bed frame

Abstract

To provide a bed frame that can be easily assembled. [Solution] In the present invention, the structure comprises two first beams (1) arranged parallel to each other in the front-to-back direction and extending to the left and right, and two second beams (2) arranged parallel to each other in the left and right direction and extending to the front-to-back direction, the two first beams (1) and the two second beams (2) are connected at their ends to form a rectangular frame structure, the first beams (1) and the second beams (2) are connected by a connecting assembly (3), the connecting assembly (3) comprises a first connecting member (31) and a second... The first connecting member (31) is installed on the first beam (1), and the second connecting member (32) is installed on the second beam (2). The first connecting member (31) is provided with a first fitting body (311), and the second connecting member (32) is provided with a second fitting body (320). The first beam (1) and the second beam (2) are connected by fitting the first fitting body (311) and the second fitting body (320) together.

Description

Technical Field

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[0001] The present invention relates to an assembled bed frame.

Background Art

[0002] A bed frame is a common piece of furniture used to support a mattress. Its main function is to provide a stable support structure for the mattress and form a bed for rest and sleep. With the rapid development of logistics and online shopping, many consumers are purchasing furniture such as bed frames by themselves. Since conventional integrated bed frames are large in size, they occupy a significant amount of space during transportation and storage. To facilitate transportation, bed frames are often made into an assembled type. By disassembling the bed frame into multiple parts such as frames and legs, and folding or inserting them, the space required for packaging can be significantly reduced, and transportation costs can be reduced (for example, see Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, existing modular bed frames are disassembled into large parts, making them easy to pack but difficult for consumers to assemble and set up. Alternatively, they are disassembled into small parts, making them easy to set up but posing challenges for packing and transport. Solid wood bed frames, in particular, are usually composed of multiple parts and require tools such as screwdrivers and wrenches for fastening. Assembly requires precise alignment of parts and ensuring all screws are securely tightened, but solid wood undergoes thermal expansion and contraction, making precise dimensional adjustments difficult, complex, and prone to errors. Furthermore, solid wood bed frames are heavy, making them difficult to carry and move, further complicating assembly. [Means for solving the problem]

[0005] Therefore, in the present invention according to claim 1, the bed frame comprises two first beams arranged parallel to each other in the front-to-back direction and extending to the left and right, and two second beams arranged parallel to each other in the left and right direction and extending to the front-to-back direction, the two first beams and the two second beams are connected at their ends to form a rectangular frame structure, the first beams and the second beams are connected by a connecting assembly, the connecting assembly comprises a first connecting member and a second connecting member, the first connecting member is installed on the first beam and the second connecting member is installed on the second beam, a first fitting body is provided on the first connecting member and a second fitting body is provided on the second connecting member, and the first beams and the second beams are connected by fitting the first fitting body and the second fitting body together.

[0006] Furthermore, in the present invention according to claim 2, in the present invention according to claim 1, the first fitting body is formed by bending first bends at both horizontal ends of the first base attached to the first beam, and is formed in an inclined shape such that the horizontal distance between the first bends at both ends gradually narrows from top to bottom, and the second fitting body is formed by bending second bends at both horizontal ends of the second base attached to the second beam, and is formed in an inclined shape such that the horizontal distance between the second bends at both ends gradually narrows from top to bottom, and the first fitting body and the second fitting body are fitted together by moving the second bend of the second fitting body from top to bottom onto the first bend of the first fitting body.

[0007] Furthermore, in the present invention according to claim 3, in the present invention according to claim 2, a first extension portion extending horizontally is formed to protrude from the lower end of the first base, and a through-type first mounting hole is formed in the first extension portion, and a second extension portion extending horizontally is formed to protrude from the lower end of the second base, and a through-type second mounting hole is formed in the second extension portion, so that when the first fitting body and the second fitting body are fitted together, the first extension portion and the second extension portion overlap vertically, and the first mounting hole and the second mounting hole align vertically, and support legs extending vertically are attached to the first mounting hole and the second mounting hole. [Effects of the Invention]

[0008] Furthermore, the present invention provides the following effects.

[0009] In other words, in the present invention, the bed frame comprises two first beams arranged parallel to each other in the front-to-back direction and extending to the left and right, and two second beams arranged parallel to each other in the left and right direction and extending to the front-to-back direction. The two first beams and the two second beams are connected at their ends to form a rectangular frame structure. The first beams and the second beams are connected by a connecting assembly, which comprises a first connecting member and a second connecting member. The first connecting member is installed on the first beam, and the second connecting member is installed on the second beam. A first fitting body is provided on the first connecting member, and a second fitting body is provided on the second connecting member. The first beams and the second beams are connected by fitting the first fitting body and the second fitting body together. This makes it easy to connect the first beams and the second beams, and to simplify the assembly of the bed frame.

[0010] In particular, the first fitting body has first bent portions formed at both horizontal ends of the first base attached to the first beam, and is formed inclined so that the horizontal distance between the first bent portions at both ends gradually narrows from top to bottom, and the second fitting body has second bent portions formed at both horizontal ends of the second base attached to the second beam, and is formed inclined so that the horizontal distance between the second bent portions at both ends gradually narrows from top to bottom, and the first fitting body and the second fitting body are fitted together by moving the second bent portion of the second fitting body from top to bottom to the first bent portion of the first fitting body, the first beam and the second beam can be easily connected by moving the first beam or the second beam from top to bottom, making the assembly of the bed frame even easier.

[0011] Furthermore, if a first extension extending horizontally is formed to protrude from the lower end of the first base, and a through-type first mounting hole is formed in the first extension, and a second extension extending horizontally is formed to protrude from the lower end of the second base, and a through-type second mounting hole is formed in the second extension, and when the first fitting body and the second fitting body are fitted together, the first extension body and the second extension body will overlap vertically, and the first mounting hole and the second mounting hole will align vertically, and support legs extending vertically will be attached to the first and second mounting holes, the connection between the first beam and the second beam can be fixed with the support legs, and the bed frame can be stably held with the support legs. [Brief explanation of the drawing]

[0012] [Figure 1] A perspective diagram illustrating the structure of the bed frame. [Figure 2] An enlarged perspective view of section A in Figure 1. [Figure 3] An exploded perspective diagram showing the structure of the connecting assembly. [Figure 4] A perspective diagram illustrating the structure of the connecting assembly. [Figure 5] A perspective diagram illustrating the structure of the bed frame. [Figure 6] An enlarged, oblique view of section B in Figure 5. [Figure 7] A perspective diagram illustrating the structure of the bed frame. [Figure 8] A perspective view illustrating the first beam. [Figure 9] A perspective view illustrating the second beam. [Modes for carrying out the invention]

[0013] Hereinafter, with reference to the accompanying drawings, the specific configuration of the bed frame according to the present invention will be described in detail. Note that the following detailed description of the drawings is for explaining the principle of the present invention and does not limit the scope of the present invention. In the following description, the longitudinal direction (the direction of the length of a person lying down) of the generally rectangular frame-shaped bed frame is taken as the front-rear direction, and the short-side direction of the bed frame orthogonal to it is taken as the left-right direction.

[0014] As shown in FIGS. 1 and 2, the bed frame F includes two first beams 1 extending in the left-right direction and arranged in parallel with a space therebetween in the front-rear direction, and two second beams 2 extending in the front-rear direction and arranged in parallel with a space therebetween in the left-right direction. The first beam 1 is shorter in length than the second beam 2.

[0015] The two first beams 1 and the two second beams 2 are connected end to end to form a rectangular frame structure. The first beam 1 and the second beam 2 are connected by a connecting assembly 3.

[0016] The connecting assembly 3 includes a first connecting member 31 and a second connecting member 32.

[0017] The first connecting member 31 is attached inside the left and right end portions of the first beam 1, and the second connecting member 32 is attached inside the front and rear end portions of the second beam 2.

[0018] A first fitting 311 is formed on the first connecting member 31, a second fitting 320 is formed on the second connecting member 32, and the first beam 1 and the second beam 2 are connected by fitting the first fitting 311 and the second fitting 320 together.

[0019] Thereby, the first beam 1 and the second beam 2 can be quickly connected. This plug-in connection greatly simplifies the assembly and enables the bed frame F to be easily assembled without the need for complex tools. Furthermore, due to the plug-in connection, the bed frame F can be easily disassembled and assembled as needed, which facilitates transportation and storage and can reduce transportation costs.

[0020] As shown in Figures 3 and 4, the first connecting member 31 comprises a first base 312, a first extension 313, and two first bent portions 314.

[0021] The first base 312 is attached to the first beam 1 and has a flat plate shape that extends vertically in the vertical direction. The first base 312 has a first through hole 3121 formed therein for connecting to the first beam 1 with fasteners such as screws.

[0022] The two first bent portions 314 are formed by bending the left and right ends (both horizontal ends) of the first base 312 to the same side (towards the front for the first connecting member 31 attached to the front first beam 1, and towards the rear for the first connecting member 31 attached to the rear first beam 1), and inclining them so that they move closer to each other.

[0023] The first base 312 and the two first bent portions 314 cooperate to form the first fitting body 311.

[0024] This first fitting body 311 has first bent portions 314 formed by bending at both horizontal ends of the first base 312 which is attached to the first beam 1, and the first bent portions 314, 314 at both ends are formed in an inclined shape such that the horizontal distance between them gradually narrows from top to bottom.

[0025] The first extension 313 is formed to protrude horizontally from the lower end of the first base 312 inward (towards the front in the case of the first connecting member 31 attached to the front first beam 1, and towards the rear in the case of the first connecting member 31 attached to the rear first beam 1).

[0026] The second connecting member 32 comprises a second base 321, a second extension 322, and two second bent portions 323.

[0027] The second base 321 is attached to the second beam 2 via a fixing plate 324 and has a flat plate shape that extends vertically in the vertical direction.

[0028] The two second bent portions 323 are formed by bending the left and right ends (both horizontal ends) of the second base 321 to the same side (forward in the case of the second connecting member 32 attached to the front side of the second beam 2, and backward in the case of the second connecting member 32 attached to the rear side of the second beam 2), and inclining them so that they move away from each other. The inclination angle of the second bent portion 323 is the same as the inclination angle of the first bent portion 314.

[0029] The second base 321 and the two second bent portions 323 work together to form the second fitting body 320.

[0030] This second fitting body 320 has second bent portions 323 formed by bending at both horizontal ends of the second base 321 which is attached to the second beam 2, and the second fitting body 320 is formed in an inclined shape such that the horizontal distance between the second bent portions 323 at both ends gradually narrows from top to bottom.

[0031] In this example, the horizontal spacing between the second bent portions 323 at both ends of the second fitting body 320 is made narrower than the horizontal spacing between the first bent portions 314 at both ends of the first fitting body 311, so that the second fitting body 320 is fitted inside the first fitting body 311. However, the horizontal spacing between the first bent portions 314 at both ends of the first fitting body 311 may be made narrower than the horizontal spacing between the second bent portions 323 at both ends of the second fitting body 320, so that the first fitting body 311 is fitted inside the second fitting body 320.

[0032] The second extension 322 is formed to protrude horizontally from the lower end of the second base 321 inward (towards the rearward side in the case of the second connecting member 32 attached to the front side of the second beam 2, and towards the frontward side in the case of the second connecting member 32 attached to the rear side of the second beam 2).

[0033] When the second fitting body 320 of the second connecting member 32 is inserted from top to bottom into the first fitting body 311 of the first connecting member 31, the two second bent portions 323 come into contact with the two first bent portions 314, the second extension portion 322 overlaps the first extension portion 313, and the first connecting member 31 and the second connecting member 32 can be connected.

[0034] This strengthens the connection between the first connecting member 31 and the second connecting member 32, preventing deformation and loosening of the bed frame F.

[0035] When a person turns over in their sleep, particularly large individuals or those with a wide range of motion, significant lateral and torsional forces are applied to the bed frame F. Conventional fixing methods (such as screws) may loosen or experience friction when subjected to rotational forces, potentially affecting sleep quality. In this embodiment of the present invention, the easily assembled bed frame F includes two first bends 314 formed by bending the left and right ends of a first base 312 to the same side and inclining them toward each other, and the first base 312 and the two first bends 314 cooperate to form a first fitting body 311. Furthermore, the second base 321 includes two second bends 323 formed by bending the left and right ends of a second base 321 to the same side and inclining them toward each other, and the second base 321 and the two second bends 323 cooperate to form a second fitting body 320. Therefore, when the second fitting body 320 of the second connecting member 32 is inserted from top to bottom into the first fitting body 311 of the first connecting member 31, the two second bent portions 323 come into contact with the two first bent portions 314, and the second extension portion 322 overlaps the first extension portion 313. This plug-in connection ensures tight contact between the first bent portion 314 and the second bent portion 323. This effectively resists the force generated when a person turns over in their sleep, preventing deformation and loosening of the bed frame F, as well as reducing noise caused by loosening, thus ensuring a quiet sleeping environment.

[0036] As shown in Figures 2 to 4, the easy-to-assemble bed frame F provided in this embodiment of the present invention also includes support legs 4 that extend vertically in the vertical direction.

[0037] The support legs 4 are attached to the first extension 313 of the first connecting member 31 and the second extension 322 of the second connecting member 32.

[0038] A mounting column 41 extending vertically in the vertical direction is provided at the upper end of the support leg 4. The first extension 313 is provided with a first mounting hole 3131 that penetrates the thickness of the first extension 313, and the second extension 322 is provided with a second mounting hole 3221 that penetrates the thickness of the second extension 322.

[0039] The mounting column 41 at the upper end of the support leg 4 is then inserted into the first mounting hole 3131 and the second mounting hole 3221. Here, the male thread formed on the mounting column 41 is screwed into the female thread formed in the second mounting hole 3221, but the male thread formed on the mounting column 41 may also be inserted through the first mounting hole 3131 and the second mounting hole 3221 and screwed with a nut.

[0040] As a result, the support legs 4 not only support components such as the first beam 1 and the second beam 2, but also fix the first connecting member 31 and the second connecting member 32, strengthening the connection between them and preventing the bed frame F from loosening.

[0041] Furthermore, as shown in Figures 2 to 4, a fixing plate 324 is provided on one side of the second base 321 (on the rear side in the case of the second connecting member 32 attached to the front side of the second beam 2, and on the front side in the case of the second connecting member 32 attached to the rear side of the second beam 2).

[0042] This fixing plate 324 is composed of a first metal plate 3241, a second metal plate 3242, and a third metal plate 3243, all of which are integrally molded.

[0043] The first metal plate 3241 and the third metal plate 3243 are arranged perpendicularly and parallel to each other, and the first metal plate 3241 and the third metal plate 3243 are connected by a second metal plate 3242 which is arranged horizontally.

[0044] The first metal plate 3241 and the third metal plate 3243 have second through holes 3244 formed therein for connecting to the second beam 2 with fasteners such as screws.

[0045] As a result, the integrally molded first metal plate 3241, second metal plate 3242, and third metal plate 3243 form a stable support frame that can firmly support the second beam 2.

[0046] When a person lies down on the bed, the bed frame F is subjected to downward pressure in the vertical direction. However, with the above configuration, the fixing plate 324 effectively distributes and transmits this pressure, preventing structural damage or deformation due to excessive force at a single point.

[0047] As shown in Figure 2, the second beam 2 comprises a plate-shaped main beam body 21 that extends in the front-rear direction, and a projection 22 that is integrated with the main beam body 21 and protrudes inward.

[0048] The projection 22 extends along the length of the main beam body 21, and its front and rear ends are supported by the second metal plate 3242 of the second connecting member 32.

[0049] As shown in Figure 7, multiple rectangular floorboards 9 extending to the left and right are attached to the two parallel second beams 2. The left and right ends of the floorboards 9 are fixed to two parallel protrusions 22 by clips 91.

[0050] In this embodiment, a height difference is provided between the upper end surface of the projection 22 and the upper end surface of the main beam body 21. The upper end surface of the projection 22 is located at a lower position than the upper end surface of the main beam body 21. When the floorboard 9 is fixed to the projection 22, the upper end surface of the floorboard 9 is located at the same position as or below the upper end surface of the main beam body 21.

[0051] This not only makes the overall structure of the bed frame F more compact, but also improves space utilization efficiency. Furthermore, since the bed frame F comes into frequent contact with the human body, it is important to avoid sharp or protruding edges. The bed base 9, a main component of the bed frame F, could cause injuries such as scratches or collisions to the user if it is poorly designed and both ends protrude excessively. In the above structure, by fixing the bed base 9 to the protruding portion 22 below the upper end surface of the main beam body 21, the safety risk of injury due to excessive protrusion of the bed base 9 is significantly reduced.

[0052] Conventionally, to install a support beam 7 to support the central part of the floorboard 9 from below, it is necessary to precisely align the screw holes of the support beam 7 with the screw holes of the first beam 1 and tighten the screws to fix the two together as one unit. However, when installing the bed frame F and gripping one end of the support beam 7, the center of gravity of the support beam 7 is usually located at or near the geometric center of the support beam 7, not at the gripped end. Therefore, the weight of the support beam 7 generates a moment around the gripping point. This moment tends to rotate the support beam 7 around the gripping point until the center of gravity of the support beam 7 reaches its lowest point (i.e., until the support beam 7 tilts and one end touches the ground). To counteract this moment and keep the support beam 7 horizontal, a moment equal in magnitude to the moment of gravity but in the opposite direction is required. However, because the position of the gripping point is fixed and the area is limited, it is difficult to add such a moment, especially without additional support devices or auxiliary tools. Therefore, it becomes difficult to maintain the horizontal position of the support beam 7, and it becomes difficult to align the screw holes of the support beam 7 with the screw holes of the first beam 1. If the screw holes of the support beam 7 and the first beam 1 are not aligned, it becomes difficult to tighten the screws, or they may not be tightened to a sufficient depth, which reduces the stability of the bed frame F.

[0053] As shown in Figures 5-7, the support beam 7 of the bed frame F is positioned along the longitudinal direction of the second beam 2 and connected to the two front and rear first beams 1 via a connecting assembly 8.

[0054] The connecting assembly 8 comprises a first connecting member 81 provided at both ends of the support beam 7 and a second connecting member 82 provided on the first beam 1.

[0055] The first connecting member 81 can be inserted into the second connecting member 82 from top to bottom.

[0056] This design not only enhances the sturdiness of the bed frame F, but also reduces the difficulty of assembly, allowing the user to quickly assemble the support beam 7 to the first beam 1.

[0057] The second connecting member 82 is provided with a third fitting body 821 that gradually narrows in width vertically from top to bottom.

[0058] When the support beam 7 and the first beam 1 are assembled, the first connecting member 81 fits into the third fitting body 821 of the second connecting member 82, and the side wall of the first connecting member 81 contacts the side wall of the second connecting member 82.

[0059] This design eliminates the need for the complex procedure of aligning screw holes, and the support beam 7 and the first beam 1 can be connected and fixed simply by inserting them, thus reducing the complexity of assembly.

[0060] In the bed frame F described above, both the first beam 1 and the second beam 2 are made as extruded parts.

[0061] This reduces the overall weight of the bed frame F, and also lowers transportation costs.

[0062] As shown in Figures 8 and 9, the left and right ends of the first beam 1 are provided with first end caps 5, of which at least a portion is inserted into the first beam 1. The front and rear ends of the second beam 2 are provided with second end caps 6, of which at least a portion is inserted into the second beam 2.

[0063] Specifically, the first end cap 5 is provided with a plurality of first connection holes 51, and the second end cap 6 is provided with a plurality of second connection holes 61.

[0064] The multiple first connection holes 51 correspond one-to-one with the multiple first through holes 3121 on the first base 312 through which fasteners pass, and the multiple second connection holes 61 correspond one-to-one with the multiple second through holes 3244 on the fixing plate 324 through which fasteners pass.

[0065] The bed frame F can then be easily assembled as described below.

[0066] Step 1: The footboard assembly is formed by inserting the two first end caps 5 into the left and right ends of the first beam 1, fixing the first connecting member 31 to the left and right ends of the first beam 1 with screws, and fixing the second connecting member 82 to the center of the first beam 1 with screws.

[0067] Step 2: The sideboard assembly is formed by inserting the two second end caps 6 into the front and rear ends of the second beam 2 and securing the second connecting members 32 to the front and rear ends of the second beam 2 with screws.

[0068] Step 3: Insert the sideboard assembly into the two parallel footboard assemblies from top to bottom. Repeat this procedure to insert the other sideboard assembly into the two parallel footboard assemblies from top to bottom. Next, form the bed frame body by inserting the support beam 7 into the two parallel footboard assemblies from top to bottom.

[0069] Step 4: Lift the bed frame body from Step 3, screw the corresponding support legs 4 into the four corners of the bed frame body and the center of the support beam 7, position the bed frame body horizontally, and finally, place the bed base 9 and secure it to the corresponding holes in the second beam 2 using the clips 91. This completes the assembly of the bed frame F. Steps 1 and 2 can be completed at the factory, and steps 3 and 4 can be completed by the user, thus reducing the difficulty of assembly by the user.

[0070] As described above, the bed frame F comprises two first beams 1 arranged parallel to each other in the front-to-back direction and extending to the left and right, and two second beams 2 arranged parallel to each other in the left and right direction and extending to the front-to-back direction. The two first beams 1 and the two second beams 2 are connected at their ends to form a rectangular frame structure. The first beams 1 and the second beams 2 are connected by a connecting assembly 3, which comprises a first connecting member 31 and a second connecting member 32. The first connecting member 31 is installed on the first beam 1, and the second connecting member 32 is installed on the second beam 2. The first connecting member 31 is provided with a first fitting body 311, and the second connecting member 32 is provided with a second fitting body 320. The first beams 1 and the second beams 2 are connected by fitting the first fitting body 311 and the second fitting body 320 together.

[0071] Therefore, in the bed frame F with the above configuration, the first beam 1 and the second beam 2 can be easily connected, making the assembly of the bed frame F easier.

[0072] Furthermore, in the bed frame F described above, the first fitting body 311 has first bent portions 314 formed at both horizontal ends of the first base 312 attached to the first beam 1, and is formed in an inclined shape so that the horizontal distance between the first bent portions 314 at both ends gradually narrows from top to bottom. The second fitting body 320 has second bent portions 323 formed at both horizontal ends of the second base 321 attached to the second beam 2, and is formed in an inclined shape so that the horizontal distance between the second bent portions 323 at both ends gradually narrows from top to bottom. The first fitting body 311 and the second fitting body 320 are fitted together by moving the second bent portion 323 of the second fitting body 320 from top to bottom into the first bent portion 314 of the first fitting body 311.

[0073] Therefore, in the bed frame F with the above configuration, the first beam 1 and the second beam 2 can be easily connected by moving either the first beam 1 or the second beam 2 from above to below, making the assembly of the bed frame F even easier.

[0074] Furthermore, the bed frame F has a first extension 313 projecting horizontally from the lower end of the first base 312, with a through-type first mounting hole 3131 formed in the first extension 313, and a second extension 322 projecting horizontally from the lower end of the second base 321, with a through-type second mounting hole 3221 formed in the second extension 322. When the first fitting body 311 and the second fitting body 320 are fitted together, the first extension 313 and the second extension 322 overlap vertically, and the first mounting hole 3131 and the second mounting hole 3221 align vertically. Support legs 4 extending vertically are attached to the first mounting hole 3131 and the second mounting hole 3221.

[0075] Therefore, in the bed frame F with the above configuration, the connection between the first beam 1 and the second beam 2 can be fixed with the support legs 4, and the bed frame F can be stably held by the support legs 4. [Explanation of Symbols]

[0076] 1. First beam 2. Second beam 21 Main beam body 22 Projection part 3 Connecting Assembly 31 First Connecting Member 311 First mating body 312 First base 3121 First through hole 313 First extension 3131 First mounting hole 314 First bend 32 Second connecting member 320 Second fitting body 321 Second base 322 Second extension 3221 Second mounting hole 323 Second bend 324 Fixing plate 3241 First metal plate 3242 Second metal plate 3243 Third metal plate 3244 Second through hole 4 Support legs 41 Mounting post 5 First end cap 51 First connection hole 6 Second end cap 61 Second connection hole 7 Support beam 8 Connection assembly 81 First connecting member 82 Second connecting member 821 Third fitting body 9 floorboards 91 clips F Bed Frame

Claims

1. It comprises two first beams arranged parallel to each other in the front-to-back direction and extending to the left and right, and two second beams arranged parallel to each other in the left and right direction and extending to the front-to-back direction. The two first beams and the two second beams are connected at their ends to form a rectangular frame structure. The first beam and the second beam are connected by a connecting assembly. The connecting assembly comprises a first connecting member and a second connecting member, The first connecting member is installed on the first beam, and the second connecting member is installed on the second beam. A bed frame characterized in that a first fitting body is provided on a first connecting member, a second fitting body is provided on a second connecting member, and the first beam and the second beam are connected by fitting the first fitting body and the second fitting body together.

2. The first fitting body is formed by bending first bends at both horizontal ends of the first base which is attached to the first beam, and is formed in an inclined shape such that the horizontal distance between the first bends at both ends gradually narrows from top to bottom. The second fitting body has second bent portions formed at both horizontal ends of the second base which is attached to the second beam, and is formed in an inclined shape such that the horizontal distance between the second bent portions at both ends gradually narrows from top to bottom. The bed frame according to claim 1, characterized in that the first fitting body and the second fitting body are fitted together by moving the second bent portion of the second fitting body from above to below the first bent portion of the first fitting body.

3. A first extension is formed to protrude horizontally from the lower end of the first base, and a through-type first mounting hole is formed in the first extension. A second extension is formed to protrude horizontally from the lower end of the second base, and a through-type second mounting hole is formed in the second extension. The bed frame according to claim 2, characterized in that when the first fitting body and the second fitting body are fitted together, the first extension and the second extension overlap vertically, the first mounting hole and the second mounting hole align vertically, and support legs extending vertically are attached to the first and second mounting holes.

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