TWM547320U - Metal frame - Google Patents

Description

metal frame

The present invention relates to a frame, and more particularly to a metal frame that can be used as a skeleton for furniture such as tables, chairs, cabinets, and the like.

Modern people like to assemble their own furniture and enjoy DIY fun. At present, items such as tables, chairs or cabinets that can be assembled on the market are usually made of wood. Several wood rods can be connected by means of inlaid cards. A frame that constitutes a table, a chair, and the like. Since the wood itself has deformable elasticity, it can be squeezed or plugged by force to clamp and bond the parts for mutual engagement.

However, the connection between metal rods is known to be mainly screw or welding. Therefore, when a metal frame table, a chair or a cabinet is used, it is necessary to assemble and join several metal frame strips of the metal frame by means of a screw lock, but it is very inconvenient and time consuming to assemble by screwing one by one, and if Further, when it is necessary to match the welding, it is more disadvantageous for the convenience of the DIY assembly of the public, so it is necessary to improve the combined structure of the metal frame.

Therefore, the object of the present invention is to provide a metal frame that can be assembled by means of an inset card and is easy to assemble.

Thus, the novel metal frame includes at least one frame unit, the at least one frame unit including a first metal rod, a second metal rod, and a third metal rod. The first metal rod has a first engaging portion and a first auxiliary engaging portion. The second metal rod has a second engaging portion that is tightly coupled to the first engaging portion. The third metal rod has a third engaging portion that is tightly coupled to the second engaging portion and the first auxiliary engaging portion.

The utility model has the advantages that the metal rods can be combined by the clamping method by the structure of the snap joints on the metal rods, because the metal frame of the present invention is a screwless, solderless card-insertion assembly frame. A fairly innovative and practical design on the metal frame. The new type is quite convenient and time-saving in assembly, so that it is convenient for consumers to assemble themselves and enjoy DIY fun.

Referring to Figures 1, 2, and 3, an embodiment of the present metal frame can be used as a frame, a chair, or a cabinet such as a cabinet. In this embodiment, a frame of a table is taken as an example, and the metal is The frame can be placed on top of a table, not shown, to form the table. The metal frame of this embodiment is a quadrilateral frame and comprises two frame units 1 and two connecting rods 2 for joining the frame units 1.

Each of the frame units 1 of the present embodiment includes a first metal rod 3, a second metal rod 4 and a third metal rod 5. The extending directions of the two metal rods 3, 4, and 5 are perpendicular to each other, wherein the first metal rod 3 is an upright extension, and the second metal rod 4 and the third metal rod 5 are horizontally extended, and wherein One extends left and right and the other extends forward and backward.

The first metal rod 3 includes a first surrounding wall 31 defining a vertically extending first space 30. The first surrounding wall 31 has a quadrangular cross section and has two first and second spaced apart first wall portions 311. a second wall portion 312 spaced apart from each other between the two sides of the first wall portion 311, a first engaging portion 313 formed on one of the first wall portions 311, and a formation a first auxiliary snap portion 314 on one of the second wall portions 312. The first engaging portion 313 has a square through hole 315 extending through the inner wall surface and the outer wall surface of the first surrounding wall 31 and communicating with the first space 30. The shape of the through hole 315 and the second metal rod 4 The quadrilateral peripheral contours cooperate to allow the second metal rod 4 to be tightly inserted. The first auxiliary latching portion 314 has a recess 316 recessed from the top surface of the second wall portion 312 toward the bottom surface thereof and communicating with the first space 30, and two opposite sides of the recess 316 are spaced apart from each other. Slot sidewall region 317.

The second metal rod 4 includes a second surrounding wall 41 defining a horizontally extending second space 40. The second surrounding wall 41 has a second engaging portion 411 at one end thereof. The second engaging portion The 411 is formed in the first engaging portion 313 and is tightly coupled to the first engaging portion 313 . The second engaging portion 411 is inserted into the first space 30 from the outer side of the first wall portion 311 of the first metal rod 3 on which the first engaging portion 313 is formed. The second latching portion 411 has a slot 412 extending through the inner wall surface and the outer wall surface of the second surrounding wall 41 and communicating with the second space 40. The slot 412 corresponds to the recess of the first auxiliary latching portion 314. Slot 316 position.

The third metal rod 5 includes a third surrounding wall 51 defining a horizontally extending third space 50. The third surrounding wall 51 has a third engaging portion 511 at one end thereof, and the third engaging portion The second engaging portion 411 and the first auxiliary engaging portion 314 are tightly coupled to each other. When the third engaging portion 511 is assembled, the recess 316 and the second portion of the first auxiliary latching portion 314 are inserted into the first space 30 from the first metal rod 3 and the card slot 412. The card slot 412 of the latching portion 411. The third engaging portion 511 has a protruding portion 512 extending into the slot 412 of the second engaging portion 411, and a side connected to the protruding portion 512 and narrowed relative to the protruding portion 512 The card block 513 is located in the recess 316 and is sandwiched by the slot sidewall regions 317 to be closely engaged with the slot sidewall regions 317.

Further, the second metal rod 4 of each of the frame unit 1 of the embodiment further has another second engaging portion 411, and the third metal rod 5 further has another third engaging portion 511. The other second engaging portion 411 and the other third engaging portion 511 are respectively closely engaged with the connecting rods 2 . That is, the number of the second engaging portions 411 of each of the second metal rods 4 of the embodiment is two, and is disposed on opposite sides of the second metal rod 4, and the third metal rod 5 is The number of the three latching portions 511 is also two, and is disposed on opposite sides of the third metal rod 5.

Each of the engagement bars 2 of the present embodiment is located between the second metal rod 4 of one of the frame units 1 and the third metal rod 5 of the other of the frame units 1. The structure of each of the connecting rods 2 is the same as that of the first metal rod 3, and each of the connecting rods 2 includes a fourth surrounding wall 21 defining a fourth space 20 extending upright, the fourth surrounding wall 21 having a The fourth engaging portion 211 having the same structure as the first engaging portion 313 and the second auxiliary engaging portion 212 having the same structure as the first auxiliary engaging portion 314. The fourth engaging portion 211 of each of the connecting rods 2 is used for inserting and engaging another second engaging portion 411 of the second metal rod 4 of one of the frame units 1 , and the second auxiliary connecting portion 212 The other third engaging portion 511 for the third metal rod 5 of the other frame unit 1 is snap-fitted, whereby the effect of joining the frame units 1 by the connecting rods 2 can be achieved.

When the present invention is assembled, the second engaging portions 411 of each of the second metal rods 4 are horizontally inserted into the first space 30 of the first metal rod 3 and the fourth space 20 of the connecting rod 2, respectively. The second engaging portion 411 is respectively engaged with the first engaging portion 313 of the first metal rod 3 and the fourth engaging portion 211 of the connecting rod 2 . After the second metal rod 4 is assembled with the first metal rod 3, one of the third engaging portions 511 of the third metal rod 5 is inserted downward from above the first metal rod 3, so that the third engaging portion is inserted. The 511 insert is coupled to the recess 316 of the first auxiliary latching portion 314 and the latching slot 412 of the second latching portion 411. In the same manner, the other third engaging portion 511 of the third metal rod 5 is inserted downward from the connecting rod 2, so that the other third engaging portion 511 is snap-fitted to the connecting rod 2 . The second auxiliary engaging portion 212 is coupled to the second engaging portion 411 of the second metal rod 4 of the other frame unit 1. The joint structure and manner between the second metal rod 4 and the connecting rod 2 is the same as that of the second metal rod 4 and the first metal rod 3, and the third metal rod 5 and the connecting rod 2 are the same. The joint structure and manner between the third metal rod 5 and the first metal rod 3 are the same. Therefore, the present invention facilitates the joint between the members through the card-incorporating structure on the metal members, and the combination is stable.

Among them, since the metal itself is less elastic (for example, unlike wood, which has deformable elasticity), the metal cannot be slightly deformed by extrusion to form a locking relationship, so the snap-fit structure on the metal rod needs to be quite accurate. Processing, in order to achieve the metal rust-proof function, and with the effect of beautifying the appearance of the metal, the metal surface may additionally form a baking varnish, so the design of the snap-fit structure must also take into account the thickness of the paint, through fine, meticulous design and manufacturing methods. In order to complete the card-incorporated structure, the technical requirements of the metal frame of the present invention are relatively high.

In addition, the spirit of the present invention is to improve the joint structure between the three metal rods 3 to 5 in the three-dimensional direction. As for the metal frame constructed by the present invention, it is not necessary to define the frame of any object, and any Supplies, furniture, cabinets, etc. that require the use of metal frames are the protection and application of this new type. Moreover, the frame structure is not limited to the quadrilateral disclosed in the embodiment, and for example, a triangle or other polygonal frame may be formed by appropriate design. The first space 30, the second space 40 and the third space 50 can be used for the passage of wires not shown in the figure to achieve the purpose of configuring the circuit. For example, when the present invention is used as a frame of a conference table, the conference table can be combined. There is a microphone and a loudspeaker, so that a space and a pipe for the arrangement of items such as a microphone, a microphone, and the like are formed in the metal frame, which is convenient to use.

In summary, the metal rods 3 to 5 can be combined by the clamping method by the structure of the engaging portions on the metal rods 3 to 5, and the second metal rod 4 and the first metal are assembled first. The rod 3 is inserted and inserted, and the third metal rod 5 is simultaneously inserted into the first metal rod 3 and the second metal rod 4, and assembled and coupled to the connecting rod 2, and the assembly is completed. Since the metal frame of the present invention is a screwless, solderless card-incorporated assembly frame, the assembly is quite convenient and time-saving, so that the consumer can easily assemble himself and enjoy DIY fun.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧Box unit
2‧‧‧Connecting rod
20‧‧‧ fourth space
21‧‧‧Fourth wall
211‧‧‧ fourth card joint
212‧‧‧Second auxiliary card joint
3‧‧‧First metal rod
30‧‧‧First space
31‧‧‧First wall
311‧‧‧First wall
312‧‧‧ Second wall
313‧‧‧First card joint
314‧‧‧First Auxiliary Card Joint
315‧‧‧Perforation
316‧‧‧ Groove
317‧‧‧Slot wall area
4‧‧‧Second metal rod
40‧‧‧Second space
41‧‧‧Second wall
411‧‧‧Second card joint
412‧‧‧ card slot
5‧‧‧ Third metal rod
50‧‧‧ third space
51‧‧‧ Third wall
511‧‧‧ Third card joint
512‧‧‧ protruding section
513‧‧‧ card block

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a perspective view of an embodiment of the present metal frame; Figure 2 is a A complete partial exploded view; and Figure 3 is an incomplete top plan view of the embodiment.

1‧‧‧Box unit

3‧‧‧First metal rod

30‧‧‧First space

31‧‧‧First wall

311‧‧‧First wall

312‧‧‧ Second wall

4‧‧‧Second metal rod

40‧‧‧Second space

41‧‧‧Second wall

411‧‧‧Second card joint

412‧‧‧ card slot

5‧‧‧ Third metal rod

313‧‧‧First card joint

314‧‧‧First Auxiliary Card Joint

315‧‧‧Perforation

316‧‧‧ Groove

317‧‧‧Slot wall area

51‧‧‧ Third wall

511‧‧‧ Third card joint

512‧‧‧ protruding section

513‧‧‧ card block

Claims (7)

A metal frame comprising: at least one frame unit, the at least one frame unit comprising: a first metal rod having a first snap portion and a first auxiliary snap portion; and a second metal rod having a a second engaging portion that is tightly coupled to the first engaging portion; and a third metal rod having a second snap-fit portion and the first auxiliary engaging portion are closely coupled to each other The third card joint. The metal frame of claim 1, wherein the first metal rod includes a first surrounding wall defining a first space, the first surrounding wall having the first engaging portion and the first auxiliary card The first engaging portion has a through hole penetrating the inner wall surface and the outer wall surface of the first surrounding wall and communicating with the first space, and the second engaging portion extends through the first engaging portion. The metal frame of claim 2, wherein the first metal rod extends up and down, the first surrounding wall has two spaced apart first wall portions, and two spaced apart and connected to the first wall portions a second wall portion of the two sides, the first engaging portion is formed on one of the first wall portions, and the first auxiliary engaging portion is formed on one of the second wall portions, the first The second metal rod extends horizontally and includes a second surrounding wall defining a second space, the second surrounding wall has the second engaging portion, and the second engaging portion is formed from the first metal rod The outer side of the first wall portion of the first engaging portion is inserted inwardly into the first space. The metal frame of claim 3, wherein the first auxiliary engaging portion has a recess recessed from a top surface of the second wall portion toward a bottom surface thereof and communicating with the first space, the second engaging portion having a card slot extending through the inner wall surface and the outer wall surface of the second surrounding wall and communicating with the second space, and the card slot corresponds to the position of the first auxiliary latching portion, the third snapping of the third metal rod The portion extends from the upper side of the first metal rod into the first space and is engaged with the groove of the first auxiliary engaging portion and the card slot of the second engaging portion. The metal frame of claim 4, wherein the first auxiliary snap portion further has two slot sidewall regions spaced apart from each other on opposite sides of the recess, the third metal rod extending horizontally and including a third surrounding wall defining a third space, the third surrounding wall is formed with the third engaging portion, and the third engaging portion has a protruding portion of the slot extending into the second engaging portion And a card block connected to one side of the protruding section and narrowed relative to the protruding section, the card block being located in the groove and closely engaging with the groove side wall area. The metal frame according to claim 1 is a quadrangular frame and includes two of the frame units, and two connecting rods for connecting the frame units, the second of each of the frame units The metal rod further has another second engaging portion, the third metal rod of each of the frame units further has another third engaging portion, and the other second engaging portion and the other third engaging portion Do not tightly engage the card with these adapters. The metal frame according to claim 6 is a frame of a table or a frame of a chair, the connecting rods and the first metal rods extend upright, and the second metal rods and the third metal rods are Extend horizontally.