KR101837007B1 - Connecter for table frames and table having it - Google Patents

Abstract

The present invention relates to a connecting member of a table frame. The present invention provides a connecting member for connecting a hollow pillar member and two horizontal frames adjacent to the pillar member to form a corner of a frame structure, the connecting member comprising: a cover member mounted on an end of the pillar member; A nut mounted on the cover body, one end engaged with the first mounting hole formed in the first horizontal frame, and the other end engaged with the second mounting hole formed in the second horizontal frame, and a nut member passing through the engaging member and the column member And a fastening bolt fastened to the nut.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a connection member for a table frame,

The present invention relates to a connecting member for connecting table frames made of sections steel to each other.

The table is based on a framing part erected from the ground and a plate material resting on the top of the framing. Frames are an important part of manufacturing robust tables, and unstable frames can not last a long time.

One of the recent trends in furniture sales is that when a consumer chooses a product through online shopping or offline shopping, the product is delivered to the consumer in a disassembled state, and the consumer assembles the furniture directly from the place of use. Most consumers are not furniture experts, and they are burdening the assembly of bulky furniture. Therefore, it is necessary to adopt the assembly structure of furniture frame so that consumers can easily assemble.

The assembly structure of the table frame is variously presented. Korean Utility Model Registration No. 20-0315701 discloses a method of fitting a connector in a hole of a frame. Although the locking protrusions are protruded according to the pre-assembling angle, the angles of the frames are correctly connected. However, there is a fear that the frame may come off due to the adoption of the fitting method. To prevent this, assembling is complicated by adopting interference fit or by using a fastener because each frame requires a fitting or fastening process.

In order to prevent the frame from falling out and to facilitate the disassembly and assembly without any additional equipment, a structure of a table frame structure in which a support frame is supported by using a corner connecting member is disclosed in Korean Patent Application No. 10-2014-0121496 . There is a problem in that it is difficult to assemble when the assembling is disadvantageous and the assembling position is deviated due to too many engaging portions, and the protrusion is formed at the end of the supporting frame.

Korean Registered Utility Model No. 20-0315701 (May 26, 2003) Korean Patent No. 10-2014-0121496 (Oct. 16, 2014)

The present invention proposes a connecting member for a table frame capable of minimizing a joining portion to improve assembling convenience of a table frame, and having excellent rigidity after assembly and constituting a general frame type structure.

Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

According to an aspect of the present invention, there is provided a connecting member for connecting a hollow pillar member and two horizontal frames adjacent to the pillar member to form a corner of a frame structure, And the other end of which is engaged with the second mounting hole formed in the second horizontal frame and the other end of which is engaged with the second mounting hole formed in the second horizontal frame, And a fastening bolt passing through the column member and fastened to the nut.

The cover body may include a body portion having a mounting groove into which the nut is inserted and which is in contact with an inner wall of the column member and an extension portion extending from the upper surface of the body portion and covering an end portion of the column member .

The nut has two parallel outer side surfaces fitted to the inner wall surface of the mounting groove to fix the nut. The wall surface of the front portion and the rear portion of the nut inserted into the mounting groove has a width corresponding to the screw hole of the nut , And an opening hole through which the fastening bolt passes can be formed.

On the other hand, the inner wall surface of the mounting groove may protrude a locking protrusion that prevents the nut inserted into the mounting groove from escaping.

In this case, the latching member is formed by bending a metal plate in a U-shape, and both end portions of the latching member may be formed with fitting grooves formed in the first mounting hole and the second mounting hole, respectively.

In order to solve the above-mentioned problems, the present invention provides, as an embodiment, a hollow column member, two horizontal frames adjacent to the column member, and a table member connecting the column member and the horizontal frame to form an edge of the frame structure. A table including a connecting member of the frame and an upper plate which is placed on the cover member of the connecting member.

According to the embodiment of the present invention, since the table frame is easy to assemble, even a non-specialist can assemble easily and quickly. After assembly, the pillar members and the horizontal frames have excellent binding force, and the finished table is robust. In addition, the frames are in the form of a general frame, easy to manufacture and each part has a small volume, which is advantageous for storage and transportation.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a perspective view of a connecting member of a table frame according to an embodiment of the present invention;
Fig. 2 is a perspective view showing the connection member of the table frame shown in Fig. 1 separated; Fig.
3 is a bottom perspective view of the cover body employed in the embodiment shown in Fig.
FIG. 4 is a perspective view showing a state where a cover body and a nut employed in the embodiment shown in FIG. 1 are engaged; FIG.
5 is a sectional view of the table frame according to the embodiment shown in FIG.
FIG. 6 is a plan view showing a state in which a connecting member of a table frame according to the embodiment shown in FIG. 1 is assembled.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, It will be possible. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Hereinafter, a connecting member of a table frame according to an embodiment of the present invention will be described in detail with reference to the drawings. In the present specification, the same reference numerals are assigned to the same components in different embodiments, and the description thereof is replaced with the first explanation.

The connecting member 100 of the table frame according to the embodiment of the present invention connects the hollow pillar member 5 and the two horizontal frames 6 adjacent to the pillar member 5 to form the corner of the frame structure A nut 2, an engaging member 3, and a fastening bolt 4, as shown in Fig.

The cover body (1) is mounted to the end of the pillar member (5) and the cover (1) is fitted with a nut (2). The cover body 1 on which the nut 2 is mounted is mounted on the end of the pillar member 5 so that the nut 2 is naturally positioned at the correct position where the fastening bolt 4 is fastened.

One end of the latching member 3 is engaged with the first mounting hole 611 formed in the first horizontal frame 61 and the other end is caught in the second mounting hole 621 formed in the second horizontal frame 62. The engaging member 3 presses the surface forming the rim of the first mounting hole 611 and the second mounting hole 621 by tightening the fastening bolt 4 so that the table frame stably remains.

The fastening bolt 4 is fastened to the nut 2 mounted on the cover body 1 through the fastening member 3 and the pillar member 5. The fastening bolt 4 is provided on the first horizontal frame 2 which is engaged with the latching member 3 by pressing the latching member 3 toward the column member 5 while pressing the cover body 1 against the inner surface of the column member 5, (61) and the second horizontal frame (62) toward the column member (5).

According to the embodiment of the present invention, since the table frame is easy to assemble, even a non-specialist can assemble easily and quickly. Also, after assembly, the pillar members and horizontal frames have excellent bonding force, and the finished table is robust. In addition, the frames are in the form of a general frame, easy to manufacture and each part has a small volume, which is advantageous for storage and transportation.

Particularly, the portion where the column member and the horizontal frames are combined is minimized, and the nut can be aligned naturally with the fastening bolt, so that the table frame can be easily assembled.

Hereinafter, each component will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a connecting member of a table frame according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating a connecting member of the table frame shown in FIG.

The figure shows corner portions of the frame frame supporting the table top plate. The frames to be connected are a pair of horizontal frames 6 which are used as legs of the table and whose ends are tangent to the pillar members 5 and perpendicular to each other on a horizontal plane. The pillar member (5) and the horizontal frame (6) are made of hollow steel. The connecting member 100 of the table frame is used to bind the column member 5 and the two horizontal frames 6. [

The column member 5 is a part constituting the leg of the table and the corner 51 of the column member 5 is formed with a hole 51 through which the fastening bolt 4 passes. In the illustrated embodiment, the holes 51 are formed in a circular shape corresponding to the cross section of the fastening bolts 4, but the cross section of the holes may be changed to a polygonal shape for convenience of hole formation.

The horizontal frame 6 is a portion for maintaining the structure of the table, and mounting holes 611 and 621 are opened in the side surface of the horizontal frame 6. Mounting holes 611 and 621 are used for engaging with the engaging member 3. In the illustrated embodiment, the mounting holes 611 and 621 are formed as a single rectangular hole with a relatively wide opening, and the edges of the mounting holes 611 and 621 facing the column member 5 are formed vertically. The edges of the mounting holes 611 and 621 are fitted into the fitting groove 33 formed in the latch member 3 described later.

The column member 5 is provided with a hole or the like for coupling with the horizontal frame 6 except for the hole through which the fastening bolt 4 passes, And the column member 5 and the horizontal frame 6 are in contact with each other without any separate protrusions for coupling.

The cover body 1 is a portion to which the nut 2 is to be attached and includes an extension portion 12 that extends over the upper surface of the body portion 11 and the body portion 11 to cover the end portion of the pillar member 5 . The cover member 1 is engaged with the column member 5 in such a manner that the body member 11 is inserted into the column member 5 and then hooked on the end of the column member 5 at the extended portion 12. [ The cover body (1) can be manufactured by injection molding a synthetic resin material.

Referring to the drawings, the body part 11 is formed with a mounting groove 111 into which a nut 2 is inserted, inserted into a hollow space of the pillar member 5, and abutted against an inner wall of the pillar member 5. In the case where the mounting groove 111 is formed in the body part 11 and the nut 2 is inserted and assembled, the flow of the nut 2 is minimized compared with the case where the insert is injected, It is possible to prevent the body part 11 from being deformed.

As shown in FIG. 3, wall surfaces of both the mounting grooves 111 of the body part 11 may have a hollow space 114 formed therein. When the hollow space 114 is formed on the wall surface as described above, the material can be saved as compared with a case in which the inside space is filled, and bubbles can be prevented from being generated inside the body part 11 when the body part 11 is injection- have.

On the other hand, as shown in FIG. 4, a locking protrusion 113 for preventing the nut 2 inserted into the mounting groove 111 from protruding can be formed on a wall surface of the mounting groove 111. It is necessary to fix the position of the coupled nut 2 when the nut 2 is engaged. The nut 2 coupled to the body part 11 is not pulled out when the engaging step 113 is formed on the wall surface. The engaging step 113 is formed so that the direction in which the nut 2 is inserted becomes an inclined surface, so that the nut 2 can be easily inserted.

For reference, the body part 11 may be made of a material having elasticity so that the nut 2 can be inserted easily. In this case, if the empty space 114 is formed in the wall surface as described above, the insertion of the nut 2 becomes easier. When the body part 11 is formed of a rigid synthetic resin material, the nut 2 may be inserted before the body part 11 is completely formed and before the body part 11 is completely hardened.

An opening hole 112 through which the fastening bolt 4 passes is formed on the wall surface of the front and rear portions of the nut 2 inserted into the mounting groove 111 with a width corresponding to the threaded hole of the nut 2 . As a result, the fastening bolt 4 can be inserted into the nut 2 without interference and can be fastened through the nut 2.

The contact portion of the body portion 11 with the pillar member 5 depends on the inner shape of the pillar member 5. In the illustrated embodiment, the body portion 11 is shown in the form of a beveled edge so as to be in contact with the inclined inner wall of the pillar member 5.

The outer side of the body part 11 includes a first contact surface 115 and a second contact surface 116 which are in contact with an inclined inner wall of the pillar member 5 and a first contact surface 115 and a second contact surface 116 And a spacing surface 117 spaced apart from the inner wall of the column member 5.

When the fastening bolt 4 is fastened to the nut 2, it is necessary to strongly press the outer side of the body portion 11 against the inner wall of the column member 5 in order to maintain the frame structure. When the spacing surface 117 is formed, the outer side of the body portion 11 can be in full contact with the inner wall of the column member 5. When the outside of the body part 11 is in contact with the entire edge of the column member 5 without the spacing surface 117, there is a fear that the force is concentrated at the edge of the column member and the whole of the inner wall of the column member 5 is not entirely contacted.

On the other hand, the body part 11 can be formed to have a smaller cross-sectional area toward the center toward the lower end portion inserted into the pillar member 5. With this configuration, it is easy to insert the cover member 1 into the pillar member 5. [ When the body part 11 is inserted into the column member 5, the lower end of the body part 11 is separated from the inner surface of the column member 5 and the fastening bolt 4 is fastened to the nut 2 And the lower end portion can be engaged while firmly coming into close contact with the inner surface of the column member 5.

The extension portion 12 extends from the upper end surface of the body portion 11 and covers the end portion of the pillar member 5. Since the extension portion 12 is formed to have a larger cross-sectional area than the body portion 11, the cover body 1 can be placed on the end portion of the pillar member 5.

The extension 12 supports the table top plate when placed thereon. Also, since the extended portion 12 has a plate shape and blocks the hollow portion of the column member 5, the hollow portion of the column member 5 can not be seen even when a transparent table top plate is laid, thus giving a nice visual feeling.

On the other hand, the extension 12 can extend to the end of the first horizontal frame 61 and the end of the second horizontal frame 62, which contact the column member 5. The extension portion 12 is extended from the body portion 11 by a thickness of the pillar member 5 to form a step. However, in the two directions extending to the first horizontal frame 61 and the second horizontal frame 62, the end portions of the first horizontal frame 61 and the second horizontal frame 62 are extended . In such a configuration, the extended portion 12 can determine the horizontal position of the first horizontal frame 61 and the second horizontal frame 62. The height of the end portion of the column member 5 and the height of the first horizontal frame 61 and the second horizontal frame 62 can be equalized.

When the fastening bolt 4 is fastened, one end of the first horizontal frame 61 and the second horizontal frame 62 can be lifted up. When the extended portion 12 is formed, 2 the horizontal frame 62 is prevented from lifting to maintain a firmly engaged state. That is, in order to maintain the structural integrity of the table frame in the present invention, one end of the first horizontal frame 61 and one end of the second horizontal frame 62 must be in contact with the column member 5 intact. And the second horizontal frame 62, there is a possibility that the surface contacting the column member 5 is greatly reduced and structurally unstable. This problem can be solved by the extension portion 12 formed so as to have the frame support surface 121.

On the other hand, the cover body 1 can be injection-molded with a soft synthetic resin. In this case, when the nut 2 is inserted, the cover body 1 is elastically deformed to facilitate insertion of the nut 2, and when the fastening bolt 4 is fastened, the body portion 11 of the cover body 1 It is possible to face the inner wall of the column member 5 while being elastically deformed. Further, the nut 2 can be pulled after the fastening bolt 4 is tightened to prevent the fastening bolt 4 and the nut 2 from being loosened.

The nut 2 is attached to the cover body 1 and is fastened to the fastening bolt 4 so that two parallel outer side surfaces 21 of the nut 2 are engaged with the mounting groove 111 of the cover body 1 So that the nut 2 is fixed. The nut 2 is connected to the fastening bolt 4 which is coupled to the cover body 1 and is located in the inner space of the pillar member 5 and passes through the pillar member 5 and the pillar member 5 in order.

The nut (2) may have a polygonal shape and may be a flange nut (2). In this case, the mounting groove 111 of the cover body 1 has a sectional shape corresponding to the flange nut 2. When the flange nut 2 is used, the flange portion of the fastening bolt 4 presses the cover body 1 to be more firmly fixed and the force is dispersed to the flange portion, Can be prevented.

The nut (2) may be formed separately from the cover body (1) and made of a metal material. The forming of the cover body 1 can be simplified and the cover body 1 and the nut 2 can be made of different materials as compared with the case where the fastening bolts 4 are joined by forming the threads in the cover body 1 The cost can be reduced, and the metal nut (2) ensures tightening rigidity.

That is, in the case of forming a hole having a thread in the cover body 1, the fastening bolt 4 is directly fastened to the cover body 1 so that the use of the nut 2 can be omitted. In this case, The cover member 1 is difficult to be molded or the manufacturing cost can be increased.

The nut (2) is assembled to the cover body (1) and positioned by being fitted in the column member (5). When the nut 2 is assembled separately from the cover body 1, the wrench 2 is gripped by inserting the spanner through the end of the column member 5 opened to the top, and then the head of the fastening bolt 4 is screwed into the tool It is necessary to fix the fastening member 3 but the nut 2 is attached to the cover body 1, so that the troublesome work can be solved.

The latching member 3 connects the two horizontal frames 6 to stably support the structure of the table frame. The latching member 3 is formed by bending a metal plate in the shape of a letter C, and the latching member 3 has a through hole 34 through which the fastening bolt 4 passes in the center thereof. At both ends of the engaging member 3, fitting grooves 33 are formed in the first mounting hole 611 and the second mounting hole 621, respectively.

Referring to FIG. 5, the engaging member 3 has a protruded surface 31 and a depressed surface 32, and the depressed surface has a depression at the center. The engaging member 3 can be easily inserted into the mounting holes 611 and 621 of the horizontal frame 6 by the recessed surface 32. [ Further, the outer side of the engaging member 3 is formed thickly by the projecting surface 31, so that the rigidity can be compensated and the frame frame can be firmly held.

The engaging member 3 is prevented from interfering with the column member 5 by the recessed surface 32 and the engaging member 3 is located at a position spaced apart from the column member 5. [ When the fastening bolt 4 is fastened to the nut 2, the latching member 3 needs to strongly press the horizontal frame 6 toward the column member 5 in order to hold the frame frame. This action is very important in the case of the present invention in which there is no part of the horizontal frame 6 to be joined with the pillar member 5. [ When the engaging member 3 is not spaced and abuts against the edge of the column member 5, the force is concentrated on the edge, and the force for pressing the horizontal frame 6 as a whole may fall.

In the illustrated embodiment, the fitting groove 33 is a slit-shaped groove having a trapezoidal shape and has a first supporting surface 331 and a second supporting surface 332 extending approximately 90 degrees from the first supporting surface 331 And a spacing surface 333 which is obliquely inclined at the second supporting surface 332 and extends in a direction to widen with the first supporting surface 331. [

The first supporting surface 331 of the fitting groove 33 is held in contact with the horizontal frame 6 in a state where the engaging member 3 is engaged with the horizontal frame 6, The width of the mounting hole 332 corresponds to the thickness of the horizontal frame 6 and is held in contact with the rim constituting the mounting holes 611 and 621. [ The spacing surface 333 is formed so as not to be in contact with the horizontal frame 6, but extends in a widening direction to secure a clearance at the time of fitting.

The engaging member 3 is engaged with the horizontal frame 6 so that the edges of the mounting holes 611 and 621 are inserted into the fitting groove 33 so that the horizontal frame 6 is engaged by the fitting groove 33. [ At this time, the angles of the fitting grooves 33 at both ends of the engaging member 3 are also formed vertically so that both horizontal frames 6 are vertically positioned on the horizontal plane. If it is necessary to configure the horizontal frame 6 to contact the column member 5 at an angle different from the vertical direction, the angle of the fitting groove 33 must be adjusted according to the angle relationship of the horizontal frame 6. [

The upper and lower widths of the mounting holes 611 and 621 can be the same as the vertical width of the engaging member 3. In this case, the height of the horizontal frame 6 with respect to the engaging member 3 is determined by being inserted into the mounting holes 611, 621 of the engaging member 3.

When the fitting groove 33 is made to be a slit-shaped groove while the height of the engaging member 3 is made equal to the vertical width of the mounting holes 611 and 621, the angle of the both horizontal frames 6 connected by the engaging member 3 And height can be matched equally.

The fastening bolt (4) is engaged with a nut (2) mounted on the cover member to complete and stably maintain the frame structure. The fastening bolt 4 may be a generally used bolt, and preferably has a length sufficient to engage with the nut 2. So that the lifting of the horizontal frame (6) does not occur when the fastening bolts (4) are fastened. It is possible to prevent the frame supporting surface 121 from being extended if the cover member 1 is extended.

The connecting member of the table frame constructed as described above is assembled as follows.

The consumer takes out the connecting member 100 of the table frame included in the package in which the furniture is purchased and inserts the cover member 1 into the column member 5 to join them.

Next, the latching member 3 is inserted into the two horizontal frames 6. As the edges of the mounting holes 611 and 621 of the horizontal frame 6 are inserted into the fitting grooves 33 formed by the slit-shaped grooves, the angles of the both horizontal frames 6 are fixed vertically.

Next, the assembled engaging member 3 and the horizontal frame 6 are moved so that the horizontal frame 6 is brought close to the column frame while the hole formed in the latch member 3 is positioned at the position corresponding to the nut 2 do.

Next, the fastening bolt (4) is fastened to the nut (2) through the hole of the fastening member (3). The end portions of the horizontal frames 6 are brought into contact with the side surface of the column member 5 while the engaging member 3 is tightly fixed to the column member 5 by the fastening bolts 4 and the nut 2. [ At this time, an elastic pad (not shown) such as a rubber plate may be interposed between the column member 5 and the end of the horizontal frame 6. [ The connecting member 100 of the table frame thus assembled is fixed in a state as shown in Fig.

The cover body 1 can be easily assembled to the column member 5 in the form of a fitting and the nut 2 is mounted on the cover body 1 so that the nut 2 can be easily aligned .

Further, the column member 5 is not provided with a separate hole or the like for coupling with the horizontal frame 6 except the hole through which the bolt passes. Therefore, the rigidity of the column member 5 can be prevented from lowering, and the appearance can be improved.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, 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 by the appended claims.

1: Cover body
11: Body part 111: Mounting groove 112: Opening hole 113:
114: empty space 115: first contact surface 116: second contact surface 117:
12: extension part 121: frame supporting surface
2: nut 21: outer side
3:
31: protruding surface 32: depressed surface 33: fitting groove 34: through hole
331: first support surface 332: second support surface 333:
4: fastening bolt
5: column member 51: hole
6: Horizontal frame
61: first horizontal frame 611: first mounting hole
62: second horizontal frame 621: second mounting hole
100: connecting member of the table frame

Claims (6)

A connecting member for forming a corner of a frame structure by connecting a hollow pillar member and two horizontal frames adjacent to the pillar member,
A cover member mounted on an end of the pillar member,
A nut mounted on the cover body,
The one end portion is engaged with the first mounting hole formed in the first horizontal frame and the other end portion is engaged with the second mounting hole formed in the second horizontal frame,
And a fastening bolt which passes through the latching member and the pillar member and is fastened to the nut
Lt; / RTI >
Wherein,
The metal plate is formed by bending the metal plate in the shape of a letter U. The first and second mounting holes are formed at both ends of the metal plate,
A protruding surface and a depressed surface, the protruding surface having a depression at the center thereof, the protruding surface being located at a position spaced apart from the pillar member,
Wherein the fitting groove is a trapezoidal slit-shaped groove having a first supporting surface, a second supporting surface extending perpendicular to the first supporting surface, and a second inclined surface inclined obliquely from the second supporting surface, And a plurality of spaced-
The cover body
A synthetic resin is injected and molded so as to form a mounting groove in which a nut is inserted, and a body portion inserted into an end portion of the pillar member and an extension portion covering an end portion of the pillar member,
Wherein the nut is a flange nut and is inserted and assembled into the body portion,
The body part
Wherein a mounting groove in which the flange nut is inserted and assembled is formed in an upper portion from a lower portion and a wall space on both sides of the mounting groove is formed with an empty space therein, And a latching jaw is formed to prevent the flange nut from being released
Connecting member of the table frame. delete delete delete delete Hollow pillar members,
Two horizontal frames adjacent to the column member,
The connection member of the table frame according to claim 1, which forms the corner of the frame structure by connecting the column member and the horizontal frame,
A top plate placed on the cover member of the connecting member,
.

Images