KR101998307B1 - Combining apparatus for furniture and furniture having thereof - Google Patents

Abstract

The present invention relates to a coupling device for assembling furniture. The purpose of the present invention is to provide the coupling device for assembling furniture, which has an improved structure so that furniture is easily assembled/disassembled. The coupling device for assembling furniture also has a reinforced connection force of a vertical panel and a horizontal panel and can control connection strength of the vertical panel and the horizontal panel. According to the present invention, a fixing unit is fixed to one side of the horizontal panel, and a clamping unit is inserted into a clamping hole formed in the vertical panel. The fixing unit is inserted into a coupling hole of the vertical panel formed to be connected to the clamping hole. So, the fixing unit is linearly moved in the coupling hole by rotation of the clamping unit, and the vertical panel and the horizontal panel are connected. The clamping unit includes: an upper cap including a bolt clamping groove at the center of the outer surface and having multiple clamping protrusions including an arc shape on the inner surface; a lower cap installed to be spaced at fixed intervals from the upper cap and having the multiple clamping protrusions including the arch shape on the inner surface facing each other; and a center rotation shaft in which both ends are individually and integrally connected to the center of the upper cap/lower cap. The fixing unit includes: a coupling main body inserted into the coupling hole of the vertical panel and fixed to the horizontal panel, wherein the coupling main body has multiple guide rails protruding from both sides in the arc shape; a first protrusion and a second protrusion, protruding from the coupling main body; and a guide groove formed between the first protrusion and the second protrusion, wherein the center rotation shaft of the clamping unit is inserted into the guide groove.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastening apparatus for furniture,

The present invention relates to a fastening device for furniture assembly and a furniture using the fastening device, and more particularly, to a furniture assembly for easily assembling and disassembling furniture by adjusting a coupling strength between orthogonal panels by a stepwise linear movement of a fastener And a furniture using the same.

Generally, furniture is formed by a combination of a horizontal panel and a vertical panel, and the horizontal panel and the vertical panel are connected by bolts and nuts, screws, fixed hardware, etc. However, In order to compensate for the disadvantages of such a conventional coupling member, a Minifix fastening apparatus which is easily assembled and invisible on the surface of the furniture during assembly is widely used have.

The mini-fix type fastening device is mainly used for making furniture which can be disassembled and assembled, and is mainly used when a double-deck bed leg connection or a furniture wood is firmly assembled to each other. A fastening ring having a fork portion and a connecting bolt The head portion is inserted and supported to generate a coupling force.

That is, in the conventional mini-fix type fastening apparatus, the head portion of the connecting bolt is inserted through the opened portion of the fork portion, and one side of the fork portion is contacted with the head portion by rotation of the fastening ring so that the fastening ring and the connecting bolt are engaged And one side panel provided with a fastening ring and another panel provided with a connection bolt are coupled to each other.

However, in the conventional mini-fix type fastening apparatus for assembling furniture as described above, the head portion of the connecting bolt is simply hooked to the fork portion of the fastening ring, so that a slight error in the hole machining of the panel in which the fastening ring and the connecting bolt are installed A clearance phenomenon occurs between the fastening ring and the connecting bolt, thereby causing a problem that the coupling force between the panels is lowered.

Further, the fastening ring must be rotated completely so that the head portion of the connecting bolt is firmly supported by the fork portion. However, it is difficult to accurately grasp the degree of rotation of the fastening ring, and the head portion of the connecting bolt is caught by the fork portion of the fastening ring , The contact area between the fork part and the head part is so small that the fastening ring is rotated in the reverse direction after the external impact or the long time of use so that the head part of the connecting bolt is separated from the fork part of the fastening ring, There has been a problem that the panel is separated.

That is, when the operator assembling the furniture or the user using the installed furniture does not know that the connecting bolt is located at the open part of the fastening ring and adjusts the position of the furniture by lifting the horizontal panel or the vertical panel of the furniture, There is a problem that the worker or the user's body is damaged.

Particularly, in the conventional mini-fix type fastening apparatus, the amount of rotation of the fastening ring can not be adjusted, and the amount of rotation of the fastening ring is different according to the skill level of the operator. There is a problem in that the panels themselves do not bond with each other due to the difference in the degree of turning, and the panels themselves are not bonded with a certain fixing force.

Patent Registration No. 10-1649687 (Aug. 20, 2016) Patent Registration No. 10-1271580 (2013.05.30) Patent Registration No. 10-0956309 (Apr. 28, 2010) Patent Registration No. 10-1485361 (2015.01.16)

It is an object of the present invention to provide an improved structure for furniture assemblies which is capable of enhancing the joining strength between the vertical panel and the horizontal panel and adjusting the joining strength between the vertical panel and the horizontal panel, Apparatus and furniture using the same.

According to the present invention, a fastener is fixed to one side of a horizontal panel, a fastening hole is inserted into a fastening hole formed in a vertical panel, a fastener is inserted into a fastening hole of a vertical panel formed to communicate with the fastening hole, 1. A fastening apparatus for assembling a furniture, in which a fastener is linearly moved within a fastening hole, and a horizontal panel and a vertical panel are coupled to each other;

The tightening member may include a top cap having bolt tightening grooves at the center of its outer surface and a plurality of fastening protrusions formed on the inner surface thereof and having an arcuate shape and a plurality of fastening protrusions spaced apart from the upper cap by a predetermined distance, And a central rotary shaft integrally connected to both ends of the upper and lower ends of the upper and lower caps, respectively,

The fastener includes a fastening body inserted into a fastening hole of a vertical panel and fixed to a horizontal panel and having a plurality of guide rails protruding from both sides of the fastening body, And a guide groove formed between the first and second protrusions and into which the center rotary shaft of the tightening tool is inserted.

Since the fastening protrusion of the fastener and the guide rail of the fastener are stably supported by almost surface contact so that the fastener is not loosened, the constant fastening force is maintained regardless of the degree of rotation of the fastener, The fastener is firmly fastened.

According to the present invention, a plurality of fastening protrusions are provided on the fastening port, and a plurality of guide rails are provided on the fastening port, so that the coupling force between the horizontal panel and the vertical panel can be freely adjusted There is an effect.

According to the present invention, the vertical panel and the horizontal panel, which are orthogonal to each other by the combination of the fastener and the fastener, are coupled to each other, so that the disassembly and assembly of the furniture can be facilitated.

In the present invention, since the tightening member and the fastening protrusion are inserted and fastened to the vertical panel and the horizontal panel, the joining portions of the vertical panel and the horizontal panel are clean and improved.

The present invention is easy to disassemble and assemble, so that a consumer can directly assemble in the home, and the furniture is assembled by being transported from the disassembled state to the home.

1 is an illustration showing a configuration according to the present invention;
FIG. 2 is a view showing a configuration of a fastening port according to the present invention. FIG.
3 is an exemplary view showing a detailed configuration of a fastener and a fastener according to the present invention;
4 is an exemplary view showing an operating state of a fastener and a fastener according to the present invention;
5 is an exemplary view showing an installation state of a fastener and a fastener according to the present invention;
6 is a view showing an example of a combined state of a horizontal panel and a vertical panel according to the present invention
FIG. 7 is an exemplary view showing still another configuration of the fastener according to the present invention; FIG.
FIG. 8 is an exemplary view showing a fastening hole of the fastener shown in FIG. 7; FIG.
Fig. 9 is an exemplary view showing an installation state of the fastener and the fastener of Fig. 7
Fig. 10 is an exemplary view showing a state in which the horizontal panel and the vertical panel are coupled by the fixture of Fig. 7

FIG. 3 is a perspective view showing a detailed structure of a fastener and a fastener according to the present invention. FIG. 4 is a perspective view of the fastener according to the present invention. FIG. FIG. 4 is a view illustrating an operation state of a fastener and a fastener according to the present invention, FIG. 5 is an exemplary view showing an installation state of a fastener and a fastener according to the present invention, Fig. 7 is an exemplary view showing still another structure of the fastener according to the present invention, Fig. 8 is an exemplary view showing the fastening holes of the fastener with respect to the fastener of Fig. 7, Fig. 9 is a view FIG. 10 is a view showing an example of a combined state of a horizontal panel and a vertical panel by the fixing device of FIG. 7, and FIG.

The present invention is characterized in that a fixture 20 is fixed to one side of a horizontal panel 200 and a tightening hole 10 is inserted into a tightening hole 110 formed in a vertical panel 100, The fastener 20 is linearly moved in the fastening hole 120 by the rotation of the tightening tool 10 to be perpendicular to the horizontal panel 200, CLAIMS 1. A clamping device for furniture assembly (80) to which a panel (100) is coupled;

The tightening tool 10 includes an upper cap 11 having bolt tightening grooves 14 at the center of its outer surface 11b and having a plurality of tightening protrusions 15 formed on the inner surface 11a in an arc shape, A lower end cap 12 having a plurality of fastening protrusions 16 formed in an inner surface 12a spaced apart from the upper cap 11 by a predetermined distance and having an arc shape on an inner surface 12a facing the upper end cap 11; And a central rotary shaft (13) integrally connected at both ends thereof to the center thereof,

The fastener 20 is inserted into the fastening hole 120 of the vertical panel 100 and fixed to the horizontal panel 200 and has a plurality of guide rails 21 having arcuate shapes on both sides thereof, And the first and second protrusions 23 and 24 protrude from the fastening body 22 and the central rotation axis 13 of the fastener is inserted between the first and second protrusions 23 and 24. [ And a guide groove 25 formed in the guide groove 25.

The furniture in the present invention includes household, commercial, and office furniture made of iron or wood such as a drawer, a bookcase, a chair, a desk, a chair, a bed, a cabinet,

1, the horizontal panel 200 is connected to a fixture 20, the vertical panel 100 is inserted with a fastener 10, and the vertical panel 100 is fastened with a fastener A fastening hole 110 into which the fastener 10 is inserted and a fastening hole 120 through which the fastener 10 is inserted are formed. At this time, the fastening hole 110 and the fastening hole 120 are formed to be perpendicular to each other and communicate with each other.

In addition, the horizontal panel 200 and the vertical panel 100 are furniture panels orthogonally coupled to each other. When one panel corresponds to a horizontal panel, the other panel corresponds to a vertical panel. In order to facilitate understanding of the present invention, The panel in which the fastening port 10 is inserted is referred to as a vertical panel 100 and the panel in which the fastener 20 is installed will be referred to as a horizontal panel 200. [

1 and 5, the vertical panel 100 has a predetermined depth in a contact surface 130 contacting the horizontal panel 200 and has a fastening hole 120 formed therein. A fastening hole 110 is formed at a predetermined depth in one side surface 140 which is perpendicular to the fastening hole 110 and the fastening hole 110 and the fastening hole 110 are formed to communicate with each other. That is, the fastening hole 120 and the fastening hole 110 are formed in the vertical panel 100 and have a '-shaped' hole.

At this time, the tightening hole 110 is formed with an assembly tolerance so that a clearance is not generated between the tightening hole 10 and the tightening hole 10 when the tightening hole 10 is inserted, 20 so as not to generate a clearance therebetween.

The horizontal panel 200 may further include a fixing hole 210 having a predetermined depth so that one side of the fixing member 20 can be inserted and supported.

2, the upper cap 11 and the lower end cap 12 are fixed by a central rotation shaft 13 to a predetermined position, as shown in FIG. 2, And a plurality of fastening protrusions 15 and 16 having an arc shape are symmetrically formed on the inner surfaces 11a and 12a of the upper and lower caps 11 and 12 facing each other, .

The upper cap 11 and the lower end cap 12 have a plurality of fastening protrusions 15 and 16 protruding from the inner surfaces 11a and 12a so as to be symmetrical with each other. The outer surface 11b of the upper cap 11, A bolt tightening groove 14 having a predetermined depth is formed.

The fastening protrusions 15 and 16 are in contact with the guide rail 21 of the fastener when the fastener 10 rotates in the fastening hole 110 and are rotated as shown in FIG. The outer ends 15a and 16a are located in contact with the outer peripheries 11c and 12c of the upper and lower caps and the inner ends 15b and 16b are located at the outer peripheral peripheries 11c and 12c of the upper / (13), and is formed in an arc shape having a predetermined length.

That is, the fastening protrusions 15 and 16 are provided with upper and lower caps 11 and 12 so that the inner ends 15b and 16b are inclined downward from the outer ends 15a and 16a, respectively, with respect to the rotation direction of the tightening opening 10. [ (A helical shape having a predetermined length) on the inner surfaces 11a, 12a of the base member 11a.

The fastening protrusions 15 and 16 are formed such that the outer end portion 17 of one fastening protrusion and the inner end portion 18 of another fastening protrusion adjacent thereto have an interval G1 and are overlapped with each other have.

The fastening protrusions 15 and 16 are formed on the inner surfaces 11a and 12a of the upper and lower caps, respectively. In the drawings of the present invention, four fastening protrusions are illustrated as protruding from the inner surface of the upper and lower caps, respectively, but the number of fastening protrusions is not limited thereto.

When the tightening tool 10 is rotated in the tightening hole 110, the tightening protrusions 15 and 16 are rotated in such a manner that the outer ends 15a and 16a are rotated first and the inner ends 15b and 16b are traced . That is, the tightening protrusions 15 and 16 are rotated from the outer ends 15a and 16a toward the inner ends 15b and 16b.

The bolt tightening groove 14 may be formed to have a predetermined depth on the outer surface 11b of the upper cap or may have a predetermined depth up to the center rotary shaft 13, . The bolt tightening groove 14 is exposed to the outside when the fastening hole 10 is inserted into the fastening hole 110, so that the joining of the working tool can be performed at a lower level. In addition, the bolt tightening groove 14 may have various shapes such as a straight shape, a cross shape, a square or hexagonal shape, and the like.

In addition, the tightening tool 10 may be formed such that the bolt tightening groove 14 is provided in the outer cap 19. [ The upper cap 11 and the lower cap 12 are formed to be parallel to each other with a predetermined distance therebetween by the central rotation axis 13 and the upper cap 11 and the lower cap 12 A plurality of fastening protrusions 15 and 16 having an arc shape are symmetrically formed on the inner surfaces 11a and 12a facing each other and an outer cap 19 having bolt tightening grooves 14 outside the upper cap 11 So that the guide rail 21 of the fastener 20 inserted into the fastening hole 110 through the fastening hole 120 smoothly contacts the fastening protrusions 15 and 16 of the fastener 10 Can be achieved.

The outer cap 19 and the upper cap 11 may be integrally formed with each other and a tightening tool 10 having a bolt tightening groove 14 formed in the outer cap 19 is shown in the drawing of the present invention .

1, the fixture 20 is inserted into the fastening hole 120 of the vertical panel 100 and is fixed to the horizontal panel 200. As shown in FIG. 3 (b) A first and a second protrusions 23 and 24 protruding from the fastening body 22 and a second protrusion 23 protruding from the fastening body 22; And a guide groove 25 formed between the two protrusions 23 and 24 and into which the center rotary shaft 13 of the tightening hole is inserted and which is fixed directly to the horizontal panel 200, (Not shown).

The fastening body 22 is block-shaped so as to be inserted between the upper and lower ends of the fastening hole through the fastening hole 120 of the vertical panel. The fastening body 22 has a circular arc-shaped guide rail 21 having a predetermined arc length, A plurality of protrusions are formed at predetermined intervals. At this time, the guide rail 21 is formed to have an arc shape to be convex toward the horizontal panel 200.

That is, on both sides of the fastening body 22, a plurality of arc-shaped guide rails 21 having a curvature corresponding to the curvature of the fastening protrusions 15 and 16 are formed at regular intervals, G2 are formed so as to be equal to the interval G1 between the tightening period.

4, when the tightening tool 10 is rotated, the guide rails 21 are brought into contact with the outer ends 15a and 16a of the tightening protrusions to be rotated, And is linearly moved in the fastening hole 120 by the radius curvature of the fastening protrusions 15 and 16.

The first, second, third, and fourth fastening protrusions 15c, 15d, 15e, 15f, 16c, 16d, 16e, 16f are provided on the upper and lower caps of the fastener, When the fastening holes 10 inserted into the fastening holes 110 of the vertical panel are rotated by the working tool when the three guide rails 21a, 21b and 21c are provided, the first fastening protrusions 15c, 16c are inserted between the first and second guide rails 21a, 21b of the fastening body and rotated so that the outer surface 21d of the first guide rail contacts the inner surface 15g of the first fastening projection.

When the first tightening protrusions 15c and 16c are continuously rotated while the outer surface 21d of the first guide rail is in contact with the inner surfaces 15g and 16g of the first tightening protrusions, The first guide rails 21a are linearly moved in the direction of the central rotation axis 13 of the tightening tool by contact with the first tightening protrusions 15c and 16c formed downward from the outer circumferences 11c and 12c.

Before the inner ends of the first tightening protrusions 15c and 16c are released from the first guide rail 21a, the outer ends of the second tightening protrusions 15d and 16d are separated from the second guide rails 21b and third The inner surfaces 15h and 16h of the second tightening protrusions are brought into contact with the outer surface 21e of the second guide rail and the second guide rails 21b ) Is also linearly moved in the direction of the central rotary shaft (13) of the fastening port.

Before the inner ends of the second tightening protrusions 15d and 16d are released from the second guide rail 21b, the outer ends of the third tightening protrusions 15e and 16e are positioned outside the third guide rail 21c The inner surfaces 15i and 16i of the third tightening protrusion are brought into contact with the outer surface 21f of the third guide rail so that the third guide rail 21c is also moved toward the center And is linearly moved in the direction of the rotary shaft 13.

The first, second and third guide rails 21a, 21b and 21c of the fastener are rotated by the fastening protrusion 15 in the direction of the central rotary shaft 13 while the fastening protrusion 15 of the fastener is continuously rotated The vertical panel 100 in which the fastener 10 and the fastener 20 are firmly coupled and the fastener is located and the horizontal panel 200 in which the fastener is installed ) Are also firmly assembled.

The first and second protrusions 23 and 24 protrude from the fastening body 22 so as to be symmetrical to each other with the guide groove 25 therebetween as shown in FIG. Guide slopes 23a and 24a are formed so that the rotary shaft 13 can be stably inserted into the guide groove 25. [

The guide groove 25 has a predetermined depth to insert the central rotation shaft 13 of the tightening hole and the inner lower end face 25a of the guide groove has a rounded shape so as to surround and support the central rotation shaft 13.

A support reinforcing groove 27 may be formed in the inner lower end surface 25a of the guide groove so as to communicate with the guide groove 25. The support reinforcing groove 27 may have an inner lower end surface 25a And the upper end 27a of the supporting reinforcing groove is contacted with the central rotary shaft 13 when the central rotary shaft 13 is inserted into and contacted with the inner lower end surface 25a of the guide groove 25. [ And one side of the central rotary shaft 13 is inserted into the support reinforcing groove 27, so that the contact supporting force against the central rotary shaft 13 is further improved.

The guide groove 25 and the first and second protrusions 23 and 24 are inserted between the upper and lower caps 11 and 12 of the tightening opening 10 to prevent the tightening opening 10 from being separated And also has a function of stably supporting the center rotary shaft 13 of the tightening tool inserted into the guide groove 25 so as to prevent a clearance phenomenon from occurring in the tightening tool 10 and the fixing tool 20. [

5, the fastener body 22 may be integrally fixed to the horizontal panel 200 by stud welding or the like. Alternatively, as shown in FIGS. 7 to 10, A support rod 26 is formed so as to integrally protrude from one side of the fastening body 22 and the support rod 26 can be fixedly installed in the fixing hole 210 formed in the horizontal panel.

7 to 10, after the fixing block 28 is further installed on the supporting rod 26, the fixing block is inserted into the fixing hole 210 of the horizontal panel So that the support rod 26 can be prevented from falling out of the fixing hole 210. At this time, a plurality of protrusions or threads may be formed on the outer surface of the fixed block 28.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

(10): fastening port (11): upper cap
(11a): inner surface (11b): outer surface
(11c): outer periphery (12): lower cap
(12a): inner surface (12c): outer circumference
(13): Central rotary shaft (14): Bolt tightening groove
(15): fastening protrusion (upper end) (15a): outer end
(15b): Inner end (15c): First tightening projection
(15d): second tightening protrusion (15e): third tightening protrusion
(15f): Fourth protrusion (16): Thrust protrusion (bottom)
(16a): outer end (16b): inner end
(16c): first tightening protrusion (16d): second tightening protrusion
(16e): third tightening protrusion (16f): fourth tightening protrusion
(17): outer end part (18): inner end part
(20): Fixture (21): Guide rail
(21a): first guide rail (21b): second guide rail
(21c): third guide rail (22): fastening body
(23): first projection (23a): a guide inclined portion
(24): second projection (24a): a guide slope part
(25): guide groove (25a): inner bottom surface
(26): a support rod (27): a support reinforcing groove
(27a): Support reinforcement groove top (80): Fastening device for furniture assembly
(100): vertical panel (110): fastening hole
(120): fastening hole (130): contact surface
(140): one side (200): a horizontal panel
(210): Fixing hole

Claims (6)

A fixing member 20 is fixed to one side of the horizontal panel 200 and a tightening hole 10 is inserted into a tightening hole 110 formed in the vertical panel 100 and a vertical The fixture 20 is inserted into the fastening hole 120 of the panel and the fixture 20 is linearly moved in the fastening hole 120 by the rotation of the fastening hole 10 and the horizontal panel 200 and the vertical panel 100 (80) to which the furniture is attached;
The tightening tool 10 includes an upper cap 11 having bolt tightening grooves 14 at the center of its outer surface 11b and having a plurality of tightening protrusions 15 formed on the inner surface 11a in an arc shape, A lower end cap 12 having a plurality of fastening protrusions 16 formed in an inner surface 12a spaced apart from the upper cap 11 by a predetermined distance and having an arc shape on an inner surface 12a facing the upper end cap 11; And a central rotary shaft (13) integrally connected at both ends thereof to the center thereof,
The fastener 20 is inserted into the fastening hole 120 of the vertical panel 100 and fixed to the horizontal panel 200 and has a plurality of guide rails 21 having arcuate shapes on both sides thereof, And the first and second protrusions 23 and 24 protrude from the fastening body 22 and the central rotation axis 13 of the fastener is inserted between the first and second protrusions 23 and 24. [ And a guide groove (25) formed in the guide groove (25).
The method of claim 1,
The fastening protrusions 15 and 16 are formed such that the outer ends 15a and 16a are located in contact with the outer peripheries 11c and 12c of the upper and lower end caps and the inner ends 15b and 16b are located adjacent to the outer peripheries 11c And 12c in the direction of the central rotary shaft 13 so as to be spaced apart from each other.
The method according to claim 1 or 2,
The tightening protrusions 15 and 16 are formed such that the outer end portion 17 of one side tightening protrusion and the inner end portion 18 of another tightening protrusion adjacent thereto are provided so as to overlap each other with a gap G1 therebetween Fastening device for furniture assembly.
The method of claim 1,
Wherein the guide rails are formed such that the interval G2 between the guide rails is equal to the interval G1 between the tightening intervals.
The method of claim 1,
The guide groove 25 has a predetermined depth so that the center rotary shaft 13 of the tightening hole can be inserted and the inner lower end face 25a of the guide groove surrounds the central rotary shaft 13,
Wherein a support reinforcing groove (27) is further formed in the inner lower end surface (25a) of the guide groove so as to communicate with the guide groove (25).
A furniture using the fastening apparatus for assembling furniture according to any one of claims 1, 2, 4, and 5.

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