Foldable bed frame and folding bed

Abstract

The utility model discloses a foldable bed frame and a foldable bed, and aims to solve the problem that in the prior art, a bed frame is designed into independent parts in order to facilitate transportation of the foldable bed frame, so that the foldable bed frame is very troublesome to assemble. The technical problem is solved through the following technical scheme: a main body frame and a middle bracket are included; the main body frame comprises two main body transverse rods arranged at the two ends in the length direction and two main body vertical rods arranged at the two ends in the width direction, and the main body transverse rods and the main body vertical rods can be folded in half; the main body cross rod or the main body vertical rod is rotationally connected with the right-angle connecting piece; right-angle bed legs are detachably arranged on the right-angle connecting pieces; the middle support comprises a middle supporting leg, a middle vertical rod connected with the main body transverse rod and a middle transverse rod connected with the main body vertical rod, and a plurality of supporting plate assemblies are arranged between the main body vertical rod and the middle vertical rod.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, and more specifically, to a foldable bed frame and a folding bed. Background Art

[0002] As an essential piece of furniture, the bed has the problems of inconvenient transportation and difficult handling due to its large volume. Therefore, in view of the above problems, various foldable bed frames have been invented. The existing bed frames usually disassemble the bed frame into independent components to facilitate transportation. However, although the above bed frames can solve the problem of difficult handling, when actually used, it is laborious to assemble each independent component, seriously affecting the assembly efficiency. Summary of the Utility Model

[0003] The utility model overcomes the problem that the existing foldable bed frame is designed as independent components for convenient transportation but is very troublesome to assemble. It provides a foldable bed frame whose main frame can be quickly assembled, improving the assembly efficiency, and when in the folded state, the folding degree is very high.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: A foldable bed frame includes: a main frame and an intermediate support.

[0005] The main frame includes two main crossbars arranged at both ends in the length direction and two main vertical bars arranged at both ends in the width direction. The main crossbars and the main vertical bars can be folded in half. The main crossbar or the main vertical bar is rotatably connected to a right-angle connector. A right-angle bed foot is detachably arranged on the right-angle connector.

[0006] The intermediate support includes intermediate legs, an intermediate vertical bar connected to the main crossbar, and an intermediate crossbar connected to the main vertical bar. A plurality of support plate assemblies are arranged between the main vertical bar and the intermediate vertical bar.

[0007] The foldable bed frame in this application includes two parts, namely the main frame and the intermediate frame. The main frame is the peripheral frame, and the intermediate bracket is arranged inside the main frame and cooperates with the main frame to improve the supporting ability of the main frame. The main frame is composed of two main crossbars and two main vertical bars in total. The main crossbars and the main vertical bars are connected by corner connectors, making the overall main frame a rectangular structure. And since the main vertical bars and the main crossbars can be folded in half, when the bed frame needs to be folded, the main vertical bars can be folded first, and then the main crossbars can be folded, so that the volume after folding can be smaller. When assembling the foldable bed frame, the main frame in the folded state can be directly unfolded, and then the intermediate part can be installed inside the main frame. After that, the support plate assembly can be installed between the main vertical bars and the intermediate vertical bars to complete the assembly of the bed frame. The assembly process of the main frame is omitted, thereby improving the assembly efficiency.

[0008] Preferably, a main installation groove is provided on the side of the main vertical bar facing the intermediate vertical bar, and an intermediate installation groove is provided on the side of the intermediate vertical bar facing the main vertical bar. The two ends of the support plate assembly are respectively arranged in the intermediate installation groove and the main installation groove.

[0009] The support plate assembly is installed by cooperating with the main installation groove and the intermediate installation groove, and there is no need to use bolts to fix the support plate assembly, which has the characteristic of convenient installation.

[0010] Preferably, the support plate assembly includes a keel plate and end clips arranged at both ends of the keel plate. End clips are provided with end clip strips that cooperate with the intermediate installation groove and the main installation groove, and barbs are provided on the end clip strips.

[0011] The barbs can be hooked on the intermediate installation groove or the main installation groove. And because the elastic piece has a certain elasticity, through the action of the elastic force of the elastic piece, the end clip strip can be positioned in the intermediate installation groove or the main installation groove, thereby preventing the support plate assembly from shifting in the intermediate installation groove or the main installation groove.

[0012] Preferably, the main vertical bar includes a first vertical bar, a second vertical bar and a vertical bar support member. A vertical bar leg is fixedly arranged on the vertical bar support member. The first vertical bar and the second vertical bar are rotatably connected to the vertical bar support member. When the main frame is in the unfolded state, the first vertical bar, the second vertical bar and the vertical bar leg are perpendicular to each other.

[0013] When the main frame needs to be folded, the first vertical bar and the second vertical bar can be rotated towards the direction close to the vertical bar leg, so that the first vertical bar and the second vertical bar are attached to both sides of the vertical bar leg, making the overall length of the main vertical bar half shorter than before.

[0014] Preferably, when the main frame is in the unfolded state, the first vertical rod and the second vertical rod cooperate to form a vertical rod groove, one end of the middle cross rod is rotatably connected to the middle bracket, and the other end of the middle cross rod is arranged in the vertical rod groove.

[0015] The vertical rod groove enables the end of the middle cross rod to be exactly installed in the vertical rod groove, and the first vertical rod and the second vertical rod are located on both sides of the middle cross rod, playing a role in limiting the middle cross rod.

[0016] Preferably, the main cross rod includes a first cross rod, a second cross rod and a cross rod connecting piece, and both ends of the cross rod connecting piece are rotatably connected to the first cross rod and the second cross rod respectively.

[0017] When the main frame needs to be folded, the cross rod connecting piece can be moved towards the middle bracket, so that the first cross rod and the second cross rod are attached together after folding, shortening the length of the main cross rod by half.

[0018] Preferably, the middle bracket is provided with a support part and a connecting side piece perpendicular to the support part. The end of the middle vertical rod far from the main cross rod abuts against the support part and is fixedly connected to the connecting side piece by bolts.

[0019] The support part plays a supporting role for the middle vertical rod, and the connecting side piece can be fixedly connected to the middle vertical rod by bolts.

[0020] Preferably, a middle leg is provided at one end of the middle vertical rod far from the middle bracket.

[0021] The middle leg can play a supporting role for the middle part of the main cross rod and play a stable supporting role for the unfolded main frame.

[0022] Preferably, there are two groups of middle vertical rods, and the two groups of middle vertical rods are respectively connected to the main cross rods at both ends, and each group is provided with two middle vertical rods.

[0023] Since there are two groups of middle vertical rods, and there are two middle vertical rods in each group, one middle vertical rod on each side of the main vertical rod can correspond to it, so that both ends of the support plate assembly are arranged in the middle installation groove and the main installation groove respectively.

[0024] The present application also provides a folding bed, which includes the above-mentioned foldable bed frame and also includes a backrest arranged at one end in the length direction of the main frame.

[0025] By cooperating with backrests of different structures at the end of the main frame, different types of backrests can be adapted according to the preferences of different customers.

[0026] Compared with the prior art, the beneficial effects of the present utility model are:

[0027] The foldable bed frame in the present utility model includes two parts, namely the main frame and the middle frame. The main frame is the peripheral frame, and the middle frame is arranged inside the main frame and cooperates with the main frame to improve the supporting ability of the main frame. The main frame is composed of two main crossbars and two main vertical bars in total. The main crossbars and the main vertical bars are connected by angle connectors, making the overall main frame a rectangular structure. And since the main vertical bars and the main crossbars can be folded in half, when the bed frame needs to be folded, the main vertical bars can be folded first, and then the main crossbars can be folded, so that the volume after folding can be smaller. When assembling the foldable bed frame, the main frame in the folded state can be directly opened, and then the middle frame is installed inside the main frame, and then the support plate assembly is installed between the main vertical bars and the middle vertical bars, and the assembly of the bed frame can be completed. The assembly process of the main frame is omitted, thereby improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the three-dimensional structure diagram of the present utility model when assembled.

[0029] Figure 2 is the structure diagram of the present utility model when the middle vertical bar is disassembled.

[0030] Figure 3 is the structure diagram of the present utility model when the disassembly of the middle vertical bar is completed.

[0031] Figure 4 is the three-dimensional structure diagram of the main frame of the present utility model.

[0032] Figure 5 is the three-dimensional structure diagram of the support plate assembly of the present utility model.

[0033] Figure 6 is the three-dimensional structure diagram of the main frame of the present utility model after folding.

[0034] Figure 7 is the three-dimensional structure diagram of the present utility model when the bedside table backrest is installed.

[0035] Figure 8 is the three-dimensional structure of the present utility model when a common backrest is installed.

[0036] In the figure: 1. Main crossbar, 11. First crossbar, 12. Second crossbar, 13. Crossbar connector;

[0037] 2. Main vertical bar, 21. First vertical bar, 22. Second vertical bar, 23. Vertical bar support, 231. Vertical bar leg, 232. Vertical bar groove, 24. Main installation groove;

[0038] 3. Right-angle connector, 31. Bed foot hole, 32. Cabinet hole;

[0039] 4. Right-angle bed feet;

[0040] 5. Intermediate legs, 51. Support part, 52. Connecting side plate;

[0041] 6. Intermediate vertical rod, 61. Middle leg, 62. Intermediate installation groove;

[0042] 7. Intermediate cross bar;

[0043] 8. Support plate assembly, 81. Keel plate, 82. End fastener, 83. End strip, 831. Barbed part, 832. Elastic piece;

[0044] 9. Bedside table backrest, 91. Long leg, 92. Short leg;

[0045] 10. Ordinary backrest, 101. Backrest leg. Detailed implementation mode

[0046] The technical solution of the present utility model will be further specifically described below through specific embodiments in conjunction with the accompanying drawings:

[0047] Embodiment 1: Refer to Figures 1 to 6 As shown, a foldable bed frame includes: a main frame and an intermediate support;

[0048] The main frame includes two main cross bars 1 arranged at both ends in the length direction and two main vertical bars 2 arranged at both ends in the width direction. The main cross bars 1 and the main vertical bars 2 can be folded in half, and the main cross bar 1 or the main vertical bar 2 is rotatably connected to the right-angle connector 3; a right-angle bed foot 4 is detachably arranged on the right-angle connector 3;

[0049] The intermediate support includes an intermediate leg, an intermediate vertical rod 6 connected to the main cross bar 1, and an intermediate cross bar 7 connected to the main vertical bar 2. A plurality of support plate assemblies 8 are arranged between the main vertical bar 2 and the intermediate vertical rod 6.

[0050] The foldable bed frame in this application includes two parts, namely the main frame and the middle frame. The main frame is the peripheral frame, and the middle support is arranged inside the main frame and cooperates with the main frame to improve the support capacity of the main frame. The main frame is composed of two main crossbars 1 and two main vertical bars 2 in total. The main crossbars 1 and the main vertical bars 2 are connected by corner connectors, making the overall main frame a rectangular structure. And because the main vertical bars 2 and the main crossbars 1 can be folded in half, when the bed frame needs to be folded, the main vertical bars 2 can be folded first, and then the main crossbars 1 can be folded, so that the volume after folding can be smaller. When assembling the foldable bed frame, the main frame in the folded state can be directly unfolded, and then the middle support is installed inside the main frame, and then the support plate assembly 8 is installed between the main vertical bars 2 and the middle vertical bars 6, and the assembly of the bed frame can be completed. The assembly process of the main frame is omitted, thereby improving the assembly efficiency.

[0051] Embodiment 2: Refer to Figures 1 to 6 As shown, a foldable bed frame includes: a main frame and a middle support. The overall structure of the main frame is rectangular. The main frame and the middle support are two independent parts. When the main frame is in the unfolded state, the middle support is arranged inside the main frame.

[0052] The main frame includes two main crossbars 1 arranged at both ends in the length direction and two main vertical bars 2 arranged at both ends in the width direction. The main crossbars 1 and the main vertical bars 2 can be folded in half. When the main frame needs to be folded, the main crossbars 1 and the main vertical bars 2 can be folded. The main crossbar 1 or the main vertical bar 2 is rotatably connected to the right-angle connector 3; a right-angle bed foot 4 is detachably arranged on the right-angle connector 3.

[0053] The main vertical bar 2 in this embodiment includes a first vertical bar 21, a second vertical bar 22 and a vertical bar support 23. A vertical bar leg 231 is fixedly arranged on the vertical bar support 23. The first vertical bar 21 and the second vertical bar 22 are rotatably connected to the vertical bar support 23. The ends of the first vertical bar 21 and the second vertical bar 22 away from the vertical bar support 23 are fixedly connected to the right-angle connector 3. When the main frame is in the unfolded state, the first vertical bar 21, the second vertical bar 22 and the vertical bar leg 231 are perpendicular to each other. When the main frame needs to be folded, the first vertical bar 21 and the second vertical bar 22 can be rotated towards the direction close to the vertical bar leg 231, so that the first vertical bar 21 and the second vertical bar 22 are attached to both sides of the vertical bar leg 231, making the overall length of the main vertical bar 2 half shorter than before.

[0054] The main crossbar 1 in this embodiment includes a first crossbar 11, a second crossbar 12, and a crossbar connecting member 13. The two ends of the crossbar connecting member 13 are respectively rotatably connected to the first crossbar 11 and the second crossbar 12. The ends of the first crossbar 11 and the second crossbar 12 away from the crossbar connecting member 13 are rotatably connected to the right-angle connecting member 3. When the main frame is in the unfolded state, the first crossbar 11 and the second crossbar 12 are in a straight state. When the main frame needs to be folded, the crossbar connecting member 13 can be moved towards the middle bracket, so that the first crossbar 11 and the second crossbar 12 are folded and attached together, shortening the length of the main crossbar 1 by half.

[0055] The middle bracket includes a middle leg 5, a middle vertical rod 6 connected to the main crossbar 1, and a middle crossbar 7 connected to the main vertical rod 2. A plurality of support plate assemblies 8 are provided between the main vertical rod 2 and the middle vertical rod 6.

[0056] There are two middle crossbars 7. When the middle bracket is matched with the main frame, the two middle crossbars 7 are respectively connected to the main vertical rods 2 on both sides.

[0057] In one embodiment, one end of the middle crossbar 7 close to the middle leg 5 is rotatably connected to the middle leg 5 through a pin shaft, so that when the bed frame needs to be folded, the two middle crossbars 7 can also be folded, making the folded bed frame structure more compact; it also saves the connection step between the middle crossbar 7 and the middle leg 5 when assembling the bed frame.

[0058] When the main frame is in the unfolded state, the first vertical rod 21 and the second vertical rod 22 cooperate to form a vertical rod groove 232, and one end of the middle crossbar 7 away from the middle leg 5 is arranged in the vertical rod groove 232. The vertical rod groove 232 can make the end of the middle crossbar 7 just installed in the vertical rod groove 232, and the first vertical rod 21 and the second vertical rod 22 are located on both sides of the middle crossbar 7, playing a role in limiting the middle crossbar 7. Then, the middle crossbar 7 and the vertical rod support 23 are connected by bolts, and the middle crossbar 7 can be stably fixed in the vertical rod groove 232.

[0059] In one embodiment, there are two groups of middle vertical rods 6. The two groups of middle vertical rods 6 are respectively connected to the main crossbars 1 at both ends. Each group of middle vertical rods 6 has two middle vertical rods 6. One end of each group of middle vertical rods 6 is connected to the middle leg 5, and the other end is provided with a middle leg 61 connected to the middle vertical rod 6. In order to improve the stability between the middle vertical rod 6 and the main crossbar 1. The end of each middle vertical rod 6 away from the middle leg 5 is fixedly connected to the main crossbar 1 by bolts.

[0060] A support portion 51 and a connecting side plate 52 perpendicular to the support portion 51 are provided on the middle leg 5. One end of the middle vertical rod 6 away from the main cross bar 1 abuts against the support portion 51, and the middle vertical rod 6 and the connecting side plate 52 are fixedly connected by bolts. The support portion 51 plays a supporting role for the middle vertical rod 6, and the connecting side plate 52 can be fixedly connected to the middle vertical rod 6 by bolts.

[0061] Since there are two sets of middle vertical rods 6, and there are two middle vertical rods 6 in each set, one middle vertical rod 6 on each side of the main vertical rod 2 can correspond to it. Therefore, in this embodiment, a main body installation groove 24 is provided on the side of the main vertical rod 2 facing the middle vertical rod 6, and a middle installation groove 62 is provided on the side of the middle vertical rod 6 facing the main vertical rod 2. Both ends of the support plate assembly 8 are respectively arranged in the middle installation groove 62 and the main body installation groove 24. The support plate assembly 8 is installed through the cooperation with the main body installation groove 24 and the middle installation groove 62, and there is no need to use bolts to fix the support plate assembly 8, which has the characteristic of convenient installation.

[0062] The support plate assembly 8 in this embodiment includes a keel plate 81 and end fasteners 82 arranged at both ends of the keel plate 81. The end fasteners 82 and the keel plate 81 are fixedly connected by rivets. An end card strip 83 that cooperates with the middle installation groove 62 and the main body installation groove 24 is provided on the end fastener 82. A barb portion 831 is provided on the lower end surface of the end card strip 83, and a plurality of spaced elastic pieces 832 are provided on the upper end surface of the end card strip 83. The barb portion can hook on the middle installation groove 62 or the main body installation groove 24, and due to the certain elasticity of the elastic pieces 832, through the action of the elasticity of the elastic pieces 832, the end card strip 83 can be positioned in the middle installation groove 62 or the main body installation groove 24, thereby preventing the support plate assembly 8 from shifting in the middle installation groove 62 or the main body installation groove 24.

[0063] The working principle of this embodiment is as follows: The foldable bed frame in this embodiment has two states, namely the folded state and the unfolded state.

[0064] When in the unfolded state, the two main cross bars 1 and the two main vertical rods 2 are respectively located around the bed frame, and the right-angle connectors 3 are located at the four corners of the bed frame. A bed foot hole 31 facing downward is provided on the right-angle connector 3, and the right-angle bed foot 4 is arranged in the bed foot hole 31; the vertical leg 231 on the two main vertical rods 2 supports at the middle position of the main vertical rod 2, and the middle leg 61 on the two sets of middle vertical rods 6 supports at the middle position of the main cross bar 1. The support portion 51 of the middle bracket supports at the middle position of the bed frame, and both ends of the middle cross bar 7 support on the main vertical rod 2 and the middle leg 5 respectively. Several support plate assemblies 8 are arranged between the main vertical rod 2 and the middle vertical rod 6, and both ends of the support plate assembly 8 are respectively located between the middle installation groove 62 and the main body installation groove 24.

[0065] When the bed frame needs to be folded, first separate the middle vertical rod 6 from the middle main crossbar 1 (as shown in the figure). Figure 2 ), then lift the middle vertical rod 6, and separate one end of the support plate assembly 8 from the middle mounting slot 62. Then separate the middle crossbar 7 from the vertical rod support 23, so that the middle crossbar 7 can rotate around the end close to the middle leg, so that the two middle crossbars 7 are folded. Then remove the support legs, and then rotate the first vertical rod 21 and the second vertical rod 22 on the main vertical rods 2 on both sides in the direction close to the vertical rod support 23, so that the first vertical rod 21 and the second vertical rod 22 fit on both sides of the vertical rod legs 231, so that the main frame is folded to half of its original size; then fold the first crossbar 11 and the second crossbar 12, so that the first crossbar 11 and the second crossbar 12 are folded close together, and the first crossbar 11 and the second crossbar 12 are located between the main vertical rods 2 on both sides, and the folding is completed (such as Figure 6 shown).

[0066] The foldable bed frame in this application comprises two parts: a main frame and an intermediate frame. The main frame is a peripheral frame, while the intermediate frame is arranged within the main frame and cooperates with the main frame to enhance the main frame's support capacity. The main frame is composed of two main cross bars 1 and two main vertical bars 2. The main cross bars 1 and the main vertical bars 2 are connected by corner connectors, giving the main frame an overall rectangular structure. Furthermore, since the main vertical bars 2 and the main cross bars 1 can be folded in half, when the bed frame needs to be folded, the main vertical bars 2 can be folded first, followed by the main cross bars 1, resulting in a smaller folded volume. When assembling the foldable bed frame, the folded main frame can be directly unfolded, the intermediate frame can then be installed within the main frame, and the support plate assembly 8 can be installed between the main vertical bars 2 and the intermediate vertical bars 6 to complete the bed frame assembly. This eliminates the need for assembling the main frame, thereby improving assembly efficiency.

[0067] Example 2: Reference Figures 1 to 8 As shown, a folding bed includes the foldable bed frame of Embodiment 1 or 2. A backrest at one longitudinal end of the main frame has a cabinet hole 32 provided on a right-angle connector 3. In other words, the cabinet hole 32 and the bed foot holes 31 are provided on the upper and lower end surfaces of the right-angle connector 3, respectively. Legs are provided on the backrest and plug into the cabinet holes, connecting the backrest to the main frame.

[0068] In one embodiment, a bedside table backrest 9 is provided at one end in the length direction of the main body frame. The bedside table backrest 9 includes two long legs 91 and two short legs 92. The two short legs 92 are respectively matched with the cabinet holes 32 on the two right-angle connectors 3 on the main body frame. When the short legs 92 are installed in the cabinet holes 32, they are connected by bolts passing through the side walls of the cabinet holes 32 and the short legs 92.

[0069] In one embodiment, a general backrest 10 is provided at one end in the length direction of the main body frame. The general backrest 10 includes backrest legs 101. The two backrest legs 101 are respectively matched with the cabinet holes 32 on the two right-angle connectors 3 on the main body frame.

[0070] The above-described embodiments are only preferred solutions of the present invention, and do not impose any form of limitation on the present invention. There are other variations and modifications without exceeding the technical solutions recorded in the claims.

Claims

1. A foldable bed frame, characterized in that, Comprising: A main body frame and an intermediate support; The main body frame includes two main cross bars arranged at both ends in the length direction and two main vertical bars arranged at both ends in the width direction. The main cross bars and the main vertical bars can be folded in half. The main cross bar or the main vertical bar is rotatably connected to a right-angle connector. A right-angle bed foot is detachably arranged on the right-angle connector; The intermediate support includes an intermediate support foot, an intermediate vertical bar connected to the main cross bar, and an intermediate cross bar connected to the main vertical bar. A plurality of support plate assemblies are arranged between the main vertical bar and the intermediate vertical bar.

2. The foldable bed frame according to claim 1, characterized in that, On one side of the main vertical bar facing the intermediate vertical bar, a main installation groove is provided. On one side of the intermediate vertical bar facing the main vertical bar, an intermediate installation groove is provided. Both ends of the support plate assembly are respectively arranged in the intermediate installation groove and the main installation groove.

3. The foldable bed frame according to claim 2, wherein, The support plate assembly includes a keel plate and end clamping members arranged at both ends of the keel plate. End clamping strips that cooperate with the intermediate installation groove and the main installation groove are arranged on the end clamping members. Hook portions are arranged on the end clamping strips.

4. The foldable bed frame according to any one of claims 1 to 3, characterized in that, The main vertical bar includes a first vertical bar, a second vertical bar, and a vertical bar support member. Vertical bar legs are fixedly arranged on the vertical bar support member. The first vertical bar and the second vertical bar are rotatably connected to the vertical bar support member. When the main body frame is in the unfolded state, the first vertical bar, the second vertical bar, and the vertical bar legs are perpendicular to each other.

5. The foldable bed frame according to claim 4, characterized in that, When the main body frame is in the unfolded state, the first vertical bar and the second vertical bar cooperate to form a vertical bar groove. One end of the intermediate cross bar is rotatably connected to the intermediate support, and the other end of the intermediate cross bar is arranged in the vertical bar groove.

6. The foldable bed frame according to claim 1, wherein, The main cross bar includes a first cross bar, a second cross bar, and a cross bar connecting member. Both ends of the cross bar connecting member are respectively rotatably connected to the first cross bar and the second cross bar.

7. The foldable bed frame according to claim 6, characterized in that, On the intermediate support, a support portion and a connecting side piece perpendicular to the support portion are provided. The end of the intermediate vertical bar away from the main cross bar abuts against the support portion and is fixedly connected to the connecting side piece by bolts.

8. The foldable bed frame according to claim 7, characterized in that, A middle leg is arranged at one end of the intermediate vertical bar away from the intermediate support.

9. The foldable bed frame according to claim 1 or 6 or 7 or 8, characterized in that, There are two groups of intermediate vertical bars. The two groups of intermediate vertical bars are respectively connected to the main cross bars at both ends. Each group is provided with two intermediate vertical bars.

10. A folding bed, characterized in that, Comprising the foldable bed frame according to any one of claims 1 to 9, further including a backrest arranged at one end in the length direction of the main body frame. A cabinet hole is arranged on the right-angle connector. Legs are arranged on the backrest, and the legs are inserted into the cabinet holes.

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