connecting port 2 is fixed to the lower surface of the upper plate 1 with a screw 4, and the leg 3 is fitted in the connecting port 2. [

However, in such a coupling structure, the connector 2 is directly fastened to the lower surface of the upper plate 1 with the screws 4, and the legs 3 are inserted into the connector 2. Therefore, when the table is moved or an external shock is applied, There is a weak point that the fastening portion of the screw 1 and the screw 4 may be broken.

Korean Utility Model Publication No. 20-2000-0018239 (published October 16, 2000) Korean Patent No. 10-1503689 (Announcement of Mar. 19, 2015) Korean Utility Model Registration No. 20-0299575 (published on December 31, 2002)

It is an object of the present invention, which is devised to overcome the above-described weakness, to provide an apparatus and a method for preventing the aforementioned weakness, which comprises a recessed groove formed by being fastened to a lower surface of a table with a connecting member and opposed to one side of one side of the connecting member, Which are joined together by mutual thermal bonding, so that they can be combined with a simple but strong fastening force.

It is an object of the present invention to provide a prefabricated table which can be combined using a pair of ledge grooves of a connecting member, as a wooden, especially a wooden table.

In order to achieve the above object, the present invention provides a prefabricated table using thermal joints, comprising: a connecting member fixed to a lower surface of a top plate of a prefabricated table having a top plate and a leg; And a leg which is joined to the connecting member by heat welding, and the heat sealing is performed such that the engaging protrusion formed in the recess is inserted into the recessed groove.

Here, the connecting member has formed recessed grooves formed on both side surfaces opposite to each other on the bottom.

Further, the legs have upper end portions and end portions formed to protrude toward the center with respect to the center in the plane, and fitting grooves formed by machining the end portions.

Thus, the hooks are fitted into the recess grooves, and a part of the coupling member is fitted into the fitting groove, and the coupling member is coupled across the upper surface of the leg.

On the other hand, the upper plate has a coupling groove formed at a portion where the coupling member is fixed to a lower surface thereof, and a coupling member having a coupling member having a plate-like shape and a first coupling hole fixed to the coupling groove.

Further, the bolt passing through the connecting member is fastened to the first fastening hole of the fastening member, so that the connecting member is fixed to the upper plate with an adhesive force as much as the planar area of the fastening member to prevent twisting of the upper plate.

The coupling groove has a first coupling groove formed to receive the coupling member for the first time and a second coupling groove formed so that the coupling member accommodated in the first coupling groove moves to one side to be fitted and fixed.

In addition, the second engaging groove is formed by a lower space formed to fit and fix the engaging member, an upper space formed so that the first fastening hole of the engaging member is exposed to the outside with narrower width than the lower space on the side, And a supporting jaw which is formed by a difference in the width of the space and supports the coupling member fixed to the lower space.

As described above, according to the present invention, since the top end side portion of the leg is fitted to the connecting member and the heat welding is performed, it is possible to maximize the connecting force between the leg and the connecting portion of the connecting member and the top plate, have. In particular, it can be used as a table made of wood or a wooden material, and can be combined using a pair of recessed grooves of the connecting member to maximize the bonding force.

As described above, according to the present invention, the coupling groove is formed in the lower surface of the upper plate, the coupling member is fixed to the coupling groove, and the bolt passing through the coupling member is fastened to the coupling member, It is possible to prevent breakage of the fastening portion between the upper plate and the bolt when the table is removed or an external impact is applied by eliminating the direct fastening of the upper plate 100 through the bolt.

At this time, since the periphery of the engaging groove and the supporting jaw firmly support the engaging member, the concentrated external force applied to the engaging member after engaging can be sufficiently dispersed, and in particular, the twisting can be supported as much as possible.

When the engaging member is a plate-like nut, the engaging member is held by the supporting jaw while being tightly fitted and fixed in the second engaging groove. When the engaging member is fastened to the bolt, the adhesion force between the upper plate and the connecting member is increased The joining member inside the upper plate and the joining member on the outside are brought into close contact with each other to minimize the twisting of the upper plate due to humidity, temperature, external force, and the like.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, Should not be interpreted.
1 is an exploded view schematically showing a joining structure of a conventional prefabricated table.
FIG. 2 is a bottom perspective view schematically showing a prefabricated table using thermal joints according to a preferred embodiment of the present invention. FIG.
Fig. 3 is a bottom view of the top plate showing the coupling means for fastening the connecting member of Fig. 2; Fig.
Figure 4 is an enlarged view of the coupling means of Figure 3;
Fig. 5 is a cross-sectional view taken along the line AA of Fig. 4, schematically showing the mounting structure of the engaging groove and engaging member.
6 is a sectional view taken along line BB of Fig.
FIG. 7 is a bottom perspective view showing a tongue groove in the connecting member shown in FIG. 2. FIG.
8 is a bottom view of Fig.
Fig. 9 is a perspective view showing the legs of the connecting member of Fig.
10 is a plan view of Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the detailed description of known functions and configurations incorporated herein will be omitted when it may unnecessarily obscure the subject matter of the present invention.

<Configuration>

As shown in FIG. 1, the assembled table using thermal joints according to the preferred embodiment of the present invention includes an upper plate 100, a connecting member 200, and a leg 300.

2 to 5, the top plate 100 is provided with coupling means 110 for coupling with the coupling member 200. As shown in FIG. The engaging means 110 is formed at a position where the connecting member 200 is fixed to the lower surface of the upper plate 100 and can be molded into one or two or more positions, preferably three positions. The coupling means 110 includes a coupling groove formed in the bottom surface of the upper plate 100 and a coupling member 111 fixedly inserted into the coupling groove.

Here, as shown in FIGS. 4 to 6, the coupling groove includes a first coupling groove 113 and a second coupling groove 114. The coupling groove may be formed into a rectangular groove so that the coupling member 111 is tightly fitted upward.

The first coupling groove 113 is a groove formed to fit the coupling member 111 into the second coupling groove 114. To this end, the first engagement groove 113 has the same or similar size as the planar engagement member 111 and has a depth deeper than the height of the engagement member 111 on the side surface.

The second engaging groove 114 is formed such that the engaging member 111 introduced through the first engaging groove 113 is inserted and fixed firmly as it moves toward one side. 5 and 6, the second coupling groove 114 is extended to one side to communicate with the first coupling groove 113, and the first coupling hole 112 is approximately " Is formed into a "shape &quot; Thus, the second engagement groove 114 has the lower space 115, the upper space 116, and the support rib 117.

Here, the lower space 115 of the second coupling groove 114 is a portion to which the coupling member 111 is fitted, and is the same or similar size as the coupling member 111 in plan view as shown in FIG. 4, And the size of the member 111 is constrained. The bottom surface of the second coupling groove 114 may be formed to extend from the bottom surface of the first coupling groove 113 and the height of the side surface of the second coupling groove 114 may be substantially the same as that of the first coupling groove 113 And the fitting member 111 is tightly fitted while being lower.

The upper space 116 of the second coupling groove 114 may be formed to have a width such that the first coupling hole 112 of the coupling member 111 is exposed to the outside. The upper space 116 may be narrower than the width of the lower space 115 on the side surface and may be formed in the central portion of the lower space 115 substantially in a plan view. Accordingly, when the lower space 115 and the upper space 116 are formed, a support protrusion 117 is provided.

The support tab 117 of the second coupling groove 114 can firmly support the coupling member 111 fixed to the lower space 115, particularly from the twisting, while dispersing an external force that can be intensively provided. The support jaw 117 is in the form of a protruding jaw provided in contact with the lower space 115 to process the upper space 116 and can support the edge of the coupling member 111 fixedly fitted to the lower space 115 . The support tab 117 is formed in a state in which the bolt passing through the coupling member 200 is engaged with the first coupling hole 112 of the coupling member 111 for coupling the coupling member 200 and the upper plate 100 , It is possible to provide a vertical supporting force and a twisting supporting force of the connecting member 200 to which a vertical or lateral external force is applied.

The coupling member 111 is a member that is firmly fitted in the second coupling groove 114 through the first coupling groove 113 and is fastened to the coupling member 200. The coupling member 111 may be a nut having a first coupling hole 112 for coupling with the bolt. The joining member 111 may be a generally planar pentagonal or hexagonal nut, preferably a plate-shaped, square nut that fits tightly into the second coupling groove 114. The square nut is positioned inside the upper plate 100 to effectively prevent twisting of the upper plate 100 due to temperature, humidity, and external force. The wider the planar area of the nut, the greater the effect will be. In addition, the engaging member 111 may have a plate shape and may be directly fastened to the lower surface of the upper plate 100 through a screw or the like.

The coupling means configured as described above can prevent the coupling portion 200 and the top plate 100 from being directly coupled with each other through bolts, thereby preventing breakage of the fastening portions of the top plate 100 and the bolt when an external impact is applied . The engaging member 111 is coupled to the second engaging groove 114 and then the engaging member 111 and the bolt are engaged with each other. So that the twisting that can be applied to the coupling member 111 can be supported as much as possible.

On the other hand, the connecting member 200 is a mediating member for coupling the upper plate 100 and the leg 300. 2, 7 and 8, the connecting member 200 may be in the shape of a rod which is fixed to one side of the bottom surface of the top plate 100. Of course, the connecting member 200 may be formed to have a short length which can be individually fixed only to the joint portions of the upper plate 100 and the legs 300. The connecting member 200 is formed on both sides of the longitudinal direction with a recessed groove 210 processed for heat welding with the leg 300 and a first fastening hole 210 of the fastening member 111 for fastening the upper plate 100. [ (112) and a second fastening hole (220) machined to be positioned on an extension line.

The tongue groove 210 is machined on both sides on the bottom surface. This is to maximize the coupling force between the connecting member 200 and the leg 300 by allowing the upper end portion of the leg 300 to be fitted into the connecting member 200 to perform thermal welding. 8, the width of the inside portion may be larger than the width of the outside portion, or may be a rectangular shape. The tongue groove 210 may have a shape in which the width of the inside portion is shorter than the width of the outside portion.

The second fastening hole 220 is formed so as to be positioned on the extension line with the first fastening hole 112 in a state where the fastening member 111 is fixed to the second fastening groove 114. The second fastening hole 220 may be formed at one or more positions together with the first fastening hole 112 and may be formed at three positions, that is, both side portions and a central portion of the connecting member 200 with respect to the longitudinal direction . A bolt passing through the second fastening hole 220 and the first fastening hole 112 thus formed can be fastened to the fastening member 111.

9 and 10, the leg 300 is a member for supporting the upper plate 100 by being fastened to the connecting member 200 at the upper end portion. To this end, the leg 300 has an elongated hole 310 and a fitting groove 320 at an upper end portion thereof.

The long dowel 310 is formed so as to protrude toward the center while being machined on both sides around the center in the plan view so as to be fitted in the formed groove groove 210 on both sides of the connecting member 200. At this time, the dowel 310 may have a rhombic shape whose width on the planar central side is longer than the width on the opposite side.

The fitting groove 320 is a groove formed while processing the dug tip 310. Accordingly, as shown in FIG. 2, when the elongated hole 310 is inserted into the recessed groove 210, the upper end portion of the leg 300 encloses the connecting member 200. This further increases the coupling force between the legs 300 and the connecting member 200, and maximizes the supporting force in the lateral direction.

On the other hand, the long joint 310 may be formed in a convex shape or may be formed in an obtuse angle, and the connecting member 200 is inserted across the upper surface of the leg 300 when the concave shape is engraved. More specifically, the tongue groove 210 is formed into a polygonal shape including a substantially circular, triangular, or square shape at the central portion of the bottom-surface connecting member 200, and the dug tip 310 at the upper- And can be machined into a concave shape corresponding to the recessed groove 210, which is the upper center portion. When the dowel 310 is inserted into the groove 210 at the time of forming the dowel 310, the connecting member 200 is inserted across the upper surface of the dowel 300, As shown in FIG.

<Assembly>

Hereinafter, an embodiment of a process for assembling a prefabricated table using thermal joint according to the present invention will be described.

First, a coupling groove is formed on the lower surface of the upper plate 100. The engaging groove is formed so as to have at least one first engaging groove 113, a second engaging groove 114 and a supporting tab 117 on a lower surface of the upper plate 100 and at a position where the connecting member 200 is attached. . More specifically, the leg 300 may be formed at two places of the portion for supporting the upper plate 100, and furthermore, at least three places may be formed for strengthening the fastening force of the upper plate 100 and the connecting member 200 .

Next, after the engaging member 111 is inserted into the first engaging groove 113, the engaging member 111 is pushed into the second engaging groove 114 and fixed. More specifically, as shown in FIG. 5, the engaging member 111 may be inserted into the first engaging groove 113 and fitted into the second engaging groove 114 to be firmly fixed. At this time, the first coupling hole 112 of the coupling member 111 is exposed to the outside through the upper space 116 of the second coupling groove 114.

Next, the concave groove 210 and the second fastening hole 220 are formed in the connecting member 200. At this time, the tongue groove 210 is machined on one side and opposite sides of the connecting member 200. The second fastening hole 220 is formed on the extension line of the first fastening hole 112 of the fastening member 111 so as to penetrate the connecting member 200 at one or more places.

Next, the upper plate 100 and the connecting member 200 are fastened. The coupling member 111 fixed to the second coupling groove 114 of the lower surface of the upper plate 100 and the coupling member 200 are bolted together. At this time, the bolt passes through the second fastening hole 220 of the connecting member 200 and is fastened to the first fastening hole 112 of the fastening member 111.

Finally, the leg 300 is engaged with the connecting member 200. The elongated hole 310 formed in the upper end portion of the leg 300 is fitted to the formed groove 210 formed in the connecting member 200. At this time, since the connecting member 200 is received in the fitting groove 320 of the leg 300, the upper end portion of the leg 300 is coupled to surround the connecting member 200. The legs 300 and the connecting member 200 may be combined or disassembled with the upper plate 100 by unifying them by bonding them with a bond or the like and releasing the bolts and the like.

As described above, the coupling member 111 fixed to the second coupling groove 114 of the lower surface of the upper plate 100 is bolted to the coupling member 200, and the leg 300 is coupled to the coupling member 200 The leg 300 is assembled so as to enclose the connecting member 200 so that the engaging member 111, the second engaging groove 114, and the supporting jaws (not shown) are pressed against the external force applied to the table in the vertical, horizontal, 117 and the assembling structure of the leg 300 and the connecting member 200 for covering and wrapping heat.

Preferably, the prefabricated table of the present invention is preferably used in the case of wooden materials, especially wooden materials, but it is also possible to use the techniques even when they are not wood.

As described above, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the appended claims, rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and equivalents of the claims are to be construed as being included within the scope of the present invention do.

100: top plate
110: engaging means
111:
112: first fastening hole
113: first coupling groove
114 second coupling groove
115: Lower space
116: Upper space
117: Support jaw
200: connecting member
210: Book Home
220: second fastening hole
300: Bridge
310:
320: Fitting groove.

Claims (4)

In the prefabricated table having the top plate 100 and the legs 300,
A connection member 200 fixed to a lower surface of the upper plate 100;
And a leg (300) coupled to the connecting member (200) by heat welding,
The thermal joint is to fit into the recessed groove in the recessed portion formed by the recessed shape,
The connecting member 200 has recessed grooves 210 formed on opposite side surfaces on the lower surface thereof,
The legs 300 have upper ends and protrusions 310 formed to protrude toward the center centering on the center of the upper surface of the legs 300 and fitting grooves 320 formed by machining the end fittings 310,
And the connecting member 200 is coupled to the upper surface of the leg 300 by being inserted into the fitting groove 320 and a part of the connecting member 200 is inserted into the fitting groove 320 A prefabricated table using a thermal joint.
delete The method of claim 1,
The upper plate 100 is provided with a coupling groove formed at a position where the coupling member 200 is fixed to the lower surface and a coupling member 111 having a plate-like first coupling hole 112 fixed to the coupling groove A coupling means (110)
A bolt passing through the connecting member 200 is fastened to the first fastening hole 112 of the fastening member 111 and the fastening member 200 is fastened to the upper plate 100 with an adhesive force as much as the planar area of the fastening member 111, Is fixed to prevent twisting of the upper plate (100).
4. The method of claim 3,
The coupling groove includes a first coupling groove 113 formed to receive the coupling member 111 for the first time and a coupling member 111 accommodated in the first coupling groove 113, And a second coupling groove 114,
The second engaging groove 114 is formed to have a lower space 115 that is formed so that the engaging member 111 is fitted and fixed so that the first engaging hole 112 of the engaging member 111 is narrower than the lower side space 115 The upper space 116 is formed to be exposed to the outside and the lower space 115 and the upper space 116 are formed with a difference in width between the lower space 115 and the upper space 116, (117). &Lt; RTI ID = 0.0 &gt; 11. &lt; / RTI &gt;

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