KR101173239B1 - Furniture frame corner connection implement - Google Patents

Abstract

It is an object of the present invention to provide a corner joint for a furniture frame, the configuration of the present invention is a coupling body having a pair of coupling pieces (22) branched in the shape of a translator so as to fit inside the frame bar (10) 20 and the proximal end 30BE is fixed to the inside of the engaging piece 22 of the engaging body 20, and the free end 30FE side is moved forward and backward in the width direction WW of the engaging piece 22. The pair of frame bars 10 adjacent to each other may be coupled to the front end portion 30FE by the locking jaw 16 provided in the frame bar 10. It characterized in that it comprises a locker (30) to keep the state fitted to the engaging piece (22).

Description

Furniture frame corner connection implements

The present invention relates to a corner joint for furniture frame, and more specifically, each frame bar is connected by one-touch coupling simply by inserting each frame bar constituting the frame of the furniture, so that the furniture frame can be quickly and easily It relates to a corner joint for a furniture frame that can be made and facilitated and quickly removed from the furniture frame.

In general, a furniture such as a sink or a cabinet is provided with a door, and such a furniture door has a structure in which a metal frame is placed around a plate-shaped door panel. Frames mainly used for furniture doors such as cabinets and sinks have wooden frames. Since these wooden frames are heavy and weak in humidity, there are many problems. Recently, metal frames such as stainless steel or aluminum have been adopted. There is a trend.

In this case, a product having a structure in which corner portions of the furniture frame are connected to each other by means of a separate corner coupler and a fastener such as a bolt has been released. By inserting the fasteners, such as bolts, by inserting them into the bar, the corner parts of the furniture frame are connected in such a manner as to secure the corner coupler and the frame bar to each other. On the other hand, since the corner joint is usually made of synthetic resin, the nut is inserted into the insert at the position where the fastener is to be coupled for strength reinforcement.

However, in the case of connecting the respective frame bars using the fasteners and corner couplings as described above, the fastening holes are drilled one by one on each of the frame bars constituting the frame, and the fasteners are inserted into the corner fasteners by the fastening holes. It has to be tightened, there is a disadvantage that the number of assembly work is increased and inconvenient even after disassembly after assembly, and also has the disadvantage that the fastener is protruding slightly to the outside.

In addition, the corner joints made of synthetic resin material has a number of problems, such as inferior efficiency in production and disadvantages in terms of cost of the product, since the part to which the fastener is coupled to insert the metal nut for strength reinforcement.

In addition, in the past, the fasteners are screwed to form a furniture frame. Therefore, when dismantling the frame, the fasteners need to be released again. I have a problem.

The present invention is to solve the problems as described above, an object of the present invention is to construct the frame of the furniture rather than the method of drilling the fasteners to each frame bar constituting the frame of the furniture to tighten the fasteners one by one. Each frame bar can be connected and fixed simply by inserting each frame bar, which reduces the number of assembly work and facilitates the quick and efficient efficiency of dismantling the frame. Is to provide.

According to the present invention for solving the above problems, the coupling body 20 and the coupling body 20 having a pair of coupling pieces 22 branched in a transverse shape so as to fit inside the frame bar 10, and the coupling body 20 The proximal end 30BE is fixed to the inside of the coupling piece 22 and the free end 30FE side is configured to be moved forward and backward in the width direction WW of the coupling piece 22 so that the frame bar 10 The front end portion 30FE side is hooked to the locking jaw 16 provided therein so that the pair of frame bars 10 adjacent to each other are fitted to each coupling piece 22 of the coupling body 20. Corner fittings for furniture frames are provided comprising a locker 30 for retaining.

According to the present invention, when each frame bar is inserted into each engaging piece of the engaging body, which is the main part, and pushed, the front end side of the locker provided at each engaging piece of the engaging body contacts one surface of the linear extension piece provided in the frame bar. Bend outward to receive elastic restoring force. In this state, when each frame bar is completely pushed into each coupling piece of the coupling body, the frame bar is opposite to the linear extension inside the frame bar. Direction, the front end side of the rocker, which is bent in the direction of the locker, is elastically hung on the locking jaw provided on the linear extension inside the frame bar. It is possible to form the furniture frame of the shape.

Therefore, the present invention is not a method of punching the fasteners on each of the frame bars constituting the frame of the furniture and tightening the fasteners one by one. Since it is possible to form the furniture frame in the one-touch fixing method, there is no hassle to insert the fastener by tightening the fastening hole in each frame bar and tighten it by hand, so assembling the frame of the furniture in one touch, It has the advantage of reducing the number of work maneuvering, and also has the advantage of blocking the case of fastening protruding to the outside.

In addition, in the case of the corner joints made of synthetic resin material, the parts to which the fasteners are coupled for strength reinforcement should be inserted with the nut of the metal, and the present invention does not need to insert the nut of the metal, thus improving efficiency in manufacturing. And advantageous in terms of product cost.

On the other hand, according to the present invention, it is only necessary to insert a suitable tool such as a screwdriver or a chopstick into the hole formed in the frame bar to push the locker to be released from the locking piece of the frame bar, so that the door frame Dismantling can also be done easily and simply.

1 is a plan view of one embodiment of the present invention
Figure 2 is a perspective view showing a separate corner coupler and the frame according to the present invention
Figure 3 is a plan view showing a process of connecting the frame to the corner coupler of the present invention
Figure 4 is a plan view showing a state in which the frame is connected to the corner coupler of the present invention
5 is a rear perspective view of the frame assembled by the corner coupler of the present invention.
6 is a plan view of another embodiment of the present invention.
7 is a perspective view of FIG. 6
8 is a plan view of another embodiment of the present invention.
9 is a perspective view of FIG. 8
10 is a partially enlarged perspective view illustrating a state in which a frame is coupled by the corner coupler illustrated in FIG. 9;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a plan view of an embodiment of the present invention, Figure 2 is a perspective view showing a separate corner coupler and the frame according to the invention, Figure 3 is a plan view showing a process of connecting the frame to the corner coupler of the present invention, Figure 4 is Top view showing a state in which the frame is connected to the corner coupler of the present invention, Figure 5 is a rear perspective view of the frame assembled by the corner coupler of the present invention. Referring to this, the corner coupler of the present invention is a coupling body (20) having a pair of coupling pieces (22) branched in a transverse shape so as to fit inside the frame bar (10) adjacent to each other, such a coupling body (20) The base end portion 30BE is fixed to the inside of the engaging piece 22 and the free end portion 30FE side has a locker 30 configured to be able to move forward and backward in the width direction WW of the engaging piece 22.

The coupling body 20 has a cross-sectional block shape of a pair of coupling pieces 22 having a cross-sectional straight shape, which are integrally connected to each other based on an intermediate connection portion. Each of the engaging pieces 22 of the engaging body 20 is formed with a rectangular hole-shaped locker accommodating portion 24 penetrated to the upper and lower surfaces, and the base end portion 30BE of the rocker 30 is formed in the rocker accommodating portion 24. It is fixed in one piece. One side and / or the other side of each coupling piece 22 of the coupling body 20 is formed with a guide slit 26 connected from the end to the rocker receiving portion 24, and each guide slit 26 faces each other. A pair of guide protrusions 26a having a curved surface are provided at the position. In addition, the insertion guide portion 22a of which the distance gradually narrows with each other is provided at both ends of each coupling piece 22 of the coupling body 20. The upper and lower insertion guide portions 22a of the structure in which the pair of insertion guide portions 22a are closer to each other with the distance between the pair of insertion guide portions 22a relative to the center line of the longitudinal direction LL of the engaging piece 22 gradually decreases. ) Is provided. The insertion guide portion 22a serves to guide the hollow frame bar 10 to be more easily fitted without being caught when the hollow frame bar 10 is fitted to the coupling piece 22.

In addition, the outer corner portion of the portion where the pair of coupling pieces 22 of the coupling body 20 is further provided with a pin groove 28 for fitting the corner closing pin 29. At this time, the corner closing pin 29 is inserted into the pin groove 28 of the coupling body 20, the insertion pin portion 29a, and the integration pin portion (29a) is integrated with the outer surface is rounded finishing pin portion to form a curved surface ( 29b).

The frame bar 10 fitted to each coupling piece 22 of the coupling body 20 is configured in a rectangular cross-sectional shape having a hollow portion therein, and performs assembly of a frame of furniture (for example, furniture doors). In order to have a structure in which both ends are obliquely cut in a symmetrical form with respect to the center line in the width direction. That is, both ends of the frame bar 10 are cut out at approximately 45 degrees. In addition, the frame bar 10 is provided with a linear linear extension piece 14 extending in the longitudinal direction (LD) therein, the linear extension piece 14 is provided with a locking hole, the frame by such a locking hole The locking jaw 16 to which the locker 30 to be described later is engaged is formed in the bar 10. In addition, the frame bar 10 has a hole 12 formed on one surface (specifically, a rear surface opposite to the surface on which the locking jaw 16 is formed), and the hole 12 is adjacent to the locking jaw 16. In place. Through such a hole 12, a tool such as a driver can be inserted into the frame bar 10.

The coupling body 20 is provided with a locker 30. That is, each of the engaging pieces 22 branched into the shape of the memory of the engaging body 20 is provided with a rocker accommodating portion 24 having a hole shape penetrating up and down, and the proximal end 30BE side of the locker 30 is engaged. It is fixed to the inner wall surface of the locker accommodating part 24 provided in the engaging piece 22 of the body 20, and it is arrange | positioned so that it may incline to one side with respect to the center line of the longitudinal direction LL of the engaging piece 22. As shown in FIG. Since the coupling body 20 and the rocker 30 itself are integrally formed of synthetic resin, the rocker 30 itself has an appropriate elasticity that can be bent and unfolded.

The front end portion 30FE side of the locker 30 is caught by the locking jaw 16 provided in the frame bar 10 so that a pair of frame bars 10 adjacent to each other are coupled to each other of the coupling body 20. The state of being fitted to the engaging piece 22 is maintained.

In addition, an unlocking hanger piece 34 is further provided on the front end portion 30FE of the locker 30 so as to face the hole 12 penetrated to one surface of the frame bar 10. The unlocking hanger piece 34 is connected to the locker 30 through the connecting piece 32 on the tip end portion 30FE side of the locker 30, so that the connecting piece 32 and the unlocking hanger piece 34 have a substantially slender shape. Will be achieved. The tip portion 30FE of the unlocking hanger piece 34 is further provided with an auxiliary support piece 36 extending in the locker 30 direction. Preferably, the connecting piece 32, the unlocking hanger piece 34 and the auxiliary support piece 36 are also formed at the same time when forming the coupling body 20 by synthetic resin. The auxiliary support piece 36 prevents the tool from falling out when the tool, such as a screwdriver, hangs on the unlocking hanger piece 34 and pushes it outwards, thereby preventing the locking jaw of the locker 30 and the frame bar 10. 16) It makes the function more assured by the disengagement operation between.

In addition, the unlocking hanger piece 34 is a guide surface 34a inclined in a direction opposite to the locking jaw 16 toward the upper side from the lower side to the surface facing the locking jaw 16 provided in the frame bar 10. ) Is further provided. See FIG. 6.

Then, the buffer cap 40 is coupled to the hole 12 of each frame bar 10 for constituting the furniture frame. The buffer cap 40 has a conical insert 42 provided on a surface facing the hole 12 of the frame bar 10 by rubber, and a recess 44 through the insert 42. It takes a structure having a buffer disk portion 46 that leads to. The conical insert 42 is inserted into the hole 12 of the frame bar 10 so that the recess 44 is caught by the circumferential wall of the hole 12 formed in the frame bar 10. The hole 12 of the 10) is blocked with a buffer cap (40). See FIG. 5.

According to the present invention having such a configuration, when the frame bars 10 whose both ends are obliquely cut off are inserted into and pushed to each engaging piece 22 of the engaging body 20, the linear extension piece 14 inside the frame bar 10 is pushed. Directionally slides along the guide slit 26 provided in each engaging piece 22 of the engaging body 20 enters the locker accommodating portion 24. At this time, the guide slit 26 is provided with a pair of guide protrusions facing each other in a curved shape, so that the ends of the linear extension pieces 14 inside the frame bar 10 are not caught, and smoothly along the guide slit 26. Can slide.

When the frame bar 10 inserted into each coupling piece 22 of the coupling body 20 is continuously pushed in, the front end portion 30FE of the locker 30 provided in each coupling piece 22 of the coupling body 20 is provided. In contact with one surface of the linear extension piece 14 provided in the inside of the frame bar 10, it is bent in an outward direction to receive an elastic restoring force. In this state, each of the frame bars 10 is coupled to the coupling body. When fully pushed into each engaging piece 22 of (20), the front end part 30FE side of the rocker 30 bent in the outward direction (namely, the direction opposite to the linear extension piece 14) has the frame bar ( 10) It is accommodated in the locking hole provided in the linear extension piece 14 inside, so that it is elastically restored to its original position and is caught by the locking jaw 16 formed by the locking hole. Furniture frame in the shape of a square frame Can be formed. Of course, a panel such as a glass panel or wood panel is coupled to the inner side of the furniture frame formed using the present invention. At this time, the coupling body 20 is formed with a concave groove 23 in the inner corner of the portion where each coupling piece 22 is connected, so that the concave groove 23 is adjacent to each other of the frame bar 10 By receiving the inner edge portion, the inner edge portions of the two frame bars 10 are prevented from being caught when they are engaged with each other.

In addition, the coupling body 20 has a pin groove 28 is formed in the outer corner portion that each coupling piece 22 is connected, the corner finishing pin 29 in the outer corner pin groove 28 of the coupling body 20 By fitting), the edges of the furniture frame can be finished with a smooth, smooth surface. In other words, by inserting the insertion pin portion 29a of the corner closing pin 29 into the pin groove 28 of the coupling body 20, the closing pin portion 29b of the corner closing pin 29 of each frame bar 10 The outer surface of the end portion can be arranged, and since the outer surface of the finishing pin portion 29b is treated with a round portion, the edge of the furniture frame is not sharp but is finished with a smooth curved surface.

At this time, the furniture frame assembled by the present invention is a shock absorbing buffer cap 40 is coupled to the hole 12 formed in each frame bar 10, for example, the furniture frame assembled by the present invention Is adopted as the door of the furniture, the buffer cap 40 is disposed in the rear position of the door, so that when the door is closed, even if the back portion of the door hit the door support frame of the furniture, the buffer cap 40 is Since the shock is absorbed, it is possible to prevent a large shock or noisy noise when the door is closed.

Meanwhile, the buffer cap 40 is removed from the hole 12 formed in the frame bar 10, and a suitable tool such as a screwdriver or a chopstick is inserted into the frame bar 10 through the hole 12 of the frame by. When put into the tool, the tool hangs on the unlocking hanger piece 34 integrated with the locker 30, and the tool caught on the unlocking hanger piece 34 is moved outward (ie, inside the frame bar 10). In the direction opposite to the locking jaw 16 of the locking jaw 16), the free end portion 30FE side of the locker 30 together with the unlocking hanger piece 34 is locked inside the frame bar 10. The state is detached from the jaw 16.

Here, when the locker 30 is caught by the locking jaw 16 of the frame bar 10, the inner wall of the frame bar 10 (that is, the glass) is centered around the proximal end 30BE where the locker 30 itself is fixed. It is in the state which bends further toward the inner wall adjacent to the peripheral part side of panels, such as a panel and a wooden panel.

Accordingly, when the tool caught by the unlocking hanger piece 34 is pushed outward, the free end portion 30FE side of the locker 30 together with the unlocking hanger piece 34 has a frame bar 10. In the locking jaw (16) there is a state that is primarily detached, the frame bar 10 can be pulled out in this state to dismantle the frame of the furniture.

On the other hand, the unlocking hanger piece 34 is a guide surface inclined in a direction opposite to the locking jaw 16 toward the upper side from the lower side to the surface facing the locking jaw 16 provided in the frame bar 10 ( 34a) is further provided, and when the tool such as a screwdriver is inserted through the hole 12 of the frame bar 10, the lower end of the tool is more smoothly unlocked by the inclined guide surface 34a. The locking bar 30 and the locker 30 integrated therewith by the guide surface 34a may be caught by the guide surface 34a when the tool is hooked to the unlocking hanger piece 34. The locking jaw 16 of the frame bar 10 is pulled out in the outward direction (the direction opposite to the inner surface facing the panel of the frame bar 10) from the locking jaw 16 of the frame bar 10. This prevents excessive bending of the locker 30 when it is separated from To perhaps even more reliably block the phenomena such that the locking member (30) itself by breaking it, which means that ultimately be more enhanced product reliability.

In addition, the base end portion 30BE of the locker 30 is fixed to an inner wall surface of one side of the locker accommodation portion 24 formed on the coupling piece 22 of the coupling body 20, and the front end portion 30FE of the locker 30 is It is composed of a free end, the cross-sectional thickness of the locker 30 preferably has a structure that gradually decreases from the base end (30BE) toward the front end (30FE) direction.

The locker 30 is moved outwardly by inserting a tool such as a screwdriver through the hole 12 of the frame bar 10 and pushing the tool outwards by hanging the tool on the unlocking hanger piece 34 of the locker 30. By bending to release the locking state of the locker 30 at the locking jaw 16 of the frame bar 10, the cross-sectional thickness of the locker 30 gradually decreases from the proximal end 30BE toward the distal end 30FE. By doing so, the locker 30 itself can be bent smoothly to prevent the phenomenon that the crack occurs.

In addition, the reinforcement part 38 further connects the inner wall surface of one side of the locker 30 accommodating hole provided at both sides of the base end portion 30BE of the locker 30 and the coupling piece 22 of the coupling body 20. It is provided. By providing the reinforcement part 38, it is possible to prevent a phenomenon in which cracks are easily generated at the proximal end 30BE side of the rocker 30 when the rocker 30 is bent, thereby increasing the reliability of the product. do.

On the other hand, Figures 8 to 10 show another embodiment of the present invention. In the embodiment shown in Figures 8 to 10 is configured to have a pair of coupling pieces 22 branched in a transverse shape so that the coupling body 20, which is a main part, to fit inside the frame bar 10 adjacent to each other and each coupling The piece 22 is provided with the locker 30 is the same as the above embodiment. At this time, the upper and lower portions of the space protrusion 50 extending in an oblique shape is provided on the upper and lower surfaces of the subsequent portions of the pair of coupling pieces 22 branched in the odd shape of the coupling body 20, the coupling piece of the coupling body 20 ( 22 is provided with a corner finishing piece 54 integrally provided at the outer edge portion. The outer surface of the corner finishing piece 54 is processed by the curved surface part. In addition, the inner end of the space protrusion 50 is configured to protrude relatively inward from the inner corner portion where the coupling piece 22 of the coupling body 20 continues, and the inner protrusion of the space protrusion 50 has a V-shaped shape. Concave groove 50a is further formed.

According to the embodiment of the present invention shown in Figures 8 to 10, by inserting each of the frame bars 10, both ends of which are inclined inclined to each coupling piece 22 of the coupling body 20, the coupling body 20 The lockers 30 provided at each coupling piece 22 of the frame bar 10 can be hooked to the locking jaw 16 inside the frame bar 10 so as to connect and assemble the frame bars 10. The inclined cut end of each frame bar 10 is in close contact with the space protrusion 50 of the form, and the outer surface of the corner finishing piece 54 provided at the outer edge of the coupling body 20 Since it is treated with a curved portion, the edge of the furniture frame can be finished with a smooth, smooth surface.

In addition, the inner end of the space protrusion 50 is configured to protrude relatively inward from the inner corner portion where the coupling piece 22 of the coupling body 20 continues, and the inner protrusion of the space protrusion 50 has a V-shaped shape. Since the recess 50a is further formed, panel edges such as glass panels or wood panels coupled to the inner side of the furniture frame may be coupled to each other without being caught by the inner edge of the furniture frame. That is, since the edge portion of the panel is adapted to the V-shaped concave groove 50a of the portion protruding inwardly of the space protrusion 50, the panel edge portion can be coupled to the inner edge of the furniture frame without being caught.

8 to 10 has the same configuration as the above embodiment except for the configuration in which the space protrusion 50 and the corner closing piece 54 are integrally provided, and thus the description thereof will be omitted. .

Meanwhile, referring to FIGS. 1 and 3, the present invention further includes protrusions 22p on the outer surface 0S of the engaging pieces 22 of the overlapping body 20, and the role of the protrusions 22p is provided. When the frame bar 10 is inserted into each coupling piece 22 of the coupling body 20, the contact surface between the coupling piece 22 and the frame bar 10 is minimized, thereby making it easier to assemble the frame bar 10. will be.

In addition, the guide slits 26 of the coupling pieces 22 are further provided with guide protrusions 26a facing each other, and the role of the guide protrusions 26a is easier to assemble when the frame bar 10 is inserted. It guides so as to position the coupling body 20 to be more firmly seated in the frame, the locking jaw 16 and the coupling body 20 provided on the linear extension 14 in the frame bar 10 It is to more accurately set the position where the locker 30 provided in the) is assembled.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various permutations, modifications, and changes can be made without departing from the spirit of the present invention. It will be apparent to those who have it.

10. Frame bar 12. Hole
14. Linear Extension 16. Locking Jaw
20. Joining body 22. Joining piece
24. Locker Receptacle 30. Locker
32. Unlocking Hanger

Claims (13)

A coupling body 20 having a pair of coupling pieces 22 branched in a transverse shape so as to fit inside the frame bar 10, and a proximal end 30BE inside the coupling piece 22 of the coupling body 20. ) Is fixed and the free end portion (30FE) side is configured to be able to move forward and backward in the width direction (WW) of the engaging piece 22, the front end side to the locking jaw (16) provided in the frame bar (10) A locker 30 for holding the pair of frame bars 10 adjacent to each other so that 30FE is engaged and fitted to each coupling piece 22 of the coupling body 20,
Each of the frame bars 10 fitted to the coupling pieces 22 of the coupling body 20 is provided with a linear extension piece 14 having a straight line extending in the longitudinal direction LD therein. The locking jaw 16 is formed in the lock hole 14 by the locking hole, and the locker 30 is caught by the locking jaw 16.
The locker 30 is configured to have a base end portion 30BE side fixed to an inner wall surface of the locker accommodation portion 24 provided on the coupling piece 22 of the coupling body 20 to have its own elasticity, and at the same time, the coupling piece It is arranged to be inclined in one direction with respect to the longitudinal direction (LL) reference line of (22),
Corner locking device for furniture frame, characterized in that the unlocking hanger piece (34) is provided on the front end portion (30FE) side of the locker 30 to face the hole (12) penetrated to one surface of the frame bar (10).
delete delete delete The locking jaw of claim 1, wherein the unlocking hanger piece 34 is located from the lower side LS to the upper side US on a surface facing the locking jaw 16 provided in the frame bar 10. Corner coupler for furniture frame, characterized in that the guide surface 34a inclined further in the opposite direction to (16).
The corner fitting for furniture frame according to claim 1, wherein a buffer cap (40) is coupled to the hole (12) of the frame bar (10).
The base end portion 30BE of the locker 30 is fixed to one inner wall surface IW of the rocker accommodation portion 24 formed on the coupling piece 22 of the coupling body 20. Tip portion 30FE of the locker 30 is composed of a free end, the cross-sectional thickness of the rocker 30 for the furniture frame, characterized in that it has a structure that gradually decreases from the base end (30BE) toward the tip end (30FE) direction Corner connector.
delete The method of claim 1, wherein the outer corner portion of the portion of the coupling body 20 is connected to the coupling piece 22 is further provided with a pin groove 28 for fitting the corner closing pin 29 Corner joints for furniture frames.
According to claim 1, wherein the coupling body 20 is provided with a space protrusion 50 extending in an oblique shape on the upper and lower surfaces of the successive portion of each coupling piece 22 branched in a wedge-shaped, the coupling piece 22 Corner joining for furniture frame, characterized in that the outer edge portion is further provided with a corner finishing piece (54).
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